NDLI: Design and Implementation of a Real-Time Object Location System Based on Passive RFID Tags

Content Provider	IEEE Xplore Digital Library
Author	Han-Yen Yu Jiann-Jone Chen Tien-Ruey Hsiang
Copyright Year	2001
Abstract	We investigate how to well utilize radio frequency identification techniques for real-time location systems (RTLS). A new control method, locate tracking tag through reader power control and candidate region intersection (LOCTREC), has been proposed to improve the RTLS estimation accuracy by eliminating trivial tag information from the estimation procedure. Multireaders were deployed and operated with multipower level to progressively refine the target tag region for accurate location estimation. To enhance the LOCTREC, visual tag interpolation algorithms were adopted to further refine the tag grid to enhance location estimation. Experiments showed that the estimation errors is 70% smaller than its counterpart of LANDMARC and SpotON which deploy regularly spaced reference tags to determine signal strength. For intuitive displaying the result, a video surveillance module was integrated with the RTLS to visually render the located objects, based on which context-aware services can be developed. One example is a smart wheelchair (SWC) with a friendly user-environment control interface that enables SWC users to interact with his living environment like a normal healthy person.
Sponsorship	IEEE Sensors Council
Starting Page	5015
Ending Page	5023
Page Count	9
File Size	3093949
File Format	PDF
ISSN	1530437X
Volume Number	15
Issue Number	9
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Estimation Radiofrequency identification Accuracy Real-time systems Cameras Interpolation Visual Rendering Radio Frequency IDentification (RFID) Real-Time Location System Tag Interference Multi-Power Level RFID Reader visual rendering Radio frequency identification (RFID) real-time location system tag interference multi-power level RFID reader
Content Type	Text
Resource Type	Article
Subject	Instrumentation Electrical and Electronic Engineering

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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