DE602004030286D1 - Erfassen eines codemodulierten signals - Google Patents

Erfassen eines codemodulierten signals

Info

Publication number
DE602004030286D1
DE602004030286D1 DE602004030286T DE602004030286T DE602004030286D1 DE 602004030286 D1 DE602004030286 D1 DE 602004030286D1 DE 602004030286 T DE602004030286 T DE 602004030286T DE 602004030286 T DE602004030286 T DE 602004030286T DE 602004030286 D1 DE602004030286 D1 DE 602004030286D1
Authority
DE
Germany
Prior art keywords
code
replica
correlation results
modulated signal
correlation
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.)
Active
Application number
DE602004030286T
Other languages
English (en)
Inventor
Harri Valio
Samuli Pietilae
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.)
Nokia Oyj
Original Assignee
Nokia Oyj
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 Nokia Oyj filed Critical Nokia Oyj
Publication of DE602004030286D1 publication Critical patent/DE602004030286D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G01S19/33—Multimode operation in different systems which transmit time stamped messages, e.g. GPS/GLONASS
    • 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
    • G01S19/24—Acquisition or tracking or demodulation of signals transmitted by the system
    • G01S19/25—Acquisition or tracking or demodulation of signals transmitted by the system involving aiding data received from a cooperating element, e.g. assisted GPS
    • G01S19/256—Acquisition or tracking or demodulation of signals transmitted by the system involving aiding data received from a cooperating element, e.g. assisted GPS relating to timing, e.g. time of week, code phase, timing offset

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)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
DE602004030286T 2004-12-21 2004-12-21 Erfassen eines codemodulierten signals Active DE602004030286D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2004/004221 WO2006067538A1 (en) 2004-12-21 2004-12-21 Acquisition of a code modulated signal

Publications (1)

Publication Number Publication Date
DE602004030286D1 true DE602004030286D1 (de) 2011-01-05

Family

ID=34959857

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004030286T Active DE602004030286D1 (de) 2004-12-21 2004-12-21 Erfassen eines codemodulierten signals

Country Status (6)

Country Link
US (1) US8238411B2 (de)
EP (1) EP1828801B1 (de)
CN (1) CN101088025B (de)
AT (1) ATE489646T1 (de)
DE (1) DE602004030286D1 (de)
WO (1) WO2006067538A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007107928A (ja) * 2005-10-11 2007-04-26 Seiko Epson Corp 測位装置、測位装置の制御方法、測位装置の制御プログラム、測位装置の制御プログラムを記録したコンピュータ読み取り可能な記録媒体
US7994976B2 (en) * 2006-04-19 2011-08-09 Mediatek Inc. Satellite signal adaptive time-division multiplexing receiver and method
US7817084B2 (en) * 2006-08-23 2010-10-19 Qualcomm Incorporated System and/or method for reducing ambiguities in received SPS signals
US9128178B2 (en) * 2007-12-27 2015-09-08 Seiko Epson Corporation Correlation calculation process execution method, control circuit, signal processing circuit, and position calculation device
US9119165B2 (en) 2009-09-10 2015-08-25 Nextnav, Llc Coding in a wide area positioning system (WAPS)
US8462831B2 (en) * 2009-07-23 2013-06-11 CSR Technology, Inc. System and method for use of sieving in GPS signal acquisition
TWI394974B (zh) * 2009-09-29 2013-05-01 Mstar Semiconductor Inc 用於定位系統之頻率追蹤方法及其裝置
JP4911220B2 (ja) * 2009-11-30 2012-04-04 セイコーエプソン株式会社 衛星信号捕捉方法及び衛星信号受信装置
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
US9645249B2 (en) 2011-06-28 2017-05-09 Nextnav, Llc Systems and methods for pseudo-random coding
US9712229B2 (en) 2014-08-12 2017-07-18 Google Technology Holdings LLC GPS time-aiding and frequency correction

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6133874A (en) * 1996-03-08 2000-10-17 Snaptrack, Inc. Method and apparatus for acquiring satellite positioning system signals
US6642884B2 (en) * 2000-05-08 2003-11-04 Sigtec Navigation Pty Ltd. Satellite-based positioning system receiver for weak signal operation
US6778136B2 (en) * 2001-12-13 2004-08-17 Sirf Technology, Inc. Fast acquisition of GPS signal
FI114173B (fi) * 2002-05-16 2004-08-31 Nokia Corp Menetelmä elektroniikkalaitteen sijainnin määrittämiseksi, järjestelmä ja elektroniikkalaite
US6825805B2 (en) 2002-08-29 2004-11-30 Qualcomm Incorporated Search procedure for position determination system
US7672404B2 (en) * 2003-05-19 2010-03-02 Broadcom Corporation Method and apparatus for reducing the time required to acquire a GPS signal

Also Published As

Publication number Publication date
EP1828801B1 (de) 2010-11-24
CN101088025B (zh) 2012-05-30
CN101088025A (zh) 2007-12-12
EP1828801A1 (de) 2007-09-05
US20090052506A1 (en) 2009-02-26
ATE489646T1 (de) 2010-12-15
WO2006067538A1 (en) 2006-06-29
US8238411B2 (en) 2012-08-07

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