Performance of Decode-and-Forward Relaying in Mixed Beaulieu-Xie andMDual-Hop Transmission Systems With Digital Coherent Detection

被引：17

作者：

Hu, Jiashun ^{[1
]}

Zhang, Zaichen ^{[1
,2
]}

Dang, Jian ^{[1
]}

Wu, Liang ^{[1
]}

Zhu, Guanghao ^{[3
]}

机构：

[1] Southeast Univ, Natl Mobile Commun Res Lab, Nanjing 210096, Peoples R China

[2] Purple Mt Labs, Nanjing 211111, Peoples R China

[3] Nanjing Univ, Sch Elect Sci & Engn, Nanjing 210023, Peoples R China

来源：

IEEE ACCESS | 2019年 / 7卷

关键词：

Mixed RF/FSO systems; digital coherent detection; Beaulieu-Xie fading; Malaga turbulence; decode-and-forward relaying; SPACE OPTICAL COMMUNICATION; TURBULENCE CHANNELS; POINTING ERRORS; RF/FSO; RAYLEIGH; LINKS; GAIN;

D O I：

10.1109/ACCESS.2019.2942992

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Performance analysis is presented for a decode-and-forward protocol based mixed radiofrequency (RF) and free-space optical (FSO) dual-hop transmission system with digital coherent detection. The RF path is modeled by Beaulieu-Xie fading, while the FSO hop is characterised by the Malaga (M) distributed turbulence with pointing errors. We first derive novel and exact analytical expressions for the cumulative distribution function (CDF), the probability density function and the moment generating function (MGF) of the overall signal-to-noise ratio by means of Meijer's G function, followed by the accurate infinite series expressions of the performance criterions, such as the outage probability, the average bit-error rate (BER) and the ergodic capacity (average channel capacity). Asymptotic analysis for the CDF, the MGF, the outage probability, the average BER, and the ergodic capacity is also provided. Monte Carlo simulations are performed to verify these derived expressions.

引用

页码：138757 / 138770

页数：14

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