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Re: [Discuss-gnuradio] The GMSK demodulation
From: |
Tom Tsou |
Subject: |
Re: [Discuss-gnuradio] The GMSK demodulation |
Date: |
Fri, 28 Feb 2014 13:21:39 -0500 |
On Fri, Feb 28, 2014 at 11:51 AM, Nick Foster <address@hidden> wrote:
> I'm working on a generalized CPM demod based on Achilleas's previous work in
> gr-trellis/src/examples/test_cpm.py, and I have it more or less working
> although there are plenty of little bugs to work out. Since the Viterbi part
> was more or less worked out for me, synchronization is the hard part; my
> application isn't GSM, and I'd like the solution in Gnuradio to be
> applicable to a wide range of systems -- this means closed-loop timing and
> freq synchronization instead of just doing data-aided estimates from the
> preamble.
I don't have much to add, but Nick and Sylvain touched on the largest
difference between the Gnuradio GMSK demod and GSM/TDMA type burst
processing - and it's not the Viterbi. The use of synchronization
loops (or lack thereof) in the demod is really the separating factor.
-TT
- [Discuss-gnuradio] The GMSK demodulation, zhenhua han, 2014/02/28
- Re: [Discuss-gnuradio] The GMSK demodulation, Aditya Dhananjay, 2014/02/28
- Re: [Discuss-gnuradio] The GMSK demodulation, zhenhua han, 2014/02/28
- Re: [Discuss-gnuradio] The GMSK demodulation, Marcus Müller, 2014/02/28
- Re: [Discuss-gnuradio] The GMSK demodulation, Tom Rondeau, 2014/02/28
- Re: [Discuss-gnuradio] The GMSK demodulation, Sylvain Munaut, 2014/02/28
- Re: [Discuss-gnuradio] The GMSK demodulation, Nick Foster, 2014/02/28
- Re: [Discuss-gnuradio] The GMSK demodulation, Dan CaJacob, 2014/02/28
- Re: [Discuss-gnuradio] The GMSK demodulation, Nick Foster, 2014/02/28
- Re: [Discuss-gnuradio] The GMSK demodulation,
Tom Tsou <=
- Re: [Discuss-gnuradio] The GMSK demodulation, Nick Foster, 2014/02/28
- Re: [Discuss-gnuradio] The GMSK demodulation, Tom Tsou, 2014/02/28