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Re: [Discuss-gnuradio] GNURadio OFDM receiver design

From: Achilleas Anastasopoulos
Subject: Re: [Discuss-gnuradio] GNURadio OFDM receiver design
Date: Sat, 06 May 2006 15:06:43 -0400
User-agent: Mozilla Thunderbird 1.0.2 (Windows/20050317)


You can download the latest gnuradio implementation
of these blocks from



PS: the extension to turbo decoding is really straightforward
with these blocks (more on this in a couple of weeks); however, as you pointed out the throughput would be very slow...

Michael Dickens wrote:
Achilleas - I was working on a generic convolutional encoder / decoder, but got sidetracked by various other things. Before I decide to pick mine back up again, could I try out yours? Is your code (C) to you or elsewhere, covered by GPL or not? GNURadio certainly needs a good conv enc / dec set; my summer project is probably a Turbo enc / dec set, first as a GR block and then if I can figure it out as FPGA code (to get throughput up fast enough, since I doubt that a GPU will provide substantial throughput). Thanks! - MLD

On Saturday, May 6, 2006, at 12:51 PM, Achilleas Anastasopoulos wrote:

I already have implemented generic blocks for

- convolutional encoder / Viterbi decoder

also, with this it is straightforward to implement

- Differential coding

Finally, I am currently implementing a generic

- interleaver/deinterleaver.

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