NDLI: Location Estimation in Ad Hoc Networks with Directional Antennas

Content Provider	IEEE Xplore Digital Library
Author	Malhotra, N. Krasniewski, M. Yang, C. Bagchi, S. Chappell, W.
Copyright Year	2005
Description	Author affiliation: Sch. of Electr. & Comput. Eng., Purdue Univ., West Lafayette, NJ (Malhotra, N.; Krasniewski, M.; Yang, C.; Bagchi, S.; Chappell, W.)
Abstract	With the development of location aware sensor applications, location determination has become an increasingly important middleware technology. Numerous current technologies for location determination of sensor nodes use the received signal strength from sensor nodes using omnidirectional antennas. However, an increasing number of sensor systems are now deploying directional antennas due to their advantages like energy conservation and better bandwidth utilization. In this paper, we present techniques for location determination in a sensor network with directional antennas under different kinds of deployment of the nodes. We show how the location estimation problem can be solved by measuring the received signal strength from just one or two anchors in a 2D plane with directional antennas. We implement our technique using Berkeley MICA2 sensor motes and show that it is up to three times more accurate than triangulation using omnidirectional antennas. We also perform Matlab simulations that show the accuracy of location determination with increasing node density
Sponsorship	IEEE Comput. Soc. Tech. Comm. on Distributed Process. (TCDP)
Starting Page	633
Ending Page	642
File Size	438275
Page Count	10
File Format	PDF
ISBN	0769523315
ISSN	10636927
DOI	10.1109/ICDCS.2005.47
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-06-06
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Intelligent networks Ad hoc networks Directional antennas Global Positioning System Hardware Bandwidth Routing Computer networks Application software Middleware received signal angle location estimation directional antenna triangulation received signal strength
Content Type	Text
Resource Type	Article
Subject	Computer Networks and Communications Hardware and Architecture Software

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