An efficient joint source-channel decoder with dynamical block priors

Ido Kanter, Haggai Kfir, Shahar Keren

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


An efficient joint source-channel (s/c) decoder based on the side information of the source and on the MN-Gallager algorithm over Galois fields is presented. The dynamical block priors (DBP) are derived either from a statistical mechanical approach via calculation of the entropy for the correlated sequences, or from the Markovian transition matrix. The Markovian joint s/c decoder has many advantages over the statistical mechanical approach. In particular, there is no need for the construction and the diagonalization of a q × q matrix and for a solution to saddle point equations in q dimensions. Using parametric estimation, an efficient joint s/c decoder with the lack of side information is discussed. Besides the variant joint s/c decoders presented, we also show that the available sets of autocorrelations consist of a convex volume, and its structure can be found using the Simplex algorithm.

Original languageEnglish
Pages (from-to)184-196
Number of pages13
JournalProgress of Theoretical Physics Supplement
StatePublished - 2005


Dive into the research topics of 'An efficient joint source-channel decoder with dynamical block priors'. Together they form a unique fingerprint.

Cite this