An Effective Algorithm for Construction of LDPC Codes

摘要：

Based on the analysis of the cycle structure of quasi-cyclic codes,an effective algorithm for LDPC codes s construction is presented in this paper.The influence of cycle structure on the BER performance of LDPC codes is analyzed.We also propose a construction algorithm of LDPC codes which describes the parity-check matrix with a base matrix and a shift matrix.Simulations show that the code we construct has as good BER performance as that by PEG algorithm at the same codeword length and code rate.For having quasi-cyclic structure,the code has lower encoding complexity and can be implemented with a set of shift registers.

作者: Jing Lei Chaojing Tang Jianhui Wang

作者单位: National University of Defense Technology ChangSha Hunan ,410073,P.R.China

会议类型: 国际会议

会议名称: 2008 IEEE International Conference on Onformation and Automation(IEEE 信息与自动化国际会议)

会议地点: 张家界

会议语种:英文

页码: 1542-1546

在线出版日期: 2008-06-20（万方平台首次上网日期，不代表论文的发表时间）