Virtual backbone construction in multihop ad hoc wireless networks

Xiuzhen Cheng, Min Ding, David Hongwei Du, Xiaohua Jia

Research output: Contribution to journalArticlepeer-review

94 Scopus citations

Abstract

Recent research points out that the flooding mechanism for topology update or route request in existing ad hoc routing protocols greatly degrades the network capacity. If we restrict the broadcast of control packets within a small subset of hosts in the network, the protocol overhead can be substantially reduced. This motivates our research of constructing a virtual backbone by computing a connected dominating set (CDS) in unit-disk graphs. In this paper, we propose two distributed algorithms to approximate a minimum CDS. These algorithms take linear time. Their performance is verified by a complete theoretical analysis.

Original languageEnglish (US)
Pages (from-to)183-190
Number of pages8
JournalWireless Communications and Mobile Computing
Volume6
Issue number2
DOIs
StatePublished - Mar 2006

Keywords

  • Connected dominating set
  • Multihop ad hoc wireless network
  • Unit-disk graph

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