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Title: Method of remote powering and detecting multiple UWB passive tags in an RFID system

Abstract

A new Radio Frequency Identification (RFID), tracking, powering apparatus/system and method using coded Ultra-wideband (UWB) signaling is introduced. The proposed hardware and techniques disclosed herein utilize a plurality of passive UWB transponders in a field of an RFID-radar system. The radar system itself enables multiple passive tags to be remotely powered (activated) at about the same time frame via predetermined frequency UWB pulsed formats. Once such tags are in an activated state, an UWB radar transmits specific "interrogating codes" to put predetermined tags in an awakened status. Such predetermined tags can then communicate by a unique "response code" so as to be detected by an UWB system using radar methods.

Inventors:
 [1];  [2];  [3];  [3];  [4]
+ Show Inventor Affiliations
  1. Castro Valley, CA
  2. San Ramon, CA
  3. Livermore, CA
  4. Palo Alto, CA
Issue Date:
Research Org.:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1041250
Patent Number(s):
8188841
Application Number:
US patent applicaiton 11/897,773
Assignee:
Lawrence Livermore National Security, LLC (Livermore, CA)
Patent Classifications (CPCs):
G - PHYSICS G06 - COMPUTING G06K - RECOGNITION OF DATA
H - ELECTRICITY H04 - ELECTRIC COMMUNICATION TECHNIQUE H04B - TRANSMISSION
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DOE Contract Number:  
W-7405-ENG-48
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
47 OTHER INSTRUMENTATION

Citation Formats

Dowla, Farid U, Nekoogar, Faranak, Benzel, David M, Dallum, Gregory E, and Spiridon, Alex. Method of remote powering and detecting multiple UWB passive tags in an RFID system. United States: N. p., 2012. Web.
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Dowla, Farid U, Nekoogar, Faranak, Benzel, David M, Dallum, Gregory E, & Spiridon, Alex. Method of remote powering and detecting multiple UWB passive tags in an RFID system. United States.
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Dowla, Farid U, Nekoogar, Faranak, Benzel, David M, Dallum, Gregory E, and Spiridon, Alex. Tue . "Method of remote powering and detecting multiple UWB passive tags in an RFID system". United States. https://www.osti.gov/servlets/purl/1041250.
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@article{osti_1041250,
title = {Method of remote powering and detecting multiple UWB passive tags in an RFID system},
author = {Dowla, Farid U and Nekoogar, Faranak and Benzel, David M and Dallum, Gregory E and Spiridon, Alex},
abstractNote = {A new Radio Frequency Identification (RFID), tracking, powering apparatus/system and method using coded Ultra-wideband (UWB) signaling is introduced. The proposed hardware and techniques disclosed herein utilize a plurality of passive UWB transponders in a field of an RFID-radar system. The radar system itself enables multiple passive tags to be remotely powered (activated) at about the same time frame via predetermined frequency UWB pulsed formats. Once such tags are in an activated state, an UWB radar transmits specific "interrogating codes" to put predetermined tags in an awakened status. Such predetermined tags can then communicate by a unique "response code" so as to be detected by an UWB system using radar methods.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue May 29 00:00:00 EDT 2012},
month = {Tue May 29 00:00:00 EDT 2012}
}
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Works referenced in this record:

A coded radar reflector for remote identification of personnel and vehicles
conference, January 1993

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