A performance study of a hybrid 5G RF/FSO transmission system

The Gaussian Q-function (GQF) and its integer powers are quite versatile in various fields of science. In most applications, it is involved in intractable integrals for which closed-form expressions cannot be evaluated. In this paper, six new bounds for the GQF are presented and their tightness and simplicity are discussed compared to existing ones. As an application, these bounds can be efficiently used to evaluate in closed-form upper bounds for the average symbol error rate for various modulation schemes, in the presence of a generalized fading channel whose probability density function can be written as a summation of a particular Bivariate Fox's H-functions. α − µ, κ − µ shadowed, and Málaga distribution models have been considered as particular cases of such distribution. To gain more insight into the system reliability, asymptotic closed-form expressions for the system's ASER over the above fading models are further derived and interesting discussions on the key fading parameters' impact are made. Numerical results and simulations reveal the tightness of the proposed bounds compared to previous ones, while they keep almost the same complexity. INDEX TERMS Bivariate H-function, Erfc function, Gaussian Q-function, Málaga distribution, refinement of bounds, symbol error rate, univariate H-distribution, α − µ fading, κ − µ shadowed fading.

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“…Besides, µ 1 and µ 2 refer to the average and electrical SNR, respectively. Note that both α and β are positive numbers [26].…”

Section: A Bounds For Aser Based On U (4)mentioning

confidence: 99%

New Tight Bounds for the Gaussian Q-Function and Applications

2020

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“…, and Even though (13) is expressed in terms of non-elementary functions, it can be easily implemented using built-in Meijer's G-function in Matlab, or by the Fox's H-function implementation in Matlab [24].…”

Section: Statistical Properties Of the End-to-endmentioning

confidence: 99%

On the Secrecy Performance of Mixed RF/UOW Communication System

Illi

Bouanani

Costa

et al. 2018

2018 IEEE Globecom Workshops (GC Wkshps)

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In this paper, the secrecy performance of a dual-hop mixed radio-frequency/underwater optical wireless communication (RF/UOWC) system is investigated. The considered system consists of one single antenna source node (S) communicating with one destination node (D), considered as the legitimate receiver, through the help of one amplify-and-forward (AF) relay node R equipped with multiple antennas for reception. Specifically, the relay receives the incoming signal from S via an RF link, applies maximal-ratio combining (MRC) technique, amplifies the output combined signal with a fixed gain, and then forwards it to D via an UOWC link. The transmission protocol is performed under the eavesdroppers' attempt to overhear the RF link (i.e., S −R). We derive an exact closed-form expression for the secrecy intercept probability (IP) in terms of the Fox's H-function, or in terms of the Meijer's G-function as a particular case. The derived secrecy performance metric is evaluated in terms of various channel and system parameters, and corroborated by Monte-Carlo simulation method. Our derived analytical formulas present an efficient tool to highlight the impact of some system and channel parameters on the secrecy performance, namely the number of relay antennas, number of eavesdropping nodes, relay gain, fading severity of RF links, and water turbulence severity of the UOWC link.

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“…Optical  wireless (OW) communicationsas well as asymmetrical radio frequency (RF)-OW communications are relevant research topic within academia and industry for future 5G and even beyond 5G (B5G) network deployments (Hamza et al, 2018;Khalighi & Uysal, 2014;Illi et al, 2017;Douik et al, 2016). The OW communications are primarily intended to speed up the transmission rate and ensure higher capacity and wider bandwidth compared to RF links.…”

Section: Introductionmentioning

confidence: 99%

First order outage statistics of asymmetrical RF-OW dual-hop relay communications

Panić¹,

Mohanchenko²,

Stefanović³

et al. 2020

Univ thought Publ nat sci

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This paper addresses the first-order outage statistics of asymmetrical radio frequency (RF)-optical wireless (OW) relay systems over non turbulent-induced-fading (nTIF) and turbulent-induced-fading (TIF) channels. We rely on dual-hop amplify-and-forward relay (AFR) scheme and provide detailed mathematical development for derivation of novel exact analytical as well as novel closed form approximative expressions for: i). cumulative distribution function, ii.) outage probability, and iii.) average bit-error-rate. The system under consideration is modeled as the product of independent Nakagmi-m and double squared Nakagami-m (also known as Gamma-Gamma) random processes. The obtained results of the proposed system are graphically presented for RF -OW TIF and nTIF channel sets of parameters. Moreover, the detailed comparisons of exact and approximated numerical results whose derivation resorts on exponential Laplace approximation method (LAM) are provided and thoroughly examined for the considered RF-OW statistical measures.

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A performance study of a hybrid 5G RF/FSO transmission system

Cited by 44 publications

References 14 publications

New Tight Bounds for the Gaussian Q-Function and Applications

New Tight Bounds for the Gaussian Q-Function and Applications

On the Secrecy Performance of Mixed RF/UOW Communication System

First order outage statistics of asymmetrical RF-OW dual-hop relay communications

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