NDLI: Security Versus Reliability Analysis of Opportunistic Relaying

Content Provider	IEEE Xplore Digital Library
Author	Yulong Zou Xianbin Wang Weiming Shen Hanzo, L.
Copyright Year	1967
Abstract	Physical-layer security is emerging as a promising paradigm of securing wireless communications against eavesdropping between legitimate users, when the main link spanning from a source to a destination has better propagation conditions than the wiretap link from a source to an eavesdropper. In this paper, we identify and analyze the tradeoffs between the security and reliability of wireless communications in the presence of eavesdropping attacks. Typically, the reliability of the main link can be improved by increasing the source's transmit power (or decreasing its date rate) to reduce the outage probability (OP), which unfortunately increases the risk that an eavesdropper succeeds in intercepting the source message through the wiretap link, since the OP of the wiretap link also decreases when a higher transmit power (or lower date rate) is used. We characterize the security-reliability tradeoffs (SRT) of conventional direct transmission from the source to the destination in the presence of an eavesdropper, where the security and reliability are quantified in terms of the intercept probability (IP) by an eavesdropper and the OP experienced at the destination, respectively. To improve the SRT, we then propose opportunistic relay selection (ORS) and quantify the attainable SRT improvement upon increasing the number of relays. It is shown that given the maximum tolerable IP, the OP of our ORS scheme approaches zero for N → ∞, where N is the number of relays. Conversely, given the maximum tolerable OP, the IP of our ORS scheme tends to zero for N → ∞.
Sponsorship	IEEE Vehicular Technology Society
Starting Page	2653
Ending Page	2661
Page Count	9
File Size	514787
File Format	PDF
ISSN	00189545
Volume Number	63
Issue Number	6
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless communication Relays Decoding Reliability Security Wireless sensor networks Fading cooperative communications Security-reliability tradeoff physical-layer security opportunistic relay selection intercept probability outage probability security¿reliability tradeoff (SRT) Cooperative communications intercept probability (IP) opportunistic relay selection (ORS) outage probability (OP) physical-layer security (PLS)
Content Type	Text
Resource Type	Article
Subject	Applied Mathematics Automotive Engineering Computer Networks and Communications Electrical and Electronic Engineering Aerospace Engineering

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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