ASWATHY G P

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my code for LDPC BER evaluation is working only for all zero codeword. For random messages, it is not working properly and my BER curve is bad...Why is it so?
my code for LDPC BER evaluation is working only for all zero codeword. For random messages, it is not working properly and my BE...

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I wrote a matlab code for obtaining BER of ldpc codes using sum product algorithm. But its BER performance is relatively close to uncoded BPSK. What can I do to change this? What should be the dimension of parity check matrix, number of iterations???
Questions: Range for noise power N0 when bit energy=1 using BPSK modulation? No'of iterations required for sum product algorit...

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How can I convert a large sparse parity check matrix to its systematic form so that I can obtain generator matrix for encoding LDPC codes?
How can I convert a large sparse parity check matrix to its systematic form so that I can obtain generator matrix for encoding L...

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How to obtain a systematic generator matrix from a large sparse parity check matrix for LDPC Codes?
How to obtain a systematic generator matrix from a large sparse parity check matrix for LDPC Codes? I cannot use "par2gen"as i...

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can i get a matlab code for progressive edge growth algorithm?
can i get a matlab code for progressive edge growth algorithm?

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