I am building an OFDM transmission and reception system, but I am having difficulty recovering the BPSK constellation during reception, as the signal has a large phase rotation. I use a PLL before symbol synchronization, but I have not been able to solve the phase rotation problem.
Does anyone have any suggestions? I use an OFDM signal generated by an MG3700 (Anritsu) and the programming is done in Python. I appreciate any suggestions in advance.
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