On the Effect of Imperfect Cophasing in MRC and EGC Receivers Over Correlated Weibull Fading

被引：4
|
作者：
Nikolic, Bojana Z. [1 ]
Djordjevic, Goran T. [1 ]
Karagiannidis, George K. [2 ]
机构：
[1] Fac Elect Engn, Dept Telecommun, Nish 18000, Serbia
[2] Aristotle Univ Thessaloniki, Dept Elect & Comp Engn, Thessaloniki 54124, Greece
来源：
WIRELESS PERSONAL COMMUNICATIONS | 2012年 / 62卷 / 01期
关键词：
Bit error rate; Diversity; Fading channels; Simulations; Weibull distribution; EQUAL-GAIN DIVERSITY; CHANNELS; PERFORMANCE;
D O I：
10.1007/s11277-010-0036-2
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
This paper presents a comparative analysis of dual-branch maximal-ratio combining (MRC) and equal-gain combining (EGC) receivers with coherent modulations over correlated Weibull fading channels. The numerical and simulations results show the influence of imperfect cophasing, branch unbalancing and correlation on the error performance. It is interestingly shown that EGC has lower irreducible error floor than MRC in the presence of incoherent combining, while the higher value of the correlation coefficient results to lower irreducible error floor. Furthermore, the unbalance parameter has practically no influence on the irreducible error floor.
引用
收藏
页码：31 / 39
页数：9
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