DE69229417T2 - Digitaler Navigationssatellitenempfänger - Google Patents

Digitaler Navigationssatellitenempfänger

Info

Publication number
DE69229417T2
DE69229417T2 DE69229417T DE69229417T DE69229417T2 DE 69229417 T2 DE69229417 T2 DE 69229417T2 DE 69229417 T DE69229417 T DE 69229417T DE 69229417 T DE69229417 T DE 69229417T DE 69229417 T2 DE69229417 T2 DE 69229417T2
Authority
DE
Germany
Prior art keywords
navigation satellite
satellite receiver
digital navigation
digital
receiver
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.)
Expired - Fee Related
Application number
DE69229417T
Other languages
English (en)
Other versions
DE69229417D1 (de
Inventor
John P Volpi
Chyi H Lu
Mitchel B Stiles
Leonard J Lapadula
Hugh L Scott
George W Pawlowski
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.)
Texas Instruments Inc
Original Assignee
Texas Instruments 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 Texas Instruments Inc filed Critical Texas Instruments Inc
Publication of DE69229417D1 publication Critical patent/DE69229417D1/de
Application granted granted Critical
Publication of DE69229417T2 publication Critical patent/DE69229417T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01S19/32—Multimode operation in a single same satellite system, e.g. GPS L1/L2
    • 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
    • G01S19/21—Interference related issues ; Issues related to cross-correlation, spoofing or other methods of denial of service
    • 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
    • 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
DE69229417T 1991-02-28 1992-02-28 Digitaler Navigationssatellitenempfänger Expired - Fee Related DE69229417T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/662,585 US5347284A (en) 1991-02-28 1991-02-28 System and method for a digital navigation satellite receiver

Publications (2)

Publication Number Publication Date
DE69229417D1 DE69229417D1 (de) 1999-07-22
DE69229417T2 true DE69229417T2 (de) 1999-12-30

Family

ID=24658320

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69229417T Expired - Fee Related DE69229417T2 (de) 1991-02-28 1992-02-28 Digitaler Navigationssatellitenempfänger

Country Status (3)

Country Link
US (1) US5347284A (de)
EP (1) EP0501829B1 (de)
DE (1) DE69229417T2 (de)

Families Citing this family (122)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5887020A (en) 1991-05-13 1999-03-23 Omnipoint Corporation Multi-band, multi-mode spread-spectrum communication system
US5694414A (en) 1991-05-13 1997-12-02 Omnipoint Corporation Multi-band, multi-mode spread-spectrum communication system
US5790587A (en) 1991-05-13 1998-08-04 Omnipoint Corporation Multi-band, multi-mode spread-spectrum communication system
US5796772A (en) 1991-05-13 1998-08-18 Omnipoint Corporation Multi-band, multi-mode spread-spectrum communication system
US5815525A (en) 1991-05-13 1998-09-29 Omnipoint Corporation Multi-band, multi-mode spread-spectrum communication system
US5420516A (en) * 1991-09-20 1995-05-30 Audio Precision, Inc. Method and apparatus for fast response and distortion measurement
USRE37408E1 (en) * 1993-05-21 2001-10-16 Trimble Navigation Ltd. Reduction of time to first fix in an SATPS receiver
US5917444A (en) * 1995-05-22 1999-06-29 Trimble Navigation Ltd. Reduction of time to first fix in an SATPS receiver
EP0634666A3 (de) * 1993-06-28 1997-08-20 Victor Company Of Japan Empfänger zum Empfangen und Demodulieren von spreizspektrummodulierten GPS-Signalen.
WO1995012945A1 (en) * 1993-11-01 1995-05-11 Omnipoint Corporation Despreading/demodulating direct sequence spread spectrum signals
JPH07235913A (ja) * 1994-02-23 1995-09-05 Sony Corp スペクトラム拡散通信装置及び信号強度検出装置
US5576715A (en) * 1994-03-07 1996-11-19 Leica, Inc. Method and apparatus for digital processing in a global positioning system receiver
US5627856A (en) 1994-09-09 1997-05-06 Omnipoint Corporation Method and apparatus for receiving and despreading a continuous phase-modulated spread spectrum signal using self-synchronizing correlators
US5757847A (en) 1994-09-09 1998-05-26 Omnipoint Corporation Method and apparatus for decoding a phase encoded signal
US5856998A (en) 1994-09-09 1999-01-05 Omnipoint Corporation Method and apparatus for correlating a continuous phase modulated spread spectrum signal
US5610940A (en) 1994-09-09 1997-03-11 Omnipoint Corporation Method and apparatus for noncoherent reception and correlation of a continous phase modulated signal
US5963586A (en) 1994-09-09 1999-10-05 Omnipoint Corporation Method and apparatus for parallel noncoherent correlation of a spread spectrum signal
ATE451755T1 (de) * 1994-09-09 2009-12-15 Xircom Wireless Inc Entspreizen eines cpm (continuous phase modulation) spreizspektrumsignals
US5629956A (en) 1994-09-09 1997-05-13 Omnipoint Corporation Method and apparatus for reception and noncoherent serial correlation of a continuous phase modulated signal
US5832028A (en) 1994-09-09 1998-11-03 Omnipoint Corporation Method and apparatus for coherent serial correlation of a spread spectrum signal
US5680414A (en) 1994-09-09 1997-10-21 Omnipoint Corporation Synchronization apparatus and method for spread spectrum receiver
US5648982A (en) 1994-09-09 1997-07-15 Omnipoint Corporation Spread spectrum transmitter
US5659574A (en) 1994-09-09 1997-08-19 Omnipoint Corporation Multi-bit correlation of continuous phase modulated signals
US5754584A (en) 1994-09-09 1998-05-19 Omnipoint Corporation Non-coherent spread-spectrum continuous-phase modulation communication system
US5692007A (en) 1994-09-09 1997-11-25 Omnipoint Corporation Method and apparatus for differential phase encoding and decoding in spread-spectrum communication systems with continuous-phase modulation
US5953370A (en) 1994-09-09 1999-09-14 Omnipoint Corporation Apparatus for receiving and correlating a spread spectrum signal
US5754585A (en) 1994-09-09 1998-05-19 Omnipoint Corporation Method and apparatus for serial noncoherent correlation of a spread spectrum signal
US5881100A (en) 1994-09-09 1999-03-09 Omnipoint Corporation Method and apparatus for coherent correlation of a spread spectrum signal
US5754597A (en) * 1994-12-29 1998-05-19 Motorola, Inc. Method and apparatus for routing a digitized RF signal to a plurality of paths
WO1996021292A1 (en) * 1994-12-29 1996-07-11 Motorola Inc. Wideband frequency signal digitizer and method
US5579341A (en) * 1994-12-29 1996-11-26 Motorola, Inc. Multi-channel digital transceiver and method
US5854813A (en) * 1994-12-29 1998-12-29 Motorola, Inc. Multiple access up converter/modulator and method
US5668836A (en) * 1994-12-29 1997-09-16 Motorola, Inc. Split frequency band signal digitizer and method
US5748683A (en) * 1994-12-29 1998-05-05 Motorola, Inc. Multi-channel transceiver having an adaptive antenna array and method
US5602874A (en) * 1994-12-29 1997-02-11 Motorola, Inc. Method and apparatus for reducing quantization noise
US5784403A (en) * 1995-02-03 1998-07-21 Omnipoint Corporation Spread spectrum correlation using saw device
US5832022A (en) * 1995-06-02 1998-11-03 Omnipoint Corporation Method and apparatus for controlling the modulation index of continuous phase modulated (CPM) signals
US6356607B1 (en) 1995-06-05 2002-03-12 Omnipoint Corporation Preamble code structure and detection method and apparatus
US5745484A (en) * 1995-06-05 1998-04-28 Omnipoint Corporation Efficient communication system using time division multiplexing and timing adjustment control
US5678169A (en) * 1995-06-30 1997-10-14 Trimble Navigation Limited Receivers for down-conversion of L1 and L2 carrier frequency transmissions from orbiting global positioning system (GPS) satellites
US5710763A (en) * 1995-07-31 1998-01-20 Motorola, Inc. Filtered fast Fourier transmultiplexer and method
US7092369B2 (en) 1995-11-17 2006-08-15 Symbol Technologies, Inc. Communications network with wireless gateways for mobile terminal access
US5897605A (en) * 1996-03-15 1999-04-27 Sirf Technology, Inc. Spread spectrum receiver with fast signal reacquisition
US6393046B1 (en) 1996-04-25 2002-05-21 Sirf Technology, Inc. Spread spectrum receiver with multi-bit correlator
US6041280A (en) * 1996-03-15 2000-03-21 Sirf Technology, Inc. GPS car navigation system
US6125325A (en) 1996-04-25 2000-09-26 Sirf Technology, Inc. GPS receiver with cross-track hold
US6018704A (en) * 1996-04-25 2000-01-25 Sirf Tech Inc GPS receiver
CN1160578C (zh) * 1996-04-25 2004-08-04 SiRF技术公司 扩频接收方法、导航方法和操作接收机的方法
US6047017A (en) * 1996-04-25 2000-04-04 Cahn; Charles R. Spread spectrum receiver with multi-path cancellation
US6198765B1 (en) 1996-04-25 2001-03-06 Sirf Technologies, Inc. Spread spectrum receiver with multi-path correction
US6917644B2 (en) * 1996-04-25 2005-07-12 Sirf Technology, Inc. Spread spectrum receiver with multi-path correction
EP1209483A3 (de) * 1996-04-25 2003-03-05 Sirf Technology, Inc. Spreizspektrumempfänger mit Tibitkorrelator
EP1271102B1 (de) * 1996-04-25 2012-09-05 SiRF Technology, Inc. Spreizspektrumempfänger mit Multibitkorrelation
US5953636A (en) * 1996-10-30 1999-09-14 Lsi Logic Corporation Single-chip DBS receiver
US6141373A (en) * 1996-11-15 2000-10-31 Omnipoint Corporation Preamble code structure and detection method and apparatus
US5898728A (en) * 1996-11-22 1999-04-27 Trw Inc. Distributed analog-digital frequency dehopping system
US6282228B1 (en) 1997-03-20 2001-08-28 Xircom, Inc. Spread spectrum codes for use in communication
US6249542B1 (en) 1997-03-28 2001-06-19 Sirf Technology, Inc. Multipath processing for GPS receivers
US5983160A (en) * 1997-04-21 1999-11-09 Raytheon Company Increase jamming immunity by optimizing processing gain for GPS/INS systems
US6776792B1 (en) 1997-04-24 2004-08-17 Advanced Cardiovascular Systems Inc. Coated endovascular stent
US6005889A (en) * 1997-07-17 1999-12-21 Nokia Pseudo-random noise detector for signals having a carrier frequency offset
GB9718131D0 (en) * 1997-08-27 1997-10-29 Sertway Limited Communications apparatus
ATE323890T1 (de) * 1997-11-19 2006-05-15 Imec Vzw Verfahren und vorrichtung zum empfang von gps/glonass-signalen
US6366599B1 (en) 1998-03-16 2002-04-02 Trimble Navigation Limited Fast acquisition of spread-spectrum signals by dynamically varying spacing of search bins
US6195328B1 (en) 1998-04-15 2001-02-27 The United States Of America As Represented By The Secretary Of The Air Force Block adjustment of synchronizing signal for phase-coded signal tracking
CN1285921A (zh) * 1998-11-11 2001-02-28 三星电子株式会社 卫星无线电导航系统的信号接收机的数字相关器
EP1052786A1 (de) 1998-11-11 2000-11-15 Samsung Electronics Co., Ltd. Empfänger für pseudo-rausch signale von satellitenfunknavigationssystemen
US6175327B1 (en) 1999-01-16 2001-01-16 Sensors Systems, Inc. GPS receivers with adaptive antenna systems for suppressing interference signals
US6137433A (en) * 1999-03-18 2000-10-24 The United States Of America As Represented By The Secretary Of Commerce Scatterometer with adaptable spatial resolution
US6683923B1 (en) 1999-04-16 2004-01-27 Bd Systems, Inc. Method and apparatus for detecting and tracking coded signals in a noisy background environment
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
WO2001009634A2 (fr) * 1999-06-17 2001-02-08 Samsung Electronics Company, Limited Recepteur gps portatif destine a un systeme de securite personnelle
US6166690A (en) * 1999-07-02 2000-12-26 Sensor Systems, Inc. Adaptive nulling methods for GPS reception in multiple-interference environments
GB9929329D0 (en) * 1999-12-10 2000-02-02 Nokia Mobile Phones Ltd Data processing
US6282231B1 (en) 1999-12-14 2001-08-28 Sirf Technology, Inc. Strong signal cancellation to enhance processing of weak spread spectrum signal
US6389291B1 (en) * 2000-08-14 2002-05-14 Sirf Technology Multi-mode global positioning system for use with wireless networks
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
US6427120B1 (en) * 2000-08-14 2002-07-30 Sirf Technology, Inc. Information transfer in a multi-mode global positioning system used with wireless networks
US7929928B2 (en) 2000-05-18 2011-04-19 Sirf Technology Inc. Frequency phase correction system
US7949362B2 (en) 2000-05-18 2011-05-24 Sirf Technology, Inc. Satellite positioning aided communication system selection
US6462708B1 (en) * 2001-04-05 2002-10-08 Sirf Technology, Inc. GPS-based positioning system for mobile GPS terminals
US7970411B2 (en) 2000-05-18 2011-06-28 Sirf Technology, Inc. Aided location communication system
US7127351B2 (en) * 2000-06-27 2006-10-24 Sirf Technology, Inc. Combined parallel and sequential detection for GPS signal acquisition
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
US7236883B2 (en) 2000-08-14 2007-06-26 Sirf Technology, Inc. Aiding in a satellite positioning system
US7680178B2 (en) 2000-08-24 2010-03-16 Sirf Technology, Inc. Cross-correlation detection and elimination in a receiver
US7197305B2 (en) * 2000-08-24 2007-03-27 Sirf Technology, Inc. Apparatus for reducing auto-correlation or cross-correlation in weak CDMA signals
US6931233B1 (en) 2000-08-31 2005-08-16 Sirf Technology, Inc. GPS RF front end IC with programmable frequency synthesizer for use in wireless phones
US7668554B2 (en) 2001-05-21 2010-02-23 Sirf Technology, Inc. Network system for aided GPS broadcast positioning
US6944422B2 (en) * 2003-04-18 2005-09-13 Motorola, Inc. Method and device for detecting an interference condition
US8138972B2 (en) * 2003-09-02 2012-03-20 Csr Technology Inc. Signal processing system for satellite positioning signals
WO2005047923A2 (en) 2003-09-02 2005-05-26 Sirf Technology, Inc. Signal processing system for satellite positioning signals
WO2008024123A2 (en) 2005-10-28 2008-02-28 Sirf Technology, Inc. Global positioning system receiver timeline management
US7432853B2 (en) * 2003-10-28 2008-10-07 Trimble Navigation Limited Ambiguity estimation of GNSS signals for three or more carriers
US7365680B2 (en) 2004-02-10 2008-04-29 Sirf Technology, Inc. Location services system that reduces auto-correlation or cross-correlation in weak signals
US7333053B2 (en) * 2004-04-29 2008-02-19 Novariant Inc. Signal path system and method for a ranging signal receiver
US7472152B1 (en) 2004-08-02 2008-12-30 The United States Of America As Represented By The Secretary Of The Air Force Accommodating fourier transformation attenuation between transform term frequencies
US7551127B2 (en) * 2005-02-10 2009-06-23 Motorola, Inc. Reconfigurable downconverter for a multi-band positioning receiver
US7250899B2 (en) * 2005-07-05 2007-07-31 Sige Semiconductor (Europe) Limited GPS receiver with improved immunity to collocated transmissions and method therefor
US7729457B2 (en) * 2005-07-25 2010-06-01 Mstar Semiconductor, Inc. Method of weak signal acquisition and associated apparatus
US7630430B2 (en) 2005-07-25 2009-12-08 Mstar Semiconductor, Inc. Method and apparatus for accelerating correlation processing of GPS signal
TWI301546B (en) 2006-06-16 2008-10-01 Via Tech Inc Global position system signal receiver and searching and acquiring method thereof
US8442020B1 (en) * 2006-09-12 2013-05-14 Rockwell Collins, Inc. Phase compensation system and method to correct M-code dual sideband distortion
US7990315B2 (en) * 2006-09-15 2011-08-02 Mediatek Inc. Shared memory device applied to functional stages configured in a receiver system for processing signals from different transmitter systems and method thereof
US8515494B2 (en) * 2007-01-13 2013-08-20 Panasonic Automotive Systems Company Of America, Division Of Panasonic Corporation Of North America Highly configurable radio frequency (RF) module
US8249616B2 (en) * 2007-08-23 2012-08-21 Texas Instruments Incorporated Satellite (GPS) assisted clock apparatus, circuits, systems and processes for cellular terminals on asynchronous networks
US7800536B2 (en) * 2007-10-11 2010-09-21 Mediatek, Inc. Signal acquisition/tracking method and correlator for the same
KR101164749B1 (ko) 2007-11-15 2012-07-12 콸콤 인코포레이티드 Ｇｎｓｓ 수신기와 신호 추적 회로 및 시스템
EP2204914B1 (de) * 2008-12-30 2012-08-29 u-blox AG Verfahren zur Verarbeitung eines aus einem Direktsequenz-Spreizspektrum-Signals abgeleitetem digitalen Signals
DE102010004617A1 (de) * 2010-01-13 2011-07-14 Astrium GmbH, 82024 Verbesserung der Integritätskommunikation in einem Satellitennavigationssystem
US8798566B2 (en) * 2011-03-30 2014-08-05 Texas Instruments Incorporated Rapid autonomous scan in FM or other receivers with parallel search strategy, and circuits, processes and systems
WO2013028443A1 (en) * 2011-08-25 2013-02-28 Bae Systems Information And Electronic Systems Integration Inc. Single receiver gps pointing vector sensing
KR101564828B1 (ko) * 2014-01-20 2015-10-30 한국과학기술원 도플러 주파수가 있는 미약한 대역확산 신호의 초고속 신호 획득 및 추적을 위한 신호 처리 방법 및 그 장치
CN105577230B (zh) * 2015-12-22 2018-01-16 北京理工大学 收敛函数改进的Tong检测判决方法
RU2616970C1 (ru) * 2016-01-27 2017-04-19 Федеральное государственное казенное военное образовательное учреждение высшего образования "Военно-космическая академия имени А.Ф. Можайского" Министерства обороны Российской Федерации Способ обработки сигнала системы ГЛОНАСС с частотным разделением
US10469126B1 (en) * 2018-09-24 2019-11-05 Huawei Technologies Co., Ltd. Code synchronization for analog spread spectrum systems
CN109547129B (zh) * 2018-11-27 2021-09-24 中国科学院光电研究院 一种步进加权Tong检测方法
CN112363188B (zh) * 2020-10-13 2021-06-11 无锡卡尔曼导航技术有限公司 一种多分集卫星导航接收机跟踪环路方法及装置
CN115499036B (zh) * 2022-11-14 2023-02-24 北京航空航天大学合肥创新研究院(北京航空航天大学合肥研究生院) 宽带扩频信号并行捕获方法及存储介质
CN117310763B (zh) * 2023-11-30 2024-02-23 中国人民解放军国防科技大学 伪码调相-线性调频的时分低轨导航信号同步方法与装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3609682A (en) * 1969-07-16 1971-09-28 Gen Electric Augmented digital-error-correcting decoder
US4468793A (en) * 1980-12-01 1984-08-28 Texas Instruments Incorporated Global position system (GPS) multiplexed receiver
US4578678A (en) * 1983-11-14 1986-03-25 The United States Of America As Represented By The United States National Aeronautics And Space Administration High dynamic global positioning system receiver
GB2155268B (en) * 1984-03-01 1987-08-26 Standard Telephones Cables Ltd Digital navstar receiver
US4701934A (en) * 1985-09-03 1987-10-20 Motorola, Inc. Method of doppler searching in a digital GPS receiver
US4821294A (en) * 1987-07-08 1989-04-11 California Institute Of Technology Digital signal processor and processing method for GPS receivers
US5223843A (en) * 1988-01-05 1993-06-29 Rockwell International Corporation High performance global positioning system receiver means and method
US4998071A (en) * 1988-10-25 1991-03-05 Cascade Microtech, Inc. Noise parameter test method and apparatus
US5101416A (en) * 1990-11-28 1992-03-31 Novatel Comunications Ltd. Multi-channel digital receiver for global positioning system

Also Published As

Publication number Publication date
US5347284A (en) 1994-09-13
DE69229417D1 (de) 1999-07-22
EP0501829B1 (de) 1999-06-16
EP0501829A1 (de) 1992-09-02

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8339 Ceased/non-payment of the annual fee