Reference : Feasibility of Positive Secrecy Rate in Wiretap Interference Channels

	Document type :	Scientific congresses, symposiums and conference proceedings : Paper published in a book
	Discipline(s) :	Engineering, computing & technology : Electrical & electronics engineering
	To cite this reference:	http://hdl.handle.net/10993/18806

Title :	Feasibility of Positive Secrecy Rate in Wiretap Interference Channels
Language :	English
Author, co-author :	Kalantari, Ashkan [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
	Maleki, Sina [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
	Zheng, Gan [University of Essex > School of Computer Science and Electronic Engineering]
	Chatzinotas, Symeon [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
	Ottersten, Björn [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
Publication date :	3-Dec-2014
Main document title :	IEEE Global Conference on Signal and Information Processing (GlobalSIP)
Peer reviewed :	Yes
On invitation :	No
Audience :	International
Event name :	IEEE Global Conference on Signal and Information Processing (GlobalSIP)
Event date :	3-11-2014 to 5-11-2014
Keywords :	[en] Physical-layer security ; wireless interference channel ; power control ; secrecy rate
Abstract :	[en] Interference usually is an adverse phenomenon in wireless networks. However, the interference can potentially be used to boost the secrecy rate in wireless interference channels. This work studies the secrecy rate in a two-user interference network where unintended user may overhear one of the users, namely user 1. User 1 tunes its transmission power in order to maximize its secrecy rate as well as to maintain the quality of service at the other user’s destination, user 2, while both user’s power limits are considered. It is demonstrated that achieving a positive secrecy rate for user 1 only depends on the channel conditions and user 2’s transmission power. Consequently, depending on the channel conditions, the exact threshold for user 2’s transmission power which leads to a positive secrecy rate for user 1 is derived.
Permalink :	http://hdl.handle.net/10993/18806

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