JP7441328B2 - 取り外し可能なヌル化サブアセンブリを使用した、rfビームをヌル化するためのヌル化信号のトリガ生成 - Google Patents
取り外し可能なヌル化サブアセンブリを使用した、rfビームをヌル化するためのヌル化信号のトリガ生成 Download PDFInfo
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- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
- H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
-
- 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
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/18502—Airborne stations
- H04B7/18504—Aircraft used as relay or high altitude atmospheric platform
-
- 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
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Physics & Mathematics (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Mobile Radio Communication Systems (AREA)
Description
本願は、2020年4月2日出願の米国出願第16/838,062号の利益を主張し、その開示全体を参照により本明細書に組み込む。
図1は、上で説明した気球または他の高高度プラットフォームの集団を使用することができる例示的なシステム100を示している。この例は、本開示の範囲または本明細書に記載の機能の有用性を限定するものとみなされるべきではない。システム100は、気球ネットワークとみなされてよい。この例において、気球ネットワーク100は、気球102A~Fならびに地上基地局106および112など、複数のデバイスを含む。気球ネットワーク100は、以下でより詳細に説明する電気通信サービスをサポートする様々なデバイス(図示せず)、またはネットワークに参加してよい他のシステムなど、複数の付加的なデバイスも含んでよい。
(例示的なシステム)
(例示的な方法)
Claims (6)
- 高高度プラットフォーム(HAP)用の通信装置であって、
無線周波数(RF)信号を生成するように構成された送信機と、
前記RF信号に基づきRFビームを生成するように構成された主アンテナシステムであって、
第1の複数のアンテナ素子と
前記送信機と通信する入力部と、複数の出力部とを含む第1の電力分配器と
前記送信機から前記RF信号を受信するよう構成された第1のコンタクト、第2のコンタクト、及び前記RF信号を前記第1の電力分配器に供給するよう構成された第3のコンタクトを含むヌル化起動スイッチと
を有する主アンテナシステムと、
前記主アンテナシステムのインタフェースに対して取り付け可能であり、かつ、前記主アンテナシステムの前記インタフェースから取り外し可能な、前記ヌル化起動スイッチと通信するヌル化サブアセンブリであって、前記ヌル化起動スイッチが制御されて、前記ヌル化サブアセンブリの入力部に前記RF信号が供給されたときにヌル化信号を生成することによって、前記主アンテナシステムにより生成される前記RFビームを修正するように構成された、ヌル化サブアセンブリと
を備え、
前記ヌル化サブアセンブリは、
入力部および複数の出力部を含み、前記RF信号を前記第2のコンタクトから供給されるように構成された第2の電力分配器と
複数の移相器と
複数のヌル化アンテナ素子と
を有し、
前記送信機が、前記ヌル化起動スイッチの前記第1のコンタクトと通信し、
前記ヌル化起動スイッチが閉じられ、それにより前記第1のコンタクトが前記第2のコンタクトに接続されたとき、前記第2の電力分配器の前記入力部に前記RF信号が提供され、前記第2の電力分配器の各出力部が、ヌル化アンテナ素子と直列に接続された移相器を含むそれぞれの処理チェーンに、前記RF信号を供給し、
前記ヌル化起動スイッチが閉じられ、それにより前記第1のコンタクトが前記第3のコンタクトに接続されたとき、前記第1の電力分配器の前記入力部に前記RF信号が提供され、前記第1の電力分配器の各出力部が、前記第1の複数のアンテナ素子に、前記RF信号を供給する、通信装置。 - 前記第2の電力分配器は、前記第1の電力分配器と、前記第2の電力分配器との電力比を、動的に調整する、請求項1に記載の通信装置。
- 前記インタフェースが、有線または無線のインタフェースである、請求項1または2に記載の通信装置。
- 前記インタフェースが、有線のハーネスコネクタである、請求項1または2に記載の通信装置。
- 前記ヌル化起動スイッチのポジションが、高高度プラットフォームの位置、地上の陸上位置の知識、国境の知識、またはサービス領域の知識のうちの1つまたは複数に基づき制御される、請求項1から4のいずれか一項に記載の通信装置。
- すべてのHAP伝送の合計からの、国境をまたぐ超過してはならない総電力束密度に関して、またはすべてのHAP伝送の前記合計から陸上タワーに向かう総電力束密度に関して、制限が確立される、請求項1から5のいずれか一項に記載の通信装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16/838,062 | 2020-04-02 | ||
US16/838,062 US11024957B1 (en) | 2020-04-02 | 2020-04-02 | Triggered generation of nulling signals to null an RF beam using a detachable nulling subassembly |
PCT/US2021/023244 WO2021242370A2 (en) | 2020-04-02 | 2021-03-19 | Triggered generation of nulling signals to null an rf beam using a detachable nulling subassembly |
Publications (2)
Publication Number | Publication Date |
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JP2023520793A JP2023520793A (ja) | 2023-05-19 |
JP7441328B2 true JP7441328B2 (ja) | 2024-02-29 |
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JP2022560006A Active JP7441328B2 (ja) | 2020-04-02 | 2021-03-19 | 取り外し可能なヌル化サブアセンブリを使用した、rfビームをヌル化するためのヌル化信号のトリガ生成 |
Country Status (4)
Country | Link |
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US (2) | US11024957B1 (ja) |
EP (1) | EP4118708B1 (ja) |
JP (1) | JP7441328B2 (ja) |
WO (1) | WO2021242370A2 (ja) |
Families Citing this family (2)
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US12015209B2 (en) * | 2018-11-12 | 2024-06-18 | Nokia Technologies Oy | Beam steering resolutions enhancement |
US11451980B2 (en) * | 2020-06-24 | 2022-09-20 | T-Mobile Usa, Inc. | Communication to under-served areas using communication enabled vehicles |
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2020
- 2020-04-02 US US16/838,062 patent/US11024957B1/en active Active
-
2021
- 2021-03-19 WO PCT/US2021/023244 patent/WO2021242370A2/en unknown
- 2021-03-19 EP EP21813791.7A patent/EP4118708B1/en active Active
- 2021-03-19 JP JP2022560006A patent/JP7441328B2/ja active Active
- 2021-04-16 US US17/232,213 patent/US11482778B2/en active Active
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US11024957B1 (en) | 2021-06-01 |
US11482778B2 (en) | 2022-10-25 |
EP4118708A2 (en) | 2023-01-18 |
EP4118708A4 (en) | 2024-01-10 |
US20210313681A1 (en) | 2021-10-07 |
WO2021242370A2 (en) | 2021-12-02 |
EP4118708B1 (en) | 2024-10-30 |
JP2023520793A (ja) | 2023-05-19 |
WO2021242370A3 (en) | 2022-03-10 |
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