Question on OFDM

GNU Radio
1

Hi All,

I am trying to do a multi-carrier transmission. I went through the
benchmark_ofdm_tx.py and benchmark_ofdm_rx.py files. How can I set the
specific subcarrier? Say, -d 32 --fft-length=512 --occupied-tones=200.
What
I understand is that a 2M bandwidth is divided into 512 subcarriers, and
200
subcarriers are used. How are these 200 used subcarriers allocated? How
I
should do if I only want to use the first and the last subcarrier or
other
specific subcarrier?

Thanks,
Brook L.

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2

Hi

I am interested in your question, and if you know the answer now, could
you
tell me how you did that?
Thank you.

James,

Brook L. wrote:

Thanks,
Brook L.

–
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