Average level crossing rate and average fade duration of diversity methods

被引：0
|
作者：
Dong, XF [1 ]
Beaulieu, NC [1 ]
机构：
[1] Univ Alberta, Dept Elect & Comp Engn, Edmonton, AB T6G 2G7, Canada
来源：
COMMUNICATIONS, INFORMATION AND NETWORK SECURITY | 2003年 / 712卷
关键词：
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The analytical expressions of average level crossing rate (LCR) and average fade duration (AFD) of the output signal of a diversity combiner are presented in this paper. Exact, closed-form results are obtained for maximal ratio combining (MRC) diversity operating on independent and identical Ricean fading branches, while accurate approximations for equal gain combining (EGC) diversity are presented with an infinite series method. Exact expressions for MRC diversity combined non-identical Rayleigh fading signals are derived for diversity orders of two, three and four. Also, the simple closed-form results of these two quantities for selection diversity in generalized fading with non-identical branch powers are obtained. To the best of the authors' knowledge, these results are new.
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页码：181 / 203
页数：23
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