On 05/03/2010 08:09 AM, Tom Rondeau wrote:
On 5/3/2010 1:48 AM, George Nychis wrote:
On Sun, May 2, 2010 at 4:08 AM, jf w <jfwang...@gmail.com
<mailto:jfwang...@gmail.com>> 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:
http://www.cs.ucsb.edu/~htzheng/papyrus/detail/download.php
<http://www.cs.ucsb.edu/%7Ehtzheng/papyrus/detail/download.php>
I am working on the code being in CGRAN with the authors.
- George
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.
From a philosophy point of view, I prefer to see stuff stay outside GNU
Radio to avoid adding additional dependencies to the core GNU Radio
build. How to address duplication in this model is something that should
be considered though.
Philip
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.
Tom
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