Secrecy Outage Performance of Transmit Antenna Selection for MIMO Underlay Cognitive Radio Systems over Nakagami-m Channels

Hongjiang Lei, Chao Gao, Imran Shafique Ansari, Yongcai Guo, Yulong Zou, Gaofeng Pan, Khalid Qaraqe

Research output: Contribution to journalArticle

52 Citations (Scopus)

Abstract

This paper considers a multiple-input-multiple-output (MIMO) cognitive wiretap system over Nakagami-m channels with generalized selection combining (GSC), where confidential messages transmitted from a multiple-antenna transmitter to a multiple-antenna legitimate receiver are overheard by a multiple-antenna eavesdropper. Depending on whether the source node has the global channel state information (CSI) of both the main and wiretap channels, we investigate the secrecy outage performances of optimal antenna selection (OAS) and suboptimal antenna selection (SAS) schemes for MIMO underlay cognitive radio systems over Nakagami-m channels, and we compare them with the space-time transmission (STT) scheme. The closed-form expressions for the exact and asymptotic secrecy outage probability (SOP) for various schemes are derived. Simulations are conducted to validate the accuracy of our derived analytical results.

Original languageEnglish
Article number7480814
Pages (from-to)2237-2250
Number of pages14
JournalIEEE Transactions on Vehicular Technology
Volume66
Issue number3
DOIs
Publication statusPublished - 1 Mar 2017

Fingerprint

Antenna Selection
Multiple Antennas
Radio systems
Cognitive Radio
Cognitive radio
Outages
Multiple-input multiple-output (MIMO)
Antennas
Cognitive Systems
Multiple-input multiple-output (MIMO) Systems
Outage Probability
Channel State Information
Transmitter
Closed-form
Cognitive systems
Receiver
Space-time
Channel state information
Vertex of a graph
Transmitters

Keywords

  • Cognitive radio network (CRN)
  • Nakagami-m fading
  • physical-layer security
  • secrecy outage probability (SOP)
  • transmit antenna selection (TAS)

ASJC Scopus subject areas

  • Automotive Engineering
  • Aerospace Engineering
  • Computer Networks and Communications
  • Applied Mathematics
  • Electrical and Electronic Engineering

Cite this

Secrecy Outage Performance of Transmit Antenna Selection for MIMO Underlay Cognitive Radio Systems over Nakagami-m Channels. / Lei, Hongjiang; Gao, Chao; Ansari, Imran Shafique; Guo, Yongcai; Zou, Yulong; Pan, Gaofeng; Qaraqe, Khalid.

In: IEEE Transactions on Vehicular Technology, Vol. 66, No. 3, 7480814, 01.03.2017, p. 2237-2250.

Research output: Contribution to journalArticle

Lei, Hongjiang ; Gao, Chao ; Ansari, Imran Shafique ; Guo, Yongcai ; Zou, Yulong ; Pan, Gaofeng ; Qaraqe, Khalid. / Secrecy Outage Performance of Transmit Antenna Selection for MIMO Underlay Cognitive Radio Systems over Nakagami-m Channels. In: IEEE Transactions on Vehicular Technology. 2017 ; Vol. 66, No. 3. pp. 2237-2250.
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