JP6702528B2 - アンテナおよび通信デバイス - Google Patents
アンテナおよび通信デバイス Download PDFInfo
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- JP6702528B2 JP6702528B2 JP2018152878A JP2018152878A JP6702528B2 JP 6702528 B2 JP6702528 B2 JP 6702528B2 JP 2018152878 A JP2018152878 A JP 2018152878A JP 2018152878 A JP2018152878 A JP 2018152878A JP 6702528 B2 JP6702528 B2 JP 6702528B2
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- conductor
- control switch
- current path
- path length
- parasitic element
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- 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
- H01Q9/045—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with particular feeding means
-
- 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
-
- 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
- H01Q3/24—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 orientation by switching energy from one active radiating element to another, e.g. for beam switching
- H01Q3/242—Circumferential scanning
-
- 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
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
-
- 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
- H01Q19/02—Details
-
- 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
-
- 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
- H01Q19/28—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 a secondary device in the form of two or more substantially straight conductive elements
-
- 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
- H01Q19/28—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 a secondary device in the form of two or more substantially straight conductive elements
- H01Q19/30—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 a secondary device in the form of two or more substantially straight conductive elements the primary active element being centre-fed and substantially straight, e.g. Yagi antenna
-
- 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
- H01Q19/28—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 a secondary device in the form of two or more substantially straight conductive elements
- H01Q19/32—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 a secondary device in the form of two or more substantially straight conductive elements the primary active element being end-fed and elongated
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic
- H01Q21/293—Combinations of different interacting antenna units for giving a desired directional characteristic one unit or more being an array of identical aerial elements
-
- 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
- H01Q3/44—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 electric or magnetic characteristics of reflecting, refracting, or diffracting devices associated with the radiating element
- H01Q3/446—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 electric or magnetic characteristics of reflecting, refracting, or diffracting devices associated with the radiating element the radiating element being at the centre of one or more rings of auxiliary elements
-
- 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
- H04B7/155—Ground-based stations
- H04B7/15564—Relay station antennae loop interference reduction
- H04B7/15585—Relay station antennae loop interference reduction by interference cancellation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Aerials With Secondary Devices (AREA)
Description
制御スイッチがオフにされると、電流が第1の導体およびレギュレータ回路を通って流れ、非給電素子の電流経路長が給電素子の共振長よりも長くなる、または制御スイッチがオンにされると、電流が第1の導体および制御スイッチを通って流れ、非給電素子の電流経路長が給電素子の共振長よりも短くなる。
2 非給電素子
2A 非給電素子
2B 非給電素子
2C 非給電素子
2D 非給電素子
21 第1の導体
22 レギュレータ回路
23 制御スイッチ
211 第1の下位導体
212 第2の下位導体
221 第2の導体
222 整合ネットワーク
Claims (11)
- 給電素子と少なくとも1つの非給電素子とを備え、各非給電素子と前記給電素子との間の距離が指定された閾値内にあり、各非給電素子が、接地された第1の導体、レギュレータ回路、および制御スイッチを備え、前記レギュレータ回路が前記非給電素子の電流経路長を調節するように構成され、
前記制御スイッチがオフにされると、電流が前記第1の導体および前記レギュレータ回路を通って流れ、前記非給電素子の前記電流経路長が前記給電素子の共振長よりも長くなる、または前記制御スイッチがオンにされると、前記電流が前記第1の導体および前記制御スイッチを通って流れ、前記非給電素子の前記電流経路長が前記給電素子の共振長よりも短くなり、
前記第1の導体が第1の下位導体および第2の下位導体を備え、前記制御スイッチの2つの端部が前記第1の下位導体および前記第2の下位導体にそれぞれ接続され、前記レギュレータ回路が第2の導体を備え、前記第2の導体の2つの端部が前記第1の下位導体および前記第2の下位導体にそれぞれ接続され、前記制御スイッチがオンにされるとき、前記第1の下位導体が前記制御スイッチを通して前記第2の下位導体に接続され、または前記制御スイッチがオフにされるとき、前記第1の下位導体が前記第2の導体を通して前記第2の下位導体に接続される、アンテナ。 - 前記第1の下位導体の一方の端部と前記第2の導体の一方の端部が前記制御スイッチの一方の端部で接続点に固定され、前記第2の下位導体の一方の端部と前記第2の導体の他方の端部が前記制御スイッチの他方の端部で接続点に固定される、請求項1に記載のアンテナ。
- 前記制御スイッチがオフにされるとき、前記非給電素子の前記電流経路長が、λ/4より長く、前記給電素子の前記共振長よりも長くなり、
前記制御スイッチがオンにされるとき、前記非給電素子の前記電流経路長が、λ/4より短く、前記給電素子の前記共振長よりも短くなり、λが前記給電素子の中間の波長である、請求項1または2に記載のアンテナ。 - 前記制御スイッチがオンにされるとき、前記非給電素子が導波器となる、請求項3に記載のアンテナ。
- 前記制御スイッチがオフにされるとき、前記非給電素子が反射器となる、請求項3に記載のアンテナ。
- 前記第2の導体がU字型に曲がった構造である、請求項1に記載のアンテナ。
- 前記指定された閾値が0.2λ〜0.25λであり、λが前記給電素子の前記中間の波長である、請求項1から6のいずれか一項に記載のアンテナ。
- 前記制御スイッチがオンにされるとき、前記レギュレータ回路がディセーブルにされ、前記非給電素子の前記電流経路長が0.21λ〜0.24λであり、
前記制御スイッチがオフにされるとき、前記レギュレータ回路がイネーブルにされ、前記非給電素子の前記電流経路長が0.26λ〜0.28λであり、λが前記給電素子の前記中間の波長である、請求項1から7のいずれか一項に記載のアンテナ。 - 前記少なくとも1つの非給電素子の数量が4であり、前記4つの非給電素子が前記給電素子を囲んで配置される、請求項1から8のいずれか一項に記載のアンテナ。
- 前記4つの非給電素子が、リング形状を形成し、均等に配設される、請求項9に記載のアンテナ。
- 請求項1から10のいずれか一項に記載のアンテナを備える、通信デバイス。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710701968.0 | 2017-08-16 | ||
CN201710701968.0A CN109411876B (zh) | 2017-08-16 | 2017-08-16 | 一种天线及通信设备 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019036962A JP2019036962A (ja) | 2019-03-07 |
JP6702528B2 true JP6702528B2 (ja) | 2020-06-03 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2018152878A Active JP6702528B2 (ja) | 2017-08-16 | 2018-08-15 | アンテナおよび通信デバイス |
Country Status (4)
Country | Link |
---|---|
US (1) | US10665946B2 (ja) |
EP (1) | EP3444897B1 (ja) |
JP (1) | JP6702528B2 (ja) |
CN (1) | CN109411876B (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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US10665939B2 (en) * | 2018-04-10 | 2020-05-26 | Sierra Nevada Corporation | Scanning antenna with electronically reconfigurable signal feed |
EP3937305B1 (en) | 2019-03-26 | 2024-03-20 | Huawei Technologies Co., Ltd. | Smart antenna, antenna feeder system, antenna communication system and ap |
CN110350306B (zh) * | 2019-07-10 | 2021-01-08 | 维沃移动通信有限公司 | 一种天线结构、终端及控制方法 |
CN112582807B (zh) * | 2019-09-27 | 2021-12-28 | 华为技术有限公司 | 定向天线和通讯设备 |
CN115224463A (zh) * | 2021-04-19 | 2022-10-21 | 华为技术有限公司 | 一种天线及无线设备 |
CN113922060B (zh) * | 2021-09-30 | 2023-06-23 | 联想(北京)有限公司 | 一种天线和电子设备 |
Family Cites Families (9)
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JPS50117343A (ja) | 1974-02-12 | 1975-09-13 | ||
JP2001036337A (ja) * | 1999-03-05 | 2001-02-09 | Matsushita Electric Ind Co Ltd | アンテナ装置 |
JP2001345633A (ja) | 2000-03-28 | 2001-12-14 | Matsushita Electric Ind Co Ltd | アンテナ装置 |
JP2002280942A (ja) * | 2001-03-15 | 2002-09-27 | Nec Corp | 可変指向性アンテナを備えた情報端末装置 |
JP2009094696A (ja) * | 2007-10-05 | 2009-04-30 | National Institute Of Information & Communication Technology | セクタアンテナ |
US8421684B2 (en) * | 2009-10-01 | 2013-04-16 | Qualcomm Incorporated | Methods and apparatus for beam steering using steerable beam antennas with switched parasitic elements |
CN102013559A (zh) * | 2010-09-20 | 2011-04-13 | 西安电子科技大学 | 波束扫描阵列天线 |
CN104051850A (zh) * | 2013-03-13 | 2014-09-17 | 上海贝尔股份有限公司 | 辐射方向图可重构的电控无源阵列辐射天线及其配置方法 |
US10230161B2 (en) | 2013-03-15 | 2019-03-12 | Arris Enterprises Llc | Low-band reflector for dual band directional antenna |
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2017
- 2017-08-16 CN CN201710701968.0A patent/CN109411876B/zh active Active
-
2018
- 2018-08-13 EP EP18188615.1A patent/EP3444897B1/en active Active
- 2018-08-15 JP JP2018152878A patent/JP6702528B2/ja active Active
- 2018-08-16 US US15/998,675 patent/US10665946B2/en active Active
Also Published As
Publication number | Publication date |
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CN109411876B (zh) | 2020-12-22 |
JP2019036962A (ja) | 2019-03-07 |
US10665946B2 (en) | 2020-05-26 |
EP3444897A1 (en) | 2019-02-20 |
CN109411876A (zh) | 2019-03-01 |
EP3444897B1 (en) | 2023-02-15 |
US20190058254A1 (en) | 2019-02-21 |
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