SIMO Diversity Reception in Rayleigh and Rician Fading with Imperfect Channel Estimation

被引：0
|
作者：
Vasavada, Yash M. [1 ]
Beex, A. A. [2 ]
Reed, Jeffrey H. [2 ]
机构：
[1] DA IICT, Gandhinagar, Gujarat, India
[2] Virginia Polytech Inst & State Univ, Blacksburg, VA 20878 USA
来源：
2016 INTERNATIONAL CONFERENCE ON ADVANCES IN COMPUTING, COMMUNICATIONS AND INFORMATICS (ICACCI) | 2016年
关键词：
RATIO DIVERSITY; COMBINERS; ERRORS;
D O I：
暂无
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
Several new results are presented for optimum (diversity) combining with imperfect channel estimates (OC-ICE). A thresholding effect is demonstrated for the Rician fading channel; it is shown that the OC-ICE performance is near optimal (i.e., similar to that for the maximum ratio combiner (MRC)) below a (Rician K factor dependent) threshold irrespective of the pilot channel received SNR. Above the threshold, the performance degrades and in certain cases approaches the performance of the Rayleigh fading case. A new analytical evaluation of the bit error probability of the OC-ICE in Rician fading is presented. This analysis is based on an observation made in this paper that an effect of imperfect channel estimates is to effectively lower the Rician K factor.
引用
收藏
页码：88 / 94
页数：7
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