CA2638754C - 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
CA2638754C
CA2638754C CA2638754A CA2638754A CA2638754C CA 2638754 C CA2638754 C CA 2638754C CA 2638754 A CA2638754 A CA 2638754A CA 2638754 A CA2638754 A CA 2638754A CA 2638754 C CA2638754 C CA 2638754C
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CA
Canada
Prior art keywords
signal strength
data
mobile device
access points
locale
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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.)
Expired - Fee Related
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CA2638754A
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English (en)
French (fr)
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CA2638754A1 (en
Inventor
Matthew K. Gray
Jeffrey J. Ii Peden
Yonald Chery
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Publication of CA2638754A1 publication Critical patent/CA2638754A1/en
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Publication of CA2638754C publication Critical patent/CA2638754C/en
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Expired - Fee Related legal-status Critical Current

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Classifications

    • 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
    • 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
    • G01S5/0205—Details
    • G01S5/0215—Interference
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Traffic Control Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
CA2638754A 2001-09-05 2002-09-05 Position detection and location tracking in a wireless network Expired - Fee Related CA2638754C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US31748001P 2001-09-05 2001-09-05
US60/317,480 2001-09-05
CA002459920A CA2459920C (en) 2001-09-05 2002-09-05 Position detection and location tracking in a wireless network

Related Parent Applications (1)

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

Publications (2)

Publication Number Publication Date
CA2638754A1 CA2638754A1 (en) 2003-03-13
CA2638754C true CA2638754C (en) 2013-04-02

Family

ID=23233847

Family Applications (2)

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
CA002459920A Expired - Fee Related CA2459920C (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
CA002459920A Expired - Fee Related CA2459920C (en) 2001-09-05 2002-09-05 Position detection and location tracking in a wireless network

Country Status (8)

Country Link
US (1) US6674403B2 (enExample)
EP (1) EP1436639B1 (enExample)
JP (1) JP2005525003A (enExample)
AT (1) ATE365337T1 (enExample)
AU (1) AU2002335697A1 (enExample)
CA (2) CA2638754C (enExample)
DE (1) DE60220812T2 (enExample)
WO (1) WO2003021851A2 (enExample)

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