Transmit and receive qpsk using adalm-pluto on matlab simulink software

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Nhut
Nhut about 14 hours 前
回答： Nhut about 12 hours 前
Hello. I cannot recover the signal after the Adalm-pluto receiver block. I saw on the internet that before synchronizing the carrer, the phase signal they got was circular and mine got a very bad signal. Can you help me?
The frequency used is 50KHz, the sampling frequency is 200KHz
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Umeshraja
Umeshraja about 13 hours 前
Assuming that phase noise is present, The constellation looks like the signal is affected by phase noise. Have you considered removing in the receiver part?

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Nhut
Nhut about 12 hours 前
The signal after the adalm-ploto receiver block has not gone through any synchronization blocks yet. I see online that person hasn't put through any synchronization block yet

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