Is there a way to obtain a constellation plot from an uplink signal in the LTE toolbox?

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Ian Atkinson
Ian Atkinson 2023-11-18
评论： Ian Atkinson 2024-1-31
In the 5G toolbox I can use the function like this to obtain the IQ constellations of NR uplink signals as eqSym:
[evmInfo,eqSym,refSym] = hNRPUSCHEVM(wavegen.Config,waveform,cfg);
I'd like to do the same for LTE signals, but the equivalent function hPUSCHEVM doesn't return the constellation symbols:
[finalEVM,finalDrsEVM,emissions,plots, puschInfo] = hPUSCHEVM(frc,varargin);
Is there any way to get these values?
Many thanks!

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vidyesh
vidyesh 2023-11-29
Hello Ian,
It is my understanding that since the ‘hPUSCHEVM’ function doesn’t plot the Constellation Diagram, you want to know how to get the values required for plotting the diagram.
The required values for plotting the Constellation Diagram are stored in the 'demodSymbols' variable within the 'hPUSCHEVM' function. It's important to note that this variable is only present within the scope of the 'hPUSCHEVM' function and is not returned by the function itself.
For detailed information refer the following pages:
Hope this answer helps.

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