Transmit Antenna Selection for Spatial Multiplexing UWB MIMO Systems Using Sorted QR Decomposition

被引：0

作者：

Kim, Sangchoon ^{[1
]}

机构：

[1] Dong A Univ, Pusan 604714, South Korea

来源：

IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES | 2012年 / E95A卷 / 08期

关键词：

ultra-wideband (UWB); spatial multiplexing; multiple input multiple output (MIMO); sorted QR decomposition; transmit antenna selection; SUCCESSIVE INTERFERENCE CANCELLATION;

D O I：

10.1587/transfun.E95.A.1426

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

In this letter, a post-detection signal to noise ratio (SNR) is considered for transmit antenna selection, when a sorted QR decomposition (SQRD) algorithm is used for signal detection in spatial multiplexing (SM) ultra-wideband (UWB) multiple input multiple output systems. The post-detection SNR expression is obtained using a QR factorization algorithm based on a sorted Gram-Schmidt process. The employed antenna selection criterion is to utilize the largest minimum post-detection SNR value. It is shown via simulations that the antenna selection significantly enhances the BER performance of the SQRD-based SM UWB systems on a log-normal multipath fading channel.

引用

页码：1426 / 1429

页数：4

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