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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/43982

Title: Rendezvous Enhancement in Arbitrary-Duty-Cycled Wireless Sensor Networks
Authors: Chih-Min Chao
Lin-Fei Lien
Contributors: 國立臺灣海洋大學:資訊工程學系
NTOU:Department of Computer Science and Engineering
Keywords: Wireless Sensor Networks
Low Duty Cycle Networks
Rendezvous Problem
Date: 2011-12
Issue Date: 2017-11-09T01:20:13Z
Publisher: 17th IEEE International Conference on Parallel and Distributed Systems (ICPADS)
Abstract: Abstract:Prolonging network lifetime is always a critical issue in wireless sensor networks (WSNs). To reduce energy consumption, utilizing duty cycling, i.e., sensor nodes switching to sleeping mode for most of the time, is a common strategy in WSNs. However, without properly scheduled, sensor nodes may not be able to stay awake simultaneously to communicate with each other. That is, nodes may not have a rendezvous to each other. To solve this problem, in this paper, we propose a new scheduling mechanism, Staggered Scheduling (SS). By adjusting each node's instantaneous duty cycle in a staggered way, the SS scheme can i) ensure each pair of nodes a rendezvous in a limited time span, ii) produce more rendezvous when compared with existing mechanisms, and iii) allow each sensor node to choose its target duty cycle independently. Extensive simulation results verify the superiority and feasibility of the proposed SS scheme.
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/43982
Appears in Collections:[資訊工程學系] 演講及研討會

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