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Full-Duplex Wireless-Powered Relay in Two Way Cooperative Networks

Chen, G, Xiao, Pei, Kelly, James, Li, B and Tafazolli, Rahim (2017) Full-Duplex Wireless-Powered Relay in Two Way Cooperative Networks IEEE Access, 5. pp. 1548-1558.

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Abstract

This paper investigates a full duplex wirelesspowered two way communication networks, where two hybrid access points (HAP) and a number of amplify and forward (AF) relays both operate in full duplex scenario. We use time switching (TS) and static power splitting (SPS) schemes with two way full duplex wireless-powered networks as a benchmark. Then the new time division duplexing static power splitting (TDD SPS) and full duplex static power splitting (FDSPS) schemes as well as a simple relay selection strategy are proposed to improve the system performance. For TS, SPS and FDSPS, the best relay harvests energy using the received RF signal from HAPs and uses harvested energy to transmit signal to each HAP at the same frequency and time, therefore only partial self-interference (SI) cancellation needs to be considered in the FDSPS case. For the proposed TDD SPS, the best relay harvests the energy from the HAP and its self-interference. Then we derive closed-form expressions for the throughput and outage probability for delay limited transmissions over Rayleigh fading channels. Simulation results are presented to evaluate the effectiveness of the proposed scheme with different system key parameters, such as time allocation, power splitting ratio and residual SI.

Item Type: Article
Subjects : Electronic Engineering
Divisions : Faculty of Engineering and Physical Sciences
Authors :
NameEmailORCID
Chen, GUNSPECIFIEDUNSPECIFIED
Xiao, PeiP.Xiao@surrey.ac.ukUNSPECIFIED
Kelly, Jamesj.r.kelly@surrey.ac.ukUNSPECIFIED
Li, BUNSPECIFIEDUNSPECIFIED
Tafazolli, RahimR.Tafazolli@surrey.ac.ukUNSPECIFIED
Date : 30 January 2017
Identification Number : 10.1109/ACCESS.2017.2661378
Copyright Disclaimer : (c) 2017 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works.
Depositing User : Symplectic Elements
Date Deposited : 30 Jan 2017 15:59
Last Modified : 19 Jul 2017 09:11
URI: http://epubs.surrey.ac.uk/id/eprint/813384

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