AU2001261186A1 - Low signal-to-noise ratio positioning system - Google Patents

Low signal-to-noise ratio positioning system

Info

Publication number
AU2001261186A1
AU2001261186A1 AU2001261186A AU6118601A AU2001261186A1 AU 2001261186 A1 AU2001261186 A1 AU 2001261186A1 AU 2001261186 A AU2001261186 A AU 2001261186A AU 6118601 A AU6118601 A AU 6118601A AU 2001261186 A1 AU2001261186 A1 AU 2001261186A1
Authority
AU
Australia
Prior art keywords
noise ratio
positioning system
low signal
ratio positioning
signal
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
AU2001261186A
Inventor
Sergey Lyusin
Todd V. Townsend
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.)
MNI Inc
Original Assignee
Magellan Corp
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 Magellan Corp filed Critical Magellan Corp
Publication of AU2001261186A1 publication Critical patent/AU2001261186A1/en
Abandoned 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
    • G01S5/0009—Transmission of position information to remote stations
    • G01S5/0045—Transmission from base station to mobile station
    • 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
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/03—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
    • G01S19/05—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing aiding 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
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13—Receivers
    • G01S19/24—Acquisition or tracking or demodulation of signals transmitted by the system
    • G01S19/25—Acquisition or tracking or demodulation of signals transmitted by the system involving aiding data received from a cooperating element, e.g. assisted GPS
AU2001261186A 2000-05-03 2001-05-03 Low signal-to-noise ratio positioning system Abandoned AU2001261186A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US20162500P 2000-05-03 2000-05-03
US60201625 2000-05-03
PCT/US2001/014417 WO2001084176A1 (en) 2000-05-03 2001-05-03 Low signal-to-noise ratio positioning system
US09/848,954 US20020005801A1 (en) 2000-05-03 2001-05-03 Low signal-to-noise ratio positioning system
US09848954 2001-05-03

Publications (1)

Publication Number Publication Date
AU2001261186A1 true AU2001261186A1 (en) 2001-11-12

Family

ID=26896958

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001261186A Abandoned AU2001261186A1 (en) 2000-05-03 2001-05-03 Low signal-to-noise ratio positioning system

Country Status (4)

Country Link
US (1) US20020005801A1 (en)
EP (1) EP1282830A1 (en)
AU (1) AU2001261186A1 (en)
WO (1) WO2001084176A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001084745A1 (en) 2000-05-03 2001-11-08 Magellan Corporation Method and apparatus for interference reduction
US7200414B2 (en) * 2002-08-07 2007-04-03 Seiko Epson Corporation Client-aiding with cellphones in a 150-KM radius area
NZ540166A (en) * 2002-10-25 2007-06-29 Foamix Ltd Cosmetic and pharmaceutical foam
FR2892828A1 (en) 2005-11-02 2007-05-04 Alcatel Sa Satellite position determining method, for e.g. global positioning system, involves determining forecasts of satellite positions based on satellite orbits computed by converting data items in Galilean-linked system
EP1989566B1 (en) * 2006-02-28 2011-06-08 Nokia Corporation Methods and apparatuses for assisted navigation systems
ATE491161T1 (en) 2006-09-21 2010-12-15 Nokia Corp SUPPORTED POSITION DETERMINATION BASED ON SATELLITE SIGNALS
EP2304460A4 (en) * 2008-06-27 2015-11-18 Nokia Technologies Oy Gnss satellite frequency is in gnss assistance data standards
US20140278838A1 (en) * 2013-03-14 2014-09-18 Uber Technologies, Inc. Determining an amount for a toll based on location data points provided by a computing device
US11009609B2 (en) 2018-07-17 2021-05-18 Spire Global, Inc. Systems and methods for de-noising GNSS signals

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4178550A (en) * 1977-06-03 1979-12-11 Bell Telephone Laboratories, Incorporated Method and apparatus to permit substantial cancellation of interference between a received first and second signal
US5917444A (en) * 1995-05-22 1999-06-29 Trimble Navigation Ltd. Reduction of time to first fix in an SATPS receiver
US5913170A (en) * 1994-11-16 1999-06-15 Highwaymaster Communications, Inc. Locating system and method using a mobile communications network
US5702070A (en) * 1995-09-20 1997-12-30 E-Systems, Inc. Apparatus and method using relative GPS positioning for aircraft precision approach and landing
US5873096A (en) * 1997-10-08 1999-02-16 Siebel Systems, Inc. Method of maintaining a network of partially replicated database system
US6047017A (en) * 1996-04-25 2000-04-04 Cahn; Charles R. Spread spectrum receiver with multi-path cancellation
US6160841A (en) * 1996-05-24 2000-12-12 Leica Geosystems Inc. Mitigation of multipath effects in global positioning system receivers
JP2002511164A (en) * 1997-02-26 2002-04-09 シーベル システムズ，インコーポレイティド How to determine the visibility of a remote database client for multiple database transactions for use in simplified visibility rules
US5977909A (en) * 1998-03-13 1999-11-02 General Electric Company Method and apparatus for locating an object using reduced number of GPS satellite signals or with improved accuracy
US6236359B1 (en) * 1998-05-14 2001-05-22 Nortel Networks Limited Cellular terminal location using GPS signals in the cellular band
US6226650B1 (en) * 1998-09-17 2001-05-01 Synchrologic, Inc. Database synchronization and organization system and method
US6058338A (en) * 1999-02-12 2000-05-02 Qualcomm Incorporated Method and apparatus for efficient GPS assistance in a communication system

Also Published As

Publication number Publication date
US20020005801A1 (en) 2002-01-17
EP1282830A1 (en) 2003-02-12
WO2001084176A1 (en) 2001-11-08

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