Optimal Receive Soft Antenna Selection for MIMO Interference Channels

被引：15

作者：

Ahmadi-Shokouh, J. ^{[1
]}

Jamali, S. H. ^{[2
]}

Safavi-Naeini, S. ^{[1
]}

机构：

[1] Univ Waterloo, Dept Elect & Comp Engn, Waterloo, ON N2L 3G1, Canada

[2] IMS Inc, Waterloo, ON, Canada

来源：

IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS | 2009年 / 8卷 / 12期

基金：

加拿大自然科学与工程研究理事会;

关键词：

MIMO systems; fading channels; interference; information theory; array signal processing; antenna selection; passive circuits; capacity;

D O I：

10.1109/TWC.2009.12.081029

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：

A Soft Antenna Selection (SAS) method is basically implemented by a Linear Network (LN) which is located in RF domain of Multiple Input Multiple Output (MIMO) systems. In this paper, we find the receive optimum SAS for MIMO spatial multiplexing and diversity transmissions when both of noise and interference exist in the system. The optimization is applied for two practical cases where the transmitter either has access to the Channel State Information (CSI) or does not. Moreover, we investigate the optimization for both no-constraint SAS and Phase Shift Based SAS (PSB-SAS) modules. A Two Dimensional (2D) spatial presentation is used to model the interference. We evaluate the performance of the SAS technique over a Rician channel via computer simulations. The simulation results show a MIMO system with optimum SAS achieves the performance of the full-complexity MIMO for the whole range of interference-to-noise ratios.

引用

页码：5893 / 5903

页数：11

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