摘要
Based on the genetic algorithm(GA),a new genetic probability decoding(GPD) scheme for forward error correction(FEC) codes in optical transmission systems is proposed.The GPD scheme can further offset the quantification error of the hard decision by making use of the channel interference probability and statistics information to restore the maximal likelihood transmission code word.The theoretical performance analysis and the simulation result show that the proposed GPD scheme has the advantages of lower decoding complexity,faster decoding speed and better decoding correction-error performance.Therefore,the proposed GPD algorithm is a better practical decoding algorithm.
基金
supported by the National Natural Science Foundation of China (Nos.61071117 and 61003256)
the Natural Science Foundation of Chongqing CSTC (No.2010BB2409)
the Science and Technology Foundation of Chongqing Municipal Education Commission (No.KJ110519)
