NDLI: Improving lifetime data gathering and distortion for mobile sensing networks

Content Provider	IEEE Xplore Digital Library
Author	Sharma, V. Frazzoli, E. Voulgaris, P.G.
Copyright Year	2004
Description	Author affiliation: Dept. of Aerosp. Eng., Illinois Univ., Urbana, IL, USA (Sharma, V.; Frazzoli, E.; Voulgaris, P.G.)
Abstract	In this paper we consider improving the quantity and quality of data collected and sent to a sink over the lifetime of a network of mobile sensors. The positions of the sensors and the routing strategy chosen are the variables in our problem. The original problem is a multi-objective non-convex optimization problem and we believe it to be tough to solve. The approach taken in this paper is to break down the original problem into sub-problems and develop an iterative scheme to optimize both the quantities. We propose three sub-problems. First, we optimize the way (obtain flows) the data is sent to the sink for a fixed placement of the nodes by solving a linear program (work on this has already been done in the past by others). Once flows have been obtained, they are kept constant and the nodes are then moved in a way such that the lifetime is further improved, keeping the maximum distortion error less than or equal to what it is for the initial node placement. Then for the new node distribution with a better lifetime, we decrease the maximum distortion error keeping the lifetime greater than or equal as compared to the starting configuration. Centralized and decentralized iterative schemes are presented using these subproblems that monotonically improve the lifetime data gathering and reduce maximum distortion error at each step.
Starting Page	566
Ending Page	574
File Size	621541
Page Count	9
File Format	PDF
ISBN	0780387961
DOI	10.1109/SAHCN.2004.1381959
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-10-04
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless sensor networks Sensor phenomena and characterization Relays Distortion measurement Routing Iterative methods Micromechanical devices Computer industry Manufacturing industries Ubiquitous computing
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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