JP5469061B2 - 再構成可能なアンテナに関する改良 - Google Patents
再構成可能なアンテナに関する改良 Download PDFInfo
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- JP5469061B2 JP5469061B2 JP2010511732A JP2010511732A JP5469061B2 JP 5469061 B2 JP5469061 B2 JP 5469061B2 JP 2010511732 A JP2010511732 A JP 2010511732A JP 2010511732 A JP2010511732 A JP 2010511732A JP 5469061 B2 JP5469061 B2 JP 5469061B2
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- 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
- H01Q21/061—Two dimensional planar arrays
- H01Q21/065—Patch antenna array
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
- H01Q9/26—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole with folded element or elements, the folded parts being spaced apart a small fraction of operating wavelength
- H01Q9/27—Spiral antennas
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/10—Auxiliary devices for switching or interrupting
- H01P1/12—Auxiliary devices for switching or interrupting by mechanical chopper
- H01P1/127—Strip line switches
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Aerials With Secondary Devices (AREA)
- Micromachines (AREA)
- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
Description
・極低消費電力:静電気作動は、きわめて低い電力消費(開閉サイクルあたり10〜100nJ)のため、いかなる電流も消費しない。
・極高絶縁:RF MEMS直列スイッチは、エアギャップを有して製作されて、したがって、0.1〜40GHzで優れた絶縁に結びつく極低オフ状態キャパシタンス(2〜4fF)を有する。
・極低挿入損失:RF MEMS直列分流器スイッチは、最高40GHzまで0.1dBの挿入損失を有する。
・相互変調製品:MEMSスイッチは、非常に線形のデバイスであり、したがって、極低相互変調製品に結びつく。それらの性能は、ピン(p−i−n)またはFETスイッチよりも約30dB良好である。
・極低コスト:RF MEMSスイッチは、表面(またはバルク状)マイクロマシン加工技術を使用して製作されて、そして、水晶、パイレックス(登録商標)、低温コファイアード・セラミック(low temperature cofired ceramic;LTCC)、メカニカルグレード高抵抗率シリコン(mechanical−grade high−resistivity silicon)、またはガリウム砒素基板上に構築されることができる。
・RF回路構成−直列または並列。
・機械構造−片持ち構造またはエアブリッジ構造。
・接触形態−容量性(金属−絶縁体−金属)抵抗性(金属−金属)。
サポートされる周波数帯域 組織
76〜77GHz CEPT(ヨーロッパ)
76〜77GHz ETSI(ヨーロッパ)
46.7〜46.9GHz、76〜77GHz FCC(米国)
60〜61GHz、76〜77GHz ITU
60〜61GHz、76〜77GHz MPT(日本)
Claims (45)
- 電磁波を送信および/または受信する装置であって:
導電性の半導体層からなる基板;
前記基板の第1の面に実装される1つ以上のアンテナ;
前記基板の前記第1面に対する裏面である第2の面に位置する1つ以上のマイクロ電子機械(MEMS)スイッチ;
前記MEMSスイッチを前記アンテナに有効に接続するために前記基板を通って延びるコネクタ;
アンテナから受信されまたは送信される電磁放射からMEMSスイッチを保護するための前記導電性の半導体層を含み、前記アンテナおよび前記MEMSに共通する共通接地;
を含む装置。 - 前記基板が半導体層および少なくとも1つの絶縁層を含む、請求項1に記載の装置。
- 前記少なくとも1つの絶縁層が前記アンテナのための基板を形成する、請求項2に記載の装置。
- 前記アンテナがパターン化された金属面を含む、請求項1〜3のいずれか1項に記載の装置。
- 前記パターン化された金属面がスパイラルを含む、請求項4に記載の装置。
- 前記スパイラルがカーブする、請求項5に記載の装置。
- 前記アンテナが複数のアンテナ素子を含む、請求項1〜6のいずれか1項に記載の装置。
- 前記アンテナ素子が接続される、請求項7に記載の装置。
- 1つ以上の前記アンテナ素子がオンまたはオフを切替えられることができる、請求項7または8に記載の装置。
- 前記装置の動作周波数を制御するために1つ以上の前記アンテナ素子がオンまたはオフを切替えられることができる、請求項7〜9のいずれか1項に記載の装置。
- 前記MEMSスイッチが容量スイッチである、請求項1〜10のいずれか1項に記載の装置。
- 前記MEMSスイッチが前記アンテナへの入力または当該アンテナからの出力の位相を変えるように動作する、請求項1〜11のいずれか1項に記載の装置。
- 前記MEMSスイッチが:
基板;
第1の導電層;
前記基板に付着して、当該基板の上にブリッジ構造を形成する材料;
前記基板から離隔した前記材料の表面に付着する第2の導電層;を含み、
前記材料は、前記第2の導電層に対する機械的支持として、および、誘電体として作用する;
請求項1〜12のいずれか1項に記載の装置。 - 前記材料が力の適用に応じて曲がり、これにより、前記MEMSスイッチの容量を変えるのに適している、請求項13に記載の装置。
- 前記材料が前記第1および第2の導電層間の電圧印加に応じて曲がり、これにより、前記MEMSスイッチの容量を変えるのに適している、請求項13に記載の装置。
- 前記材料が4.5GPa未満の弾性ヤング率を有する、請求項13〜15のいずれか1項に記載の装置。
- 前記材料が1MHzで2以上の誘電率を有する、請求項13〜16のいずれか1項に記載の装置。
- 前記材料がポリマーである、請求項13〜17のいずれか1項に記載の装置。
- 前記材料がパラキシリレンに由来する、請求項13〜18のいずれか1項に記載の装置。
- 前記材料がポリ−モノクロロ−パラキシリレンである、請求項13〜19のいずれか1項に記載の装置。
- 前記材料がポリ−パラキシリレンである、請求項13〜20のいずれか1項に記載の装置。
- 前記第2の導電層が金属である、請求項13〜21のいずれか1項に記載の装置。
- 前記第2の導電層がアルミニウムを含む、請求項13〜22のいずれか1項に記載の装置。
- 前記MEMSスイッチが前記基板に載置されるコプレーナ導波路をさらに含む、請求項13〜23のいずれか1項に記載の装置。
- 前記MEMSスイッチがマイクロストリップ・トポロジにおいて集積される、請求項13〜24のいずれか1項に記載の装置。
- 前記ブリッジ構造が、当該ブリッジの機械的性質および、それが印加電圧に応じて移動する方法を変えるために形成される梁を含む、請求項15〜25のいずれか1項に記載の装置。
- 前記梁が対称形である、請求項26に記載の装置。
- 前記梁が非対称形である、請求項26に記載の装置。
- 前記梁が蛇行する屈曲を含む、請求項26〜28のいずれか1項に記載の装置。
- 前記梁の形状が電圧の適用に応じて予め定められた方法で捻れるかまたは曲がるように構成される、請求項26〜29のいずれか1項に記載の装置。
- 前記MEMSスイッチが供給ラインまたは信号経路に電磁気デバイスを接続および分離するように構成される、請求項26〜30のいずれか1項に記載の装置。
- 前記MEMSスイッチが前記供給ライン上の前記信号の前記位相を変えるために用いられる、請求項31に記載の装置。
- 前記印加電圧による前記位相の前記変化が予め定められた電圧範囲を超えて実質的に線形である、請求項32に記載の装置。
- 複数の前記MEMSスイッチが前記印加電圧の適用に応じて0〜360°の制御可能な位相シフトを提供するために組み合わされる、請求項32または33に記載の装置。
- 前記コネクタがスルーホールまたはバイアである、請求項1〜34のいずれか1項に記載の装置。
- 前記コネクタがそれに対して付着される導電性材料を含む、請求項1〜35のいずれか1項に記載の装置。
- 前記装置が前記MEMSスイッチでまたはその近くで当該装置に取り付けられる集積回路をさらに含む、請求項1〜36のいずれか1項に記載の装置。
- 前記集積回路がCMOS回路を含む、請求項37に記載の装置。
- 前記CMOS回路がCMOS無線受信機を含む、請求項38に記載の装置。
- 前記複数のアンテナ素子が、各々が第1のアンテナ構成を有する複数の第1のアンテナ素子を含み、そしてさらに、各々が第2のアンテナ構成を有する複数の第2のアンテナ素子を含み、第1のアンテナ構成と第2のアンテナ構成とは相違するアンテナアレイを含む、請求項7〜39のいずれか1項に記載の装置。
- 前記第2のアンテナ構成が前記第1のアンテナ構成の変形を含む、請求項40に記載の装置。
- 前記変形が回転、反転、スケーリングおよび歪みの少なくとも1つを含む、請求項41に記載の装置。
- 前記複数の第1のアンテナ素子が前記複数の第2のアンテナ素子と交互配置される、請求項40〜42のいずれか1項に記載の装置。
- 前記アンテナアレイが、第1および第2のアンテナ素子を含む第1の素子グループ、および、前記第1の素子グループの変形を含む第2の素子グループ、を含む、請求項40〜43のいずれか1項に記載の装置。
- 前記変形が反転を含む、請求項41に記載の装置。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US93440107P | 2007-06-13 | 2007-06-13 | |
GB0711382.2 | 2007-06-13 | ||
US60/934,401 | 2007-06-13 | ||
GBGB0711382.2A GB0711382D0 (en) | 2007-06-13 | 2007-06-13 | Improvements in and relating to reconfigurable antenna and switching |
PCT/GB2008/050448 WO2008152428A1 (en) | 2007-06-13 | 2008-06-13 | Improvements in and relating to reconfigurable antenna |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2013095672A Division JP5972215B2 (ja) | 2007-06-13 | 2013-04-30 | 再構成可能なアンテナに関する改良 |
Publications (2)
Publication Number | Publication Date |
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JP2010531088A JP2010531088A (ja) | 2010-09-16 |
JP5469061B2 true JP5469061B2 (ja) | 2014-04-09 |
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JP2010511732A Active JP5469061B2 (ja) | 2007-06-13 | 2008-06-13 | 再構成可能なアンテナに関する改良 |
Country Status (7)
Country | Link |
---|---|
US (1) | US8570223B2 (ja) |
EP (2) | EP2493014A3 (ja) |
JP (1) | JP5469061B2 (ja) |
KR (1) | KR101527190B1 (ja) |
CN (2) | CN103887602A (ja) |
GB (1) | GB0711382D0 (ja) |
WO (1) | WO2008152428A1 (ja) |
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AU2011374985C1 (en) | 2011-08-16 | 2015-11-12 | Empire Technology Development Llc | Techniques for generating audio signals |
US8786515B2 (en) * | 2011-08-30 | 2014-07-22 | Harris Corporation | Phased array antenna module and method of making same |
FR2981514B1 (fr) * | 2011-10-13 | 2013-11-01 | Centre Nat Etd Spatiales | Systeme antennaire a une ou plusieurs spirale(s) et reconfigurable |
FI20116089L (fi) * | 2011-11-04 | 2013-05-05 | Lite On Mobile Oyj | Järjestely ja laite |
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WO2008152428A1 (en) | 2008-12-18 |
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EP2160797A1 (en) | 2010-03-10 |
KR20100055384A (ko) | 2010-05-26 |
GB0711382D0 (en) | 2007-07-25 |
KR101527190B1 (ko) | 2015-06-08 |
JP2010531088A (ja) | 2010-09-16 |
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US8570223B2 (en) | 2013-10-29 |
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