Performance Analysis of Two-Way Satellite Multi-Terrestrial Relay Networks with Hardware Impairments

被引：15
作者：
Guo, Kefeng [1 ]
An, Kang [2 ]
Zhang, Bangning [1 ]
Guo, Daoxing [1 ]
机构：
[1] Army Engn Univ PLA, Coll Commun Engn, Nanjing 210007, Jiangsu, Peoples R China
[2] Natl Univ Def Technol, Nanjing 210016, Jiangsu, Peoples R China
来源：
SENSORS | 2018年 / 18卷 / 05期
基金：
美国国家科学基金会;
关键词：
satellite-terrestrial networks; two-way terrestrial relays; opportunistic relay selection scheme; hardware impairments (HIs); INTEGRATED WIRELESS SENSOR; SELECTION; SYSTEMS; SCHEME;
D O I：
10.3390/s18051574
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
In this paper, we investigate the performance of a two-way hybrid satellite multi-terrestrial cooperative network with hardware impairments (HIs). Particularly, opportunistic relay selection scheme is employed in the considered network, which can substantially enhance the spectral efficiency and spatial diversity gain. By considering both the amplify-and-forward (AF) and decode-and-forward (DF) relay protocols, the closed-form expressions of the outage probability (OP) and throughput for the system are derived. Furthermore, in order to observe the effects of HIs level and the number of terrestrial relays on the system performance at high signal-to-noise ratios (SNRs), the asymptotic expressions of the system performance are also derived. Finally, computer results are presented to reveal the correctness of the analytical results.
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页数：18
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