Mixed RF/FSO SWIPT-based OSLMD Coded AF Cooperative Communication System: Performance Analysis

TitreMixed RF/FSO SWIPT-based OSLMD Coded AF Cooperative Communication System: Performance Analysis
Publication TypeJournal Article
Year of Publication2022
AuthorsLabghough, S, Ayoub, F, Bouanani, FE, Belkasmi, M, Qaraqe, KA
JournalIEEE Transactions on Green Communications and Networking
Mots-clésAverage bit error probability, Bit error rate, Code, Communications systems, Computer circuits, Cooperative communication, Decodable codes, Decoding, Decoding algorithm, energy efficiency, Energy harvesting, Energy transfer, Errors, Fading channels, Fadings channels, Freespace optics, Intelligent systems, Majority logic decoding, Majority logic decoding algorithm decoding, Malagum-M channel, Maximal-ratio combining, Mixed radio-frequency/free-space optic system, Monte Carlo methods, Nakagami-m fading channels, One-step majority-logic decodable code., Optics systems, Probability, Radiofrequencies, Relay, Signal to noise ratio

In this paper, the performance analysis of simultaneous wireless information and power transfer (SWIPT) using time switching (TS) protocol-based amplify-and-forward (AF) dual-hop mixed radio-frequency/free-space optic (RF/FSO) coded and uncoded communication system (CC and UC) is investigated. Specifically, we look at using the One-Step Majority-Logic Decodable (OSMLD) codes at the source and a majority logic decoding algorithm (MLGD) at the destination, jointly with the use of maximal-ratio combining and SWIPT/TS techniques at the relay. Furthermore, the RF link undergoes Nakagami-m model, while the second-hop is subject to Málaga-M atmospheric turbulence with the effect of pointing errors. Closed-form and asymptotic formulations for the average bit error probability (ABEP) are obtained in terms of the system parameters for both CC and UC scenarios in addition of the average channel capacity analysis. Computer-based Monte Carlo simulations were used to numerically validate all of the obtained mathematical formulations. Expectedly, it is shown that significant coding gains are achieved using OSMLD codes in comparison with UC. In addition, above a specific threshold of energy efficiency, the system performance gets steady in the high signal-to-noise-ratio regime. Moreover, the decoding method used in this work has been shown to be suitable for the SWIPT/TS-assisted RF/FSO coded AF cooperative communication system where high performance alongside low computational complexity are required. IEEE




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