AU2001276873A1 - Method and apparatus for locating mobile receivers using a wide area reference network for propagating ephemeris - Google Patents

Method and apparatus for locating mobile receivers using a wide area reference network for propagating ephemeris

Info

Publication number
AU2001276873A1
AU2001276873A1 AU2001276873A AU7687301A AU2001276873A1 AU 2001276873 A1 AU2001276873 A1 AU 2001276873A1 AU 2001276873 A AU2001276873 A AU 2001276873A AU 7687301 A AU7687301 A AU 7687301A AU 2001276873 A1 AU2001276873 A1 AU 2001276873A1
Authority
AU
Australia
Prior art keywords
wide area
reference network
area reference
mobile receivers
locating mobile
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.)
Abandoned
Application number
AU2001276873A
Other languages
English (en)
Inventor
Frank Van Diggelen
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.)
Global Locate Inc
Original Assignee
Global Locate Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24463997&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=AU2001276873(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Global Locate Inc filed Critical Global Locate Inc
Publication of AU2001276873A1 publication Critical patent/AU2001276873A1/en
Abandoned legal-status Critical Current

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
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13—Receivers
    • G01S19/24—Acquisition or tracking or demodulation of signals transmitted by the system
    • G01S19/28—Satellite selection
    • 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
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/03—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
    • G01S19/05—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing aiding data
    • G01S19/06—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing aiding data employing an initial estimate of the location of the receiver as aiding data or in generating aiding data
    • 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
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13—Receivers
    • G01S19/24—Acquisition or tracking or demodulation of signals transmitted by the system
    • G01S19/25—Acquisition or tracking or demodulation of signals transmitted by the system involving aiding data received from a cooperating element, e.g. assisted GPS
    • G01S19/258—Acquisition or tracking or demodulation of signals transmitted by the system involving aiding data received from a cooperating element, e.g. assisted GPS relating to the satellite constellation, e.g. almanac, ephemeris data, lists of satellites in view

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Complex Calculations (AREA)
  • Radio Relay Systems (AREA)
AU2001276873A 2000-07-13 2001-07-11 Method and apparatus for locating mobile receivers using a wide area reference network for propagating ephemeris Abandoned AU2001276873A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09615105 2000-07-13
US09/615,105 US6411892B1 (en) 2000-07-13 2000-07-13 Method and apparatus for locating mobile receivers using a wide area reference network for propagating ephemeris
PCT/US2001/021852 WO2002006987A1 (en) 2000-07-13 2001-07-11 Method and apparatus for locating mobile receivers using a wide area reference network for propagating ephemeris

Publications (1)

Publication Number Publication Date
AU2001276873A1 true AU2001276873A1 (en) 2002-01-30

Family

ID=24463997

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001276873A Abandoned AU2001276873A1 (en) 2000-07-13 2001-07-11 Method and apparatus for locating mobile receivers using a wide area reference network for propagating ephemeris

Country Status (6)

Country Link
US (10) US6411892B1 (enExample)
EP (1) EP1305735A4 (enExample)
JP (1) JP2004504612A (enExample)
CN (2) CN100587514C (enExample)
AU (1) AU2001276873A1 (enExample)
WO (1) WO2002006987A1 (enExample)

Families Citing this family (243)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8352400B2 (en) 1991-12-23 2013-01-08 Hoffberg Steven M Adaptive pattern recognition based controller apparatus and method and human-factored interface therefore
US10361802B1 (en) 1999-02-01 2019-07-23 Blanding Hovenweep, Llc Adaptive pattern recognition based control system and method
US7711038B1 (en) 1998-09-01 2010-05-04 Sirf Technology, Inc. System and method for despreading in a spread spectrum matched filter
US7545854B1 (en) * 1998-09-01 2009-06-09 Sirf Technology, Inc. Doppler corrected spread spectrum matched filter
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
US6393294B1 (en) * 1998-09-22 2002-05-21 Polaris Wireless, 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
US7734298B2 (en) * 1998-09-22 2010-06-08 Polaris Wireless, Inc. Estimating the location of a wireless terminal based on signal path impairment
US7018401B1 (en) * 1999-02-01 2006-03-28 Board Of Regents, The University Of Texas System Woven intravascular devices and methods for making the same and apparatus for delivery of the same
US7966078B2 (en) 1999-02-01 2011-06-21 Steven Hoffberg Network media appliance system and method
KR100617228B1 (ko) * 1999-03-19 2006-08-31 엘지전자 주식회사 실시간 운영체계 커널의 이벤트 전달 체계 구현방법
US7053824B2 (en) * 2001-11-06 2006-05-30 Global Locate, Inc. Method and apparatus for receiving a global positioning system signal using a cellular acquisition signal
US6411892B1 (en) * 2000-07-13 2002-06-25 Global Locate, Inc. Method and apparatus for locating mobile receivers using a wide area reference network for propagating ephemeris
US9020756B2 (en) * 1999-04-23 2015-04-28 Global Locate, Inc. Method and apparatus for processing satellite positioning system signals
IL139073A0 (en) * 1999-10-21 2001-11-25 Pfizer Treatment of neuropathy
US6975941B1 (en) 2002-04-24 2005-12-13 Chung Lau Method and apparatus for intelligent acquisition of position information
US7218938B1 (en) 2002-04-24 2007-05-15 Chung Lau Methods and apparatus to analyze and present location information
US7366522B2 (en) 2000-02-28 2008-04-29 Thomas C Douglass Method and system for location tracking
US7403972B1 (en) 2002-04-24 2008-07-22 Ip Venture, Inc. Method and system for enhanced messaging
US7212829B1 (en) 2000-02-28 2007-05-01 Chung Lau Method and system for providing shipment tracking and notifications
US7321774B1 (en) 2002-04-24 2008-01-22 Ipventure, Inc. Inexpensive position sensing device
US7970411B2 (en) * 2000-05-18 2011-06-28 Sirf Technology, Inc. Aided location communication system
US6389291B1 (en) * 2000-08-14 2002-05-14 Sirf Technology Multi-mode global positioning system for use with wireless networks
US7813875B2 (en) * 2002-10-10 2010-10-12 Sirf Technology, Inc. Layered host based satellite positioning solutions
US6778136B2 (en) 2001-12-13 2004-08-17 Sirf Technology, Inc. Fast acquisition of GPS signal
US7929928B2 (en) 2000-05-18 2011-04-19 Sirf Technology Inc. Frequency phase correction system
US7546395B2 (en) * 2002-10-10 2009-06-09 Sirf Technology, Inc. Navagation processing between a tracker hardware device and a computer host based on a satellite positioning solution system
US8078189B2 (en) * 2000-08-14 2011-12-13 Sirf Technology, Inc. System and method for providing location based services over a network
US7970412B2 (en) * 2000-05-18 2011-06-28 Sirf Technology, Inc. Aided location communication system
US7043363B2 (en) * 2002-10-10 2006-05-09 Sirf Technology, Inc. Host based satellite positioning systems
US8116976B2 (en) 2000-05-18 2012-02-14 Csr Technology Inc. Satellite based positioning method and system for coarse location positioning
US7616705B1 (en) 2000-07-27 2009-11-10 Sirf Technology Holdings, Inc. Monolithic GPS RF front end integrated circuit
US6856794B1 (en) * 2000-07-27 2005-02-15 Sirf Technology, Inc. Monolithic GPS RF front end integrated circuit
US6961019B1 (en) * 2000-08-10 2005-11-01 Sirf Technology, Inc. Method and apparatus for reducing GPS receiver jamming during transmission in a wireless receiver
US7436907B1 (en) 2000-08-24 2008-10-14 Sirf Technology, Inc. Analog compression of GPS C/A signal to audio bandwidth
EP1311870B1 (en) * 2000-08-24 2011-04-27 SiRF Technology, Inc. Apparatus for reducing auto-correlation or cross-correlation in weak cdma signals
US6665612B1 (en) * 2000-08-29 2003-12-16 Sirf Technology, Inc. Navigation processing for a satellite positioning system receiver
US7463893B1 (en) 2000-09-22 2008-12-09 Sirf Technology, Inc. Method and apparatus for implementing a GPS receiver on a single integrated circuit
US7574215B1 (en) * 2000-11-06 2009-08-11 Trimble Navigation Limited System and method for distribution of GPS satellite information
US7443340B2 (en) * 2001-06-06 2008-10-28 Global Locate, Inc. Method and apparatus for generating and distributing satellite tracking information
US6937187B2 (en) 2000-11-17 2005-08-30 Global Locate, Inc. Method and apparatus for forming a dynamic model to locate position of a satellite receiver
US7196660B2 (en) * 2000-11-17 2007-03-27 Global Locate, Inc Method and system for determining time in a satellite positioning system
US6992617B2 (en) * 2003-11-13 2006-01-31 Global Locate, Inc. Method and apparatus for monitoring the integrity of satellite tracking data used by a remote receiver
US6542820B2 (en) * 2001-06-06 2003-04-01 Global Locate, Inc. Method and apparatus for generating and distributing satellite tracking information
US20070200752A1 (en) 2001-06-06 2007-08-30 Global Locate, Inc. Method and apparatus for maintaining integrity of long-term orbits in a remote receiver
US7671489B1 (en) 2001-01-26 2010-03-02 Sirf Technology, Inc. Method and apparatus for selectively maintaining circuit power when higher voltages are present
US6703971B2 (en) * 2001-02-21 2004-03-09 Sirf Technologies, Inc. Mode determination for mobile GPS terminals
US7006556B2 (en) * 2001-05-18 2006-02-28 Global Locate, Inc. Method and apparatus for performing signal correlation at multiple resolutions to mitigate multipath interference
US7769076B2 (en) * 2001-05-18 2010-08-03 Broadcom Corporation Method and apparatus for performing frequency synchronization
US7668554B2 (en) * 2001-05-21 2010-02-23 Sirf Technology, Inc. Network system for aided GPS broadcast positioning
US8244271B2 (en) * 2001-05-21 2012-08-14 Csr Technology Inc. Distributed data collection of satellite data
US8212719B2 (en) * 2001-06-06 2012-07-03 Global Locate, Inc. Method and apparatus for background decoding of a satellite navigation message to maintain integrity of long term orbit information in a remote receiver
US7548816B2 (en) 2001-06-06 2009-06-16 Global Locate, Inc. Method and apparatus for generating and securely distributing long-term satellite tracking information
US8358245B2 (en) * 2001-06-06 2013-01-22 Broadcom Corporation Method and system for extending the usability period of long term orbit (LTO)
US20080129588A1 (en) 2001-06-06 2008-06-05 David Albert Lundgren Method and apparatus for determining location information of a mobile device
US8090536B2 (en) * 2001-06-06 2012-01-03 Broadcom Corporation Method and apparatus for compression of long term orbit data
US20080186229A1 (en) * 2001-06-06 2008-08-07 Van Diggelen Frank Method and Apparatus for Monitoring Satellite-Constellation Configuration To Maintain Integrity of Long-Term-Orbit Information In A Remote Receiver
US20080125971A1 (en) * 2001-06-06 2008-05-29 Van Diggelen Frank Method and apparatus for improving accuracy and/or integrity of long-term-orbit information for a global-navigation-satellite system
US6651000B2 (en) 2001-07-25 2003-11-18 Global Locate, Inc. Method and apparatus for generating and distributing satellite tracking information in a compact format
JP2003075524A (ja) * 2001-08-31 2003-03-12 Denso Corp 移動通信端末装置、そのプログラムおよび位置サーバ
US7656350B2 (en) * 2001-11-06 2010-02-02 Global Locate Method and apparatus for processing a satellite positioning system signal using a cellular acquisition signal
US7574218B2 (en) * 2002-01-16 2009-08-11 Kyocera Wireless Corp. Systems and methods for transmitting global positioning system information
US20030186699A1 (en) * 2002-03-28 2003-10-02 Arlene Havlark Wireless telecommunications location based services scheme selection
US9154906B2 (en) 2002-03-28 2015-10-06 Telecommunication Systems, Inc. Area watcher for wireless network
US8290505B2 (en) 2006-08-29 2012-10-16 Telecommunications Systems, Inc. Consequential location derived information
US7426380B2 (en) 2002-03-28 2008-09-16 Telecommunication Systems, Inc. Location derived presence information
US8126889B2 (en) * 2002-03-28 2012-02-28 Telecommunication Systems, Inc. Location fidelity adjustment based on mobile subscriber privacy profile
US8027697B2 (en) 2007-09-28 2011-09-27 Telecommunication Systems, Inc. Public safety access point (PSAP) selection for E911 wireless callers in a GSM type system
US8918073B2 (en) 2002-03-28 2014-12-23 Telecommunication Systems, Inc. Wireless telecommunications location based services scheme selection
US9049571B2 (en) 2002-04-24 2015-06-02 Ipventure, Inc. Method and system for enhanced messaging
US9182238B2 (en) 2002-04-24 2015-11-10 Ipventure, Inc. Method and apparatus for intelligent acquisition of position information
US6738013B2 (en) * 2002-06-20 2004-05-18 Sirf Technology, Inc. Generic satellite positioning system receivers with selective inputs and outputs
WO2004001439A1 (en) * 2002-06-20 2003-12-31 Sirf Technology, Inc. Generic satellite positioning system receivers with programmable inputs and selectable inputs and outputs
US20040010368A1 (en) * 2002-07-10 2004-01-15 Logan Scott Assisted GPS signal detection and processing system for indoor location determination
US7133772B2 (en) * 2002-07-30 2006-11-07 Global Locate, Inc. Method and apparatus for navigation using instantaneous Doppler measurements from satellites
JP4255441B2 (ja) 2002-08-15 2009-04-15 サーフ テクノロジー インコーポレイテッド Ｇｐｓシステム用インターフェース
US7363044B2 (en) * 2002-09-30 2008-04-22 Motorola, Inc. System and method for aiding a location determination in a positioning system
US7158080B2 (en) * 2002-10-02 2007-01-02 Global Locate, Inc. Method and apparatus for using long term satellite tracking data in a remote receiver
EP1835300B1 (en) 2002-10-02 2014-05-21 Global Locate, Inc. Method and apparatus for using long term satellite tracking data in a remote receiver
US7595752B2 (en) * 2002-10-02 2009-09-29 Global Locate, Inc. Method and apparatus for enhanced autonomous GPS
US6903684B1 (en) * 2002-10-22 2005-06-07 Qualcomm Incorporated Method and apparatus for optimizing GPS-based position location in presence of time varying frequency error
US6873910B2 (en) * 2002-10-22 2005-03-29 Qualcomm Incorporated Procedure for searching for position determination signals using a plurality of search modes
US7433695B2 (en) * 2002-11-18 2008-10-07 Polaris Wireless, Inc. Computationally-efficient estimation of the location of a wireless terminal based on pattern matching
US8666397B2 (en) 2002-12-13 2014-03-04 Telecommunication Systems, Inc. Area event handling when current network does not cover target area
US7155183B2 (en) * 2003-01-16 2006-12-26 Global Locate, Inc. Method and apparatus for adjusting reference oscillator frequency in a mobile wireless device
KR100498480B1 (ko) * 2003-01-23 2005-07-01 삼성전자주식회사 Ｇｐｓ 위성 신호를 이용한 위치추정방법 및 위치추정장치
KR100922937B1 (ko) * 2003-02-12 2009-10-22 삼성전자주식회사 이동통신 단말기의 위치를 측정하기 위한 위성 획득 정보계산 장치 및 방법
US7945387B2 (en) * 2003-03-19 2011-05-17 Broadcom Corporation Method and apparatus for distribution of satellite navigation data
US20040192386A1 (en) * 2003-03-26 2004-09-30 Naveen Aerrabotu Method and apparatus for multiple subscriber identities in a mobile communication device
GB0310410D0 (en) * 2003-05-07 2003-06-11 Koninkl Philips Electronics Nv A method of determining a GPS position fix and a GPS receiver for the same
EP1664824B1 (en) 2003-09-02 2015-01-14 SiRF Technology, Inc. Satellite positioning receiver and method of communicating between the signal processing and FFT subsystems of said satellite positioning receiver
US7822105B2 (en) 2003-09-02 2010-10-26 Sirf Technology, Inc. Cross-correlation removal of carrier wave jamming signals
KR100539915B1 (ko) * 2003-10-31 2005-12-28 삼성전자주식회사 Ａｇｐｓ 시스템에서 획득 보조 정보 생성 방법
US20050234643A1 (en) 2003-11-21 2005-10-20 Charles Abraham Method and apparatus for managing network elements in a satellite navigation data distribution system
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
US20080126535A1 (en) 2006-11-28 2008-05-29 Yinjun Zhu User plane location services over session initiation protocol (SIP)
US20080090546A1 (en) 2006-10-17 2008-04-17 Richard Dickinson Enhanced E911 network access for a call center using session initiation protocol (SIP) messaging
FR2865605B1 (fr) * 2004-01-26 2006-04-28 Cit Alcatel Procede de localisation assistee de terminaux mobiles de communication d'un reseau cellulaire, par utilisation d'un canal de transport ussd
US7688260B2 (en) * 2004-08-26 2010-03-30 Global Locate, Inc. Method and apparatus for locating position of a mobile device in an assisted satellite positioning system
US7365680B2 (en) * 2004-02-10 2008-04-29 Sirf Technology, Inc. Location services system that reduces auto-correlation or cross-correlation in weak signals
US7177635B2 (en) * 2004-03-19 2007-02-13 Transcore Link Logistics Corporation Sensor-based augmentation of blockage recovery
JP3876893B2 (ja) 2004-05-14 2007-02-07 セイコーエプソン株式会社 端末装置、測位方法、端末装置の制御プログラム、端末装置の制御プログラムを記録したコンピュータ読み取り可能な記録媒体
US7256732B2 (en) * 2004-07-01 2007-08-14 Global Locate, Inc Method and apparatus for location-based triggering in an assisted satellite positioning system
US7113128B1 (en) * 2004-10-15 2006-09-26 Telecommunication Systems, Inc. Culled satellite ephemeris information for quick, accurate assisted locating satellite location determination for cell site antennas
US7411546B2 (en) 2004-10-15 2008-08-12 Telecommunication Systems, Inc. Other cell sites used as reference point to cull satellite ephemeris information for quick, accurate assisted locating satellite location determination
US6985105B1 (en) * 2004-10-15 2006-01-10 Telecommunication Systems, Inc. Culled satellite ephemeris information based on limiting a span of an inverted cone for locating satellite in-range determinations
US7629926B2 (en) * 2004-10-15 2009-12-08 Telecommunication Systems, Inc. Culled satellite ephemeris information for quick, accurate assisted locating satellite location determination for cell site antennas
EP2026085B1 (en) 2004-10-21 2012-03-07 Nokia Corporation Providing carrier-phase measurements upon request for satellite based positioning
US7353034B2 (en) 2005-04-04 2008-04-01 X One, Inc. Location sharing and tracking using mobile phones or other wireless devices
US7664187B2 (en) * 2005-04-25 2010-02-16 Sirf Technology, Inc. Memory reduction in digital broadcast receivers
US7555661B2 (en) * 2005-05-03 2009-06-30 Sirf Technology, Inc. Power management in digital receivers that adjusts at least one a of clock rate and a bit width based on received signal
US8660573B2 (en) 2005-07-19 2014-02-25 Telecommunications Systems, Inc. Location service requests throttling
US7813454B2 (en) * 2005-09-07 2010-10-12 Sirf Technology, Inc. Apparatus and method for tracking symbol timing of OFDM modulation in a multi-path channel
US9282451B2 (en) 2005-09-26 2016-03-08 Telecommunication Systems, Inc. Automatic location identification (ALI) service requests steering, connection sharing and protocol translation
US7825780B2 (en) * 2005-10-05 2010-11-02 Telecommunication Systems, Inc. Cellular augmented vehicle alarm notification together with location services for position of an alarming vehicle
US20070075848A1 (en) * 2005-10-05 2007-04-05 Pitt Lance D Cellular augmented vehicle alarm
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
US8467320B2 (en) 2005-10-06 2013-06-18 Telecommunication Systems, Inc. Voice over internet protocol (VoIP) multi-user conferencing
US7286083B2 (en) * 2005-12-15 2007-10-23 Motorola, Inc. Method and apparatus for improving fault detection and exclusion systems
US8176107B2 (en) * 2005-12-16 2012-05-08 Csr Technology Inc. Multi-standard multi-rate filter
US8111791B2 (en) * 2005-12-20 2012-02-07 Sirf Technology, Inc. Differential evolution design of polyphase IIR decimation filters
US7466778B2 (en) * 2005-12-22 2008-12-16 Sirf Technology, Inc. Memory efficient OFDM channel estimation and frequency domain diversity processing
US7671672B2 (en) * 2005-12-22 2010-03-02 Sirf Technology, Inc. Baseband noise reduction
US7889780B2 (en) * 2006-01-04 2011-02-15 Sirf Technology, Inc. Method of estimating doppler spread and signal-to-noise ratio of a received signal
US7459970B2 (en) * 2006-01-11 2008-12-02 Sirf Technology, Inc. Method and apparatus for optimizing power dissipation in a low noise amplifier
US7451378B2 (en) * 2006-01-16 2008-11-11 Sirf Technology, Inc. Method and apparatus for memory optimization in MPE-FEC system
US7644343B2 (en) * 2006-01-17 2010-01-05 Rajugopal Gubbi Error resilience methods for multi-protocol encapsulation forward error correction implementations
US8150363B2 (en) 2006-02-16 2012-04-03 Telecommunication Systems, Inc. Enhanced E911 network access for call centers
US7679550B2 (en) * 2006-02-21 2010-03-16 Garrison James L System and method for model-base compression of GPS ephemeris
US8059789B2 (en) 2006-02-24 2011-11-15 Telecommunication Systems, Inc. Automatic location identification (ALI) emergency services pseudo key (ESPK)
US7899450B2 (en) * 2006-03-01 2011-03-01 Telecommunication Systems, Inc. Cellular augmented radar/laser detection using local mobile network within cellular network
US9167553B2 (en) 2006-03-01 2015-10-20 Telecommunication Systems, Inc. GeoNexus proximity detector network
US7471236B1 (en) * 2006-03-01 2008-12-30 Telecommunication Systems, Inc. Cellular augmented radar/laser detector
US7548200B2 (en) * 2006-04-24 2009-06-16 Nemerix Sa Ephemeris extension method for GNSS applications
US8125382B2 (en) 2006-04-25 2012-02-28 Rx Networks Inc. Autonomous orbit propagation system and method
US7612712B2 (en) 2006-04-25 2009-11-03 Rx Networks Inc. Distributed orbit modeling and propagation method for a predicted and real-time assisted GPS system
US8208605B2 (en) 2006-05-04 2012-06-26 Telecommunication Systems, Inc. Extended efficient usage of emergency services keys
US7656348B2 (en) * 2006-05-19 2010-02-02 Qualcomm Incorporated System and/or method for determining sufficiency of pseudorange measurements
US7753278B2 (en) * 2006-05-22 2010-07-13 Polaris Wireless, Inc. Estimating the location of a wireless terminal based on non-uniform locations
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
JP2007316070A (ja) * 2006-05-22 2007-12-06 Polaris Wireless Inc 無線端末の居場所の予測方法
JP2007316068A (ja) * 2006-05-22 2007-12-06 Polaris Wireless Inc 無線端末の居場所の予測方法
EP1873546A1 (en) * 2006-06-23 2008-01-02 Nemerix SA Method and system for ephemeris extension for GNSS applications
WO2008005904A2 (en) * 2006-06-30 2008-01-10 Sirf Technology, Inc. Enhanced aiding in gps systems
US8121238B2 (en) 2006-06-30 2012-02-21 Csr Technology Inc. System and method for synchronizing digital bits in a data stream
US8026847B2 (en) * 2006-09-14 2011-09-27 Qualcomm Incorporated System and/or method for acquisition of GNSS signals
US7920093B2 (en) * 2006-09-27 2011-04-05 Purdue Research Foundation Methods for improving computational efficiency in a global positioning satellite receiver
WO2008057477A2 (en) 2006-11-03 2008-05-15 Telecommunication Systems, Inc. Roaming gateway enabling location based services (lbs) roaming for user plane in cdma networks without requiring use of a mobile positioning center (mpc)
US8493267B2 (en) 2006-11-10 2013-07-23 Qualcomm Incorporated Method and apparatus for position determination with extended SPS orbit information
US7466209B2 (en) * 2007-01-05 2008-12-16 Sirf Technology, Inc. System and method for providing temperature correction in a crystal oscillator
US20080167018A1 (en) * 2007-01-10 2008-07-10 Arlene Havlark Wireless telecommunications location based services scheme selection
US8497801B2 (en) 2007-02-05 2013-07-30 Qualcomm Incorporated Prediction refresh method for ephemeris extensions
US8050386B2 (en) 2007-02-12 2011-11-01 Telecommunication Systems, Inc. Mobile automatic location identification (ALI) for first responders
US7839324B2 (en) * 2007-02-12 2010-11-23 Sirf Technology, Inc. Efficient ephemeris coding
US7979207B2 (en) * 2007-03-19 2011-07-12 Sirf Technology, Inc. Systems and methods for detecting a vehicle static condition
US7724612B2 (en) * 2007-04-20 2010-05-25 Sirf Technology, Inc. System and method for providing aiding information to a satellite positioning system receiver over short-range wireless connections
TWI345068B (en) * 2007-07-20 2011-07-11 Mitac Int Corp Method, device and system for high-speed positioning
WO2009038726A1 (en) 2007-09-17 2009-03-26 Telecommunication Systems, Inc. Emergency 911 data messaging
US7995683B2 (en) * 2007-10-24 2011-08-09 Sirf Technology Inc. Noise floor independent delay-locked loop discriminator
US8571506B2 (en) * 2007-10-29 2013-10-29 Csr Technology Inc. Systems and methods for sharing an oscillator between receivers
US8159393B2 (en) 2007-11-05 2012-04-17 Csr Technology Inc. Systems and methods for synthesizing GPS measurements to improve GPS location availability
US8190365B2 (en) * 2007-11-05 2012-05-29 Csr Technology Inc. Systems and methods for processing navigational solutions
US20090115656A1 (en) * 2007-11-06 2009-05-07 Sirf Technology, Inc. Systems and Methods for Global Differential Positioning
US20090115657A1 (en) * 2007-11-06 2009-05-07 Ann-Tzung Cheng Gnss receiver system and related method thereof
KR101522752B1 (ko) 2007-11-19 2015-05-26 알엑스 네트웍스 아이엔씨. 예측된 실시간 지원 ｇｐｓ 시스템을 위한 분산 궤도 모델링과 전파 방법
US7821454B2 (en) * 2007-11-20 2010-10-26 Sirf Technology, Inc. Systems and methods for detecting GPS measurement errors
US7786929B2 (en) * 2007-11-26 2010-08-31 Mediatek Inc. Method and device for predicting GNSS satellite trajectory extension data used in mobile apparatus
US8368588B2 (en) * 2007-11-26 2013-02-05 Mediatek Inc. Method and apparatus for updating transformation information parameters used in global navigation satellite system
US7642957B2 (en) * 2007-11-27 2010-01-05 Sirf Technology, Inc. GPS system utilizing multiple antennas
US7929530B2 (en) 2007-11-30 2011-04-19 Telecommunication Systems, Inc. Ancillary data support in session initiation protocol (SIP) messaging
US9130963B2 (en) 2011-04-06 2015-09-08 Telecommunication Systems, Inc. Ancillary data support in session initiation protocol (SIP) messaging
US8144053B2 (en) * 2008-02-04 2012-03-27 Csr Technology Inc. System and method for verifying consistent measurements in performing GPS positioning
US8106822B2 (en) * 2008-02-19 2012-01-31 Honeywell International Inc. System and method for GNSS position aided signal acquisition
US8699984B2 (en) 2008-02-25 2014-04-15 Csr Technology Inc. Adaptive noise figure control in a radio receiver
US7616064B2 (en) * 2008-02-28 2009-11-10 Noshir Dubash Digital synthesizer for low power location receivers
US8670882B2 (en) * 2008-04-03 2014-03-11 Csr Technology Inc. Systems and methods for monitoring navigation state errors
US8478305B2 (en) * 2008-04-09 2013-07-02 Csr Technology Inc. System and method for integrating location information into an internet phone system
US9366763B2 (en) * 2009-02-04 2016-06-14 Qualcomm Incorporated Method and apparatus for position determination with hybrid SPS orbit data
US8073414B2 (en) 2008-06-27 2011-12-06 Sirf Technology Inc. Auto-tuning system for an on-chip RF filter
US8072376B2 (en) * 2008-06-27 2011-12-06 Sirf Technology Inc. Method and apparatus for mitigating the effects of cross correlation in a GPS receiver
US8068587B2 (en) 2008-08-22 2011-11-29 Telecommunication Systems, Inc. Nationwide table routing of voice over internet protocol (VOIP) emergency calls
WO2010044837A1 (en) 2008-10-14 2010-04-22 Telecommunication Systems, Inc. Location based proximity alert
US8892128B2 (en) * 2008-10-14 2014-11-18 Telecommunication Systems, Inc. Location based geo-reminders
US8125377B2 (en) * 2008-11-17 2012-02-28 Andrew Llc System and method for determining the location of a mobile device
US7956803B2 (en) * 2008-12-01 2011-06-07 Andrew, Llc System and method for protecting against spoofed A-GNSS measurement data
US8242841B2 (en) * 2008-12-05 2012-08-14 Csr Technology Inc. Receiver having multi-stage low noise amplifier
US7999730B2 (en) * 2008-12-05 2011-08-16 Andrew, Llc System and method for providing GNSS assistant data without dedicated receivers
US20100149031A1 (en) * 2008-12-12 2010-06-17 Andrew Llc System and method for determining forged radio frequency measurements
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
US20110009086A1 (en) * 2009-07-10 2011-01-13 Todd Poremba Text to 9-1-1 emergency communication
US9075140B2 (en) * 2009-09-23 2015-07-07 Purdue Research Foundation GNSS ephemeris with graceful degradation and measurement fusion
US9633327B2 (en) 2009-09-25 2017-04-25 Fedex Corporate Services, Inc. Sensor zone management
US8239169B2 (en) 2009-09-25 2012-08-07 Gregory Timothy L Portable computing device and method for asset management in a logistics system
US8299920B2 (en) 2009-09-25 2012-10-30 Fedex Corporate Services, Inc. Sensor based logistics system
US20110238308A1 (en) * 2010-03-26 2011-09-29 Isaac Thomas Miller Pedal navigation using leo signals and body-mounted sensors
WO2012005769A1 (en) 2010-07-09 2012-01-12 Telecommunication Systems, Inc. Location privacy selector
US20120006610A1 (en) 2010-07-09 2012-01-12 Erik Wallace Telematics enhanced mobile device safety interlock
US8848573B1 (en) * 2010-10-21 2014-09-30 Cisco Technology, Inc. Bandwidth conservation for multicast traffic in RF downlinks
JP5740961B2 (ja) * 2010-12-17 2015-07-01 セイコーエプソン株式会社 衛星信号捕捉適否判定方法及び衛星信号捕捉適否判定装置
US8688087B2 (en) 2010-12-17 2014-04-01 Telecommunication Systems, Inc. N-dimensional affinity confluencer
US8942743B2 (en) 2010-12-17 2015-01-27 Telecommunication Systems, Inc. iALERT enhanced alert manager
US8682321B2 (en) 2011-02-25 2014-03-25 Telecommunication Systems, Inc. Mobile internet protocol (IP) location
US8674877B1 (en) 2011-03-03 2014-03-18 Sprint Communications Company L.P. Distribution of positioning satellite information
US9055455B2 (en) * 2011-06-29 2015-06-09 Pismo Labs Technology Ltd. Systems and methods providing assisted aiming for wireless links
US10199726B2 (en) 2011-06-29 2019-02-05 Pismo Labs Technology Limited Systems and methods providing assisted aiming for wireless links through a plurality of external antennas
US8649806B2 (en) 2011-09-02 2014-02-11 Telecommunication Systems, Inc. Aggregate location dynometer (ALD)
US9479344B2 (en) 2011-09-16 2016-10-25 Telecommunication Systems, Inc. Anonymous voice conversation
WO2013048551A1 (en) 2011-09-30 2013-04-04 Telecommunication Systems, Inc. Unique global identifier for minimizing prank 911 calls
US9313637B2 (en) 2011-12-05 2016-04-12 Telecommunication Systems, Inc. Wireless emergency caller profile data delivery over a legacy interface
US9264537B2 (en) 2011-12-05 2016-02-16 Telecommunication Systems, Inc. Special emergency call treatment based on the caller
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
US9544260B2 (en) 2012-03-26 2017-01-10 Telecommunication Systems, Inc. Rapid assignment dynamic ownership queue
US9307372B2 (en) 2012-03-26 2016-04-05 Telecommunication Systems, Inc. No responders online
US9338153B2 (en) 2012-04-11 2016-05-10 Telecommunication Systems, Inc. Secure distribution of non-privileged authentication credentials
US9618625B2 (en) 2012-07-06 2017-04-11 Apple Inc. System and method for continuous carrier wave reconstruction
US9360557B1 (en) 2012-07-06 2016-06-07 Apple Inc. Systems, methods, devices and subassemblies for rapid-acquisition access to high-precision positioning, navigation and/or timing solutions
WO2014028712A1 (en) 2012-08-15 2014-02-20 Telecommunication Systems, Inc. Device independent caller data access for emergency calls
US9208346B2 (en) 2012-09-05 2015-12-08 Telecommunication Systems, Inc. Persona-notitia intellection codifier
US9484980B1 (en) * 2012-12-03 2016-11-01 Sprint Communications Company L.P. Precision timing source back-up for loss of GPS satellites
US9456301B2 (en) 2012-12-11 2016-09-27 Telecommunication Systems, Inc. Efficient prisoner tracking
US20140258023A1 (en) * 2013-03-11 2014-09-11 Bank Of America Corporation Intelligent Personal Finance Tracking Engine
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
EP3032279B1 (en) 2014-12-08 2019-03-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Pseudorange determinator, method for providing a pseudorange information and computer program
US10436574B2 (en) * 2015-04-28 2019-10-08 Raytheon Company Optical navigation system
TWI565961B (zh) * 2015-08-13 2017-01-11 瑞昱半導體股份有限公司 衛星定位裝置及電子裝置
US10020876B2 (en) 2016-07-28 2018-07-10 Spire Global Inc. Systems and methods for command and control of satellite constellations
CN117310751A (zh) 2016-12-01 2023-12-29 谷歌有限责任公司 用于位置确定的方法和系统
CN107748373B (zh) * 2017-09-25 2019-12-13 千寻位置网络有限公司 卫星导航电文数据收集方法
EP3511741B1 (en) * 2018-01-10 2020-11-04 Intel IP Corporation Positioning receiver
CN110972257B (zh) * 2018-09-29 2021-06-08 华为技术有限公司 通信方法、相关设备及计算机存储介质
WO2020180282A1 (en) 2019-03-01 2020-09-10 Google Llc Determining velocity using a reflected positioning signal
WO2021006866A1 (en) 2019-07-08 2021-01-14 Google Llc Enhancing sensitivity to reflected gnss signals
WO2021248461A1 (en) * 2020-06-12 2021-12-16 Lenovo (Beijing) Limited Method and apparatus for group ephemeris data provision
US12235367B2 (en) * 2022-09-27 2025-02-25 Bae Systems Information And Electronic Systems Integration Inc. Navigation system with embedded software defined radio
CN115685266B (zh) * 2022-10-21 2023-07-11 中国人民解放军61081部队 基于全球网格的gps信号分量调整中心点确定方法

Family Cites Families (151)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4445118A (en) * 1981-05-22 1984-04-24 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Navigation system and method
US4797677A (en) * 1982-10-29 1989-01-10 Istac, Incorporated Method and apparatus for deriving pseudo range from earth-orbiting satellites
US4764465A (en) * 1984-04-26 1988-08-16 Cetus Corporation Human monoclonal antibody against group A red blood cells
US4751512A (en) 1986-01-21 1988-06-14 Oceanonics, Inc. Differential navigation system for remote mobile users
US4847862A (en) * 1988-04-07 1989-07-11 Trimble Navigation, Ltd. Global positioning system course acquisition code receiver
US4884208A (en) 1988-05-16 1989-11-28 Equipment Tracking Network, Inc. System for continuously establishing and indicating the location of a movable object
US4970523A (en) * 1989-03-27 1990-11-13 Trimble Navigation, Ltd. Differential doppler velocity GPS receiver
US5108334A (en) * 1989-06-01 1992-04-28 Trimble Navigation, Ltd. Dual down conversion GPS receiver with single local oscillator
US5187805A (en) 1989-10-02 1993-02-16 Motorola, Inc. Telemetry, tracking and control for satellite cellular communication systems
US5610815A (en) * 1989-12-11 1997-03-11 Caterpillar Inc. Integrated vehicle positioning and navigation system, apparatus and method
US5995556A (en) * 1990-06-06 1999-11-30 California Institute Of Technology Front end for GPS receivers
US5347284A (en) * 1991-02-28 1994-09-13 Texas Instruments Incorporated System and method for a digital navigation satellite receiver
EP0508405B1 (en) * 1991-04-12 1997-07-09 Sharp Kabushiki Kaisha System for measuring position by using global positioning system and receiver for global positioning system
US5225842A (en) * 1991-05-09 1993-07-06 Navsys Corporation Vehicle tracking system employing global positioning system (gps) satellites
US5202829A (en) * 1991-06-10 1993-04-13 Trimble Navigation Limited Exploration system and method for high-accuracy and high-confidence level relative position and velocity determinations
US5148179A (en) * 1991-06-27 1992-09-15 Trimble Navigation Differential position determination using satellites
US6157621A (en) * 1991-10-28 2000-12-05 Teledesic Llc Satellite communication system
US5323322A (en) * 1992-03-05 1994-06-21 Trimble Navigation Limited Networked differential GPS system
US5457460A (en) * 1992-11-17 1995-10-10 Honeywell Inc. Embedded threat data recorder
US5777580A (en) * 1992-11-18 1998-07-07 Trimble Navigation Limited Vehicle location system
US5365450A (en) * 1992-12-17 1994-11-15 Stanford Telecommunications, Inc. Hybrid GPS/data line unit for rapid, precise, and robust position determination
US5587715A (en) * 1993-03-19 1996-12-24 Gps Mobile, Inc. Method and apparatus for tracking a moving object
US5420592A (en) * 1993-04-05 1995-05-30 Radix Technologies, Inc. Separated GPS sensor and processing system for remote GPS sensing and centralized ground station processing for remote mobile position and velocity determinations
WO1995018977A1 (en) * 1994-01-03 1995-07-13 Trimble Navigation A network for code phase differential gps corrections
US5477458A (en) 1994-01-03 1995-12-19 Trimble Navigation Limited Network for carrier phase differential GPS corrections
US5470233A (en) * 1994-03-17 1995-11-28 Arkenstone, Inc. System and method for tracking a pedestrian
US6321158B1 (en) * 1994-06-24 2001-11-20 Delorme Publishing Company Integrated routing/mapping information
US5481592A (en) * 1994-10-05 1996-01-02 At&T Corp. System for automatically completing calls to mobile telephone subscribers
US5913170A (en) * 1994-11-16 1999-06-15 Highwaymaster Communications, Inc. Locating system and method using a mobile communications network
US5694416A (en) * 1995-02-24 1997-12-02 Radix Technologies, Inc. Direct sequence spread spectrum receiver and antenna array for the simultaneous formation of a beam on a signal source and a null on an interfering jammer
US6236360B1 (en) * 1995-04-18 2001-05-22 Richard W. Rudow Golf course yardage and information system
US6236940B1 (en) * 1995-09-08 2001-05-22 Prolink, Inc. Display monitor for golf cart yardage and information system
US5638077A (en) * 1995-05-04 1997-06-10 Rockwell International Corporation Differential GPS for fleet base stations with vector processing mechanization
US6405132B1 (en) * 1997-10-22 2002-06-11 Intelligent Technologies International, Inc. Accident avoidance system
US6720920B2 (en) * 1997-10-22 2004-04-13 Intelligent Technologies International Inc. Method and arrangement for communicating between vehicles
US5600329A (en) * 1995-06-30 1997-02-04 Honeywell Inc. Differential satellite positioning system ground station with integrity monitoring
US6002363A (en) 1996-03-08 1999-12-14 Snaptrack, Inc. Combined GPS positioning system and communications system utilizing shared circuitry
US6208290B1 (en) 1996-03-08 2001-03-27 Snaptrack, Inc. GPS receiver utilizing a communication link
US5825327A (en) 1996-03-08 1998-10-20 Snaptrack, Inc. GPS receivers and garments containing GPS receivers and methods for using these GPS receivers
US5831574A (en) 1996-03-08 1998-11-03 Snaptrack, Inc. Method and apparatus for determining the location of an object which may have an obstructed view of the sky
US5841396A (en) 1996-03-08 1998-11-24 Snaptrack, Inc. GPS receiver utilizing a communication link
US5663734A (en) 1995-10-09 1997-09-02 Precision Tracking, Inc. GPS receiver and method for processing GPS signals
WO1997014055A1 (en) 1995-10-09 1997-04-17 Snaptrack, Inc. Method and apparatus for determining the location of an object which may have an obstructed view of the sky
US5884214A (en) 1996-09-06 1999-03-16 Snaptrack, Inc. GPS receiver and method for processing GPS signals
US5812932A (en) * 1995-11-17 1998-09-22 Globalstar L.P. Mobile satellite user information request system and methods
US5945944A (en) * 1996-03-08 1999-08-31 Snaptrack, Inc. Method and apparatus for determining time for GPS receivers
US6133874A (en) * 1996-03-08 2000-10-17 Snaptrack, Inc. Method and apparatus for acquiring satellite positioning system signals
US5961603A (en) * 1996-04-10 1999-10-05 Worldgate Communications, Inc. Access system and method for providing interactive access to an information source through a networked distribution system
US6160988A (en) * 1996-05-30 2000-12-12 Electronic Data Systems Corporation System and method for managing hardware to control transmission and reception of video broadcasts
EP0823823A3 (en) * 1996-08-07 2001-02-14 Matsushita Electric Industrial Co., Ltd. Digital broadcasting system
US6202023B1 (en) * 1996-08-22 2001-03-13 Go2 Systems, Inc. Internet based geographic location referencing system and method
US6185427B1 (en) 1996-09-06 2001-02-06 Snaptrack, Inc. Distributed satellite position system processing and application network
US5862495A (en) * 1996-09-18 1999-01-19 Lockheed Martin Corp. Real time position correction to ground generated spacecraft ephemeris
US5966658A (en) * 1996-09-26 1999-10-12 Highwaymaster Communications, Inc. Automated selection of a communication path
US5995043A (en) * 1996-12-06 1999-11-30 The Boeing Company Aircraft satellite navigation precision-approach system including CDMA datalink
US6377209B1 (en) * 1997-02-03 2002-04-23 Snaptrack, Inc. Method and apparatus for satellite positioning system (SPS) time measurement
US5812087A (en) 1997-02-03 1998-09-22 Snaptrack, Inc. Method and apparatus for satellite positioning system based time measurement
US6411254B1 (en) 1997-04-15 2002-06-25 Snaptrack, Inc. Satellite positioning reference system and method
US6215441B1 (en) * 1997-04-15 2001-04-10 Snaptrack, Inc. Satellite positioning reference system and method
JPH10300835A (ja) * 1997-04-25 1998-11-13 Lockheed Martin Corp Ｇｐｓ衛星システムを利用したセルラー電話の迅速かつ正確な地理的位置の特定
US6147598A (en) * 1997-07-03 2000-11-14 Trimble Navigation Limited Vehicle theft system including a handheld computing device
US6101178A (en) * 1997-07-10 2000-08-08 Ksi Inc. Pseudolite-augmented GPS for locating wireless telephones
US5940026A (en) * 1997-07-21 1999-08-17 Rockwell Science Center, Inc. Azimuth determination for GPS/INS systems via GPS null steering antenna
US6324473B1 (en) * 1997-08-04 2001-11-27 Trimble Navigation Limited Method and apparatus for collecting, processing and distributing differential global positioning system information using the internet
US5886665A (en) * 1997-08-07 1999-03-23 Rockwell International GNSS local constellation/acquisition aiding system
US6070078A (en) 1997-10-15 2000-05-30 Ericsson Inc. Reduced global positioning system receiver code shift search space for a cellular telephone system
US6160545A (en) * 1997-10-24 2000-12-12 General Instrument Corporation Multi-regional interactive program guide for television
US6894994B1 (en) * 1997-11-03 2005-05-17 Qualcomm Incorporated High data rate wireless packet data communications system
US6084544A (en) 1997-12-18 2000-07-04 Ericsson Inc. Method for determining the location of a GPS receiver using an estimated reference time
US6075987A (en) * 1998-02-27 2000-06-13 Ericsson Inc. Stand alone global positioning system (GPS) and method with high sensitivity
US5977909A (en) * 1998-03-13 1999-11-02 General Electric Company Method and apparatus for locating an object using reduced number of GPS satellite signals or with improved accuracy
US6081229A (en) * 1998-03-17 2000-06-27 Qualcomm Incorporated System and method for determining the position of a wireless CDMA transceiver
US6067484A (en) * 1998-03-23 2000-05-23 Airsys Atm, Inc. Differential GPS landing system
US6266584B1 (en) * 1998-03-31 2001-07-24 Space Systems/Loral, Inc. Robust autonomous GPS time reference for space application
US5999124A (en) 1998-04-22 1999-12-07 Snaptrack, Inc, Satellite positioning system augmentation with wireless communication signals
AU4181199A (en) 1998-04-28 1999-11-16 Snaptrack, Inc. Method and apparatus for providing location-based information via a computer network
US6061018A (en) 1998-05-05 2000-05-09 Snaptrack, Inc. Method and system for using altitude information in a satellite positioning system
US6133873A (en) * 1998-06-03 2000-10-17 Krasner; Norman F. Method and apparatus for adaptively processing GPS signals in a GPS receiver
US6636740B1 (en) * 1998-06-16 2003-10-21 Ericsson Inc. Apparatus and methods for position computation based on broadcast initialization data
US6032108A (en) * 1998-07-08 2000-02-29 Seiple; Ronald Sports performance computer system and method
US6188351B1 (en) * 1998-08-13 2001-02-13 Ericsson Inc. Method for improving signal acquistion in a global positioning system receiver
US6204808B1 (en) * 1998-08-13 2001-03-20 Ericsson Inc. Method and system for aiding GPS receivers via a cellular or PCS network
US6336076B1 (en) * 1998-08-24 2002-01-01 Rockwell Collins, Inc. Long range GNSS ephemeris data transfer method and apparatus using the same
US6747983B1 (en) * 1998-10-02 2004-06-08 Thomson Licensing S.A. Transport packet rate conversion
US6538600B1 (en) 1998-10-16 2003-03-25 Lucent Technologies Inc. Wireless assisted GPS using a reference location
US6510156B1 (en) * 1998-12-07 2003-01-21 Cisco Technology, Inc. Method and apparatus for data stream optimization
WO2000034800A1 (en) * 1998-12-08 2000-06-15 Ericsson Inc. Provisioning of gps assistance data in a wcdma network
US7215967B1 (en) * 1998-12-22 2007-05-08 Telefonaktiebolaget Lm Ericsson (Publ) System and method for fast cold start of a GPS receiver in a telecommunications environment
US6985454B1 (en) * 1999-01-26 2006-01-10 Globalstar L.P. ISP system using non-geosynchronous orbit satellites
GB2347035B (en) * 1999-02-16 2003-10-08 Symmetricom Inc Positioning system
US6300899B1 (en) * 1999-02-19 2001-10-09 Thomas M. King Fixed site data-aided GPS signal acquisition method and system
US6121923A (en) * 1999-02-19 2000-09-19 Motorola, Inc. Fixed site and satellite data-aided GPS signal acquisition method and system
US6393291B1 (en) * 1999-03-25 2002-05-21 Rockwell Collins, Inc. Method and apparatus for deriving a high rate output in a GPS system
US6408178B1 (en) * 1999-03-29 2002-06-18 Ericsson Inc. Systems and methods for resolving GPS pseudo-range ambiguity
US6519617B1 (en) * 1999-04-08 2003-02-11 International Business Machines Corporation Automated creation of an XML dialect and dynamic generation of a corresponding DTD
US6411892B1 (en) * 2000-07-13 2002-06-25 Global Locate, Inc. Method and apparatus for locating mobile receivers using a wide area reference network for propagating ephemeris
US6453237B1 (en) * 1999-04-23 2002-09-17 Global Locate, Inc. Method and apparatus for locating and providing services to mobile devices
US6606346B2 (en) * 2001-05-18 2003-08-12 Global Locate, Inc. Method and apparatus for computing signal correlation
US6091959A (en) * 1999-06-02 2000-07-18 Motorola, Inc. Method and apparatus in a two-way wireless communication system for location-based message transmission
US6243648B1 (en) * 1999-07-12 2001-06-05 Eagle Eye, Inc. Fast acquisition position reporting system
US6560536B1 (en) * 1999-07-12 2003-05-06 Eagle-Eye, Inc. System and method for rapid telepositioning
US6446005B1 (en) * 1999-08-13 2002-09-03 Prolink, Inc. Magnetic wheel sensor for vehicle navigation system
US6542743B1 (en) * 1999-08-31 2003-04-01 Qualcomm, Incorporated Method and apparatus for reducing pilot search times utilizing mobile station location information
JP3243236B2 (ja) * 1999-09-24 2002-01-07 松下電器産業株式会社 位置データ間引き装置
US6313787B1 (en) * 1999-11-12 2001-11-06 Motorola, Inc. Method and apparatus for assisted GPS protocol
US6343317B1 (en) * 1999-12-29 2002-01-29 Harry A. Glorikian Internet system for connecting client-travelers with geographically-associated data
US6665726B1 (en) * 2000-01-06 2003-12-16 Akamai Technologies, Inc. Method and system for fault tolerant media streaming over the internet
US6295023B1 (en) * 2000-01-21 2001-09-25 Ericsson Inc. Methods, mobile stations and systems for acquiring global positioning system timing information
US6603977B1 (en) * 2000-02-04 2003-08-05 Sbc Properties, Lp Location information system for a wireless communication device and method therefor
WO2001059601A1 (en) * 2000-02-11 2001-08-16 Grounds Thomas L Device and method for transmitting vehicle position
US6888879B1 (en) * 2000-02-24 2005-05-03 Trimble Navigation Limited Method and apparatus for fast acquisition and low SNR tracking in satellite positioning system receivers
US6603978B1 (en) * 2000-03-24 2003-08-05 Ericsson Inc. Accurate GPS time estimate based on information from a wireless communications system
TW494060B (en) * 2000-04-14 2002-07-11 John T S Lin Molding method of carbon fiber layer
US6615186B1 (en) * 2000-04-24 2003-09-02 Usa Technologies, Inc. Communicating interactive digital content between vehicles and internet based data processing resources for the purpose of transacting e-commerce or conducting e-business
US20020031103A1 (en) * 2000-05-02 2002-03-14 Globalstar L.P. User terminal employing quality of service path determination and bandwidth saving mode for a satellite ISP system using non-geosynchronous orbit satellites
US6922546B1 (en) * 2000-05-03 2005-07-26 Lucent Technologies Inc. GPS signal acquisition based on frequency-domain and time-domain processing
US6775802B2 (en) 2000-08-08 2004-08-10 Qualcomm Incorporated Method, apparatus, and system for signal prediction
US6542820B2 (en) * 2001-06-06 2003-04-01 Global Locate, Inc. Method and apparatus for generating and distributing satellite tracking information
US6937187B2 (en) * 2000-11-17 2005-08-30 Global Locate, Inc. Method and apparatus for forming a dynamic model to locate position of a satellite receiver
US6417801B1 (en) * 2000-11-17 2002-07-09 Global Locate, Inc. Method and apparatus for time-free processing of GPS signals
US6560534B2 (en) * 2001-06-06 2003-05-06 Global Locate, Inc. Method and apparatus for distributing satellite tracking information
US6799116B2 (en) 2000-12-15 2004-09-28 Trimble Navigation Limited GPS correction methods, apparatus and signals
US6433735B1 (en) * 2000-12-26 2002-08-13 Telefonaktiebolaget (Lme) Mobile terminal and system and method for determining the geographic location of a mobile terminal
US7031875B2 (en) * 2001-01-24 2006-04-18 Geo Vector Corporation Pointing systems for addressing objects
US6714791B2 (en) * 2001-02-23 2004-03-30 Danger, Inc. System, apparatus and method for location-based instant messaging
US6473030B1 (en) * 2001-02-28 2002-10-29 Seiko Epson Corporation Infrastructure-aiding for satellite navigation receiver and method
US6462707B1 (en) * 2001-03-22 2002-10-08 Lockheed Martin Corporation Satellite position monitor
US6606560B1 (en) * 2001-03-22 2003-08-12 Lockheed Martin Corporation Beacon for satellite registration
GB2373940A (en) * 2001-03-27 2002-10-02 Secr Defence Locating the source of an unknown signal
US7215648B2 (en) * 2001-05-11 2007-05-08 Varitek Industries, Inc. Apparatus and method for efficient live webcasting and network connectivity
JP2003021672A (ja) * 2001-07-06 2003-01-24 Matsushita Electric Ind Co Ltd 航法衛星システム受信機
US6515620B1 (en) * 2001-07-18 2003-02-04 Fast Location.Net, Llc Method and system for processing positioning signals in a geometric mode
US6628234B2 (en) * 2001-07-18 2003-09-30 Fast Location.Net, Llc Method and system for processing positioning signals in a stand-alone mode
US7149499B1 (en) * 2001-07-18 2006-12-12 Cisco Technology, Inc. System for dynamically tracking the location of network devices to enable emergency services
US6651000B2 (en) 2001-07-25 2003-11-18 Global Locate, Inc. Method and apparatus for generating and distributing satellite tracking information in a compact format
JP3791369B2 (ja) * 2001-08-30 2006-06-28 株式会社デンソー 無線通信端末、コンピュータプログラムおよび検索情報の送信方法
JP3575451B2 (ja) * 2001-09-07 2004-10-13 株式会社デンソー 移動通信端末装置およびそのプログラム
JP2003167043A (ja) * 2001-11-29 2003-06-13 Matsushita Electric Ind Co Ltd 衛星信号受信機
US6697736B2 (en) * 2002-02-06 2004-02-24 American Gnc Corporation Positioning and navigation method and system thereof
US20030212821A1 (en) 2002-05-13 2003-11-13 Kiyon, Inc. System and method for routing packets in a wired or wireless network
US7349390B2 (en) 2002-05-28 2008-03-25 Ntt Docomo, Inc. Packet transmission method and communication system
US7496082B2 (en) * 2002-07-15 2009-02-24 Lee Howard K Dedicated device for automatically accessing wireless internet network and supplying wireless packet data-based indoor-capable GPS locations
JP4255441B2 (ja) * 2002-08-15 2009-04-15 サーフ テクノロジー インコーポレイテッド Ｇｐｓシステム用インターフェース
US7158080B2 (en) * 2002-10-02 2007-01-02 Global Locate, Inc. Method and apparatus for using long term satellite tracking data in a remote receiver
US7395045B2 (en) * 2002-11-26 2008-07-01 General Motors Corporation Method and system for call routing for 911 network connectivity
JP4170798B2 (ja) * 2003-03-07 2008-10-22 株式会社日立産機システム Ｇｐｓ受信端末及びｇｐｓ基準局並びにコンピュータ・ソフトウエア
US7945387B2 (en) * 2003-03-19 2011-05-17 Broadcom Corporation Method and apparatus for distribution of satellite navigation data
US7786931B2 (en) * 2003-08-01 2010-08-31 Alcatel Determining mobile terminal positions using assistance data transmitted on request
JP2006284452A (ja) * 2005-04-01 2006-10-19 Mazeran Systems Japan Kk 衛星測位方法
EP2267472A1 (en) * 2006-04-24 2010-12-29 Qualcomm Incorporated Ephemeris extension systems and methods for GNSS applications
US7436357B2 (en) * 2006-11-20 2008-10-14 Centrality Communications, Inc. Background ephemeris download in navigational receivers

Also Published As

Publication number Publication date
US20130234888A1 (en) 2013-09-12
US20090267833A1 (en) 2009-10-29
EP1305735A1 (en) 2003-05-02
WO2002006987A1 (en) 2002-01-24
US20030236620A1 (en) 2003-12-25
CN1465015A (zh) 2003-12-31
US6411892B1 (en) 2002-06-25
CN100587514C (zh) 2010-02-03
US6704651B2 (en) 2004-03-09
CN1199053C (zh) 2005-04-27
JP2004504612A (ja) 2004-02-12
US20020105459A1 (en) 2002-08-08
US20020032526A1 (en) 2002-03-14
US20020032527A1 (en) 2002-03-14
US6587789B2 (en) 2003-07-01
US8930137B2 (en) 2015-01-06
US6813560B2 (en) 2004-11-02
US20020175856A1 (en) 2002-11-28
US20030176969A1 (en) 2003-09-18
US9599720B2 (en) 2017-03-21
US20060271293A1 (en) 2006-11-30
EP1305735A4 (en) 2009-08-12
CN1680823A (zh) 2005-10-12
US6703972B2 (en) 2004-03-09

Similar Documents

Publication Publication Date Title
AU2001276873A1 (en) Method and apparatus for locating mobile receivers using a wide area reference network for propagating ephemeris
AU1246201A (en) Method and apparatus for determining approximate network distances using reference locations
AU2002249899A1 (en) Method and apparatus for locating mobile units tracking another
AU4052900A (en) Method and apparatus for determining the location of a remote station in a cdma communication network
AU4660000A (en) Method and apparatus for locating and providing services to mobile devices
AU2000268162A1 (en) A method and apparatus for concept-based searching across a network
AU1456201A (en) An apparatus and method for simple wide-area network navigation
AU2001285630A1 (en) Methods and apparatus for supporting mobility within a radio access network
AU1192599A (en) Method and apparatus for performing beam searching in a radio communication system
AU2002340366A1 (en) Method and apparatus for receiving a global positioning system signal using a cellular acquisition signal
AU2001232936A1 (en) Network portal apparatus and method
GB0000838D0 (en) Method and apparatus for determining a geographical location of a mobile communication unit
AU6940200A (en) Method and apparatus for locating mobile tags
AU2001262987A1 (en) System and method for locating and tracking mobile telephone devices via the internet
AU2002320085A1 (en) A method and apparatus for improving received signal quality in an impulse radio system
AU2001279045A1 (en) Method and apparatus for multipath signal compensation in spread-spectrum communications systems
AU3116600A (en) Method and apparatus for configuring mobile telephones
AU2001292171A1 (en) Method and apparatus for providing a remote keypad for a mobile station
AU6520900A (en) Method and apparatus for tracking user profile and habits on a global network
AU3114000A (en) Method for locating a mobile station using previous network location data
AU2200399A (en) Method and apparatus for locating a mobile unit
AU6214899A (en) Apparatus and method for callback in a mobile communication system
AU2001278183A1 (en) Method and apparatus for tone tracking in wireless optical communication systems
IL151350A0 (en) Method and apparatus for a mobile station application to identify specified events
AU7385300A (en) A method and apparatus for providing navigational services in a wireless communication device