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Opportunistic user selection with adaptive jamming for secure communication in heterogeneous networks
KTH, School of Electrical Engineering (EES), Signal Processing.
2015 (English)In: IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC, IEEE conference proceedings, 2015, 42-46 p.Conference paper, Published paper (Refereed)
Resource type
Text
Abstract [en]

In this paper, we propose an opportunistic user selection criterion to obtain a multiuser diversity gain for secure communication. At the same time, we also propose a strategy for utilizing a small base station in heterogeneous networks as a helper or a jammer adaptively. Our approach is to maximize the secrecy achievable rate based on an analytically derived lower bound instead of the original objective function due to its complexity. Based on a simple proposed user selection criterion considering both macro and small base stations, we propose two jamming strategies according to knowledge of eavesdropper's channel: adaptive jamming and probabilistic jamming strategies. Through simulations in two scenarios, it is shown that our proposed user selection and jamming schemes provide a good performance gain in terms of secrecy achievable rate.

Place, publisher, year, edition, pages
IEEE conference proceedings, 2015. 42-46 p.
Keyword [en]
heterogeneous networks, jamming, multiuser diversity, Physical-layer security, secrecy capacity, user scheduling, Base stations, Complex networks, Network layers, Radio communication, Secure communication, Jamming strategies, Multi-user diversity gains, Objective functions, Performance Gain, Physical layer security, Network security
National Category
Communication Systems Telecommunications Signal Processing
Identifiers
URN: urn:nbn:se:kth:diva-181592DOI: 10.1109/PIMRC.2014.7136129Scopus ID: 2-s2.0-84944319817ISBN: 9781479949120 (print)OAI: oai:DiVA.org:kth-181592DiVA: diva2:900127
Conference
2014 25th IEEE Annual International Symposium on Personal, Indoor, and Mobile Radio Communication, IEEE PIMRC 2014, 2 September 2014 through 5 September 2014
Note

QC 20160203

Available from: 2016-02-03 Created: 2016-02-02 Last updated: 2016-02-03Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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Language
  • de-DE
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  • nn-NB
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