AU1194801A - Earth-fixed beams from a space vehicle - Google Patents

Earth-fixed beams from a space vehicle

Info

Publication number
AU1194801A
AU1194801A AU11948/01A AU1194801A AU1194801A AU 1194801 A AU1194801 A AU 1194801A AU 11948/01 A AU11948/01 A AU 11948/01A AU 1194801 A AU1194801 A AU 1194801A AU 1194801 A AU1194801 A AU 1194801A
Authority
AU
Australia
Prior art keywords
earth
space vehicle
fixed beams
beams
fixed
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.)
Abandoned
Application number
AU11948/01A
Inventor
Daniel Francis Difonzo
John Wesley Locke
Kenneth Newton Sherman
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.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of AU1194801A publication Critical patent/AU1194801A/en
Abandoned legal-status Critical Current

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
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/28—Adaptation for use in or on aircraft, missiles, satellites, or balloons
    • H01Q1/288—Satellite antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • 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
    • H04B7/204—Multiple access
    • H04B7/2041—Spot beam multiple access
AU11948/01A 1999-11-05 2000-10-10 Earth-fixed beams from a space vehicle Abandoned AU1194801A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US43460199A 1999-11-05 1999-11-05
US09434601 1999-11-05
PCT/US2000/027998 WO2001035494A1 (en) 1999-11-05 2000-10-10 Earth-fixed beams from a space vehicle

Publications (1)

Publication Number Publication Date
AU1194801A true AU1194801A (en) 2001-06-06

Family

ID=23724893

Family Applications (1)

Application Number Title Priority Date Filing Date
AU11948/01A Abandoned AU1194801A (en) 1999-11-05 2000-10-10 Earth-fixed beams from a space vehicle

Country Status (2)

Country Link
AU (1) AU1194801A (en)
WO (1) WO2001035494A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7551680B2 (en) * 2004-10-28 2009-06-23 Interdigital Technology Corporation Wireless communication method and apparatus for forming, steering and selectively receiving a sufficient number of usable beam paths in both azimuth and elevation
CN1316836C (en) * 2005-05-11 2007-05-16 西安海天天线科技股份有限公司 Mobile communication substation based on beam switching type intelligent antenna and beam switching method
CN111641425B (en) * 2020-05-18 2022-06-07 南京华成微波技术有限公司 Implementation mode of low-cost multi-beam radio frequency front end

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5736959A (en) * 1991-10-28 1998-04-07 Teledesic Corporation Earth-fixed cell beam management for satellite communication system using dielectic lens-focused scanning beam antennas
DE69216112T2 (en) * 1991-11-08 1997-06-12 Calling Communications Corp RADIATION COMPENSATION METHOD FOR SATELLITE COMMUNICATION SYSTEM
US5621415A (en) * 1994-11-15 1997-04-15 Teledesic Corporation Linear cell satellite system
US5612701A (en) * 1995-09-18 1997-03-18 Motorola, Inc. Adaptive beam pointing method and apparatus for a communication system
JP3816162B2 (en) * 1996-10-18 2006-08-30 株式会社東芝 Beamwidth control method for adaptive antenna
US6081227A (en) * 1998-01-05 2000-06-27 Motorola, Inc. Method and apparatus for beam management in a satellite communication system

Also Published As

Publication number Publication date
WO2001035494A1 (en) 2001-05-17

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase