Beamforming Optimization for Physical Layer Security in MISO Wireless Networks

Zhichao Sheng; Hoang Duong Tuan; Trung Q. Duong; H. Vincent Poor

doi:10.1109/TSP.2018.2835406

Beamforming Optimization for Physical Layer Security in MISO Wireless Networks

Zhichao Sheng, Hoang Duong Tuan, Trung Q. Duong, H. Vincent Poor

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

33 Scopus citations

Abstract

A wireless network of multiple transmitter-user pairs overheard by an eavesdropper, where the transmitters are equipped with multiple antennas, while the users and eavesdropper are equipped with a single antenna, is considered. At different levels of wireless channel knowledge, the problem of interest is beamforming to optimize the users' quality-of-service (QoS) in terms of their secrecy throughputs or maximize the network's energy efficiency under users' QoS. All these problems are seen as very difficult optimization problems with many nonconvex constraints and nonlinear equality constraints in beamforming vectors. The paper develops path-following computational procedures of low complexity and rapid convergence for the optimal beamforming solution. Their practicability is demonstrated through numerical examples.

Original language	English (US)
Pages (from-to)	3710-3723
Number of pages	14
Journal	IEEE Transactions on Signal Processing
Volume	66
Issue number	14
DOIs	https://doi.org/10.1109/TSP.2018.2835406
State	Published - Jul 15 2018

All Science Journal Classification (ASJC) codes

Signal Processing
Electrical and Electronic Engineering

Keywords

Multi-input single-output network
beamforming
energy-efficient communication
path-following algorithms
secure communication

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10.1109/TSP.2018.2835406

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title = "Beamforming Optimization for Physical Layer Security in MISO Wireless Networks",

abstract = "A wireless network of multiple transmitter-user pairs overheard by an eavesdropper, where the transmitters are equipped with multiple antennas, while the users and eavesdropper are equipped with a single antenna, is considered. At different levels of wireless channel knowledge, the problem of interest is beamforming to optimize the users' quality-of-service (QoS) in terms of their secrecy throughputs or maximize the network's energy efficiency under users' QoS. All these problems are seen as very difficult optimization problems with many nonconvex constraints and nonlinear equality constraints in beamforming vectors. The paper develops path-following computational procedures of low complexity and rapid convergence for the optimal beamforming solution. Their practicability is demonstrated through numerical examples.",

keywords = "Multi-input single-output network, beamforming, energy-efficient communication, path-following algorithms, secure communication",

author = "Zhichao Sheng and Tuan, {Hoang Duong} and Duong, {Trung Q.} and Poor, {H. Vincent}",

note = "Funding Information: Manuscript received December 5, 2017; revised March 22, 2018; accepted May 2, 2018. Date of publication May 15, 2018; date of current version June 11, 2018. The associate editor coordinating the review of this manuscript and approving it for publication was Prof. Stefano Tomasin. This work was supported in part by the Australian Research Councils Discovery Projects under Project DP130104617, in part by the U.K. Royal Academy of Engineering Research Fellowship under Grant RF1415/14/22, and in part by the U.S. National Science Foundation under Grant CNS-1702808 and Grant ECCS-1647198. (Corresponding author: Trung Q. Duong.) Z. Sheng and H. D. Tuan are with the School of Electrical and Data Engineering, University of Technology Sydney, Sydney, NSW 2007, Australia (e-mail:, zhichaosheng@163.com; Tuan.Hoang@uts.edu.au). Publisher Copyright: {\textcopyright} 1991-2012 IEEE.",

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N2 - A wireless network of multiple transmitter-user pairs overheard by an eavesdropper, where the transmitters are equipped with multiple antennas, while the users and eavesdropper are equipped with a single antenna, is considered. At different levels of wireless channel knowledge, the problem of interest is beamforming to optimize the users' quality-of-service (QoS) in terms of their secrecy throughputs or maximize the network's energy efficiency under users' QoS. All these problems are seen as very difficult optimization problems with many nonconvex constraints and nonlinear equality constraints in beamforming vectors. The paper develops path-following computational procedures of low complexity and rapid convergence for the optimal beamforming solution. Their practicability is demonstrated through numerical examples.

AB - A wireless network of multiple transmitter-user pairs overheard by an eavesdropper, where the transmitters are equipped with multiple antennas, while the users and eavesdropper are equipped with a single antenna, is considered. At different levels of wireless channel knowledge, the problem of interest is beamforming to optimize the users' quality-of-service (QoS) in terms of their secrecy throughputs or maximize the network's energy efficiency under users' QoS. All these problems are seen as very difficult optimization problems with many nonconvex constraints and nonlinear equality constraints in beamforming vectors. The paper develops path-following computational procedures of low complexity and rapid convergence for the optimal beamforming solution. Their practicability is demonstrated through numerical examples.

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Beamforming Optimization for Physical Layer Security in MISO Wireless Networks

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