NDLI: Thwarting inside jamming attacks on wireless broadcast communications

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Thwarting inside jamming attacks on wireless broadcast communications

Content Provider	ACM Digital Library
Author	Lazos, Loukas Krunz, Marwan Liu, Sisi
Abstract	We address the problem of jamming-resistant broadcast communications under an internal threat model. We propose a time-delayed broadcast scheme (TDBS), which implements the broadcast operation as a series of unicast transmissions, distributed in frequency and time. TDBS does not rely on commonly shared secrets, or the existence of jamming-immune control channels for coordinating broadcasts. Instead, each node follows a unique pseudo-noise (PN) frequency hopping sequence. Contrary to conventional PN sequences designed for multi-access systems, our sequences exhibit high correlation to enable broadcast. Moreover, their design limits the information leakage due to the exposure of a subset of sequences by compromised nodes. We map the problem of constructing such PN sequences to the 1-factorization problem for complete graphs. Our evaluation results show that TDBS can maintain broadcast communications in the presence of inside jammers.
Starting Page	29
Ending Page	40
Page Count	12
File Format	PDF
ISBN	9781450306928
DOI	10.1145/1998412.1998420
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2011-06-14
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Wireless networks Graph factorization Security Jamming Broadcast communications Denial-of-service
Content Type	Text
Resource Type	Article

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