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Low cost and precise localization in a remote-powered wireless sensor and identification system
Sabzevar Tarbiat Moallem University, Sabzevar, Iran.
KTH, School of Information and Communication Technology (ICT), Centres, VinnExcellence Center for Intelligence in Paper and Packaging, iPACK. KTH, School of Information and Communication Technology (ICT), Electronic Systems.
2011 (English)Conference paper, Published paper (Refereed)
Abstract [en]

A low cost and precise localization system based on a remote-powered UWB-RFID tag is presented for wireless identification, sensing, positioning and tracking. Our contribution is to utilize the Impulse Radio Ultra wideband (IR-UWB) communication in aRFID system. Such as conventional RFIDs, a tag captures energy from the received RF signal transmitted by a reader which also carries data and clock. However, instead of backscattering, an Impulse-UWB transmitter is used. By a low power design operation distance of 13.9 meters is achieved. A network consist of several readers provide power and retrieve data from the tags in a wide area. Due to the fine time resolution of the ultra-short pulse in IR-UWB, the UWB receiver in the readers are able to accurately approximate the time of arrival of the signal and based on the time-difference-of-arrival algorithm the position of the tag can be estimated precisely. In the line-of-sight scenario by a two-step acquisition system, ±16.8cm accuracy can be achieved. By a new communication protocol proposed based on slotted-ALOHA anti-collision algorithm, 2000 tags per second can be read. The tag circuitry is designed and implemented in CMOS 180nm technology in a single chip solution.

Place, publisher, year, edition, pages
2011. 1-5 p.
Keyword [en]
Acquisition systems, Anti-collision algorithms, Impulse radio ultra-wideband, Line-of-sight scenarios, Localization system, Low costs, Low-power design, Positioning and tracking, RF signal, RFID systems, Single chip solution, Time of Arrival, Time resolution, Time-difference-of-arrival, UWB receivers, Wide area, Wireless sensor
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-68741Scopus ID: 2-s2.0-80051942615ISBN: 978-964463428-4 (print)OAI: oai:DiVA.org:kth-68741DiVA: diva2:485260
Conference
19th Iranian Conference on Electrical Engineering, ICEE 2011, Tehran, Iran, 17-19 May 2011
Note

QC 20140916

Available from: 2012-01-28 Created: 2012-01-28 Last updated: 2014-09-16Bibliographically approved

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