WO2023115958A1 - Antenne multibande et terminal - Google Patents

Antenne multibande et terminal Download PDF

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Publication number
WO2023115958A1
WO2023115958A1 PCT/CN2022/109680 CN2022109680W WO2023115958A1 WO 2023115958 A1 WO2023115958 A1 WO 2023115958A1 CN 2022109680 W CN2022109680 W CN 2022109680W WO 2023115958 A1 WO2023115958 A1 WO 2023115958A1
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WO
WIPO (PCT)
Prior art keywords
antenna
coupling
radiator
band
inverted
Prior art date
Application number
PCT/CN2022/109680
Other languages
English (en)
Chinese (zh)
Inventor
许晓军
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2023115958A1 publication Critical patent/WO2023115958A1/fr

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Classifications

    • 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
    • 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
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/48—Earthing means; Earth screens; Counterpoises
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way

Definitions

  • Embodiments of the present disclosure relate to but not limited to the communication field, and specifically, relate to but not limited to a multi-band antenna and terminal.
  • a multi-band antenna includes: an inverted-F antenna, a coupling antenna and a switch, wherein the inverted-F antenna includes a feeding branch, a grounding branch and a radiator, and the feeding branch is connected to one end of the radiator , the grounding branch is connected to the radiator at a position away from the one end of the radiator; the coupling antenna includes a coupling ground circuit and a coupling radiator, and the coupling ground circuit serves as one end of the coupling antenna , the coupling radiator is used as the other end of the coupling space, and the signal coupling between the inverted-F antenna and the coupling antenna is performed through the coupling radiator and the radiator of the inverted-F antenna; and the The switch is arranged between the coupled ground circuit of the coupled antenna and a ground point.
  • a terminal includes the above-mentioned multi-band antenna.
  • FIG. 1 is a schematic structural diagram of a multi-band antenna provided by an embodiment of the present disclosure.
  • FIG. 2 is a schematic diagram of an equivalent circuit structure of a multi-band antenna in four states provided by an embodiment of the present disclosure.
  • the frequency bands of antennas have increased a lot, and the antenna bandwidth needs to be wider, and the coupling branch can only couple part of the frequency bands.
  • this embodiment provides a multi-band antenna, and the multi-band antenna includes: an inverted-F (Inverted-F Antenna, IFA) antenna, a coupling antenna, and a switch.
  • IFA Inverted-F Antenna
  • the branch at the top of the IFA antenna (that is, the branch connected to one end of the radiator of the IFA antenna) is a feed branch, and the branch below the top (that is, the branch connected to the above-mentioned end of the radiator away from the radiator)
  • the branch of the position is the grounding branch.
  • One end of the coupling antenna is a coupling ground circuit (that is, the coupling ground circuit serves as one end of the coupling antenna), and the other end is a coupling radiator (ie, the coupling radiator serves as the other end of the coupling antenna).
  • the coupling radiator performs signal coupling with the radiator of the IFA antenna.
  • the switch is arranged between the coupling grounding circuit of the coupling antenna and a grounding point, and is used for controlling the grounding state of the coupling antenna.
  • FIG. 1 is a schematic structural diagram of a multi-band antenna provided in this embodiment.
  • the multi-band antenna includes: IFA antenna 10, coupling antenna 20 and switch 30, the IFA antenna is an inverted F antenna, the branch at its top is the feeding branch 101, and the branch below the top is the grounding branch 102; one end of the coupling antenna For coupling grounding circuit 201, the other end is coupling radiator 202, and coupling radiator 202 carries out signal coupling with radiator 103 of IFA antenna; The ground state of the coupled antenna 20.
  • the multi-band antenna further includes a capacitor and/or an inductor connected to the switch for adjusting the coupling frequency band of the coupled antenna.
  • the multi-band antenna is a mobile network antenna.
  • the length of the coupling radiator of the coupling antenna is shorter than the length of the radiator of the IFA antenna.
  • the length of the coupling radiator 202 of the coupling antenna 20 and the length of the radiator 103 of the IFA antenna 10 are shown in FIG. 1 .
  • the coupling antenna is an L antenna, which is arranged outside the IFA antenna.
  • the shape of the coupling antenna 20 is as shown in FIG. 1 .
  • the coupling radiator of the coupling antenna is arranged parallel to the radiator of the IFA antenna.
  • the arrangement relationship between the coupling radiator 202 of the coupling antenna 20 and the radiator 103 of the IFA antenna 10 can be referred to FIG. 1 .
  • the multi-band antenna when the switch is in the off state, the multi-band antenna is coupled to a higher (first) frequency band signal; when the switch is in the on state, the multi-band antenna is coupled to a lower (first) frequency band signal; Second) the signal of the frequency band.
  • a multi-band antenna provided by an embodiment of the present disclosure includes: an IFA antenna, a coupling antenna, and a switch;
  • the IFA antenna is an inverted-F antenna, the branch at its top is a feeding branch, and the branch below the top is a grounding branch
  • One end of the coupling antenna is a coupling grounding circuit, and the other end is a coupling radiator, and the coupling radiator and the radiator of the IFA antenna perform signal coupling;
  • the switch is arranged between the coupling grounding circuit and the coupling antenna of the coupling antenna Between the grounding points, it is used to control the grounding state of the coupling antenna.
  • the grounding state of the coupling antenna is controlled by setting a switch in the grounding circuit of the coupling antenna, so that the coupling branch can be in four states respectively, and these four states can respectively couple four different frequency bands of the antenna, thus increasing the simultaneous support of the antenna
  • the number of frequency bands reduces the complexity of antenna design, broadens antenna bandwidth, and improves antenna performance.
  • the multi-band antenna shown in Figure 1 is used to illustrate the various working states of the multi-band antenna.
  • An antenna switch is added between the coupling ground circuit and the ground point of the coupling antenna, so that the coupling antenna can be in four states, four The equivalent circuit structure of the state is shown in Figure 2. These four states can respectively couple four different frequency bands of the antenna.
  • the antenna coupling branch (coupling antenna) becomes a separate suspended part. In this state, the current distribution on the antenna coupling branch is weak and can be coupled to higher frequency bands. .
  • the switch is grounded, the coupling branch is directly grounded, the coupling performance is strong, and the corresponding lower frequency band can be coupled.
  • the switch path is connected to different inductances/capacitors to change the coupling length and realize the change of the coupling frequency band.
  • the antenna coupling has been upgraded from coupling a single frequency band to multi-band coupling, thereby broadening the antenna bandwidth, improving antenna performance, and increasing the market competitiveness of the project.
  • This embodiment also provides a terminal (not shown in the figure), which includes the above-mentioned multi-band antenna.

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  • Waveguide Aerials (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Support Of Aerials (AREA)

Abstract

L'invention concerne une antenne multibande et un terminal. L'antenne multibande comprend une antenne en F inversé, une antenne de couplage et un commutateur. L'antenne en F inversé comprend une branche d'alimentation, une branche de mise à la terre et un élément rayonnant, la branche d'alimentation étant reliée à une extrémité de l'élément rayonnant, et la branche de mise à la terre étant reliée à la position de l'extrémité, à l'opposé de l'élément rayonnant, de l'élément rayonnant. L'antenne de couplage comprend un circuit de mise à la terre de couplage et un élément rayonnant de couplage, le circuit de mise à la terre de couplage servant d'extrémité de l'antenne de couplage, l'élément rayonnant de couplage servant d'autre extrémité de l'antenne de couplage, et un couplage de signal entre l'antenne en F inversé et l'antenne de couplage étant réalisé au moyen de l'élément rayonnant de couplage et de l'élément rayonnant de l'antenne en F inversé. Le commutateur est disposé entre le circuit de mise à la terre de couplage de l'antenne de couplage et un point de mise à la terre.
PCT/CN2022/109680 2021-12-24 2022-08-02 Antenne multibande et terminal WO2023115958A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202123297970.7U CN216773507U (zh) 2021-12-24 2021-12-24 一种多频段天线和终端
CN202123297970.7 2021-12-24

Publications (1)

Publication Number Publication Date
WO2023115958A1 true WO2023115958A1 (fr) 2023-06-29

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ID=81968986

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2022/109680 WO2023115958A1 (fr) 2021-12-24 2022-08-02 Antenne multibande et terminal

Country Status (2)

Country Link
CN (1) CN216773507U (fr)
WO (1) WO2023115958A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN216773507U (zh) * 2021-12-24 2022-06-17 中兴通讯股份有限公司 一种多频段天线和终端

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150333399A1 (en) * 2014-05-13 2015-11-19 Auden Techno Corp. Tunable long term evolution antenna
US20190393586A1 (en) * 2018-06-26 2019-12-26 Apple Inc. Electronic Device Antennas Having Switchable Feed Terminals
US20210328334A1 (en) * 2020-04-15 2021-10-21 Apple Inc. Electronic Devices Having Compact Ultra-Wideband Antennas
CN216773507U (zh) * 2021-12-24 2022-06-17 中兴通讯股份有限公司 一种多频段天线和终端

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150333399A1 (en) * 2014-05-13 2015-11-19 Auden Techno Corp. Tunable long term evolution antenna
US20190393586A1 (en) * 2018-06-26 2019-12-26 Apple Inc. Electronic Device Antennas Having Switchable Feed Terminals
US20210328334A1 (en) * 2020-04-15 2021-10-21 Apple Inc. Electronic Devices Having Compact Ultra-Wideband Antennas
CN216773507U (zh) * 2021-12-24 2022-06-17 中兴通讯股份有限公司 一种多频段天线和终端

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CN216773507U (zh) 2022-06-17

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