WO2009019754A1 - 衛星測位装置及び捕捉方法 - Google Patents

衛星測位装置及び捕捉方法 Download PDF

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Publication number
WO2009019754A1
WO2009019754A1 PCT/JP2007/065357 JP2007065357W WO2009019754A1 WO 2009019754 A1 WO2009019754 A1 WO 2009019754A1 JP 2007065357 W JP2007065357 W JP 2007065357W WO 2009019754 A1 WO2009019754 A1 WO 2009019754A1
Authority
WO
WIPO (PCT)
Prior art keywords
frequency
signal
satellite
acquisition
time
Prior art date
Application number
PCT/JP2007/065357
Other languages
English (en)
French (fr)
Inventor
Kiyoshi Yajima
Original Assignee
Pioneer Corporation
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 Pioneer Corporation filed Critical Pioneer Corporation
Priority to PCT/JP2007/065357 priority Critical patent/WO2009019754A1/ja
Priority to US12/673,001 priority patent/US20110312334A1/en
Priority to JP2009526281A priority patent/JPWO2009019754A1/ja
Publication of WO2009019754A1 publication Critical patent/WO2009019754A1/ja

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S19/00Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13Receivers
    • G01S19/24Acquisition or tracking or demodulation of signals transmitted by the system

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)

Abstract

【課題】捕捉に掛かる時間を短くすること。 【解決手段】信号生成部32は、各衛星からの衛星信号を2乗化した信号を生成する。さらに時間周波数変換部39は、このように生成された信号を時間周波数変換する。さらに捕捉部36は、その時間周波数変換によって得られた周波数特性において突出した態様の周波数を特定し、その特定した周波数に基づいて周波数特性において突出する周波数に基づいて、各衛星信号を捕捉する。このようにすると、捕捉部36は、各衛星信号が存在していそうな周波数の当たり所を付けることができる。
PCT/JP2007/065357 2007-08-06 2007-08-06 衛星測位装置及び捕捉方法 WO2009019754A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/JP2007/065357 WO2009019754A1 (ja) 2007-08-06 2007-08-06 衛星測位装置及び捕捉方法
US12/673,001 US20110312334A1 (en) 2007-08-06 2007-08-06 Satellite positioning device and acquisition method
JP2009526281A JPWO2009019754A1 (ja) 2007-08-06 2007-08-06 衛星測位装置及び捕捉方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/065357 WO2009019754A1 (ja) 2007-08-06 2007-08-06 衛星測位装置及び捕捉方法

Publications (1)

Publication Number Publication Date
WO2009019754A1 true WO2009019754A1 (ja) 2009-02-12

Family

ID=40341002

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/065357 WO2009019754A1 (ja) 2007-08-06 2007-08-06 衛星測位装置及び捕捉方法

Country Status (3)

Country Link
US (1) US20110312334A1 (ja)
JP (1) JPWO2009019754A1 (ja)
WO (1) WO2009019754A1 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8644788B2 (en) 2012-05-02 2014-02-04 Skytraq Technology, Inc. Signal receiver, portable computer and signal acquisition method used in satellite communication system
EP3966587A4 (en) * 2019-05-10 2023-09-13 Star Ally International Limited SYSTEM AND METHOD FOR DETERMINING TIME OF FLIGHT BY CATEGORIZING CODE AND PHASE IN THE RECEIVED SIGNAL

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06242209A (ja) * 1993-02-18 1994-09-02 Matsushita Electric Ind Co Ltd Gps受信装置
JPH08146111A (ja) * 1982-03-01 1996-06-07 Western Atlas Internatl Inc 人工衛星からの信号を用いて位置を決定するための方法および装置
JP2005538339A (ja) * 2001-10-22 2005-12-15 クゥアルコム・インコーポレイテッド Gps信号をトラッキングするオープンループに関する方法
JP2006184219A (ja) * 2004-12-28 2006-07-13 Epson Toyocom Corp 測位衛星受信装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04326079A (ja) * 1991-04-26 1992-11-16 Nippondenso Co Ltd Gps受信機
JPH06235761A (ja) * 1993-02-10 1994-08-23 Matsushita Electric Ind Co Ltd 周波数誤差推定方法
JP4665501B2 (ja) * 2004-12-13 2011-04-06 エプソントヨコム株式会社 温度補償圧電発振器とそれを用いた受信装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08146111A (ja) * 1982-03-01 1996-06-07 Western Atlas Internatl Inc 人工衛星からの信号を用いて位置を決定するための方法および装置
JPH06242209A (ja) * 1993-02-18 1994-09-02 Matsushita Electric Ind Co Ltd Gps受信装置
JP2005538339A (ja) * 2001-10-22 2005-12-15 クゥアルコム・インコーポレイテッド Gps信号をトラッキングするオープンループに関する方法
JP2006184219A (ja) * 2004-12-28 2006-07-13 Epson Toyocom Corp 測位衛星受信装置

Also Published As

Publication number Publication date
JPWO2009019754A1 (ja) 2010-10-28
US20110312334A1 (en) 2011-12-22

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