Utility

NI WLAN Analysis Toolkit 18.0 Help

Edition Date: October 2018

Part Number: 373724K-01

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Owning Palette: Analysis VIs

Use the Utility VIs to perform utility operations that include saving and loading configurations files, calculation of carrier frequencies, and various RFSA operations.

Palette Object Description
niWLANA Save Configuration to File

Saves all properties of the session to a file located at a specified path. Use this file to save the current state of the toolkit.

niWLANA Load Configuration from File

Loads the properties of a session saved in a file and restores the previous state of the toolkit.

niWLANA Read Waveform from File

Reads a waveform from the file saved using the WLAN Analysis Soft Front Panel, located at Start»All Programs»National Instruments»NI WLAN Analysis Toolkit.

niWLANA Channel Number to Carrier Frequency

Calculates the carrier frequency according to the numbering scheme by converting a set of input parameters, including the channel number, for IEEE 802.11a/b/g/j/n/p, IEEE 802.11ac, IEEE 802.11ah, IEEE 802.11af, and IEEE P802.11ax/D3.0 standards.

niWLANA RFSA Auto Level v2

Performs an acquisition, and configures the best reference level or vertical range for the NI vector signal analyzer based on the peak power or the voltage of the measured signal. This VI configures the optimal reference level for EVM, if you set the Optimize Reference Level for EVM Enabled property to True. You must configure the Standard, Channel Bandwidth and Optimize Reference Level for EVM Enabled properties before calling this VI.

niWLANA RFSA Auto Range

Analyzes the incoming signal to measure the maximum input power and acquisition length of the burst and sets these values to the Auto-Range Max Input Power and Auto-Range Acquisition Length properties, respectively.

niWLANA RFSA Auto Detection of Standard

Configures NI-RFSA to acquire an I/Q waveform and detects the IEEE 802.11 standard, which includes the type of physical layer, of the acquired signal.

niWLANA RFSA Configure Optimal EVM Reference Level

Configures the reference level on the NI vector signal analyzer after applying optimization for EVM that uses inherent room in the dynamic range of the device. The optimization lowers the reference level from user-specified peak power by a factor that depends upon the user-specified peak power and carrier frequency. You can adjust the factor further by configuring the Optimize Reference Level for EVM Margin property. You must set the Optimize Reference Level for EVM Enabled property to True to enable the optimization.

niWLANA RFSA Measure Noise Floor

Measures the noise floor of the NI vector signal analyzers. The measured noise floor values are used to compensate EVM results during OFDM demod measurement when you set the Noise Compensation Enabled property to True. Measure the noise floor only if you want to perform measurement with noise compensation.



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