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Browsing by Author "Lanka, Raghuram"

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    A Distributed Approximation for Minamum Connecting Dominated Sets in Wireless Networks
    (2003-05-02) Min, Manki; Lanka, Raghuram; Huang, Xiao; Du, Ding-Zhu
    A wireless ad-hoc network is a wireless, multihop network without an infrastructure. And due to the limited resources of hosts in the network, the resource utilization becomes more critical. As a result, construction of virtual backbones in wireless ad-hoc networks gets more attractive. In this paper, we present a distributed approximation scheme for minimum connected dominating sets in unit-disk graphs which can serve as a virtual backbone in the network. Our algorithm has the performance ratio of 7 and the message complexity of $O(n log n)$, which are the best among the schemes in the literature.