AU2001232880A1 - Hierarchical delay lock loop code tracking system with multipath correction - Google Patents

Hierarchical delay lock loop code tracking system with multipath correction

Info

Publication number
AU2001232880A1
AU2001232880A1 AU2001232880A AU3288001A AU2001232880A1 AU 2001232880 A1 AU2001232880 A1 AU 2001232880A1 AU 2001232880 A AU2001232880 A AU 2001232880A AU 3288001 A AU3288001 A AU 3288001A AU 2001232880 A1 AU2001232880 A1 AU 2001232880A1
Authority
AU
Australia
Prior art keywords
tracking system
lock loop
delay lock
code tracking
loop code
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.)
Abandoned
Application number
AU2001232880A
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.)
Infineon Technologies AG
Original Assignee
Infineon Technologies AG
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 Infineon Technologies AG filed Critical Infineon Technologies AG
Publication of AU2001232880A1 publication Critical patent/AU2001232880A1/en
Abandoned 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
    • G01S19/22—Multipath-related issues
    • 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
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • H04B1/7117—Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers

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)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
AU2001232880A 2000-02-16 2001-01-19 Hierarchical delay lock loop code tracking system with multipath correction Abandoned AU2001232880A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/505,184 US6345068B1 (en) 1998-09-16 2000-02-16 Hierarchical delay lock loop code tracking system with multipath correction
US09505184 2000-02-16
PCT/US2001/001937 WO2001061372A1 (en) 2000-02-16 2001-01-19 Hierarchical delay lock loop code tracking system with multipath correction

Publications (1)

Publication Number Publication Date
AU2001232880A1 true AU2001232880A1 (en) 2001-08-27

Family

ID=24009354

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001232880A Abandoned AU2001232880A1 (en) 2000-02-16 2001-01-19 Hierarchical delay lock loop code tracking system with multipath correction

Country Status (6)

Country Link
US (1) US6345068B1 (en)
EP (1) EP1256014A1 (en)
JP (1) JP2003523522A (en)
CN (1) CN1233128C (en)
AU (1) AU2001232880A1 (en)
WO (1) WO2001061372A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3092598B2 (en) * 1998-09-08 2000-09-25 日本電気株式会社 Mobile communication device and mobile communication method
US6987820B1 (en) * 2000-10-18 2006-01-17 Honeywell International, Inc. Apparatus for navigation satellite signal quality monitoring
US6795452B2 (en) * 2002-05-31 2004-09-21 Sandbridge Technologies, Inc. Method of tracking time intervals for a communication signal
KR100537202B1 (en) * 2004-05-06 2005-12-16 주식회사 하이닉스반도체 Semiconductor device capable of using lock-in state information of delay locked loop
US7982861B2 (en) * 2008-07-31 2011-07-19 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Time delay and distance measurement
CN101358855B (en) * 2008-09-23 2011-04-06 光庭导航数据（武汉）有限公司 Navigation device based on layering bidirectional heuristic route planning method
CN102590787B (en) * 2012-02-29 2013-05-08 北京航空航天大学 Double early-late loop tracking method of spread spectrum receiver
GB201401237D0 (en) 2014-01-24 2014-03-12 Qinetiq Ltd Improvements to satellite positioning methods
US9907547B2 (en) 2014-12-02 2018-03-06 4Tech Inc. Off-center tissue anchors
CN111142132B (en) * 2018-11-05 2022-04-01 深圳华大北斗科技股份有限公司 Receiver pulling method and device, computer equipment and storage medium
CN110163189B (en) * 2019-06-10 2020-12-25 哈尔滨工业大学 Bandwidth-limited signal dynamic extrapolation method

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4894842A (en) * 1987-10-15 1990-01-16 The Charles Stark Draper Laboratory, Inc. Precorrelation digital spread spectrum receiver
US5390207A (en) 1990-11-28 1995-02-14 Novatel Communications Ltd. Pseudorandom noise ranging receiver which compensates for multipath distortion by dynamically adjusting the time delay spacing between early and late correlators
US5414729A (en) 1992-01-24 1995-05-09 Novatel Communications Ltd. Pseudorandom noise ranging receiver which compensates for multipath distortion by making use of multiple correlator time delay spacing
US5398034A (en) * 1993-03-29 1995-03-14 Stanford Telecommunications, Inc. Vector delay lock loop processing of radiolocation transmitter signals
US5859874A (en) * 1994-05-09 1999-01-12 Globalstar L.P. Multipath communication system optimizer
US5600670A (en) * 1994-12-21 1997-02-04 Trimble Navigation, Ltd. Dynamic channel allocation for GPS receivers
US5901171A (en) * 1996-03-15 1999-05-04 Sirf Technology, Inc. Triple multiplexing spread spectrum receiver
US5966403A (en) * 1996-07-19 1999-10-12 Trimble Navigation Limited Code multipath error estimation using weighted correlations
JP3690899B2 (en) * 1997-05-30 2005-08-31 富士通株式会社 Clock generation circuit and semiconductor device

Also Published As

Publication number Publication date
US6345068B1 (en) 2002-02-05
CN1401083A (en) 2003-03-05
EP1256014A1 (en) 2002-11-13
WO2001061372A1 (en) 2001-08-23
CN1233128C (en) 2005-12-21
JP2003523522A (en) 2003-08-05

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