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Re: [Discuss-gnuradio] Question on OFDM

From: J park
Subject: Re: [Discuss-gnuradio] Question on OFDM
Date: Fri, 29 Aug 2008 07:44:37 -0700 (PDT)


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


Brook Lin wrote:
> 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 Lin

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