自适应蚁群算法在CDMA多用户检测中的应用  

Application of adaptive ant colony algorithm to CDMA multiuser detection

作　　者：张志伟[1] 庞伟正[1] 

机构地区：[1]哈尔滨工程大学信息与通信工程学院,黑龙江哈尔滨150001

出　　处：《应用科技》2006年第4期43-46,共4页Applied Science and Technology

摘　　要：提出一种基于自适应蚁群算法(adaptive ant colony algorithm)的CDMA多用户检测(MUD)方法.该方法利用匹配滤波器的输出作为初始值,采用自适应选择和动态调节的进化策略,以及搜索过程中最优解的筛选方法来解决多用户检测问题.仿真结果表明,该方法能快速找到全局最优解,并且能得到很好的误码率性能.A CDMA multi-user detection method is introduced based on an adaptive ant colony algorithm. This method uses the output of the matched filter as the initial values to solve the problem of multi-user detection with the evolutional strategy of adaptive selection and dynamic regulation and the filtering method of optimal solution in the prouss of searching. Through simulation, it shows that the optimal solution can be found by using this method, and the better bit error ratio is obtained.

关 键 词：多用户检测 自适应蚁群算法 码分多址 

分 类 号：TN929.5[电子电信—通信与信息系统]