Viterbi算法的关键问题研究及DSP实现  

Study on the Main Problems of Viterbi Algorithm and the Realization of DSP

作　　者：陈源[1] 江修富[1] 

机构地区：[1]装备指挥技术学院测量控制系,北京101416

出　　处：《装备指挥技术学院学报》2005年第5期77-81,共5页Journal of the Academy of Equipment Command & Technology

摘　　要：简要介绍了卷积码的基本概念;给出了通信系统中用于解卷积编码的Viterbi算法的计算过程;通过对路径度量值的深入研究,针对该算法付诸实现的若干关键问题,提出了可行性解决方案;最后以TI公司的TMS320C54X为例,提出利用高速DSP(digital signal processor)器件实现该译码算法的通用方法.The paper introduces the theory of Convolution-code, analyzes the main process of the Viterbi algorithm, which is applied in digital communication. It also discusses the resolution to several core problems of the implementation by thoroughly analyzing the distance scale. Finally, it brings up the DSP generation of the algorithm with TMS320C54X of the TI Company.

关 键 词：VITERBI算法 度量值 数字信号处理器 

分 类 号：TN919[电子电信—通信与信息系统]