Closed-Form BER Analysis of Alamouti-MRC Systems with ICSI in Ricean Fading Channels

被引：5
|
作者：
Javier Lopez-Martinez, F. [1 ]
Martos-Naya, Eduardo [1 ]
Wong, Kai-Kit [2 ]
Tomas Entrambasaguas, J. [1 ]
机构：
[1] Univ Malaga, Dpto Ingn Comunicac, E-29071 Malaga, Spain
[2] UCL, Dept Elect & Elect Engn, London WC1E 6BT, England
来源：
IEEE COMMUNICATIONS LETTERS | 2011年 / 15卷 / 01期
关键词：
Alamouti; BER; channel estimation errors; MRC; QAM; Ricean fading; SELECTION-COMBINING SCHEMES; EXACT ERROR PERFORMANCE; MIMO CHANNELS; DIVERSITY; NETWORKS; CODE;
D O I：
10.1109/LCOMM.2010.111910.101680
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
In this letter, we derive an exact closed-form expression for the bit error rate (BER) of an M-ary quadrature amplitude modulation (QAM) multiple-input multiple-output (MIMO) 2 x N(R) system that employs Alamouti's space time block code (STBC) transmission and maximal ratio combining (MRC) reception, when imperfect channel state information (ICSI) is considered in a Ricean fading channel. An approximate yet accurate expression for the BER is also provided when a strong line of sight (LOS) component is considered. It is observed that the loss of orthogonality of Alamouti's code due to ICSI leads to a non-negligible noise enhancement.
引用
收藏
页码：46 / 48
页数：3
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