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Re: [Discuss-gnuradio] ofdm occupied tones concept

From: Tom Rondeau
Subject: Re: [Discuss-gnuradio] ofdm occupied tones concept
Date: Mon, 03 May 2010 08:09:27 -0400
User-agent: Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv: Gecko/20100317 Thunderbird/3.0.4

On 5/3/2010 1:48 AM, George Nychis wrote:

On Sun, May 2, 2010 at 4:08 AM, jf w <address@hidden> wrote:
Hi all,

I'm thinking about implementing non-contiguous OFDM with gnuradio. So I read the ofdm codes of gnuradio. And I find the occupied tones concept in gnuradio. Is it designed for non-contiguous OFDM?  Or it is for other reasons

There is an NC-OFDM implementation here:

I am working on the code being in CGRAN with the authors.

- George

Since the code they built to do the NC-OFDM was based originally on the code inside GNU Radio, doesn't it make sense to put that back into GNU Radio instead of CGRAN? The way that I originally wrote the code was to allow for people to do this by manipulating the subcarrier map, so as far as I know, the change would just add functionality to the already existing code and not change its basic functionality.

I can see having the application being in CGRAN, but by putting it all there seems to duplicate code and will confuse the code base.

If I'm wrong and they completely reimplemented a lot of this stuff on their own, then that's a different story. When I talked to them at DySPAN, it seemed like they enhanced the GNU Radio OFDM code.


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