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On the ergodic secrecy capacity of MIMO wiretap channels with statistical CSI
KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.
KTH, School of Electrical Engineering (EES), Communication Theory. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0001-7182-9543
2014 (English)In: Proceedings of 2014 International Symposium on Information Theory and Its Applications, ISITA 2014, 2014, 398-402 p.Conference paper, Published paper (Refereed)
Abstract [en]

Wireless security has become an important issue for modern wireless networks. Due to the broadcast nature of wireless channels possibility of eavesdropping the transmission is provided for non-legitimate receivers. In the present paper, we consider a multi-antenna wiretap channel in a fast-fading environment with only statistical channel state information available at the receiver. The overall performance of such channel is characterized by the ergodic secrecy capacity, which, in general, cannot be characterized explicitly. Nevertheless, based on the assumption that the numbers of antennas at legitimate terminals and the number of eavesdroppers grow large without bound, we derive a deterministic approximation for the achievable ergodic secrecy rate under arbitrary channel inputs. The obtained large-system approximation matches well with the actual simulated secrecy rates, revealing some interesting behavior of the secrecy rates in the given scenario.

Place, publisher, year, edition, pages
2014. 398-402 p.
Keyword [en]
Antennas, Communication channels (information theory), Information dissemination, Information theory, Signal receivers, Deterministic approximation, Fast fading environments, Mimo wiretap channels, Statistical channel state informations, Statistical csi, Wire-tap channels, Wireless channel, Wireless security, Channel state information
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-168372ISI: 000366046700083Scopus ID: 2-s2.0-84920540304ISBN: 9784885522925 (print)OAI: oai:DiVA.org:kth-168372DiVA: diva2:815858
Conference
2014 International Symposium on Information Theory and Its Applications, ISITA 2014; Melbourne Convention and Exhibition CentreMelbourne; Australia; 26 October 2014 through 29 October 2014
Note

QC 20150602

Available from: 2015-06-02 Created: 2015-06-02 Last updated: 2016-01-08Bibliographically approved

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Rasmussen, Lars Kildehøj

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
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