Carrier Definition

RFmx Waveform Creator 19.1 Help

Edition Date: October 2019

Part Number: 377064G-01

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RFmx Waveform Creator 19.1 Help
RFmx Waveform Creator 20.0 Help

This section allows you to configure the top level modulation parameters for each carrier.

Cell ID: Specifies the physical layer cell identity. The range is 0 to 1007. The default value is 0.

Channel Bandwidth: Specifies the overall bandwidth, comprised of bandwidth parts. Valid values range from 5 MHz to 400 MHz.

Time Domain Windowing Duration (% Of CP): Time-domain windowing is not mandatory in the NR standard. The window function is employed to reduce out-of-band spectrum emissions.

The windowing duration specifies the time interval of the time-domain windowing. By default, it is set to 20 percent of the cyclic prefix length. Increasing the duration increases the spectrum roll-off at the cost of a decreased delay spread tolerance.

Oversampling Factor: Specifies the relation between the final output sample rate and the native sample rate.

For example, an oversampling factor of 4 means that the final output sample rate will be 4 times the symbol rate.

Reference Grid Alignment Mode: Specifies whether the component carrier is aligned to a reference grid of a frequency range. In Auto mode, the reference grid is selected from the largest configured subcarrier spacing in a bandwidth part. In Manual mode, you specifies the subcarrier spacing of the reference grid manually.

Reference Grid Subcarrier Spacing Mode: Specifies the subcarrier spacing for reference grid when Reference Grid Alignment Mode is set to Manual.

Reference Grid Start: Specifies the resource block offset of the reference grid relative to the Ref Pt. A when Reference Grid Alignment Mode is set to Manual.

Number of BWP Configurations: Specifies the number of configured bandwidth parts (BWP) in a carrier. Currently only a single BWP can be configured.

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