BER Performance of MIMO System Employing Fast Antenna Selection Scheme Under Imperfect Channel State Information

被引：0
|
作者：
Wang, Feng [1 ]
Liu, Xia [1 ]
Bialkowski, Marek E. [1 ]
机构：
[1] Univ Queensland, Sch Informat Technol & Elect Engn, Brisbane, Qld, Australia
来源：
2010 4TH INTERNATIONAL CONFERENCE ON SIGNAL PROCESSING AND COMMUNICATION SYSTEMS (ICSPCS) | 2010年
关键词：
MIMO; CSI; BER; Antenna Selection;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, a closed-form expression for Bit Error rate (BER) of a Multiple-Input Multiple-Output (MIMO) system employing the Minimum Mean Square Error MMSE channel estimation method is derived. The numerical results show that when the Channel State Information (CSI) is free of estimation errors BER decreases when the number of receive antennas increases. However under imperfect CSI, BER is getting worse when the number of Rx antennas is increased. In order to improve BER, a fast antenna selection scheme is proposed. The obtained numerical results prove that the proposed antenna selection scheme indeed improves the MIMO system BER performance.
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页数：4
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