CA2459920A1 - Position detection and location tracking in a wireless network - Google Patents

Position detection and location tracking in a wireless network Download PDF

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Publication number
CA2459920A1
CA2459920A1 CA002459920A CA2459920A CA2459920A1 CA 2459920 A1 CA2459920 A1 CA 2459920A1 CA 002459920 A CA002459920 A CA 002459920A CA 2459920 A CA2459920 A CA 2459920A CA 2459920 A1 CA2459920 A1 CA 2459920A1
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CA
Canada
Prior art keywords
position detection
wireless network
location tracking
locales
access points
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
CA002459920A
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French (fr)
Other versions
CA2459920C (en
Inventor
Matthew K. Gray
Jeffrey J. Ii Penden
Yonald Chery
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Juniper Networks Inc
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Individual
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Filing date
Publication date
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Priority to CA2638754A priority Critical patent/CA2638754C/en
Publication of CA2459920A1 publication Critical patent/CA2459920A1/en
Application granted granted Critical
Publication of CA2459920C publication Critical patent/CA2459920C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W64/00Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S5/00Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02Position-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
    • G01S5/0205Details
    • G01S5/0215Interference
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S5/00Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02Position-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
    • G01S5/0252Radio frequency fingerprinting
    • G01S5/02521Radio frequency fingerprinting using a radio-map

Abstract

A system and method for performing real-time position detection and motion tracking of mobile communications devices (120) moving about in a defined space comprised of a plurality of locales is provided. A plurality of access points (110) are disposed about the space to provide an interface between mobile devices and a network having functionality and data available or accessible therefrom. Knowledge of adjacency of locales may be used to bette r determine the location of the mobile device as it transitions between locale s and feedback may be proceed to monitor the status and configuration of the access points.
CA002459920A 2001-09-05 2002-09-05 Position detection and location tracking in a wireless network Expired - Fee Related CA2459920C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2638754A CA2638754C (en) 2001-09-05 2002-09-05 Position detection and location tracking in a wireless network

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US31748001P 2001-09-05 2001-09-05
US60/317,480 2001-09-05
PCT/US2002/028090 WO2003021851A2 (en) 2001-09-05 2002-09-05 Position detection and location tracking in a wireless network

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA2638754A Division CA2638754C (en) 2001-09-05 2002-09-05 Position detection and location tracking in a wireless network

Publications (2)

Publication Number Publication Date
CA2459920A1 true CA2459920A1 (en) 2003-03-13
CA2459920C CA2459920C (en) 2008-12-02

Family

ID=23233847

Family Applications (2)

Application Number Title Priority Date Filing Date
CA002459920A Expired - Fee Related CA2459920C (en) 2001-09-05 2002-09-05 Position detection and location tracking in a wireless network
CA2638754A Expired - Fee Related CA2638754C (en) 2001-09-05 2002-09-05 Position detection and location tracking in a wireless network

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA2638754A Expired - Fee Related CA2638754C (en) 2001-09-05 2002-09-05 Position detection and location tracking in a wireless network

Country Status (8)

Country Link
US (1) US6674403B2 (en)
EP (1) EP1436639B1 (en)
JP (1) JP2005525003A (en)
AT (1) ATE365337T1 (en)
AU (1) AU2002335697A1 (en)
CA (2) CA2459920C (en)
DE (1) DE60220812T2 (en)
WO (1) WO2003021851A2 (en)

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