NDLI: $EDR^{2}:$ A sink failure resilient approach for WSNs

Content Provider	IEEE Xplore Digital Library
Author	Valero, M. Mingsen Xu Mancuso, N. Wen-Zhan Song Beyah, R.
Copyright Year	2012
Description	Author affiliation: Department of Computer Science, Georgia State University, Atlanta, Georgia 30303, USA (Valero, M.; Mingsen Xu; Mancuso, N.; Wen-Zhan Song) \|\| GT CAP Group, The School of ECE, Georgia Institute of Technology, Atlanta, GA 30332, USA (Beyah, R.)
Abstract	Data collection, redistribution and retrieval are essential components of wireless sensor networks (WSNs). In dense WSN deployments, the sensor data are usually sent to a sink that can be reached through one or multiple hops. In the case where communications with the sink are disrupted due to various reasons, the data must be stored in the network for later retrieval. When considering in-network storage, we must redistribute the data among an energy-constrained network with sensors that have a low storage capacity. In previous works, the data redistribution problem has been studied, but the focus was only on the redistribution costs while the data retrieval costs (which have been analyzed in other works as an independent problem) were ignored. We recognize that these two problems should be studied in concert and therefore, in this paper, we combine both data redistribution and retrieval into a single problem. We propose a graph transformation, formulate the problem as a minimum cost flow optimization problem and use linear programming to find the optimal solution. Moreover, we introduce an algorithm named $EDR^{2}:$ energy-efficient data redistribution and retrieval. $EDR^{2}$ is a distributed energy-efficient algorithm for in-network storage and later retrieval in WSNs. To evaluate our solution on a large scale, we modeled different scenarios in a 400-node network, used the GNU Linear Programming Kit (GLPK) to obtain the optimal solutions, and ran simulations to find the solutions using our algorithm. Finally, we implemented $EDR^{2}$ using real sensors to demonstrate the feasibility of our algorithm. We compared $EDR^{2}$ with two heuristic algorithm and show that our approach is an energy-efficient solution for node selection when redistributing data in a WSN for eventual retrieval.
Starting Page	616
Ending Page	621
File Size	446144
Page Count	6
File Format	PDF
ISBN	9781457720529
ISSN	15503607
e-ISBN	9781457720536
e-ISBN	9781457720512
DOI	10.1109/ICC.2012.6363781
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-06-10
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless sensor networks Distributed databases Linear programming Heuristic algorithms Approximation algorithms Memory Algorithm design and analysis
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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