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AU6820694A - System for locating a source of bursty transmissions - Google Patents

System for locating a source of bursty transmissions

Info

Publication number
AU6820694A
AU6820694A AU68206/94A AU6820694A AU6820694A AU 6820694 A AU6820694 A AU 6820694A AU 68206/94 A AU68206/94 A AU 68206/94A AU 6820694 A AU6820694 A AU 6820694A AU 6820694 A AU6820694 A AU 6820694A
Authority
AU
Australia
Prior art keywords
locating
source
bursty transmissions
bursty
transmissions
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.)
Abandoned
Application number
AU68206/94A
Inventor
Curtis A Knight
Louis A Stilp
John C Webber
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.)
Associated RT Inc
Original Assignee
Associated RT Inc
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
Priority claimed from US08/059,248 external-priority patent/US5327144A/en
Application filed by Associated RT Inc filed Critical Associated RT Inc
Publication of AU6820694A publication Critical patent/AU6820694A/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • 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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/14—Systems for determining direction or deviation from predetermined direction
    • G01S3/46—Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
    • 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
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/06—Position of source determined by co-ordinating a plurality of position lines defined by path-difference measurements
    • 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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • G01S1/022—Means for monitoring or calibrating
    • G01S1/026—Means for monitoring or calibrating of associated receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
AU68206/94A 1993-05-07 1994-04-28 System for locating a source of bursty transmissions Abandoned AU6820694A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US08/059,248 US5327144A (en) 1993-05-07 1993-05-07 Cellular telephone location system
US059248 1993-05-07
US08/212,552 US5608410A (en) 1993-05-07 1994-03-11 System for locating a source of bursty transmissions cross reference to related applications
US212552 1994-03-11
PCT/US1994/004661 WO1994027161A1 (en) 1993-05-07 1994-04-28 System for locating a source of bursty transmissions

Publications (1)

Publication Number Publication Date
AU6820694A true AU6820694A (en) 1994-12-12

Family

ID=26738548

Family Applications (1)

Application Number Title Priority Date Filing Date
AU68206/94A Abandoned AU6820694A (en) 1993-05-07 1994-04-28 System for locating a source of bursty transmissions

Country Status (2)

Country Link
AU (1) AU6820694A (en)
WO (1) WO1994027161A1 (en)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
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EP0752113B1 (en) * 1994-03-25 2001-11-07 QUALCOMM Incorporated A position determination method for use with analog cellular system
US6192038B1 (en) 1995-10-18 2001-02-20 Mdiversity Inc. Method and apparatus for wireless communication employing aggregation for digital signals
US5805576A (en) * 1995-10-18 1998-09-08 Cellular Telecom, Ltd. Method and apparatus for TDMA wireless communication employing collector arrays for range extension
US5715516A (en) * 1995-10-18 1998-02-03 Cellular Telecom, Ltd. Method and apparatus for wireless communication employing collector arrays
EP0800319A1 (en) * 1996-04-02 1997-10-08 Hewlett-Packard Company Locating method for mobile radio systems
GB2316823A (en) * 1996-08-24 1998-03-04 Motorola Ltd Loxcating cellular radio transmitter
US6236365B1 (en) 1996-09-09 2001-05-22 Tracbeam, Llc Location of a mobile station using a plurality of commercial wireless infrastructures
US7274332B1 (en) 1996-09-09 2007-09-25 Tracbeam Llc Multiple evaluators for evaluation of a purality of conditions
WO1998010307A1 (en) 1996-09-09 1998-03-12 Dennis Jay Dupray Location of a mobile station
US9134398B2 (en) 1996-09-09 2015-09-15 Tracbeam Llc Wireless location using network centric location estimators
US5884215A (en) * 1997-01-31 1999-03-16 Motorola, Inc. Method and apparatus for covariance matrix estimation in a weighted least-squares location solution
US6201499B1 (en) * 1998-02-03 2001-03-13 Consair Communications Time difference of arrival measurement system
US20010016504A1 (en) * 1998-04-03 2001-08-23 Henrik Dam Method and system for handling radio signals in a radio base station
US8203486B1 (en) 1999-03-05 2012-06-19 Omnipol A.S. Transmitter independent techniques to extend the performance of passive coherent location
US8446321B2 (en) 1999-03-05 2013-05-21 Omnipol A.S. Deployable intelligence and tracking system for homeland security and search and rescue
US7889133B2 (en) 1999-03-05 2011-02-15 Itt Manufacturing Enterprises, Inc. Multilateration enhancements for noise and operations management
US7667647B2 (en) 1999-03-05 2010-02-23 Era Systems Corporation Extension of aircraft tracking and positive identification from movement areas into non-movement areas
US7777675B2 (en) 1999-03-05 2010-08-17 Era Systems Corporation Deployable passive broadband aircraft tracking
US7908077B2 (en) 2003-06-10 2011-03-15 Itt Manufacturing Enterprises, Inc. Land use compatibility planning software
US7570214B2 (en) 1999-03-05 2009-08-04 Era Systems, Inc. Method and apparatus for ADS-B validation, active and passive multilateration, and elliptical surviellance
US7739167B2 (en) 1999-03-05 2010-06-15 Era Systems Corporation Automated management of airport revenues
US7612716B2 (en) 1999-03-05 2009-11-03 Era Systems Corporation Correlation of flight track data with other data sources
US7782256B2 (en) 1999-03-05 2010-08-24 Era Systems Corporation Enhanced passive coherent location techniques to track and identify UAVs, UCAVs, MAVs, and other objects
AU1367101A (en) 1999-09-24 2002-01-08 Dennis J. Dupray Geographically constrained network services
US7177298B2 (en) 2000-01-07 2007-02-13 Gopal Chillariga Dynamic channel allocation in multiple-access communication systems
US9875492B2 (en) 2001-05-22 2018-01-23 Dennis J. Dupray Real estate transaction system
US10641861B2 (en) 2000-06-02 2020-05-05 Dennis J. Dupray Services and applications for a communications network
US10684350B2 (en) 2000-06-02 2020-06-16 Tracbeam Llc Services and applications for a communications network
US7965227B2 (en) 2006-05-08 2011-06-21 Era Systems, Inc. Aircraft tracking using low cost tagging as a discriminator
US9538493B2 (en) 2010-08-23 2017-01-03 Finetrak, Llc Locating a mobile station and applications therefor
CN103517206A (en) * 2012-06-25 2014-01-15 大唐联诚信息系统技术有限公司 Method and apparatus for mobile device positioning
CN113423097B (en) * 2020-08-20 2024-06-21 阿里巴巴集团控股有限公司 A positioning method, device and electronic equipment based on RFID

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3150372A (en) * 1959-06-23 1964-09-22 Motorola Inc Computing system
CA1122686A (en) * 1977-05-31 1982-04-27 David W. Wind Locating device
US5191342A (en) * 1981-08-06 1993-03-02 The United States Of America As Represented By The Secretary Of The Navy Fix-tracking system
US5317323A (en) * 1993-03-05 1994-05-31 E-Systems, Inc. Passive high accuracy geolocation system and method

Also Published As

Publication number Publication date
WO1994027161A1 (en) 1994-11-24

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