% Author:  David Varodayan (varodayan@stanford.edu)% Date:    May 9, 2006n = 396;                            % blocklengthladderFile = '396_regDeg3.lad';     % regular degree 3 codespCrossover = 0.11;                  % BSC crossover probabilitysource = double(rand(1, n)>0.5);accumSyndrome = encodeBits(source, ladderFile);sideinfo_BSC = mod(source + double( rand(1, n)<pCrossover ), 2);pCond = (1-pCrossover).*(1-sideinfo_BSC) + pCrossover.*sideinfo_BSC; % P(source=0|sideinfo)LLR_intrinsic = log( pCond./(1-pCond) ); % log( P(source=0|sideinfo)/P(source=1|sideinfo) )[decoded, rate, numErrors] = decodeBits( LLR_intrinsic, accumSyndrome, source, ladderFile );