NDLI: Joint Decode-and-Forward and jamming for wireless physical layer security with destination assistance

Content Provider	IEEE Xplore Digital Library
Author	Yupeng Liu Petropulu, A.P. Poor, H.V.
Copyright Year	2011
Description	Author affiliation: School of Engineering and Applied Science, Princeton University, NJ 08540, USA (Poor, H.V.) \|\| ECE Department Rutgers, the State University of New Jersey, 94 Brett Rd, Piscataway, 08648, USA (Yupeng Liu; Petropulu, A.P.)
Abstract	A distributed wireless network with one source, one destination, one eavesdropper and multiple Decode-and-Forward (DF) relays is considered. A two-slot cooperative relaying scheme is proposed, in which relays help the source transmit to the destination while keeping the message as secret as possible from the eavesdropper. In the first slot, the source transmits a weighted combination of the information bearing signal and a noise signal. At the same time, the destination cooperates with the source in transmitting a noise signal with the purpose of confounding the eavesdropper. In the second slot, the ‘best’ relay cooperates with the source to send a jamming signal along the null space of the destination channel. Optimal relay selection and also optimal power allocation among the first/second slot data signal and jamming noise is proposed. With the proposed transmission scheme, the system secrecy rate is shown to outperform the methods in literature and always benefits from increasing total power and larger number of relays.
Starting Page	109
Ending Page	113
File Size	178527
Page Count	5
File Format	PDF
ISBN	9781467303217
ISSN	10586393
e-ISBN	9781467303231
DOI	10.1109/ACSSC.2011.6189965
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 Jamming Security Resource management Strontium Wireless communication Physical layer
Content Type	Text
Resource Type	Article
Subject	Signal Processing Computer Networks and Communications

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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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