CA2027456C - Reseau ameliore de mise en forme de faisceau pour systeme de communication par satellite - Google Patents

Reseau ameliore de mise en forme de faisceau pour systeme de communication par satellite

Info

Publication number: CA2027456C
Authority: CA; Canada
Prior art keywords: signals; additional; beams; target area; array
Prior art date: 1989-11-08
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

CA 2027456

Other languages

English (en)

Other versions

CA2027456A1 (fr

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.)

1989-11-08

Filing date

1990-10-12

Publication date

1995-09-26

1990-10-12 Application filed by Hughes Aircraft Co filed Critical Hughes Aircraft Co

1991-05-09 Publication of CA2027456A1 publication Critical patent/CA2027456A1/fr

1995-09-26 Application granted granted Critical

1995-09-26 Publication of CA2027456C publication Critical patent/CA2027456C/fr

2010-10-12 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

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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

Landscapes

Aerials With Secondary Devices (AREA)
Variable-Direction Aerials And Aerial Arrays (AREA)

CA 2027456 1989-11-08 1990-10-12 Reseau ameliore de mise en forme de faisceau pour systeme de communication par satellite Expired - Fee Related CA2027456C (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US43405989A	1989-11-08	1989-11-08
US434,059		1989-11-08

Publications (2)

Publication Number	Publication Date
CA2027456A1 CA2027456A1 (fr)	1991-05-09
CA2027456C true CA2027456C (fr)	1995-09-26

Family

ID=23722654

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA 2027456 Expired - Fee Related CA2027456C (fr)	1989-11-08	1990-10-12	Reseau ameliore de mise en forme de faisceau pour systeme de communication par satellite

Country Status (5)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE69229678T2 (de) *	1991-10-28	2000-04-06	Teledesic Llc, Kirkland	Satellitenkommunikationssystem
GB2288913B (en) *	1994-04-18	1999-02-24	Int Maritime Satellite Organiz	Satellite payload apparatus with beamformer
WO2012161612A1 (fr)	2011-05-23	2012-11-29	Autonomous Non-Commercial Organization "Research Institute "Sitronics Labs""	Dispositif d'antenne à faisceau orientable électroniquement
RU2530330C1 (ru)	2013-03-22	2014-10-10	Общество с ограниченной ответственностью "Радио Гигабит"	Станция радиорелейной связи со сканирующей антенной
RU2595941C2 (ru)	2014-05-06	2016-08-27	Общество с ограниченной ответственностью "Радио Гигабит"	Система радиорелейной связи с подстройкой луча
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
IT202000005458A1 (it) *	2020-03-13	2021-09-13	Torino Politecnico	Sistema e metodo per individuare spazialmente corpi estranei all'interno di un prodotto in base a caratteristiche dielettriche di detto prodotto

Family Cites Families (2)

* 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
JP2839274B2 (ja) *	1986-12-22	1998-12-16	ヒューズ・エアクラフト・カンパニー	アンテナシステム

1990
- 1990-10-12 CA CA 2027456 patent/CA2027456C/fr not_active Expired - Fee Related
- 1990-10-17 AU AU64765/90A patent/AU624742B2/en not_active Ceased
- 1990-11-06 DE DE1990621993 patent/DE69021993T2/de not_active Expired - Fee Related
- 1990-11-06 EP EP19900121219 patent/EP0427201B1/fr not_active Expired - Lifetime
- 1990-11-08 JP JP30375190A patent/JPH03172003A/ja active Pending

Also Published As

Publication number	Publication date
DE69021993T2 (de)	1996-02-22
EP0427201A3 (en)	1991-12-11
DE69021993D1 (de)	1995-10-05
JPH03172003A (ja)	1991-07-25
EP0427201A2 (fr)	1991-05-15
AU624742B2 (en)	1992-06-18
AU6476590A (en)	1991-05-16
CA2027456A1 (fr)	1991-05-09
EP0427201B1 (fr)	1995-08-30

Legal Events

Date	Code	Title	Description
1990-10-12	EEER	Examination request
1996-04-14	MKLA	Lapsed

Publication	Publication Date	Title
US4882588A (en)	1989-11-21	Steerable beam antenna system using butler matrix
US5576721A (en)	1996-11-19	Composite multi-beam and shaped beam antenna system
US4972151A (en)	1990-11-20	Steered-beam satellite communication system
EP0963006B1 (fr)	2006-03-22	Réseau d'antennes de satellite à commande de phase à faisceaux reconfigurables
US5557292A (en)	1996-09-17	Multiple band folding antenna
US5128687A (en)	1992-07-07	Shared aperture antenna for independently steered, multiple simultaneous beams
US5233358A (en)	1993-08-03	Antenna beam forming system
US5548294A (en)	1996-08-20	Dielectric lens focused scanning beam antenna for satellite communication system
EP0294413B1 (fr)	1993-11-10	Systeme d'antennes a faisceau orientable utilisant une matrice de butler
EP1191628A1 (fr)	2002-03-27	Antenne à réflecteur multifaisceaux avec un réseau de formation de faisceaux simple
US6392611B1 (en)	2002-05-21	Array fed multiple beam array reflector antenna systems and method
EP0466126B1 (fr)	1996-08-28	Procédé et dispositif pour produire plusieurs faisceaux de balayage adressables par fréquence
JPH0552099B2 (fr)	1993-08-04
JPH07105659B2 (ja)	1995-11-13	複数レベルビーム形成回路網
JPH0728175B2 (ja)	1995-03-29	ハイブリッド通信衛星用アンテナシステム
Schneider et al.	2009	The multiple spot beam antenna project “Medusa”
JP3284837B2 (ja)	2002-05-20	分配合成装置とアンテナ装置
US5847681A (en)	1998-12-08	Communication and tracking antenna systems for satellites
US4388626A (en)	1983-06-14	Phased array antennas using frequency multiplication for reduced numbers of phase shifters
US4460897A (en)	1984-07-17	Scanning phased array antenna system
CA2027456C (fr)	1995-09-26	Reseau ameliore de mise en forme de faisceau pour systeme de communication par satellite
Crosswell et al.	1983	Phased array-fed antenna configuration study
Roederer	1991	Semi-active antennas for narrow scan applications
Thompson et al.	1988	Frequency addressable beams for land mobile communications