WO2003024131A8 - System for utilizing cell information to locate a wireless device - Google Patents

System for utilizing cell information to locate a wireless device

Info

Publication number
WO2003024131A8
WO2003024131A8 PCT/US2002/028823 US0228823W WO03024131A8 WO 2003024131 A8 WO2003024131 A8 WO 2003024131A8 US 0228823 W US0228823 W US 0228823W WO 03024131 A8 WO03024131 A8 WO 03024131A8
Authority
WO
WIPO (PCT)
Prior art keywords
wireless device
locate
cell information
cellular
utilizing cell
Prior art date
Application number
PCT/US2002/028823
Other languages
French (fr)
Other versions
WO2003024131A1 (en
Inventor
Ashutosh Pande
Lionel Jacques Garin
Original Assignee
Sirf Tech Inc
Ashutosh Pande
Lionel Jacques Garin
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 Sirf Tech Inc, Ashutosh Pande, Lionel Jacques Garin filed Critical Sirf Tech Inc
Priority to DE60229870T priority Critical patent/DE60229870D1/en
Priority to EP02770497A priority patent/EP1437014B1/en
Priority to US10/489,225 priority patent/US7672675B2/en
Publication of WO2003024131A1 publication Critical patent/WO2003024131A1/en
Publication of WO2003024131A8 publication Critical patent/WO2003024131A8/en
Priority to US11/645,114 priority patent/US8165607B2/en
Priority to US12/704,568 priority patent/US8000723B2/en
Priority to US13/112,807 priority patent/US8103289B2/en

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
    • 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
    • G01S19/256—Acquisition or tracking or demodulation of signals transmitted by the system involving aiding data received from a cooperating element, e.g. assisted GPS relating to timing, e.g. time of week, code phase, timing offset
    • 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
    • G01S19/06—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing aiding data employing an initial estimate of the location of the receiver as aiding data or in generating 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
    • G01S19/252—Employing an initial estimate of location in generating assistance 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
    • 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
    • G01S5/0252—Radio frequency fingerprinting
    • G01S5/02521—Radio frequency fingerprinting using a radio-map
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/10—Details of telephonic subscriber devices including a GPS signal receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information

Abstract

A system is described that utilizes the measured characteristics of a cell site or a plurality of cell sites (100, 102, 104) and the cellular identification to selectively provide a wireless device (118) with location aiding from a cellular network server (120). The system may include a basestation (106, 108, 110) located within the cell site, a cellular measurement unit located in the wireless device (118), and a database (214) containing positional assistance information corresponding to the characteristic information. The system may also include a processing unit in signal communication with the basestation and the database (214) and a positional determination unit in the wireless device (118).
PCT/US2002/028823 2001-09-10 2002-09-10 System for utilizing cell information to locate a wireless device WO2003024131A1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DE60229870T DE60229870D1 (en) 2001-09-10 2002-09-10 SYSTEM FOR USING CELL INFORMATION FOR FINDING A WIRELESS DEVICE
EP02770497A EP1437014B1 (en) 2001-09-10 2002-09-10 System for utilizing cell information to locate a wireless device
US10/489,225 US7672675B2 (en) 2001-09-10 2002-09-10 System of utilizing cell information to locate a wireless device
US11/645,114 US8165607B2 (en) 2001-09-10 2006-12-22 System and method for estimating cell center position for cell ID based positioning
US12/704,568 US8000723B2 (en) 2001-09-10 2010-02-12 System of utilizing cell information to locate a wireless device
US13/112,807 US8103289B2 (en) 2001-09-10 2011-05-20 System of utilizing cell information to locate a wireless device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US31880601P 2001-09-10 2001-09-10
US60/318,806 2001-09-10

Related Child Applications (3)

Application Number Title Priority Date Filing Date
US10489225 A-371-Of-International 2002-09-10
US11/645,114 Continuation-In-Part US8165607B2 (en) 2001-09-10 2006-12-22 System and method for estimating cell center position for cell ID based positioning
US12/704,568 Continuation US8000723B2 (en) 2001-09-10 2010-02-12 System of utilizing cell information to locate a wireless device

Publications (2)

Publication Number Publication Date
WO2003024131A1 WO2003024131A1 (en) 2003-03-20
WO2003024131A8 true WO2003024131A8 (en) 2003-08-21

Family

ID=23239637

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/028823 WO2003024131A1 (en) 2001-09-10 2002-09-10 System for utilizing cell information to locate a wireless device

Country Status (5)

Country Link
US (3) US7672675B2 (en)
EP (1) EP1437014B1 (en)
AT (1) ATE414390T1 (en)
DE (1) DE60229870D1 (en)
WO (1) WO2003024131A1 (en)

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Also Published As

Publication number Publication date
WO2003024131A1 (en) 2003-03-20
DE60229870D1 (en) 2008-12-24
US20110223934A1 (en) 2011-09-15
EP1437014A2 (en) 2004-07-14
US7672675B2 (en) 2010-03-02
US8103289B2 (en) 2012-01-24
US20040180670A1 (en) 2004-09-16
ATE414390T1 (en) 2008-11-15
EP1437014A4 (en) 2006-03-22
US20100210285A1 (en) 2010-08-19
EP1437014B1 (en) 2008-11-12
US8000723B2 (en) 2011-08-16

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