AU6476590A - Satellite beam-forming network system having improved beam shaping - Google Patents

Satellite beam-forming network system having improved beam shaping

Info

Publication number
AU6476590A
AU6476590A AU64765/90A AU6476590A AU6476590A AU 6476590 A AU6476590 A AU 6476590A AU 64765/90 A AU64765/90 A AU 64765/90A AU 6476590 A AU6476590 A AU 6476590A AU 6476590 A AU6476590 A AU 6476590A
Authority
AU
Australia
Prior art keywords
network system
forming network
improved
satellite
beam shaping
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.)
Granted
Application number
AU64765/90A
Other versions
AU624742B2 (en
Inventor
Timothy A. Murphy
Kenneth H. Renshaw
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.)
Raytheon Co
Original Assignee
Hughes Aircraft Co
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 Hughes Aircraft Co filed Critical Hughes Aircraft Co
Publication of AU6476590A publication Critical patent/AU6476590A/en
Application granted granted Critical
Publication of AU624742B2 publication Critical patent/AU624742B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • H01Q3/30—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 varying the relative phase between the radiating elements of an array
    • H01Q3/34—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 varying the relative phase between the radiating elements of an array by electrical means
    • H01Q3/40—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 varying the relative phase between the radiating elements of an array by electrical means with phasing matrix
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H01Q25/007—Antennas or antenna systems providing at least two radiating patterns using two or more primary active elements in the focal region of a focusing device
    • 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
    • H01Q3/2611—Means for null steering; Adaptive interference nulling
    • H01Q3/2629—Combination of a main antenna unit with an auxiliary antenna unit
AU64765/90A 1989-11-08 1990-10-17 Satellite beam-forming network system having improved beam shaping Ceased AU624742B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US43405989A 1989-11-08 1989-11-08
US434059 1999-11-04

Publications (2)

Publication Number Publication Date
AU6476590A true AU6476590A (en) 1991-05-16
AU624742B2 AU624742B2 (en) 1992-06-18

Family

ID=23722654

Family Applications (1)

Application Number Title Priority Date Filing Date
AU64765/90A Ceased AU624742B2 (en) 1989-11-08 1990-10-17 Satellite beam-forming network system having improved beam shaping

Country Status (5)

Country Link
EP (1) EP0427201B1 (en)
JP (1) JPH03172003A (en)
AU (1) AU624742B2 (en)
CA (1) CA2027456C (en)
DE (1) DE69021993T2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69229678T2 (en) * 1991-10-28 2000-04-06 Teledesic Llc, Kirkland Satellite communication system
GB2324912B (en) * 1994-04-18 1999-02-24 Int Mobile Satellite Org Beam-forming network
RU2586023C2 (en) 2011-05-23 2016-06-10 Общество с ограниченной ответственностью "Радио Гигабит" Antenna device with electronic beam scanning
RU2530330C1 (en) 2013-03-22 2014-10-10 Общество с ограниченной ответственностью "Радио Гигабит" Radio relay communication station with scanning antenna
RU2595941C2 (en) 2014-05-06 2016-08-27 Общество с ограниченной ответственностью "Радио Гигабит" Radio relay communication system with beam control
US9973266B1 (en) * 2017-06-12 2018-05-15 Ast & Science, Llc System and method for high throughput fractionated satellites (HTFS) for direct connectivity to and from end user devices and terminals using flight formations of small or very small satellites

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4595929A (en) * 1982-04-13 1986-06-17 Communications Satellite Corporation Scheme for aberration correction in scanning or multiple beam confocal antenna system
JPS60196003A (en) * 1984-03-19 1985-10-04 Nippon Telegr & Teleph Corp <Ntt> Multi-beam antenna of low side lobe
AU604082B2 (en) * 1986-12-22 1990-12-06 Hughes Electronics Corporation Steerable beam antenna system using butler matrix

Also Published As

Publication number Publication date
JPH03172003A (en) 1991-07-25
CA2027456C (en) 1995-09-26
EP0427201A3 (en) 1991-12-11
EP0427201A2 (en) 1991-05-15
CA2027456A1 (en) 1991-05-09
AU624742B2 (en) 1992-06-18
EP0427201B1 (en) 1995-08-30
DE69021993D1 (en) 1995-10-05
DE69021993T2 (en) 1996-02-22

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