一种随机行列循环移位交织器的设计与仿真  

Design and Simulation of a Novel Random Row-column Cyclic Shift Interleaver

作　　者：刘备备[1] 巩龙延[1,2] 赵生妹[1] 郑芝芳[1] 

机构地区：[1]南京邮电大学信号处理与传输研究院,江苏南京210003 [2]南京邮电大学理学院,江苏南京210023

出　　处：《南京邮电大学学报（自然科学版）》2012年第6期58-62,共5页Journal of Nanjing University of Posts and Telecommunications：Natural Science Edition

基　　金：国家自然科学基金(10904074)资助项目

摘　　要：在分组交织器及随机交织器的基础上,设计了一种随机行列循环移位交织器。仿真结果表明,相同条件下,随机行列循环移位交织器误比特率性能明显优于分组交织器、规则行列循环移位交织器和随机交织器,与新一代移动通信长期演进技术的信道编码方案中采用的二次置换多项式交织器的性能接近。同时,该交织器对存储空间的需求较少。因此,通过进一步的优化,可以推广到实际应用中。A novel random row-column cyclic shift interleaver is designed based on block interleavers and random interleavers. Numerical simulation results show that, at the same conditions, the bit error rate （BER） performance of the novel interleaver is superior to that of block interleavers, normal row-column cyclic shift interleaver and random interleavers, and approaches to that of quadratic permutation polynomi- al （QPP） interleavers, where QPP interleavers are used in the channel coding scheme of next generation mobile communication systems. The new design of the interleaver requires less memory hardware. There- fore, it can be generalized to the practical application after further optimization.

关 键 词：交织器 TURBO码 误比特率 

分 类 号：TN911.22[电子电信—通信与信息系统]