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From: Brian Korsedal<BKorsedal@b...>
Date: Wed Jan 21 18:58:07 CET 2004
Subject: [oc] FFT for COFDM systems
Hi,

I'm working on a small parallel FFT core (either 8 or 16 point FFT).
The idea is that this core will be surrounded by a lot of memory blocks
in an FPGA and data will be routed into and out of it by some other
logic. This will be a building block for a 8K FFT or whatever. Anyway,
is COFDM transmition systems there is an I and a Q stream of symbols. I
know that the I and Q are refered to real and imaginary, but do I need a
complex FFT or two real FFT's?



Thanks,



Brian

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