FI20000819A0 - Menetelmä vastaanottimessa ja vastaanotin - Google Patents

Menetelmä vastaanottimessa ja vastaanotin

Info

Publication number
FI20000819A0
FI20000819A0 FI20000819A FI20000819A FI20000819A0 FI 20000819 A0 FI20000819 A0 FI 20000819A0 FI 20000819 A FI20000819 A FI 20000819A FI 20000819 A FI20000819 A FI 20000819A FI 20000819 A0 FI20000819 A0 FI 20000819A0
Authority
FI
Finland
Prior art keywords
receiver
Prior art date
Application number
FI20000819A
Other languages
English (en)
Swedish (sv)
Other versions
FI20000819A (fi
Inventor
David Akopian
Ilkka Kontola
Harri Valio
Seppo Turunen
Original Assignee
Nokia Mobile Phones Ltd
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 Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Priority to FI20000819A priority Critical patent/FI20000819A/fi
Publication of FI20000819A0 publication Critical patent/FI20000819A0/fi
Priority to EP01660058A priority patent/EP1143674A3/en
Priority to US09/826,260 priority patent/US6909738B2/en
Publication of FI20000819A publication Critical patent/FI20000819A/fi

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
    • G01S19/24—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
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
    • H04L27/2271—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals
    • H04L27/2272—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals using phase locked loops
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0053—Closed loops
    • H04L2027/0057—Closed loops quadrature phase
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0063—Elements of loops
    • H04L2027/0065—Frequency error detectors

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
FI20000819A 2000-04-06 2000-04-06 Menetelmä vastaanottimessa ja vastaanotin FI20000819A (fi)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI20000819A FI20000819A (fi) 2000-04-06 2000-04-06 Menetelmä vastaanottimessa ja vastaanotin
EP01660058A EP1143674A3 (en) 2000-04-06 2001-03-28 Frequency shift examination in a CDMA receiver
US09/826,260 US6909738B2 (en) 2000-04-06 2001-04-04 Method in a receiver and a receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20000819A FI20000819A (fi) 2000-04-06 2000-04-06 Menetelmä vastaanottimessa ja vastaanotin

Publications (2)

Publication Number Publication Date
FI20000819A0 true FI20000819A0 (fi) 2000-04-06
FI20000819A FI20000819A (fi) 2002-01-25

Family

ID=8558140

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20000819A FI20000819A (fi) 2000-04-06 2000-04-06 Menetelmä vastaanottimessa ja vastaanotin

Country Status (3)

Country Link
US (1) US6909738B2 (fi)
EP (1) EP1143674A3 (fi)
FI (1) FI20000819A (fi)

Families Citing this family (43)

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US6985542B1 (en) 2000-06-02 2006-01-10 Cellguide Ltd. Coherent processing of satellite signals to locate a mobile unit
IL154793A0 (en) * 2000-09-18 2003-10-31 Cellguide Ltd Efficient algorithm for processing gps signals
US6720917B2 (en) * 2000-12-04 2004-04-13 The United States Of America As Represented By The Secretary Of The Air Force Acquisition for GPS C/A code and P(Y) code
EP1360521A1 (en) * 2001-02-06 2003-11-12 Koninklijke Philips Electronics N.V. A method of despreading gps signals
JP3676991B2 (ja) * 2001-07-05 2005-07-27 松下電器産業株式会社 無線通信装置及び無線通信方法
GB2382478A (en) * 2001-11-26 2003-05-28 Ubinetics Ltd Determining the approximate frequency error of an oscillator
US7596190B2 (en) * 2002-04-01 2009-09-29 Qualcomm Incorporated System, method, and apparatus for correction of code doppler shift
US7224721B2 (en) * 2002-10-11 2007-05-29 The Mitre Corporation System for direct acquisition of received signals
WO2004038449A1 (en) 2002-10-24 2004-05-06 Nokia Corporation Validation of beacon signals
WO2004038944A1 (en) 2002-10-24 2004-05-06 Nokia Corporation Determination of the correlation phase between a signal and a replica sequence
WO2004070413A2 (en) * 2003-01-31 2004-08-19 Sirf Technology Inc. Reducing memory usage in noncoherent signal processing
US8098765B1 (en) * 2004-02-23 2012-01-17 Sirf Technology, Inc. Reducing and sharing computations for GPS signal processing
US7486749B2 (en) * 2004-12-22 2009-02-03 Nokia Corporation Determination of a code phase
WO2006103486A1 (en) * 2005-03-31 2006-10-05 Nokia Corporation Method and device for correlation detection in spread spectrum transmission systems by fast fourier transformation
US8275397B2 (en) * 2005-07-14 2012-09-25 Huston Charles D GPS based friend location and identification system and method
US8207843B2 (en) 2005-07-14 2012-06-26 Huston Charles D GPS-based location and messaging system and method
US11972450B2 (en) 2005-07-14 2024-04-30 Charles D. Huston Spectator and participant system and method for displaying different views of an event
US9344842B2 (en) 2005-07-14 2016-05-17 Charles D. Huston System and method for viewing golf using virtual reality
US8933967B2 (en) 2005-07-14 2015-01-13 Charles D. Huston System and method for creating and sharing an event using a social network
US8249626B2 (en) * 2005-07-14 2012-08-21 Huston Charles D GPS based friend location and identification system and method
US9445225B2 (en) * 2005-07-14 2016-09-13 Huston Family Trust GPS based spectator and participant sport system and method
EP1904202B1 (en) * 2005-07-14 2016-12-21 Charles D. Huston Gps based spectator and participant sport system and method
US7471238B2 (en) * 2005-11-01 2008-12-30 The Aerospace Corporation Multitarget tracking antispoofing receiver
ATE397330T1 (de) * 2006-02-20 2008-06-15 Alcatel Lucent Kompensationsregelung des dopplereffektes zur funkübertragung
TWI341672B (en) * 2006-03-08 2011-05-01 Lite On Technology Corp Method and receiver capable of increasing acquisition efficiency in a code division multiple access communication system
WO2008033117A1 (en) * 2006-09-11 2008-03-20 Telefonaktiebolaget Lm Ericsson (Publ) Detection of time-frequency hopping patterns
US8295328B2 (en) * 2006-10-11 2012-10-23 Telefonaktiebolaget Lm Ericsson (Publ) Doppler frequency control of G-rake receiver
US8300674B2 (en) * 2007-01-12 2012-10-30 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for complexity reduction in detection of delay and Doppler shifted signature sequences
US8295325B2 (en) * 2007-01-12 2012-10-23 Telefonaktiebolaget L M Ericsson (Publ) Signature sequences and methods for time-frequency selective channel
US8009086B2 (en) * 2008-02-13 2011-08-30 The United States Of America As Represented By The Secretary Of The Navy System and method for geo-locating a receiver with reduced power consumption
US8811331B2 (en) * 2008-04-10 2014-08-19 Telefonaktiebolaget L M Ericsson (Publ) Pilot design using costas arrays
US8442095B2 (en) * 2008-06-14 2013-05-14 Qualcomm Incorporated Multiple correlation processing in code space search
US20100093301A1 (en) * 2008-10-14 2010-04-15 Electronics And Telecommunications Research Institute Heterodyne receiver using analog discrete-time signal processing and signal receiving method thereof
US8446931B1 (en) * 2011-04-19 2013-05-21 L-3 Communications Corp Chip timing synchronization for link that transitions between clear and spread modes
FI122637B (fi) * 2011-04-28 2012-04-30 Fastrax Ltd Signaalinkäsittelymenetelmä, -laite ja -järjestelmä
CN103166893B (zh) * 2011-12-14 2015-12-09 联芯科技有限公司 Lte系统最大时延扩展估计的实现方法和装置
EP2811320A1 (en) 2013-06-05 2014-12-10 Astrium Limited Receiver and method for direct sequence spread spectrum signals
KR101564828B1 (ko) * 2014-01-20 2015-10-30 한국과학기술원 도플러 주파수가 있는 미약한 대역확산 신호의 초고속 신호 획득 및 추적을 위한 신호 처리 방법 및 그 장치
JP6999640B2 (ja) * 2016-07-22 2022-01-18 ユー－ブロックス、アクチエンゲゼルシャフト 全地球航法衛星システム（ｇｎｓｓ）信号追跡
US11686855B2 (en) * 2019-10-15 2023-06-27 Onenav, Inc. Modernized global navigation satellite system (GNSS) receivers and commercially viable consumer grade GNSS receivers
US11821993B2 (en) * 2020-06-01 2023-11-21 Onenav, Inc. Modernized consumer grade GNSS secondary code acquisition and signal tracking
US11874382B2 (en) * 2021-02-11 2024-01-16 Mitre Corporation GNSS spoofing detection using peak suppression monitor
CN113422658B (zh) * 2021-06-17 2023-02-03 中国电子科技集团公司第二十九研究所 一种通道间采样时序不同步的校正方法及系统

Family Cites Families (8)

* Cited by examiner, † Cited by third party
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US5192957A (en) * 1991-07-01 1993-03-09 Motorola, Inc. Sequencer for a shared channel global positioning system receiver
US5402347A (en) 1993-07-22 1995-03-28 Trimble Navigation Limited Satellite search methods for improving time to first fix in a GPS receiver
US6028883A (en) * 1996-07-12 2000-02-22 General Electric Company Low power signal processing for spread spectrum receivers
US6151353A (en) * 1996-07-12 2000-11-21 General Electric Company Pre-acquisition frequency offset removal in a GPS receiver
US6289041B1 (en) * 1997-02-11 2001-09-11 Snaptrack, Inc. Fast Acquisition, high sensitivity GPS receiver
US6005889A (en) * 1997-07-17 1999-12-21 Nokia Pseudo-random noise detector for signals having a carrier frequency offset
FI19992653A (fi) * 1999-12-09 2001-06-10 Nokia Mobile Phones Ltd Menetelmä vastaanottimen tahdistamiseksi ja vastaanotin
US6810072B1 (en) * 2000-05-30 2004-10-26 Nokia Corporation System for acquiring spread spectrum signals

Also Published As

Publication number Publication date
EP1143674A3 (en) 2004-01-21
FI20000819A (fi) 2002-01-25
US6909738B2 (en) 2005-06-21
US20010033606A1 (en) 2001-10-25
EP1143674A2 (en) 2001-10-10

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