JP7110532B2 - アレイ給電反射鏡アンテナ - Google Patents
アレイ給電反射鏡アンテナ Download PDFInfo
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- JP7110532B2 JP7110532B2 JP2021512452A JP2021512452A JP7110532B2 JP 7110532 B2 JP7110532 B2 JP 7110532B2 JP 2021512452 A JP2021512452 A JP 2021512452A JP 2021512452 A JP2021512452 A JP 2021512452A JP 7110532 B2 JP7110532 B2 JP 7110532B2
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- Prior art keywords
- reflector
- feed array
- afr
- array
- feed
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/12—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave
- H01Q19/17—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave the primary radiating source comprising two or more radiating elements
-
- 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
- H01Q1/1264—Adjusting different parts or elements of an aerial unit
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/14—Reflecting surfaces; Equivalent structures
- H01Q15/147—Reflecting surfaces; Equivalent structures provided with means for controlling or monitoring the shape of the reflecting surface
-
- 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
- H01Q3/12—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 relative movement between primary active elements and secondary devices of antennas or antenna systems
- H01Q3/16—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 relative movement between primary active elements and secondary devices of antennas or antenna systems for varying relative position of primary active element and a reflecting 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
- H01Q3/12—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 relative movement between primary active elements and secondary devices of antennas or antenna systems
- H01Q3/16—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 relative movement between primary active elements and secondary devices of antennas or antenna systems for varying relative position of primary active element and a reflecting device
- H01Q3/18—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 relative movement between primary active elements and secondary devices of antennas or antenna systems for varying relative position of primary active element and a reflecting device wherein the primary active element is movable and the reflecting device is fixed
-
- 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
- H01Q3/12—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 relative movement between primary active elements and secondary devices of antennas or antenna systems
- H01Q3/16—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 relative movement between primary active elements and secondary devices of antennas or antenna systems for varying relative position of primary active element and a reflecting device
- H01Q3/20—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 relative movement between primary active elements and secondary devices of antennas or antenna systems for varying relative position of primary active element and a reflecting device wherein the primary active element is fixed and the reflecting device is movable
-
- 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
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Aviation & Aerospace Engineering (AREA)
- Aerials With Secondary Devices (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Description
[他の可能な請求項]
アレイ給電反射鏡(AFR)アンテナアセンブリであって、
フィードアレイおよび反射鏡を有するAFRアンテナと、
上記反射鏡の焦点領域が、上記フィードアレイの位置に対して移動可能となるように、上記反射鏡の位置を、上記フィードアレイの上記位置に対して移動させる機構と、
を備え、
上記機構は、上記AFRアンテナがフルフォーカスAFR、フルデフォーカスAFR、および部分デフォーカスAFRとして構成可能なように、上記反射鏡の上記位置を、上記フィードアレイの上記位置に対して移動させるように構成される、AFRアンテナアセンブリ。
上記機構は、上記反射鏡が上記フィードアレイに対してズーム可能となるように、上記反射鏡をフィードアレイ取り付け部に結合させる伸縮アームを含む、項目1に記載のAFRアンテナアセンブリ。
上記反射鏡は、上記伸縮アームにより提供される、上記反射鏡と、上記フィードアレイとの間の最大距離に基づいて構成されるサイズを有する、項目1または項目2に記載のAFRアンテナアセンブリ。
上記機構は、上記反射鏡の向きを、上記フィードアレイの向きに対して傾斜させる手段を含む、前述の項目のいずれか一項に記載のAFRアンテナアセンブリ。
上記反射鏡の表面に成形機能を適用する手段を備え、
上記成形機能を適用する手段は、上記反射鏡の表面の、1または複数の可動部に結合される、1または複数のアクチュエータを含む、前述の項目のいずれか一項に記載のAFRアンテナアセンブリ。
上記AFRアンテナはマルチビームアンテナである、前述の項目のいずれか一項に記載のAFRアンテナアセンブリ。
前述の項目のいずれか一項に記載のAFRアンテナアセンブリと、
上記機構の駆動を制御するために地上局から信号を受信する制御手段と、
を備えるシステム。
上記反射鏡と、上記フィードアレイとの相対位置に基づいて、上記反射鏡の上記表面に対する最適な成形機能を決定する最適化手段をさらに備える、項目5に従属する場合の、項目7に記載のシステム。
Claims (8)
- アレイ給電反射鏡(AFR)アンテナアセンブリであって、
フィードアレイおよび反射鏡を有するAFRアンテナと、
前記反射鏡の焦点領域が、前記フィードアレイの位置に対して移動可能となるように、前記反射鏡の位置を、前記フィードアレイの前記位置に対して移動させる機構と、
を備え、
前記反射鏡の表面のプロファイルは、前記AFRアンテナがマルチビームカバレッジを持つよう、前記フィードアレイの各々のフィードが複数のビームを生成するようなものであり、
前記機構は、前記複数のビームの各々が、フルフォーカス、フルデフォーカス、または、部分デフォーカスとなるように、前記反射鏡の前記位置を、前記フィードアレイの前記位置に対して移動させるように構成される、AFRアンテナアセンブリ。 - 前記機構は、前記反射鏡が前記フィードアレイに対してズーム可能となるように、前記反射鏡をフィードアレイ取り付け部に結合させる伸縮アームを含む、請求項1に記載のAFRアンテナアセンブリ。
- 前記反射鏡は、前記伸縮アームにより提供される、前記反射鏡と、前記フィードアレイとの間の最大距離に基づいて構成されるサイズを有する、請求項2に記載のAFRアンテナアセンブリ。
- 前記機構は、前記反射鏡の向きを、前記フィードアレイの向きに対して傾斜させる手段を含む、請求項1から3のいずれか一項に記載のAFRアンテナアセンブリ。
- 前記反射鏡の表面に成形機能を適用する手段を備え、
前記成形機能を適用する手段は、前記反射鏡の表面の、1または複数の可動部に結合される、1または複数のアクチュエータを含む、請求項1から4のいずれか一項に記載のAFRアンテナアセンブリ。 - 請求項1から4のいずれか一項に記載のAFRアンテナアセンブリと、
前記機構の駆動を制御するために地上局から信号を受信する制御手段と、
を備えるシステム。 - 請求項5に記載のAFRアンテナアセンブリと、
前記機構の駆動を制御するために地上局から信号を受信する制御手段と、
を備えるシステム。 - 前記反射鏡と、前記フィードアレイとの相対位置に基づいて、前記反射鏡の前記表面に対する最適な成形機能を決定する最適化手段をさらに備える、請求項7に記載のシステム。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1811459.5 | 2018-07-12 | ||
GBGB1811459.5A GB201811459D0 (en) | 2018-07-12 | 2018-07-12 | Reconfigurable active array-fed reflector antenna |
EP18290107.4A EP3595088A1 (en) | 2018-07-12 | 2018-09-25 | Array-fed reflector antenna |
EP18290107.4 | 2018-09-25 | ||
PCT/EP2019/068880 WO2020012007A1 (en) | 2018-07-12 | 2019-07-12 | Array-fed reflector antenna |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2021524723A JP2021524723A (ja) | 2021-09-13 |
JPWO2020012007A5 JPWO2020012007A5 (ja) | 2022-04-18 |
JP7110532B2 true JP7110532B2 (ja) | 2022-08-02 |
Family
ID=63272973
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021512452A Active JP7110532B2 (ja) | 2018-07-12 | 2019-07-12 | アレイ給電反射鏡アンテナ |
Country Status (8)
Country | Link |
---|---|
US (2) | US11831075B2 (ja) |
EP (2) | EP3595088A1 (ja) |
JP (1) | JP7110532B2 (ja) |
CN (1) | CN112470341A (ja) |
AU (1) | AU2019301232B2 (ja) |
ES (1) | ES2874538T3 (ja) |
GB (1) | GB201811459D0 (ja) |
WO (1) | WO2020012007A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11658869B2 (en) * | 2021-04-09 | 2023-05-23 | Huawei Technologies Co., Ltd. | Method and apparatus for configuring a communication network using a connectivity metric |
FR3122410A1 (fr) | 2021-04-30 | 2022-11-04 | Airbus Defence And Space Sas | Satellite réflecteur et ensemble satellitaire comprenant un tel satellite |
US11606285B2 (en) | 2021-05-07 | 2023-03-14 | Huawei Technologies Co., Ltd. | Method and apparatus for configuring a communication network using a distance metric |
CN113815909B (zh) * | 2021-09-09 | 2023-10-27 | 中国人民解放军63920部队 | 对等模式组合构型航天器的上行链路确定方法及装置 |
US11705630B1 (en) | 2022-04-05 | 2023-07-18 | Maxar Space Llc | Antenna with movable feed |
Citations (1)
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JP2006304196A (ja) | 2005-04-25 | 2006-11-02 | Mitsubishi Electric Corp | ビーム走査反射鏡アンテナ |
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-
2018
- 2018-07-12 GB GBGB1811459.5A patent/GB201811459D0/en not_active Ceased
- 2018-09-25 EP EP18290107.4A patent/EP3595088A1/en not_active Withdrawn
-
2019
- 2019-07-12 JP JP2021512452A patent/JP7110532B2/ja active Active
- 2019-07-12 WO PCT/EP2019/068880 patent/WO2020012007A1/en active Search and Examination
- 2019-07-12 EP EP19737143.8A patent/EP3714510B1/en active Active
- 2019-07-12 AU AU2019301232A patent/AU2019301232B2/en active Active
- 2019-07-12 ES ES19737143T patent/ES2874538T3/es active Active
- 2019-07-12 US US17/259,918 patent/US11831075B2/en active Active
- 2019-07-12 CN CN201980046274.5A patent/CN112470341A/zh active Pending
-
2023
- 2023-11-02 US US18/386,526 patent/US20240063551A1/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006304196A (ja) | 2005-04-25 | 2006-11-02 | Mitsubishi Electric Corp | ビーム走査反射鏡アンテナ |
Also Published As
Publication number | Publication date |
---|---|
ES2874538T3 (es) | 2021-11-05 |
WO2020012007A1 (en) | 2020-01-16 |
GB201811459D0 (en) | 2018-08-29 |
US11831075B2 (en) | 2023-11-28 |
EP3595088A1 (en) | 2020-01-15 |
US20240063551A1 (en) | 2024-02-22 |
AU2019301232B2 (en) | 2021-05-27 |
AU2019301232A1 (en) | 2021-04-01 |
US20210296780A1 (en) | 2021-09-23 |
CN112470341A (zh) | 2021-03-09 |
EP3714510A1 (en) | 2020-09-30 |
JP2021524723A (ja) | 2021-09-13 |
EP3714510B1 (en) | 2021-04-21 |
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