HK1149083A1 - Process for sub-microsecond time transfer using weak gps/gnss signals - Google Patents
Process for sub-microsecond time transfer using weak gps/gnss signalsInfo
- Publication number
- HK1149083A1 HK1149083A1 HK11103133.9A HK11103133A HK1149083A1 HK 1149083 A1 HK1149083 A1 HK 1149083A1 HK 11103133 A HK11103133 A HK 11103133A HK 1149083 A1 HK1149083 A1 HK 1149083A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- sub
- time transfer
- gnss signals
- microsecond time
- weak gps
- Prior art date
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
- H04B1/709—Correlator structure
-
- 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
- G01S19/243—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
- G01S19/14—Receivers specially adapted for specific applications
-
- 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
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
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)
- Radio Relay Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US771107P | 2007-12-14 | 2007-12-14 | |
PCT/US2008/086613 WO2009079380A2 (en) | 2007-12-14 | 2008-12-12 | Process for sub-microsecond time transfer using weak gps/gnss signals |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1149083A1 true HK1149083A1 (en) | 2011-09-23 |
Family
ID=40796106
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK11103133.9A HK1149083A1 (en) | 2007-12-14 | 2011-03-28 | Process for sub-microsecond time transfer using weak gps/gnss signals |
Country Status (6)
Country | Link |
---|---|
US (2) | US8391341B2 (xx) |
EP (1) | EP2232292B1 (xx) |
JP (1) | JP5723157B2 (xx) |
HK (1) | HK1149083A1 (xx) |
TW (1) | TWI439718B (xx) |
WO (1) | WO2009079380A2 (xx) |
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US6816710B2 (en) * | 1998-05-06 | 2004-11-09 | Snaptrack, Inc. | Method and apparatus for signal processing in a satellite positioning system |
US8111734B2 (en) * | 2008-01-14 | 2012-02-07 | The Boeing Company | Device and method for fast transition from preamble synchronization to data demodulation in direct sequence spread spectrum (DSSS) communications |
CN101937074B (zh) * | 2009-06-30 | 2013-09-18 | 迈实电子(上海)有限公司 | 获取导航比特流的方法和装置、gps接收机及其定位方法 |
JP2011149925A (ja) * | 2009-12-22 | 2011-08-04 | Casio Computer Co Ltd | 測位装置、測位方法およびプログラム |
US8571089B2 (en) | 2010-08-09 | 2013-10-29 | Qualcomm Incorporated | Time-setting in satellite positioning system receivers |
CN103675839A (zh) * | 2012-08-31 | 2014-03-26 | 迈实电子(上海)有限公司 | 同步导航电文的方法、接收机及装置 |
CN103675853A (zh) * | 2012-08-31 | 2014-03-26 | 迈实电子(上海)有限公司 | 同步导航电文的方法、接收机及装置 |
EP2703839A1 (en) * | 2012-08-31 | 2014-03-05 | O2 Micro, Inc. | Method and apparatus for synchronizing navigation data |
CN103675837A (zh) * | 2012-08-31 | 2014-03-26 | 迈实电子(上海)有限公司 | 同步导航电文的方法、接收机及装置 |
CN103675838A (zh) * | 2012-08-31 | 2014-03-26 | 迈实电子(上海)有限公司 | 同步导航电文的方法、接收机及装置 |
US9413569B2 (en) * | 2012-09-28 | 2016-08-09 | Nxp B.V. | Adaptive detector threshold compensation in binary frame based communication systems |
US9638803B2 (en) * | 2013-05-06 | 2017-05-02 | Accord Software & Systems Pvt. Ltd. | Navigation data configuration for optimal time to first fix |
CN104237912A (zh) * | 2013-06-14 | 2014-12-24 | 凹凸电子(武汉)有限公司 | 导航比特同步方法及检查导航比特同步的方法 |
US9231690B2 (en) * | 2013-09-17 | 2016-01-05 | Qualcomm Incorporated | Signal tracking and decoding in GNSS |
CN105527631B (zh) * | 2014-11-26 | 2016-09-21 | 航天恒星科技有限公司 | 基于gnss接收机的弱信号处理方法 |
US10175945B2 (en) * | 2016-06-17 | 2019-01-08 | Nextnav, Llc | Methods and systems for improving correlation |
JP6790887B2 (ja) * | 2017-02-13 | 2020-11-25 | カシオ計算機株式会社 | 衛星電波受信装置、電子時計、測位制御方法及びプログラム |
CN108919634B (zh) * | 2018-08-13 | 2020-08-07 | 中国科学院国家授时中心 | 一种北斗三频非差非组合观测值时间传递系统及方法 |
WO2020059219A1 (ja) * | 2018-09-21 | 2020-03-26 | ソニーセミコンダクタソリューションズ株式会社 | 受信装置、および、受信方法 |
CN109738922B (zh) * | 2018-12-21 | 2024-01-12 | 西安开阳微电子有限公司 | Gps接收机快速同步方法、装置及计算机存储介质 |
CN110907957B (zh) * | 2019-10-23 | 2022-04-01 | 深圳华大北斗科技股份有限公司 | 信号解调方法、装置、计算机设备和存储介质 |
CN111983650B (zh) * | 2020-07-07 | 2022-07-15 | 北京自动化控制设备研究所 | 一种基于gnss的高精度时间传递方法 |
US11841444B2 (en) | 2020-08-27 | 2023-12-12 | Sony Group Corporation | Resilient ephemeris decoding of GNSS satellite information |
US11940542B2 (en) | 2021-02-18 | 2024-03-26 | Mediatek Inc. | Method of using multiple received satellite signals to compensate satellite multipath estimation error |
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JPH06186317A (ja) | 1992-04-23 | 1994-07-08 | Mitsubishi Electric Corp | 人工衛星を用いた測位システム |
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US6327473B1 (en) * | 1998-09-08 | 2001-12-04 | Qualcomm Incorporated | Method and apparatus for increasing the sensitivity of a global positioning satellite receiver |
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JP3837419B2 (ja) | 2004-05-10 | 2006-10-25 | 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 |
KR100617786B1 (ko) * | 2004-07-13 | 2006-08-28 | 삼성전자주식회사 | 도플러 변화를 보상하는 고감도 전세계위치확인 시스템수신기 및 방법 |
US20060031696A1 (en) | 2004-07-20 | 2006-02-09 | King Thomas M | Method and apparatus for determining time |
JP4092317B2 (ja) | 2004-08-23 | 2008-05-28 | 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 |
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US7362265B2 (en) * | 2005-04-12 | 2008-04-22 | Magellan Systems Japan Inc. | Process for accurate location determination in GPS positioning system |
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US7522100B2 (en) * | 2005-07-01 | 2009-04-21 | Sirf Technology Holdings, Inc. | Method and device for acquiring weak global navigation satellite system (GNSS) signals |
US20080180318A1 (en) | 2005-07-29 | 2008-07-31 | Glennon Eamonn P | Method and Apparatus for Reconstructing Time of Transmit from Assisted or Weak Signal GPS Type Observations |
US8542714B2 (en) * | 2005-07-29 | 2013-09-24 | U-Blox Ag | Method and system for reconstructing time of transmit from assisted or weak signal GPS observations |
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US7693211B2 (en) * | 2006-04-20 | 2010-04-06 | Sirf Technology Holdings, Inc. | Fast fourier transform based phase locked loop for navigational receivers |
WO2009108915A2 (en) * | 2008-02-28 | 2009-09-03 | Magellan Systems Japan, Inc. | Method and apparatus for acquisition, tracking, and sub-microsecond time transfer using weak gps/gnss signals |
-
2008
- 2008-12-12 US US12/747,505 patent/US8391341B2/en active Active
- 2008-12-12 JP JP2010538189A patent/JP5723157B2/ja active Active
- 2008-12-12 EP EP08861219.7A patent/EP2232292B1/en active Active
- 2008-12-12 WO PCT/US2008/086613 patent/WO2009079380A2/en active Application Filing
- 2008-12-15 TW TW097148787A patent/TWI439718B/zh active
-
2011
- 2011-03-28 HK HK11103133.9A patent/HK1149083A1/xx unknown
-
2013
- 2013-01-22 US US13/747,412 patent/US8615032B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
JP2011506974A (ja) | 2011-03-03 |
EP2232292A4 (en) | 2011-04-13 |
WO2009079380A2 (en) | 2009-06-25 |
EP2232292B1 (en) | 2013-08-14 |
WO2009079380A3 (en) | 2009-09-17 |
US8391341B2 (en) | 2013-03-05 |
US20100278220A1 (en) | 2010-11-04 |
EP2232292A2 (en) | 2010-09-29 |
TWI439718B (zh) | 2014-06-01 |
US20130136155A1 (en) | 2013-05-30 |
TW200938870A (en) | 2009-09-16 |
JP5723157B2 (ja) | 2015-05-27 |
US8615032B2 (en) | 2013-12-24 |
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