Efficient Capacity-Based Joint Transmit and Receive Antenna Selection Schemes in MIMO Systems

Ying Rao WEI, Mu Zhong WANG

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Summary :

In this letter, we propose two different joint transmit and receive antenna subset selection schemes for multiple-input multiple-output (MIMO) systems on the basis of capacity maximization criterion. We assume that perfect channel state information (CSI) is known at the receiver but unknown to the transmitter. As the selection signaling is perfectly fed back to the transmitter, we propose a flexible two-step selection algorithm (TSSA) in practical MIMO channel scenarios. Computer simulations show that TSSA can maximize the capacity at low computation cost in most scenarios. It performs well in terms of capacity, computational complexity and flexibility. Furthermore, we propose a simplified algorithm based on the correlation matrix when the channel correlation information (CCI) is known to the transmitter. Simulation results show that the proposed correlation matrix based selection algorithm is only slightly inferior to an optimal selection algorithm.

Publication
IEICE TRANSACTIONS on Communications Vol.E90-B No.2 pp.372-376
Publication Date
2007/02/01
Publicized
Online ISSN
1745-1345
DOI
10.1093/ietcom/e90-b.2.372
Type of Manuscript
LETTER
Category
Wireless Communication Technologies

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