Description: This soft decoding algorithm for the sumproduct implementation of the ldpc codoes. The program calculates the log likelihood ratio.
And add them all in the . After running the programme type Eji to fing the final matrix of lg likelyhood ratios.H=LDPC parity Check Matrixrx :recieved Signal vector
H=LDPC parity Check Matrix
N0=Noise vriance
iter: Number pf iteration
xHat :Decoded Vector(0/1)
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softdectry.m
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