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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/50837

Title: Supporting energy efficient broadcast with unreliable links for wireless sensor networks
Authors: Chih-Min Chao
Chao-Ying Huang
Contributors: 國立臺灣海洋大學:資訊工程學系
Keywords: WSN
wireless sensor network
energy efficient
duty cycle
Date: 2016-08
Issue Date: 2018-10-29
Publisher: International Journal of Ad Hoc and Ubiquitous Computing
Abstract: Abstract: Broadcast is an essential network operation. Designing an energy efficient broadcast becomes an important issue
in a wireless sensor network (WSN) because sensor nodes are battery-powered. In a low-duty-cycled WSN with
unreliable links, the broadcast problem is challenging because 1) nodes may not be active simultaneously and 2) a
transmission may fail to reach all the active nodes. In this paper, we define the least energy consumption broadcast
problem, prove it to be NP-hard, and propose a Least-Wake-up-First broadcast scheme (LWF). By reducing the
number of forwarders and the number of transmissions, LWF greatly reduces energy consumption while achieving
broadcasting. Simulation results verify that LWF improves energy efficiency in duty-cycled WSNs.
Relation: 25(4)
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/50837
Appears in Collections:[資訊工程學系] 期刊論文

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