WO1999034475A3 - Robust antenna tracking system - Google Patents

Robust antenna tracking system Download PDF

Info

Publication number
WO1999034475A3
WO1999034475A3 PCT/US1998/027807 US9827807W WO9934475A3 WO 1999034475 A3 WO1999034475 A3 WO 1999034475A3 US 9827807 W US9827807 W US 9827807W WO 9934475 A3 WO9934475 A3 WO 9934475A3
Authority
WO
WIPO (PCT)
Prior art keywords
satellite
labeled primary
system labeled
satellites
comparing
Prior art date
Application number
PCT/US1998/027807
Other languages
French (fr)
Other versions
WO1999034475A2 (en
Inventor
Nicholas Paraskevopoulos
Frank Fischer
Original Assignee
Galaxis Usa Ltd
Nicholas Paraskevopoulos
Frank Fischer
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 Galaxis Usa Ltd, Nicholas Paraskevopoulos, Frank Fischer filed Critical Galaxis Usa Ltd
Priority to AU25571/99A priority Critical patent/AU2557199A/en
Publication of WO1999034475A2 publication Critical patent/WO1999034475A2/en
Publication of WO1999034475A3 publication Critical patent/WO1999034475A3/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
    • H01Q3/08—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole for varying two co-ordinates of the orientation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/125—Means for positioning
    • H01Q1/1257—Means for positioning using the received signal strength
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/18—Means for stabilising antennas on an unstable platform
    • H01Q1/185—Means for stabilising antennas on an unstable platform by electronic means

Landscapes

  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)

Abstract

A robust antenna tracking system apparatus (10) is capable of quickly and accurately tracking satellites without the use of a compass under adverse conditions while being subjected to large torque stress and being weatherproof. The apparatus can be attached to a ship or land vehicle and can be used while the vehicle is in motion. Upon the customer choosing a satellite from which to receive signals (202), the invention acquires a satellite by scanning the sky to locate a system labeled primary satellite (204). The identification of the system labeled primary satellite is accomplished by comparing the leading and falling edges of rf-signal pulse (220a), comparing beacon signal transmissions (220b), comparing the relative positioning of other satellites (220c), or determining the angle of elevation of the satellite relative to the horizon (220d). Upon identifying the system labeled primary satellite, the customer chosen satellite is located by calculating its position relative to the system labeled primary satellite (300, 302), and then verifying (306) the customer chosen satellite through on the four identifying means used for the system labeled primary satellite (220a, 220b, 220c and 220d). Satellites are tracked by measuring the increase and decrease in signal strength (308, 310a and 310b) as the antenna is moved a known distance within the satellite's range.
PCT/US1998/027807 1997-12-30 1998-12-29 Robust antenna tracking system WO1999034475A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU25571/99A AU2557199A (en) 1997-12-30 1998-12-29 Robust antenna tracking system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US7020197P 1997-12-30 1997-12-30
US60/070,201 1997-12-30

Publications (2)

Publication Number Publication Date
WO1999034475A2 WO1999034475A2 (en) 1999-07-08
WO1999034475A3 true WO1999034475A3 (en) 1999-09-16

Family

ID=22093797

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1998/027807 WO1999034475A2 (en) 1997-12-30 1998-12-29 Robust antenna tracking system

Country Status (2)

Country Link
AU (1) AU2557199A (en)
WO (1) WO1999034475A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2345214B (en) 1998-10-16 2003-11-05 British Sky Broadcasting Ltd An antenna alignment meter
DE19954531A1 (en) * 1999-11-12 2002-07-18 Rr Elektronische Geraete Gmbh Method for driving a selected satellite and control unit for aligning a pivotable antenna
DE10028515A1 (en) * 2000-06-08 2002-01-03 Trend Network Ag Procedures for presenting information
US7528773B2 (en) 2005-06-24 2009-05-05 Delphi Technologies, Inc. Satellite beacon for faster sky-search and pointing error identification
DE102007049595B8 (en) 2007-10-15 2010-03-18 Deutsches Zentrum für Luft- und Raumfahrt e.V. A method of aligning a directional antenna of a satellite communication terminal

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5043737A (en) * 1990-06-05 1991-08-27 Hughes Aircraft Company Precision satellite tracking system
US5274382A (en) * 1992-07-06 1993-12-28 Datron Systems, Incorporated Antenna system for tracking of satellites
US5471219A (en) * 1992-11-18 1995-11-28 Winegard Company Method for automatically positioning a satellite dish antenna to satellites in a geosynchronous belt

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5043737A (en) * 1990-06-05 1991-08-27 Hughes Aircraft Company Precision satellite tracking system
US5274382A (en) * 1992-07-06 1993-12-28 Datron Systems, Incorporated Antenna system for tracking of satellites
US5471219A (en) * 1992-11-18 1995-11-28 Winegard Company Method for automatically positioning a satellite dish antenna to satellites in a geosynchronous belt

Also Published As

Publication number Publication date
WO1999034475A2 (en) 1999-07-08
AU2557199A (en) 1999-07-19

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