WO2004106963A3 - Method for tracking location of a mobile unit - Google Patents

Method for tracking location of a mobile unit Download PDF

Info

Publication number
WO2004106963A3
WO2004106963A3 PCT/US2004/016160 US2004016160W WO2004106963A3 WO 2004106963 A3 WO2004106963 A3 WO 2004106963A3 US 2004016160 W US2004016160 W US 2004016160W WO 2004106963 A3 WO2004106963 A3 WO 2004106963A3
Authority
WO
WIPO (PCT)
Prior art keywords
location
mobile unit
tracking location
probability
unit
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.)
Ceased
Application number
PCT/US2004/016160
Other languages
French (fr)
Other versions
WO2004106963A2 (en
Inventor
David P Goren
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.)
Symbol Technologies LLC
Original Assignee
Symbol Technologies LLC
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 Symbol Technologies LLC filed Critical Symbol Technologies LLC
Priority to EP04753057A priority Critical patent/EP1664825A2/en
Priority to JP2006533323A priority patent/JP2007515851A/en
Publication of WO2004106963A2 publication Critical patent/WO2004106963A2/en
Anticipated expiration legal-status Critical
Publication of WO2004106963A3 publication Critical patent/WO2004106963A3/en
Ceased legal-status Critical Current

Links

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
    • G01S5/0252—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)

Abstract

Location of a mobile unit is determined by a combined probablility, derived from a first probability for possible locations (LlPl, L2P3, L3P3) based on a current sample of radio signal characteristics and a second probability that a unit has moved from a prior location or probable location to each possible location.
PCT/US2004/016160 2003-05-23 2004-05-24 Method for tracking location of a mobile unit Ceased WO2004106963A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP04753057A EP1664825A2 (en) 2003-05-23 2004-05-24 Method for tracking location of a mobile unit
JP2006533323A JP2007515851A (en) 2003-05-23 2004-05-24 Mobile unit position tracking method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US47367203P 2003-05-23 2003-05-23
US60/473,672 2003-05-23

Publications (2)

Publication Number Publication Date
WO2004106963A2 WO2004106963A2 (en) 2004-12-09
WO2004106963A3 true WO2004106963A3 (en) 2007-03-15

Family

ID=33490629

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/016160 Ceased WO2004106963A2 (en) 2003-05-23 2004-05-24 Method for tracking location of a mobile unit

Country Status (5)

Country Link
US (2) US7424300B2 (en)
EP (1) EP1664825A2 (en)
JP (1) JP2007515851A (en)
CN (1) CN101124457A (en)
WO (1) WO2004106963A2 (en)

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US8971913B2 (en) 2003-06-27 2015-03-03 Qualcomm Incorporated Method and apparatus for wireless network hybrid positioning
US8483717B2 (en) 2003-06-27 2013-07-09 Qualcomm Incorporated Local area network assisted positioning
JP2005035532A (en) * 2003-06-30 2005-02-10 Komatsu Ltd Track tension adjuster
US6909399B1 (en) * 2003-12-31 2005-06-21 Symbol Technologies, Inc. Location system with calibration monitoring
US7319878B2 (en) 2004-06-18 2008-01-15 Qualcomm Incorporated Method and apparatus for determining location of a base station using a plurality of mobile stations in a wireless mobile network
US8369264B2 (en) 2005-10-28 2013-02-05 Skyhook Wireless, Inc. Method and system for selecting and providing a relevant subset of Wi-Fi location information to a mobile client device so the client device may estimate its position with efficient utilization of resources
US7493127B2 (en) 2005-02-22 2009-02-17 Skyhook Wireless, Inc. Continuous data optimization of new access points in positioning systems
US9046595B2 (en) * 2005-09-01 2015-06-02 Toshiba America Research, Inc. Client assisted location data acquisition scheme
US9042917B2 (en) * 2005-11-07 2015-05-26 Qualcomm Incorporated Positioning for WLANS and other wireless networks
US9226257B2 (en) * 2006-11-04 2015-12-29 Qualcomm Incorporated Positioning for WLANs and other wireless networks
WO2008129488A2 (en) * 2007-04-24 2008-10-30 Koninklijke Philips Electronics N. V. System and method for recalculation of probabilities in decision trees
US8600674B1 (en) * 2007-08-15 2013-12-03 University Of South Florida Using pattern recognition in real-time LBS applications
GB2472832B (en) * 2009-08-20 2012-01-25 Pro Solve Services Ltd Apparatus and method for identifying mobile stations
US9031605B2 (en) * 2010-03-04 2015-05-12 Ipcomm Mobile femto-cell in a wireless safety network
KR101868819B1 (en) 2010-06-11 2018-06-19 스카이후크 와이어리스, 인크. Methods of and Systems for Measuring Beacon Stability of Wireless Access Points
US8565783B2 (en) * 2010-11-24 2013-10-22 Microsoft Corporation Path progression matching for indoor positioning systems
US8981995B2 (en) 2011-06-03 2015-03-17 Microsoft Technology Licensing, Llc. Low accuracy positional data by detecting improbable samples
US9464903B2 (en) 2011-07-14 2016-10-11 Microsoft Technology Licensing, Llc Crowd sourcing based on dead reckoning
US9470529B2 (en) 2011-07-14 2016-10-18 Microsoft Technology Licensing, Llc Activating and deactivating sensors for dead reckoning
US10184798B2 (en) 2011-10-28 2019-01-22 Microsoft Technology Licensing, Llc Multi-stage dead reckoning for crowd sourcing
US9429657B2 (en) 2011-12-14 2016-08-30 Microsoft Technology Licensing, Llc Power efficient activation of a device movement sensor module
US9817125B2 (en) 2012-09-07 2017-11-14 Microsoft Technology Licensing, Llc Estimating and predicting structures proximate to a mobile device
US9674759B2 (en) * 2014-07-21 2017-06-06 Ipcomm Integrating mobile femto-cell access point into home appliance network

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030064735A1 (en) * 1998-09-22 2003-04-03 Spain David Stevenson Location determination using RF fingerprinting

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6084546A (en) * 1997-01-08 2000-07-04 Us Wireless Corporation Location determination in wireless communication systems using velocity information
US6064339A (en) * 1997-01-08 2000-05-16 Us Wireless Corporation Subspace signature matching for location ambiguity resolution in wireless communication systems
US6148211A (en) * 1997-09-05 2000-11-14 Motorola, Inc. Method and system for estimating a subscriber's location in a cluttered area
US6052598A (en) * 1997-09-30 2000-04-18 At&T Corp Method for predicting the location of a mobile station in a mobile communications network
US6393294B1 (en) * 1998-09-22 2002-05-21 Polaris Wireless, Inc. Location determination using RF fingerprinting
SE522893C2 (en) * 2001-06-28 2004-03-16 Saab Ab Method for tracking objects
US6873852B2 (en) * 2002-01-10 2005-03-29 Telefonaktiebolaget Lm Ericsson (Publ) System and method of estimating the position of a mobile terminal in a radio telecommunications network
US6839027B2 (en) * 2002-11-15 2005-01-04 Microsoft Corporation Location measurement process for radio-frequency badges employing path constraints
US7460505B2 (en) * 2003-02-04 2008-12-02 Polaris Wireless, Inc. Location estimation of wireless terminals through pattern matching of signal-strength differentials

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030064735A1 (en) * 1998-09-22 2003-04-03 Spain David Stevenson Location determination using RF fingerprinting

Also Published As

Publication number Publication date
JP2007515851A (en) 2007-06-14
CN101124457A (en) 2008-02-13
US20050014497A1 (en) 2005-01-20
WO2004106963A2 (en) 2004-12-09
US7424300B2 (en) 2008-09-09
US20090047975A1 (en) 2009-02-19
EP1664825A2 (en) 2006-06-07
US7873368B2 (en) 2011-01-18

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