RFSoC Development Kit Getting Started Guide
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Experiment 2: Generating an LTE signal through the TX Path
The power amplifier (PA) output in each channel of the Qorvo RF card is routed back to an RF-ADC through a
directional coupler, providing an observation path typically used for digital pre-distortion of the PA. In this
experiment we shall generate an LTE standard-compliant signal in the digital domain from the RFSoC Explorer
graphical user interface (GUI) running under MATLAB on the host PC. The digital signal data will be downloaded
to the ZCU111 over TCP/IP and stored in DDR4 memory dedicated to the RF-DACs.
1.
Return to DAC Tile 1. From ‘Signal Source’ of DAC 2, select ‘Wireless Waveform’.
From the Wireless Waveform Generator, select
LTE (4G) Downlink RMC
as the Waveform Type.
Figure 22 – MathWorks LTE Toolbox in Waveform Generator
In the ‘Waveform’ tab on the left, use the
Reference channel
dropdown menu to select
R.9 (Port 0, 100 RB,
64 QAM, CellRefP=1, R=3/4)
, then click
Generate
to create the waveform.
