Secure Full-Duplex Two-Way Relaying for SWIPT

Alexander A. Okandeji; Muhammad R. A. Khandaker; Kai-Kit Wong; Gan Zheng; Yangyang Zhang; Zhongbin Zheng

doi:10.1109/LWC.2017.2776928

Secure Full-Duplex Two-Way Relaying for SWIPT

Alexander A. Okandeji, Muhammad R. A. Khandaker^*, Kai-Kit Wong, Gan Zheng, Yangyang Zhang, Zhongbin Zheng

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

14 Citations (Scopus)

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Abstract

This letter studies bi-directional secure information exchange in a simultaneous wireless information and power transfer system enabled by a full-duplex multiple-input multiple-output amplify-and-forward (AF) relay. The AF relay injects artificial noise (AN) in order to confuse the eavesdropper. Specifically, we assume a zeroforcing (ZF) solution constraint to eliminate the residual self-interference. As a consequence, we address the optimal joint design of the ZF matrix and the AN covariance matrix at the relay node as well as the transmit power at the sources. We propose an alternating algorithm utilizing semi-definite programming technique and 1-D searching to achieve the optimal solution. Simulation results are provided to demonstrate the effectiveness of the proposed algorithm.

Original language	English
Pages (from-to)	336-339
Number of pages	4
Journal	IEEE Wireless Communications Letters
Volume	7
Issue number	3
Early online date	23 Nov 2017
DOIs	https://doi.org/10.1109/LWC.2017.2776928
Publication status	Published - 1 Jun 2018

Keywords

energy harvesting
Full-duplex
physical layer security
relay
secrecy

ASJC Scopus subject areas

Control and Systems Engineering
Electrical and Electronic Engineering

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Cite this

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abstract = "This letter studies bi-directional secure information exchange in a simultaneous wireless information and power transfer system enabled by a full-duplex multiple-input multiple-output amplify-and-forward (AF) relay. The AF relay injects artificial noise (AN) in order to confuse the eavesdropper. Specifically, we assume a zeroforcing (ZF) solution constraint to eliminate the residual self-interference. As a consequence, we address the optimal joint design of the ZF matrix and the AN covariance matrix at the relay node as well as the transmit power at the sources. We propose an alternating algorithm utilizing semi-definite programming technique and 1-D searching to achieve the optimal solution. Simulation results are provided to demonstrate the effectiveness of the proposed algorithm.",

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AU - Okandeji, Alexander A.

AU - Khandaker, Muhammad R. A.

AU - Wong, Kai-Kit

AU - Zheng, Gan

AU - Zhang, Yangyang

AU - Zheng, Zhongbin

PY - 2018/6/1

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N2 - This letter studies bi-directional secure information exchange in a simultaneous wireless information and power transfer system enabled by a full-duplex multiple-input multiple-output amplify-and-forward (AF) relay. The AF relay injects artificial noise (AN) in order to confuse the eavesdropper. Specifically, we assume a zeroforcing (ZF) solution constraint to eliminate the residual self-interference. As a consequence, we address the optimal joint design of the ZF matrix and the AN covariance matrix at the relay node as well as the transmit power at the sources. We propose an alternating algorithm utilizing semi-definite programming technique and 1-D searching to achieve the optimal solution. Simulation results are provided to demonstrate the effectiveness of the proposed algorithm.

AB - This letter studies bi-directional secure information exchange in a simultaneous wireless information and power transfer system enabled by a full-duplex multiple-input multiple-output amplify-and-forward (AF) relay. The AF relay injects artificial noise (AN) in order to confuse the eavesdropper. Specifically, we assume a zeroforcing (ZF) solution constraint to eliminate the residual self-interference. As a consequence, we address the optimal joint design of the ZF matrix and the AN covariance matrix at the relay node as well as the transmit power at the sources. We propose an alternating algorithm utilizing semi-definite programming technique and 1-D searching to achieve the optimal solution. Simulation results are provided to demonstrate the effectiveness of the proposed algorithm.

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Secure Full-Duplex Two-Way Relaying for SWIPT

Abstract

Keywords

ASJC Scopus subject areas

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