NDLI: On the individual secrecy rate region for the broadcast channel with an external eavesdropper

Content Provider	IEEE Xplore Digital Library
Author	Yanling Chen Koyluoglu, O.O. Sezgin, A.
Copyright Year	2015
Description	Author affiliation: Inst. for Digital Commun. Syst., Ruhr Univ. Bochum, Bochum, Germany (Yanling Chen; Sezgin, A.) \|\| Dept. of Electr. & Comput. Eng., Univ. of Arizona, Tucson, AZ, USA (Koyluoglu, O.O.)
Abstract	This paper studies the problem of secure communication over broadcast channels under the lens of individual secrecy constraints (i.e., information leakage from each message to an eavesdropper is made vanishing). It is known that, for the communication over the degraded broadcast channels, the stronger receiver is able to decode the message of the weaker receiver. In the individual secrecy setting, the message for the weaker receiver can be further utilized to secure the partial message that is intended to the stronger receiver. With such a coding spirit, it is shown that more secret bits can be conveyed to the stronger receiver. In particular, for the corresponding Gaussian model, a constant gap (i.e., 0.5 bits within the individual secrecy capacity region) result is obtained. Overall, when compared with the joint secrecy constraint, the results allow for trading-off secrecy level and throughput in the system.
Starting Page	1347
Ending Page	1351
File Size	377135
Page Count	5
File Format	PDF
ISSN	21578117
e-ISBN	9781467377041
DOI	10.1109/ISIT.2015.7282675
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-06-14
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Receivers Zinc Encoding Joints Decoding Entropy Markov processes
Content Type	Text
Resource Type	Article

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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
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