Study on the distribution law of random code structure of irregular LDPC codes and its application in eliminating short cycles

作     者：MA LinHua CHANG YiLin Wang ShengDa 

作者机构：State Key Laboratory of Integrated Service Networks Xidlan University Xi'an 710071 China Aeronauiical Electronics Engineering Department Air Force Engineering University Engineering Institute Xi'an 710038 China 

出 版 物：《Science in China(Series F)》 (中国科学（F辑英文版）)

年 卷 期：2007年第50卷第1期

页      面：99-104页

核心收录：

学科分类：11[军事学] 1105[军事学-军队指挥学] 0839[工学-网络空间安全] 08[工学] 110505[军事学-密码学] 110503[军事学-军事通信学] 

基　　金：Supported by the National Natural Science Foundation of China (Grant No. 60172030) Huawei Science Foundation Xidian ISN National Key Laboratory 

主　　题：Low-density parity.check codes cycles random code structure random distribution characteristics 

摘      要：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,