NDLI: Strong secrecy in bidirectional relay networks

Content Provider	IEEE Xplore Digital Library
Author	Wyrembelski, R.F. Wiese, M. Boche, H.
Copyright Year	2011
Description	Author affiliation: Lehrstuhl für Theoretische Informationstechnik, Technische Universität München, Germany (Wyrembelski, R.F.; Wiese, M.; Boche, H.)
Abstract	To increase the spectral efficiency of future wireless networks, it is important to wisely integrate multiple services at the physical layer. Here we study the efficient integration of confidential services in bidirectional relay networks, where a relay node establishes a bidirectional communication between two other nodes using a decode-and-forward protocol. In the broadcast phase the relay transmits an additional confidential message to one node while keeping the other node completely ignorant of it. We use the concept of strong information theoretic security to ensure that the non-legitimate node cannot decode the confidential message no matter what its computational resources are. This results in the study of the bidirectional broadcast channel with confidential messages for which we establish the strong secrecy capacity region.
Starting Page	217
Ending Page	221
File Size	152619
Page Count	5
File Format	PDF
ISBN	9781467303217
ISSN	10586393
e-ISBN	9781467303231
DOI	10.1109/ACSSC.2011.6189988
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-11-06
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Relays Random variables Security Decoding Receivers Frequency modulation Physical layer
Content Type	Text
Resource Type	Article
Subject	Signal Processing Computer Networks and Communications

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