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Delay constrained relay node placement in wireless sensor networks
Authors
梁炜
郑萌
马超凡
Publication date
1 January 2015
Publisher
Abstract
无线传感器网络中考虑时延约束的中继节点部署(delay constrained relay node placement,DCRNP)问题通过部署最少数量的中继节点使得所有传感器节点与汇聚节点之间都有满足时延约束条件的通路.DCRNP问题已经被证明是NP-hard问题.本文提出基于汇合点及剪枝技术的中继节点部署(convergence-pruning-based relay node placement,CPRNP)算法近似求解DCRNP问题.CPRNP算法分为两个阶段,第1阶段找出所有可能使满足时延约束的通路相交的汇合点,并生成一棵以汇聚节点为根节点连接所有传感器节点的最短路径树;在第2阶段..
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Shenyang Institute of Automation,Chinese Academy Of Sciences
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Last time updated on 12/02/2018