Secrecy Analysis of MIMO Wiretap Channels with Low-Complexity Receivers under Imperfect Channel Estimation

Fawaz S. Al-Qahtani, Yuzhen Huang, Salah Hessien, Redha M. Radaydeh, Caijun Zhong, Hussein Alnuweiri

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

This paper studies the achievable secrecy performance of multiple-input multiple-output wiretap channels in the presence of imperfect channel state information (CSI) with practical low-complexity transmission schemes. In particular, we propose a general order transmit antenna selection and power-efficient output-threshold maximal ratio combining scheme. Two separate cases depending on the availability of the eavesdropper's CSI at the transmitter are considered. New closed-form expressions of the secrecy outage probability and the average secrecy rate are obtained. In addition, the secrecy diversity order and array gains, high signal-to-noise ratio slope, and power offset are characterized through asymptotic analysis, which enables the characterization of the effect of imprecise transmit antenna selection, output-threshold, and imperfect CSI on the secrecy performance. Numerical results are presented to validate the main outcomes of this paper.

Original languageEnglish
Pages (from-to)257-270
Number of pages14
JournalIEEE Transactions on Information Forensics and Security
Volume12
Issue number2
DOIs
Publication statusPublished - 1 Feb 2017

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Channel state information
Channel estimation
MIMO systems
Antennas
Asymptotic analysis
Outages
Transmitters
Signal to noise ratio
Availability

Keywords

  • diversity order
  • estimation error
  • MIMO
  • OT-MRC
  • Physical layer security

ASJC Scopus subject areas

  • Safety, Risk, Reliability and Quality
  • Computer Networks and Communications

Cite this

Secrecy Analysis of MIMO Wiretap Channels with Low-Complexity Receivers under Imperfect Channel Estimation. / Al-Qahtani, Fawaz S.; Huang, Yuzhen; Hessien, Salah; Radaydeh, Redha M.; Zhong, Caijun; Alnuweiri, Hussein.

In: IEEE Transactions on Information Forensics and Security, Vol. 12, No. 2, 01.02.2017, p. 257-270.

Research output: Contribution to journalArticle

Al-Qahtani, Fawaz S. ; Huang, Yuzhen ; Hessien, Salah ; Radaydeh, Redha M. ; Zhong, Caijun ; Alnuweiri, Hussein. / Secrecy Analysis of MIMO Wiretap Channels with Low-Complexity Receivers under Imperfect Channel Estimation. In: IEEE Transactions on Information Forensics and Security. 2017 ; Vol. 12, No. 2. pp. 257-270.
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