niWLANAnalysis Properties

NI WLAN Analysis Toolkit 18.0 Help

Edition Date: October 2018

Part Number: 373724K-01

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Use the niWLAN Analysis properties to access configuration options for WLAN applications.

Note  When you query a property, the toolkit verifies the WLAN session to ensure that all relevant properties are set and are valid. If the verification fails, the toolkit returns an error.

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Property Description
Active Channel

Specifies the active channel string used to access all subsequent properties in a property node until a new active channel is specified. If the property you want to use is channel specific, you must first select the Active Channel property and then pass the name of the specific channel. If you specify an active channel for a property that is not channel specific, the toolkit returns an error. Details

Standard

Specifies the IEEE 802.11 standard, which indicates the type of physical layer, for signal analysis. Details

Number of Segments

Specifies the number of frequency segments for 802.11ac and 802.11ax signals. Details

Number of Receive Channels

Specifies the number of channels (waveforms) to process during analysis measurements. The number of receive channels must be less than or equal to the number of channels acquired. Use this property to process fewer numbers of waveforms than the acquired waveforms. Details

Channel Bandwidth (Hz)

Specifies the bandwidth of the OFDM signal to be analyzed. The toolkit uses this value to determine the Recommended Sampling Rate property and symbol structure for demodulation purposes. Configure this property only when you set the Standard property to 80211A/G OFDM, 80211J OFDM, 80211P OFDM, 80211N MIMOOFDM, 80211AC MIMOOFDM, 80211AH MIMOOFDM, 80211AF MIMOOFDM, or 80211AX MIMOOFDM. This value is expressed in Hz. Details

Carrier Frequency (Hz)

Specifies the carrier frequency which you configure on the NI-RFSA to acquire a WLAN signal. Set this value equal to the carrier frequency of the transmitting DUT. This value is expressed in Hz. Details

Multi-segment Measurement Mode

Specifies whether to use a single analyzer or two analyzers for each channel of a multi-segment (80+80) MHz 802.11ac, 802.11ax signal for spectral measurements. This property is applicable when you set the Number of Segments property to 2 and the channel bandwidth is 80 MHz. When you set this property to Single Analyzer, you must specify the value of the Carrier Frequency for both the segments. Details

Hardware Settings:Device Instantaneous Bandwidth (Hz)

Specifies the instantaneous bandwidth of the NI-RFSA. This value is expressed in Hz. This property is set according to the device model in the niWLANA RFSA Configure Hardware VI or the niWLANA RFSA Multiple Device Configure Hardware VI. Details

Hardware Settings: Acquisition Length (s)

Specifies the minimum duration of the waveform to be acquired by the NI-RFSA. This value is expressed in seconds. Details

Hardware Settings:Trigger Delay (s)

Specifies the trigger delay The toolkit computes the Recommended Pre-Trigger Delay and Recommended Post-Trigger Delay properties based on the value of the Trigger Delay property. This value is expressed in seconds. Details

Hardware Settings:IQ Power Edge Reference Trigger Enabled

Specifies whether I/Q power-edge reference trigger is for acquisition for the first (master) device when multiple device synchronization is needed. When you set this property to True, the NI-RFSA Sync Ref Trigger Delay Enabled property is set to Disabled in the niWLANA RFSA Configure Multiple Device Synchronization VI. This property is valid only if you use NI 5644R, NI 5645R, NI 5646R RF vector signal analyzers. Details

Hardware Settings:TClk Synchronization Enabled

Specifies whether to enable TClk synchronized acquisition, when the toolkit is configured for multiple NI-RFSAs.

For synchronized acquisition, using the niWLANA RFSA Configure TClk For Homogeneous Triggers VI, the niWLANA RFSA Synchronize TClk VI, and the niTClk Initiate VI, set this property to True.

The toolkit ignores this property if you use the NI 5644R, NI 5645R, or NI 5646R RF vector signal transceiver devices.

For additional information, refer to the NI-TClk Synchronization Help topic in NI RF Vector Signal Analyzers Help. Details

Hardware Settings:LO Sharing Enabled

Specifies whether to enable configuration for sharing of local oscillator (LO) signal for multiple NI-RFSAs or vector signal transceivers.

This toolkit reads this property inside the niWLANA RFSA Configure Multiple Device Synchronization VI. Details

Hardware Settings:LO Frequency Offset Mode

Specifies how the local oscillator (LO) frequency offset is derived to configure frequency on the NI RF vector signal analyzers and the NI RF synthesizers in the niWLANA RFSA Configure Frequency VI. The toolkit ignores this property if you do not use NI 5840 or NI 5646R devices. Details

Hardware Settings:LO Frequency Offset (Hz)

Specifies the LO frequency offset to be used when you set the LO Frequency Offset Mode property to User Defined. This value is expressed in Hz. Details

Hardware Settings:Amplitude Correction Enabled

Specifies whether to enable amplitude correction based on the amplitude correction table. Details

Hardware Settings:Optimize Reference Level for EVM:Enabled

Specifies whether to optimize reference level for the EVM measurement. You must use the niWLANA RFSA Configure Optimal Reference Level for EVM VI to configure the optimal reference level. Details

Hardware Settings:Optimize Reference Level for EVM:Margin

Specifies the value used for adjusting the factor used for computation of the optimal reference level. You must use the niWLANA RFSA Configure Optimal Reference Level for EVM VI to configure the optimal reference level and margin. If you expect the peak power of the input signal to vary from packet to packet, then set this property to the value by which the maximum peak power exceeds the value configured as peak power value by the niWLANA RFSA Configure Optimal Reference Level for EVM VI. Details

Hardware Settings:Noise Compensation:Enabled

Specifies whether to compensate the EVM results measured during the OFDM Demod measurement for inherent instrument noise of the NI vector signal analyzers. You must measure the noise floor before applying the noise compensation. Refer to the Noise Compensation topic for more information on applying noise compensation. Details

Hardware Settings:Noise Compensation:Carrier Frequencies

Specifies an array of carrier frequencies at which the instrument noise floor is measured. The measured instrument noise floor is used to apply noise compensation during the OFDM Demod measurement. Details

Hardware Settings:Noise Compensation:Maximum Channel Bandwidths

Specifies the array of channel bandwidths for which the instrument noise floor is measured. The measured instrument noise floor is used to apply noise compensation during the OFDM Demod measurement. Details

Hardware Settings:Noise Compensation: Minimum Reference Level

Specifies the minimum reference level used to measure the instrument noise floor. The measured instrument noise floor is used to apply noise compensation during the OFDM Demod measurement. Details

Hardware Settings:Noise Compensation:Maximum Reference Level

Specifies the maximum reference level used to measure the instrument noise floor. The measured instrument noise floor is used to apply noise compensation during the OFDM demod measurement. Details

Hardware Settings:Noise Compensation:Reference Level Step Size

Specifies the step size used to compute the reference levels between the minimum and maximum reference levels. The niWLANA RFSA Measure Noise Floor VI measures the instrument noise floor at these reference levels. The measured instrument noise floor is used to apply noise compensation during the OFDM Demod measurement. Details

Hardware Settings:Recommended Settings:Acquisition Type

Returns the toolkit-recommended acquisition type for the current measurement configuration. If you enable any of the spectral measurements properties, the toolkit sets this property to Spectrum. Otherwise, the toolkit sets this property to IQ. For more information about simultaneous I/Q and spectrum measurements refer to the Simultaneous Measurements topic. Details

Hardware Settings:Recommended Settings:Acquisition Length (s)

Returns the toolkit-recommended acquisition length The property is used to configure NI vector signal analyzers for signal acquisition inside the niWLANA RFSA Configure Hardware VI or the niWLANA RFSA Multiple Device Configure Hardware VI. This value is expressed in seconds. Details

Hardware Settings:Recommended Settings:Minimum Quiet Time (s)

Returns the toolkit-recommended minimum quiet time during which the signal level must be below the trigger value for triggering to occur. If you do not use the niWLANA RFSA Configure Hardware VI or the niWLANA RFSA Multiple Device Configure Hardware VI, pass this property to the NI-RFSA Minimum Quiet Time property. This value is expressed in seconds. Details

Hardware Settings:Recommended Settings:Number of Records

Returns the toolkit-recommended number of records to acquire from the NI-RFSA. If you do not use the niWLANA RFSA Configure Hardware VI or the niWLANA RFSA Multiple Device Configure Hardware VI, pass this property to the NI-RFSA Number Of Records property. Details

Hardware Settings:Recommended Settings:IQ:Sampling Rate (S/s)

Returns the toolkit-recommended minimum sample rate for the NI-RFSA. If you do not use the niWLANA RFSA Configure Hardware VI or the niWLANA RFSA Multiple Device Configure Hardware VI, pass this property to the niRFSA Configure IQ Rate VI. This value is expressed in samples per second. Details

Hardware Settings:Recommended Settings:IQ:Pre-Trigger Delay (s)

Returns the toolkit-recommended pretrigger delay. This value is expressed in seconds. If you do not use the niWLANA RFSA Configure Hardware VI or the niWLANA RFSA Multiple Device Configure Hardware VI, multiply this property by the NI-RFSA IQ Rate property, then pass the result to the NI-RFSA Pretrigger Samples property. Details

Hardware Settings:Recommended Settings:IQ:Post-Trigger Delay (s)

Returns the toolkit-recommended post-trigger delay. This value is expressed in seconds. Details

Hardware Settings:Recommended Settings:Spectrum:Span (Hz)

Returns the toolkit-recommended span for spectral acquisition. This value is expressed in Hz. Details

Hardware Settings:Recommended Settings:Spectrum:RBW Definition

Returns the toolkit-recommended RBW type for spectral acquisition. The value of this property is the same as the value of the RBW Definition property. If you do not use the niWLANA RFSA Configure Hardware VI or the niWLANA RFSA Multiple Device Configure Hardware VI, derive the NI-RFSA Resolution Bandwidth Type property from the Recommended RBW Definition property. Details

Hardware Settings:Recommended Settings:Spectrum:RBW (Hz)

Returns the toolkit-recommended RBW for spectral acquisition. This value is expressed in Hz. The value of this property is the same as the value of the RBW property. If you do not use the niWLANA RFSA Configure Hardware VI or the niWLANA RFSA Multiple Device Configure Hardware VI, pass the Recommended RBW property to the NI-RFSA Resolution Bandwidth property. Details

Hardware Settings:Recommended Settings:Spectrum:VBW (Hz)

Returns the toolkit-recommended VBW for spectral acquisition. This value is expressed in Hz. Details

Hardware Settings:Recommended Settings:Spectrum:FFT Window Type

Returns the toolkit-recommended time-domain FFT window type. The value of this property is the same as the value of the FFT Window Type property. If you do not use the niWLANA RFSA Configure Hardware VI or the niWLANA RFSA Multiple Device Configure Hardware VI, pass this property to the NI-RFSA FFT Window Type property. Details

Auto Detection of Standard:Mode

Specifies the mode of operation for auto detection of standard (ADS). Details

Auto Detection of Standard:Detected Standard

Returns the standard, which includes the type of physical layer, detected by the toolkit. Details

Auto Detection of Standard:Detected Channel Bandwidth (Hz)

Returns the channel bandwidth detected by the toolkit. Details

AutoRange:Maximum Acquisition Length (s)

Specifies the maximum duration of the signal to acquire while performing autorange operation using the niWLANA RFSA Auto Range VI. This value is expressed in seconds. Details

AutoRange:Maximum Idle Time (s)

Specifies the maximum expected idle interval between the signal bursts to acquire while performing auto-range using the niWLANA RFSA Auto Range VI. This value is expressed in seconds. Details

AutoRange:Results:Maximum Input Range (dBm or V)

Returns the peak power or the peak-to-peak voltage of the signal burst as calculated by the niWLANA RFSA Auto Range VI. Use this value to set the NI-RFSA Reference Level property or the NI-RFSA IQ In Port Vertical Range property. Details

AutoRange:Results:Acquisition Length (s)

Returns the acquisition length measured by the niWLANA RFSA Auto Range VI. The niWLANA RFSA Auto Range VI measures the length of the burst and returns the recommended acquisition length to use while doing successful measurements. Use this value to set the Acquisition Length property. This value is expressed in seconds. Details

Packet:OFDM:PPDU Type

Specifies the type of physical layer convergence procedure (PLCP) protocol data unit (PPDU) if you set the Standard property to 80211AC MIMOOFDM or 80211AX MIMOOFDM. The toolkit ignores this property if you set the OFDM Demod Header Detection Enabled property to True. Details

Packet:OFDM:RU Size

Specifies the size of the resource unit (RU) in terms of the number of subcarriers for the 802.11ax signal. The RU size is specified for each user when you set the OFDM PPDU Type property to MU PPDU or Trigger-Based PPDU. Details

Packet:OFDM:RU Offset

Specifies the location of the resource unit (RU), in terms of the index of the 26-tone RU, assuming the entire bandwidth is composed of 26-tone RUs in the 802.11ax signal. For example, in the following figure, to specify the 106-tone RU, second from left, you must configure this property to 5. Details

Packet:OFDM:Non-HT Modulation Mode

Specifies whether the format of the incoming OFDM signal is non-high throughput (HT). This property is valid only if you set the Standard property to 80211N MIMOOFDM, 80211AC MIMOOFDM, or 80211AF MIMOOFDM. Details

Packet:OFDM:Number of Users

Specifies the number of users in a multi-user (MU) physical layer convergence procedure (PLCP) protocol data unit (PPDU). This property is applicable only when you set the Standard property to 80211AC MIMOOFDM or 80211AX MIMOOFDM, the OFDM PPDU Type property to MU PPDU, and the OFDM Demod Header Detection Enabled property to False. Details

Packet:OFDM:OFDM Payload Length (bytes)

Specifies the payload length of the expected incoming signal. If you set the OFDM Header Detection Enabled property to False, the toolkit uses the value of the OFDM Payload Length property as the payload length for performing OFDM demodulation measurements. The toolkit ignores the OFDM Payload Length property if you set the Standard property to 80211AC MIMOOFDM, 80211AF MIMOOFDM or 80211AX MIMOOFDM. This value is expressed in bytes. Details

Packet:OFDM:L-SIG Payload Length (bytes)

Specifies the value of the Length field of the L-SIG field. Details

Packet:OFDM:Pre-FEC Padding Factor

Specifies the Pre-FEC padding factor used in 802.11ax Trigger-Based PPDU. The toolkit uses this value for decoding the PSDU bits. Details

Packet:OFDM:Packet Extension Disambiguity

Specifies the disambiguation in number of symbols used in 802.11ax signal. This disambiguation is caused due to the packet extension. The toolkit ignores this property if you set the OFDM Header Detection Enabled property to True for PPDUs other than the Trigger-Based PPDU. Details

Packet:OFDM:OFDM Data Rate (Mbps)

Specifies the payload data rate of the expected incoming signal for channel bandwidths of 5 MHz, 10 MHz, and 20 MHz when you set the Standard property to 80211A/G OFDM, 80211J OFDM, 80211P OFDM, 80211N MIMOOFDM, 80211AC MIMOOFDM, or 80211AF MIMOOFDM, and the OFDM Non-HT Modulation Mode property to ON. If you set the OFDM Header Detection Enabled property to False, the toolkit uses the value of the OFDM Data Rate property as the data rate for performing OFDM demodulation measurements. This value is expressed in Mbps. Details

Packet:OFDM:MCS Index

Specifies the modulation and coding scheme (MCS) index if you set the Standard property to 80211N MIMOOFDM, 80211AC MIMOOFDM, 80211AF MIMOOFDM, or 80211AX MIMOOFDM, and the OFDM Non-HT Modulation Mode property to OFF. Each index represents the modulation and coding used on the payload according to section 20.6 of IEEE Standard 802.11n-2009, section 22.5 of IEEE Standard 802.11ac-2013, section 23.5 of IEEE Standard 802.11af-2013, and section 28.5 of IEEE P802.11ax/D3.0. Details

Packet:OFDM:Dual Carrier Modulation Enabled

Specifies whether the dual carrier modulation (DCM) is applied to the data part of the 802.11ax signals or not. The property can be set to True only when the MCS index is 0, 1, 3 or 4, and the number of spatial streams is 1 or 2. Details

Packet:OFDM:Number of HE-SIG-B Symbols

Specifies the number of HE-SIG-B symbols present in the 802.11ax signal when you set the OFDM PPDU Type property to MU PPDU. Details

Packet:OFDM:FEC Coding Type

Specifies the type of forward error correction (FEC) coding used if you set the OFDM Non-HT Modulation Mode property to OFF, and the Standard property to 80211N MIMOOFDM, 80211AC MIMOOFDM, 80211AF MIMOOFDM, or 80211AX MIMOOFDM as defined in section 20.3.11.3 of the IEEE Standard 802.11n-2009, section 22.3.10.5 of the IEEE Standard 802.11ac-2013, section 23.3.10.5 of the IEEE Standard 802.11af-2013 and section 28.3.11.5 of IEEE P802.11ax/D3.0. Details

Packet:OFDM:LDPC Extra Symbol Used

Specifies the presence of an extra OFDM symbol segment for LDPC in the 802.11ax Trigger-based PPDU. The toolkit uses this value for decoding the PSDU bits. Details

Packet:OFDM:Guard Interval Type

Specifies the type of the guard interval (Cyclic Prefix) in an OFDM symbol. If you set the OFDM Header Detection Enabled property to False, the toolkit uses the Guard Interval Type property for performing OFDM demodulation measurements. Details

Packet:OFDM:HE-LTF Size

Specifies the HE-LTF symbol size in the 802.11ax signals. The following combinations of the HE-LTF symbol size and the Guard Interval property are valid. Details

Packet:OFDM:Midamble Periodicity

Specifies the midamble periodicity in the 802.11ax signal. The toolkit ignores this property if you set the OFDM Header Detection Enabled property to True for all the PPDU types except Trigger-Based PPDU. Details

Packet:OFDM:STBC Index

Specifies the difference between the number of space-time streams and the number of spatial streams, as defined in section 20.3.9.4.3 of the IEEE Standard 802.11n-2009. Details

Packet:OFDM:STBC All Streams Enabled

Specifies whether space-time block coding (STBC) was performed at the transmitter for incoming 802.11ac, 802.11af, or 802.11ax signals. Whenever STBC is done, the number of space-time streams is equal to two times the number of spatial streams. Details

Packet:OFDM:Number of Space Time Streams

Specifies the number of space time streams if you set the Standard property to 80211N MIMOOFDM, 80211AC MIMOOFDM, or 80211AX MIMOOFDM. This property is ignored if you set the Standard property to 80211N MIMOOFDM and the OFDM Combined Signal Demodulation Enabled property to False. Details

Packet:OFDM:Space Time Stream Offset Specifies the per user space time stream offset which is used for 802.11ax Trigger-based PPDU demodulation.

Details

Packet:OFDM:Number of Extension Spatial Streams

Specifies the number of extension spatial streams. If you set the OFDM Header Detection Enabled property to False, the toolkit uses the value of the Number of Extension Spatial Streams property as the number of spatial streams for performing OFDM demodulation measurements. Details

Packet:OFDM:Number of HE-LTF Symbols

Specifies the number of HE-LTF symbols in the 802.11ax signal when the OFDM PPDU Type property is set to Trigger-Based PPDU. Details

Packet:OFDM:MU-MIMO LTF Mode Enabled

Specifies whether LTF sequence corresponding to each space time stream is masked by a distinct orthogonal code. If the Standard property is set to 80211AX MIMOOFDM and OFDM PPDU Type property is set to Trigger-Based PPDU. Details

Packet:OFDM:80211n PLCP Frame Format

Specifies the physical layer convergence procedure (PLCP) frame format used when the 80211n PLCP Frame Detection Enabled property is set to False. The PLCP frame format determines sequence of preambles, header, and payload in a frame. If you set the OFDM Header Detection Enabled property to False, the toolkit uses the value of this 80211N PLCP Frame Format property as the PLCP frame format for performing OFDM demodulation measurements. Details

Packet:OFDM:80211ah Preamble Type

Specifies the packet preamble type when you set the OFDM 80211ah Preamble Detection Enabled property to False. This property is valid only if you set the Standard property to 80211AH MIMOOFDM and the Channel Bandwidth property to 2 MHz, 4 MHz, 8 MHz or 16 MHz. Details

Packet:OFDM:Short Guard Interval B1 Bit

Specifies the Short GI NSYM Disambiguation bit of the VHT-SIG-A2 or TVHT-SIG-A2 header. Details

Packet:OFDM:Aggregation Bit

Specifies the Aggregation bit of the high-throughput signal (HT-SIG) field. Details

Packet:OFDM:80211AC AMPDU Enabled

Specifies whether the incoming 802.11ac packet has a procedure protocol data unit (PPDU) that contains an Aggregated-MAC Protocol Data Unit. Details

Packet:OFDM:Scrambler Seed

Specifies the scrambler seed for combined signal demodulation. To reduce the test time, you must set the scrambler seed while generating a signal from the device under test (DUT). Details

Packet:DSSS:DSSS Payload Length (bytes)

Specifies the payload length of the expected incoming signal. If you set the DSSS Header Detection Enabled property to False, the toolkit uses the value of the DSSS Payload Length property as the payload length for performing DSSS demodulation measurements. This value is expressed in bytes. Details

Packet:DSSS:DSSS Data Rate (Mbps)

Specifies the payload data rate of the expected incoming signal. If you set the DSSS Header Detection Enabled property to False, the toolkit uses the value of the DSSS Data Rate property as the data rate for performing direct sequence spread spectrum (DSSS) demodulation measurements. This value is expressed in Mbps. Details

Spectral Measurements:All Enabled

Specifies whether to enable all spectral measurement properties. Details

Spectral Measurements:Spectral Acquisition:RBW Definition

Specifies the definition of the RBW type. Details

Spectral Measurements:Spectral Acquisition:RBW (Hz)

Specifies the RBW for spectral acquisition. This value is expressed in Hz. Details

Spectral Measurements:Spectral Acquisition:FFT Window Type

Specifies the time-domain window type to use for smoothing the spectrum. Details

Spectral Measurements:Spectral Acquisition:FFT Window Size

Specifies the size of the window used in the FFT computation of the acquired I/Q data spectrum. If you set the Gated Spectrum Enabled property to True or if you use the niWLANA RFSA Configure Hardware VI or the niWLANA RFSA Multiple Device Configure Hardware VI with the Gated Spectrum Enabled property set to False, the toolkit ignores this property. If you configure the NI-RFSA independently or use other hardware, you must specify the correct window size. This value is expressed in samples. Details

Spectral Measurements:Spectral Acquisition:FFT Size

Specifies the FFT length used to compute the acquired I/Q data spectrum. If you set the Gated Spectrum Enabled property to True or use the niWLANA RFSA Configure Hardware VI or the niWLANA RFSA Multiple Device Configure Hardware VI with Gated Spectrum Enabled property set to False, the toolkit ignores this property. If you configure NI-RFSA independently or use other hardware, you must specify the correct FFT length. This value is expressed in samples. Details

Spectral Measurements:Spectral Acquisition:Gated Spectrum:Enabled

Specifies whether to enable gated spectrum acquisition for spectral measurements. Details

Spectral Measurements:Spectral Acquisition:Gated Spectrum:Mode

Specifies the mode for computing gated spectrum.

Note  The default value is RBW if you set the toolkit compatibility version parameter of the niWLANA Open Session VI to a value other than 4.0.0 or 5.0.0.

Details

Spectral Measurements:Spectral Acquisition:Gated Spectrum:Measurement Length (s)

Specifies the gate length to be used for the gated spectrum acquisition. This value is expressed in seconds. Details

Spectral Measurements:Spectral Acquisition:Gated Spectrum:Averaging Type

Specifies the averaging type for gated spectrum measurements. Details

Spectral Measurements:Spectral Mask:Enabled

Specifies whether to enable spectral mask-related measurements. Details

Spectral Measurements:Spectral Mask:Auto Span Enabled

Specifies whether the toolkit automatically calculates the span required for the current configuration of Spectral Mask measurement. If you want to specify the Span property, set the Auto Span Enabled property to False.

Note  The default value is False if you set the toolkit compatibility version parameter of the niWLANA Open Session VI to a value other than 4.0.0 or 5.0.0.

Details

Spectral Measurements:Spectral Mask:Span (Hz)

Specifies the span for spectral acquisition if you set the Spectral Mask Enabled property or Spectral Measurements All Enabled property to True. The toolkit ignores this property if you set the Auto Span Enabled property to True. This value is expressed in Hz. Details

Spectral Measurements:Spectral Mask:Type

Specifies whether the spectral mask is user-defined or standard. Details

Spectral Measurements:Spectral Mask:Transmit Power Class

Specifies the type of transmit power class as specified in Annex D of IEEE Standard 802.11-2012. This property is valid only if you set the Standard property to 80211P OFDM. Details

Spectral Measurements:Spectral Mask:Trace Enabled

Specifies whether to enable the spectral mask trace. Details

Spectral Measurements:Spectral Mask:Number of Averages

Specifies the number of iterations over which the toolkit averages the PSD. Details

Spectral Measurements:Spectral Mask:Reference Level Type

Specifies the type of reference to use for spectral mask measurements. Details

Spectral Measurements:Spectral Mask:Reference Level (dBm/Hz)

Specifies the user-defined reference level that the toolkit uses for spectral mask measurements. Configure this property only if you set the Reference Level Type property to User defined. This value is expressed in dBm/Hz. Details

Spectral Measurements:Spectral Mask:Frequency Offsets (Hz)

Specifies the array of frequency offsets used to define the spectral mask. The toolkit does not assume mask symmetry. Therefore, both positive and negative offsets from the center frequency must be defined in ascending order. Details

Spectral Measurements:Spectral Mask:Power Offsets (dB)

Specifies the array of power offsets used to define the spectral mask. You must specify the offsets from the mask reference power level for each of the frequency offset points. The order of the power offsets in this array corresponds to the order of the frequency offsets that you specify in the Spectral Mask Frequency Offsets property. This value is expressed in dB. Details

Spectral Measurements:Spectral Mask:80+80 Combined Mask Enabled

Specifies whether to combine the spectrums of two 80 MHz 802.11ac or 802.11ax segments into a single transmit spectral mask measurement. Details

Spectral Measurements:OBW:Enabled

Specifies whether to enable OBW measurements. Details

Spectral Measurements:OBW:Number of Averages

Specifies the number of iterations over which the toolkit averages OBW measurements. Details

Spectral Measurements:Max Spectral Density:Enabled

Specifies whether to enable measurement of the maximum spectral density of the acquired power spectrum. This value is expressed in W/MHz. Details

Spectral Measurements:Max Spectral Density:Number of Averages

Specifies the number of iterations over which the toolkit averages the PSD. Details

Spectral Measurements:ACP:Enabled

Specifies whether to enable the ACP measurement. Details

Spectral Measurements:ACP:Number of Averages

Specifies the number of iterations over which the toolkit averages the power spectrum. Details

Spectral Measurements:ACP:Trace Enabled

Specifies whether to enable the ACP trace. Details

Spectral Measurements:ACP:Number of Offsets

Specifies the number of offset channels to be measured on either side of the reference channel. Details

Spectral Measurements:Channel Power:Enabled

Specifies whether to enable the channel power measurement. This measurement computes the power in a specified measurement bandwidth of power spectrum data. Details

Spectral Measurements:Channel Power:Number of Averages

Specifies the number of iterations over which the toolkit averages the PSD. Details

Spectral Measurements:Channel Power:Auto Measurement Bandwidth Enabled

Specifies whether the toolkit needs to set measurement bandwidth equal to channel bandwidth for channel power measurements. If you want to specify the measurement bandwidth, set the Channel Power Auto Measurement Bandwidth Enabled property to False. Details

Spectral Measurements:Channel Power:Measurement Bandwidth (Hz)

Specifies the measurement bandwidth The toolkit ignores this property if you set the Channel Power Auto Measurement Bandwidth Enabled property to True. This value is expressed in Hz. Details

Spectral Measurements:ETSI In Band Emission:Enabled

Specifies whether to enable the European Telecommunications Standards Institute (ETSI) in-band emission (IBE) measurement. This measurement computes the PSD of the 802.11af signal and applies limits to check for unwanted emissions, as specified in ETSI EN 301 598 V1.1.1 (2014-04) by ETSI. Details

Spectral Measurements:ETSI In Band Emission:Number of Averages

Specifies the number of iterations over which the toolkit averages the PSD for European Telecommunications Standards Institute (ETSI) in-band emission measurements. Details

Spectral Measurements:ETSI In Band Emission:Trace Enabled

Specifies whether to enable the European Telecommunications Standards Institute (ETSI), PSD and in-band emission limit traces. Details

Spectral Measurements:ETSI In Band Emission:Number of Offsets

Specifies the number of adjacent channels to be considered for the European Telecommunications Standards Institute (ETSI) in-band emission measurements on either side of the transmission channel. Details

Spectral Measurements:ETSI In Band Emission:DUT Average Output Power (dBm)

Specifies the RF power averaged over the time period of a transmission burst from the device under test (DUT). This value is used to normalize the acquired spectrum data before the PSD computation, as specified in section 5.3.3 of ETSI EN 301 598 V1.1.1 (2014-04). This value is expressed in dBm. Details

Spectral Measurements:ETSI In Band Emission:Transmit Channel PSD Limit (dBm)

Specifies the value that the toolkit uses as the limit on the PSD over any 100 kHz band in the transmitter channel for the European Telecommunications Standards Institute (ETSI) in-band emission measurement, as specified in section 4.2.3 of ETSI EN 301 598 V1.1.1 (2014-04). This value is expressed in dBm. Details

Spectral Measurements:ETSI In Band Emission:Device Emission Class

Specifies the emission class with which the DUT complies. This value defines the adjacent channel leakage ratio (ACLR) limits in the adjacent channels for the European Telecommunications Standards Institute (ETSI) in-band emission measurements, as specified in section 4.2.4.2 of ETSI EN 301 598 V1.1.1 (2014-04). Details

Spectral Measurements:ETSI In Band Emission:Delta ACLR (dB) []

Specifies the array of lower limits on the difference between the adjacent channel leakage ratio (ACLR) limit value and the actual ACLR value for the corresponding transmit channel and the adjacent channel being considered. You must set the values for all the adjacent channels with the starting index for the lowest-frequency channel. The size of this array must be twice the value you specify in the ETSI IBE Number of Offsets property. Details

Spectral Measurements:Results:Maximum Spectral Density (W/MHz)

Returns the maximum total power over any 1 MHz portion of the spectrum. This value is expressed in W/MHz. Details

Spectral Measurements:Results:Spectral Mask:Margin (dB)

Returns the lowest margin which is the minimum difference between the spectral mask and the acquired PSD, as defined in section 17.3.9.2 of IEEE Standard 802.11a-1999, section 18.4.7.3 of IEEE Standard 802.11b-1999, and section 20.3.21.1 of IEEE Standard 802.11n-2009. If the test fails, the spectral mask margin is negative. The toolkit computes the spectral mask margin excluding the reference channel if you set the Spectral Mask Ref Level Type property to Peak signal power. Details

Spectral Measurements:Results:Spectral Mask:Margin Vector

Returns the lowest margin for each linear segment of the spectral emission mask, as defined in section 17.3.9.2 of IEEE Standard 802.11a-1999, section 18.4.7.3 of IEEE Standard 802.11b-1999, and section 20.3.21.1 of IEEE Standard 802.11n-2009. The resulting lowest margin indicates the minimum difference between the acquired PSD spectrum and the spectral mask. Details

Spectral Measurements:Results:Spectral Mask:Margin Frequency Vector (Hz)

Returns the array of frequencies at the lowest margins for each linear segment of the spectral emission mask. Each element of this array corresponds to an element of the Spectral Mask Margin Vector and Spectral Mask Margin Power Spectral Density Vector properties. This value is expressed in Hz. Details

Spectral Measurements:Results:Spectral Mask:Margin Power Spectral Density Vector (dBm/Hz)

Returns the array of power spectral densities, which correspond to the lowest margins for each linear segment of the spectral emission mask. Each element of this array corresponds to an element of the Spectral Mask Margin Vector and Spectral Mask Margin Frequency Vector properties. This value is expressed in dBm/Hz. Details

Spectral Measurements:Results:Spectral Mask:Violation (%)

Returns the ratio of the number of points of the signal PSD that are above the applied spectral emission mask to the total number of points in the signal PSD. This value is expressed as a percentage. Details

Spectral Measurements:Results:Spectral Mask:Reference Level (dBm/Hz)

Returns the reference level, used for spectral mask margin measurements. This value is the maximum of the PSD of the signal if you set the Reference Level Type property to Peak signal power. This value is expressed in dBm/Hz. Details

Spectral Measurements:Results:Spectral Mask:Frequency Offsets (Hz)

Returns the frequency offsets of spectral emission mask used for spectral mask margin measurements. This value is expressed in Hz. Details

Spectral Measurements:Results:Spectral Mask:Power Offsets (dB)

Returns the power offsets of the spectral emission mask used for spectral mask margin measurements. This value is expressed in dB. Details

Spectral Measurements:Results:OBW:Occupied Bandwidth (Hz)

Returns the OBW of the measured signal. The OBW is the frequency range containing 99% of the power of the entire signal spectrum. This value is expressed in Hz. Details

Spectral Measurements:Results:OBW:High Frequency Limit (Hz)

Returns the highest frequency component of the frequency range containing 99% of the entire signal spectrum. This value is expressed in Hz. Details

Spectral Measurements:Results:OBW:Low Frequency Limit (Hz)

Returns the lowest frequency component of the frequency range containing 99% of the entire signal spectrum. This value is expressed in Hz. Details

Spectral Measurements:Results:ACP:Reference Channel Power (dBm)

Returns the reference channel power in the bandwidth specified by the Channel Bandwidth property. This value is expressed in dBm. Details

Spectral Measurements:Results:ACP:Lower Relative Power (dBc)[]

Returns the power in the lower offset channels relative to the power in the reference channel measured over the bandwidth specified by the Channel Bandwidth property. The number of offset channels is specified by the ACP Number of Offsets property. The elements in the array are in the order of increasing frequency separation with respect to the reference channel. This value is expressed in dBc. Details

Spectral Measurements:Results:ACP:Lower Absolute Power (dBm)[]

Returns the power in the lower offset channels measured over the bandwidth specified by the Channel Bandwidth property. The number of offset channels is specified by the ACP Number of Offsets property. The elements in the array are in the order of increasing frequency separation with respect to the reference channel. This value is expressed in dBm. Details

Spectral Measurements:Results:ACP:Upper Relative Power (dBc)[]

Returns the power in the upper offset channels relative to the power in the reference channel measured over the bandwidth specified by the Channel Bandwidth property. The number of offset channels is specified by the ACP Number of Offsets property. The elements in the array are in the order of increasing frequency separation with respect to the reference channel. This value is expressed in dBc. Details

Spectral Measurements:Results:ACP:Upper Absolute Power (dBm)[]

Returns the power in the upper offset channels measured over the bandwidth specified by the Channel Bandwidth property. The number of offset channels is specified by the ACP Number of Offsets property. The elements in the array are in the order of increasing frequency separation with respect to the reference channel. This value is expressed in dBm. Details

Spectral Measurements:Results:Channel Power (dBm)

Returns the channel power over the bandwidth defined by the Channel Power Measurement Bandwidth and Channel Power Auto Measurement Bandwidth Enabled properties. This value is expressed in dBm. Details

Spectral Measurements:Results:ETSI In Band Emission:Margin (dB)

Returns the lowest margin, which is the minimum difference between the in-band emission (IBE) limits and the measured PSD. This property returns a negative value if the test fails. Details

Spectral Measurements:Results:ETSI In Band Emission:Margin Vector (dB) []

Returns the array of the lowest margin which is the minimum difference between the in-band emission limits and the measured PSD, per channel. The European Telecommunications Standards Institute (ETSI) in-band emission (IBE) margin returns a negative value for the corresponding channel, if the test fails for a channel. The elements in the array are in order of increasing frequency with the starting index corresponding to the channel lowest in frequency. The size of this array is 2 * N + 1, where N is the value you specify in the ETSI IBE Number of Offsets property. This value is expressed in dB. Details

Spectral Measurements:Results:ETSI In Band Emission:Margin Frequency Vector (Hz) []

Returns the array of frequencies at which the lowest margin for each channel is observed. The elements in the array correspond one-to-one to the elements in the ETSI IBE Margin Vector property. The size of this array is 2 * N + 1, where N is the value you specify in the ETSI IBE Number of Offsets property. This value is expressed in Hz. Details

Spectral Measurements:Results:ETSI In Band Emission:Violation (%)

Returns the ratio of the number of points of the PSD measurement that are above the applied spectral emission limits to the total number of points in the PSD measurement. This value is expressed as a percentage. Details

Spectral Measurements:Results:ETSI In Band Emission:Delta ACLR Margin Vector (dB) []

Returns the array of the lowest margin which is the minimum difference between the delta adjacent channel leakage ratio (ACLR) limit value and the actual delta ACLR value, per channel. You must specify the delta ACLR limit by configuring the ETSI IBE Delta ACLR property. Actual delta ACLR value is same as the corresponding value of the ETSI IBE Margin Vector property. If the test fails for a channel, the value of the ETSI IBE Delta ACLR Margin Vector property for the corresponding channel is negative. The elements in the array are in order of increasing frequency with the starting index corresponding to the channel lowest in frequency. The size of this array is 2 * N + 1, where N is the value you specify in the ETSI IBE Number of Offsets property. This value is expressed in dB. Details

Spectral Measurements:Results:ETSI In Band Emission:Delta ACLR Margin Frequency Vector (Hz) []

Returns the array of frequencies at the lowest delta ACLR margin for each channel. The elements in the array correspond one-to-one to the elements in the ETSI IBE Delta ACLR Margin Vector property. The size of this array is 2 * N + 1, where N is the value you specify in the ETSI IBE Number of Offsets property. This value is expressed in Hz. Details

TxPower Measurements:Enabled

Specifies whether to enable measurement of peak power and average power in the acquired burst. The toolkit automatically detects the start and end of a valid burst corresponding to a WLAN packet. This value is expressed in dBm. Details

TxPower Measurements:PvT Trace Enabled

Specifies whether to enable the power versus time (PvT) trace. Details

TxPower Measurements:Measurement Length (s)

Specifies the measurement length of the waveform to use for TxPower measurements. This value is expressed in seconds. Details

TxPower Measurements:Number of Averages

Specifies the number of iterations over which the toolkit averages burst power measurements. Details

TxPower Measurements:Mode

Specifies the mode for transmit power computation. Details

TxPower Measurements:Burst Detection Enabled

Specifies whether to enable burst detection when performing TxPower measurements. Details

TxPower Measurements:Results:Peak Power:Average (dBm)

Returns the average peak power of the acquired bursts. Peak power is measured for one burst. Average peak power is the average of peak power values across iterations. This value is expressed in dBm. Details

TxPower Measurements:Results:Peak Power:Minimum (dBm)

Returns the minimum peak power of the acquired bursts. Peak power is measured for one burst. Minimum Peak power is the minimum of peak power values across iterations. This value is expressed in dBm. Details

TxPower Measurements:Results:Peak Power:Maximum (dBm)

Returns the maximum peak power of the acquired bursts. Peak power is measured for one burst. Maximum Peak power is the maximum of peak power values across iterations. This value is expressed in dBm. Details

TxPower Measurements:Results:Peak Power:Standard Deviation (dBm)

Returns the standard deviation of peak power of the acquired bursts. Peak power is measured for one burst. This value is expressed in dBm. Details

TxPower Measurements:Results:Average Power:Average (dBm)

Returns the average across iterations of average power of the acquired burst. This value is expressed in dBm. Details

TxPower Measurements:Results:Average Power:Minimum (dBm)

Returns the minimum across iterations of average power of the acquired burst. This value is expressed in dBm. Details

TxPower Measurements:Results:Average Power:Maximum (dBm)

Returns the minimum across iterations of average power of the acquired burst. This value is expressed in dBm. Details

TxPower Measurements:Results:Average Power:Standard Deviation (dBm)

Returns the standard deviation of average power of the acquired burst. This value is expressed in dBm. Details

TxPower Measurements:Results:Average Power with Idle Time:Average (dBm)

Returns the average across iterations of average power with idle time of the acquired burst. This value is expressed in dBm. Details

TxPower Measurements:Results:Average Power with Idle Time:Minimum (dBm)

Returns the minimum across iterations of average power with idle time of the acquired burst. This value is expressed in dBm. Details

TxPower Measurements:Results:Average Power with Idle Time:Maximum (dBm)

Returns the maximum across iterations of average power with idle time of the acquired burst. This value is expressed in dBm. Details

TxPower Measurements:Results:Average Power with Idle Time:Standard Deviation (dBm)

Returns the standard deviation of average power with idle time of the acquired burst. This value is expressed in dB. Details

CCDF Measurements:CCDF Enabled

Specifies whether to enable power CCDF measurements from a time domain signal. The CCDF curve shows the probability that the signal power will be above the average power level. Details

CCDF Measurements:CCDF Trace Enabled

Specifies whether to enable the CCDF trace. Details

CCDF Measurements:Remove Dead Time

Specifies whether to remove dead time in the input waveform. Details

CCDF Measurements:Measurement Length (s)

Specifies the measurement length of the waveform to be used for CCDF measurements. This value is expressed in seconds. Details

CCDF Measurements:Number of Records

Specifies the number of iterations over which the toolkit averages CCDF measurements. Details

CCDF Measurements:Results:Average Power (dBm)

Returns the average across iterations of average power of the acquired waveform. If you set the CCDF Remove Dead Time property to False, it returns the average power of the entire waveform. If you set the CCDF Remove Dead Time property to True, it returns the average power of the waveform after excluding the dead time (gaps) within the waveform. This value is expressed in dBm. Details

CCDF Measurements:Results:Average Power Percentile (%)

Returns the number of samples for which the instantaneous power is the same as the average power of the signal, as a percentage of the total number of samples, used for CCDF computation. Details

CCDF Measurements:Results:10% Power (dB)

Returns the power above the average power over which 10% of the total samples in the signal are present. This value is expressed in dB. Details

CCDF Measurements:Results:1% Power (dB)

Returns the power above the average power over which 1% of the total samples in the signal are present. This value is expressed in dB. Details

CCDF Measurements:Results:0.1% Power (dB)

Returns the power above the average power over which 0.1% of the total samples in the signal are present. This value is expressed in dB. Details

CCDF Measurements:Results:0.01% Power (dB)

Returns the power above the average power over which 0.01% of the total samples in the signal are present. This value is expressed in dB. Details

CCDF Measurements:Results:0.001% Power (dB)

Returns the power above the average power over which 0.001% of the total samples in the signal are present. This value is expressed in dB. Details

CCDF Measurements:Results:0.0001% Power (dB)

Returns the power above the average power over which 0.0001% of the total samples in the signal are present. This value is expressed in dB. Details

CCDF Measurements:Results:Peak to Average Power Ratio (dB)

Returns the peak-to-average power ratio (PAPR) of the signal. This value is expressed in dB. Details

CCDF Measurements:Results:Resultant Count

Returns the actual number of data samples, used for CCDF measurement. Details

DSSS Power Ramp:Enabled

Specifies whether to enable measurement of the power ramp-up or ramp-down time for 802.11b and 802.11g direct sequence spread spectrum (DSSS) signals. Details

DSSS Power Ramp:Number of Averages

Specifies the number of iterations over which the toolkit averages direct sequence spread spectrum (DSSS) power ramp measurements. Details

DSSS Power Ramp:Measurement Length (s)

Specifies the measurement length of the waveform to be used for DSSS Power Ramp measurement. This value is expressed in seconds. Details

DSSS Power Ramp:Ramp Up:Low Threshold (%)

Specifies the percentage of the maximum windowed burst power at which the power ramp-up in the burst is assumed to start. Details

DSSS Power Ramp:Ramp Up:High Threshold (%)

Specifies the percentage of the maximum windowed burst power at which the power ramp-up in the burst is assumed to end. Details

DSSS Power Ramp:Ramp Down:Low Threshold (%)

Specifies the percentage of the maximum windowed burst power at which the power ramp-down in the burst is assumed to end. Details

DSSS Power Ramp:Ramp Down:High Threshold (%)

Specifies the percentage of the maximum windowed burst power at which the power ramp-down in the burst is assumed to start. Details

DSSS Power Ramp:Results:Ramp Up Time (s)

Returns the measured power ramp-up time. This value is expressed in seconds. Details

DSSS Power Ramp:Results:Ramp Down Time (s)

Returns the measured power ramp-down time. This value is expressed in seconds. Details

OFDM Demod:Enabled

Specifies whether to enable demodulation-based measurements if you set the Standard property to 80211A/G OFDM, 80211J OFDM, 80211P OFDM, 80211G DSSSOFDM, 80211N MIMOOFDM, 80211AC MIMOOFDM, 80211AH MIMOOFDM, 80211AF MIMOOFDM, or 80211AX MIMOOFDM. Details

OFDM Demod:Trace Settings:All Traces Enabled

Specifies whether to enable all traces of OFDM demodulation. Details

OFDM Demod:Trace Settings:EVM per Symbol Trace Enabled

Specifies whether to enable the EVM per symbol trace for signals containing an OFDM payload. Details

OFDM Demod:Trace Settings:EVM per Subcarrier Trace Enabled

Specifies whether to enable the EVM per subcarrier trace for signals containing an OFDM payload. Details

OFDM Demod:Trace Settings:EVM per Symbol per Subcarrier Trace Enabled

Specifies whether to enable the EVM per symbol per subcarrier trace for signals containing an OFDM payload. Details

OFDM Demod:Trace Settings:EVM per Subcarrier per Symbol Trace Enabled

Specifies whether to enable the EVM per subcarrier per symbol trace for signals containing an OFDM payload. Details

OFDM Demod:Trace Settings:Pilot EVM per Symbol Trace Enabled

Specifies whether to enable the EVM per symbol trace of pilot subcarriers for signals containing an OFDM payload. Details

OFDM Demod:Trace Settings:Data EVM per Symbol Trace Enabled

Specifies whether to enable the EVM per symbol trace of data subcarriers for signals containing an OFDM payload. Details

OFDM Demod:Trace Settings:Constellation Trace Enabled

Specifies whether to enable the constellation trace for signals containing an OFDM payload. Details

OFDM Demod:Trace Settings:IQ Gain Imbalance per Subcarrier Trace Enabled

Specifies whether to enable the IQ gain imbalance per subcarrier trace for signals containing an OFDM payload. Details

OFDM Demod:Trace Settings:Quadrature Skew per Subcarrier Trace Enabled

Specifies whether to enable the quadrature skew per subcarrier trace for signals containing an OFDM payload. Details

OFDM Demod:Trace Settings:Reference Constellation Trace Enabled

Specifies whether to enable the reference constellation trace for signals containing an OFDM payload. The reference constellation corresponds to ideal QAM symbols obtained after performing hard-decision on received symbols. Details

OFDM Demod:Trace Settings:Channel Frequency Response Trace Enabled

Specifies whether to enable the channel frequency response trace for signals containing an OFDM payload. Details

OFDM Demod:Trace Settings:Spectral Flatness Trace Enabled

Specifies whether to enable the spectral flatness trace for signals containing an OFDM payload. Details

OFDM Demod:Trace Settings:Unused Tone Error Trace Enabled

Specifies whether to enable the unused tone error trace for 802.11ax signals. This property is valid only for the Trigger-based PPDUs. Details

OFDM Demod:Trace Settings:Group Delay Trace Enabled

Specifies whether to enable the group delay trace for signals containing an OFDM payload. Details

OFDM Demod:Trace Settings:Decoded Bits Trace Enabled

Specifies whether to enable the decoded bits trace for signals containing an OFDM payload. Details

OFDM Demod:Trace Settings:Decoded Header Bits Trace Enabled

Specifies whether to enable the decoded header bits for 802.11a/g, 802.11j, 802.11p, 802.11n, 802.11ac or 802.11ax signals. Details

OFDM Demod:Trace Settings:Preamble Frequency Error Trace Enabled

Specifies whether to enable the preamble frequency error trace for signals containing an OFDM payload. Preamble frequency error computes the variations, across time, of frequency error over the short training field (STF) and long training field (LTF) symbols. Details

OFDM Demod:Trace Settings:Carrier Frequency Offset CCDF Trace Enabled

Specifies whether to enable the carrier frequency offset CCDF trace for 802.11ax Trigger-Based PPDU signals. Details

OFDM Demod:Trace Settings:Common Pilot Error Trace Enabled

Specifies whether to enable the common pilot error trace for signals containing an OFDM payload. Details

OFDM Demod:Trace Settings:Phase Noise PSD Trace Enabled

Specifies whether to enable the phase noise PSD trace for signals containing an OFDM payload.

For computation of this trace, the number of available OFDM symbols must be greater than 2. Details

OFDM Demod:Trace Settings:Service Bits Trace Enabled

Specifies whether to enable the service bits trace. The trace returns decoded bit sequence from the Service field of the signal. Details

OFDM Demod:Trace Settings:Channel Frequency Response Trace Mode

Specifies the mode of display of the channel frequency response trace for signals containing an OFDM payload. Details

OFDM Demod:Trace Settings:Group Delay Trace Mode

Specifies the mode of display of the group delay trace for signals containing an OFDM payload. Details

OFDM Demod:Gated Power:User Defined Gate Power Enabled

Specifies whether to enable power measurement over a user-defined gate. The start and stop time of the user-defined gate can be specified by configuring the OFDM User Defined Gate Start Time and OFDM User Defined Gate Stop Time properties respectively. Details

OFDM Demod:Gated Power:Total Packet Power Enabled

Specifies whether to enable total packet power measurement. Details

OFDM Demod:Gated Power:Preamble and Header Power Enabled

Specifies whether to enable preamble and header power measurements. Details

OFDM Demod:Gated Power:Data Power Enabled

Specifies whether to enable data power measurements. Details

OFDM Demod:Gated Power:User Defined Gate:Start Time (s)

Specifies the start time of the user-defined gate. A value of 0 indicates that the start time is the start of the payload. This value is expressed in seconds. Details

OFDM Demod:Gated Power:User Defined Gate:Stop Time (s)

Specifies the end time of the user-defined gate. A value of 0 indicates that the stop time is the start of the payload. This value is expressed in seconds. Details

OFDM Demod:Number of Averages

Specifies the number of iterations over which the toolkit averages OFDM demodulation-based measurements. Details

OFDM Demod:Combined Signal Demodulation Enabled

Specifies whether to enable demodulation of the signal that is formed by combining signals from multiple transmitter chains. Details

OFDM Demod:Header Detection Enabled

Specifies whether to automatically detect the physical layer convergence procedure (PLCP) header or SIG fields for signals containing an OFDM payload. Details

OFDM Demod:80211n PLCP Frame Detection Enabled

Specifies whether to automatically detect the frame format of the 802.11n burst. If this property is disabled, you must set the frame format using the 80211n PLCP Frame Format property. Details

OFDM Demod:80211ah Preamble Detection Enabled

Specifies whether to enable automatic detection of preamble type of 80211ah burst. If this property is disabled, you must set the 80211ah Preamble Type property when the Channel Bandwidth property is set to to 2MHz, 4MHz, 8MHz or 16MHz. Details

OFDM Demod:Non-HT Modulation Detection Enabled

Specifies whether to automatically detect the non-high throughput (HT) modulated frame. This property is valid only if you set the Standard property to 80211N MIMOOFDM, 80211AC MIMOOFDM, or 80211AF MIMOOFDM. Details

OFDM Demod:Measurement Length (s)

Specifies the measurement length of the waveform to be used for OFDM Demod. The toolkit ignores this property if you set the OFDM Auto Compute Meas Length Enabled property to True. This value is expressed in seconds. Details

OFDM Demod:Measurement Start Location

Specifies the number of OFDM symbols from the beginning of the payload to ignore for EVM computation. Details

OFDM Demod:Maximum Symbols Used

Specifies the maximum number of symbols that the toolkit uses to compute EVM. You must set this property to the correct value to optimize measurement speed. If the number of available payload symbols (n) is greater than the value that you specify (m), the toolkit ignores (n-m) symbols from the end of the packet. Details

OFDM Demod:Auto Compute Measurement Length Enabled

Specifies whether the toolkit automatically computes the measurement length based on the Maximum Symbols Used and Measurement Start Location properties. You can query the value of the automatically computed acquisition length by using the Recommended Acquisition Length property. Details

OFDM Demod:Symbol Timing Adjustment

Specifies the duration by which the toolkit adjusts symbol timing relative to the start of the useful portion of an OFDM symbol. This value is expressed in seconds. The toolkit sets this property to -1 in the niWLANA RFSA Configure Hardware VI or the niWLANA RFSA Multiple Device Configure Hardware VI. The toolkit ignores this property if you set the Standard property to 80211AX MIMOOFDM. Details

OFDM Demod:Carrier Frequency Offset Estimation Method

Specifies the method that the toolkit uses to estimate the carrier frequency offset. Details

OFDM Demod:Common Clock Source Enabled

Specifies whether the transmitter uses a common clock to generate carrier and sample clock frequencies for the OFDM signals. Details

OFDM Demod:Amplitude Tracking Enabled

Specifies whether to enable pilot-based mean amplitude tracking. Details

OFDM Demod:Phase Tracking Method

Specifies the method of phase tracking to use. Phase tracking is useful for tracking the phase variation over the modulation symbol caused by residual frequency offset and phase noise. Details

OFDM Demod:Time Tracking Enabled

Specifies whether to enable compensation for sample clock frequency offset. Details

OFDM Demod:Channel Estimation Method

Specifies the method the toolkit uses to estimate the channel frequency response. Details

OFDM Demod:Channel Frequency Response Interpolation Enabled

Specifies whether to enable the linear interpolation for missing subcarriers in the channel frequency response of 802.11ax signals with HE-LTF size of 1x or 2x. Details

OFDM Demod:Channel Frequency Response Smoothing:Enabled

Specifies whether smoothing of the channel frequency response has to be performed. This property is valid if you set the Standard property to 80211A/G OFDM, 80211J OFDM, 80211P OFDM, 80211N MIMOOFDM, 80211AC MIMOOFDM or 80211AX MIMOOFDM. Details

OFDM Demod:Channel Frequency Response Smoothing:Window Length

Specifies the length of the triangular-weighted moving window, in subcarriers, used for averaging the channel frequency response. This property is valid, if you set the OFDM CFR Smoothing Enabled property to True. Details

The default value is 5. If the bandwidth is fully occupied, valid values are all odd numbers between 1 and half the number of subcarriers in the bandwidth, inclusive. Otherwise, the valid values are all odd numbers between 1 and the size of the smallest resource unit, inclusive. Details

OFDM Demod:IQ Mismatch Signal Model

Specifies the signal model to use for estimation and correction of the I/Q mismatch components - I/Q gain imbalance, quadrature skew, and timing skew. Details

OFDM Demod:Low Pass Filtering Enabled

Specifies whether to use low-pass filtering, to remove out-of-band noise, after acquiring the baseband signal. Details

OFDM Demod:Oversampling Factor

Specifies the oversampling factor to be used to analyze OFDM signals. The oversampling factor determines the size of FFT that is used to convert time-domain samples of each OFDM symbol to corresponding frequency-domain values. Details

OFDM Demod:Burst Start Detection Enabled

Specifies whether to detect the start of a burst for signals containing an OFDM payload. Details

OFDM Demod:Reference Data Constellation Enabled

Specifies whether to use reference data constellation for EVM computation. You can specify the reference data constellation using the niWLANA Set Reference Data Constellation VI. Details

OFDM Demod:Reference Data Constellation Identifier

Identifies the reference files used for combined signal demodulation. The value of this property must be same as the value of the Reference Data Identifier string specified while creating the reference files using the WLAN Analysis Soft Front Panel. Details

OFDM Demod:Unused Tone Error Mask Reference

Specifies the reference used to create the unused tone error mask for the 802.11ax Trigger-based PPDU signals. Details

OFDM Demod:80+80:Filtering Before Synchronization Enabled

Specifies whether to apply a low-pass filter before initial frequency and time synchronization. Details

OFDM Demod:80+80:Segment Index

Specifies the index of the segment to be analyzed in a 80+80 MHz 802.11ax signal. You must set this property when you want to analyze a single segment out of the two segments. Details

OFDM Demod:Measurements Enabled:Channel EVM

Specifies whether to enable computation of the channel EVM.

IEEE standard documents specify that the EVM limits be applied on stream EVM. Therefore if you do not require channel EVM measurement, you must set this property to False to improve measurement speed. The niWLANA Configure Fast EVM VI sets this property to False. This value is expressed in your application.

The property is applicable only when you set the Standard property to 80211N MIMOOFDM, 80211AC MIMOOFDM, 80211AH MIMOOFDM, 80211AF MIMOOFDM, or 80211AX MIMOOFDM. Details

OFDM Demod:Measurements Enabled:Channel Matrix Power

Specifies whether to enable computation of the channel matrix power results, which is the frequency domain power measured from the estimated channel matrix. Details

OFDM Demod:Measurements Enabled:Stream Power

Specifies whether to enable stream power measurement on combined signal. You must set the OFDM Combined Signal Demodulation Enabled property to True to measure stream power. Details

OFDM Demod:Measurements Enabled:Spectral Flatness Margin

Specifies whether to enable computation of the spectral flatness margin measurement. Refer to the OFDM Spectral Flatness Margin topic for more information about spectral flatness margin. Details

OFDM Demod:Measurements Enabled:Unused Tone Error Enabled

Specifies whether to enable the unused tone error measurement for the 802.11ax trigger-based PPDU signals. Details

OFDM Demod:Measurements Enabled:MAC Frame Check Sequence Check

Specifies whether to check for the validity of the signal frame check sequence (FCS). The toolkit calculates FCS over the decoded bits excluding the last 32 bits. The toolkit then compares this value with the FCS value in the received payload, which is represented by the last 32 bits of the payload. Details

OFDM Demod:Measurements Enabled:VHT-SIG-B CRC Check

Specifies whether to check for the validity of the cyclic redundancy check (CRC) of VHT-SIG-B field in 802.11ac signal. The toolkit calculates CRC over the decoded VHT-SIG-B bits and compares this value with the CRC value in the received Service field, which is represented by the last 8 bits of the Service field.

This property is applicable only when you set the Standard property to 80211AC MIMOOFDM. Details

OFDM Demod:IQ Impairments per Subcarrier Enabled

Specifies whether to enable the per subcarrier estimation and compensation of IQ impairments. Details

OFDM Demod:Impairments Estimation Enabled:Carrier Frequency Offset

Specifies whether to estimate carrier frequency offset. Details

OFDM Demod:Impairments Estimation Enabled:Sampling Clock Offset

Specifies whether to estimate sample clock offset. Details

OFDM Demod:Impairments Estimation Enabled:IQ Gain Imbalance

Specifies whether to estimate I/Q gain imbalance. Details

OFDM Demod:Impairments Estimation Enabled:Quadrature Skew

Specifies whether to estimate quadrature skew. Details

OFDM Demod:Impairments Estimation Enabled:Timing Skew

Specifies whether to estimate timing skew. Details

OFDM Demod:Impairments Estimation Enabled:Carrier Frequency Leakage

Specifies whether to estimate carrier frequency leakage (CFL). Details

OFDM Demod:Impairments Estimation Enabled:Common Pilot Error

Specifies whether to estimate common pilot error (CPE). Details

OFDM Demod:Impairments Estimation Enabled:Common Phase Error

Specifies whether to estimate common phase error. Details

OFDM Demod:IQ Impairments Compensation:IQ Gain Imbalance Enabled

Specifies whether to compensate for the value specified using the OFDM IQ Gain Imbalance property when you set the OFDM User Defined IQ Impairments Compensation Enabled property to True or for the estimated value when you set the OFDM IQ Gain Imbalance Estimation Enabled property to True. Details

OFDM Demod:IQ Impairments Compensation:Quadrature Skew Enabled

Specifies whether to compensate for the value specified using the OFDM Quadrature Skew property when you set the OFDM User Defined IQ Impairments Compensation Enabled property to True or the estimated value when you set the OFDM Quadrature Skew Estimation Enabled property to True. Details

OFDM Demod:IQ Impairments Compensation:Timing Skew Enabled

Specifies whether to compensate for the value specified using the OFDM Timing Skew property when you set the OFDM User Defined IQ Impairments Compensation Enabled property to True or the estimated value when you set the OFDM Timing Skew Estimation Enabled property to True. Details

OFDM Demod:IQ Impairments Compensation:User Defined:Enabled

Specifies whether to enable compensation of user defined IQ impairments. If you set this property to False, toolkit compensates for the estimated IQ impairments. Details

OFDM Demod:IQ Impairments Compensation:User Defined:IQ Gain Imbalance (dB)

Specifies the ratio of the mean amplitude of the in-phase (I) signal to the mean amplitude of the quadrature-phase (Q) signal. This value is expressed in dB. The default value is 0. Details

OFDM Demod:IQ Impairments Compensation:User Defined:Quadrature Skew (deg)

Specifies the deviation in angle (degrees) from 90 degrees between the in-phase (I) and quadrature-phase (Q) signals. The default value is 0. Details

OFDM Demod:IQ Impairments Compensation:User Defined:Timing Skew (s)

Specifies the difference between the sampling instants of I and Q streams. This value is expressed in seconds. The default value is 0. Details

OFDM Demod:Results:RMS EVM:Average (dB)

Returns the average across iterations of RMS EVM measurements. This value is expressed in dB. Details

OFDM Demod:Results:RMS EVM:Minimum (dB)

Returns the minimum across iterations of RMS EVM measurements. This value is expressed in dB. Details

OFDM Demod:Results:RMS EVM:Maximum (dB)

Returns the maximum across iterations of RMS EVM measurements. This value is expressed in dB. Details

OFDM Demod:Results:RMS EVM:Standard Deviation (dB)

Returns the standard deviation of RMS EVM measurements. This value is expressed in dB. Details

OFDM Demod:Results:Data RMS EVM:Average (dB)

Returns the average across iterations of RMS EVM measurements of data subcarriers. This value is expressed in dB. Details

OFDM Demod:Results:Data RMS EVM:Minimum (dB)

Returns the minimum across iterations of RMS EVM measurements of data subcarriers. This value is expressed in dB. Details

OFDM Demod:Results:Data RMS EVM:Maximum (dB)

Returns the maximum across iterations of RMS EVM measurements of data subcarriers. This value is expressed in dB. Details

OFDM Demod:Results:Data RMS EVM:Standard Deviation (dB)

Returns the standard deviation of RMS EVM measurements of data subcarriers. This value is expressed in dB. Details

OFDM Demod:Results:Pilot RMS EVM:Average (dB)

Returns the average across iterations of RMS EVM measurements of pilot subcarriers. This value is expressed in dB. Details

OFDM Demod:Results:Pilot RMS EVM:Minimum (dB)

Returns the minimum across iterations of RMS EVM measurements of pilot subcarriers. This value is expressed in dB. Details

OFDM Demod:Results:Pilot RMS EVM:Maximum (dB)

Returns the maximum across iterations of RMS EVM measurements of pilot subcarriers. This value is expressed in dB. Details

OFDM Demod:Results:Pilot RMS EVM:Standard Deviation (dB)

Returns the standard deviation of RMS EVM measurements of pilot subcarriers. This value is expressed in dB. Details

OFDM Demod:Results:Average Gated Power:Average (dBm)

Returns the average across iterations of average gated power The gated power is the average power of the portion of the signal defined by the interval between the Gated Power Start Time and Gated Power Stop Time properties. This value is expressed in dBm. Details

OFDM Demod:Results:Average Gated Power:Minimum (dBm)

Returns the minimum across iterations of average gated power The gated power is the average power of the portion of the signal defined by the interval between the Gated Power Start Time and Gated Power Stop Time properties. This value is expressed in dBm. Details

OFDM Demod:Results:Average Gated Power:Maximum (dBm)

Returns the maximum across iterations of average gated power. This value is expressed in dBm. The gated power is the average power of the portion of the signal defined by the interval between the Gated Power Start Time and Gated Power Stop Time properties. Details

OFDM Demod:Results:Average Gated Power:Standard Deviation (dBm)

Returns the standard deviation of average gated power The gated power is the average power of the portion of the signal defined by the interval between the Gated Power Start Time and Gated Power Stop Time properties. This value is expressed in dBm. Details

OFDM Demod:Results:Channel Matrix Power:Absolute Power:Average (dBm)

Returns the average across iterations of absolute power measurements in the frequency domain. Absolute power is the frequency domain power measured from estimated channel matrix. This value is expressed in dBm. Details

OFDM Demod:Results:Channel Matrix Power:Absolute Power:Minimum (dBm)

Returns the minimum across iterations of absolute power measurements in the frequency domain. Absolute power is the frequency domain power measured from estimated channel matrix. This value is expressed in dBm. Details

OFDM Demod:Results:Channel Matrix Power:Absolute Power:Maximum (dBm)

Returns the maximum across iterations of absolute power measurements in the frequency domain. Absolute power is the frequency domain power measured from estimated channel matrix. This value is expressed in dBm. Details

OFDM Demod:Results:Channel Matrix Power:Absolute Power:Standard Deviation (dBm)

Returns the standard deviation of absolute power measurements in the frequency domain. Absolute power is the frequency domain power measured from estimated channel matrix. This value is expressed in dBm. Details

OFDM Demod:Results:Channel Matrix Power:Cross Power:Average (dB)

Returns the average across iterations of cross power measurements. The cross power for channelx is the contribution of the power from streams other than streamx in channelx. To get the individual contributions of each stream, use the format channelx/streamy for the active channel, where x is not equal to y. This value is expressed in dB. Details

OFDM Demod:Results:Channel Matrix Power:Cross Power:Minimum (dB)

Returns the minimum across iterations of cross power measurements. The cross power for channelx is the contribution of the power from streams other than streamx in channelx. To get the individual contributions of each stream, use the format channelx/streamy for the active channel, where x is not equal to y. This value is expressed in dB. Details

OFDM Demod:Results:Channel Matrix Power:Cross Power:Maximum (dB)

Returns the maximum across iterations of cross power measurements. The cross power for channelx is the contribution of the power from streams other than streamx in channelx. To get the individual contributions of each stream, use the format channelx/streamy for the active channel, where x is not equal to y. This value is expressed in dB. Details

OFDM Demod:Results:Channel Matrix Power:Cross Power:Standard Deviation (dB)

Returns the standard deviation of cross power measurements. The cross power for channelx is the contribution of the power from streams other than streamx in channelx. To get the individual contributions of each stream, use the format channelx/streamy for the active channel, where x is not equal to y. This value is expressed in dB. Details

OFDM Demod:Results:Stream Power:Average (dBm)

Returns average stream power across iterations for combined signal demod. Details

OFDM Demod:Results:Stream Power:Minimum (dBm)

Returns minimum stream power across iterations for combined signal demod. This value is expressed in dBm. Details

OFDM Demod:Results:Stream Power:Maximum (dBm)

Returns maximum stream power across iterations for combined signal demod. This value is expressed in dBm. Details

OFDM Demod:Results:Stream Power:Standard Deviation (dBm)

Returns standard deviation stream power across iterations for combined signal demod. This value is expressed in dBm. Details

OFDM Demod:Results:Spectral Flatness:Margin:Average (dB)

Returns the average across iterations of spectral flatness margin. Spectral flatness margin is the minimum margin of the upper and lower spectral flatness margins. This value is expressed in dB. Details

OFDM Demod:Results:Spectral Flatness:Margin:Minimum (dB)

Returns the minimum across iterations of spectral flatness margin. Spectral flatness margin is the minimum margin of the upper and lower spectral flatness margins. This value is expressed in dB. Details

OFDM Demod:Results:Spectral Flatness:Margin:Maximum (dB)

Returns the maximum across iterations of spectral flatness margin. Spectral flatness margin is the minimum margin of the upper and lower spectral flatness margins. This value is expressed in dB. Details

OFDM Demod:Results:Spectral Flatness:Margin:Standard Deviation (dB)

Returns the standard deviation of spectral flatness margin. Spectral flatness margin is the minimum margin of the upper and lower spectral flatness margins. This value is expressed in dB. Details

OFDM Demod:Results:Spectral Flatness:Margin Subcarrier Index

Returns the index of the subcarrier for which the minimum spectral flatness margin was observed across iterations. Details

OFDM Demod:Results:Unused Tone Error:Margin (dB)

Returns the lowest margin, which is the minimum difference between the unused tone error mask and the measured unused tone error per 26-tone RU. Refer to the OFDM Unused Tone Error Measurement topic for more information about unused tone error margins. Details

OFDM Demod:Results:Unused Tone Error:Margin RU index

Returns the 26-tone RU index for which the lowest unused tone error margin was observed. The lowest unused tone error margin is the minimum difference between unused tone error mask and measured unused tone error per 26-tone RU. Refer to the OFDM Unused Tone Error Measurement topic for more information about unused tone error RU index. Details

OFDM Demod:Results:Unused Tone Error:Margin Vector (dB)[]

Returns the difference between the unused tone error mask and the measured unused tone error per 26-tone RU, averaged across iterations. This value is expressed in dB. The elements in the array correspond to 26-tone RUs assuming the entire bandwidth is composed of 26-tone RUs. For 26-tone RUs corresponding to occupied subcarrier locations, this property returns infinity as the value. Refer to the OFDM Unused Tone Error Measurement topic for more information about unused tone error margin vectors. Details

OFDM Demod:Results:Number of Symbols Used

Returns the number of OFDM symbols used for OFDM Demod measurements. Details

OFDM Demod:Results:Burst Start Time (s)

Returns the absolute time corresponding to the detected start of the analyzed burst. This time is computed with respect to the t0 value of the acquired waveform. This value is expressed in seconds. Details

OFDM Demod:Results:Noise Compensation Applied

Indicates whether the noise compensation is applied to the EVM measured for all receive channels and space-time streams. Details

OFDM Demod:Results:Gated Power:Mean Power:Average (dBm) []

Returns the array of average of the mean power values obtained from the gated power measurements on the acquired burst. The toolkit uses this measurement across specified number of iterations. This value is expressed in dBm. Details

OFDM Demod:Results:Gated Power:Mean Power:Minimum (dBm) []

Returns the array of minimum of the mean power values obtained from gated power measurements on the acquired burst. The toolkit uses this measurement across specified number of iterations. This value is expressed in dBm. Details

OFDM Demod:Results:Gated Power:Mean Power:Maximum (dBm) []

Returns the array of maximum of the mean power values obtained from gated power measurements on the acquired burst. The toolkit uses this measurement across specified number of iterations. This value is expressed in dBm. Details

OFDM Demod:Results:Gated Power:Mean Power:Standard Deviation (dBm) []

Returns the array of standard deviation of the mean power values obtained from gated power measurements on the acquired burst. The toolkit uses this measurement across specified number of iterations. This value is expressed in dBm. Details

OFDM Demod:Results:Gated Power:Peak Power:Average (dBm) []

Returns the array of average of the peak power values obtained from gated power measurements on the acquired burst. The toolkit uses this measurement across specified number of iterations. This value is expressed in dBm. Details

OFDM Demod:Results:Gated Power:Peak Power:Minimum (dBm) []

Returns the array of minimum of the peak power values obtained from gated power measurements on the acquired burst. The toolkit uses this measurement across specified number of iterations. This value is expressed in dBm. Details

OFDM Demod:Results:Gated Power:Peak Power:Maximum (dBm) []

Returns the array of maximum of the peak power values obtained from gated power measurements on the acquired burst. The toolkit uses this measurement across specified number of iterations. This value is expressed in dBm. Details

OFDM Demod:Results:Gated Power:Peak Power:Standard Deviation (dBm) []

Returns the array of standard deviation of the peak power values obtained from gated power measurements on the acquired burst. The toolkit uses this measurement across specified number of iterations. This value is expressed in dBm. Details

OFDM Demod:Results:Impairments:Carrier Frequency Offset:Average (Hz)

Returns the average across iterations of carrier frequency offset estimates of the transmitting device under test (DUT). This value is expressed in Hz.

For example, during acquisition, if you set the I/Q carrier frequency to 2.412 GHz, and the toolkit measures the carrier frequency of the DUT to be 2.4121 GHz, the carrier frequency offset is 100 kHz. This measurement follows section 17.3.9.4 of IEEE Standard 802.11a-1999, section 20.3.21.4 of IEEE Standard 802.11n-2009, section 22.3.18.3 of IEEE Standard 802.11ac-2013, section 24.3.16.3 of IEEE P802.11ah/D1.3, and section 28.3.14.3 and section 28.3.18.3 of IEEE P802.11ax/D3.0. Details

OFDM Demod:Results:Impairments:Carrier Frequency Offset:Minimum (Hz)

Returns the minimum across iterations of carrier frequency offset estimates of the transmitting device under test (DUT). This value is expressed in Hz.

For example, during acquisition, if you set the I/Q carrier frequency to 2.412 GHz, and the toolkit measures the carrier frequency of the DUT to be 2.4121 GHz, the carrier frequency offset is 100 kHz. This measurement follows section 17.3.9.4 of IEEE Standard 802.11a-1999, section 20.3.21.4 of IEEE Standard 802.11n-2009, section 22.3.18.3 of IEEE Standard 802.11ac-2013, section 24.3.16.3 of IEEE P802.11ah/D1.3, and section 28.3.14.3 and section 28.3.18.3 of IEEE P802.11ax/D3.0. Details

OFDM Demod:Results:Impairments:Carrier Frequency Offset:Maximum (Hz)

Returns the maximum across iterations of carrier frequency offset estimates of the transmitting device under test (DUT). This value is expressed in Hz.

For example, during acquisition, if you set the I/Q carrier frequency to 2.412 GHz, and the toolkit measures the carrier frequency of the DUT to be 2.413 GHz, the carrier frequency offset is 1 MHz. This measurement follows section 17.3.9.4 of IEEE Standard 802.11a-1999, section 20.3.21.4 of IEEE Standard 802.11n-2009, section 22.3.18.3 of IEEE Standard 802.11ac-2013, section 24.3.16.3 of IEEE P802.11ah/D1.3, and section 28.3.14.3 and section 28.3.18.3 of IEEE P802.11ax/D3.0. Details

OFDM Demod:Results:Impairments:Carrier Frequency Offset:Standard Deviation (Hz)

Returns the standard deviation of carrier frequency offset estimates of the transmitting device under test (DUT). This value is expressed in Hz.

For example, during acquisition, if you set the I/Q carrier frequency to 2.412 GHz, and the toolkit measures the carrier frequency of the DUT to be 2.421 GHz, the carrier frequency offset is 100 kHz. This measurement follows section 17.3.9.4 of IEEE Standard 802.11a-1999, section 20.3.21.4 of IEEE Standard 802.11n-2009, section 22.3.18.3 of IEEE Standard 802.11ac-2013, section 24.3.16.3 of IEEE Standard P80211ah/D1.3, section 24.3.16.3 of IEEE P802.11ah/D1.3, and section 28.3.14.3 and section 28.3.18.3 of IEEE P802.11ax/D3.0. Details

OFDM Demod:Results:Impairments:Carrier Frequency Offset:CCDF 10% (Hz)

Returns the 10% point of Complementary Cumulative Distribution Function (CCDF) of absolute carrier frequency offsets measured on Trigger-Based PPDUs, across the number of iterations you specify in the OFDM Demod Number of Averages property. This value is expressed in Hz. Details

OFDM Demod:Results:Impairments:Carrier Frequency Leakage:Average (dB)

Returns the average of carrier frequency leakage. Carrier frequency leakage is the ratio of the energy in the DC subcarrier to the total energy of all the subcarriers. This value is expressed in dB. Details

OFDM Demod:Results:Impairments:Carrier Frequency Leakage:Minimum (dB)

Returns the minimum of carrier frequency leakage. Carrier frequency leakage is the ratio of the energy in the DC subcarrier to the total energy of all the subcarriers. This value is expressed in dB. Details

OFDM Demod:Results:Impairments:Carrier Frequency Leakage:Maximum (dB)

Returns the maximum of carrier frequency leakage. Carrier frequency leakage is the ratio of the energy in the DC subcarrier to the total energy of all the subcarriers. This value is expressed in dB. Details

OFDM Demod:Results:Impairments:Carrier Frequency Leakage:Standard Deviation (dB)

Returns the standard deviation of carrier frequency leakage. Carrier frequency leakage is the ratio of the energy in the DC subcarrier to the total energy of all the subcarriers. This value is expressed in dB. Details

OFDM Demod:Results:Impairments:Absolute Carrier Frequency Leakage:Average (dBm)

Returns the average, across iterations, of the absolute carrier frequency leakage. This value is expressed in dBm. The absolute carrier frequency leakage is the power measured in the DC subcarrier. This property is valid only when you set the Standard property to 80211AX MIMOOFDM. Details

OFDM Demod:Results:Impairments:Absolute Carrier Frequency Leakage:Minimum (dBm)

Returns the minimum, across iterations, of the absolute carrier frequency leakage. This value is expressed in dBm. The absolute carrier frequency leakage is the power measured in the DC subcarrier. This property is valid only when you set the Standard property to 80211AX MIMOOFDM. Details

OFDM Demod:Results:Impairments:Absolute Carrier Frequency Leakage:Maximum (dBm)

Returns the maximum, across iterations, of the absolute carrier frequency leakage. This value is expressed in dBm. The absolute carrier frequency leakage is the power measured in the DC subcarrier. This property is valid only when you set the Standard property to 80211AX MIMOOFDM. Details

OFDM Demod:Results:Impairments:Absolute Carrier Frequency Leakage:Standard Deviation (dBm)

Returns the standard deviation, across iterations, of the absolute carrier frequency leakage. This value is expressed in dBm. The absolute carrier frequency leakage is the power measured in the DC subcarrier. This property is valid only when you set the Standard property to 80211AX MIMOOFDM. Details

OFDM Demod:Results:Impairments:Sample Clock Offset:Average (ppm)

Returns the average, across iterations, of the sample clock offset. The sample clock offset is the difference between the sample clocks at the digital-to-analog converter (DAC) of the transmitting device under test (DUT) and the digitizer. This value is expressed in parts per million (ppm). Details

OFDM Demod:Results:Impairments:Sample Clock Offset:Minimum (ppm)

Returns the minimum, across iterations, of sample clock offset. The sample clock offset is the difference between the sample clocks at the digital-to-analog converter (DAC) of the transmitting device under test (DUT) and the digitizer. This value is expressed in parts per million (ppm). Details

OFDM Demod:Results:Impairments:Sample Clock Offset:Maximum (ppm)

Returns the maximum, across iterations, of sample clock offset. The sample clock offset is the difference between the sample clocks at the digital-to-analog converter (DAC) of the transmitting device under test (DUT) and the digitizer. This value is expressed in parts per million (ppm). Details

OFDM Demod:Results:Impairments:Sample Clock Offset:Standard Deviation (ppm)

Returns the standard deviation of the sample clock offset. The sample clock offset is the difference between the sample clocks at the digital-to-analog converter (DAC) of the transmitting device under test (DUT) and the digitizer. This value is expressed in parts per million (ppm). Details

OFDM Demod:Results:Impairments:IQ Gain Imbalance:Average (dB)

Returns the average across iterations of I/Q gain imbalance. I/Q gain imbalance is the ratio of the mean amplitude of the in-phase (I) signal to the mean amplitude of the quadrature-phase (Q) signal. This value is expressed in dB. Details

OFDM Demod:Results:Impairments:IQ Gain Imbalance:Minimum (dB)

Returns the minimum across iterations of I/Q gain imbalance. I/Q gain imbalance is the ratio of the mean amplitude of the in-phase (I) signal to the mean amplitude of the quadrature-phase (Q) signal. This value is expressed in dB. Details

OFDM Demod:Results:Impairments:IQ Gain Imbalance:Maximum (dB)

Returns the maximum across iterations of I/Q gain imbalance. I/Q gain imbalance is the ratio of the mean amplitude of the in-phase (I) signal to the mean amplitude of the quadrature-phase (Q) signal. This value is expressed in dB. Details

OFDM Demod:Results:Impairments:IQ Gain Imbalance:Standard Deviation (dB)

Returns the standard deviation of I/Q gain imbalance. I/Q gain imbalance is the ratio of the mean amplitude of the in-phase (I) signal to the mean amplitude of the quadrature-phase (Q) signal. This value is expressed in dB. Details

OFDM Demod:Results:Impairments:Quadrature Skew:Average (deg)

Returns the average across iterations of quadrature skew. Quadrature skew is the deviation in angle from 90 degrees between the in-phase (I) and quadrature-phase (Q) signals. This value is expressed in degrees. Details

OFDM Demod:Results:Impairments:Quadrature Skew:Minimum (deg)

Returns the minimum across iterations of quadrature skew. Quadrature skew is the deviation in angle from 90 degrees between the in-phase (I) and quadrature-phase (Q) signals. This value is expressed in degrees. Details

OFDM Demod:Results:Impairments:Quadrature Skew:Maximum (deg)

Returns the maximum across iterations of quadrature skew. Quadrature skew is the deviation in angle from 90 degrees between the in-phase (I) and quadrature-phase (Q) signals. This value is expressed in degrees. Details

OFDM Demod:Results:Impairments:Quadrature Skew:Standard Deviation (deg)

Returns the standard deviation of quadrature skew. Quadrature skew is the deviation in angle from 90 degrees between the in-phase (I) and quadrature-phase (Q) signals. This value is expressed in degrees. Details

OFDM Demod:Results:Impairments:Timing Skew:Average (s)

Returns the average, across iterations, of the timing skew. Timing skew is the difference between the sampling instants of in-phase (I) and quadrature (Q) components of the complex baseband signal. This value is expressed in seconds. Details

OFDM Demod:Results:Impairments:Timing Skew:Minimum (s)

Returns the minimum, across iterations, of the timing skew. Timing skew is the difference between the sampling instants of in-phase (I) and quadrature (Q) components of the complex baseband signal. This value is expressed in seconds. Details

OFDM Demod:Results:Impairments:Timing Skew:Maximum (s)

Returns the maximum, across iterations, of the timing skew. Timing skew is the difference between the sampling instants of in-phase (I) and quadrature (Q) components of the complex baseband signal. This value is expressed in seconds. Details

OFDM Demod:Results:Impairments:Timing Skew:Standard Deviation (s)

Returns the standard deviation of the timing skew. Timing skew is the difference between the sampling instants of in-phase (I) and quadrature (Q) components of the complex baseband signal. This value is expressed in seconds. Details

OFDM Demod:Results:Impairments:Common Pilot Error RMS:Average (%)

Returns the average across iterations of common pilot error (CPE) RMS measurements, as a percentage of ideal pilot subcarrier values. Details

OFDM Demod:Results:Impairments:Common Pilot Error RMS:Minimum (%)

Returns the minimum across iterations of common pilot error (CPE) RMS measurements, as a percentage of ideal pilot subcarrier values. Details

OFDM Demod:Results:Impairments:Common Pilot Error RMS:Maximum (%)

Returns the maximum across iterations of common pilot error (CPE) RMS measurements, as a percentage of ideal pilot subcarrier values. Details

OFDM Demod:Results:Impairments:Common Pilot Error RMS:Standard Deviation (%)

Returns the standard deviation of common pilot error (CPE) RMS measurements, as a percentage of ideal pilot subcarrier values. Details

OFDM Demod:Results:Impairments:Common Phase Error:Average (deg)

Returns the average across iterations of RMS phase error measurement. This value is expressed in degrees. Details

OFDM Demod:Results:Impairments:Common Phase Error:Minimum (deg)

Returns the minimum across iterations of RMS phase error measurement. This value is expressed in degrees. Details

OFDM Demod:Results:Impairments:Common Phase Error:Maximum (deg)

Returns the maximum across iterations of RMS phase error measurement. This value is expressed in degrees. Details

OFDM Demod:Results:Impairments:Common Phase Error:Standard Deviation (deg)

Returns the standard deviation across iterations of RMS phase error measurement. This value is expressed in degrees. Details

OFDM Demod:Results:Header:Payload Length (bytes)

Returns the length of the physical-layer payload If you set the OFDM Header Detection Enabled property to True, the toolkit extracts the payload length from the demodulated SIGNAL field or HT SIGNAL field, VHT-SIG-B field or TVHT-SIG-B of the frame, if you set the Standard property to 80211A/G OFDM, 80211J OFDM, 80211P OFDM (section 17.3.4 of IEEE Standard 802.11a-1999) or 80211N MIMOOFDM (section 20.3.9.4.3 of IEEE Standard 802.11n-2009), 80211AC MIMOOFDM (section 22.3.8.3.6 of IEEE Standard 80211ac-2013) respectively, or 80211AF MIMOOFDM (section 23.3.8.3.6 of IEEE Standard 80211af-2013). This value is expressed in bytes.

If you set the Standard property to 80211AH MIMOOFDM and the OFDM Header Detection Enabled property to True, the toolkit derives the payload length from the S1G-SIG/SIG-A field of the frame.

If you set the Standard property to 80211AX MIMOOFDM and the OFDM Header Detection Enabled property to True, the toolkit derives the payload length from the decoded data bits.

If you set the OFDM Header Detection Enabled property to False, the value you specify in the OFDM Payload Length property specifies the payload length. The toolkit returns a value of -1 if it encounters various data lengths during the averaging process. Details

OFDM Demod:Results:Header:L-SIG Payload Length

Returns the value of the Length field as decoded from the L-SIG field. If you set the OFDM Header Detection Enabled property to False, the value you specify in the OFDM L-SIG Payload Length (bytes) property specifies the L-SIG payload length.

Details

OFDM Demod:Results:Header:S1G SIG Length

Returns the value of the Length field as decoded from SIG/SIG-A field in 802.11ah signals. Details

OFDM Demod:Results:Header:PSDU Length

Returns the length of the Physical Layer Convergence Procedure (PLCP) Service Data Unit (PSDU). This value is expressed in bytes. Details

OFDM Demod:Results:Header:Pre-FEC Padding Factor

Returns the pre-FEC padding factor value decoded from the HE-SIG-A field of the 802.11ax signal. Details

OFDM Demod:Results:Header:Packet Extension Disambiguity

Returns the PE-disambiguity bit value decoded from the HE-SIG-A field of the 802.11ax signal. Details

OFDM Demod:Results:Header:Data Rate (Mbps)

Returns the data rate used to transmit the SERVICE field and the physical layer convergence procedure protocol data unit (PPDU). If you set the Header Detection Enabled property to True, the data rate is extracted from the demodulated SIGNAL field of the frame. The SIGNAL field is defined in section 17.3.4 of IEEE Standard 802.11-2007. This value is expressed in Mbps.

If you set the OFDM Header Detection Enabled property to False, the value you specify in the OFDM Data Rate property specifies the data rate. Details

OFDM Demod:Results:Header:STA-ID

Returns the STA-ID of the user, detected by decoding the HE-SIG-B field of 802.11ax signal. The STA-ID is 11 LSBs of the association ID (AID). Details

OFDM Demod:Results:Header:MCS Index

Returns the detected modulation and coding scheme (MCS) index, which determines the modulation and coding scheme used. For 802.11n signals, the toolkit detects the MCS index from the high-throughput SIGNAL (HT-SIG) field, which is defined in sections 20.3.9.4.3 and 20.6 of the IEEE Standard 802.11n-2009. For 802.11ac signals, the toolkit detects the MCS index from the VHT-SIG-A field for a packet of SU PPDU format, and from the VHT-SIG-B field for a packet of MU PPDU format. For 802.11ah signals, the toolkit detects the MCS index from the S1G-SIG/SIG-A. For 80211af signals, the toolkit detects the MCS Index from the TVHT-SIG-A. Details

OFDM Demod:Results:Header:Dual Carrier Modulation Enabled

Returns the detected value of the DCM field by decoding the HE-SIG-A or HE-SIG-B fields of the 802.11ax signal. Details

OFDM Demod:Results:Header:HE-SIG-B MCS Index

Returns the detected HE-SIG-B MCS index value by decoding the HE-SIG-A value of the 802.11ax signal. Details

OFDM Demod:Results:Header:HE-SIG-B Dual Carrier Modulation Enabled

Returns the detected HE-SIG-B DCM value by decoding the HE-SIG-A value of the 802.11ax signal. Details

OFDM Demod:Results:Header:Number of HE-SIG-B Symbols

Returns the detected value of the HE-SIG-B number of symbols by decoding the HE-SIG-A value of the 802.11ax signal. Details

OFDM Demod:Results:Header:RU Size

Returns the size of the resource unit (RU) for each user in the 802.11ax signal. For MU PPDU, this value is derived from the RU allocation field of HE-SIG-B. For Trigger-Based PPDU, this value is automatically detected if the autodetection of RU is enabled. You must set the RU Size property to Auto or the RU Offset property to -1 to enable the autodetection of RU. For Extended Range SU PPDU, this value is derived from the Bandwidth field of HE-SIG-A. Details

OFDM Demod:Results:Header:RU Offset

Returns the location of the resource unit (RU), in terms of the index of a 26-tone RU, assuming the entire bandwidth is composed of 26-tone RUs in the 802.11ax signal. For MU PPDU, this property value is derived from the RU allocation field of HE-SIG-B. For Trigger-Based PPDU, this property value is automatically detected if the autodetection of RU is enabled. You must set the RU Size property to Auto or the RU Offset property to -1 to enable the autodetection of RU. Details

OFDM Demod:Results:Header:FEC Coding Type

Returns the type of forward error correction (FEC) coding detected from the high-throughput SIGNAL (HT-SIG) field, for 802.11n signals, as defined in section 20.3.9.4.3 of the IEEE Standard 802.11n-2009. For 802.11ac signals, it is detected from the VHT-SIG-A field. For 802.11ah signals, it is detected from the S1G-SIG/SIG-A field. For 80211af signals it is detected from TVHT-SIG-A field. Details

OFDM Demod:Results:Header:LDPC Extra OFDM Symbol

Returns the value of the LDPC Extra OFDM Symbol field as decoded from the VHT-SIG-A field of the 802.11ac signal or from the TVHT-SIG-A field of the 802.11af signal. Details

OFDM Demod:Results:Header:Guard Interval (s)

Returns the guard interval detected from the high-throughput SIGNAL (HT-SIG) field, for 802.11n signals, as defined in section 20.3.9.4.3 of the IEEE Standard 802.11n-2009. For 802.11ac signals, the guard interval is detected from the VHT-SIG-A field. For 802.11ah signals, the guard interval is detected from S1G-SIG/SIG-A field. For 80211af signals it is detected from TVHT-SIG-A field. For 802.11ax signals, the toolkit detects the guard interval from the HE-SIG-A field. This value is expressed in seconds. Details

OFDM Demod:Results:Header:Guard Interval Type

Returns the type of the guard interval (cyclic prefix) in an OFDM Symbol as detected from the HT-SIG field for 802.11n signals, VHT-SIG-A field for 802.11ac signals, S1G-SIG/SIG-A field for 802.11ah signals, TVHT-SIG-A field for 802.11af signals, and HE-SIG-A field for 802.11ax signals. Details

OFDM Demod:Results:Header:HE-LTF Size

Returns the HE-LTF size in the 802.11ax signals. This value is decoded from the HE-SIG-A field. Details

OFDM Demod:Results:Header:Midamble Periodicity

Returns the midamble periodicity in the 802.11ax signal. This value is decoded from the HE-SIG-A field. Details

OFDM Demod:Results:Header:Aggregation

Returns the value of the Aggregation field as decoded from the high-throughput signal (HT-SIG) field of 802.11n signal and S1G-SIG/SIG-A field of 802.11ah signal. If you set the OFDM Header Detection Enabled property to False, the value you specify in the Aggregation Bit property specifies the aggregation bit of the high-throughput signal (HT-SIG) field. Details

OFDM Demod:Results:Header:Not Sounding Bit

Returns the Not Sounding bit detected from the high-throughput SIGNAL (HT-SIG) field, of 802.11n signal, as defined in section 20.3.9.4.3 of the IEEE Standard 802.11n-2009. Details

OFDM Demod:Results:Header:STBC Index

Returns the value of space-time block coding (STBC) field detected from the high-throughput SIGNAL (HT-SIG) field, of 802.11n signal, as defined in section 20.3.9.4.3 of the IEEE Standard 802.11n-2009. If you set the OFDM Header Detection Enabled property to False, the value you specify in the STBC Index property specifies the STBC index. Details

OFDM Demod:Results:Header:STBC All Streams Enabled

Returns the value of the space-time block coding (STBC) field, as decoded from the VHT-SIG-A field of 802.11ac signal, S1G-SIG/SIG-A field of 802.11ah signal, TVHT-SIG-A field of 802.11af signals and HE-SIG-A field of 802.11ax signals. If you set the OFDM Header Detection Enabled property to False, the value you specify in this property specifies whether to perform STBC. Details

OFDM Demod:Results:Header:Space Time Stream Offset

Returns the index of the first space-time stream of the user in the 802.11ax signal. This value is derived from the spatial configuration field of the HE-SIG-B field. Details

OFDM Demod:Results:Header:Number of Space Time Streams

Returns the number of space-time streams for an 802.11ac, 802.11ah, or an 802.11ax signal. When you set the Standard property to 80211N MIMOOFDM, this value is derived from the MCS Index value decoded from the HT-SIG field. When you set the Standard property to 80211AC MIMOOFDM, for a packet of SU PPDU format, this value is derived by adding 1 to the value of SU NSTS field, as decoded from the VHT-SIG-A field and for a packet with MU PPDU format, the value of number of space-time streams is decoded for each user from the respective MU NSTS field (MU[0] NSTS, MU[1] NSTS, MU[2] NSTS or MU[3] NSTS) within the VHT-SIG-A field. When you set the Standard property to 80211AH MIMOOFDM, this value is decoded from the S1G-SIG/SIG-A field. When you set the Standard property to 80211AF MIMOOFDM, this value is decoded from TVHT-SIG-A field. Details

OFDM Demod:Results:Header:Number of Extension Spatial Streams

Returns the number of extension spatial streams detected from the high-throughput SIGNAL (HT-SIG) field as defined in section 20.3.9.4.3 of the IEEE Standard 802.11n-2009. If you set the OFDM Header Detection Enabled property to False, the value you specify in the Number of Extension Spatial Streams property specifies the number of extension spatial streams. Details

OFDM Demod:Results:Header:Transmission Mode

Indicates whether the transmission mode of 802.11ax or 802.11ah signal is uplink or downlink. This value is decoded from DL/UL field of HE-SIG-A in the case of 802.11ax, and from the uplink indication field of S1G SIG in the case of 802.11ah signal. Details

OFDM Demod:Results:Header:Header Parity Passed

Indicates whether the parity check has passed for the SIGNAL field of the OFDM waveforms conforming to the IEEE Standard 802.11-2007, the non-HT SIGNAL (L-SIG) field of the MIMO OFDM waveforms conforming to the IEEE Standard 802.11n-2009, the non-VHT SIGNAL (L-SIG) field of the MIMO OFDM waveforms conforming to the IEEE Standard 802.11ac-2013, the non-TVHT SIGNAL (L-SIG) field of the MIMO OFDM waveforms conforming to the IEEE Standard 802.11af-2013, or the non-HE SIGNAL (L-SIG) field of the MIMO OFDM waveforms conforming to the IEEE P802.11ax/D3.0 standard. Details

OFDM Demod:Results:Header:HT SIG CRC Passed

Indicates whether the cyclic redundancy check (CRC) has passed for the high-throughput SIGNAL (HT-SIG) field as defined in section 20.3.9.4.3 of the IEEE Standard 802.11n-2009. Details

OFDM Demod:Results:Header:S1GSIG CRC Passed

Indicates whether the cyclic redundancy check (CRC) has passed for the S1G-SIG/SIG-A field. Details

OFDM Demod:Results:Header:VHT-SIG-A CRC Passed

Indicates whether the cyclic redundancy check (CRC) has passed for the VHT-SIG-A field. Details

OFDM Demod:Results:Header:VHT-SIG-B CRC Passed

Indicates whether the cyclic redundancy check (CRC) has passed for the VHT-SIG-B field. For a packet of MU PPDU format, the value is the result of logical AND operation on VHT-SIG-B CRC checks of all users. Details

OFDM Demod:Results:Header:TVHT-SIG-A CRC Passed

Indicates whether the cyclic redundancy check (CRC) has passed for the TVHT-SIG-A field of the 802.11af signal. Details

OFDM Demod:Results:Header:HE-SIG-A CRC Passed

Indicates whether the cyclic redundancy check (CRC) has passed for the HE-SIG-A field. Details

OFDM Demod:Results:Header: HE-SIG-B CRC Passed

Indicates whether the cyclic redundancy check (CRC) has passed for the HE-SIG-B field. This value is the result of a logical AND operation on all CRC pass checks in HE-SIG-B field. Details

OFDM Demod:Results:Header:TVHT Mode

Returns the format of the received signal. This property is valid only if you set the Standard property to 80211AF MIMOOFDM. Details

OFDM Demod:Results:Header:DSSSOFDM Header CRC Passed

Indicates whether the cyclic redundancy check (CRC) has passed for the DSSS-OFDM physical layer convergence procedure (PLCP) header field, as defined in section 19.3.2 of the IEEE Standard 802.11-2007. Details

OFDM Demod:Results:Header:Effective Data Rate (Mbps)

Returns the data rate of 80211A/G OFDM, 80211J OFDM, 80211P OFDM signals after incorporating the channel bandwidth. A lower bandwidth, for example 10 MHz, uses a lower clocking scheme and reduces the data rate. This value is expressed in Mbps. Details

OFDM Demod:Results:Header:Short Guard Interval B1 Bit

Returns the value of the Short GI NSYM Disambiguation field as decoded from the VHT-SIG-A field. If you set the OFDM Header Detection Enabled property to False, the value you specify in the Short Guard Interval B1 Bit property specifies the Short GI NSYM Disambiguation bit of the VHT-SIG-A2 header. Details

OFDM Demod:Results:Packet:80211n PLCP Frame Format

Returns the 802.11n physical layer convergence procedure (PLCP) frame format. If you set the OFDM Header Detection Enabled property to False, the value you specify in the 80211n PLCP Frame Format property specifies the PLCP frame format used. Details

OFDM Demod:Results:Packet:80211ah Preamble Type

Returns the preamble type of packet when you set the OFDM 80211ah Preamble Detection Enabled property to True. Details

OFDM Demod:Results:Packet:Non-HT Modulation Mode

Returns the non-high throughput (HT) modulation mode of the frame. This property is valid only if you set the Standard property to 80211N MIMOOFDM, 80211AC MIMOOFDM, or 80211AF MIMOOFDM. Details

OFDM Demod:Results:Packet:PPDU Type

Returns the type of physical layer convergence procedure (PLCP) protocol data unit (PPDU) if you set the Standard property to 80211AC MIMOOFDM or 80211AX MIMOOFDM. If you set the OFDM Header Detection Enabled property to False, the value you specify in the OFDM PPDU Type property specifies the PPDU type used. Details

OFDM Demod:Results:Packet:Number of Users

Indicates the number of users in a multi-user (MU) physical layer convergence procedure (PLCP) protocol data unit (PPDU). This property is applicable only when you set the Standard property to 80211AC MIMOOFDM or 80211AX MIMOOFDM. If you set the OFDM Header Detection Enabled property to False, the value you specify in the OFDM Number of Users is used. Details

OFDM Demod:Results:Packet:MAC Frame Check Sequence Passed

Indicates whether the frame check sequence (FCS) of the received decoded medium access control (MAC) protocol data unit (MPDU) has passed. The toolkit calculates the checksum over the decoded bits, excluding the last 32 bits. The toolkit then compares this value with the checksum value in the received payload, which is represented by the last 32 bits of the MPDU. Details

OFDM Demod:Results:Packet:Scrambler Seed

Returns the detected initial state of the scrambler, which is used to scramble the data bits in the device under test (DUT). The toolkit uses the same seed to descramble the received bit-sequence. Details

OFDM Demod:Results:Packet:Packet Extension Duration (s)

Returns the duration of packet extension field of the 802.11ax signal. This value is expressed in seconds. This value is derived from the contents of the L-SIG and HE-SIG-A fields when you set the OFDM Header Detection Enabled property to True. Details

DSSS Demod:Enabled

Specifies whether to enable demodulation-based measurements if you set the Standard property to 80211B/G DSSS. Details

DSSS Demod:Enable Traces:All Enabled

Specifies whether to enable all traces of direct sequence spread spectrum (DSSS) demodulation. Details

DSSS Demod:Enable Traces:EVM per Chip Trace Enabled

Specifies whether to enable the EVM per chip trace for 802.11b and 802.11g direct sequence spread spectrum (DSSS) signals. Details

DSSS Demod:Enable Traces:Constellation Trace Enabled

Specifies whether to enable the constellation trace for the payload portion of IEEE 802.11b or 802.11g direct sequence spread spectrum (DSSS) signals. Details

DSSS Demod:Enable Traces:Decoded Bits Trace Enabled

Specifies whether to enable the decoded bits trace for the payload portion of the IEEE 802.11b or 802.11g direct sequence spread spectrum (DSSS) signals. Details

DSSS Demod:Gated Power:User Defined Gate Power Enabled

Specifies whether to enable power measurement over a user-defined gate. The start and stop time of the user-defined gate can be specified by configuring the DSSS User Defined Gate Start Time and DSSS User Defined Gate Stop Time properties respectively. Details

DSSS Demod:Gated Power:Total Packet Power Enabled

Specifies whether to enable total packet power measurements. Details

DSSS Demod:Gated Power:Preamble and Header Power Enabled

Specifies whether to enable preamble and header power measurements. Details

DSSS Demod:Gated Power:Data Power Enabled

Specifies whether to enable data power measurements. Details

DSSS Demod:Gated Power:User Defined Gate:Start Time (s)

Specifies the start time of the user-defined gate. A value of 0 indicates that the start time is the start of the payload. This value is expressed in seconds. Details

DSSS Demod:Gated Power:User Defined Gate:Stop Time (s)

Specifies the end time of the user-defined gate. A value of 0 indicates that the stop time is the start of the payload. This value is expressed in seconds. Details

DSSS Demod:Number of Averages

Specifies the number of iterations over which the toolkit averages direct sequence spread spectrum (DSSS) demodulation-based measurements. Details

DSSS Demod:Header Detection Enabled

Specifies whether to automatically detect the physical layer convergence procedure (PLCP) header. Details

DSSS Demod:MAC Frame Check Sequence Check Enabled

Specifies whether to check for the validity of the signal frame check sequence (FCS). The toolkit calculates the FCS over the decoded bits, excluding the last 32 bits. The toolkit then compares this value with the FCS value in the received payload, which is represented by the last 32 bits of the payload. Details

DSSS Demod:Measurement Length (s)

Specifies the measurement length of the waveform to be used for direct sequence spread spectrum (DSSS) Demod. This property is ignored if you set the DSSS Auto Compute Measurement Length Enabled property to True. This value is expressed in seconds. Details

DSSS Demod:Measurement Start Location

Specifies the number of payload chips to remove before starting the EVM computation. If the number of available payload chips (n) is greater than the value that you specify (m), the toolkit ignores (n-m) chips from the end of the payload. Details

DSSS Demod:Maximum Chips Used

Specifies the maximum number of chips (q) that the toolkit uses to compute EVM. If you specify (p) as the number of available chips in the payload, and |p-q| is greater than or equal to 300, the toolkit ignores (p-q) chips from the end of the payload and computes EVM on q chips. If |p-q| is less than 300, the toolkit ignores the last 300 chips and computes EVM on |p-300| chips. Details

DSSS Demod:Auto Compute Measurement Length Enabled

Specifies whether the toolkit automatically computes the measurement length of the waveform based on the DSSS Maximum Chips Used property. Details

DSSS Demod:Reference Pulse Shaping Filter

Specifies the pulse-shaping filter for generation of matched-filter coefficients. In most cases, you must set this property to the option that is used for the unit under test (UUT). Details

DSSS Demod:Reference Pulse Shaping Filter Coefficient

Specifies the value of alpha if you set the Reference Pulse Shaping Filter property to Raised Cosine or Root Raised Cosine. If you set the Reference Pulse Shaping Filter property to Gaussian in the non-equalization mode, the Reference Pulse Shaping Filter Coefficient property specifies the value of B * T, where B is the 3 dB filter bandwidth and T is symbol time. The toolkit ignores the DSSS Reference Pulse Shaping Filter Coefficient property if the Reference Pulse Shaping Filter property is Rectangular. Details

DSSS Demod:Equalization Enabled

Specifies whether to enable equalization. The IEEE Standard 802.11-2007 does not allow equalization before computing EVM. Details

DSSS Demod:Phase Tracking Method

Specifies the method of phase tracking to use. Phase tracking is useful for tracking the phase variations caused by residual frequency offset and phase noise. Details

DSSS Demod:Low Pass Filtering Enabled

Specifies whether to use low-pass filtering after acquiring the baseband signal to remove out-of-band noise. Details

DSSS Demod:Burst Start Detection Enabled

Specifies whether to detect the start of a burst. Details

DSSS Demod:Impairments Estimation Enabled:Carrier Frequency Offset

Specifies whether to estimate carrier frequency offset. Details

DSSS Demod:Impairments Estimation Enabled:Sampling Clock Offset

Specifies whether to estimate sample clock offset. Details

DSSS Demod:Impairments Estimation Enabled:IQ Gain Imbalance

Specifies whether to estimate I/Q gain imbalance. Details

DSSS Demod:Impairments Estimation Enabled:Quadrature Skew

Specifies whether to estimate quadrature skew. Details

DSSS Demod:Impairments Estimation Enabled:Carrier Suppression

Specifies whether to estimate carrier suppression. Details

DSSS Demod:Results:RMS EVM:Average (%)

Returns the average of RMS EVM measurements. This value is expressed as a percentage. Details

DSSS Demod:Results:RMS EVM:Minimum (%)

Returns the minimum of RMS EVM measurements, as a percentage. Details

DSSS Demod:Results:RMS EVM:Maximum (%)

Returns the maximum of RMS EVM measurements, as a percentage. Details

DSSS Demod:Results:RMS EVM:Standard Deviation (%)

Returns the standard deviation of RMS EVM measurements, as a percentage. Details

DSSS Demod:Results:Peak EVM:Maximum (%)

Returns the maximum of peak EVM measurements, as a percentage. Details

DSSS Demod:Results:Peak EVM:Minimum (%)

Returns the minimum of peak EVM measurements, as a percentage. Details

DSSS Demod:Results:80211b Peak EVM:Maximum (%)

Returns the maximum of 80211b peak EVM measurements, as a percentage. Details

DSSS Demod:Results:80211b Peak EVM:Minimum (%)

Returns the minimum of 80211b peak EVM measurements, as a percentage. Details

DSSS Demod:Results:80211b Peak EVM (2007):Maximum (%)

Returns the maximum of 80211b peak EVM measurements, as a percentage. Details

DSSS Demod:Results:80211b Peak EVM (2007):Minimum (%)

Returns the minimum of 80211b peak EVM measurements, as a percentage. Details

DSSS Demod:Results:Average Gated Power:Average (dBm)

Returns the average of average gated power. This value is expressed in dBm. Details

DSSS Demod:Results:Average Gated Power:Minimum (dBm)

Returns the minimum of average gated power. This value is expressed in dBm. Details

DSSS Demod:Results:Average Gated Power:Maximum (dBm)

Returns the maximum of average gated power. This value is expressed in dBm. Details

DSSS Demod:Results:Average Gated Power:Standard Deviation (dBm)

Returns the standard deviation of average gated power. This value is expressed in dBm. Details

DSSS Demod:Results:Burst Start Time (s)

Returns the absolute time corresponding to the detected start of the analyzed burst. This time is computed with respect to the t0 value of the acquired waveform. This value is expressed in seconds. Details

DSSS Demod:Results:Gated Power:Mean Power:Average (dBm)[]

Returns the average of the mean power obtained from gated power measurements on the acquired burst. The toolkit uses this measurement across specified number of iterations. This value is expressed in dBm. Details

DSSS Demod:Results:Gated Power:Mean Power:Minimum (dBm)[]

Returns the minimum of the mean power obtained from gated power measurements on the acquired burst. The toolkit uses this measurement across specified number of iterations. This value is expressed in dBm. Details

DSSS Demod:Results:Gated Power:Mean Power:Maximum (dBm)[]

Returns the maximum of the mean power obtained from gated power measurements on the acquired burst. The toolkit uses this measurement across specified number of iterations. This value is expressed in dBm. Details

DSSS Demod:Results:Gated Power:Mean Power:Standard Deviation (dBm)[]

Returns the standard deviation of the mean power obtained from gated power measurements on the acquired burst. The toolkit uses this measurement across specified number of iterations. This value is expressed in dBm. Details

DSSS Demod:Results:Gated Power:Peak Power:Average (dBm)[]

Returns the average of the peak power obtained from gated power measurements on the acquired burst. The toolkit uses this measurement across specified number of iterations. This value is expressed in dBm. Details

DSSS Demod:Results:Gated Power:Peak Power:Minimum (dBm)[]

Returns the minimum of the peak power obtained from gated power measurements on the acquired burst. The toolkit uses this measurement across specified number of iterations. This value is expressed in dBm. Details

DSSS Demod:Results:Gated Power:Peak Power:Maximum (dBm)[]

Returns the maximum of the peak power obtained from gated power measurements on the acquired burst. The toolkit uses this measurement across specified number of iterations. This value is expressed in dBm. Details

DSSS Demod:Results:Gated Power:Peak Power:Standard Deviation (dBm)[]

Returns the standard deviation of the peak power obtained from gated power measurements on the acquired burst. The toolkit uses this measurement across specified number of iterations. This value is expressed in dBm. Details

DSSS Demod:Results:Impairments:Carrier Frequency Offset:Average (Hz)

Returns the average across iterations of carrier frequency offset estimates of the transmitting DUT. This value is expressed in Hz. Details

DSSS Demod:Results:Impairments:Carrier Frequency Offset:Minimum (Hz)

Returns the minimum across iterations of carrier frequency offset estimates of the transmitting DUT. This value is expressed in Hz. Details

DSSS Demod:Results:Impairments:Carrier Frequency Offset:Maximum (Hz)

Returns the maximum across iterations of carrier frequency offset estimates of the transmitting DUT. This value is expressed in Hz. Details

DSSS Demod:Results:Impairments:Carrier Frequency Offset:Standard Deviation (Hz)

Returns the standard deviation of carrier frequency offset estimates of the transmitting DUT. This value is expressed in Hz. Details

DSSS Demod:Results:Impairments:IQ Gain Imbalance:Average (dB)

Returns the average of I/Q gain imbalance estimates across iterations. I/Q gain imbalance is the ratio of the mean amplitude of the in-phase (I) signal to the mean amplitude of the quadrature-phase (Q) signal. This value is expressed in dB. Details

DSSS Demod:Results:Impairments:IQ Gain Imbalance:Minimum (dB)

Returns the minimum of I/Q gain imbalance estimates , across iterations. I/Q gain imbalance is the ratio of the mean amplitude of the in-phase (I) signal to the mean amplitude of the quadrature-phase (Q) signal. This value is expressed in dB. Details

DSSS Demod:Results:Impairments:IQ Gain Imbalance:Maximum (dB)

Returns the maximum of I/Q gain imbalance estimates across iterations. I/Q gain imbalance is the ratio of the mean amplitude of the in-phase (I) signal to the mean amplitude of the quadrature-phase (Q) signal. This value is expressed in dB. Details

DSSS Demod:Results:Impairments:IQ Gain Imbalance:Standard Deviation (dB)

Returns the standard deviation of I/Q gain imbalance estimates I/Q gain imbalance is the ratio of the mean amplitude of the in-phase (I) signal to the mean amplitude of the quadrature-phase (Q) signal. This value is expressed in dB. Details

DSSS Demod:Results:Impairments:Quadrature Skew:Average (deg)

Returns the average of quadrature skew estimates across iterations. Quadrature skew is the deviation in angle from 90 degrees between the in-phase (I) and quadrature-phase (Q) signals. This value is expressed in degrees. Details

DSSS Demod:Results:Impairments:Quadrature Skew:Minimum (deg)

Returns the minimum of quadrature skew estimates across iterations. Quadrature skew is the deviation in angle from 90 degrees between the in-phase (I) and quadrature-phase (Q) signals. This value is expressed in degrees. Details

DSSS Demod:Results:Impairments:Quadrature Skew:Maximum (deg)

Returns the maximum of quadrature skew estimates across iterations. Quadrature skew is the deviation in angle from 90 degrees between the in-phase (I) and quadrature-phase (Q) signals. This value is expressed in degrees. Details

DSSS Demod:Results:Impairments:Quadrature Skew:Standard Deviation (deg)

Returns the standard deviation of quadrature skew estimates Quadrature skew is the deviation in angle from 90 degrees between the in-phase (I) and quadrature-phase (Q) signals. This value is expressed in degrees. Details

DSSS Demod:Results:Impairments:Carrier Suppression:Average (dB)

Returns the average of carrier suppression estimates across iterations. This value is expressed in dB. Details

DSSS Demod:Results:Impairments:Carrier Suppression:Minimum (dB)

Returns the minimum of carrier suppression estimates across iterations. This value is expressed in dB. Details

DSSS Demod:Results:Impairments:Carrier Suppression:Maximum (dB)

Returns the maximum of carrier suppression estimates across iterations. This value is expressed in dB. Details

DSSS Demod:Results:Impairments:Carrier Suppression:Standard Deviation (dB)

Returns the standard deviation of carrier suppression estimates. This value is expressed in dB. Details

DSSS Demod:Results:Impairments:Sample Clock Offset:Average (ppm)

Returns the average of Sample clock offset estimates across iterations. The Sample clock offset is the difference between the Sample clocks at the digital-to-analog converter (DAC) of the transmitting device under test (DUT) and the digitizer. This value is expressed in parts per million (ppm). Details

DSSS Demod:Results:Impairments:Sample Clock Offset:Minimum (ppm)

Returns the minimum of Sample clock offset estimates across iterations. The Sample clock offset is the difference between the Sample clocks at the digital-to-analog converter (DAC) of the transmitting device under test (DUT) and the digitizer. This value is expressed in parts per million (ppm). Details

DSSS Demod:Results:Impairments:Sample Clock Offset:Maximum (ppm)

Returns the maximum of Sample clock offset estimates across iterations. The Sample clock offset is the difference between the Sample clocks at the digital-to-analog converter (DAC) of the transmitting device under test (DUT) and the digitizer. This value is expressed in parts per million (ppm). Details

DSSS Demod:Results:Impairments:Sample Clock Offset:Standard Deviation (ppm)

Returns the standard deviation of sample clock offset estimates The sample clock offset is the difference between the sample clocks at the digital-to-analog converter (DAC) of the transmitting device under test (DUT) and the digitizer. This value is expressed in parts per million (ppm). Details

DSSS Demod:Results:Impairments:Phase Error RMS:Average (deg)

Returns the average across iterations of RMS phase error measurement. This value is expressed in degrees. Details

DSSS Demod:Results:Impairments:Phase Error RMS:Minimum (deg)

Returns the minimum across iterations of RMS phase error measurement. This value is expressed in degrees. Details

DSSS Demod:Results:Impairments:Phase Error RMS:Maximum (deg)

Returns the maximum across iterations of RMS phase error measurement. This value is expressed in degrees. Details

DSSS Demod:Results:Impairments:Phase Error RMS:Standard Deviation (deg)

Returns the standard deviation across iterations of RMS phase error measurement. This value is expressed in degrees. Details

DSSS Demod:Results:Header:Payload Length (bytes)

Returns the length of the payload, including the medium access control (MAC) header If you set the DSSS Header Detection Enabled property to True, the toolkit extracts the payload length from the demodulated LENGTH field of the frame. The LENGTH field is defined in sections 15.2.3.5, 18.2.3.5, 18.2.3.12, and 19.3.2.1.2 of IEEE Standard 802.11-2007. This value is expressed in bytes.

If you set the OFDM Header Detection Enabled property to False, the value you specify in the DSSS Payload Length property specifies the payload length. The toolkit returns a value of -1 if it encounters various data lengths during the averaging process. Details

DSSS Demod:Results:Header:Data Rate (Mbps)

Returns the data rate used to transmit the SERVICE field and the physical layer convergence procedure protocol data unit (PPDU). If you set the DSSS Header Detection Enabled property to True, the data rate is extracted from the demodulated SIGNAL field of the frame. The SIGNAL field is defined in sections 15.2.3.3, 18.2.3.3, 18.2.3.10, and 19.3.2.1 of IEEE Standard 802.11-2007. This value is expressed in Mbps.

If you set the Header Detection Enabled property to False, the value you specify in the DSSS Data Rate property specifies the data rate. Details

DSSS Demod:Results:Header:Header CRC Passed

Indicates whether the header cyclic redundancy check (CRC), as defined in section 18.2.3.6 of IEEE Standard 802.11b-1999, has successfully passed. Details

DSSS Demod:Results:Packet:Preamble Type

Indicates whether the detected preamble type is long or short. Details

DSSS Demod:Results:Packet:SFD Found

Indicates whether the toolkit successfully detected the start frame delimiter (SFD), as defined in sections 18.2.3.2 and 18.2.3.9 of IEEE Standard 802.11b-1999. Details

DSSS Demod:Results:Packet:MAC Frame Check Sequence Passed

Indicates whether the frame check sequence (FCS) of the received decoded medium access control (MAC) protocol data unit (MPDU) has passed. The toolkit calculates the checksum over the decoded bits, excluding the last 32 bits. The toolkit then compares this value with the checksum value in the received payload, which is represented by the last 32 bits of the MPDU. Details

Advanced:Swap I and Q Enabled

Specifies whether to swap the data in the I and Q streams. Details

Advanced:Sample Clock Rate Factor

Specifies the factor by which the Sample clock rate was multiplied at the transmitter to generate a signal, which is compressed in the frequency domain and expanded in the time domain. Details

Advanced:Toolkit Compatibility Version

Indicates the toolkit compatibility version parameter of the niWLANA Open Session VI. Details

Obsolete:Power Level (dBm)

Specifies the expected average power level of the incoming signal at the input of the NI-RFSA, excluding any interframe spacing. Set this property to the average transmission power of the signal burst after subtracting any cabling or fixture losses. This value is expressed in dBm. Details

Obsolete:Maximum Input Power (dBm)

Specifies the expected peak power level of the incoming signal at the input of the NI-RFSA, excluding any interframe spacing. Set the Maximum Input Power property equal to the sum of the average transmission power of the waveform and the maximum expected peak-to-average power ratio (PAPR) of the incoming signal. This value is expressed in dBm. Details

Obsolete:Guard Interval (s)

Specifies the guard interval if you set the Standard property to 80211N MIMOOFDM or 80211AC MIMOOFDM. If you set the OFDM Header Detection Enabled property to False, the toolkit uses the value of the Guard Interval property as the guard interval for performing OFDM demodulation measurements. This value is expressed in seconds. Details

Obsolete:HE-SIG-B MCS Index

Specifies the value of the modulation and coding scheme (MCS) index of the HE-SIG-B field of 802.11ax signal when you set the OFDM PPDU Type property to MU PPDU. Details

Obsolete:HE-SIG-B Dual Carrier Modulation Enabled

Specifies whether the dual carrier modulation (DCM) is applied on the HE-SIG-B field of 802.11ax signals or not. The DCM is applied to the HE-SIG-B MCS index values 0, 1, 3, and 4. Details

Obsolete:Transmission Mode

Specifies whether the transmission mode of the 802.11ax signal is uplink or downlink. Details

Obsolete:AMPM Measurements:Enabled

Specifies whether to enable measurement of AM-PM and AM-AM distortions in the acquired signal. The toolkit calculates the AM-AM and AM-PM response of a power amplifier (PA) device under test (DUT) using the reference waveform input to the DUT. The toolkit fits a 7th order polynomial to the measured AM-AM and AM-PM responses.

If you set the AMPM Measurements Enabled property to True, you must set the AMPM DUT Input Power Level property, and specify the reference waveform using the niWLANA Set AMPM Reference Waveform VI. Details

Obsolete:AMPM Measurements:Enable Traces:All Traces Enabled

Specifies whether to enable all traces of AM-PM measurements. Details

Obsolete:AMPM Measurements:Enable Traces:AMAM Trace Enabled

Specifies whether to enable the trace of measured AM-AM distortion of the acquired waveform. The AM-AM trace is a plot of the measured AM-AM gain versus instantaneous input power of every sample in the acquired signal, which is 17.5 dB below the peak power of the signal. Details

Obsolete:AMPM Measurements:Enable Traces:AMPM Trace Enabled

Specifies whether to enable the trace of measured AM-PM distortion of the acquired waveform. The AM-PM trace is a plot of measured phase error versus instantaneous input power of every sample in the acquired signal, which is 17.5 dB below the peak power of the signal. This value is expressed in degrees. This value is expressed in dBm. Details

Obsolete:AMPM Measurements:Enable Traces:AMAM Curve Fit Trace Enabled

Specifies whether to enable the trace of the curve obtained by doing a polynomial fit on measured AM-AM distortion values of the acquired waveform. Details

Obsolete:AMPM Measurements:Enable Traces:AMPM Curve Fit Trace Enabled

Specifies whether to enable the trace of the curve obtained by doing a polynomial fit on measured AM-PM distortion values of the acquired waveform. Details

Obsolete:AMPM Measurements:Enable Traces:Mean Acquired Waveform Trace Enabled

Specifies whether to enable the mean acquired waveform trace. Details

Obsolete:AMPM Measurements:Enable Traces:Processed Reference Waveform Trace Enabled

Specifies whether to enable the processed reference waveform trace. Details

Obsolete:AMPM Measurements:Averaging Mode

Specifies the type of waveform averaging to be done on the acquired waveform before performing AMPM measurements. Details

Obsolete:AMPM Measurements:Number of Averages

Specifies the number of iterations over which the toolkit averages the acquired waveform. Details

Obsolete:AMPM Measurements:DUT Input Power Level (dBm)

Specifies the average power level of the signal at the input of the power amplifier (PA) device under test (DUT). You must set this property if the AMPM Measurement Interval property is set to True; otherwise, the toolkit returns an error. This value is expressed in dBm. Details

Obsolete:AMPM Measurements:Measurement Length

Specifies the measurement length of the waveform to be used for AMPM measurements. This value is expressed in seconds. Details

Obsolete:AMPM Measurements:Results:AMPM Polynomial Coefficients []

Returns an array of the coefficients of the 7th order polynomial, which is used to fit a curve to measured AMPM characteristics.

Note  This property is available only if you set the toolkit compatibility version parameter of the niWLANA Open Session VI to 1.0.0 or 2.0.0 or 3.0.0.

Details

Obsolete:AMPM Measurements:Results:AMAM Polynomial Coefficients []

Returns an array of the coefficients of the 7th order polynomial which is used to fit a curve to measured AMAM characteristics.

Note  This property is available only if you set the toolkit compatibility version parameter of the niWLANA Open Session VI to 1.0.0 or 2.0.0 or 3.0.0.

Details

Obsolete:AMPM Measurements:Results:1dB Compression Point (dBm)

Returns the power corresponding to a 1 dB compression point of the AM-AM curve. This value is expressed in dBm.

Note  This property is available only if you set the toolkit compatibility version parameter of the niWLANA Open Session VI to 1.0.0 or 2.0.0 or 3.0.0.

Details

Obsolete:AMPM Measurements:Results:Phase Error Range (deg)

Returns the peak-to-peak variation of phase error in AMPM measurement. This value is expressed in degrees.

Note  This property is available only if you set the toolkit compatibility version parameter of the niWLANA Open Session VI to 1.0.0 or 2.0.0 or 3.0.0.

Details

Obsolete:AMPM Measurements:Results:Gain Error Range(dB)

Returns the peak-to-peak variation of gain in AMAM measurement. This value is expressed in dB.

Note  This property is available only if you set the toolkit compatibility version parameter of the niWLANA Open Session VI to 1.0.0 or 2.0.0 or 3.0.0.

Details

Obsolete:AMPM Measurements:Results:AMPM Residual (deg)

Returns the mean square residual error of the curve obtained by doing a polynomial fit on measured AM-PM distortion values of the acquired waveform. This value is expressed in degrees.

Note  This property is available only if you set the toolkit compatibility version parameter of the niWLANA Open Session VI to 1.0.0 or 2.0.0 or 3.0.0.

Details

Obsolete:AMPM Measurements:Results:AMAM Residual (dB)

Returns the mean square residual error of the curve obtained by doing a polynomial fit on measured AM-AM distortion values of the acquired waveform. This value is expressed in dB.

Note  This property is available only if you set the toolkit compatibility version parameter of the niWLANA Open Session VI to 1.0.0 or 2.0.0 or 3.0.0.

Details

Obsolete:AMPM Measurements:Results:Average Phase Error (deg)

Returns the mean of the curve fit to AM-PM response. This value is expressed in dB.

Note  This property is available only if you set the toolkit compatibility version parameter of the niWLANA Open Session VI to 1.0.0 or 2.0.0 or 3.0.0.

Details

Obsolete:AMPM Measurements:Results:Average Gain (dB)

Returns the mean of the curve fit to AM-AM response. This value is expressed in dB.

Note  This property is available only if you set the toolkit compatibility version parameter of the niWLANA Open Session VI to 1.0.0 or 2.0.0 or 3.0.0.

Details

Obsolete:AMPM Measurements:Results:Minimum Input Power (dB)

Returns the actual minimum power (threshold) of the PA input signal, used in AMPM measurement. This value is expressed in dB.

Note  This property is available only if you set the toolkit compatibility version parameter of the niWLANA Open Session VI to 1.0.0 or 2.0.0 or 3.0.0.

Details

Obsolete:AMPM Measurements:Results:Maximum Input Power (dB)

Returns the actual peak power of the PA input signal, used in AMPM measurement. This value is expressed in dB.

Note  This property is available only if you set the toolkit compatibility version parameter of the niWLANA Open Session VI to 1.0.0 or 2.0.0 or 3.0.0.

Details

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