CA2047253A1 - Methode de localisation de stations mobiles - Google Patents

Methode de localisation de stations mobiles

Info

Publication number
CA2047253A1
CA2047253A1 CA2047253A CA2047253A CA2047253A1 CA 2047253 A1 CA2047253 A1 CA 2047253A1 CA 2047253 A CA2047253 A CA 2047253A CA 2047253 A CA2047253 A CA 2047253A CA 2047253 A1 CA2047253 A1 CA 2047253A1
Authority
CA
Canada
Prior art keywords
mobile station
location
pdf
probability density
density function
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
CA2047253A
Other languages
English (en)
Other versions
CA2047253C (fr
Inventor
Wing Fai Lo
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.)
Nortel Networks Ltd
Original Assignee
Northern Telecom Ltd
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 Northern Telecom Ltd filed Critical Northern Telecom Ltd
Publication of CA2047253A1 publication Critical patent/CA2047253A1/fr
Application granted granted Critical
Publication of CA2047253C publication Critical patent/CA2047253C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01S5/0205—Details
    • G01S5/0244—Accuracy or reliability of position solution or of measurements contributing thereto

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)
CA002047253A 1990-12-19 1991-07-17 Methode de localisation de stations mobiles Expired - Fee Related CA2047253C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US630,010 1990-12-19
US07/630,010 US5293642A (en) 1990-12-19 1990-12-19 Method of locating a mobile station

Publications (2)

Publication Number Publication Date
CA2047253A1 true CA2047253A1 (fr) 1992-06-20
CA2047253C CA2047253C (fr) 2000-02-01

Family

ID=24525388

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002047253A Expired - Fee Related CA2047253C (fr) 1990-12-19 1991-07-17 Methode de localisation de stations mobiles

Country Status (2)

Country Link
US (1) US5293642A (fr)
CA (1) CA2047253C (fr)

Families Citing this family (216)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6359872B1 (en) * 1997-10-28 2002-03-19 Intermec Ip Corp. Wireless personal local area network
FR2687520B1 (fr) * 1992-02-14 1994-05-06 France Telecom Procede d'implantation de l'infrastructure d'un reseau cellulaire de communication.
SE9202369L (sv) * 1992-08-18 1993-07-26 Televerket Foerfarande foer uppskattning av trafikdensitet i mobiltelefonnaet
DE4233210C2 (de) * 1992-10-02 1996-08-14 Bosch Gmbh Robert Rundfunkempfänger
US5327144A (en) * 1993-05-07 1994-07-05 Associated Rt, Inc. Cellular telephone location system
US5551061A (en) * 1994-02-24 1996-08-27 Motorola, Inc. Apparatus and method in a radio communication system for distinguishing an identifier of a nearby transmitter from that of a more distant transmitter
ATE208507T1 (de) 1994-03-25 2001-11-15 Qualcomm Inc Standortsbestimmungsverfahren zur verwendung mit einem analogen zellularsystem
US5537460A (en) * 1994-07-08 1996-07-16 Holliday, Jr.; Robert O. Method and apparatus for determining the precise location of a modified cellular telephone using registration messages and reverse control channel transmission
US5508707A (en) * 1994-09-28 1996-04-16 U S West Technologies, Inc. Method for determining position by obtaining directional information from spatial division multiple access (SDMA)-equipped and non-SDMA-equipped base stations
US5959580A (en) * 1994-11-03 1999-09-28 Ksi Inc. Communications localization system
US5629707A (en) * 1995-01-06 1997-05-13 Motorola, Inc. Flexible signal source location apparatus and method therefor
US5797091A (en) * 1995-03-07 1998-08-18 Xypoint Corporation Personal communication system and method of use
US5613205A (en) * 1995-03-31 1997-03-18 Telefonaktiebolaget Lm Ericsson System and method of locating a mobile terminal within the service area of a cellular telecommunication system
FI105515B (fi) * 1995-05-24 2000-08-31 Nokia Networks Oy Menetelmä kanavanvaihdon nopeuttamiseksi sekä solukkoradiojärjestelmä
US5732354A (en) * 1995-06-07 1998-03-24 At&T Wireless Services, Inc. Method and apparatus for determining the location of a mobile telephone
JPH102950A (ja) 1995-07-25 1998-01-06 Rookasu:Kk 位置決めシステム
GB9519087D0 (en) 1995-09-19 1995-11-22 Cursor Positioning Sys Ltd Navigation and tracking system
US5844522A (en) * 1995-10-13 1998-12-01 Trackmobile, Inc. Mobile telephone location system and method
US5883598A (en) 1995-12-15 1999-03-16 Signatron Technology Corporation Position location system and method
GB2311697B (en) 1996-03-22 1999-07-28 Matsushita Electric Ind Co Ltd Wireless communication system and method and system for detection of position of radio mobile station
US5895436A (en) * 1996-04-26 1999-04-20 Savoie; Paul-Andreroland Vehicle tracking system using cellular network
US6108555A (en) * 1996-05-17 2000-08-22 Ksi, Inc. Enchanced time difference localization system
US5969595A (en) * 1996-07-22 1999-10-19 Trimble Navigation Limited Security for transport vehicles and cargo
US5873040A (en) * 1996-08-13 1999-02-16 International Business Machines Corporation Wireless 911 emergency location
US9134398B2 (en) 1996-09-09 2015-09-15 Tracbeam Llc Wireless location using network centric location estimators
US6236365B1 (en) 1996-09-09 2001-05-22 Tracbeam, Llc Location of a mobile station using a plurality of commercial wireless infrastructures
US7274332B1 (en) 1996-09-09 2007-09-25 Tracbeam Llc Multiple evaluators for evaluation of a purality of conditions
US7714778B2 (en) * 1997-08-20 2010-05-11 Tracbeam Llc Wireless location gateway and applications therefor
GB2337386B (en) 1996-09-09 2001-04-04 Dennis J Dupray Location of a mobile station
US7903029B2 (en) 1996-09-09 2011-03-08 Tracbeam Llc Wireless location routing applications and architecture therefor
AU4338597A (en) * 1996-09-09 1998-03-26 Dennis Jay Dupray Location of a mobile station using a plurality of commercial wireless infrastructures
US6249252B1 (en) 1996-09-09 2001-06-19 Tracbeam Llc Wireless location using multiple location estimators
FR2753593B1 (fr) * 1996-09-18 1998-11-13 Desseignes Christophe Protocole d'intercommunication auto-adaptatif entre bornes fixes radio d'un reseau de telephonie cellulaire
US5924040A (en) * 1996-11-20 1999-07-13 Telxon Corporation Wireless communication system having base station with adjustable power transceiver for locating mobile devices
US6061337A (en) * 1996-12-02 2000-05-09 Lucent Technologies Inc. System and method for CDMA handoff using telemetry to determine the need for handoff and to select the destination cell site
JP3305608B2 (ja) * 1997-02-20 2002-07-24 松下電器産業株式会社 距離測定機能付き移動体通信機
US5973643A (en) * 1997-04-11 1999-10-26 Corsair Communications, Inc. Method and apparatus for mobile emitter location
US6040800A (en) * 1997-04-22 2000-03-21 Ericsson Inc. Systems and methods for locating remote terminals in radiocommunication systems
US6405213B1 (en) 1997-05-27 2002-06-11 Hoyt M. Layson System to correlate crime incidents with a subject's location using crime incident data and a subject location recording device
US6091957A (en) * 1997-06-12 2000-07-18 Northern Telecom Limited System and method for providing a geographic location of a mobile telecommunications unit
US6151505A (en) * 1997-07-03 2000-11-21 Northern Telecom Limited System and method for reporting the location of a mobile telecommunications unit to an authorized terminator telecommunications unit
US6212384B1 (en) 1997-09-29 2001-04-03 Telefonaktiebolaget L M Ericsson (Publ) Radio signal source identification system
US5974329A (en) * 1997-09-29 1999-10-26 Rutgers University Method and system for mobile location estimation
US6154657A (en) * 1997-10-21 2000-11-28 Telefonaktiebolaget Lm Ericsson Smart subdivision of base station candidates for position location accuracy
GB9722324D0 (en) 1997-10-22 1997-12-17 Cambridge Positioning Sys Ltd Positioning system for digital telephone networks
US6201499B1 (en) 1998-02-03 2001-03-13 Consair Communications Time difference of arrival measurement system
US6161018A (en) * 1998-02-27 2000-12-12 Motorola, Inc. Method and system for estimating a subscriber's location in a wireless communication system service area
US6799046B1 (en) 1998-06-10 2004-09-28 Nortel Networks Limited Method and system for locating a mobile telephone within a mobile telephone communication network
US6404750B1 (en) * 1998-08-13 2002-06-11 Cornell Research Foundation, Inc. Sensor-assisted aloha for wireless networks
US6393294B1 (en) 1998-09-22 2002-05-21 Polaris Wireless, Inc. Location determination using RF fingerprinting
US7734298B2 (en) * 1998-09-22 2010-06-08 Polaris Wireless, Inc. Estimating the location of a wireless terminal based on signal path impairment
US6269246B1 (en) 1998-09-22 2001-07-31 Ppm, Inc. Location determination using RF fingerprinting
US7257414B2 (en) * 1998-09-22 2007-08-14 Polaris Wireless, Inc. Estimating the Location of a Wireless Terminal Based on Non-Uniform Probabilities of Movement
US7899467B2 (en) * 1998-09-22 2011-03-01 Polaris Wireless, Inc. Estimating the location of a wireless terminal based on the traits of the multipath components of a signal
US6292665B1 (en) * 1998-10-08 2001-09-18 Harris Corporation Geolocation of cellular phone using supervisory audio tone transmitted from single base station
US6266014B1 (en) 1998-10-09 2001-07-24 Cell-Loc Inc. Methods and apparatus to position a mobile receiver using downlink signals part IV
US8135413B2 (en) * 1998-11-24 2012-03-13 Tracbeam Llc Platform and applications for wireless location and other complex services
US20030146871A1 (en) * 1998-11-24 2003-08-07 Tracbeam Llc Wireless location using signal direction and time difference of arrival
JP3607512B2 (ja) * 1998-11-26 2005-01-05 松下電器産業株式会社 基地局装置及び送信電力制御方法
US20010056473A1 (en) * 1999-04-26 2001-12-27 Kenneth Arneson Information retrieval system and method
CN1360804A (zh) * 1999-05-06 2002-07-24 塞－洛克公司 无线定位***
GB9912724D0 (en) 1999-06-01 1999-08-04 Cambridge Positioning Sys Ltd Radio positioning system
US6453168B1 (en) * 1999-08-02 2002-09-17 Itt Manufacturing Enterprises, Inc Method and apparatus for determining the position of a mobile communication device using low accuracy clocks
WO2002000316A1 (fr) 1999-09-24 2002-01-03 Goldberg Sheldon F Services de reseau soumis a des restrictions geographiques
US6751463B1 (en) 1999-10-04 2004-06-15 Telecommunication Systems, Inc. Intelligent queue for information teleservice messages with superceding updates
US8073477B2 (en) 2000-04-11 2011-12-06 Telecommunication Systems, Inc. Short message distribution center
US7809382B2 (en) * 2000-04-11 2010-10-05 Telecommunication Systems, Inc. Short message distribution center
EP1266321A4 (fr) * 2000-02-25 2003-05-21 Telecomm Systems Inc Service de messages courts a prepaiement
GB0006893D0 (en) 2000-03-23 2000-12-20 Secr Defence Localisation of a signal emitting source
US6871215B2 (en) * 2000-04-11 2005-03-22 Telecommunication Systems Inc. Universal mail wireless e-mail reader
US7110773B1 (en) 2000-04-11 2006-09-19 Telecommunication Systems, Inc. Mobile activity status tracker
US7522911B2 (en) 2000-04-11 2009-04-21 Telecommunication Systems, Inc. Wireless chat automatic status tracking
US7949773B2 (en) * 2000-04-12 2011-05-24 Telecommunication Systems, Inc. Wireless internet gateway
US6891811B1 (en) * 2000-04-18 2005-05-10 Telecommunication Systems Inc. Short messaging service center mobile-originated to HTTP internet communications
US20010056508A1 (en) * 2000-05-12 2001-12-27 Kenneth Arneson Event notification system and method
US20030046091A1 (en) * 2000-05-12 2003-03-06 Kenneth Arneson System and method for providing wireless services
US10641861B2 (en) 2000-06-02 2020-05-05 Dennis J. Dupray Services and applications for a communications network
US10684350B2 (en) 2000-06-02 2020-06-16 Tracbeam Llc Services and applications for a communications network
US9875492B2 (en) 2001-05-22 2018-01-23 Dennis J. Dupray Real estate transaction system
US7519654B1 (en) 2000-11-22 2009-04-14 Telecommunication Systems, Inc. Web gateway multi-carrier support
WO2002063329A1 (fr) * 2001-02-02 2002-08-15 Nokia Corporation Localisation d'un utilisateur
US7127264B2 (en) * 2001-02-27 2006-10-24 Telecommunication Systems, Inc. Mobile originated interactive menus via short messaging services
US7640031B2 (en) * 2006-06-22 2009-12-29 Telecommunication Systems, Inc. Mobile originated interactive menus via short messaging services
US7715849B2 (en) * 2001-02-28 2010-05-11 Nokia Corporation User positioning
US7519372B2 (en) * 2001-04-03 2009-04-14 At&T Mobility Ii Llc Methods and apparatus for mobile station location estimation
US8082096B2 (en) 2001-05-22 2011-12-20 Tracbeam Llc Wireless location routing applications and architecture therefor
US6861982B2 (en) * 2001-08-16 2005-03-01 Itt Manufacturing Enterprises, Inc. System for determining position of an emitter
US6658260B2 (en) * 2001-09-05 2003-12-02 Telecommunication Systems, Inc. Inter-carrier short messaging service providing phone number only experience
CN1610837A (zh) * 2001-09-06 2005-04-27 株式会社洛克斯 检测移动终端位置的方法
US6728545B1 (en) * 2001-11-16 2004-04-27 Meshnetworks, Inc. System and method for computing the location of a mobile terminal in a wireless communications network
US7853272B2 (en) * 2001-12-21 2010-12-14 Telecommunication Systems, Inc. Wireless network tour guide
US7426380B2 (en) 2002-03-28 2008-09-16 Telecommunication Systems, Inc. Location derived presence information
US8290505B2 (en) 2006-08-29 2012-10-16 Telecommunications Systems, Inc. Consequential location derived information
US8918073B2 (en) 2002-03-28 2014-12-23 Telecommunication Systems, Inc. Wireless telecommunications location based services scheme selection
US9154906B2 (en) * 2002-03-28 2015-10-06 Telecommunication Systems, Inc. Area watcher for wireless network
AU2003239429A1 (en) * 2002-05-13 2003-11-11 The Charles Stark Draper Laboratory, Inc. Low-cost, low-power geolocation system
FI113092B (fi) * 2002-05-31 2004-02-27 Ekahau Oy Paikannusepävarmuuden mittauksia ja niiden sovelluksia
US6947734B1 (en) 2002-12-06 2005-09-20 Sprint Spectrum L.P. Method and system for location accuracy analysis
US20070238455A1 (en) 2006-04-07 2007-10-11 Yinjun Zhu Mobile based area event handling when currently visited network doe not cover area
US20040253964A1 (en) * 2003-06-12 2004-12-16 Yinjun Zhu Mobile based area event handling when currently visited network does not cover area
US7065368B2 (en) * 2002-12-30 2006-06-20 Kt Corporation Method for correcting NLOS error in wireless positioning system
US7233799B2 (en) * 2003-02-24 2007-06-19 Polaris Wireless, Inc. Location estimation of wireless terminals based on combinations of signal strength measurements and geometry-of-arrival measurements
US20070207816A1 (en) * 2003-02-24 2007-09-06 Polaris Wireless, Inc. Location Estimation of Wireless Terminals Based on Combinations of Signal-Strength Measurements and Geometry-of-Arrival Measurements
DE10323004B4 (de) * 2003-05-21 2005-06-09 Siemens Ag Verfahren zur Positionsbestimmung einer mobilen Station eines Funkkommunikationssystems sowie Vorrichtung und Funkkommunikationssystem
US7116987B2 (en) * 2003-07-19 2006-10-03 Polaris Wireless, Inc. Location estimation of wireless terminals through pattern matching of deduced and empirical signal-strength measurements
US8712428B2 (en) * 2003-07-19 2014-04-29 Polaris Wireless, Inc. Location estimation of wireless terminals through pattern matching of deduced signal strengths
US7424293B2 (en) 2003-12-02 2008-09-09 Telecommunication Systems, Inc. User plane location based service using message tunneling to support roaming
US7260186B2 (en) * 2004-03-23 2007-08-21 Telecommunication Systems, Inc. Solutions for voice over internet protocol (VoIP) 911 location services
US7903791B2 (en) * 2005-06-13 2011-03-08 Telecommunication Systems, Inc. Enhanced E911 location information using voice over internet protocol (VoIP)
US20080090546A1 (en) * 2006-10-17 2008-04-17 Richard Dickinson Enhanced E911 network access for a call center using session initiation protocol (SIP) messaging
US20080126535A1 (en) 2006-11-28 2008-05-29 Yinjun Zhu User plane location services over session initiation protocol (SIP)
US7359718B2 (en) * 2004-04-30 2008-04-15 Hong Kong Applied Science And Technology Research Institute Co., Ltd. Location determination and location tracking in wireless networks
US8195205B2 (en) * 2004-05-06 2012-06-05 Telecommunication Systems, Inc. Gateway application to support use of a single internet address domain for routing messages to multiple multimedia message service centers
US7991411B2 (en) 2004-05-06 2011-08-02 Telecommunication Systems, Inc. Method to qualify multimedia message content to enable use of a single internet address domain to send messages to both short message service centers and multimedia message service centers
GB0410608D0 (en) * 2004-05-12 2004-06-16 Nokia Corp Locating mobile terminals
US7881905B2 (en) * 2004-11-17 2011-02-01 Qualcomm Incorporated Method for ambiguity resolution in location determination
FR2879068A1 (fr) * 2004-12-06 2006-06-09 France Telecom Determination d'un etat de deplacement d'un terminal mobile
EP1832138A1 (fr) * 2004-12-27 2007-09-12 MYTILINAIOS, A. Stylianos Localisation par une construction de lieux geometriques (loci)
US7973716B2 (en) * 2005-01-19 2011-07-05 The Charles Stark Draper Laboratory, Inc. Systems and methods for transparency mapping using multipath signals
US8279119B2 (en) * 2005-01-19 2012-10-02 The Charles Stark Draper Laboratory, Inc. Systems and methods for transparency mapping using multipath signals
JP2008527394A (ja) 2005-01-19 2008-07-24 ザ・チャールズ・スターク・ドレイパー・ラボラトリー・インコーポレイテッド マルチパス信号を用いて位置決めを行うためのシステム及び方法
US8370054B2 (en) * 2005-03-24 2013-02-05 Google Inc. User location driven identification of service vehicles
US7353034B2 (en) 2005-04-04 2008-04-01 X One, Inc. Location sharing and tracking using mobile phones or other wireless devices
US7430425B2 (en) * 2005-05-17 2008-09-30 Telecommunication Systems, Inc. Inter-carrier digital message with user data payload service providing phone number only experience
US7945026B2 (en) * 2005-05-27 2011-05-17 Telecommunications Systems, Inc. Voice over internet protocol (VoIP) E911 metro street address guide (MSAG) validation
US8913983B2 (en) 2005-05-27 2014-12-16 Telecommunication Systems, Inc. Voice over internet protocol (VoIP) E911 metro street address guide (MSAG) validation
US8660573B2 (en) 2005-07-19 2014-02-25 Telecommunications Systems, Inc. Location service requests throttling
US7548158B2 (en) * 2005-08-08 2009-06-16 Telecommunication Systems, Inc. First responder wireless emergency alerting with automatic callback and location triggering
US20070066309A1 (en) * 2005-09-20 2007-03-22 Elizabeth Countryman Prepaid call management in intelligent network
US9282451B2 (en) 2005-09-26 2016-03-08 Telecommunication Systems, Inc. Automatic location identification (ALI) service requests steering, connection sharing and protocol translation
US8467320B2 (en) 2005-10-06 2013-06-18 Telecommunication Systems, Inc. Voice over internet protocol (VoIP) multi-user conferencing
US7626951B2 (en) 2005-10-06 2009-12-01 Telecommunication Systems, Inc. Voice Over Internet Protocol (VoIP) location based conferencing
US7907551B2 (en) 2005-10-06 2011-03-15 Telecommunication Systems, Inc. Voice over internet protocol (VoIP) location based 911 conferencing
US9161189B2 (en) 2005-10-18 2015-10-13 Telecommunication Systems, Inc. Automatic call forwarding to in-vehicle telematics system
FI118715B (fi) * 2005-12-07 2008-02-15 Ekahau Oy Paikannustekniikka
US8150363B2 (en) 2006-02-16 2012-04-03 Telecommunication Systems, Inc. Enhanced E911 network access for call centers
US8059789B2 (en) 2006-02-24 2011-11-15 Telecommunication Systems, Inc. Automatic location identification (ALI) emergency services pseudo key (ESPK)
US8208605B2 (en) 2006-05-04 2012-06-26 Telecommunication Systems, Inc. Extended efficient usage of emergency services keys
US8532266B2 (en) * 2006-05-04 2013-09-10 Telecommunication Systems, Inc. Efficient usage of emergency services keys
WO2007133503A2 (fr) * 2006-05-08 2007-11-22 Telecommunication Systems, Inc. Présence automatiquement actualisée d'un utilisateur en itinérance pour messagerie instantanée (im)
US9519888B2 (en) * 2006-05-08 2016-12-13 Telecommunication Systems, Inc. End use transparent email attachment handling to overcome size and attachment policy barriers
US8965393B2 (en) * 2006-05-22 2015-02-24 Polaris Wireless, Inc. Estimating the location of a wireless terminal based on assisted GPS and pattern matching
US7753278B2 (en) * 2006-05-22 2010-07-13 Polaris Wireless, Inc. Estimating the location of a wireless terminal based on non-uniform locations
US8463284B2 (en) * 2006-07-17 2013-06-11 Telecommunication Systems, Inc. Short messaging system (SMS) proxy communications to enable location based services in wireless devices
US8099105B2 (en) * 2006-09-19 2012-01-17 Telecommunication Systems, Inc. Device based trigger for location push event
US9408046B2 (en) * 2006-10-03 2016-08-02 Telecommunication Systems, Inc. 911 data messaging
US7890060B2 (en) * 2006-10-11 2011-02-15 Nokia Corporation Enhanced location based service for positioning intersecting objects in the measured radio coverage
WO2008048610A2 (fr) * 2006-10-17 2008-04-24 Telecommunication Systems, Inc. Détermination automatique de la position venant soutenir le mode voip e911 au moyen de techniques de relevé automatique pour un réseau sans fil ad hoc
WO2008115209A2 (fr) * 2006-10-25 2008-09-25 Massachusetts Institute Of Technology Localisation coopérative pour réseaux sans fil
WO2008057477A2 (fr) 2006-11-03 2008-05-15 Telecommunication Systems, Inc. Passerelle itinérante activant des services liés à des positions (lbs) et itinérant pour des plans d'utilisateurs dans des réseaux amcr sans devoir requérir l'utilisation de centres mobiles de positionnement
EP1930740B1 (fr) * 2006-12-08 2009-05-27 Deutsches Zentrum für Luft- und Raumfahrt e.V. Procédé d'estimation des paramètres d'un signal de navigation
US8050386B2 (en) 2007-02-12 2011-11-01 Telecommunication Systems, Inc. Mobile automatic location identification (ALI) for first responders
US8165087B2 (en) * 2007-06-30 2012-04-24 Microsoft Corporation Location context service handoff
US8515547B2 (en) 2007-08-31 2013-08-20 Cardiac Pacemakers, Inc. Wireless patient communicator for use in a life critical network
US9848058B2 (en) * 2007-08-31 2017-12-19 Cardiac Pacemakers, Inc. Medical data transport over wireless life critical network employing dynamic communication link mapping
US8185087B2 (en) 2007-09-17 2012-05-22 Telecommunication Systems, Inc. Emergency 911 data messaging
US9130963B2 (en) 2011-04-06 2015-09-08 Telecommunication Systems, Inc. Ancillary data support in session initiation protocol (SIP) messaging
US7929530B2 (en) * 2007-11-30 2011-04-19 Telecommunication Systems, Inc. Ancillary data support in session initiation protocol (SIP) messaging
TWI358925B (en) * 2007-12-06 2012-02-21 Ind Tech Res Inst System and method for locating a mobile node in a
US9369294B2 (en) * 2007-12-14 2016-06-14 Telecommunication Systems, Inc. Reverse 911 using multicast session internet protocol (SIP) conferencing of voice over internet protocol (VoIP) users
EP2141957A1 (fr) * 2008-07-02 2010-01-06 IBBT vzw Système et procédé pour l'estimation de la position
US8068587B2 (en) 2008-08-22 2011-11-29 Telecommunication Systems, Inc. Nationwide table routing of voice over internet protocol (VOIP) emergency calls
US20100063829A1 (en) * 2008-09-08 2010-03-11 Dupray Dennis J Real estate transaction system
US8954028B2 (en) 2008-09-25 2015-02-10 Telecommunication Systems, Inc. Geo-redundant and high reliability commercial mobile alert system (CMAS)
US20100080216A1 (en) * 2008-09-29 2010-04-01 Jonathan Alan Croy Real-time communication blocking for Dot Not Call" registered information
US8712453B2 (en) * 2008-12-23 2014-04-29 Telecommunication Systems, Inc. Login security with short messaging
US9462482B2 (en) 2009-01-13 2016-10-04 Viavi Solutions Uk Limited Geo-location in a wireless communication network
US8811205B2 (en) * 2009-01-13 2014-08-19 Jdsu Uk Limited Wireless communication network
CN105372627B (zh) 2009-01-22 2018-06-05 维亚威解决方案英国有限公司 使用位置估计确定异步网络中成对基站的基站定时偏移之间的差
US8319631B2 (en) 2009-03-04 2012-11-27 Cardiac Pacemakers, Inc. Modular patient portable communicator for use in life critical network
US8812841B2 (en) 2009-03-04 2014-08-19 Cardiac Pacemakers, Inc. Communications hub for use in life critical network
WO2010108185A2 (fr) * 2009-03-20 2010-09-23 Buzby Networks, Llc Système et procédé de localisation en temps réel de nœuds de réseau
US9301191B2 (en) 2013-09-20 2016-03-29 Telecommunication Systems, Inc. Quality of service to over the top applications used with VPN
US8867485B2 (en) * 2009-05-05 2014-10-21 Telecommunication Systems, Inc. Multiple location retrieval function (LRF) network having location continuity
US9398536B2 (en) * 2009-05-29 2016-07-19 Qualcomm Incorporated Method and apparatus for movement detection by evaluating elementary movement patterns
US20110064046A1 (en) * 2009-09-11 2011-03-17 Yinjun Zhu User plane emergency location continuity for voice over internet protocol (VoIP)/IMS emergency services
AU2010325793B2 (en) 2009-12-04 2015-03-12 Uber Technologies, Inc. System and method for arranging transport amongst parties through use of mobile devices
US9230292B2 (en) 2012-11-08 2016-01-05 Uber Technologies, Inc. Providing on-demand services through use of portable computing devices
US9294911B2 (en) 2010-05-10 2016-03-22 Telecommunication Systems, Inc. Cell-ID translation in a location based system (LBS)
US9538493B2 (en) 2010-08-23 2017-01-03 Finetrak, Llc Locating a mobile station and applications therefor
EP2652980A2 (fr) 2010-12-13 2013-10-23 TeleCommunication Systems, Inc. Serveur passerelle de services de localisation
US8942743B2 (en) 2010-12-17 2015-01-27 Telecommunication Systems, Inc. iALERT enhanced alert manager
US8688087B2 (en) 2010-12-17 2014-04-01 Telecommunication Systems, Inc. N-dimensional affinity confluencer
WO2012087353A1 (fr) 2010-12-22 2012-06-28 Telecommunication Systems, Inc. Gestion d'événements de zone quand un réseau actuel ne couvre pas une zone cible
WO2012141762A1 (fr) 2011-02-25 2012-10-18 Telecommunication Systems, Inc. Localisation sous protocole internet (ip) mobile
US9479344B2 (en) 2011-09-16 2016-10-25 Telecommunication Systems, Inc. Anonymous voice conversation
WO2013048551A1 (fr) 2011-09-30 2013-04-04 Telecommunication Systems, Inc. Identificateur unique global permettant de minimiser les appels aux numéros d'urgence correspondant à un canular
WO2013054088A1 (fr) * 2011-10-10 2013-04-18 Isis Innovation Limited Améliorations de l'estimation d'une localisation
US8929854B2 (en) 2011-10-27 2015-01-06 Telecommunication Systems, Inc. Emergency text messaging
US9313637B2 (en) 2011-12-05 2016-04-12 Telecommunication Systems, Inc. Wireless emergency caller profile data delivery over a legacy interface
US8984591B2 (en) 2011-12-16 2015-03-17 Telecommunications Systems, Inc. Authentication via motion of wireless device movement
US9384339B2 (en) 2012-01-13 2016-07-05 Telecommunication Systems, Inc. Authenticating cloud computing enabling secure services
US8688174B2 (en) 2012-03-13 2014-04-01 Telecommunication Systems, Inc. Integrated, detachable ear bud device for a wireless phone
US9307372B2 (en) 2012-03-26 2016-04-05 Telecommunication Systems, Inc. No responders online
US9544260B2 (en) 2012-03-26 2017-01-10 Telecommunication Systems, Inc. Rapid assignment dynamic ownership queue
US9338153B2 (en) 2012-04-11 2016-05-10 Telecommunication Systems, Inc. Secure distribution of non-privileged authentication credentials
WO2014028712A1 (fr) 2012-08-15 2014-02-20 Telecommunication Systems, Inc. Accès, indépendant d'un dispositif, à des données d'un appelant pour des appels d'urgence
US9208346B2 (en) 2012-09-05 2015-12-08 Telecommunication Systems, Inc. Persona-notitia intellection codifier
US9456301B2 (en) 2012-12-11 2016-09-27 Telecommunication Systems, Inc. Efficient prisoner tracking
US8983047B2 (en) 2013-03-20 2015-03-17 Telecommunication Systems, Inc. Index of suspicion determination for communications request
US9408034B2 (en) 2013-09-09 2016-08-02 Telecommunication Systems, Inc. Extended area event for network based proximity discovery
US9516104B2 (en) 2013-09-11 2016-12-06 Telecommunication Systems, Inc. Intelligent load balancer enhanced routing
US9479897B2 (en) 2013-10-03 2016-10-25 Telecommunication Systems, Inc. SUPL-WiFi access point controller location based services for WiFi enabled mobile devices
US9408047B2 (en) 2013-10-10 2016-08-02 Telecommunication Systems, Inc. Read acknowledgement interoperability for text messaging and IP messaging
CA2951993C (fr) 2014-06-12 2018-10-30 Motorola Solutions, Inc. Procedes et systemes pour la creation automatique de groupes de conversation sur la base d'un indicateur de puissance de signal recu (rssi)
WO2016055113A1 (fr) * 2014-10-09 2016-04-14 Telefonaktiebolaget L M Ericsson (Publ) Ajustement de position dans des réseaux de communication mobile
US10026506B1 (en) 2015-02-06 2018-07-17 Brain Trust Innovations I, Llc System, RFID chip, server and method for capturing vehicle data
US9854397B1 (en) 2015-04-29 2017-12-26 Hawk Analytics, Inc. Systems and user interfaces for dynamic and interactive person and event data access and analysis
US9363784B1 (en) 2015-04-30 2016-06-07 Mist Systems Inc. Methods and apparatus relating to the use of real and/or virtual beacons
US9967803B2 (en) 2015-04-30 2018-05-08 Mist Systems, Inc. Dynamic virtual beacon methods and apparatus
US9743254B2 (en) * 2015-04-30 2017-08-22 Mist Systems, Inc. Methods and apparatus relating to the use of received signals to determine wireless terminal location and/or refine location determination models
US10219166B2 (en) 2015-04-30 2019-02-26 Mist Systems, Inc. Methods and apparatus for generating, transmitting and/or using beacons
GB2563825A (en) * 2017-06-19 2019-01-02 Vodafone Ip Licensing Ltd Localization of mobile devices
JP6928538B2 (ja) * 2017-10-30 2021-09-01 Kddi株式会社 電波減衰を考慮した存在確率密度に基づいて端末位置を推定する装置、プログラム及び方法
US11341438B2 (en) * 2019-11-22 2022-05-24 The Procter & Gamble Company Provisioning and recommender systems and methods for generating product-based recommendations for geographically distributed physical stores based on mobile device movement
US11463982B2 (en) * 2020-01-07 2022-10-04 Cisco Systems Canada Co. Methods for improving source localization based on time-of-arrival measurements

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4728959A (en) * 1986-08-08 1988-03-01 Ventana Sciences Inc. Direction finding localization system
US4718081A (en) * 1986-11-13 1988-01-05 General Electric Company Method and apparatus for reducing handoff errors in a cellular radio telephone communications system
US4916455A (en) * 1987-02-20 1990-04-10 Scientific Development Inc. Locating system and method
US4891650A (en) * 1988-05-16 1990-01-02 Trackmobile Inc. Vehicle location system
US5166694A (en) * 1991-08-20 1992-11-24 Hughes Aircraft Company Vehicle location system having enhanced position location processing

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