摘要
分布式信源编码是无线传感器网络领域研究的新热点,阐述了分布式编码的基础理论,介绍了应用于分布式编码的LDPC编码方法和多级编码方案,最后提出了一种基于LPDC码的分布式多级编码方案实现分布式多进制相关信源编码,并且比较了不同相关性下分布式多进制信源编码的性能。
Distributed source coding is a new hot spot in the wireless sensor network area.This paper introduces the fundamental theory of distributed ceding,then LDPC coding and multilevel coding methods applied in distributed coding are given.Finally,a distributed multilevel coding method is proposed to realize correlated M-ary sources coding and in the case of different correlation between two sources the performances of distributed correlated M-sty sources coding are compared.
出处
《计算机工程与应用》
CSCD
北大核心
2009年第15期126-129,共4页
Computer Engineering and Applications
基金
北京市自然科学基金No.4072019~~
关键词
分布式编码
低密度检验码
多级编码
distributed coding
Low Density Parity Check（LPDC）
multilevel coding
