无线信道统计复用中一种信号解混的快速算法  

Fast A lgorithm of Separating Mixed Signals in Wireless Statistical Division Multiplexing

作　　者：苏巧[1] 沈越泓[2] 袁志钢[2] 徐鹏程[3] 

机构地区：[1]解放军理工大学通信工程学院研究生1队,江苏南京210007 [2]解放军理工大学通信工程学院 [3]解放军理工大学通信工程学院研究生4队

出　　处：《军事通信技术》2013年第4期1-6,共6页Journal of Military Communications Technology

基　　金：国家自然科学基金资助项目(61172061);江苏省自然科学基金资助项目(BK2011117)

摘　　要：实现无线信道统计复用,关键技术之一就是分离收到的时频域混合信号的算法。文章针对Marc最近提出的一种新峭度信号分离算法在计算最优步长过程中仍然运算量较大、耗时长的问题,提出了利用分离度来选择和优化步长。计算机仿真结果表明:在分离混合信号性能几乎不下降的情况下,较Marc算法显著缩短了计算步长的时间,平均缩短了75%。To realize wireless statistical division multiplexing, one of the key technique is the algorithm which separates the mixed signals on time or frequency field. This paper proposed a separation degree to select and optimize the step in response to the problem that a new kurtosis separating algorithm recently proposed by Marc still costs too much time and calculatin on computing the optimization step. Computer simulations suggest that this algorithm shortens the calculated time of the steps markedly by 75% on average while the performance of the separating mixed signals almost does not decline.

关 键 词：无线信道统计复用 新峭度算法 分离度 优化步长 

分 类 号：TN911.7[电子电信—通信与信息系统]