Unified Performance Analysis of MIMO Mixed RF/FSO Relaying System

被引：6
|
作者：
Liang, Haodong [1 ]
Li, Yiming [2 ]
Miao, Maoke [1 ]
Gao, Chao [3 ,4 ]
Li, Xiaofeng [1 ]
机构：
[1] Univ Elect Sci & Technol China, Sch Astronaut & Aeronaut, West Hitech Zone, 2006 Xiyuan Ave, Chengdu 611731, Peoples R China
[2] Aston Univ, Aston Inst Photon Technol, Birmingham B4 7ET, W Midlands, England
[3] China Elect Technol Grp Corp, Res Inst 54, 589 West Zhongshan Rd, Shijiazhuang 050000, Hebei, Peoples R China
[4] Sci & Technol Commun Networks Lab, Shijiazhuang 050000, Hebei, Peoples R China
来源：
APPLIED SCIENCES-BASEL | 2021年 / 11卷 / 07期
基金：
欧盟地平线“2020”;
关键词：
MIMO; mixed RF; FSO; decode– and– forward;
D O I：
10.3390/app11073054
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
This paper investigates the asymmetric dual-hop multiple input multiple output (MIMO) mixed radio frequency (RF)/free space optical (FSO) decode-and-forward (DF) relaying system. This kind of system can utilize two different fading characteristic channels to reduce the possibility of the system falling into deep fading. In addition, each link of the system adopts MIMO technology to mitigate the disadvantages of fading. In this paper, the closed form expressions of the outage probability, bit error rate (BER) and average ergodic capacity are derived. The approximate expression of the system outage probability considering the pointing error is also derived. Additionally, asymptotic performance for diversity order and diversity-multiplexing tradeoff (DMT) of the system is analyzed and discussed, which provides direct theoretical basis for practical engineering design.
引用
收藏
页数：16
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