[Discuss-gnuradio] How to allow random subcarriers in OFDM?

[Brook Lin]

Hi All,

For the OFDM, the fft_length is the total number of subcarriers, and  the
occupied_tones is the total number of subcarriers that carry actual data,
which are in the middle of total subcarriers. However, I want to make the
subcarriers randomly on or off, which means, the  occupied_tones are not in
the middle, but randomly distribute over the subcarriers. Does anyone know
how to start it? Is gr_ofdm_mapper_bcv.cc the only one I need to look at?

Thanks for any reply.
Brook

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