Performance analysis of dual switched diversity over correlated Weibull fading channels with co-channel interference

被引：15
|
作者：
Cvetkovic, Aleksandra M. [1 ]
Djordjevic, Goran T. [1 ]
Stefanovic, Mihajlo C. [1 ]
机构：
[1] Univ Nis, Fac Elect Engn, Dept Telecommun, Nish 18000, Serbia
来源：
INTERNATIONAL JOURNAL OF COMMUNICATION SYSTEMS | 2011年 / 24卷 / 09期
关键词：
co-channel interference; correlated fading; diversity techniques; switch and stay combining; Weibull fading; OUTAGE PROBABILITY ANALYSIS; CELLULAR MOBILE RADIO; SELECTION DIVERSITY; SYSTEMS; GENERATION;
D O I：
10.1002/dac.1220
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：
This paper studies the performance of switch and stay combining (SSC) diversity in the presence of co-channel interference over correlated Weibull fading channels. SSC diversity based on signal-to-interference ratio (SIR) is a low-complexity and a very efficient technique that reduces fading and co-channel interference influence. New closed-form expressions for the probability density function and cumulative distribution function of the output SIR's are derived. These formulas are used in a detailed analysis of the average output SIR and outage probability. The influence of fading severity and correlation coefficient on the optimum switching threshold and system performance is investigated. Monte Carlo simulations are performed to verify obtained theoretical results and determine average bit error rate in detecting binary phase-shift keying (BPSK), differential BPSK and quadrature amplitude modulation signals. Copyright (C) 2011 John Wiley & Sons, Ltd.
引用
收藏
页码：1183 / 1195
页数：13
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