Modified Decoding Algorithm of Low Density Parity Check Code Using BPSK Modulation

Provided by: International Journals of Advanced Information Science and Technology (IJAIST)
Topic: Security
Format: PDF
Low-Density Parity-Check (LDPC) codes belong to class of linear block codes. The presently used LDPC code in optical fibre communication systems is not give the good bit error rate at low value of signal to noise ratio. So the decoding algorithm of LDPC code can be modified and with which the bit error rate can be improved. It is a very powerful code for forward error correction system. This modification is beneficial for the high speed fibre optic communication systems.

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