Receive Antenna Selection for MIMO Systems over Correlated Fading Channels

被引:26
|
作者
Zhang, Yangyang [1 ]
Ji, Chunlin [2 ]
Malik, Wasim Q. [3 ,4 ]
O'Brien, Dominic C. [1 ]
Edwards, David J. [1 ]
机构
[1] Univ Oxford, Dept Engn Sci, Oxford OX1 3PJ, England
[2] Duke Univ, Inst Stat & Decis Sci, Durham, NC 27708 USA
[3] MIT, Dept Brain & Cognit Sci, Cambridge, MA 02139 USA
[4] Harvard Univ, Massachusetts Gen Hosp, Sch Med, Boston, MA 02114 USA
基金
英国工程与自然科学研究理事会;
关键词
Channel capacity; correlated channel; cross entropy optimization (CEO); MIMO wireless systems; receive antenna selection; SPATIAL MULTIPLEXING SYSTEMS; CAPACITY; OPTIMIZATION;
D O I
10.1109/TWC.2009.071404
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 letter, we propose a novel receive antenna selection algorithm based on cross entropy optimization to maximize the capacity over spatially correlated channels in multiple-input multiple-output (MIMO) wireless systems. The performance of the proposed algorithm is investigated and compared with the existing schemes. Simulation results show that our low complexity algorithm can achieve near-optimal results that converge to within 99% of the optimal results obtained by exhaustive search. In addition, the proposed algorithm achieves near-optimal results irrespective of the mutual relationship between the number of transmit and receive antennas, the statistical properties of the channel and the operating signal-to-noise ratio.
引用
收藏
页码:4393 / 4399
页数:7
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