Could you give me tips for saving ofdm data? and interpolation?

Hi,

I was able to get the data using file_sink with benchmark_ofdm_tx.py

self.file_sink = gr.file_sink(gr.sizeof_gr_complex, “filename.dat”)
self.connect(sef.txpath, self.file_sink)

and could see frequency spectrum using fft and fftshift in matlab.

also, I extended receive_path.py with file_sink, but data did not look
match
with transmit data.
Could you give me tips for that?

if I want to calculate the exact real time, can I divide x value by 64M
and
interpolation value?
Thank you for your help.

James,

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