SG43678A1 - Multi-channel digital receiver for global positioning system - Google Patents

Multi-channel digital receiver for global positioning system

Info

Publication number
SG43678A1
SG43678A1 SG1995001820A SG1995001820A SG43678A1 SG 43678 A1 SG43678 A1 SG 43678A1 SG 1995001820 A SG1995001820 A SG 1995001820A SG 1995001820 A SG1995001820 A SG 1995001820A SG 43678 A1 SG43678 A1 SG 43678A1
Authority
SG
Singapore
Prior art keywords
positioning system
global positioning
digital receiver
channel digital
channel
Prior art date
Application number
SG1995001820A
Other languages
English (en)
Inventor
Kwok-Ki Keith Ng
Patrick Fenton
Thomas J Ford
Original Assignee
Novatel Communications 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24481384&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=SG43678(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Novatel Communications Ltd filed Critical Novatel Communications Ltd
Publication of SG43678A1 publication Critical patent/SG43678A1/en

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
    • G01S19/35—Constructional details or hardware or software details of the signal processing chain
    • G01S19/37—Hardware or software details of the signal processing chain
    • 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
    • G01S19/21—Interference related issues ; Issues related to cross-correlation, spoofing or other methods of denial of service
    • 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
    • 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
    • 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)
  • 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)
  • Circuits Of Receivers In General (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
SG1995001820A 1990-11-28 1991-11-28 Multi-channel digital receiver for global positioning system SG43678A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/619,316 US5101416A (en) 1990-11-28 1990-11-28 Multi-channel digital receiver for global positioning system

Publications (1)

Publication Number Publication Date
SG43678A1 true SG43678A1 (en) 1997-11-14

Family

ID=24481384

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1995001820A SG43678A1 (en) 1990-11-28 1991-11-28 Multi-channel digital receiver for global positioning system

Country Status (6)

Country Link
US (1) US5101416A (fr)
EP (1) EP0488739B2 (fr)
JP (1) JP2931462B2 (fr)
CA (1) CA2055105C (fr)
DE (2) DE488739T1 (fr)
SG (1) SG43678A1 (fr)

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Also Published As

Publication number Publication date
EP0488739B1 (fr) 1996-07-24
EP0488739A1 (fr) 1992-06-03
DE69121066T2 (de) 1997-01-30
DE488739T1 (de) 1995-04-20
JP2931462B2 (ja) 1999-08-09
DE69121066D1 (de) 1996-08-29
DE69121066T3 (de) 2005-07-14
US5101416A (en) 1992-03-31
JPH04269682A (ja) 1992-09-25
EP0488739B2 (fr) 2005-02-09
CA2055105C (fr) 1995-05-02
CA2055105A1 (fr) 1992-05-29

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