NDLI: An ubiquitous positioning system based on IEEE 802.15.4 radio signals

Content Provider	IEEE Xplore Digital Library
Author	Rolando, A. Amoruso, E.
Copyright Year	2013
Description	Author affiliation: Dept. of Aerosp. Sci. & Technol., Politec. di Milano, Milan, Italy (Rolando, A.; Amoruso, E.)
Abstract	This work presents a theoretical and experimental study of methods and strategies to implement an ubiquitous positioning system based on IEEE 802.15.4 radio signals. Ranging phase is first analyzed. An empirical method, for a combined use of both Received Signal Strength Indicator (RSSI) and Time Of Flight (TOF) measures, is proposed. Distance measurements performed in different scenarios highlight that RSSI measures provide lower errors on short distance while TOF measures are more suitable for longer distances. The RSSI threshold in use can be different for every scenario but our measurements show that it can be well identified by observing the relevant RSSI calibration curve. Once this threshold is identified, a complementary use of RSSI and TOF measures is then possible. Subsequently the positioning phase is analyzed. The main range-based and centralized localization algorithms are at first compared using simulated localizations, both in their cooperative and non cooperative version, in order to have a complete overview of their performances. However, the considered driving case study (the position monitoring of vehicles/assets in a typical airport area) puts in evidence the requirement for a non cooperative localization strategy. In this condition simulations show that the optimization approach outperforms the other localization algorithms. The deterministic optimization has been also preferred to the stochastic one: position accuracy being equal, the stochastic optimization methods also need the preliminary set up of different parameters through several simulations and trials. Real-world positioning tests, considering indoor and outdoor scenarios of different sizes (from ten to some hundreds of meters) confirm the validity of this choice, the effectiveness of the proposed ranging method and also the importance of exploiting anchors' redundancy. However, position accuracy is still poor for the most noisy scenarios. Future works should focus on the development of an efficient weighting algorithm to further decrease position error.
Sponsorship	IEEE
Starting Page	1
Ending Page	10
File Size	2951011
Page Count	10
File Format	PDF
ISBN	9781479940431
DOI	10.1109/IPIN.2013.6817840
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-10-28
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	IEEE 802.11 Standards Time measurement Battery charge measurement Time of flight Real-world positioning tests Vehicles RSSI IEEE 802.15 Standards Ubiquitous localization Position measurement IEEE 802.15.4 Localization algorithm Distance measurement
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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