MX159402A - Mejoras en sistema de comunicacion por radio - Google Patents

Mejoras en sistema de comunicacion por radio

Info

Publication number
MX159402A
MX159402A MX206629A MX20662985A MX159402A MX 159402 A MX159402 A MX 159402A MX 206629 A MX206629 A MX 206629A MX 20662985 A MX20662985 A MX 20662985A MX 159402 A MX159402 A MX 159402A
Authority
MX
Mexico
Prior art keywords
communication system
radio communication
radio
communication
Prior art date
Application number
MX206629A
Other languages
English (en)
Inventor
Gerard Kitchen O'neill
Leslie O Snively
Original Assignee
Geostar Corp
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 Geostar Corp filed Critical Geostar Corp
Publication of MX159402A publication Critical patent/MX159402A/es

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
    • G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
    • 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/87—Combinations of radar systems, e.g. primary radar and secondary radar
    • G01S13/878—Combination of several spaced transmitters or receivers of known location for determining the position of a transponder or a reflector
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/40—Monitoring; Testing of relay systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/1853—Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service
    • H04B7/18545—Arrangements for managing station mobility, i.e. for station registration or localisation
    • H04B7/18547—Arrangements for managing station mobility, i.e. for station registration or localisation for geolocalisation of a station
    • H04B7/1855—Arrangements for managing station mobility, i.e. for station registration or localisation for geolocalisation of a station using a telephonic control signal, e.g. propagation delay variation, Doppler frequency variation, power variation, beam identification
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/1853—Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service
    • H04B7/18567—Arrangements for providing additional services to the basic mobile satellite telephony service
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/1851—Systems using a satellite or space-based relay
    • H04B7/18513—Transmission in a satellite or space-based system

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Astronomy & Astrophysics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Electromagnetism (AREA)
  • Radio Relay Systems (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
MX206629A 1984-09-14 1985-09-13 Mejoras en sistema de comunicacion por radio MX159402A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/650,493 US4744083A (en) 1984-09-14 1984-09-14 Satellite-based position determining and message transfer system with monitoring of link quality

Publications (1)

Publication Number Publication Date
MX159402A true MX159402A (es) 1989-05-23

Family

ID=24609154

Family Applications (1)

Application Number Title Priority Date Filing Date
MX206629A MX159402A (es) 1984-09-14 1985-09-13 Mejoras en sistema de comunicacion por radio

Country Status (8)

Country Link
US (1) US4744083A (es)
EP (1) EP0174540A3 (es)
JP (1) JPH0815266B2 (es)
AU (1) AU578970B2 (es)
BR (1) BR8504398A (es)
CA (1) CA1249033A (es)
IN (1) IN165055B (es)
MX (1) MX159402A (es)

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Also Published As

Publication number Publication date
EP0174540A3 (en) 1988-03-30
CA1249033A (en) 1989-01-17
IN165055B (es) 1989-08-12
US4744083A (en) 1988-05-10
JPS61112439A (ja) 1986-05-30
EP0174540A2 (en) 1986-03-19
JPH0815266B2 (ja) 1996-02-14
AU4680385A (en) 1986-03-27
BR8504398A (pt) 1986-07-08
AU578970B2 (en) 1988-11-10

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