A small virtual backbone which is modeled as the minimum connected dominating set (CDS) problem has been proposed to alleviate the broadcasting storm for efficiency in wireless ad hoc networks. In this paper, we consider a general fault tolerant CDS problem, called an h-connected distance k-dominating set (HCKDS) to balance high efficiency and fault tolerance, and study the upper bound for HCKDS with a probabilistic method for small h and improve the current best results. (C) 2009 Elsevier B.V. All rights reserved.
机构:
Jiangxi Sci & Technol Normal Univ, Sch Math & Comp Sci, Nanchang 330038, Peoples R ChinaJiangxi Sci & Technol Normal Univ, Sch Math & Comp Sci, Nanchang 330038, Peoples R China
Liu, Juan
Hu, Xiaoxue
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Zhejiang Univ Sci & Technol, Sch Sci, Hangzhou 310023, Peoples R ChinaJiangxi Sci & Technol Normal Univ, Sch Math & Comp Sci, Nanchang 330038, Peoples R China
Hu, Xiaoxue
Kong, Jiangxu
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机构:
Hangzhou Normal Univ, Sch Math, Hangzhou 311121, Peoples R ChinaJiangxi Sci & Technol Normal Univ, Sch Math & Comp Sci, Nanchang 330038, Peoples R China
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All-Russian Institute for Scientific and Technical Information of Russian Academy ofSciences, MoscowAll-Russian Institute for Scientific and Technical Information of Russian Academy ofSciences, Moscow