NDLI: A Sequential Cluster-Based Approach to Node Localizability of Sensor Networks

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A Sequential Cluster-Based Approach to Node Localizability of Sensor Networks

Content Provider	IEEE Xplore Digital Library
Author	Yingfei Diao Minyue Fu Zhiyun Lin Huanshui Zhang
Copyright Year	2014
Abstract	This paper addresses the node localizability problem in 2-D, aiming at determining which nodes are localizable in a sensor network with internode distance measurements. Toward this objective, a sequential cluster-based approach is proposed. The idea is to expand the set of localizable nodes starting from the set of anchor nodes cluster by cluster rather than node by node. Taking computation efficiency in practice into account, we consider the size of a cluster up to four nodes each time. Then, we develop a necessary and sufficient condition to determine whether a cluster up to four nodes is jointly localizable given the distance measurements among them and the distance measurements between them and their neighbors with known coordinates. In terms of this necessary and sufficient condition, both centralized and distributed algorithms are developed for detecting localizable nodes in a given sensor network. It is demonstrated that our approach outperforms well-known techniques, such as trilateration, bilatration, and wheel extension in finding as many localizable nodes as possible.
Starting Page	358
Ending Page	369
Page Count	12
File Size	1082526
File Format	PDF
ISSN	23255870
Volume Number	2
Issue Number	4
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Distance measurement Control systems Joining processes Wheels Couplings Joints Topology graph rigidity Sensor networks localizability sensor networks Graph rigidity
Content Type	Text
Resource Type	Article
Subject	Control and Optimization Signal Processing Control and Systems Engineering Computer Networks and Communications

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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