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Energy-efficient location estimation using variable range beacons in wireless sensor networks

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Published
Publication date26/10/2015
Host publicationComputer and Information Technology; Ubiquitous Computing and Communications; Dependable, Autonomic and Secure Computing; Pervasive Intelligence and Computing (CIT/IUCC/DASC/PICOM), 2015 IEEE International Conference on
PublisherIEEE
Pages1074-1079
Number of pages6
ISBN (print)9781509001538
<mark>Original language</mark>English
EventThe 14th IE International Conference on Ubiquitous Computing and Communications (IUCC-2015) - UK, Liverpool, United Kingdom
Duration: 26/10/201528/10/2015

Conference

ConferenceThe 14th IE International Conference on Ubiquitous Computing and Communications (IUCC-2015)
Country/TerritoryUnited Kingdom
CityLiverpool
Period26/10/1528/10/15

Conference

ConferenceThe 14th IE International Conference on Ubiquitous Computing and Communications (IUCC-2015)
Country/TerritoryUnited Kingdom
CityLiverpool
Period26/10/1528/10/15

Abstract

In a randomly deployed wireless sensor network, sensor nodes must determine their own geographic position coordinates so that the collected data can be ascribed to the location from where it was gathered. We propose a localization algorithm which uses variable range beacon signals generated by varying the transmission power of beacon nodes. The algorithm does not use any additional hardware resources for ranging and estimates position using only radio connectivity by passively listening to the beacon signals. The algorithm is distributed, so each sensor node determines its own position and communication overhead is avoided. As the beacon nodes do not always transmit at maximum power and no transmission power is used by unknown sensor nodes for localization, the algorithm is also energy efficient. It also provides control over localization granularity. Simulation results show that the algorithm provides good accuracy under varying radio conditions.

Bibliographic note

©2015 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.