DE60238833D1 - Integrierte Schaltung für Kodeerfassung - Google Patents

Integrierte Schaltung für Kodeerfassung

Info

Publication number
DE60238833D1
DE60238833D1 DE60238833T DE60238833T DE60238833D1 DE 60238833 D1 DE60238833 D1 DE 60238833D1 DE 60238833 T DE60238833 T DE 60238833T DE 60238833 T DE60238833 T DE 60238833T DE 60238833 D1 DE60238833 D1 DE 60238833D1
Authority
DE
Germany
Prior art keywords
integrated circuit
code acquisition
acquisition
code
integrated
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
DE60238833T
Other languages
English (en)
Inventor
Esq Philip Mattos
Esq Marco Losi
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.)
STMicroelectronics Research and Development Ltd
STMicroelectronics SRL
Original Assignee
STMicroelectronics Research and Development Ltd
STMicroelectronics SRL
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 STMicroelectronics Research and Development Ltd, STMicroelectronics SRL filed Critical STMicroelectronics Research and Development Ltd
Application granted granted Critical
Publication of DE60238833D1 publication Critical patent/DE60238833D1/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
    • G01S19/30—Acquisition or tracking or demodulation of signals transmitted by the system code related
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/06—Non-recursive filters
    • H03H17/0621—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing
    • H03H17/0635—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies
    • H03H17/065—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies the ratio being integer
    • H03H17/0664—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies the ratio being integer where the output-delivery frequency is lower than the input sampling frequency, i.e. decimation
    • 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
    • H04B1/70753—Partial phase search
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70715—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation with application-specific features
DE60238833T 2002-08-02 2002-08-02 Integrierte Schaltung für Kodeerfassung Expired - Lifetime DE60238833D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02255422A EP1387499B1 (de) 2002-08-02 2002-08-02 Integrierte Schaltung für Kodeerfassung

Publications (1)

Publication Number Publication Date
DE60238833D1 true DE60238833D1 (de) 2011-02-17

Family

ID=30011257

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60238833T Expired - Lifetime DE60238833D1 (de) 2002-08-02 2002-08-02 Integrierte Schaltung für Kodeerfassung

Country Status (3)

Country Link
US (1) US7406113B2 (de)
EP (1) EP1387499B1 (de)
DE (1) DE60238833D1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1387498A1 (de) * 2002-08-02 2004-02-04 STMicroelectronics Limited Integrierter Schaltkreis für Kodeerfassung
KR101056365B1 (ko) 2004-02-28 2011-08-11 삼성전자주식회사 비트 다운 스케일링 방법 및 장치, 지피에스 동기포착방법및 지피에스 수신장치
WO2006003673A1 (en) * 2004-07-05 2006-01-12 Accord Software & Systems Pvt. Ltd. Low gate count sequential multitap correlator
US8368588B2 (en) * 2007-11-26 2013-02-05 Mediatek Inc. Method and apparatus for updating transformation information parameters used in global navigation satellite system
US7786929B2 (en) 2007-11-26 2010-08-31 Mediatek Inc. Method and device for predicting GNSS satellite trajectory extension data used in mobile apparatus
EP2211476A1 (de) * 2009-01-27 2010-07-28 U-Blox A.G. Verfahren zur Verarbeitung eines digitalen Signals, das von einem Direktsequenzspreizspektrumssignal (DSSS-Signal) abgeleitet ist

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0724397B2 (ja) * 1990-02-15 1995-03-15 クラリオン株式会社 スペクトラム拡散通信装置
US5467367A (en) * 1991-06-07 1995-11-14 Canon Kabushiki Kaisha Spread spectrum communication apparatus and telephone exchange system
US5237586A (en) 1992-03-25 1993-08-17 Ericsson-Ge Mobile Communications Holding, Inc. Rake receiver with selective ray combining
US5420593A (en) * 1993-04-09 1995-05-30 Trimble Navigation Limited Method and apparatus for accelerating code correlation searches in initial acquisition and doppler and code phase in re-acquisition of GPS satellite signals
JP3581448B2 (ja) * 1994-10-21 2004-10-27 キヤノン株式会社 スペクトラム拡散通信装置
US5914933A (en) * 1996-03-08 1999-06-22 Lucent Technologies Inc. Clustered OFDM communication system
US6125325A (en) * 1996-04-25 2000-09-26 Sirf Technology, Inc. GPS receiver with cross-track hold
US6041074A (en) * 1996-05-24 2000-03-21 Ricoh Company, Ltd. Spread spectrum pulse position modulation system
US5966411A (en) * 1996-12-18 1999-10-12 Alcatel Usa Sourcing, L.P. Multipath equalization using taps derived from a parallel correlator
US6289041B1 (en) * 1997-02-11 2001-09-11 Snaptrack, Inc. Fast Acquisition, high sensitivity GPS receiver
GB2364487B (en) 1997-02-27 2002-03-13 Motorola Inc Method and apparatus for acquiring a pilot signal in a CDMA receiver
US5999561A (en) * 1997-05-20 1999-12-07 Sanconix, Inc. Direct sequence spread spectrum method, computer-based product, apparatus and system tolerant to frequency reference offset
JPH1141141A (ja) 1997-05-21 1999-02-12 Mitsubishi Electric Corp スペクトル拡散信号受信方法及びスペクトル拡散信号受信装置
US6201843B1 (en) * 1999-02-25 2001-03-13 L-3 Communications, Inc. Rapid acquisition dispersive channel receiver integrated circuit
US6421372B1 (en) 1999-11-10 2002-07-16 Itt Manufacturing Enterprises, Inc. Sequential-acquisition, multi-band, multi-channel, matched filter
US6888879B1 (en) * 2000-02-24 2005-05-03 Trimble Navigation Limited Method and apparatus for fast acquisition and low SNR tracking in satellite positioning system receivers
US6965631B2 (en) * 2000-03-13 2005-11-15 Pri Research & Development Corp. Low power passive correlators for multichannel global positioning system signal receiver
US6775319B2 (en) * 2001-08-16 2004-08-10 Motorola, Inc. Spread spectrum receiver architectures and methods therefor
US7061972B1 (en) * 2002-04-04 2006-06-13 Best Gregory C GPS receiver having dynamic correlator allocation between a memory-enhanced channel for acquisition and standard channels for tracking
DE60220046T2 (de) * 2002-08-02 2008-01-10 Stmicroelectronics Ltd., Almondsbury Integrierter Schaltkreis zur GPS Kodeerfassung
EP1387498A1 (de) * 2002-08-02 2004-02-04 STMicroelectronics Limited Integrierter Schaltkreis für Kodeerfassung

Also Published As

Publication number Publication date
US7406113B2 (en) 2008-07-29
US20040120385A1 (en) 2004-06-24
EP1387499A1 (de) 2004-02-04
EP1387499B1 (de) 2011-01-05

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