ATE192853T1 - System und verfahren zur ortsbestimmung - Google Patents

System und verfahren zur ortsbestimmung

Info

Publication number
ATE192853T1
ATE192853T1 AT96944268T AT96944268T ATE192853T1 AT E192853 T1 ATE192853 T1 AT E192853T1 AT 96944268 T AT96944268 T AT 96944268T AT 96944268 T AT96944268 T AT 96944268T AT E192853 T1 ATE192853 T1 AT E192853T1
Authority
AT
Austria
Prior art keywords
base stations
control station
locating signal
portable unit
region
Prior art date
Application number
AT96944268T
Other languages
German (de)
English (en)
Inventor
Steen A Parl
Julian Bussgang
Jay Weitzen
James M Zagami
Original Assignee
Signatron Technology Corp
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 Signatron Technology Corp filed Critical Signatron Technology Corp
Application granted granted Critical
Publication of ATE192853T1 publication Critical patent/ATE192853T1/de

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
    • 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
    • G01S5/06—Position of source determined by co-ordinating a plurality of position lines defined by path-difference measurements
    • 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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • G01S1/04—Details
    • G01S1/045—Receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Vehicle Body Suspensions (AREA)
AT96944268T 1995-12-15 1996-12-09 System und verfahren zur ortsbestimmung ATE192853T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/573,057 US5883598A (en) 1995-12-15 1995-12-15 Position location system and method
PCT/US1996/019528 WO1997022888A1 (en) 1995-12-15 1996-12-09 Position location system and method

Publications (1)

Publication Number Publication Date
ATE192853T1 true ATE192853T1 (de) 2000-05-15

Family

ID=24290473

Family Applications (1)

Application Number Title Priority Date Filing Date
AT96944268T ATE192853T1 (de) 1995-12-15 1996-12-09 System und verfahren zur ortsbestimmung

Country Status (7)

Country Link
US (2) US5883598A (US06259404-20010710-M00002.png)
EP (1) EP0870203B1 (US06259404-20010710-M00002.png)
AT (1) ATE192853T1 (US06259404-20010710-M00002.png)
AU (1) AU1412097A (US06259404-20010710-M00002.png)
CA (1) CA2240628C (US06259404-20010710-M00002.png)
DE (1) DE69608311T2 (US06259404-20010710-M00002.png)
WO (1) WO1997022888A1 (US06259404-20010710-M00002.png)

Families Citing this family (159)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09182143A (ja) * 1995-12-27 1997-07-11 Sony Corp 端末装置
GB2310098A (en) * 1996-02-08 1997-08-13 Philip Bernard Wesby Locating mobile telephone
JP3231787B2 (ja) * 1996-03-05 2001-11-26 松下電器産業株式会社 位置情報検出システム
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
US6047192A (en) * 1996-05-13 2000-04-04 Ksi Inc. Robust, efficient, localization system
US6249252B1 (en) 1996-09-09 2001-06-19 Tracbeam Llc Wireless location using multiple location estimators
US6236365B1 (en) 1996-09-09 2001-05-22 Tracbeam, Llc Location of a mobile station using a plurality of commercial wireless infrastructures
US7714778B2 (en) 1997-08-20 2010-05-11 Tracbeam Llc Wireless location gateway and applications therefor
US9134398B2 (en) 1996-09-09 2015-09-15 Tracbeam Llc Wireless location using network centric location estimators
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
US6438380B1 (en) * 1997-02-28 2002-08-20 Lucent Technologies Inc. System for robust location of a mobile-transmitter
EP0865223B1 (en) * 1997-03-14 2004-05-26 Ntt Mobile Communications Network Inc. Mobile station position estimation for cellular mobile communication system
US6370157B2 (en) * 1997-04-30 2002-04-09 Lucent Technologies Inc. Automatic frequency control for a cellular base station
US5987329A (en) * 1997-07-30 1999-11-16 Ericsson Inc System and method for mobile telephone location measurement using a hybrid technique
JPH1155212A (ja) * 1997-07-31 1999-02-26 Sony Corp ディジタル情報信号受信装置
FI113896B (fi) * 1997-11-11 2004-06-30 Nokia Corp Menetelmä matkaviestimen sijainnin hajautetuksi määrittelemiseksi
US6212391B1 (en) * 1997-12-01 2001-04-03 Motorola, Inc. Method for positioning gsm mobile station
US6243587B1 (en) * 1997-12-10 2001-06-05 Ericsson Inc. Method and system for determining position of a mobile transmitter
JP3156768B2 (ja) * 1998-01-21 2001-04-16 日本電気株式会社 セルラ基地局およびそれに搭載される位置標定装置
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
US7043262B2 (en) * 1998-03-06 2006-05-09 Hans Peter Nageli Two-way pager and method for communicating preset messages over the global system for mobile communications (GSM/GPRS) network
US6353412B1 (en) * 1998-03-17 2002-03-05 Qualcomm, Incorporated Method and apparatus for determining position location using reduced number of GPS satellites and synchronized and unsynchronized base stations
US6317474B1 (en) * 1998-08-06 2001-11-13 Motorola, Inc. Method and apparatus for estimating time-of-arrival of a synchronization signal sent simultaneously from at least two non-collocated transmitters
US6330452B1 (en) * 1998-08-06 2001-12-11 Cell-Loc Inc. Network-based wireless location system to position AMPs (FDMA) cellular telephones, part I
US6266014B1 (en) 1998-10-09 2001-07-24 Cell-Loc Inc. Methods and apparatus to position a mobile receiver using downlink signals part IV
US6198935B1 (en) * 1998-11-17 2001-03-06 Ericsson Inc. System and method for time of arrival positioning measurements based upon network characteristics
US20030146871A1 (en) * 1998-11-24 2003-08-07 Tracbeam Llc Wireless location using signal direction and time difference of arrival
US8135413B2 (en) 1998-11-24 2012-03-13 Tracbeam Llc Platform and applications for wireless location and other complex services
GB2347571A (en) * 1999-03-03 2000-09-06 Secr Defence Locating system
US6472976B1 (en) 1999-05-21 2002-10-29 Charles M. Wohl Monitoring location and tracking system
DE19923409B4 (de) * 1999-05-21 2004-10-07 Siemens Ag Verfahren und Vorrichtung zur Ortsbestimmung eines Senders im Raum
GB9912724D0 (en) * 1999-06-01 1999-08-04 Cambridge Positioning Sys Ltd Radio positioning system
US6721681B1 (en) * 1999-09-14 2004-04-13 Lutrell M. Christian Chronometric, communication, identification, and tracking tag
US6580915B1 (en) * 1999-09-24 2003-06-17 Kroll Family Trust Aircraft internal EMI detection and location
EP1286735A1 (en) 1999-09-24 2003-03-05 Dennis Jay Dupray Geographically constrained network services
US8005474B2 (en) * 1999-09-24 2011-08-23 Kroll Family Trust Cell phone locator method
US6204772B1 (en) 1999-12-16 2001-03-20 Caterpillar Inc. Method and apparatus for monitoring the position of a machine
US7088765B1 (en) * 2000-03-15 2006-08-08 Ndsu Research Foundation Vector calibration system
GB0006297D0 (en) * 2000-03-15 2000-05-03 Nokia Networks Oy Locating a wireless station
US7114366B1 (en) * 2000-03-16 2006-10-03 Input / Output Inc. Sensor
US6567669B1 (en) * 2000-03-22 2003-05-20 Agilent Technologies, Inc. Location estimation of one or more transmitters based on signals transmitted therefrom
US6839547B2 (en) * 2000-03-30 2005-01-04 Cellguide Ltd. Enhanced GPS receiver utilizing wireless infrastructure
US6377888B1 (en) 2000-04-03 2002-04-23 Disney Enterprises, Inc. System for controlling movement of a vehicle
US6593885B2 (en) * 2000-04-27 2003-07-15 Wherenet Corp Low cost DTOA location processing system based on multiple readers-to-single processor architecture
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
JP3673700B2 (ja) 2000-06-27 2005-07-20 株式会社日立製作所 スペクトル拡散信号を用いた測距及び位置測定方法、その方法を行う装置
US20020002053A1 (en) * 2000-06-29 2002-01-03 Nam Ki Y. Method for geo-location interpolation and compression
GB2367199B (en) * 2000-09-20 2005-01-26 Parthus Apparatus for receiving ranging signals
AU1415902A (en) * 2000-11-15 2002-05-27 Racetrace Inc Tag tracking
US7024331B2 (en) * 2000-11-15 2006-04-04 Scientific Generics Limited Tag tracking
JP3903714B2 (ja) * 2000-12-20 2007-04-11 株式会社日立製作所 位置関係獲得方法および機器
US6473038B2 (en) * 2001-01-05 2002-10-29 Motorola, Inc. Method and apparatus for location estimation
US6898415B2 (en) * 2001-01-16 2005-05-24 Aeroscout, Inc. System and method for reducing multipath distortion in wireless distance measurement systems
US6784826B2 (en) * 2001-01-26 2004-08-31 Tera Research Incorporated Body motion tracking system
US20020111193A1 (en) * 2001-02-09 2002-08-15 Tendler Cellular, Inc. Transmission of digital data over a wireless network utilizing synthetic voice generation of DTMF tones
US8190730B2 (en) * 2001-03-09 2012-05-29 Consortium P, Inc. Location system and methods
US6934548B1 (en) * 2001-08-10 2005-08-23 Lawrence A. Gould Methods for detecting, computing and disseminating location information associated with emergency 911 wireless transmissions
US6901264B2 (en) * 2001-04-25 2005-05-31 Makor Issues And Rights Ltd. Method and system for mobile station positioning in cellular communication networks
US8082096B2 (en) 2001-05-22 2011-12-20 Tracbeam Llc Wireless location routing applications and architecture therefor
US6700535B2 (en) * 2001-06-01 2004-03-02 Texas Instruments Incorporated Location estimation in narrow bandwidth wireless communication systems
TW518419B (en) * 2001-06-26 2003-01-21 Benq Corp Positioning device and method
US7069026B2 (en) * 2001-06-28 2006-06-27 Nokia Corporation Geographic area assisted system selection for mobile stations
US7269427B2 (en) * 2001-10-09 2007-09-11 General Electric Company Transmitter location for ultra-wideband, transmitted-reference CDMA communication system
US7647422B2 (en) 2001-11-06 2010-01-12 Enterasys Networks, Inc. VPN failure recovery
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
GB2382270B (en) * 2001-11-16 2006-06-14 Nec Technologies Improved location systems in cellular communications networks
US7199709B2 (en) * 2001-12-04 2007-04-03 Arichell Technologies, Inc. Cart fleet management system
US20030114169A1 (en) * 2001-12-14 2003-06-19 Hitachi, Ltd. Method and system for detecting the position of mobile station
US20030125045A1 (en) * 2001-12-27 2003-07-03 Riley Wyatt Thomas Creating and using base station almanac information in a wireless communication system having a position location capability
US8972589B2 (en) * 2002-03-01 2015-03-03 Enterasys Networks, Inc. Location-based access control in a data network
US20050003828A1 (en) * 2002-04-09 2005-01-06 Sugar Gary L. System and method for locating wireless devices in an unsynchronized wireless environment
SE524509C2 (sv) * 2002-04-23 2004-08-17 Axis Ab Metod och anordning för bestämning av positionen för en bärbar anordning
AU2003239429A1 (en) * 2002-05-13 2003-11-11 The Charles Stark Draper Laboratory, Inc. Low-cost, low-power geolocation system
DE10224501A1 (de) * 2002-05-31 2003-12-11 Artem Gmbh Verfahren zur Positionsbestimmung eines Mobilgeräts in einem Kommunikationssystem und Kommunikationssystem
AU2003238165A1 (en) * 2002-05-31 2003-12-19 Telecom Italia S.P.A. Method for locating mobile terminals, system and components therefor
US6956527B2 (en) * 2002-06-24 2005-10-18 Intel Corporation Wireless network access point configuration
US6735443B2 (en) * 2002-06-28 2004-05-11 Interdigital Technology Corporation UE assisted system database update
US6734824B2 (en) 2002-08-06 2004-05-11 Lockheed Martin Corporation System and method for locating emitters
DE60238980D1 (de) * 2002-08-28 2011-03-03 Cambridge Positioning Sys Ltd Verbesserungen in Funkortungsystemen
FR2844600A1 (fr) * 2002-09-13 2004-03-19 Thomson Licensing Sa Procede pour situer relativement deux appareils electriques
TW579471B (en) * 2002-10-11 2004-03-11 Shuo-Wei Fang Identification recognition and positioning system and method thereof
US7132980B2 (en) * 2002-11-01 2006-11-07 Sirf Technology, Inc. Multi-function device with positioning system and shared processor
WO2004052027A2 (en) * 2002-11-27 2004-06-17 Cognio, Inc System and method for locating sources of unknown wireless radio signals
EP1445970B1 (en) * 2003-02-05 2009-04-01 Cambridge Positioning Systems Limited A method and system for locating a mobile radio receiver in a radio system with multiple tranmitters
US6909367B1 (en) * 2003-02-24 2005-06-21 Larry P. Wetmore Method of determining the exact location of an individual in a structure
DE10315277A1 (de) * 2003-04-03 2004-10-28 Peter Brettschneider Anordnung zur Ortung von Personen
JP2004357216A (ja) * 2003-05-30 2004-12-16 Toshiba Corp 位置探索システム及び位置探索方法
US6985107B2 (en) * 2003-07-09 2006-01-10 Lotek Wireless, Inc. Random antenna array interferometer for radio location
US7123928B2 (en) 2003-07-21 2006-10-17 Qualcomm Incorporated Method and apparatus for creating and using a base station almanac for position determination
JP2005123833A (ja) * 2003-10-16 2005-05-12 Hitachi Ltd 位置検出システム制御方法
US7545326B2 (en) * 2003-10-22 2009-06-09 Awarepoint Corporation Wireless tracking system and method with multipath error mitigation
GB0324954D0 (en) * 2003-10-25 2003-11-26 Koninkl Philips Electronics Nv Line of sight signal detection
US7366243B1 (en) 2003-10-29 2008-04-29 Itt Manufacturing Enterprises, Inc. Methods and apparatus for transmitting non-contiguous spread spectrum signals for communications and navigation
JP4227009B2 (ja) * 2003-12-24 2009-02-18 株式会社日立製作所 測位システム、測位方法及び測位サーバ
US7092726B2 (en) * 2003-12-29 2006-08-15 Motorola, Inc. Method and system for determining a location using a plurality of selected initial location estimates
CA2554417C (en) * 2004-02-17 2010-11-23 Jadi, Inc. Ultra wide band navigation system with mobile base stations
US9137771B2 (en) * 2004-04-02 2015-09-15 Qualcomm Incorporated Methods and apparatuses for beacon assisted position determination systems
WO2005108924A1 (en) * 2004-04-29 2005-11-17 Jadi, Inc. Artificial horizon device and method
WO2006017266A2 (en) * 2004-07-12 2006-02-16 William Marsh Rice University System and method for localization over a wireless network
US7945945B2 (en) * 2004-08-06 2011-05-17 Enterasys Networks, Inc. System and method for address block enhanced dynamic network policy management
US8032156B2 (en) 2004-09-07 2011-10-04 Qualcomm Incorporated Procedure to increase position location availabilty
US7453961B1 (en) 2005-01-11 2008-11-18 Itt Manufacturing Enterprises, Inc. Methods and apparatus for detection of signal timing
US7973716B2 (en) * 2005-01-19 2011-07-05 The Charles Stark Draper Laboratory, Inc. Systems and methods for transparency mapping using multipath signals
WO2006088599A1 (en) 2005-01-19 2006-08-24 The Charles Stark Draper Laboratory, Inc. Systems and methods for positioning 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
US8086232B2 (en) 2005-06-28 2011-12-27 Enterasys Networks, Inc. Time synchronized wireless method and operations
IL169855A (en) 2005-07-25 2014-05-28 Elta Systems Ltd A system and method for locating a receiver location
IL169854A (en) * 2005-07-25 2013-11-28 Elta Systems Ltd System and method for finding receiver-transmitter location
DE102005041453B4 (de) * 2005-08-31 2007-06-28 Siemens Ag Verfahren und Anordnung zur Ortung eines mobilen Endgerätes in einer Mehrzellen-Funkanordnung
US20070091984A1 (en) * 2005-10-24 2007-04-26 Texas Instruments Incorporated Dual-Carrier Modulation Decoder
US20070133598A1 (en) * 2005-12-12 2007-06-14 Patrick Moran System and method for determining position of communicating devices
US8019360B2 (en) * 2006-04-22 2011-09-13 Locus Location Systems, Llc CRC-based message detection/demodulation apparatus and method for radio frequency signals
US8331888B2 (en) * 2006-05-31 2012-12-11 The Boeing Company Remote programmable reference
DE102008032983A1 (de) * 2008-07-08 2010-02-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren und Vorrichtung zum Bestimmen der sich ändernden Position eines mobilen Senders
US20080262669A1 (en) * 2006-09-22 2008-10-23 Jadi, Inc. Autonomous vehicle controller
US8208939B2 (en) * 2007-02-05 2012-06-26 Aeroscout Ltd. Dual bandwidth time difference of arrival (TDOA) system
US8214147B2 (en) * 2007-03-21 2012-07-03 Nav-Track, Inc. Navigation unit and base station
US20080307025A1 (en) * 2007-06-11 2008-12-11 Zylaya Corporation Location determination in sensor networks using time-window algorithm
US7894404B2 (en) * 2007-08-01 2011-02-22 Broadcom Corporation Generation of quality metrics using multibranch PSYNC detection module
US7885319B2 (en) * 2007-08-01 2011-02-08 Broadcom Corporation Multiple branch PSYNC detection module
WO2009155036A2 (en) * 2008-05-28 2009-12-23 Nivis, Llc Methods and systems for location estimation
WO2010014875A1 (en) * 2008-08-01 2010-02-04 Nivis, Llc Systems and methods for regulating clock precision in distributed devices
US20100027437A1 (en) * 2008-08-01 2010-02-04 Nivis, Llc Systems and Methods for Determining Link Quality
US20100063829A1 (en) * 2008-09-08 2010-03-11 Dupray Dennis J Real estate transaction system
TW201014211A (en) * 2008-09-22 2010-04-01 Wintecronics Co Ltd Wireless intercom positioning system, data transceiver and wireless intercom device
US8478228B2 (en) * 2008-10-20 2013-07-02 Qualcomm Incorporated Mobile receiver with location services capability
US20100255856A1 (en) * 2009-04-03 2010-10-07 Microsoft Corporation Location Sensing Selection for Mobile Devices
US8600297B2 (en) * 2009-07-28 2013-12-03 Qualcomm Incorporated Method and system for femto cell self-timing and self-locating
US20110025464A1 (en) * 2009-07-30 2011-02-03 Awarepoint Corporation Antenna Diversity For Wireless Tracking System And Method
US20110054731A1 (en) * 2009-08-31 2011-03-03 Derose Lynn Ann System and method for bi-directional wireless information transfer
US9357921B2 (en) * 2009-10-16 2016-06-07 At&T Intellectual Property I, Lp Wearable health monitoring system
US8525725B2 (en) * 2010-03-09 2013-09-03 Lockheed Martin Corporation Method and system for position and track determination
US8405550B2 (en) * 2010-07-30 2013-03-26 Raytheon Applied Signal Technology, Inc. Near-vertical direction finding and geolocation system
US9538493B2 (en) 2010-08-23 2017-01-03 Finetrak, Llc Locating a mobile station and applications therefor
US8878726B2 (en) * 2011-03-16 2014-11-04 Exelis Inc. System and method for three-dimensional geolocation of emitters based on energy measurements
CA2824680A1 (en) * 2011-04-18 2012-10-26 Instituto Presbiteriano Mackenzie Process and system to determine temporal changes in retransmission and propagation of signals used to measure distances, syncronize actuators and georeference applications
US9880604B2 (en) 2011-04-20 2018-01-30 Microsoft Technology Licensing, Llc Energy efficient location detection
US8878725B2 (en) 2011-05-19 2014-11-04 Exelis Inc. System and method for geolocation of multiple unknown radio frequency signal sources
US8615190B2 (en) 2011-05-31 2013-12-24 Exelis Inc. System and method for allocating jamming energy based on three-dimensional geolocation of emitters
US8981995B2 (en) 2011-06-03 2015-03-17 Microsoft Technology Licensing, Llc. Low accuracy positional data by detecting improbable samples
US9470529B2 (en) 2011-07-14 2016-10-18 Microsoft Technology Licensing, Llc Activating and deactivating sensors for dead reckoning
US9464903B2 (en) 2011-07-14 2016-10-11 Microsoft Technology Licensing, Llc Crowd sourcing based on dead reckoning
US8723730B2 (en) 2011-07-27 2014-05-13 Exelis Inc. System and method for direction finding and geolocation of emitters based on line-of-bearing intersections
US9429657B2 (en) 2011-12-14 2016-08-30 Microsoft Technology Licensing, Llc Power efficient activation of a device movement sensor module
US9420432B2 (en) 2011-12-23 2016-08-16 Microsoft Technology Licensing, Llc Mobile devices control
US8874162B2 (en) 2011-12-23 2014-10-28 Microsoft Corporation Mobile device safe driving
US20130305354A1 (en) 2011-12-23 2013-11-14 Microsoft Corporation Restricted execution modes
US9363250B2 (en) 2011-12-23 2016-06-07 Microsoft Technology Licensing, Llc Hub coordination service
US9467834B2 (en) 2011-12-23 2016-10-11 Microsoft Technology Licensing, Llc Mobile device emergency service
US9325752B2 (en) 2011-12-23 2016-04-26 Microsoft Technology Licensing, Llc Private interaction hubs
US9230076B2 (en) 2012-08-30 2016-01-05 Microsoft Technology Licensing, Llc Mobile device child share
US9817125B2 (en) 2012-09-07 2017-11-14 Microsoft Technology Licensing, Llc Estimating and predicting structures proximate to a mobile device
US9998866B2 (en) 2013-06-14 2018-06-12 Microsoft Technology Licensing, Llc Detecting geo-fence events using varying confidence levels
US9820231B2 (en) 2013-06-14 2017-11-14 Microsoft Technology Licensing, Llc Coalescing geo-fence events
EP3637126A1 (en) * 2016-01-05 2020-04-15 Elta Systems Ltd. Method of locating a transmitting source in multipath environment and system thereof
CN113970774B (zh) * 2021-12-22 2022-04-01 广东汇天航空航天科技有限公司 一种导航系统的模糊度固定方法和装置

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3680121A (en) * 1970-01-02 1972-07-25 Gen Electric Mobile locator system for metropolitan areas
US4385301A (en) * 1980-09-02 1983-05-24 General Dynamics Corporation Determining the location of emitters of electromagnetic radiation
US4651156A (en) * 1982-02-08 1987-03-17 Mcgraw-Edison Co. Integrated radio location and communication system
US4728959A (en) * 1986-08-08 1988-03-01 Ventana Sciences Inc. Direction finding localization 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
US5055851A (en) * 1988-05-16 1991-10-08 Trackmobile, Inc. Vehicle location system
DE59010076D1 (de) 1990-08-06 1996-02-29 Ascom Radiocom Ag Verfahren zur Lokalisation eines Mobilfunksenders
US5293642A (en) * 1990-12-19 1994-03-08 Northern Telecom Limited Method of locating a mobile station
US5225809A (en) * 1990-12-24 1993-07-06 Mayday U.S.A. Inc. Personal security system and apparatus therefor
US5365516A (en) * 1991-08-16 1994-11-15 Pinpoint Communications, Inc. Communication system and method for determining the location of a transponder unit
US5515419A (en) * 1992-06-01 1996-05-07 Trackmobile Tracking system and method for tracking a movable object carrying a cellular phone unit, and integrated personal protection system incorporating the tracking system
US5218367A (en) * 1992-06-01 1993-06-08 Trackmobile Vehicle tracking system
US5583517A (en) * 1992-08-20 1996-12-10 Nexus 1994 Limited Multi-path resistant frequency-hopped spread spectrum mobile location system
IL104264A (en) * 1992-08-20 1996-07-23 Nexus Telecomm Syst Remote location determination system
US5592180A (en) 1992-08-20 1997-01-07 Nexus1994 Limited Direction finding and mobile location system for trunked mobile radio systems
JPH06252832A (ja) * 1993-02-26 1994-09-09 Susumu Sakuma 電波を用いた移動体の位置確認システム
US5596330A (en) 1992-10-15 1997-01-21 Nexus Telecommunication Systems Ltd. Differential ranging for a frequency-hopped remote position determination system
US5317323A (en) * 1993-03-05 1994-05-31 E-Systems, Inc. Passive high accuracy geolocation system and method
US5327144A (en) * 1993-05-07 1994-07-05 Associated Rt, Inc. Cellular telephone location system
JP2833967B2 (ja) * 1993-07-23 1998-12-09 日本電気株式会社 携帯電話機の位置検出方法
DE69523746T2 (de) * 1994-03-25 2002-08-01 Qualcomm Inc Standortsbestimmungsverfahren zur verwendung mit einem analogen zellularsystem
JP3302490B2 (ja) * 1994-04-01 2002-07-15 株式会社ウェルキャット 携帯用端末装置の通信システムとその携帯用端末装置

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WO1997022888A1 (en) 1997-06-26
CA2240628A1 (en) 1997-06-26
CA2240628C (en) 2004-05-25
EP0870203B1 (en) 2000-05-10
DE69608311D1 (de) 2000-06-15
AU1412097A (en) 1997-07-14
EP0870203A1 (en) 1998-10-14
US5883598A (en) 1999-03-16
US6259404B1 (en) 2001-07-10

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