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Re: [Discuss-gnuradio] discontinuous OFDM implementation?

From: George Nychis
Subject: Re: [Discuss-gnuradio] discontinuous OFDM implementation?
Date: Sun, 25 Apr 2010 23:54:25 -0400

Do you mean discontinuous in time or frequency? If you're talking
about frequency (selectively turning off subcarriers, which I've heard
referred to as non-contiguous OFDM mostly), then there are definitely
a few implementations out there. I saw two groups at the latest IEEE
DySPAN conference demoing just such a system. I've been meaning to get
in touch with both groups to see if they would be willing to let us
take their updates to our OFDM code and put it in the tree.

In frequency, yep with subcarrier suppression.  That would be great to have with the rise of DSA in the GNU Radio branch.  Do you remember who exactly did the demo?  Was it "Software Defined Radio Implementation of SMSE Based Overlay Cognitive Radio"

Their slides appear to have subcarrier suppression in them.  Reginald goes to school here, he's part of another wireless group.  I will poke him for the code :)

- George

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