Security performance analysis of DF cooperative relay networks over Nakagami-m fading channels

Huan Zhang, Hongjiang Lei, Imran Shafique Ansari, Gaofeng Pan, Khalid Qaraqe

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

In this paper, we investigate the security performance for cooperative networks over Nakagami-m fading channels. Based on whether the channel state information (CSI) of wiretap link is available or not, optimal relay selection (ORS) and suboptimal relay selection (SRS) schemes are considered. Also, multiple relays combining (MRC) scheme is considered for comparison purpose. The exact and asymptotic closed-form expressions for secrecy outage probability (SOP) are derived and simulations are presented to validate the accuracy of our proposed analytical results. The numerical results illustrate that the ORS is the best scheme and SRS scheme is better than MRC scheme in some special scenarios such as when the destination is far away from the relays. Furthermore, through asymptotic analysis, we obtain the closed-form expressions for the secrecy diversity order and secrecy array gain for the three different selection schemes. The secrecy diversity order is closely related to the number of relays and fading parameter between relay and destination.

Original languageEnglish
Pages (from-to)2416-2432
Number of pages17
JournalKSII Transactions on Internet and Information Systems
Volume11
Issue number5
DOIs
Publication statusPublished - 1 Jan 2017

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Asymptotic analysis
Channel state information
Outages
Fading channels

Keywords

  • Cooperative communications
  • Decode-and-forward
  • Nakagami-m fading
  • Relay selection
  • Secrecy outage performance

ASJC Scopus subject areas

  • Information Systems
  • Computer Networks and Communications

Cite this

Security performance analysis of DF cooperative relay networks over Nakagami-m fading channels. / Zhang, Huan; Lei, Hongjiang; Ansari, Imran Shafique; Pan, Gaofeng; Qaraqe, Khalid.

In: KSII Transactions on Internet and Information Systems, Vol. 11, No. 5, 01.01.2017, p. 2416-2432.

Research output: Contribution to journalArticle

Zhang, Huan ; Lei, Hongjiang ; Ansari, Imran Shafique ; Pan, Gaofeng ; Qaraqe, Khalid. / Security performance analysis of DF cooperative relay networks over Nakagami-m fading channels. In: KSII Transactions on Internet and Information Systems. 2017 ; Vol. 11, No. 5. pp. 2416-2432.
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