Distributed Sleep Scheduling in Wireless Sensor Networks via Fractional Domatic Partitioning

被引:0
|
作者
Schumacher, Andre [1 ]
Haanpaa, Harri [1 ]
机构
[1] Aalto Univ, Dept Informat & Comp Sci, FI-02015 Helsinki, Finland
关键词
ALGORITHMS;
D O I
暂无
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
We consider setting up sleep scheduling in sensor networks. We formulate the problem as an instance of the fractional domatic partition problem and obtain a distributed approximation algorithm by applying linear programming approximation techniques. Our algorithm is an application of the Garg-Konemann (GK) scheme that requires solving an instance of the minimum weight dominating set (MWDS) problem as a subroutine. Our two main contributions are a distributed implementation of the GK scheme for the sleep-scheduling problem and a novel asynchronous distributed algorithm for approximating MWDS based on a primal-dual analysis of Chvatal's set-cover algorithm. We evaluate our algorithm with ns2 simulations.
引用
收藏
页码:640 / 654
页数:15
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