DE69939009D1 - Verfahren und system zum demodulation von gps-signalen - Google Patents

Verfahren und system zum demodulation von gps-signalen

Info

Publication number
DE69939009D1
DE69939009D1 DE69939009T DE69939009T DE69939009D1 DE 69939009 D1 DE69939009 D1 DE 69939009D1 DE 69939009 T DE69939009 T DE 69939009T DE 69939009 T DE69939009 T DE 69939009T DE 69939009 D1 DE69939009 D1 DE 69939009D1
Authority
DE
Germany
Prior art keywords
code
phase
signal
correlation
output
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 - Lifetime
Application number
DE69939009T
Other languages
English (en)
Inventor
Richard K Woo
Jose O Quan
Unjeng Cheng
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.)
NavCorn Technology Inc
Original Assignee
NavCorn Technology 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 NavCorn Technology Inc filed Critical NavCorn Technology Inc
Application granted granted Critical
Publication of DE69939009D1 publication Critical patent/DE69939009D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7073—Synchronisation aspects
    • H04B1/7085—Synchronisation aspects using a code tracking loop, e.g. a delay-locked loop
    • 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
    • G01S19/24—Acquisition or tracking or demodulation of signals transmitted by the system
    • G01S19/29—Acquisition or tracking or demodulation of signals transmitted by the system carrier including Doppler, related
    • 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
    • G01S19/30—Acquisition or tracking or demodulation of signals transmitted by the system code related
    • 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
    • G01S19/35—Constructional details or hardware or software details of the signal processing chain
    • G01S19/37—Hardware or software details of the signal processing chain

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)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE69939009T 1998-11-25 1999-11-22 Verfahren und system zum demodulation von gps-signalen Expired - Lifetime DE69939009D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10990998P 1998-11-25 1998-11-25
US09/437,779 US6125135A (en) 1998-11-25 1999-11-10 System and method for demodulating global positioning system signals
PCT/US1999/027749 WO2000031888A1 (en) 1998-11-25 1999-11-22 System and method for demodulating global positioning system signals

Publications (1)

Publication Number Publication Date
DE69939009D1 true DE69939009D1 (de) 2008-08-14

Family

ID=26807500

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69939009T Expired - Lifetime DE69939009D1 (de) 1998-11-25 1999-11-22 Verfahren und system zum demodulation von gps-signalen

Country Status (7)

Country Link
US (1) US6125135A (de)
EP (1) EP1057278B1 (de)
JP (1) JP4408572B2 (de)
AT (1) ATE400092T1 (de)
DE (1) DE69939009D1 (de)
ES (1) ES2308856T3 (de)
WO (1) WO2000031888A1 (de)

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US6594323B1 (en) * 1999-10-04 2003-07-15 Lucent Technologies Inc. Method and apparatus for integrating isochronous and asynchronous communication in a network
US6744384B2 (en) * 2000-05-17 2004-06-01 Omega Patents, L.L.C. Vehicle tracker having switchable polarity output terminals and related methods
US6931083B1 (en) * 2000-05-26 2005-08-16 Telasic Communications, Inc. Low noise, low distortion, muxable Gilbert mixer signal processing system and method with AGC functionality
US7616705B1 (en) * 2000-07-27 2009-11-10 Sirf Technology Holdings, Inc. Monolithic GPS RF front end integrated circuit
EP1358503A4 (de) * 2001-02-05 2004-05-26 Clark Cohen Kostengünstiges system und verfahren zur durchführung von doppelband-gps-messungen
US6392591B1 (en) * 2001-03-22 2002-05-21 Evermore Technology, Inc. Global positioning system
US7453933B2 (en) * 2001-05-04 2008-11-18 Lucent Technologies Inc. Method of estimating a signal-to-interference+noise ratio (SINR) using data samples
USH2155H1 (en) 2002-01-28 2006-05-02 The United States Of America As Represented By The Secretary Of The Air Force Downconvert and average identification of biphase coded signal carrier
FR2837638B1 (fr) * 2002-03-22 2006-07-14 Thales Sa Procede de traitement de signal en presence d'interferences
US6784830B1 (en) * 2002-04-16 2004-08-31 Integrinautics Corporation Method for processing in dual frequency civilian GPS receiver
US7372892B2 (en) * 2002-04-29 2008-05-13 Interdigital Technology Corporation Simple and robust digital code tracking loop for wireless communication systems
US6681181B2 (en) * 2002-05-20 2004-01-20 Sige Semiconductor Inc. GPS receiver with improved immunity to burst transmissions
US20040087296A1 (en) * 2002-10-25 2004-05-06 Gct Semiconductor, Inc. Radio receiver and method for AM suppression and DC-offset removal
US7194279B2 (en) * 2003-05-23 2007-03-20 Nokia Corporation Adjustment of a phase difference between two signals
US7286624B2 (en) * 2003-07-03 2007-10-23 Navcom Technology Inc. Two-way RF ranging system and method for local positioning
US7720598B2 (en) * 2005-03-31 2010-05-18 Deere & Company System and method for determining a position of a vehicle with compensation for noise or measurement error
US7026992B1 (en) 2005-03-31 2006-04-11 Deere & Company Method for configuring a local positioning system
US7593811B2 (en) * 2005-03-31 2009-09-22 Deere & Company Method and system for following a lead vehicle
US7479922B2 (en) * 2005-03-31 2009-01-20 Deere & Company Method and system for determining the location of a vehicle
US7647177B2 (en) * 2005-03-31 2010-01-12 Deere & Company System and method for determining a position of a vehicle
US7653483B2 (en) * 2005-03-31 2010-01-26 Deere & Company System and method for determining a position of a vehicle
JP4186956B2 (ja) 2005-06-09 2008-11-26 セイコーエプソン株式会社 Ｇｐｓ受信機
US7801255B2 (en) * 2005-07-28 2010-09-21 Itt Manufacturing Enterprises, Inc. Synchronization technique for serial modulated waveforms
US7062381B1 (en) 2005-08-30 2006-06-13 Deere & Company Method and system for determining relative position of mobile vehicles
US7660373B2 (en) * 2005-10-04 2010-02-09 Sirf Technology, Inc. Data demodulation from weak navigational satellite signals
US7761072B2 (en) * 2005-12-14 2010-07-20 Sige Semiconductor (Europe) Limited GPS receiver with improved immunity to burst transmissions
US7912111B2 (en) * 2005-12-29 2011-03-22 Trimble Navigation Ltd Dynamic switching of carrier tracking loops without loss of tracking information
US7864898B2 (en) * 2006-05-17 2011-01-04 Sirf Technology Holdings, Inc. Systems and methods for signal acquistion in navigational satellite signal receivers
GB0615930D0 (en) * 2006-08-10 2006-09-20 Univ Surrey A receiver of binary offset carrier modulated signals
RU2453867C2 (ru) * 2006-10-19 2012-06-20 Датагрид, Инк. Приемник gps (варианты) и способ извлечения амплитуды и псевдодоплеровской фазы сигнала
KR100826376B1 (ko) * 2006-11-24 2008-05-02 삼성전기주식회사 Ｃｄｍａ 수신기의 매핑을 이용한 상관 방법 및 신호 처리방법
GB0701296D0 (en) * 2007-01-24 2007-02-28 Univ Surrey A receiver of multiplexed binary offset carrier (MBOC) modulated signals
US7945428B2 (en) * 2007-03-23 2011-05-17 Beckman Coulter, Inc. Multi-gain adaptive linear processing and gated digital system for use in flow cytometry
JP2010177831A (ja) * 2009-01-28 2010-08-12 Nec Corp チャネル間遅延補正回路及びそれに用いるチャネル間遅延補正方法
WO2010105136A2 (en) 2009-03-13 2010-09-16 Cornell University Spoofing detection for civilian gnss signals
US20110001886A1 (en) * 2009-07-01 2011-01-06 Tien-Ju Tsai Carrier tracking system and method
JP5678609B2 (ja) * 2010-11-26 2015-03-04 セイコーエプソン株式会社 誤相関判定方法及び誤相関判定装置
US8837728B2 (en) 2012-10-16 2014-09-16 The Boeing Company Server algorithms to improve space based authentication
CN103067069B (zh) * 2012-12-24 2015-04-15 中国电子科技集团公司第五十四研究所 一种功耗动态管理的小型化卫星通信收发装置
US8874063B2 (en) 2013-03-08 2014-10-28 Qualcomm Incorporated Simultaneous signal receiver with interspersed frequency allocation
CN104062667A (zh) * 2014-07-03 2014-09-24 哈尔滨工程大学 基于i/q支路相关积分观测滤波的gps弱信号跟踪系统
CN106405575B (zh) * 2016-08-24 2019-03-19 北京华力创通科技股份有限公司 一种gps系统的p码生成器、生成系统及方法
CN109782307B (zh) * 2018-09-28 2020-10-30 和芯星通科技(北京)有限公司 一种载波相位的极性判定方法及装置
KR102199713B1 (ko) * 2019-12-26 2021-01-07 한국항공우주연구원 위성 항법 시스템에서 항법 메시지의 전송률 향상을 위한 장치 및 그 방법
US12016257B2 (en) 2020-02-19 2024-06-25 Sabanto, Inc. Methods for detecting and clearing debris from planter gauge wheels, closing wheels and seed tubes
JPWO2021229886A1 (de) * 2020-05-11 2021-11-18
EP4194899A1 (de) * 2021-12-07 2023-06-14 u-blox AG Demodulation von qzss-signalen
US12032077B2 (en) 2022-03-11 2024-07-09 Deere & Company System and method for compensating for scintillation and for facilitation of long-baseline RTK

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Also Published As

Publication number Publication date
WO2000031888A1 (en) 2000-06-02
US6125135A (en) 2000-09-26
JP4408572B2 (ja) 2010-02-03
EP1057278B1 (de) 2008-07-02
EP1057278A4 (de) 2006-08-16
ES2308856T3 (es) 2008-12-01
WO2000031888A9 (en) 2006-11-16
JP2003524764A (ja) 2003-08-19
ATE400092T1 (de) 2008-07-15
EP1057278A1 (de) 2000-12-06

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