MIMO系统中最大化信道容量的联合发射与接收天线选择算法  

Joint transmit and receive antenna selection in mimo systems for maximize channel capacity

作　　者：兰鹏[1,2] 刘琚[1,2] 许宏吉[1] 孙丰刚[1] 

机构地区：[1]山东大学信息科学与工程学院,山东济南250100 [2]东南大学移动通信国家重点实验室,江苏南京210096

出　　处：《通信学报》2009年第7期7-12,共6页Journal on Communications

基　　金：国家自然科学基金资助项目(60572105);山东省自然科学基金资助项目(Y2007G04);移动通信国家重点实验室开放基金资助项目(W200802);综合业务网国家重点试验室开放基金资助项目(ISN-9-03);教育部新世纪优秀人才支持计划(NCET-05-0582)~~

摘　　要：基于对信道容量公式的分析,得到了增加一对发射与接收天线时信道容量增量的表达式,通过对该表达式的分析简化提出了当发射端与接收端射频链路数相同时的低复杂度联合发射与接收天线选择(JTRAS)算法。仿真结果表明新算法在计算复杂度较低的条件下性能优于目前存在的其他算法,与最优算法接近。Based on the analysis of the channel capacity, the equation about the increase of the channel capacity was derived when one more pair of transmit and receive antennas were added. By analyzing this equation, a joint transmit and receive antennas selection algorithm with low complexity were proposed when there were the same number of RF chains at both of the transmitter and receiver side. The simulation results illustrate that the new algorithm outperforms the other existing algorithms with lower complexity and it approaches the optimal algorithm most.

关 键 词：多输入多输出系统 天线选择 信道容量 中断容量 

分 类 号：TN911.7[电子电信—通信与信息系统]