NDLI: Lifetime optimized hierarchical architecture for correlated data gathering in wireless sensor networks

Content Provider	IEEE Xplore Digital Library
Author	Tran Minh Tam Ngo, H.Q. Truc, P.T.H. Sungyoung Lee
Copyright Year	2008
Description	Author affiliation: Dept. of Comput. Eng., Kyung Hee Univ., South Korea (Tran Minh Tam; Ngo, H.Q.; Truc, P.T.H.; Sungyoung Lee)
Abstract	In-network aggregation is essential for correlated data gathering in wireless sensor networks which are resource-constraint in terms of energy, computation and storage. In this paper, we consider the problem of building a minimum cost hierarchical architecture for correlated data gathering with in-network aggregation, which is formulated as a min-sum optimization problem. To solve the problem, we first develop a minimum-cost distributed algorithm which involves only simple message-passing rules. The algorithm is then tuned to be energy-aware so that high-energy sensor nodes are preferably selected to become cluster heads (CHs), which act as encoding and relaying nodes for the raw sensing data from their corresponding one-hop member nodes. After the cluster formation phase, joint-entropy coding technique with explicit communication (specifically, foreign coding) is applied at every CH to remove possible data redundancy (due to the spatial data correlation) for in-network aggregation. Simulations show that the network lifetime can be significantly extended using our minimum cost cluster-based approach.
Starting Page	953
Ending Page	958
File Size	156148
Page Count	6
File Format	PDF
ISBN	9781424424238
DOI	10.1109/ICCS.2008.4737325
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-11-19
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless sensor networks Computer architecture Computer networks Energy storage Buildings Cost function Distributed algorithms Clustering algorithms Encoding Relays
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
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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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