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» Pseudocodeword weights for non-binary LDPC codes
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CORR
2006
Springer
64views Education» more  CORR 2006»
13 years 5 months ago
Pseudocodeword weights for non-binary LDPC codes
Abstract-- Pseudocodewords of q-ary LDPC codes are examined and the weight of a pseudocodeword on the q-ary symmetric channel is defined. The weight definition of a pseudocodeword ...
Christine A. Kelley, Deepak Sridhara, Joachim Rose...
CORR
2007
Springer
104views Education» more  CORR 2007»
13 years 5 months ago
Searching for low weight pseudo-codewords
— Belief Propagation (BP) and Linear Programming (LP) decodings of Low Density Parity Check (LDPC) codes are discussed. We summarize results of instanton/pseudo-codeword approach...
Michael Chertkov, Mikhail G. Stepanov