Performance Analysis of Maximal Ratio Combining over Shadowed-Rice Fading Channels

被引：10
|
作者：
Ropokis, George A. [1 ,2 ]
Rontogiannis, Athanasios A. [1 ]
Berberidis, Kostas [2 ]
Mathiopoulos, P. Takis [1 ]
机构：
[1] Natl Observ Athens, Inst Space Applicat & Remote Sensing, Athens 15236, Greece
[2] Univ Patras, Dept Comp Engn & Informat, Patras 26500, Greece
来源：
2009 INTERNATIONAL WORKSHOP ON SATELLITE AND SPACE COMMUNICATIONS, CONFERENCE PROCEEDINGS | 2009年
关键词：
COMMUNICATION-SYSTEMS; SUM; DISTRIBUTIONS; VARIABLES;
D O I：
10.1109/IWSSC.2009.5286415
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
An accurate model for analyzing the performance of wireless land mobile satellite (LMS) communication systems is the shadowed-Rice (SR) fading model. In this paper, new simple expressions for the probability density function (PDF) and the cumulative distribution function (CDF) of the sum of possibly correlated non identically distributed squared SR random variables are derived. To this end, a novel approach is introduced for Laplace inverting the moment generating function (MGF) of the sum. Based on this approach the PDF is expressed in a simple infinite chi-squared series form, from which the CDF is also easily obtained. The derived statistics are used to analyze the performance of maximal ratio combining (MRC) over SR fading channels and novel closed-form expressions for various performance criteria such as the outage probability, the ergodic capacity and the bit error probability (BEP) are developed. The results of extensive Monte Carlo simulations are presented, which corroborate our theoretical analysis.
引用
收藏
页码：83 / +
页数：2
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