Game theory-based resource allocation for secure WPCN multiantenna multicasting systems

Chu, Zheng, Nguyen, Huan X. ORCID: https://orcid.org/0000-0002-4105-2558 and Caire, Giuseppe (2018) Game theory-based resource allocation for secure WPCN multiantenna multicasting systems. IEEE Transactions on Information Forensics and Security, 13 (4) . pp. 926-939. ISSN 1556-6013 (doi:10.1109/TIFS.2017.2774441)

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Abstract

This paper investigates a secure wireless-powered multiantenna multicasting system, where multiple power beacons (PBs) supply power to a transmitter in order to establish a reliable communication link with multiple legitimate users in the presence of multiple eavesdroppers. The transmitter has to harvest radio frequency (RF) energy from multiple PBs due to the shortage of embedded power supply before establishing its secure com- munication. We exploit a novel and practical scenario that the PBs and the transmitter may belong to different operators and a hierarchical energy interaction between the PBs and the transmitter is considered. Specifically, the monetary incentives are required for the PBs to assist the transmitter for secure communications. This leads to the formulation of a Stackelberg game for the secure wireless-powered multiantenna multicasting system, where the transmitter and the PB are modelled as leader and follower, respectively, each maximizing their own utility function. The closed-form Stackelberg equilibrium of the formulated game is then derived where we study various scenarios of eavesdroppers and legitimate users that can have impact on the optimality of the derived solutions. Finally, numerical results are provided to validate our proposed schemes.

Item Type: Article
Research Areas: A. > School of Science and Technology > Design Engineering and Mathematics
Item ID: 23638
Notes on copyright: © 2017 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.
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Depositing User: Huan Nguyen
Date Deposited: 26 Feb 2018 10:54
Last Modified: 03 Apr 2019 23:03
URI: https://eprints.mdx.ac.uk/id/eprint/23638

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