COMBINED TRANSMIT ANTENNA SELECTION AND DETECTION OVER SPATIAL CORRELATED MIMO SYSTEMS

查看全文 作　　者：Meng [1,3]Qingmin;Hua [2]Jingyu;You [3]Xiaohu;Zhuang [4]Xiangyang

机构地区：[1]College of Telecommunications and Information Engineering. Na~jing University of Posts and Telecommunications, Nanjing 210003, China;[2]College of Information Theory, Zhejiang University of Technology, Hangzhou 310032, China;[3]National Mobile Communications Research Lab, Southeast University Nanjing 210096, China;[4]Motorola Labs-Commun. System Research Lab, 1301 E. Algonquin Road, Schaumburg, IL 60196, USA

出　　处：《Journal of Electronics(China)》索引2007年第24卷第6期,共8页

基　　金：Supported by the National Natural Science Foundation of China (No.60496311);China High-Tech 863 Plan (No.2006AA01Z264). 摘　　要：In this paper a method that combines transmit antenna selection and reduced-constellation detection in spatially correlated Multi-Input Multi-Output (MIMO) fading channels is presented. To mitigate the performance degradation caused by the use of antenna selection that is based on correlation among columns, an iterative receiver scheme that uses only a subset of the constellation points close to the expected symbol value estimated in the previous iteration is proposed. The size of the subset can adapt to the maximum correlation of the sub-matrix after the simple antenna selection. Furthermore, the error rate performance of the scheme under linear Minimum Mean Square Error (MMSE) or Ordered Successive Interference Cancellation (OSIC) for the first run detection and different interleaver lengths is investigated while the transmit antenna selection is considered. The simulation results show a sig- nificant advantage both for implementation complexity and for error rate performance under a fixed data rate. 关键词：信号处理信号检测设计方案通信技术

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COMBINED TRANSMIT ANTENNA SELECTION AND DETECTION OVER SPATIAL CORRELATED MIMO SYSTEMS

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