IL139459A0 - Method and apparatus for signal processing in a satellite positioning system - Google Patents

Method and apparatus for signal processing in a satellite positioning system

Info

Publication number
IL139459A0
IL139459A0 IL13945999A IL13945999A IL139459A0 IL 139459 A0 IL139459 A0 IL 139459A0 IL 13945999 A IL13945999 A IL 13945999A IL 13945999 A IL13945999 A IL 13945999A IL 139459 A0 IL139459 A0 IL 139459A0
Authority
IL
Israel
Prior art keywords
signal samples
positioning system
satellite positioning
signal processing
combination
Prior art date
Application number
IL13945999A
Other languages
English (en)
Original Assignee
Snaptrack 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
Application filed by Snaptrack Inc filed Critical Snaptrack Inc
Publication of IL139459A0 publication Critical patent/IL139459A0/xx

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
    • G01S19/35—Constructional details or hardware or software details of the signal processing chain
    • G01S19/37—Hardware or software details of the signal processing chain
    • 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
    • G01S19/246—Acquisition or tracking or demodulation of signals transmitted by the system involving long acquisition integration times, extended snapshots of signals or methods specifically directed towards weak signal acquisition
    • 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
    • G01S19/243—Demodulation of navigation message
    • 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
    • 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
    • G01S2205/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S2205/001—Transmission of position information to remote stations
    • G01S2205/008—Transmission of position information to remote stations using a mobile telephone network
    • 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
    • G01S5/0009—Transmission of position information to remote stations
    • G01S5/0018—Transmission from mobile station to base station

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Navigation (AREA)
IL13945999A 1998-05-06 1999-04-13 Method and apparatus for signal processing in a satellite positioning system IL139459A0 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/074,021 US6816710B2 (en) 1998-05-06 1998-05-06 Method and apparatus for signal processing in a satellite positioning system
PCT/US1999/008084 WO1999057573A1 (en) 1998-05-06 1999-04-13 Method and apparatus for signal processing in a satellite positioning system

Publications (1)

Publication Number Publication Date
IL139459A0 true IL139459A0 (en) 2001-11-25

Family

ID=22117211

Family Applications (1)

Application Number Title Priority Date Filing Date
IL13945999A IL139459A0 (en) 1998-05-06 1999-04-13 Method and apparatus for signal processing in a satellite positioning system

Country Status (14)

Country Link
US (3) US6816710B2 (xx)
EP (1) EP1078275B1 (xx)
JP (1) JP5068900B2 (xx)
KR (2) KR100682777B1 (xx)
CN (2) CN1991403B (xx)
AT (1) ATE408156T1 (xx)
AU (1) AU4405999A (xx)
BR (1) BRPI9910228B1 (xx)
CA (1) CA2331721C (xx)
DE (1) DE69939534D1 (xx)
HK (1) HK1037730A1 (xx)
IL (1) IL139459A0 (xx)
MX (1) MXPA00010883A (xx)
WO (1) WO1999057573A1 (xx)

Families Citing this family (111)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10361802B1 (en) 1999-02-01 2019-07-23 Blanding Hovenweep, Llc Adaptive pattern recognition based control system and method
US8352400B2 (en) 1991-12-23 2013-01-08 Hoffberg Steven M Adaptive pattern recognition based controller apparatus and method and human-factored interface therefore
US6816710B2 (en) * 1998-05-06 2004-11-09 Snaptrack, Inc. Method and apparatus for signal processing in a satellite positioning system
US7966078B2 (en) * 1999-02-01 2011-06-21 Steven Hoffberg Network media appliance system and method
DE19956094C2 (de) * 1999-11-22 2002-08-29 Siemens Ag Verfahren zum Betrieb eines GSM-Mobilfunksystems
US6356841B1 (en) 1999-12-29 2002-03-12 Bellsouth Intellectual Property Corporation G.P.S. management system
US6295023B1 (en) * 2000-01-21 2001-09-25 Ericsson Inc. Methods, mobile stations and systems for acquiring global positioning system timing information
FI108171B (fi) * 2000-03-24 2001-11-30 Nokia Mobile Phones Ltd Menetelmä sijainnin määrityksen suorittamiseksi ja elektroniikkalaite
US6775802B2 (en) * 2000-08-08 2004-08-10 Qualcomm Incorporated Method, apparatus, and system for signal prediction
EP1184674A1 (en) * 2000-08-10 2002-03-06 Lucent Technologies Inc. A method of aligning predicted navigation information
US6611756B1 (en) * 2000-08-10 2003-08-26 Lucent Technologies Inc. Method for predicting navigation information in a global positioning system
US6785543B2 (en) 2001-09-14 2004-08-31 Mobile Satellite Ventures, Lp Filters for combined radiotelephone/GPS terminals
US8126889B2 (en) 2002-03-28 2012-02-28 Telecommunication Systems, Inc. Location fidelity adjustment based on mobile subscriber privacy profile
US9154906B2 (en) 2002-03-28 2015-10-06 Telecommunication Systems, Inc. Area watcher for wireless network
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
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
CN1633605A (zh) * 2002-06-06 2005-06-29 松下电器产业株式会社 Gps接收机
US6882936B2 (en) * 2003-03-03 2005-04-19 Lockheed Martin Corporation Integrated GPS/interference location system with anti-jam processor
US7493080B2 (en) * 2003-09-22 2009-02-17 Cornell Research Foundation, Inc. Methods and systems for cooperative transmission in multi-hop ad-hoc networks
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
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)
US7924947B2 (en) * 2004-02-06 2011-04-12 Broadcom Corporation Method and apparatus for decoding satellite navigation data from a satellite positioning system
JP4234039B2 (ja) * 2004-03-05 2009-03-04 アルパイン株式会社 衛星測位装置及びナビゲーション装置
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
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
WO2006043123A1 (en) * 2004-10-21 2006-04-27 Nokia Corporation Satellite based positioning
KR101014050B1 (ko) 2004-12-23 2011-02-14 현대자동차주식회사 약 신호 환경에서 효율적인 차량 항법 시스템용 ｇｐｓ수신기의 초기동기 방법
DE602004010295T2 (de) * 2004-12-28 2008-10-02 Alcatel Lucent GPS/OFDM Terminal mit gemeinsamem FFT/IFFT Prozessor
US7353034B2 (en) 2005-04-04 2008-04-01 X One, Inc. Location sharing and tracking using mobile phones or other wireless devices
EP2709270B1 (en) * 2005-05-10 2018-11-14 Qualcomm Incorporated Using soft bit decisions to improve DPSK demodulation of SPS data
US8660573B2 (en) 2005-07-19 2014-02-25 Telecommunications Systems, Inc. Location service requests throttling
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
JP4274166B2 (ja) * 2005-10-06 2009-06-03 セイコーエプソン株式会社 測位装置、測位方法及びプログラム
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
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)
US9167553B2 (en) 2006-03-01 2015-10-20 Telecommunication Systems, Inc. GeoNexus proximity detector network
US7899450B2 (en) 2006-03-01 2011-03-01 Telecommunication Systems, Inc. Cellular augmented radar/laser detection using local mobile network within cellular network
US7471236B1 (en) 2006-03-01 2008-12-30 Telecommunication Systems, Inc. Cellular augmented radar/laser detector
US8208605B2 (en) 2006-05-04 2012-06-26 Telecommunication Systems, Inc. Extended efficient usage of emergency services keys
CN1862284A (zh) * 2006-05-31 2006-11-15 北京东方联星科技有限公司 导航卫星信号处理系统
US7847730B2 (en) * 2006-09-27 2010-12-07 Bae Systems Information And Electronic Systems Integration, Inc. Software defined navigation signal generator
US7966013B2 (en) 2006-11-03 2011-06-21 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)
CN101247551B (zh) 2007-02-12 2011-09-21 华为技术有限公司 一种传输业务的方法及装置
US8050386B2 (en) 2007-02-12 2011-11-01 Telecommunication Systems, Inc. Mobile automatic location identification (ALI) for first responders
WO2009038726A1 (en) 2007-09-17 2009-03-26 Telecommunication Systems, Inc. Emergency 911 data messaging
US7495607B1 (en) 2007-11-28 2009-02-24 Topcon Gps, Llc Method and apparatus for adaptive processing of signals received from satellite navigation systems
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
JP5374703B2 (ja) * 2007-11-30 2013-12-25 測位衛星技術株式会社 位置情報提供システムおよび屋内送信機
KR101065587B1 (ko) * 2008-08-19 2011-09-19 주식회사 코아로직 위성 추적 방법 및 장치
US8068587B2 (en) 2008-08-22 2011-11-29 Telecommunication Systems, Inc. Nationwide table routing of voice over internet protocol (VOIP) emergency calls
US8525681B2 (en) 2008-10-14 2013-09-03 Telecommunication Systems, Inc. Location based proximity alert
US8892128B2 (en) 2008-10-14 2014-11-18 Telecommunication Systems, Inc. Location based geo-reminders
US8151170B2 (en) * 2008-12-02 2012-04-03 Sirf Technology, Inc. System and method for enhanced data decode in a GPS receiver
CN101770017B (zh) * 2008-12-31 2011-11-30 华晶科技股份有限公司 利用相位角变化译码导航数据的电子装置及其方法
US8433283B2 (en) 2009-01-27 2013-04-30 Ymax Communications Corp. Computer-related devices and techniques for facilitating an emergency call via a cellular or data network using remote communication device identifying information
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
JP5480906B2 (ja) * 2009-08-31 2014-04-23 古野電気株式会社 航法メッセージの取得方法、サブフレーム作成方法、航法メッセージ取得プログラム、ｇｎｓｓ受信装置、および移動端末
JP2011052987A (ja) * 2009-08-31 2011-03-17 Casio Computer Co Ltd 測位データ受信機、エラー訂正装置およびプログラム
US8336664B2 (en) 2010-07-09 2012-12-25 Telecommunication Systems, Inc. Telematics basic mobile device safety interlock
WO2012005769A1 (en) 2010-07-09 2012-01-12 Telecommunication Systems, Inc. Location privacy selector
WO2012081275A1 (ja) * 2010-12-13 2012-06-21 古野電気株式会社 サイクルスリップ検出装置、サイクルスリップ検出のための集積回路、同集積回路を備えるｇｎｓｓ受信装置、同ｇｎｓｓ受信装置を備える情報端末機器、サイクルスリップ検出方法及びプログラム
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 (en) 2010-12-22 2012-06-28 Telecommunication Systems, Inc. Area event handling when current network does not cover target area
US8611468B2 (en) * 2010-12-29 2013-12-17 Stmicroelectronics S.R.L. Demodulator of digital modulated signal, receiver apparatus employing the demodulator, and demodulation method
US8615056B2 (en) * 2010-12-29 2013-12-24 Stmicroelectronics S.R.L. Differential phase shift keying demodulator, receiver apparatus employing the demodulator, and demodulation method
WO2012141762A1 (en) 2011-02-25 2012-10-18 Telecommunication Systems, Inc. Mobile internet protocol (ip) location
US8855241B2 (en) 2011-03-22 2014-10-07 Mediatek Inc. Apparatus for decoding global navigation satellite systems navigation data and associated method
US20120270564A1 (en) * 2011-04-19 2012-10-25 Qualcomm Incorporated Methods and apparatuses for use in a mobile device to detect signaling apertures within an environment
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
US20130069824A1 (en) * 2011-09-21 2013-03-21 Broadcom Corporation Global Navigation System Signal Tracking and Decoding
US8831556B2 (en) 2011-09-30 2014-09-09 Telecommunication Systems, Inc. Unique global identifier header for minimizing prank emergency 911 calls
JP5942402B2 (ja) * 2011-12-02 2016-06-29 セイコーエプソン株式会社 受信方法及び受信装置
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
JP5880143B2 (ja) * 2012-03-02 2016-03-08 セイコーエプソン株式会社 受信方法
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
CN103166676B (zh) * 2012-04-23 2015-04-22 中国石油天然气股份有限公司 实现工频通信上行信号同时多路传输的方法
FR2993369B1 (fr) * 2012-07-11 2017-10-13 Centre Nat D'etudes Spatiales Signal radio gnss pour une synchronisation amelioree
US9313638B2 (en) 2012-08-15 2016-04-12 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
US9456301B2 (en) 2012-12-11 2016-09-27 Telecommunication Systems, Inc. Efficient prisoner tracking
JP2014127725A (ja) * 2012-12-25 2014-07-07 Seiko Epson Corp 復調方法、復調装置及び電子機器
US8983047B2 (en) 2013-03-20 2015-03-17 Telecommunication Systems, Inc. Index of suspicion determination for communications request
KR101449983B1 (ko) * 2013-07-18 2014-10-15 한국 천문 연구원 Ｖｃｓ에서 상관 결과의 왜곡을 방지하기 위한 재양자화 방법
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
US9231690B2 (en) * 2013-09-17 2016-01-05 Qualcomm Incorporated Signal tracking and decoding in GNSS
US9479897B2 (en) 2013-10-03 2016-10-25 Telecommunication Systems, Inc. SUPL-WiFi access point controller location based services for WiFi enabled mobile devices
US10228469B2 (en) * 2014-02-24 2019-03-12 Sony Semiconductor Solutions Corporation Reception device
EP3400460A4 (en) 2016-01-08 2019-10-23 Commscope Technologies LLC IMPROVING AZIMUTE ACCURACY USING MULTIPLE GNSS ANTENNAS
US10145959B2 (en) * 2016-03-21 2018-12-04 Honeywell International Inc. Weighting algorithm for signal processing
WO2017175294A1 (ja) * 2016-04-05 2017-10-12 三菱電機株式会社 信号受信装置及び信号受信方法
CN110531388A (zh) * 2018-05-24 2019-12-03 比亚迪股份有限公司 卫星定位系统的优化方法、装置、车载终端及存储介质
CN110673173B (zh) * 2019-09-16 2021-08-10 西安空间无线电技术研究所 一种高灵敏度导航接收机tow解析方法
WO2023187904A1 (ja) * 2022-03-28 2023-10-05 日本電気株式会社 データ整形装置、イベント検知システム、データ整形方法及び非一時的なコンピュータ可読媒体

Family Cites Families (67)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4463357A (en) * 1981-11-17 1984-07-31 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Method and apparatus for calibrating the ionosphere and application to surveillance of geophysical events
US5303286A (en) * 1991-03-29 1994-04-12 Space Systems/Loral, Inc. Wireless telephone/satellite roaming system
US4744083A (en) * 1984-09-14 1988-05-10 Geostar Corporation Satellite-based position determining and message transfer system with monitoring of link quality
US5223843A (en) 1988-01-05 1993-06-29 Rockwell International Corporation High performance global positioning system receiver means and method
GB8801008D0 (en) * 1988-01-18 1988-02-17 British Aerospace Acquisition system for multiple access optical communication system
JPH0269032A (ja) * 1988-09-02 1990-03-08 Clarion Co Ltd スペクトラム拡散受信装置
US4972431A (en) * 1989-09-25 1990-11-20 Magnavox Government And Industrial Electronics Company P-code-aided global positioning system receiver
GB2240240A (en) 1990-01-19 1991-07-24 Philips Electronic Associated Radio receiver for direct sequence spread spectrum signals
JP2900671B2 (ja) 1991-11-29 1999-06-02 ソニー株式会社 Ｇｐｓ受信機
CA2106534A1 (en) 1992-12-07 1994-06-08 Kristine Patricia Maine Intelligent position tracking
US5739785A (en) * 1993-03-04 1998-04-14 Trimble Navigation Limited Location and generation of high accuracy survey control marks using satellites
US5327144A (en) * 1993-05-07 1994-07-05 Associated Rt, Inc. Cellular telephone location system
US5935194A (en) * 1994-02-18 1999-08-10 Trimble Navigation Limited Method for using external constraints to improve the speed and reliability of phase ambiguity resolution in real-time kinematic initialization
US5519620A (en) * 1994-02-18 1996-05-21 Trimble Navigation Limited Centimeter accurate global positioning system receiver for on-the-fly real-time kinematic measurement and control
JP2911363B2 (ja) * 1994-03-04 1999-06-23 トリンブル ナビゲーション リミテッド 衛星利用による高精度高速測量方法及び装置
US5913170A (en) 1994-11-16 1999-06-15 Highwaymaster Communications, Inc. Locating system and method using a mobile communications network
US5640452A (en) * 1995-04-28 1997-06-17 Trimble Navigation Limited Location-sensitive decryption of an encrypted message
US5748651A (en) 1995-05-05 1998-05-05 Trumble Navigation Limited Optimum utilization of pseudorange and range rate corrections by SATPS receiver
US5694417A (en) * 1995-07-31 1997-12-02 Harris Corporation Short burst direct acquisition direct sequence spread spectrum receiver
US5874914A (en) 1995-10-09 1999-02-23 Snaptrack, Inc. GPS receiver utilizing a communication link
US6108317A (en) * 1995-11-01 2000-08-22 Stm Wireless, Inc. Cyclic code phase multiple access for inbound satellite communications
US6133874A (en) * 1996-03-08 2000-10-17 Snaptrack, Inc. Method and apparatus for acquiring satellite positioning system signals
EP0895599B1 (en) 1996-04-25 2002-08-07 Sirf Technology, Inc. Spread spectrum receiver with multi-bit correlator
US5963582A (en) * 1996-05-24 1999-10-05 Leica Geosystems Inc. Mitigation of multipath effects in global positioning system receivers
JP2861957B2 (ja) * 1996-07-31 1999-02-24 トヨタ自動車株式会社 測位システム及びこのシステムに用いられる固定局側装置及び測位装置
JP3893647B2 (ja) * 1996-09-30 2007-03-14 マツダ株式会社 ナビゲーション装置
JP3132399B2 (ja) * 1996-10-02 2001-02-05 株式会社村田製作所 スペクトル拡散通信装置
US6377209B1 (en) * 1997-02-03 2002-04-23 Snaptrack, Inc. Method and apparatus for satellite positioning system (SPS) time measurement
US6215442B1 (en) * 1997-02-03 2001-04-10 Snaptrack, Inc. Method and apparatus for determining time in a satellite positioning system
US5812087A (en) 1997-02-03 1998-09-22 Snaptrack, Inc. Method and apparatus for satellite positioning system based time measurement
US6289041B1 (en) 1997-02-11 2001-09-11 Snaptrack, Inc. Fast Acquisition, high sensitivity GPS receiver
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
JPH11304899A (ja) * 1998-04-17 1999-11-05 Matsushita Electric Ind Co Ltd Ｇｐｓ受信機
US6816710B2 (en) * 1998-05-06 2004-11-09 Snaptrack, Inc. Method and apparatus for signal processing in a satellite positioning system
US6208291B1 (en) * 1998-05-29 2001-03-27 Snaptrack, Inc. Highly parallel GPS correlator system and method
US7545854B1 (en) * 1998-09-01 2009-06-09 Sirf Technology, Inc. Doppler corrected spread spectrum matched filter
US6323805B1 (en) * 1998-09-09 2001-11-27 Qualcomm, Inc. Data boundary aware base station assisted position location
US6363123B1 (en) * 1999-02-23 2002-03-26 Leica Geosystems Inc. Receiver calibration technique for global orbiting navigation satellite system (GLONASS)
US7885314B1 (en) * 2000-05-02 2011-02-08 Kenneth Scott Walley Cancellation system and method for a wireless positioning system
US6466958B1 (en) * 2000-09-12 2002-10-15 Interstate Electronics Corporation, A Division Of L3 Communications Corporation Parallel frequency searching in an acquisition correlator
US6473034B2 (en) * 2000-09-19 2002-10-29 American Gnc Corp. Method and system for anti-jamming simulation
US6538601B2 (en) * 2001-02-27 2003-03-25 Itt Manufacturing Enterprises, Inc. Hybrid system for position determination by a mobile communications terminal
US7995682B2 (en) * 2001-05-18 2011-08-09 Broadcom Corporation Method and apparatus for performing signal processing using historical correlation data
US6952460B1 (en) * 2001-09-26 2005-10-04 L-3 Communications Corporation Efficient space-time adaptive processing (STAP) filter for global positioning system (GPS) receivers
US7170447B2 (en) * 2003-02-14 2007-01-30 Qualcomm Incorporated Method and apparatus for processing navigation data in position determination
US8144810B2 (en) * 2003-02-19 2012-03-27 Csr Technology Inc. Serial radio frequency to baseband interface with programmable clock
US20040189515A1 (en) * 2003-03-31 2004-09-30 Giovanni Vannucci Hybrid satellite based positioning system
WO2004109940A1 (en) * 2003-06-10 2004-12-16 Nokia Corporation Reception of signals in a device comprising a transmitter
CN100373968C (zh) * 2003-06-10 2008-03-05 诺基亚公司 改善干扰条件下的接收机性能
US7525481B2 (en) * 2003-06-10 2009-04-28 Nokia Corporation Performance of a receiver in interfering conditions
US8971913B2 (en) * 2003-06-27 2015-03-03 Qualcomm Incorporated Method and apparatus for wireless network hybrid positioning
GB0320352D0 (en) * 2003-09-01 2003-10-01 Secr Defence Digital modulation waveforms for use in ranging systems
JP3806425B2 (ja) * 2003-12-01 2006-08-09 マゼランシステムズジャパン株式会社 衛星測位方法及び衛星測位システム
US7924947B2 (en) * 2004-02-06 2011-04-12 Broadcom Corporation Method and apparatus for decoding satellite navigation data from a satellite positioning system
US7212155B2 (en) * 2004-05-07 2007-05-01 Navcom Technology, Inc. GPS navigation using successive differences of carrier-phase measurements
US7053826B1 (en) * 2005-02-03 2006-05-30 Eride, Inc. Extended range high sensitivity SPS positioning receiver
US7714779B2 (en) * 2005-10-28 2010-05-11 Broadcom Corporation Method and apparatus for providing a global secure user plane location (SUPL) service
EP2423710A1 (en) * 2006-01-10 2012-02-29 Qualcomm Incorporated Global navigation satellite system
EP1989566B1 (en) * 2006-02-28 2011-06-08 Nokia Corporation Methods and apparatuses for assisted navigation systems
JP2009530622A (ja) * 2006-03-15 2009-08-27 クゥアルコム・インコーポレイテッド 全地球的航法衛星システム
US8149897B2 (en) * 2006-05-26 2012-04-03 Global Locate, Inc. Method and apparatus for performing signal correlation for signals received from satellites in multiple satellite systems
JP4151716B2 (ja) * 2006-07-21 2008-09-17 セイコーエプソン株式会社 測位装置、その制御方法及びプログラム
WO2008016901A2 (en) * 2006-08-01 2008-02-07 Qualcomm Incorporated System and/or method for providing information updates to a location server
JP4172513B2 (ja) * 2006-09-14 2008-10-29 セイコーエプソン株式会社 衛星信号のサーチレンジ更新方法、および測位装置
WO2009079380A2 (en) * 2007-12-14 2009-06-25 Magellan Systems Japan, Inc. Process for sub-microsecond time transfer using weak gps/gnss signals
US8331422B2 (en) * 2008-02-28 2012-12-11 Magellan Systems Japan, Inc. Method and apparatus for acquisition, tracking, and transfer using sub-microsecond time transfer using weak GPS/GNSS signals

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BR9910228A (pt) 2002-01-22
KR20010071215A (ko) 2001-07-28
US20040147228A1 (en) 2004-07-29
CA2331721A1 (en) 1999-11-11
CN1316057A (zh) 2001-10-03
US8078118B2 (en) 2011-12-13
CN1991403A (zh) 2007-07-04
US7650156B2 (en) 2010-01-19
CN1991403B (zh) 2011-06-15
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AU4405999A (en) 1999-11-23
CN100344985C (zh) 2007-10-24
US20040087270A1 (en) 2004-05-06
KR100682777B1 (ko) 2007-02-15
US6816710B2 (en) 2004-11-09
US20100182197A1 (en) 2010-07-22
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BRPI9910228B1 (pt) 2016-10-18
KR100847714B1 (ko) 2008-07-23
JP2002530627A (ja) 2002-09-17
EP1078275B1 (en) 2008-09-10
KR20060090304A (ko) 2006-08-10
EP1078275A1 (en) 2001-02-28
WO1999057573A1 (en) 1999-11-11
ATE408156T1 (de) 2008-09-15
MXPA00010883A (es) 2003-02-10
CA2331721C (en) 2009-10-06
DE69939534D1 (de) 2008-10-23

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