NDLI: An adaptive and fault-tolerant gateway assignment in sensor networks

Content Provider	IEEE Xplore Digital Library
Author	Su, W.W. Sung-Ju Lee
Copyright Year	2004
Description	Author affiliation: Boeing Integrated Defense Syst., Anaheim, CA, USA (Su, W.W.)
Abstract	Gateway nodes are important elements in a sensor network since they provide the ability to establish long-range reach-back communication in order to retrieve critical data to remote locations. The gateways are however prone to failures just like any sensor nodes, and they consume significantly more energy since they transmit over longer distances compared with sensor-to-sensor links. We introduce an adaptive and fault-tolerant method for gateway assignment in sensor networks. Our approach is fully distributed and achieves the following objectives: (i) it allows surviving gateways to recover for other failed gateways; (ii) it distributes energy usage and traffic load between several gateway nodes within the sensor network. Each gateway adaptively controls its region of influence based on local conditions such as remaining energy level and traffic load. Our methodology was evaluated via simulation using a network model containing 400 sensor nodes with virtual targets. The simulation results indicate that our scheme is robust to gateway failures. Moreover, our scheme successfully balances the energy consumption and traffic load among the gateways.
Starting Page	576
Ending Page	578
File Size	236987
Page Count	3
File Format	PDF
ISBN	0780388151
DOI	10.1109/MAHSS.2004.1392213
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-10-25
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fault tolerance Intelligent networks Chemical sensors Energy consumption Network topology Interference Information retrieval Energy efficiency Relays Mobile ad hoc networks
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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