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Custom Modulation Transmission

Category: Software
Product Number: AD9363
Software Version: MATLAB 2024a

Hello,

I am working on modifying the MATLAB example for QPSK using the ADALM Pluto SDR, incorporating a custom modulation. While I can successfully transmit the custom signal (as confirmed by observing the spectrum), I encounter issues when receiving it. Specifically, the IQ data I receive is not as expected and appears garbled.

In the provided QPSK example, the receiver performs phase correction and coarse frequency adjustments. My question is: how can I reliably collect correct IQ samples with Pluto SDR for my custom modulation, so I can process them effectively?

Any guidance on addressing this issue would be greatly appreciated.

Thank you.

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