NDLI: A distributed relay node placement strategy based on balanced network lifetime for wireless sensor networks

Content Provider	IEEE Xplore Digital Library
Author	Yue Yao Yong Fan Haiyan Luo
Copyright Year	2010
Description	Author affiliation: Department of Security Engineering, Beijing Vocational College of Labour and Social Security, China (Yue Yao) \|\| Department of Computer and Electronics Engineering, University of Nebraska-Lincoln, USA (Haiyan Luo) \|\| Mobility R&D, Beijing LOIT Technology Ltd., China (Yong Fan)
Abstract	Placement of relay nodes is a critical issue in provisioning large-scale wireless sensor networks. Lifetime and connectivity are the two most important factors that need to be considered. However, some relay nodes can consume much more energy due to heavier traffic, affecting the balanced lifetime of the whole network. In this paper, we propose a novel two-tiered distributed relay node placement strategy to achieve connectivity under the constraint of the expected network lifetime, while the number of relay nodes is effectively decreased. In the proposed node placement strategy, by dynamically adapting the location and data amount of relay nodes, we guarantee that sensor nodes and relay nodes consume the same amount of energy in each round of data transmission, thus ensuring a more balanced network lifetime. We first calculate the maximized network lifetime, and then achieve the network connectivity by effectively placing relay nodes under this constraint using the proposed strategy. Furthermore, we also propose two algorithms to effectively decrease the number of relay nodes, i.e. data distribution and data aggregation. Extensive experiments provide an in-depth analysis on the different factors affecting the number of relay nodes and the verification of the effectiveness of the proposed node placement strategy under different network lifetimes.
Starting Page	306
Ending Page	310
File Size	742266
Page Count	5
File Format	PDF
ISBN	9781424458509
e-ISBN	9781424458493
DOI	10.1109/WCINS.2010.5541943
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-25
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless sensor networks Design engineering Telecommunication traffic Tin Educational institutions Computer networks Computer security Distributed computing Research and development Frame relay
Content Type	Text
Resource Type	Article

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