WO1997022888A1 - Position location system and method - Google Patents
Position location system and method Download PDFInfo
- Publication number
- WO1997022888A1 WO1997022888A1 PCT/US1996/019528 US9619528W WO9722888A1 WO 1997022888 A1 WO1997022888 A1 WO 1997022888A1 US 9619528 W US9619528 W US 9619528W WO 9722888 A1 WO9722888 A1 WO 9722888A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- portable unit
- base stations
- locating signal
- signal
- antenna
- Prior art date
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
- G01S5/06—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
- G01S1/04—Details
- G01S1/045—Receivers
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE69608311T DE69608311T2 (de) | 1995-12-15 | 1996-12-09 | System und verfahren zur ortsbestimmung |
EP96944268A EP0870203B1 (en) | 1995-12-15 | 1996-12-09 | Position location system and method |
AU14120/97A AU1412097A (en) | 1995-12-15 | 1996-12-09 | Position location system and method |
AT96944268T ATE192853T1 (de) | 1995-12-15 | 1996-12-09 | System und verfahren zur ortsbestimmung |
CA002240628A CA2240628C (en) | 1995-12-15 | 1996-12-09 | Position location system and method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/573,057 US5883598A (en) | 1995-12-15 | 1995-12-15 | Position location system and method |
US08/573,057 | 1995-12-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1997022888A1 true WO1997022888A1 (en) | 1997-06-26 |
Family
ID=24290473
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1996/019528 WO1997022888A1 (en) | 1995-12-15 | 1996-12-09 | Position location system and method |
Country Status (7)
Cited By (11)
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US9538493B2 (en) | 2010-08-23 | 2017-01-03 | Finetrak, Llc | Locating a mobile station and applications therefor |
EP3199970A3 (en) * | 2016-01-05 | 2017-12-06 | Elta Systems Ltd. | Method of locating a transmitting source in multipath environment and system thereof |
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US10641861B2 (en) | 2000-06-02 | 2020-05-05 | Dennis J. Dupray | Services and applications for a communications network |
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US6243587B1 (en) | 1997-12-10 | 2001-06-05 | Ericsson Inc. | Method and system for determining position of a mobile transmitter |
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US6700535B2 (en) | 2001-06-01 | 2004-03-02 | Texas Instruments Incorporated | Location estimation in narrow bandwidth wireless communication systems |
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US10849089B2 (en) | 2010-08-23 | 2020-11-24 | Finetrak, Llc | Resource allocation according to geolocation of mobile communication units |
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Also Published As
Publication number | Publication date |
---|---|
DE69608311T2 (de) | 2000-09-14 |
CA2240628A1 (en) | 1997-06-26 |
CA2240628C (en) | 2004-05-25 |
EP0870203B1 (en) | 2000-05-10 |
DE69608311D1 (de) | 2000-06-15 |
AU1412097A (en) | 1997-07-14 |
EP0870203A1 (en) | 1998-10-14 |
ATE192853T1 (de) | 2000-05-15 |
US5883598A (en) | 1999-03-16 |
US6259404B1 (en) | 2001-07-10 |
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