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Re: [Discuss-gnuradio] New digital modulation receiver in trunk

From: Dan Halperin
Subject: Re: [Discuss-gnuradio] New digital modulation receiver in trunk
Date: Wed, 07 Mar 2007 00:10:11 -0800
User-agent: Thunderbird (X11/20070303)

Tom Rondeau wrote:
small increase in --costas-alpha. The main issue with these gains is the
different samples per symbol, which is corrected for mostly by changes in
the mu gain in the M&M loop. To keep the logic simple, I set costas-alpha

Using the old versions of the code, I noticed that the SNR performance is MUCH MUCH MUCH MUCH better when 64M/bitrate is a power of 2. E.G. 125k (decim 512), 250k (decim 256), 500k (decim 128) work great but 200k does not. Is the above why?



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