WO2005085899A1 - Object location system and method using rfid - Google Patents
Object location system and method using rfid Download PDFInfo
- Publication number
- WO2005085899A1 WO2005085899A1 PCT/US2005/005897 US2005005897W WO2005085899A1 WO 2005085899 A1 WO2005085899 A1 WO 2005085899A1 US 2005005897 W US2005005897 W US 2005005897W WO 2005085899 A1 WO2005085899 A1 WO 2005085899A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- backscatter
- phase
- rfid
- modulated signals
- channel
- Prior art date
Links
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
- G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/46—Indirect determination of position data
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/87—Combinations of radar systems, e.g. primary radar and secondary radar
- G01S13/878—Combination of several spaced transmitters or receivers of known location for determining the position of a transponder or a reflector
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
- G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
- G01S13/34—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
- G01S13/346—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal using noise modulation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/46—Indirect determination of position data
- G01S2013/466—Indirect determination of position data by Trilateration, i.e. two antennas or two sensors determine separately the distance to a target, whereby with the knowledge of the baseline length, i.e. the distance between the antennas or sensors, the position data of the target is determined
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05723669.7A EP1721187B1 (en) | 2004-03-01 | 2005-02-25 | Object location system and method using rfid |
AU2005218459A AU2005218459B2 (en) | 2004-03-01 | 2005-02-25 | Object location system using RFID |
CA2557341A CA2557341C (en) | 2004-03-01 | 2005-02-25 | Object location system and method using rfid |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/791,329 US7119738B2 (en) | 2004-03-01 | 2004-03-01 | Object location system and method using RFID |
US10/791,329 | 2004-03-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005085899A1 true WO2005085899A1 (en) | 2005-09-15 |
Family
ID=34887587
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2005/005897 WO2005085899A1 (en) | 2004-03-01 | 2005-02-25 | Object location system and method using rfid |
Country Status (5)
Country | Link |
---|---|
US (1) | US7119738B2 (en) |
EP (1) | EP1721187B1 (en) |
AU (2) | AU2005218459B2 (en) |
CA (1) | CA2557341C (en) |
WO (1) | WO2005085899A1 (en) |
Cited By (3)
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US7752089B2 (en) | 2007-03-02 | 2010-07-06 | The Curators Of The University Of Missouri | Adaptive inventory management system |
US8143996B2 (en) | 2007-01-08 | 2012-03-27 | The Curators Of The University Of Missouri | Decentralized radio frequency identification system |
US9367785B2 (en) | 2010-04-26 | 2016-06-14 | Cambridge Enterprise Limited | RFID tag location systems |
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US20050190098A1 (en) | 2005-09-01 |
AU2005218459B2 (en) | 2009-12-03 |
CA2557341C (en) | 2012-12-18 |
CA2557341A1 (en) | 2005-09-15 |
US7119738B2 (en) | 2006-10-10 |
AU2010200808B2 (en) | 2012-07-05 |
EP1721187A1 (en) | 2006-11-15 |
EP1721187B1 (en) | 2013-07-24 |
AU2005218459A1 (en) | 2005-09-15 |
AU2010200808A1 (en) | 2010-03-25 |
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