FR2812143B1 - Dispositif de positionnement a diversite spatiale a l'aide de signaux radio provenant de satellites - Google Patents

Dispositif de positionnement a diversite spatiale a l'aide de signaux radio provenant de satellites

Info

Publication number
FR2812143B1
FR2812143B1 FR0009615A FR0009615A FR2812143B1 FR 2812143 B1 FR2812143 B1 FR 2812143B1 FR 0009615 A FR0009615 A FR 0009615A FR 0009615 A FR0009615 A FR 0009615A FR 2812143 B1 FR2812143 B1 FR 2812143B1
Authority
FR
France
Prior art keywords
satellites
positioning device
radio signals
spatial diversity
diversity positioning
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 - Fee Related
Application number
FR0009615A
Other languages
English (en)
Other versions
FR2812143A1 (fr
Inventor
Francis Chaminadas
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.)
Sagem SA
Original Assignee
Sagem SA
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 Sagem SA filed Critical Sagem SA
Priority to FR0009615A priority Critical patent/FR2812143B1/fr
Publication of FR2812143A1 publication Critical patent/FR2812143A1/fr
Application granted granted Critical
Publication of FR2812143B1 publication Critical patent/FR2812143B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/084—Equal gain combining, only phase adjustments
    • 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
    • G01S19/14—Receivers specially adapted for specific applications
    • G01S19/18—Military applications
    • 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
    • G01S19/36—Constructional details or hardware or software details of the signal processing chain relating to the receiver frond end
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
FR0009615A 2000-07-21 2000-07-21 Dispositif de positionnement a diversite spatiale a l'aide de signaux radio provenant de satellites Expired - Fee Related FR2812143B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0009615A FR2812143B1 (fr) 2000-07-21 2000-07-21 Dispositif de positionnement a diversite spatiale a l'aide de signaux radio provenant de satellites

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0009615A FR2812143B1 (fr) 2000-07-21 2000-07-21 Dispositif de positionnement a diversite spatiale a l'aide de signaux radio provenant de satellites

Publications (2)

Publication Number Publication Date
FR2812143A1 FR2812143A1 (fr) 2002-01-25
FR2812143B1 true FR2812143B1 (fr) 2003-08-29

Family

ID=8852800

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0009615A Expired - Fee Related FR2812143B1 (fr) 2000-07-21 2000-07-21 Dispositif de positionnement a diversite spatiale a l'aide de signaux radio provenant de satellites

Country Status (1)

Country Link
FR (1) FR2812143B1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4715048A (en) * 1986-05-02 1987-12-22 Canadian Patents And Development Limited Frequency offset diversity receiving system
JP3198514B2 (ja) * 1990-12-27 2001-08-13 株式会社デンソー 車両用ｇｐｓ受信装置
US5742583A (en) * 1994-11-03 1998-04-21 Omnipoint Corporation Antenna diversity techniques

Also Published As

Publication number Publication date
FR2812143A1 (fr) 2002-01-25

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse

Effective date: 20130329