Constructing weakly connected dominating set for secure clustering in distributed sensor network

Hongjie Du (), Weili Wu (), Shan Shan (), Donghyun Kim () and Wonjun Lee ()
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Hongjie Du: Univ. of Texas at Dallas
Weili Wu: Univ. of Texas at Dallas
Shan Shan: Univ. of Texas at Dallas
Donghyun Kim: North Carolina Central University
Wonjun Lee: Korea University

Journal of Combinatorial Optimization, 2012, vol. 23, issue 2, No 10, 307 pages

Abstract: Abstract Secure clustering problem plays an important role in distributed sensor networks. Weakly Connected Dominating Set (WCDS) is used for solving this problem. Therefore, computing a minimum WCDS becomes an important topic of this research. In this paper, we compare the size of Maximal Independent Set (MIS) and minimum WCDS in unit disk graph. Our analysis shows that five is the least upper bound for this ratio. We also present a distributed algorithm to produce a weakly connected MIS within a factor 5 from the minimum WCDS.

Keywords: DSN; Security; Weakly connected dominating set; Maximal independent set; Unit disk graph (search for similar items in EconPapers)
Date: 2012
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Citations: View citations in EconPapers (4)

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DOI: 10.1007/s10878-010-9358-y

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