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
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
收藏
页码:1426 / 1429
页数:4
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