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Resource Allocation for Secure Wireless Powered Integrated Multicast and Unicast Services with Full Duplex Self-Energy Recycling

Chu, Zheng, Zhou, Fuhui, Xiao, Pei, Zhu, hengyu, Mi, De, Al-Dhahir, Naofal and Tafazolli, Rahim (2018) Resource Allocation for Secure Wireless Powered Integrated Multicast and Unicast Services with Full Duplex Self-Energy Recycling IEEE Transactions on Wireless Communications.

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Abstract

This paper investigates a secure wireless powered integrated service system with full duplex self-energy recycling. Specifically, an energy-constrained information transmitter (IT), powered by a power station (PS) in a wireless fashion, broadcasts two types of services to all users: a multicast service intended for all users, and a confidential unicast service subscribed to by only one user while protecting it from any other unsubscribed users and an eavesdropper. Our goal is to jointly design the optimal input covariance matrices for the energy beamforming, the multicast service, the confidential unicast service, and the artificial noises from the PS and the IT, such that the secrecy-multicast rate region (SMRR) is maximized subject to the transmit power constraints. Due to the non-convexity of the SMRR maximization (SMRRM) problem, we employ a semidefinite programmingbased two-level approach to solve this problem and find all of its Pareto optimal points. In addition, we extend the SMRRM problem to the imperfect channel state information case where a worst-case SMRRM formulation is investigated. Moreover, we exploit the optimized transmission strategies for the confidential service and energy transfer by analyzing their own rank-one profile. Finally, numerical results are provided to validate our proposed schemes.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Electronic Engineering
Authors :
NameEmailORCID
Chu, Zhengzheng.chu@surrey.ac.uk
Zhou, Fuhui
Xiao, PeiP.Xiao@surrey.ac.uk
Zhu, hengyu
Mi, Ded.mi@surrey.ac.uk
Al-Dhahir, Naofal
Tafazolli, RahimR.Tafazolli@surrey.ac.uk
Date : 2018
Copyright Disclaimer : © 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, 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 component of this work in other works
Uncontrolled Keywords : Wireless powered communication network, physical layer security, full duplex, self-energy recycling, secrecymulticast performance tradeoff.
Depositing User : Melanie Hughes
Date Deposited : 27 Nov 2018 12:07
Last Modified : 27 Nov 2018 12:07
URI: http://epubs.surrey.ac.uk/id/eprint/849941

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