Effective capacity of MIMO free-space optical systems over gamma-gamma turbulence channels

被引：13
|
作者：
Chen, Li [1 ]
Wang, Weidong [1 ]
机构：
[1] Univ Sci & Technol China, Chinese Acad Sci, Opt Wireless Commun Key Lab, Hefei 230027, Anhui, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2017年 / 382卷
关键词：
Free-space optical communication; Multiple-input multiple-output; Effective capacity; WIRELESS COMMUNICATION-SYSTEMS; AVERAGE CAPACITY; OUTAGE CAPACITY; LINKS;
D O I：
10.1016/j.optcom.2016.08.025
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this paper, we provide the capacity limits of multiple-input multiple-output (MIMO) free-space optical communication (FSO) system in the presence of quality of service (QoS) requirements. Closed-form expression for the effective capacity of MIMO FSO system with equal gain combining (EGC) is derived. In order to provide insights into the impact of various system parameters, asymptotic expressions are further analyzed in the high signal-to-noise ratio (SNR) regime. Special cases are provided according to the derived results at the same time. Numerical results are given to validate all the analytical results, and the influences of QoS requirements and MIMO configurations are also illustrated. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：450 / 454
页数：5
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