In this paper, we investigate the performance for a mixed dual-hop free space optical-underwater wireless optical communication (FSO-UWOC) system, in which a source transmits information to a destination through a multi-aperture relay. In addition, a selection combining and a transmitting aperture select- ion protocols are adopted at the relay to process the received and transmitted signals. Considering two different types of detection techniques, and a decode-and-forward scheme, the analytical expressions for the average bit error rate are derived based on the Meijer’s G-function and Fox’s H-function for the considered system over Gamma-Gamma and mixture Exponential-Generalized Gamma fading channels. In addition, the accuracy of the derived analytical expressions is verified with Monte-Carlo simulation results.
KEYWORDS: Wireless communications, Signal to noise ratio, Relays, Picosecond phenomena, Telecommunications, Engineering, Electronics engineering, Simulations, Data transmission, Wireless energy transfer
In this article, we evaluate the outage performance for a wireless-powered relaying radio frequency-underwater wireless optical communication (RF-UWOC) network with an amplify-and-forward protocol. Specifically, a source transmits an RF signal to a power-constrained offshore relay, which first adopts a power-splitting protocol to harmonize the information encoding and energy collecting of the received signal and then converts it to an optical one and utilizes the harvested energy to broadcast it to the destination. Assuming the RF and UWOC links undergo Nakagami-m distribution and a mixture Exponential-Gamma distribution, the analytical expression for the outage probability is deduced. Moreover, the rightness of the analysis is validated by Monte-Carlo simulations.
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