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

2007-03-07 Thread Robert McGwier
Tom Rondeau wrote: -Original Message- Yes, I'm sure these are related. It has a lot to do with how much the phase rotates between samples, and the Costas Loop corrects the phase for every sample; if the SNR is high and you have many samples per symbol, many of those samples are going to

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

2007-03-07 Thread Tom Rondeau
> -Original Message- > From: Dan Halperin [mailto:[EMAIL PROTECTED] > 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

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

2007-03-07 Thread Dan Halperin
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 t