IN189921B - - Google Patents

Info

Publication number
IN189921B
IN189921B IN429MA1995A IN189921B IN 189921 B IN189921 B IN 189921B IN 429MA1995 A IN429MA1995 A IN 429MA1995A IN 189921 B IN189921 B IN 189921B
Authority
IN
India
Application number
Other languages
English (en)
Inventor
Samuel Munoz-Garcia
Shinichi Nomoto
Peter Poskett
Dennis Mullins
Ben Hutchison
Patrick Chomet
Original Assignee
Inmarsat Ltd
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 Inmarsat Ltd filed Critical Inmarsat Ltd
Publication of IN189921B publication Critical patent/IN189921B/en

Links

Classifications

    • 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
    • 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
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/22—Antenna units of the array energised non-uniformly in amplitude or phase, e.g. tapered array or binomial array
    • 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
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Details Of Aerials (AREA)
  • Radio Relay Systems (AREA)
IN429MA1995 1994-04-18 1995-04-07 IN189921B (en, 2012)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9407669A GB2288913B (en) 1994-04-18 1994-04-18 Satellite payload apparatus with beamformer

Publications (1)

Publication Number Publication Date
IN189921B true IN189921B (en, 2012) 2003-05-10

Family

ID=10753720

Family Applications (1)

Application Number Title Priority Date Filing Date
IN429MA1995 IN189921B (en, 2012) 1994-04-18 1995-04-07

Country Status (11)

Country Link
US (1) US6340948B1 (en, 2012)
EP (2) EP0982803A3 (en, 2012)
JP (2) JP3373524B2 (en, 2012)
CN (3) CN1081395C (en, 2012)
AU (1) AU2080895A (en, 2012)
DE (1) DE69514650T2 (en, 2012)
GB (2) GB2324912B (en, 2012)
IN (1) IN189921B (en, 2012)
RU (1) RU2162260C2 (en, 2012)
WO (1) WO1995028747A2 (en, 2012)
ZA (1) ZA952935B (en, 2012)

Families Citing this family (71)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0851628A1 (en) 1996-12-23 1998-07-01 ICO Services Ltd. Key distribution for mobile network
GB2315644A (en) * 1996-07-18 1998-02-04 Motorola Inc Geosynchronous communications satellite system with reconfigurable service area
GB2319696B (en) 1996-11-20 2001-08-01 Internat Mobile Satellite Orga Communication method and apparatus
EP0869628A1 (en) 1997-04-01 1998-10-07 ICO Services Ltd. Interworking between telecommunications networks
DE69702308T2 (de) 1997-07-11 2000-12-28 Ico Services Ltd., London Web-Zugang für Benutzer in einem Fahrzeug
GB2332305B (en) * 1997-12-11 2002-08-07 Motorola Ltd Signal processing system
EP0954117A1 (en) 1998-04-30 1999-11-03 ICO Services Ltd. Transmission quality reporting
EP0967739A1 (en) 1998-06-24 1999-12-29 ICO Services Ltd. Measurement of cellular environment in idle mode and transmission to central at beginning of call
US6160519A (en) * 1998-08-21 2000-12-12 Raytheon Company Two-dimensionally steered antenna system
EP1056222A1 (en) 1999-05-24 2000-11-29 ICO Services Ltd. Data multiplexing for diversity operation
SE518207C2 (sv) 1999-09-10 2002-09-10 Ericsson Telefon Ab L M Gles gruppantenn
GB2365677A (en) * 2000-02-29 2002-02-20 Ico Services Ltd Satellite communications with satellite routing according to channels assignment
FR2811480B1 (fr) * 2000-07-06 2006-09-08 Cit Alcatel Antenne de telecommunication destinee a couvrir une large zone terrestre
KR20030024777A (ko) * 2000-07-10 2003-03-26 앤드류 코포레이션 셀룰러 안테나
US7639196B2 (en) 2001-07-10 2009-12-29 Andrew Llc Cellular antenna and systems and methods therefor
US6504516B1 (en) * 2001-07-20 2003-01-07 Northrop Grumman Corporation Hexagonal array antenna for limited scan spatial applications
RU2207722C2 (ru) * 2001-07-27 2003-06-27 Военный университет связи Устройство для многонаправленной связи
US20030134594A1 (en) * 2002-01-11 2003-07-17 Lane Daniel R. Downlink switching mechanism for a satellite
CA2514959C (en) * 2003-01-28 2012-05-01 The Boeing Company Systems and methods for digital processing of satellite communications data
US20040157645A1 (en) * 2003-02-12 2004-08-12 Smith Adrian David System and method of operation an array antenna in a distributed wireless communication network
US6992621B2 (en) * 2003-03-07 2006-01-31 Vivato, Inc. Wireless communication and beam forming with passive beamformers
BRPI0410393A (pt) * 2003-05-17 2006-07-18 Quintel Technology Ltd sistema de antena de arranjo faseado com inclinação elétrica ajustável e incluindo um arranjo de elementos de antena, e, método de ajustar a inclinação elétrica de um sistema de antena de arranjo faseado
CN100455075C (zh) * 2003-06-05 2009-01-21 中兴通讯股份有限公司 空间多波束馈电网络的实现装置
US8018390B2 (en) 2003-06-16 2011-09-13 Andrew Llc Cellular antenna and systems and methods therefor
US7427962B2 (en) 2003-06-16 2008-09-23 Andrew Corporation Base station antenna rotation mechanism
FR2857524B1 (fr) * 2003-07-11 2005-09-23 Cit Alcatel Dispositif d'amplification pour satellite
US6965279B2 (en) * 2003-07-18 2005-11-15 Ems Technologies, Inc. Double-sided, edge-mounted stripline signal processing modules and modular network
US7205937B2 (en) * 2004-04-29 2007-04-17 L-3 Integrated Systems Company Non-multiple delay element values for phase shifting
DE102004027290A1 (de) * 2004-06-04 2005-12-29 Siemens Ag Empfang von Signalen in einem Funkkommunikationssystem mittels zweier Richtcharakteristiken
US7463191B2 (en) * 2004-06-17 2008-12-09 New Jersey Institute Of Technology Antenna beam steering and tracking techniques
RU2282921C1 (ru) * 2005-03-18 2006-08-27 Закрытое акционерное общество "НПО Космического Приборостроения" Способ получения требуемого фазового распределения на элементах пространственной фазированной антенной решетки и пространственная фазированная антенная решетка (варианты)
CN100435414C (zh) * 2006-01-23 2008-11-19 京信通信技术(广州)有限公司 差分相位连续可变的波束形成网络
CN101582715B (zh) * 2006-09-26 2013-05-15 维尔塞特公司 改进的点波束卫星系统
JP5213876B2 (ja) * 2006-12-20 2013-06-19 アストリウム・リミテッド ビーム形成システム及び方法
RU2342749C1 (ru) * 2007-03-30 2008-12-27 Александр Иосифович Иванов Комплекс с многоэлементной фазированной антенной решеткой
WO2008139219A2 (en) * 2007-05-10 2008-11-20 Astrium Limited Signal processing system
CN101520507B (zh) * 2007-07-20 2012-03-21 通用汽车环球科技运作公司 低成本近程雷达
EP2110883A1 (en) * 2008-04-14 2009-10-21 Nederlandse Organisatie voor toegepast-natuurwetenschappelijk Onderzoek TNO Array antenna
KR101490795B1 (ko) * 2008-04-25 2015-02-09 삼성전자주식회사 빔 형성기 및 빔 형성 방법
US8125917B2 (en) * 2008-10-10 2012-02-28 Avaya Inc. Optimisation of transmission parameters of access points in wireless networks
EP2641403A1 (en) * 2010-11-18 2013-09-25 Aereo, Inc. System and method for providing network access to antenna feeds
RU2449431C1 (ru) * 2010-12-20 2012-04-27 Государственное образовательное учреждение высшего профессионального образования "Новосибирский государственный технический университет" Многоэлементная свч нагрузка
CA2827505A1 (en) 2011-02-18 2012-08-23 Aereo, Inc. Cloud based location shifting service
JP2012222725A (ja) * 2011-04-13 2012-11-12 Toshiba Corp アクティブアレイアンテナ装置
WO2013063134A1 (en) 2011-10-26 2013-05-02 Aereo, Inc. Method and system for assigning antennas in dense array
CA2866294C (en) * 2012-03-05 2017-01-17 Huawei Technologies Co., Ltd. Antenna system
RU2538291C2 (ru) * 2012-12-27 2015-01-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Московский авиационный институт (национальный исследовательский университет)" Способ снижения уровня бокового излучения антенны
US20140273814A1 (en) * 2013-03-15 2014-09-18 L-3 Communications Corp. High frequency mixer, method and system
CN105098383B (zh) * 2014-05-14 2019-01-25 华为技术有限公司 多波束天线系统及其相位调节方法和双极化天线系统
RU2573822C2 (ru) * 2014-05-20 2016-01-27 Открытое акционерное общество "НИИ измерительных приборов-Новосибирский завод имени Коминтерна" (ОАО "НПО НИИИП-НЗиК") Способ защиты обзорной радиолокационной станции с фазированной антенной решеткой от помех
TWI544829B (zh) * 2014-06-16 2016-08-01 智邦科技股份有限公司 無線網路裝置與無線網路控制方法
US9745083B2 (en) * 2015-04-01 2017-08-29 Worldvu Satellites Limited Method for thermal stabilization of a communications satellite
US11018425B1 (en) * 2015-05-01 2021-05-25 Rockwell Collins, Inc. Active electronically scanned array with power amplifier drain bias tapering for optimal power added efficiency
CN104934675B (zh) * 2015-06-23 2018-01-05 西安空间无线电技术研究所 一种用于星载轻型sar的大功率合成器和合成方法
WO2016208661A1 (ja) * 2015-06-25 2016-12-29 国立大学法人京都大学 レーダ装置
MY186707A (en) 2015-12-31 2021-08-11 Viasat Inc Broadband satellite communication system using optical feeder links
US10637154B2 (en) * 2016-06-10 2020-04-28 Intel IP Corporation Array antenna arrangement
US9917623B1 (en) 2016-08-01 2018-03-13 Space Systems/Loral, Llc Digital beamforming architecture
CN107395267A (zh) * 2017-08-28 2017-11-24 王洋 一种ais多天线多通道信号模拟器
CN111164830B (zh) 2017-10-13 2021-05-11 劲通开曼有限公司 用于高架和阻碍部署的蜂窝天线
CN110212312B (zh) * 2018-02-28 2021-02-23 华为技术有限公司 一种天线装置及相关设备
US11502418B2 (en) * 2018-06-05 2022-11-15 European Space Agency Network for forming multiple beams from a planar array
RU2696366C1 (ru) * 2018-09-28 2019-08-01 Акционерное общество "Всероссийский научно-исследовательский институт радиотехники" Адаптивная антенная решетка с предварительным формированием диаграмм направленности каналов
IL267705B (en) 2019-06-27 2022-05-01 Satixfy Uk Ltd A system and method for an instance array
FR3098024B1 (fr) * 2019-06-27 2022-06-03 Thales Sa Formateur analogique multifaisceaux bidimensionnel de complexité réduite pour antennes réseaux actives reconfigurables
IL293634A (en) * 2020-01-09 2022-08-01 Viasat Inc Multi-beam phased array antenna with disjoint sets of subarrays
KR102700299B1 (ko) * 2020-04-02 2024-08-28 텔레폰악티에볼라겟엘엠에릭슨(펍) 아날로그 빔 스티어링을 위한 방법 및 송신기
GB2601815B (en) * 2020-12-11 2023-05-03 Cambium Networks Ltd Establishing wireless communication in a system forming a beam by selecting from a pre-determined plurality of antenna weight vectors
EP4260482A1 (en) 2020-12-11 2023-10-18 Cambium Networks Ltd Establishing wireless communication in a system forming a beam by selecting from a pre-determined plurality of antenna weight vectors
JP7712668B2 (ja) * 2021-11-04 2025-07-24 国立研究開発法人宇宙航空研究開発機構 アンテナバラン、およびアンテナバランを用いたアンテナアレイシステム
CN116918175A (zh) * 2022-02-17 2023-10-20 京东方科技集团股份有限公司 天线及显示装置

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3979754A (en) * 1975-04-11 1976-09-07 Raytheon Company Radio frequency array antenna employing stacked parallel plate lenses
US4090203A (en) * 1975-09-29 1978-05-16 Trw Inc. Low sidelobe antenna system employing plural spaced feeds with amplitude control
DE3006528A1 (de) * 1979-02-21 1980-09-11 Ford Aerospace & Communication Mehrstrahlantenne sowie verfahren zur erzeugung wenigstens einer nullstelle in einem antennenstrahlungsdiagramm mit breiter strahlbedeckung
US4424500A (en) * 1980-12-29 1984-01-03 Sperry Corporation Beam forming network for a multibeam antenna
US4356461A (en) * 1981-01-14 1982-10-26 The Bendix Corporation Practical implementation of large Butler matrices
GB2130798B (en) * 1982-10-06 1986-02-12 Standard Telephones Cables Ltd Digital beam-forming radar
US4503436A (en) 1982-12-10 1985-03-05 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Beam forming network
GB2140974B (en) * 1983-06-03 1987-02-25 Decca Ltd Microstrip planar feed lattice
JPS6178213A (ja) 1984-09-25 1986-04-21 Nippon Telegr & Teleph Corp <Ntt> 電力増幅装置
US4813036A (en) 1985-11-27 1989-03-14 National Exchange, Inc. Fully interconnected spot beam satellite communication system
US4721960A (en) 1986-07-15 1988-01-26 Canadian Marconi Company Beam forming antenna system
US4879711A (en) 1986-08-14 1989-11-07 Hughes Aircraft Company Satellite communications system employing frequency reuse
CA1226934A (en) 1986-09-26 1987-09-15 Henry Downs Reconfigurable beam-forming network that provides in- phase power to each region
GB8627560D0 (en) * 1986-11-18 1987-03-18 Barr & Stroud Ltd Submarine periscope systems
US4872015A (en) * 1986-12-01 1989-10-03 Hughes Aircraft Company Satellite communications system for mobile users
US4882588A (en) * 1986-12-22 1989-11-21 Hughes Aircraft Company Steerable beam antenna system using butler matrix
SU1580463A1 (ru) * 1987-09-28 1990-07-23 Предприятие П/Я А-1586 Устройство дл возбуждени и приема волноводных мод
US4868886A (en) * 1988-06-14 1989-09-19 Communication Satellite Corporation Combined global/spot beam configuration for satellite communications
US4901085A (en) * 1988-09-23 1990-02-13 Spar Aerospace Limited Divided LLBFN/HMPA transmitted architecture
FR2677493A1 (fr) * 1988-10-04 1992-12-11 Thomson Csf Reseau d'elements rayonnants a topologie autocomplementaire, et antenne utilisant un tel reseau.
FR2638573B1 (fr) 1988-11-03 1991-06-14 Alcatel Espace Antenne a balayage electronique
US4965605A (en) * 1989-05-16 1990-10-23 Hac Lightweight, low profile phased array antenna with electromagnetically coupled integrated subarrays
US5093668A (en) 1989-06-29 1992-03-03 Ball Corporation Multiple-beam array antenna
FR2652452B1 (fr) 1989-09-26 1992-03-20 Europ Agence Spatiale Dispositif d'alimentation d'une antenne a faisceaux multiples.
CA2027456C (en) * 1989-11-08 1995-09-26 Timothy A. Murphy Satellite beam-forming network system having improved beam shaping
US5038150A (en) * 1990-05-14 1991-08-06 Hughes Aircraft Company Feed network for a dual circular and dual linear polarization antenna
SU1732408A1 (ru) * 1990-08-14 1992-05-07 Ленинградский научно-исследовательский радиотехнический институт Адаптивна антенна решетка
GB2248521A (en) * 1990-10-04 1992-04-08 Roke Manor Research Radar antenna arrays
US5162804A (en) * 1991-05-17 1992-11-10 Hughes Aircraft Company Amplitude distributed scanning switch system
FR2677197B1 (fr) 1991-05-31 1994-09-16 Alcatel Espace Systeme de communications par satellites en orbite basse a destination de terminaux mobiles.
FR2690010B1 (fr) * 1992-04-09 1994-05-27 Europ Agence Spatiale Procede de commande d'une antenne a balayage.
US5422647A (en) 1993-05-07 1995-06-06 Space Systems/Loral, Inc. Mobile communication satellite payload

Also Published As

Publication number Publication date
EP0982803A2 (en) 2000-03-01
GB2288913A (en) 1995-11-01
JP3373524B2 (ja) 2003-02-04
WO1995028747A3 (en) 1995-11-23
US6340948B1 (en) 2002-01-22
GB2288913B (en) 1999-02-24
ZA952935B (en) 1995-12-21
DE69514650D1 (de) 2000-02-24
CN1392681A (zh) 2003-01-22
JP2003158417A (ja) 2003-05-30
GB2324912B (en) 1999-02-24
CN1148907A (zh) 1997-04-30
GB2324912A (en) 1998-11-04
RU2162260C2 (ru) 2001-01-20
JPH10503623A (ja) 1998-03-31
GB9407669D0 (en) 1994-06-08
AU2080895A (en) 1995-11-10
EP0982803A3 (en) 2001-10-04
GB9815693D0 (en) 1998-09-16
EP0756762B1 (en) 2000-01-19
CN1081395C (zh) 2002-03-20
EP0756762A1 (en) 1997-02-05
WO1995028747A2 (en) 1995-10-26
CN1392634A (zh) 2003-01-22
DE69514650T2 (de) 2000-07-13

Similar Documents

Publication Publication Date Title
BR9508234A (en, 2012)
IN189921B (en, 2012)
DK0677466T3 (en, 2012)
EP0666525A3 (en, 2012)
EP0666470A3 (en, 2012)
EP0667387A3 (en, 2012)
DE69535748D1 (en, 2012)
BR9509661A (en, 2012)
EP0667627A3 (en, 2012)
BY1704C1 (en, 2012)
DK0685247T3 (en, 2012)
BR7402097U (en, 2012)
ECSMU940035U (en, 2012)
ECSMU940033U (en, 2012)
ECSDI940198S (en, 2012)
ECSDI940193S (en, 2012)
ECSDI940192S (en, 2012)
ECSDI940191S (en, 2012)
ECSDI940184S (en, 2012)
CU22450A3 (en, 2012)
EP0662420A3 (en, 2012)
ECSDI940181S (en, 2012)
BRPI9401073A2 (en, 2012)
CN3025919S (en, 2012)
CN3023738S (en, 2012)