SG43672A1 - A pseudorandum noise ranging receiver which compensates for multipath distortion by dynamically adjusting the time delay spacing between early and late correlators - Google Patents

A pseudorandum noise ranging receiver which compensates for multipath distortion by dynamically adjusting the time delay spacing between early and late correlators

Info

Publication number
SG43672A1
SG43672A1 SG1995001647A SG1995001647A SG43672A1 SG 43672 A1 SG43672 A1 SG 43672A1 SG 1995001647 A SG1995001647 A SG 1995001647A SG 1995001647 A SG1995001647 A SG 1995001647A SG 43672 A1 SG43672 A1 SG 43672A1
Authority
SG
Singapore
Prior art keywords
early
prn code
prn
late
composite signal
Prior art date
Application number
SG1995001647A
Other languages
English (en)
Inventor
Patrick Fenton
Dierendonck Albert J Van
Original Assignee
Novatel Communications Limited
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 Novatel Communications Limited filed Critical Novatel Communications Limited
Publication of SG43672A1 publication Critical patent/SG43672A1/en

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
    • 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

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)
  • Noise Elimination (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
SG1995001647A 1992-01-24 1993-01-22 A pseudorandum noise ranging receiver which compensates for multipath distortion by dynamically adjusting the time delay spacing between early and late correlators SG43672A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US82566592A 1992-01-24 1992-01-24

Publications (1)

Publication Number Publication Date
SG43672A1 true SG43672A1 (en) 1997-11-14

Family

ID=25244629

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1995001647A SG43672A1 (en) 1992-01-24 1993-01-22 A pseudorandum noise ranging receiver which compensates for multipath distortion by dynamically adjusting the time delay spacing between early and late correlators

Country Status (9)

Country Link
EP (1) EP0552975B1 (es)
CN (1) CN1031843C (es)
AT (1) ATE187254T1 (es)
AU (1) AU660757B2 (es)
CA (1) CA2087909C (es)
DE (1) DE69327119T2 (es)
DK (1) DK0552975T3 (es)
ES (1) ES2141129T3 (es)
SG (1) SG43672A1 (es)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CA2151737C (en) * 1993-10-14 1999-09-28 Tomohiro Dohi Correlation detector and communication apparatus
US5615232A (en) * 1993-11-24 1997-03-25 Novatel Communications Ltd. Method of estimating a line of sight signal propagation time using a reduced-multipath correlation function
FR2733106B1 (fr) * 1995-04-11 1997-06-06 Asulab Sa Boucle a verrouillage de delai pour utilisation dans un recepteur de signaux gps
US6023489A (en) * 1995-05-24 2000-02-08 Leica Geosystems Inc. Method and apparatus for code synchronization in a global positioning system receiver
CA2229069A1 (en) * 1995-08-09 1997-02-20 Magellan Corporation Multipath error reduction in a spread spectrum receiver for ranging applications
US5953367A (en) * 1995-08-09 1999-09-14 Magellan Corporation Spread spectrum receiver using a pseudo-random noise code for ranging applications in a way that reduces errors when a multipath signal is present
FR2739695B1 (fr) * 1995-10-06 1997-11-07 Sextant Avionique Recepteur large bande a mesure de distance par signaux de code pseudo-aleatoire
FR2741761B1 (fr) * 1995-11-27 1998-02-13 Centre Nat Etd Spatiales Procede de reduction autonome des deuils d'acquisition et de poursuite des codes d'etalement de spectre recus en orbite
JPH09261128A (ja) * 1996-03-22 1997-10-03 Matsushita Electric Ind Co Ltd スペクトル拡散通信機
US5901183A (en) 1996-09-25 1999-05-04 Magellan Corporation Signal correlation technique for a receiver of a spread spectrum signal including a pseudo-random noise code that reduces errors when a multipath signal is present
JPH10303782A (ja) * 1997-04-30 1998-11-13 Matsushita Electric Ind Co Ltd Ｃｄｍａ受信装置
US6263448B1 (en) * 1997-10-10 2001-07-17 Rambus Inc. Power control system for synchronous memory device
US6154821A (en) 1998-03-10 2000-11-28 Rambus Inc. Method and apparatus for initializing dynamic random access memory (DRAM) devices by levelizing a read domain
AU759574B2 (en) * 1998-09-15 2003-04-17 Samsung Electronics Co., Ltd. Method for increasing interference immunity when receiving signals from satellite navigation systems and device for realising the same
GB9826044D0 (en) * 1998-11-28 1999-01-20 Koninkl Philips Electronics Nv Receiver for DS-CDMA signals
DE10061988C2 (de) * 2000-12-13 2003-02-27 Deutsch Zentr Luft & Raumfahrt Vorrichtung und Verfahren zum Berechnen einer Korrelation zwischen einem Empfangssignal und einem Referenzsignal und Simulator
CA2387891A1 (en) 2001-06-08 2002-12-08 Asulab S.A. Radiofrequency signal receiver with means for correcting the effects of multipath signals, and method for activating the receiver
DE60130102T2 (de) * 2001-06-08 2008-05-15 Asulab S.A. Empfänger für Funksignale mit Mitteln zur Korrektur der Mehrwegeffekte und Verfahren
US7995683B2 (en) * 2007-10-24 2011-08-09 Sirf Technology Inc. Noise floor independent delay-locked loop discriminator
FR2936892A1 (fr) * 2008-10-08 2010-04-09 Centre Nat Etd Spatiales Systeme et procede de determination d'un recepteur, et recepteur associe
CN108369264B (zh) * 2015-12-16 2021-08-10 皇家飞利浦有限公司 用于对磁共振成像（mri）系统进行无线通信同步的系统和方法
EP3874292A4 (en) * 2018-11-01 2022-08-17 Hoopo Systems Ltd. METHOD AND SYSTEM FOR RADIOLOCATION IN REDUCED DATA TRANSMISSION

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4754465A (en) * 1984-05-07 1988-06-28 Trimble Navigation, Inc. Global positioning system course acquisition code receiver
JPS61770A (ja) * 1984-06-13 1986-01-06 Sony Corp Ｇｐｓ受信機
EP0247126B1 (en) * 1985-11-30 1990-05-02 FERRANTI INTERNATIONAL plc Tubular acoustic projector
DE3808328C1 (es) * 1988-03-12 1989-06-29 Standard Elektrik Lorenz Ag, 7000 Stuttgart, De
AU643272B2 (en) * 1990-06-04 1993-11-11 Raytheon Company Global positioning system receiver
US5101416A (en) * 1990-11-28 1992-03-31 Novatel Comunications Ltd. Multi-channel digital receiver for global positioning system

Also Published As

Publication number Publication date
DK0552975T3 (da) 2000-03-27
EP0552975A3 (en) 1994-05-25
AU660757B2 (en) 1995-07-06
DE69327119T2 (de) 2000-06-21
EP0552975B1 (en) 1999-12-01
ATE187254T1 (de) 1999-12-15
CA2087909C (en) 2004-04-06
ES2141129T3 (es) 2000-03-16
EP0552975A2 (en) 1993-07-28
AU3197193A (en) 1993-07-29
CN1031843C (zh) 1996-05-22
CN1080059A (zh) 1993-12-29
DE69327119D1 (de) 2000-01-05
CA2087909A1 (en) 1993-07-25

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