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Trellis Coded Modulation

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10 Threads found on edaboard.com: Trellis Coded Modulation
We know that modulation in general can get complicated, and the various types phase modulated schemes can pack in more information than was once thought possible. I tried to unpick a couple. 4D 2/3 TCM 8PSK DVB RS 500MBit/sec (trellis coded modulation 8-phase Phase Shift Keying + Reed-Solomon correction). and (...)
How does turbo trellis differ from "ordinary" trellis codes?
I'm currently doing a project Implementing Pragmatic trellis coded modulation by genetic algorithm based cognitive radio. it involves 5 different types of scenario. I'm also doing a simulation on the sensitivity analysis of the transmission parameters. I'm encountering a problem when i'm conducting a modulation index (...)
Hello, I'm looking for a Matlab script of encoder and decoder (Viterbi) for trellis-coded modulation. Will be very greatful to someone who could share it with me ! Best regards
Hi, I am relatively new in MATLAB, I need some help with Matlab coding for soft decision Viterbi Decoding in trellis coded modulation(TCM). I cant understand how I can implement in coding. How to give the Euclidean distance on trellis, or how can the points be compared in distance..Please help me. Thanks a lot! Best regard.
Hi, I am relatively new in MATLAB, I need some help with Matlab coding for soft decision Viterbi Decoding in trellis coded modulation(TCM). Ihave read quite an amount on how soft-decision viterbi decoding works, but I cant understand how I can implement in coding. How to give the Euclidean distance on trellis, or how can (...)
Hi! i want to know why TCM trellis coded modulation is used. and also from simulation point of view what are steps needed to do for its implementation in matlab. thanks BR/
Hi, can anyone convert the following codes into a form accepted by poly2trellis function in matlab, they are all of code rates = 2/3 H0 = 11 H1= 02 H2 = 04 (v=3 "constraint length) H0 = 23 H1= 04 H2 = 16 (v=4) H0 = 45 H1= 16 H2 = 14 (v=5) H0 = 105 H1= 036 H2 = 074 (v=6)
hi all can someone give a simple introduction to trellis coded modulation(TCM) thanks too much
"As trellis-coded modulation is an extension of binary coding methods to larger signal constellations, so is turbo-coded modulation the extension of turbo coding principles to include larger signal constellations.", the aforementioned is come from the "The trellis and turbo coding" that is (...)