NDLI: Localization of sensor networks considering energy accuracy tradeoffs

Content Provider	IEEE Xplore Digital Library
Author	Pandey, S. Prasad, P. Sinha, P. Agrawal, P.
Copyright Year	2005
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Auburn Univ., AL, USA (Pandey, S.; Prasad, P.; Sinha, P.; Agrawal, P.)
Abstract	Localization in sensor networks is a prerequisite for associating the sensed phenomenon to a particular location. Various aspects of sensor network localization have recently been studied. However, amongst the vast number of localization schemes proposed, tradeoff between the energy required for localization and resulting accuracy of localization is not addressed. In a highly resource-constrained environment such as a sensor network, it is important to address the above energy accuracy relationship during the localization process. Network lifetime is enhanced by applying energy-aware localization schemes periodically. In this paper, a localization algorithm is presented which transforms the network into a system of springs. Using optimization techniques the stable state of such a system is determined, which yields the locations of the nodes in the network. The energy accuracy tradeoff obtained from the algorithm is studied using MATLAB simulations. Results for a centralized and distributed implementation of the scheme are presented.
Sponsorship	IEEE Comput. Soc. IEEE, Create-Net the Int. Commun. Sci. and Technol. Assoc. ICST
File Size	2994907
File Format	PDF
ISBN	1424400309
DOI	10.1109/COLCOM.2005.1651221
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-12-19
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Potential energy Airplanes Light scattering Sensor phenomena and characterization Routing Batteries IP networks Springs MATLAB Relays
Content Type	Text
Resource Type	Article

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