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 journalArticle

3 Citations (Scopus)

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 languageEnglish (US)
Pages (from-to)3710-3723
Number of pages14
JournalIEEE Transactions on Signal Processing
Volume66
Issue number14
DOIs
StatePublished - Jul 15 2018

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Beamforming
Wireless networks
Transmitters
Quality of service
Antennas
Energy efficiency
Throughput

All Science Journal Classification (ASJC) codes

  • Signal Processing
  • Electrical and Electronic Engineering

Cite this

Sheng, Zhichao ; Tuan, Hoang Duong ; Duong, Trung Q. ; Poor, H. Vincent. / Beamforming Optimization for Physical Layer Security in MISO Wireless Networks. In: IEEE Transactions on Signal Processing. 2018 ; Vol. 66, No. 14. pp. 3710-3723.
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Beamforming Optimization for Physical Layer Security in MISO Wireless Networks. / Sheng, Zhichao; Tuan, Hoang Duong; Duong, Trung Q.; Poor, H. Vincent.

In: IEEE Transactions on Signal Processing, Vol. 66, No. 14, 15.07.2018, p. 3710-3723.

Research output: Contribution to journalArticle

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