NDLI: Opportunistic localization scheme based on Linear Matrix Inequality

Content Provider	IEEE Xplore Digital Library
Author	Zorzi, Francesco Kang, GuoDong Perennou, Tanguy Zanella, Andrea
Copyright Year	2009
Description	Author affiliation: Dipartimento di Ingegneria dell'Informazione, Università degli Studi di Padova, Italy (Zorzi, Francesco; Zanella, Andrea) \|\| Université de Toulouse; UPS, INSA, INP, ISAE; LAAS; F-31077 Toulouse, France (Kang, GuoDong) \|\| CNRS; LAAS; 7 avenue du colonel Roche, F-31077 Toulouse, France (Perennou, Tanguy)
Abstract	Enabling self-localization of mobile nodes is an important problem that has been widely studied in the literature. The general conclusions is that an accurate localization requires either sophisticated hardware (GPS, UWB, ultrasounds transceiver) or a dedicated infrastructure (GSM, WLAN). In this paper we tackle the problem from a different and rather new perspective: we investigate how localization performance can be improved by means of a cooperative and opportunistic data exchange among the nodes. We consider a target node, completely unaware of its own position, and a number of mobile nodes with some self-localization capabilities. When the opportunity occurs, the target node can exchange data with in-range mobile nodes. This opportunistic data exchange is then used by the target node to refine its position estimate by using a technique based on Linear Matrix Inequalities and barycentric algorithm. To investigate the performance of such an opportunistic localization algorithm, we define a simple mathematical model that describes the opportunistic interactions and, then, we run several computer simulations for analyzing the effect of the nodes duty-cycle and of the native self-localization error modeling considered. The results show that the opportunistic interactions can actually improve the self-localization accuracy of a strayed node in many different scenarios.
Starting Page	247
Ending Page	252
File Size	255039
Page Count	6
File Format	PDF
ISBN	9781424450572
DOI	10.1109/WISP.2009.5286558
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-08-26
Publisher Place	Hungary
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	GSM Wireless LAN Ultrasonic imaging Computer simulation Hardware Transceivers Linear matrix inequalities Performance analysis Mathematical model Global Positioning System
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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