Virtual backbone construction in multihop ad hoc wireless networks

被引:86
|
作者
Cheng, XZ [1 ]
Ding, M
Du, DH
Jia, XH
机构
[1] George Washington Univ, Dept Comp Sci, Washington, DC 20052 USA
[2] City Univ Hong Kong, Dept Comp Sci, Hong Kong, Hong Kong, Peoples R China
来源
关键词
multihop ad hoc wireless network; connected dominating set; unit-disk graph;
D O I
10.1002/wcm.378
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
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. Copyright (c) 2006 John Wiley & Sons, Ltd.
引用
收藏
页码:183 / 190
页数:8
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