传感器网络中分布式信源Turbo编码研究  

Sensor Networks Implementation Analysis Using Turbo Code in Distribute Source Coding

作　　者：薛青娜[1] 校江超[2] 

机构地区：[1]西安铁路职业技术学院,西安710014 [2]西安工业大学,西安710032

出　　处：《微处理机》2010年第5期86-89,92,共5页Microprocessors

摘　　要：首先分析了Turbo码的关键技术,然后根据分布式信源编码的应用要求,通过优化Turbo推导相应的非二进制译码算法,构建了实用的高性能分布式信源编译码结构。最后通过无线传感器网络验证了所提出的相关结论,并证实了该算法在满足一定的可靠性前提下,能够有效地压缩信源速率。First analysis Turbo coding technology,and according to the application requirement of distribute source coding,and the relative non-binary Turbo decoding algorithm is modified to construct the scheme of high performance distributed source coding.In the end,the conclusion is validated by wireless sensor network,and simulation results show that the scheme can reduce the source information rate,and guarantee the dependability simultaneously.

关 键 词：TURBO码 分布式信源编码 传感器网络 

分 类 号：TN971.1[电子电信—信号与信息处理]