NDLI: Decode-and-forward relaying in mixed η − μ and gamma

Content Provider	IET Digital Library
Author	Sharma, Nikhil Bansal, Ankur Garg, Parul
Abstract	In this study, the authors carry out the performance analysis of an asymmetric dual hop relay system composed of both radio-frequency (RF) and free-space optical (FSO) links. The RF link is subject to generalised η − μ distribution, while the channel for FSO link is modelled as gamma–gamma distribution. The decode-and-forward relaying phenomena is used, where the relay decodes the received RF signal from the source and converts it into an optical signal using the sub-carrier intensity-modulation (SIM) scheme for transmission over the FSO link. The FSO link is subjected to pointing errors and account for both types of detection techniques, i.e. IM/DD and heterodyne detection. Novel exact closed-form expressions for the probability density function and cumulative distribution function of the equivalent end-to-end signal-to-noise ratio of the mixed RF/FSO system in terms of Meijer's G function are derived. Capitalising on these derived channel statistics, they provide the new closed-form expressions of outage probability and the ergodic channel capacity. They also provide the average bit-error rate for different binary modulations. Furthermore, the Monte Carlo simulations validate the analytical results.
Starting Page	1769
Ending Page	1776
Page Count	8
ISSN	17518628
Volume Number	10
e-ISSN	17518636
Issue Number	Issue 14, Sep (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/10/14
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2015.0992
Journal	IET Communications
Publisher Date	2016-09-20
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Asymmetric Dual Hop Relay System Average Bit-error Rate Channel Capacity Cumulative Distribution Function Decode And Forward Communication Decode-and-forward Relaying Free Space Optical Link FSO Link Gamma Distribution Gamma-gamma Dual Hop Transmission System Gamma–gamma Distribution Generalised Η − Μ Distribution Monte Carlo Method Monte Carlo Simulation Method Probability Probability Density Function Radio Link And Equipment Radiofrequency Link Subcarrier Intensity-modulation Scheme
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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