NDLI: Generic coverage verification without location information using dimension reduction

Content Provider	ACM Digital Library
Author	Bejerano, Yigal Sarkar, Saswati Kasbekar, Gaurav S.
Copyright Year	2013
Abstract	Wireless sensor networks (WSNs) have recently emerged as a key sensing technology with diverse civilian and military applications. In these networks, a large number of small sensors or nodes perform distributed sensing of a target field. Each node is capable of sensing events of interest within its sensing range and communicating with neighboring nodes. The target field is said to be $\textit{k}-covered$ if every point in it is within the sensing range of at least $\textit{k}$ sensors, where $\textit{k}$ is any positive integer. We present a comprehensive framework for verifying $\textit{k}-coverage$ of a $\textit{d}-dimensional$ target field for an arbitrary positive integer $\textit{k}$ and $\textit{d}$ ∈ {1,2,3}. Our framework uses a divide-and-conquer approach based on the technique of dimension reduction, in which the $\textit{k}-coverage$ verification problem in $\textit{d}$ dimensions is reduced to a number of coverage verification problems in $(\textit{d}-1)$ dimensions, which are then recursively solved. Our framework leads to a distributed polynomial-time coverage verification algorithm that does not require knowledge of the locations of nodes or directional information, which is difficult to obtain in WSNs. Each node can execute the algorithm using only the distances between adjacent nodes within its transmission range and their sensing radii. We analytically prove that the scheme detects a coverage hole if and only if the target field has a coverage hole.
Starting Page	1991
Ending Page	2004
Page Count	14
File Format	PDF
ISSN	10636692
DOI	10.1109/TNET.2012.2190620
Volume Number	20
Issue Number	6
Journal	IEEE/ACM Transactions on Networking (TON)
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2012-12-01
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Coverage Dimension reduction Distributed algorithms Sensor networks Wireless networks
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Networks and Communications Software Computer Science Applications

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
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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