Analysis of Channel Coding for Redundant Sources
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If you have a question about this talk, please contact Taylan Cemgil.
We describe the split-LDPC codes for channel coding of non-uniform sources.
Firstly, we give their encoding structure and illustrate their performance at finite length.
Then, we study the stability condition of split-LDPC under iterative decoding and
the evolution of message densities on the graph representation. We also propose
a description of split-LDPC decoding as a bi-dimensional dynamic system associated
to a very accurate Gaussian approximation of message densities.
This talk is part of the Signal Processing and Communications Lab Seminars series.
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Tuesday 03 April 2007, 13:00-14:00