NDLI: A Heuristic Routing Scheme for Wireless Sensor Networks Based on a Local Search Method

Content Provider	IEEE Xplore Digital Library
Author	Fujita, S. XingPing He Kamei, S.
Copyright Year	2009
Abstract	In this paper, we propose a distributed algorithm to calculate a subgraph of a given wireless sensor network (WSN) connecting a set of sources and a set of sinks such that: 1) the length of a path connecting from a source to a sink in the subgraph does not exceed the distance from the source to the farthest sink, and 2) the number of links contained in the subgraph is minimized. The proposed algorithm tries to improve the quality of an initial solution generated by a heuristic scheme by repeatedly applying a local search. The result of simulations indicates that: 1) using a heuristic to generate an initial solution, the size of the initial solution reduces by 10 % compared with a simple shortest path tree; and2) a local search reduces the size of the resultant subgraph by 20 % and the cost required for such improvement can be recovered by utilizing the resultant subgraph for a sufficiently long time such as few days.
Starting Page	46
Ending Page	51
File Size	335644
Page Count	6
File Format	PDF
ISBN	9781424454037
e-ISBN	9781424454044
DOI	10.1109/I-SPAN.2009.50
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-12-14
Publisher Place	Taiwan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Routing Wireless sensor networks Search methods Joining processes Event detection Distributed algorithms Costs Wireless communication Arithmetic Helium
Content Type	Text
Resource Type	Article

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