JP5513502B2 - フェーズドアレイアンテナおよびフェーズドアレイアンテナの動作方法 - Google Patents
フェーズドアレイアンテナおよびフェーズドアレイアンテナの動作方法 Download PDFInfo
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- 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
- H01Q1/32—Adaptation for use in or on road or rail vehicles
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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
- H01Q3/30—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
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- 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
- H01Q1/32—Adaptation for use in or on road or rail vehicles
- H01Q1/3208—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used
- H01Q1/3216—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used where the road or rail vehicle is only used as transportation means
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- 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
- H01Q1/32—Adaptation for use in or on road or rail vehicles
- H01Q1/325—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle
- H01Q1/3275—Adaptation for use in or on road or rail vehicles characterised by the location of the antenna on the vehicle mounted on a horizontal surface of the vehicle, e.g. on roof, hood, trunk
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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
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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
-
- 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
- H01Q3/267—Phased-array testing or checking devices
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- 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
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/22—Demodulator circuits; Receiver circuits
- H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
- H04L27/2271—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals
- H04L27/2273—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals associated with quadrature demodulation, e.g. Costas loop
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- 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
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
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Description
・加算された受信データIおよびQ
・送信されるべきデータIおよびQ
・シリアルコマンドデータバス
・パワーサプライ
Claims (26)
- フェーズドアレイアンテナのアンテナ要素(514)であって、アンテナ要素の出力信号の同相成分と、フェーズドアレイアンテナの複数のアンテナ要素の出力信号の直交成分の合成とを比較し、同相成分と直交成分の合成との相関の度合いを代表する位相制御信号を生成し、複数のアンテナ要素の出力信号の合成にしたがってアンテナ要素の出力信号をもたらすように構成された回路を備える、アンテナ要素。
- フェーズドアレイアンテナのアンテナ要素(516)であって、アンテナ要素の出力信号の直交成分と、フェーズドアレイアンテナの複数のアンテナ要素の出力信号の同相成分の合成とを比較し、直交成分と同相成分の合成との相関の度合いを代表する位相制御信号を生成し、複数のアンテナ要素の出力信号の合成にしたがってアンテナ要素の出力信号をもたらすように構成された回路を備える、アンテナ要素。
- フェーズドアレイアンテナのアンテナ要素であって、請求項1にしたがって構成される回路によって生成される位相制御信号と請求項2にしたがう回路によって生成される位相制御信号との差として位相制御信号が生成される、要素。
- 前記回路はコスタスループを含む、請求項1から3のいずれかに記載のアンテナ要素。
- 電磁信号を受けるよう構成された第1アンテナ要素および複数の第2アンテナ要素を備えるフェーズドアレイアンテナであって、
第1アンテナ要素は、電磁信号を周波数変換して第1アンテナ要素出力信号を形成するための出力信号を提供する制御可能オシレータを含み、
請求項1から4のいずれかに記載のアンテナ要素によって生成される位相制御信号に応じて、制御可能オシレータの出力信号の位相が調整可能である、フェーズドアレイアンテナ。 - 第1または第2アンテナ要素のひとつ以上と関連する遅延部をさらに備え、ひとつ以上の遅延部は第1および第2アンテナ要素の出力信号を時間的に揃える、請求項5に記載のフェーズドアレイアンテナ。
- 複数の第2アンテナ要素のひとつ以上はさらに、パワーレベル制御信号に応じてその第2アンテナ要素の個々の出力信号に重み付けが与えられるよう構成される、請求項5または6に記載のフェーズドアレイアンテナ。
- 第2アンテナ要素についてのパワーレベル制御信号は、その第2アンテナ要素の出力信号と他の第2アンテナ要素の出力信号との比較を代表する、請求項7に記載のフェーズドアレイアンテナ。
- 第2アンテナ要素のひとつ以上の出力信号は、基準を満たすパワーレベル制御信号に応じて抑制される、請求項7または8に記載のフェーズドアレイアンテナ。
- 第1および第2アンテナ要素のそれぞれに関連する座標を記憶するメモリをさらに備える、請求項5から9のいずれかに記載のフェーズドアレイアンテナ。
- 第1および第2アンテナ要素のそれぞれに関連する座標は最初にフェーズドアレイアンテナの物理的性質にしたがって設定される、請求項10に記載のフェーズドアレイアンテナ。
- 第1および第2アンテナ要素のそれぞれに関連する座標は位相制御信号に応じて調整される、請求項10または11に記載のフェーズドアレイアンテナ。
- 座標について最適フィット平面を計算するプロセッサをさらに備え、
位相制御信号は、制御可能オシレータの位相をその最適フィット平面に合うように設定するよう構成された信号を含む、請求項10から12のいずれかに記載のフェーズドアレイアンテナ。 - ひとつ以上のフェーズドアレイアンテナパネルを備える、請求項5から13のいずれかに記載のフェーズドアレイアンテナ。
- フェーズドアレイアンテナの放射パターンが、位相制御信号を用いて決定される所望の向きにフォーカスされるように、それぞれの位相でそれぞれの信号を送信するように構成された複数のアンテナ要素を備える、請求項5から14のいずれかに記載のフェーズドアレイアンテナ。
- 請求項5から15のいずれかに記載のフェーズドアレイアンテナを備える車両。
- フェーズドアレイアンテナの第1アンテナ要素の制御可能オシレータの位相を設定する方法であって、制御可能オシレータの出力信号は受信電磁信号を周波数変換して第1アンテナ要素出力信号を形成するために使用され、本方法は、
第1アンテナ要素の出力信号の同相成分と、フェーズドアレイの複数のアンテナ要素の出力信号の直交成分の合成とを比較することによって、同相成分と直交成分の合成との相関の度合いを代表する位相制御信号を生成すること、および/または第1アンテナ要素の出力信号の直交成分と、フェーズドアレイの複数のアンテナ要素の出力信号の同相成分の合成とを比較することによって、直交成分と同相成分の合成との相関の度合いを代表する位相制御信号を生成することと、
第1アンテナ要素に関連する制御可能オシレータによって生成される出力信号の位相を、位相制御信号に応じて調整することと、を含む方法。 - 第1および第2アンテナ要素の出力信号を時間的に揃えるために、第1または第2アンテナ要素のひとつ以上の出力信号を遅らせることをさらに含む、請求項17に記載の方法。
- 第2アンテナ要素の出力信号と他の第2アンテナ要素の出力信号との相関の度合いを代表するパワーレベル制御信号を生成することをさらに含む、請求項17または18に記載の方法。
- 比較ステップのために第2アンテナ要素の出力信号に与えられるべき重み付けを、パワーレベル制御信号に応じて設定することをさらに含む、請求項19に記載の方法。
- 基準を満たすパワーレベル制御信号に応じて第2アンテナ要素を抑制することをさらに含む、請求項19または20に記載の方法。
- 第1および第2アンテナ要素のそれぞれに関連する座標をメモリに記憶することをさらに含む、請求項17から21のいずれかに記載の方法。
- 第1および第2アンテナ要素のそれぞれに関連する座標を最初にフェーズドアレイアンテナの物理的性質にしたがって設定することをさらに含む、請求項22に記載の方法。
- 第1および第2アンテナ要素のそれぞれに関連する座標を位相制御信号に応じて調整することをさらに含む、請求項22または23に記載の方法。
- 座標について最適フィット平面を計算することと、
位相制御信号を使用して、制御可能オシレータによって生成される出力信号の相対位相を、その最適フィット平面に合うように調整することと、をさらに含み、
位相制御信号は、制御可能オシレータの位相をその最適フィット平面に合うように設定するよう構成された信号を含む、請求項22から24のいずれかに記載の方法。 - フェーズドアレイアンテナの放射パターンが、位相制御信号を用いて決定される所望の向きにフォーカスされるように、それぞれの位相で信号を送信することを含む、請求項17から25のいずれかに記載の方法。
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GB0813237.5 | 2008-07-18 | ||
GB0813237A GB2461921B (en) | 2008-07-18 | 2008-07-18 | A phased array antenna and a method of operating a phased array antenna |
PCT/GB2009/050880 WO2010007442A1 (en) | 2008-07-18 | 2009-07-17 | A phased array antenna and a method of operating a phased array antenna |
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JP (1) | JP5513502B2 (ja) |
KR (1) | KR101507203B1 (ja) |
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