In this paper a modified offsetmin-sum decoding algorithm for Low-Density Parity Check Codes is presented. In this modified algorithm, the offset factor in the original offsetmin-sumalgorithm is adjusted iterativel...
详细信息
ISBN:
(纸本)9781424455379
In this paper a modified offsetmin-sum decoding algorithm for Low-Density Parity Check Codes is presented. In this modified algorithm, the offset factor in the original offsetmin-sumalgorithm is adjusted iteratively with the assistance of the check-node computation outputs of the normalizedmin-sumalgorithm. As a result, the offset factor in our modified algorithm can be calculated adaptively and more efficiently according to the previous decoding procedure, which can minimize the decoding degradation compared with the Belief Propagation decoding algorithm. The simulation results show that, compared with the original offsetmin-sum decoding algorithm, our modified algorithm can achieve noticeable performance improvement with minor extra hardware complexity. For example, when BER is 10-5, our algorithm can achieve 0.1dB and 0.2dB decoding gain over offsetmin-sumalgorithm for regular and irregular LDPC codes respectively.
In this paper a modified offsetmin-sum decoding algorithm for Low-Density Parity Check Codes is *** this modified algorithm,the offset factor in the original offsetmin-sumalgorithm is adjusted iteratively with the ...
详细信息
In this paper a modified offsetmin-sum decoding algorithm for Low-Density Parity Check Codes is *** this modified algorithm,the offset factor in the original offsetmin-sumalgorithm is adjusted iteratively with the assistance of the check-node computation outputs of the normalizedminsum *** a result,the offset factor in our modified algorithm can be calculated adaptively and more efficiently according to the previous decoding procedure,which can minimize the decoding degradation compared with the Belief Propagation decoding *** simulation results show that,compared with the original offsetmin-sum decoding algorithm,our modified algorithm can achieve noticeable performance improvement with minor extra hardware *** example,when BER is 10 5,our algorithm can achieve 0.1dB and 0.2dB decoding gain over offsetminsumalgorithm for regular and irregular LDPC codes respectively.
暂无评论