基于伪并行遗传算法的MC-CDMA多用户检测技术研究  

Research on Multiuser Detection for MC-CDMA System Based on Pseudo Parallel Genetic Algorithm

作　　者：陈国峰[1] 栾英姿[1] 杨宇冰[1] 

机构地区：[1]西安电子科技大学,陕西西安710071

出　　处：《现代电子技术》2010年第9期48-51,共4页Modern Electronics Technique

摘　　要：介绍MC-CDMA的多用户检测技术。在分析频率选择衰落信道中单小区MC-CDMA系统上行多址干扰的基础上,引入基于"联姻"策略的伪并行遗传算法用于多用户检测技术。通过仿真表明,与解相关和MMSE检测器以及传统遗传算法应用于MUD中相比,其在误比特率性能上更加优秀,而运行时间却明显小于最佳多用户检测。An improved pseudo parallel genetic algorithm based on multiuser detection（MUD） is proposed for the multicarrier code-division multiple-access（MC-CDMA） system in the frequency-selective fading channel.The pseudo parallel genetic algorithm based on the allied strategy of human being is used in MUD technology.Simulation analysis shows that the pseudo parallel genetic algorithm based on allied strategy of human being has better performance than DEC,MMSE and tradition GA used in MUD for MC-CDMA systems,and it can provide 97.5% in computational complexity than the optimal multiuser detection.

关 键 词：MC-CDMA 多用户检测 伪并行遗传算法 MMSE 

分 类 号：TN914[电子电信—通信与信息系统]