NDLI: Coverage holes reduction in movable sensor networks using Minimum Movement Technique

Content Provider	IEEE Xplore Digital Library
Author	Gandhi, K.I. Narayanasamy, P. Ushapreethi, P.
Copyright Year	2011
Description	Author affiliation: Anna University Chennai, Tamilnadu, India (Gandhi, K.I.; Narayanasamy, P.; Ushapreethi, P.)
Abstract	In wireless sensor networks, the efficiency mainly depends on the network connectivity among the nodes as well as coverage of the monitoring area. To handle the connectivity problem, the possible network partitions are detected earlier by detecting the cut-vertices which are the critical nodes in the network whose failure leads to network partition. These points are identified through Cut-vertex determination algorithm. The failure handler set, which is used to restore the connectivity failure due to failure of any cut-vertex, is determined by Connected Dominating Set (CDS) algorithm. The connectivity problem in the network is resolved by utilizing the controlled mobility feature of the sensor nodes. The coverage holes are introduced in the network due to the total movement of such failure handler set. To minimize the number of coverage holes, the failure handler is placed nearer to the position of failed node without affecting the connectivity. This technique is named as Minimum Movement Technique (MMT). To restore the connectivity, the nodes in the failure handling set move towards the feasible points. These points are calculated by MMT. The Simulation results prove that the proposed MMT minimizes the total mobility distance required to reach these points and the coverage holes in the network.
Starting Page	275
Ending Page	280
File Size	265345
Page Count	6
File Format	PDF
ISBN	9781457705885
e-ISBN	9781457705908
DOI	10.1109/ICRTIT.2011.5972408
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-03
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Algorithm design and analysis Temperature sensors Wireless sensor networks Network Partitioning Node failure Coverage hole Mobile communication Connectivity Partitioning algorithms Relocation Monitoring
Content Type	Text
Resource Type	Article

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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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