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Information 2019, 10(2), 50; https://doi.org/10.3390/info10020050

Performance Analysis of Hybrid Protocol Based AF EH Relaying over Asymmetric Fading Channels

1
Shaanxi Key Laboratory of Information Communication Network and Security, Xi’an University of Posts and Telecommunications, Xi’an 710121, China
2
School of Telecommunications Engineering, Xidian University, Xi’an 710071, China
*
Author to whom correspondence should be addressed.
Received: 22 January 2019 / Revised: 30 January 2019 / Accepted: 1 February 2019 / Published: 4 February 2019
(This article belongs to the Section Information and Communications Technology)
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Abstract

Simultaneous wireless information and power transfer is a practicable solution to encourage energy-constrained relay nodes to cooperate with the source to transmit information to the destination. In this paper, we study the outage performance of hybrid protocol based amplify-and-forward (AF) relay networks over asymmetric fading channels, where the source-relay link and the relay-destination link are subjected to Rician fading and Rayleigh fading, respectively. In particular, we derive the lower bound of outage probability and the upper bound of outage capacity based on a high signal-to-noise ratio approximation, respectively. We further investigate the effects of various system parameters, such as the parameters of hybrid protocol, the target rate, and the Rician K-factor, on the investigated network. It is shown that a good selection of parameters of hybrid protocol is of significance to improve system capacity, and that a larger Rician factor is desirable in the investigated network. View Full-Text
Keywords: simultaneous wireless information and power transfer; relay network; outage performance; hybrid protocol; asymmetric fading simultaneous wireless information and power transfer; relay network; outage performance; hybrid protocol; asymmetric fading
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Sheng, X.; Lu, G.; Shi, L.; Ye, Y. Performance Analysis of Hybrid Protocol Based AF EH Relaying over Asymmetric Fading Channels. Information 2019, 10, 50.

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