CA2325381A1 - System and method for position determination by impulse radio - Google Patents

System and method for position determination by impulse radio Download PDF

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Publication number
CA2325381A1
CA2325381A1 CA002325381A CA2325381A CA2325381A1 CA 2325381 A1 CA2325381 A1 CA 2325381A1 CA 002325381 A CA002325381 A CA 002325381A CA 2325381 A CA2325381 A CA 2325381A CA 2325381 A1 CA2325381 A1 CA 2325381A1
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CA
Canada
Prior art keywords
transceiver
pulses
sequence
reference signal
determined
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002325381A
Other languages
French (fr)
Other versions
CA2325381C (en
Inventor
Larry W. Fullerton
James L. Richards
Ivan A. Cowie
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Time Domain Corp
Original Assignee
Time Domain Corporation
Larry W. Fullerton
James L. Richards
Ivan A. Cowie
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Time Domain Corporation, Larry W. Fullerton, James L. Richards, Ivan A. Cowie filed Critical Time Domain Corporation
Publication of CA2325381A1 publication Critical patent/CA2325381A1/en
Application granted granted Critical
Publication of CA2325381C publication Critical patent/CA2325381C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/7163—Spread spectrum techniques using impulse radio
    • H04B1/7183—Synchronisation
    • 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
    • G01S13/42—Simultaneous measurement of distance and other co-ordinates
    • 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
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B2001/6908—Spread spectrum techniques using time hopping

Abstract

A system and a method for position determination by impulse radio using a first transceiver having a first clock providing a first reference signal and a second transceiver placed from the first transceiver.
The system determines the position of the second transceiver.
The second transceiver has a second clock that provides a second reference signal. A first sequence of pulses are transmitted from the first transceiver. The first sequence of pulses are then received at the second transceiver and the second transceiver is then synchronized with the first sequence of pulses. A second sequence of pulses are transmitted from the second transceiver. The first transceiver receives the second sequence of pulses and the first transceiver is synchronized with the second sequence of pulses. A delayed first reference signal is generated in response to the synchronization with the second sequence of pulses. A time difference between the delayed first reference signal and the first reference signal is then measured. The time difference indicates a total time of flight of the first and second sequence of pulses. The distance between the first and the second transceiver is determined from the time difference. The direction of the second transceiver from the first transceiver is determined using a directional antenna. Finally, the position of the second transceiver is determined using the distance and the direction.
CA002325381A 1998-03-23 1999-03-23 System and method for position determination by impulse radio Expired - Lifetime CA2325381C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/045,929 US6133876A (en) 1998-03-23 1998-03-23 System and method for position determination by impulse radio
US09/045,929 1998-03-23
PCT/US1999/006218 WO1999049333A1 (en) 1998-03-23 1999-03-23 System and method for position determination by impulse radio

Publications (2)

Publication Number Publication Date
CA2325381A1 true CA2325381A1 (en) 1999-09-30
CA2325381C CA2325381C (en) 2006-12-05

Family

ID=21940600

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002325381A Expired - Lifetime CA2325381C (en) 1998-03-23 1999-03-23 System and method for position determination by impulse radio

Country Status (7)

Country Link
US (8) US6133876A (en)
EP (1) EP1071967B1 (en)
AT (1) ATE298093T1 (en)
AU (1) AU762773B2 (en)
CA (1) CA2325381C (en)
DE (1) DE69925823D1 (en)
WO (1) WO1999049333A1 (en)

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US6611234B2 (en) 2003-08-26
US7372403B2 (en) 2008-05-13
US6300903B1 (en) 2001-10-09
AU762773B2 (en) 2003-07-03
US7710320B2 (en) 2010-05-04
WO1999049333A1 (en) 1999-09-30
EP1071967A1 (en) 2001-01-31
US6297773B1 (en) 2001-10-02
US20080136709A1 (en) 2008-06-12
US20060017614A1 (en) 2006-01-26
US20030197643A1 (en) 2003-10-23
ATE298093T1 (en) 2005-07-15
CA2325381C (en) 2006-12-05
EP1071967B1 (en) 2005-06-15
DE69925823D1 (en) 2005-07-21
US6774846B2 (en) 2004-08-10
US6133876A (en) 2000-10-17
US7495613B2 (en) 2009-02-24
US20080100497A1 (en) 2008-05-01
US20020109632A1 (en) 2002-08-15
AU3360199A (en) 1999-10-18

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