摘要
介绍了LDPC码的特点和优势;综述了LDPC码在码结构及其优化、译码及其性能分析、码的工程实现和应用等方面的研究进展。
This paper introduces the features and advantages of LDPC codes and surveys the recent advances in LDPC codes, which involve the code structure with its optimization, decoding, performance analysis, implementation and applications.
出处
《南京邮电学院学报(自然科学版)》
2002年第3期15-19,共5页
Journal of Nanjing University of Posts and Telecommunications
关键词
LDPC码
二分图
信度传播
TANNER图
和积算法
消息传递算法
密度演进
LDPC(lowdensity paritycheck) code
Bipartite graph
Belief propagation(BP) algorithm
Tanner graph
Sumproduct algorithm
Message passing algorithm
Density evolution