AU2120788A - Navigation and tracking system - Google Patents

Navigation and tracking system

Info

Publication number
AU2120788A
AU2120788A AU21207/88A AU2120788A AU2120788A AU 2120788 A AU2120788 A AU 2120788A AU 21207/88 A AU21207/88 A AU 21207/88A AU 2120788 A AU2120788 A AU 2120788A AU 2120788 A AU2120788 A AU 2120788A
Authority
AU
Australia
Prior art keywords
navigation
tracking system
tracking
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
AU21207/88A
Other versions
AU618276B2 (en
Inventor
Peter James Duffett-Smith
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.)
Cambridge Positioning Systems Ltd
Original Assignee
Cambridge Positioning Systems Ltd
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 GB878718881A external-priority patent/GB8718881D0/en
Priority claimed from GB888803754A external-priority patent/GB8803754D0/en
Application filed by Cambridge Positioning Systems Ltd filed Critical Cambridge Positioning Systems Ltd
Priority claimed from PCT/GB1988/000617 external-priority patent/WO1989001637A1/en
Publication of AU2120788A publication Critical patent/AU2120788A/en
Application granted granted Critical
Publication of AU618276B2 publication Critical patent/AU618276B2/en
Assigned to CAMBRIDGE POSITIONING SYSTEMS LIMITED reassignment CAMBRIDGE POSITIONING SYSTEMS LIMITED Alteration of Name(s) in Register under S187 Assignors: CAMBRIDGE CAPITAL MANAGEMENT LIMITED, CAMBRIDGE RESEARCH AND INNOVATION LIMITED, LYNXVALE LIMITED
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • G01S5/14—Determining absolute distances from a plurality of spaced points of known location
    • 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
    • G01S5/0009—Transmission of position information to remote stations
    • 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
    • G01S5/0246—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 involving frequency difference of arrival or Doppler 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
    • 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
    • G01S5/10—Position of receiver fixed by co-ordinating a plurality of position lines defined by path-difference measurements, e.g. omega or decca 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
    • G01S5/14—Determining absolute distances from a plurality of spaced points of known location
    • G01S5/145—Using a supplementary range measurement, e.g. based on pseudo-range measurements

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
AU21207/88A 1987-08-10 1988-07-28 Navigation and tracking system Ceased AU618276B2 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB8718881 1987-08-10
GB878718881A GB8718881D0 (en) 1987-08-10 1987-08-10 Navigation & tracking system
GB888803754A GB8803754D0 (en) 1988-02-18 1988-02-18 Navigation & tracking system
GB8803754 1988-02-18
PCT/GB1988/000617 WO1989001637A1 (en) 1987-08-10 1988-07-28 Navigation and tracking system

Publications (2)

Publication Number Publication Date
AU2120788A true AU2120788A (en) 1989-03-09
AU618276B2 AU618276B2 (en) 1991-12-19

Family

ID=27263543

Family Applications (1)

Application Number Title Priority Date Filing Date
AU21207/88A Ceased AU618276B2 (en) 1987-08-10 1988-07-28 Navigation and tracking system

Country Status (1)

Country Link
AU (1) AU618276B2 (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4651156A (en) * 1982-02-08 1987-03-17 Mcgraw-Edison Co. Integrated radio location and communication system

Also Published As

Publication number Publication date
AU618276B2 (en) 1991-12-19

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired