The distribution law of the random code structure of randomly constructed irregular low-density parity-check (LDPC) codes is studied, Based on the Progressive Edge-Growth (PEG) algorithm, a new algorithm which can...The distribution law of the random code structure of randomly constructed irregular low-density parity-check (LDPC) codes is studied, Based on the Progressive Edge-Growth (PEG) algorithm, a new algorithm which can both ellminate short cycles and keep the distribution of the random code structure is presented, The experimentsl results show that the performance of the irregular LDPC codes constructed by the new algorithm is superior to that of the PEG algorithm,展开更多
基金Supported by the National Natural Science Foundation of China (Grant No. 60172030)Huawei Science FoundationXidian ISN National Key Laboratory
文摘The distribution law of the random code structure of randomly constructed irregular low-density parity-check (LDPC) codes is studied, Based on the Progressive Edge-Growth (PEG) algorithm, a new algorithm which can both ellminate short cycles and keep the distribution of the random code structure is presented, The experimentsl results show that the performance of the irregular LDPC codes constructed by the new algorithm is superior to that of the PEG algorithm,