斜纹结构的编织卷积码性能分析与仿真  

Performance and simulation of WCCs with Twill structure

作　　者：王军勇[1] 王琳[1] 王丹[1] 魏琴芳[1] 

机构地区：[1]重庆邮电学院编码技术研究所,重庆400065

出　　处：《重庆邮电学院学报（自然科学版）》2005年第4期414-417,共4页Journal of Chongqing University of Posts and Telecommunications(Natural Sciences Edition)

基　　金：国家自然科学基金资助项目(60272005);国家"863"资助项目(2001AA123061)

摘　　要：主要研究了斜纹结构的编织卷积码(WCCs)在编码设计中活性距离和交织器对其性能的影响。通过系统仿真,结果表明在AWGN信道下,发现斜纹WCCs的系统性能将受到系统传输帧长、编码器归零方式及编码器个数的影响,因此适当地选择了编码器和交织器,能使其误码性能更加优越,且没有错误地板效应。In this paper, the anthors analyze the influence of the active distance and interleaver of WCCs with Twill structure on it's error-correcting performance. Finally, simulation results of WCCs with Twill structure over AWGN show that BER performance is affected greatly by the transmission frame length, return-to-zero mode and the number of encoders, and also indicate that proper selection of encoder and interleaver can improve error-correcting performance greatly and has no error floor.

关 键 词：斜纹结构 迭代译码 归零方式 错误地板 

分 类 号：TN911[电子电信—通信与信息系统]