On the Effect of Correlation on the Performance of Dual Diversity Receivers in Lognormal Fading

被引：11
|
作者：
Skraparlis, Dimitrios [1 ]
Sandell, Magnus [2 ]
Sakarellos, Vasileios K. [1 ]
Panagopoulos, Athanasios D. [1 ]
Kanellopoulos, John D. [1 ]
机构：
[1] Natl Tech Univ Athens, Dept Elect & Comp Engn, GR-15780 Zografos, Greece
[2] Toshiba TREL, Bristol, Avon, England
来源：
IEEE COMMUNICATIONS LETTERS | 2010年 / 14卷 / 11期
关键词：
Bit-error probability; correlation; lognormal fading; moment generating function; receiver diversity combining; ZEROS;
D O I：
10.1109/LCOMM.2010.100810.101233
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
The bivariate lognormal distribution has been extensively utilized for modeling the fading gains of dual branch diversity receivers in both indoor and outdoor communication systems. The contribution of this letter is twofold: firstly, a general expression for the average bit-error probability (BEP) of diversity combining with two correlated lognormal fading branches is presented, based on a Gauss-Hermite sum approximation to the moment generating function. Secondly, using the proposed expression, it is shown that correlation can be viewed as an increase in the standard deviations of an equivalent diversity system with uncorrelated lognormal fading gains.
引用
收藏
页码：1038 / 1040
页数：3
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