ATE521904T1 - Gps empfänger mit kurzer erfassungszeit - Google Patents

Gps empfänger mit kurzer erfassungszeit

Info

Publication number
ATE521904T1
ATE521904T1 AT04741948T AT04741948T ATE521904T1 AT E521904 T1 ATE521904 T1 AT E521904T1 AT 04741948 T AT04741948 T AT 04741948T AT 04741948 T AT04741948 T AT 04741948T AT E521904 T1 ATE521904 T1 AT E521904T1
Authority
AT
Austria
Prior art keywords
local
pseudorandom code
slewed
gps receiver
detection time
Prior art date
Application number
AT04741948T
Other languages
English (en)
Inventor
Francesco Piazza
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of ATE521904T1 publication Critical patent/ATE521904T1/de

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
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/70751—Synchronisation aspects with code phase acquisition using partial detection
    • H04B1/70752—Partial correlation
    • 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
    • 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
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H04B1/708—Parallel implementation

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)
AT04741948T 2003-07-03 2004-07-02 Gps empfänger mit kurzer erfassungszeit ATE521904T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US48473703P 2003-07-03 2003-07-03
PCT/EP2004/051336 WO2005003807A1 (en) 2003-07-03 2004-07-02 Gps receiver with fast acquisition time

Publications (1)

Publication Number Publication Date
ATE521904T1 true ATE521904T1 (de) 2011-09-15

Family

ID=33564026

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04741948T ATE521904T1 (de) 2003-07-03 2004-07-02 Gps empfänger mit kurzer erfassungszeit

Country Status (4)

Country Link
EP (2) EP2290832A3 (de)
JP (1) JP4499717B2 (de)
AT (1) ATE521904T1 (de)
WO (1) WO2005003807A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1960804A1 (de) 2005-12-16 2008-08-27 Nemerix SA Signalprozessor und signalverarbeitungsverfahren
WO2007068661A1 (en) 2005-12-16 2007-06-21 Nemerix Sa Signal processor and signal processing method
EP1903346A1 (de) 2006-09-21 2008-03-26 Nemerix SA Speicherverringerung in GNSS-Empfängern
EP1916535B1 (de) 2006-10-26 2015-11-18 Qualcomm Incorporated Unterdrückung der Kreuzkorrelation in GNSS-Empfängern
EP2066040A1 (de) 2007-11-27 2009-06-03 Nemerix SA GNSS-Empfänger mit Mehrwegkompensation
CN110658536B (zh) * 2018-06-29 2023-02-10 北京自动化控制设备研究所 一种卫星接收机导航输出信号时序测试方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10253738A (ja) * 1997-03-11 1998-09-25 Matsushita Electric Ind Co Ltd Ｇｐｓ受信方式
JP3752052B2 (ja) * 1997-04-15 2006-03-08 日本無線株式会社 コード位相捕捉回路
US5955986A (en) * 1997-11-20 1999-09-21 Eagle Eye Technologies, Inc. Low-power satellite-based geopositioning system
US6208291B1 (en) * 1998-05-29 2001-03-27 Snaptrack, Inc. Highly parallel GPS correlator system and method
JP2001159670A (ja) * 1999-12-03 2001-06-12 Japan Radio Co Ltd Ｇｐｓ受信機用相関検出回路
ATE393496T1 (de) 2000-10-10 2008-05-15 Nemerix Sa Elektronische schaltung und rf-empfänger mit energiesparsteuerung
US6735243B1 (en) * 2000-11-08 2004-05-11 Nokia Corporation Method, apparatus and system for fast acquisition of a spread spectrum signal
JP2003032144A (ja) * 2001-07-17 2003-01-31 Furuno Electric Co Ltd スペクトル拡散信号捕捉装置および方法
US6775319B2 (en) * 2001-08-16 2004-08-10 Motorola, Inc. Spread spectrum receiver architectures and methods therefor

Also Published As

Publication number Publication date
EP2290832A2 (de) 2011-03-02
WO2005003807A1 (en) 2005-01-13
JP2008506925A (ja) 2008-03-06
JP4499717B2 (ja) 2010-07-07
EP1642152A1 (de) 2006-04-05
EP2290832A3 (de) 2011-03-23
EP1642152B1 (de) 2011-08-24

Similar Documents

Publication Publication Date Title
DK0924532T3 (da) Fremgangsmåde og apparat til modtagelse af GPS/GLONASS-signaler
CN1225175A (zh) 具有有效信号捕获的gps接收机
US7190712B2 (en) Method and apparatus for performing signal correlation
CN1991403A (zh) 卫星定位系统信号处理方法和装置
CN1230988C (zh) 采用特定码调制的信号接收机的相关和解调电路
ATE542152T1 (de) Systeme, verfahren und vorrichtung zur störsenderabwehr
DK1664845T3 (da) System og fremgangsmåde til kulbrintedetektering ved anvendelse af waveletenergiabsorptionsanalyse
ATE421806T1 (de) Vorrichtung und verfahren zur ausführung von pulsformmessungen
US10175945B2 (en) Methods and systems for improving correlation
CN100338475C (zh) 具有用于改进信号的接收动态的装置的射频信号接收机
ES2962587T3 (es) Receptor para navegación por satélite
ATE521904T1 (de) Gps empfänger mit kurzer erfassungszeit
US20090224976A1 (en) Gps receiver with fast acquisition time
CN103308931A (zh) 用于检测卫星信号的系统和方法
TW200705838A (en) Method and apparatus for accelerating correlation processing of GPS signal
FR2863714B1 (fr) Dispositif de determination de position par filtrage de donnees d'integrite d'un systeme d'augmentation, pour un terminal mobile
US8238411B2 (en) Acquisition of a code modulated signal
CN1363843A (zh) 专门用于射频信号接收机的数字可控振荡器
WO2000065751A1 (en) Apparatus for computing gps correlations in parallel
ATE539363T1 (de) Navigationssystem mit einem signalprozessor
US7649494B2 (en) GPS receiver
CN2854622Y (zh) 实现在微弱信号环境下gps定位的系统
CN101776761B (zh) 定位方法和导航装置
US9612338B2 (en) Method to improve satellite signal detection
ATE474235T1 (de) Positionierungsverfahren und -vorrichtung

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties