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WO2020133499A1 - Module d'antenne dans un boîtier et dispositif électronique - Google Patents

Module d'antenne dans un boîtier et dispositif électronique Download PDF

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Publication number
WO2020133499A1
WO2020133499A1 PCT/CN2018/125819 CN2018125819W WO2020133499A1 WO 2020133499 A1 WO2020133499 A1 WO 2020133499A1 CN 2018125819 W CN2018125819 W CN 2018125819W WO 2020133499 A1 WO2020133499 A1 WO 2020133499A1
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WO
WIPO (PCT)
Prior art keywords
antenna unit
antenna
isolation
power feeding
antenna module
Prior art date
Application number
PCT/CN2018/125819
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English (en)
Chinese (zh)
Inventor
马荣杰
Original Assignee
瑞声科技（南京）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 瑞声科技（南京）有限公司 filed Critical 瑞声科技（南京）有限公司
Priority to PCT/CN2018/125819 priority Critical patent/WO2020133499A1/fr
Publication of WO2020133499A1 publication Critical patent/WO2020133499A1/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
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure

Definitions

  • the invention relates to the field of wireless communication, in particular to a packaged antenna module and electronic equipment.
  • the International Telecommunication Union ITU identified three main application scenarios of 5G: enhanced mobile broadband, large-scale machine communications, and high-reliability and low-latency communications. These three application scenarios correspond to different key indicators, in which the peak user speed in the enhanced mobile bandwidth scenario is 20Gbps, and the minimum user experience rate is 100Mbps.
  • the abundant bandwidth resources of the millimeter wave frequency band in the prior art provide a guarantee for the high-speed transmission rate, but due to the severe space loss of electromagnetic waves in this frequency band, the wireless communication system using the millimeter wave frequency band needs to adopt a phased array architecture.
  • 3GPP has proposed several standard working frequency bands of n257 (26.5GHz-29.5GHz), n258 (24.25-27.5GHz), n260 (37-40GHZ), n261 (27.5-28.35GHZ). With limited space, it is a challenge to achieve better spatial coverage and better isolation in a fixed stacked structure.
  • the object of the present invention is to provide a packaged antenna module, which can achieve better isolation and better space coverage.
  • an encapsulated antenna module including a substrate, first antenna modules and integrated circuit chips provided on opposite sides of the substrate, and provided in the substrate to connect the first antenna module and the antenna
  • the first antenna module includes a first antenna unit and a second antenna unit
  • the first antenna unit includes a first power feeder and a second power feeder
  • the second antenna unit includes A third power feeding part and a fourth power feeding part
  • the first power feeding part is a vertically polarized power feeding part of the first antenna unit
  • the second power feeding part is a horizontal level of the first antenna unit
  • the third power feeder is a vertically polarized power feeder of the second antenna unit
  • the fourth power feeder is a horizontally polarized power feeder of the second antenna unit
  • the phase difference between the first power feeder and the third power feeder is 180°
  • the phase difference between the second power feeder and the fourth power feeder is 180°
  • the first antenna unit The phase difference from the second antenna unit is 180°.
  • the first power feeding part and the second power feeding part are provided at the upper right corner of the first antenna unit, and the third power feeding part and the fourth power feeding part are provided at the first The lower right corner of the second antenna unit.
  • the first power feeding part and the second power feeding part are provided at the lower left corner of the first antenna unit, and the third power feeding part and the fourth power feeding part are provided at the first The upper left corner of the second antenna unit.
  • the first antenna unit includes a first side adjacent to the second antenna unit, a second side opposite to the first side, respectively connected to the first side and the A third side and a fourth side opposite to each other and between the second side, the first side, the third side, the second side and the fourth side are in turn Connection; wherein, the first power feeder and the second power feeder are adjacent to the connection between the first side and the third side, the first power feeder is close to the third side And the center position of the third side is opposite, and the second power feeding part is close to the first side and opposite to the center position of the first side;
  • the second antenna unit includes a fifth side adjacent to the first antenna unit, a sixth side disposed opposite to the fifth side, respectively connected to the fifth side and the sixth A seventh side and an eighth side that are oppositely disposed between the sides, the fifth side, the seventh side, the sixth side, and the eighth side are connected in order end to end; wherein ,
  • the third power feeder and the fourth power feeder are adjacent to the junction of the sixth side and the eighth side, the third power feeder is close to the eighth side and The center position of the eighth side is opposite, and the fourth power feeder is close to the sixth side and opposite to the center position of the sixth side.
  • the packaged antenna module further includes a second antenna module, the second antenna module and the first antenna module are disposed on the same side of the substrate and are symmetrical about a central axis, and the second antenna module It includes a third antenna unit and a fourth antenna unit, the second antenna unit is adjacent to the third antenna unit and is symmetrically arranged about the central axis, and the first antenna unit and the fourth antenna unit are about The central axis is symmetrically set.
  • the antenna module further includes an isolation component, and the isolation component surrounds the second antenna unit and the third antenna unit.
  • the isolation component includes a first isolation part, four second isolation parts and two third isolation parts, the first isolation part is disposed between the second antenna unit and the third antenna unit Between; one of the third isolation portions is provided between the first antenna unit and the second antenna unit, the other of the third isolation portion is provided between the third antenna unit and the fourth antenna Between the units; two of the second isolation parts are disposed on both sides of the second antenna unit without the first isolation part and the third isolation part, and the other two of the second isolation parts
  • the third antenna unit is provided on both sides of the first isolation portion and the third isolation portion; the thickness of the first isolation portion is greater than the thickness of each second isolation portion, each The thickness of the second partition is greater than the thickness of each third partition.
  • the first isolation portion, the second isolation portion and the third isolation portion are all provided with a plurality of through holes.
  • the first isolation portion, the second isolation portion and the third isolation portion are all fence structures.
  • the invention also provides an electronic device, which includes a housing and the above-mentioned packaged antenna module.
  • the packaged antenna module is located in the housing.
  • the packaged antenna module includes the first antenna module, the first antenna module includes the first antenna unit and the second antenna unit, and the first antenna unit includes the first feeder and the second feeder, the second The antenna unit includes a third power feeding part and a fourth power feeding part, the phase difference between the first power feeding part and the third power feeding part is 180°, and the phase difference between the second power feeding part and the fourth power feeding part is 180°
  • the phase difference between the first antenna unit and the second antenna unit is 180°, which improves the isolation of the packaged antenna module and provides better space coverage.
  • FIG. 1 is a schematic diagram of a partial structure of an electronic device provided by an embodiment of the present invention.
  • FIG. 2 is a schematic diagram of a packaged antenna module provided by an embodiment of the present invention.
  • FIG. 3 is a top view of a packaged antenna module provided by an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of a feeding structure provided by an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of a feeding structure provided by another embodiment of the present invention.
  • FIG. 6 is a schematic diagram of an isolation component provided by an embodiment of the present invention.
  • 7(a) is a radiation pattern of a horizontally polarized scanning angle of 45° when the packaged antenna module provided by the present invention is in the 28 GHz frequency band;
  • 7(b) is a radiation pattern of a horizontally polarized scan angle of 0° when the packaged antenna module provided by the present invention is in the 28 GHz frequency band;
  • 7(c) is a radiation pattern of a horizontally polarized scan angle of -45° when the packaged antenna module provided by the present invention is in the 28 GHz frequency band;
  • 7(d) is a radiation pattern of the packaged antenna module provided by the present invention at a vertical polarization scanning angle of 45° in the 28 GHz frequency band;
  • 7(e) is a radiation pattern with a vertical polarization scan angle of 0° when the packaged antenna module provided by the present invention is in the 28 GHz frequency band;
  • 7(f) is a radiation pattern of the packaged antenna module provided by the present invention with a vertical polarization scanning angle of -45° in the 28 GHz frequency band;
  • FIG. 9 is a graph showing the coverage efficiency of horizontally polarized antenna modules in the 28 GHz frequency band provided by an embodiment of the present invention.
  • FIG. 10 is a graph showing the coverage efficiency of the vertically polarized antenna module in the 28 GHz frequency band provided by the embodiment of the present invention.
  • an element when an element is referred to as being “fixed” or “disposed” on another element, the element can be directly on the other element or there can be a centering element at the same time.
  • an element When an element is said to "connect” another element, it may be directly connected to the other element or there may be a center element at the same time.
  • an electronic device provided by an embodiment of the present invention includes an encapsulated antenna module 100 and a housing 200.
  • the encapsulated antenna module 100 is provided in the housing 200 and is used to transmit and receive signals.
  • the packaged antenna module 100 includes a substrate 10, a first antenna module 21, a second antenna module 24, an integrated circuit chip 30, a circuit 40, and an isolation component 27.
  • the first antenna module 21 and the second antenna module 24 are disposed on the same side of the substrate 10, the integrated circuit chip 30 is located on the side of the substrate 10 opposite to the first antenna module 21, and the circuit 40 is disposed in the substrate 10 to connect the first antenna Module 21 and integrated circuit chip 30.
  • the isolation component 27 is located between the first antenna module 21 and the second antenna module 24 for isolating the first antenna module 21 and the second antenna module 24, and the isolation component 27 is grounded to reduce the coupling between the antenna units.
  • the first antenna module 21 includes a first antenna unit 22 and a second antenna unit 23, the first antenna unit 22 includes a first power feeder 221 and a second power feeder 222, and the second antenna unit 23 includes a third power feeder 231 And the fourth power feeder 232, the first power feeder 221 is a vertically polarized power feeder of the first antenna unit 22, the second power feeder 222 is a horizontally polarized power feeder of the first antenna unit 22, and the third The power feeding part 231 is a vertically polarized power feeding part of the second antenna unit 23, the fourth power feeding part 232 is a horizontally polarized power feeding part of the second antenna unit 23, the first power feeding part 221 and the third power feeding part
  • the phase difference of 231 is 180°
  • the phase difference of the second power feeding section 222 and the fourth power feeding section 232 is 180°
  • the phase difference of the feeding direction of the first antenna unit 22 and the feeding direction of the second antenna unit 23 Is 180°.
  • Adjacent two antenna elements adopt horizontal polarization direction equal amplitude inversion feeding or vertical polarization direction equal amplitude inversion feeding to achieve the cross polarization of the antenna array to -40dB, thereby improving the Isolation degree, and can cover the millimeter wave band n257.
  • the first antenna unit 22 includes a first side 223 adjacent to the second antenna unit 23, a second side 224 opposite to the first side 223, and respectively connected to the first side
  • the third side 225 and the fourth side 226 that are oppositely disposed between 223 and the second side 224, the first side 223, the third side 225, the second side 224, and the fourth side 226 are in turn Connection; wherein, the first power feeder 221 and the second power feeder 222 are adjacent to the connection of the first side 223 and the third side 225, the first power feeder 221 is close to the third side 225 and is connected to the third side
  • the center position of the side 225 is opposite, and the second power feeder 222 is close to and opposite to the center position of the first side 223.
  • the second antenna unit 23 includes a fifth side 233 adjacent to the first antenna unit 22, a sixth side 234 disposed opposite to the fifth side 233, and connected to the fifth side 233 and the sixth side 234, respectively
  • the seventh side 235 and the eighth side 236, the fifth side 233, the seventh side 235, the sixth side 234, and the eighth side 236 are connected in sequence end to end; wherein, the third feed The portion 231 and the fourth power feeding portion 232 are adjacent to the junction of the sixth side 234 and the eighth side 236, and the third power feeding portion 231 is close to the eighth side 236 and opposite to the center position of the eighth side 236.
  • the fourth power feeder 232 is close to the sixth side 234 and opposite to the center position of the sixth side 234.
  • the first side 223, the second side 224, the third side 225, and the fourth side 226 are the right side and the left side of the first antenna unit 22, respectively.
  • the fifth side 233, the sixth side 234, the seventh side 235, and the eighth side 236 are the left side, the right side, the upper side, and the lower side of the second antenna unit 23, respectively.
  • the first power feeding part 221 and the second power feeding part 222 are provided in the upper right corner of the first antenna unit 22, and the third power feeding part 231 and the fourth power feeding part 232 are provided in the lower right corner of the second antenna unit 23.
  • the first side 223, the second side 224, the third side 225, and the fourth side 226 are the lower side of the first antenna unit 22, Top side, left side and right side.
  • the fifth side 233, the sixth side 234, the seventh side 235, and the eighth side 236 are the lower side, upper side, right side, and left side of the second antenna unit 23, respectively.
  • the first power feeder 221 and the second power feeder 222 are provided at the lower left corner of the first antenna unit 22, and the third power feeder 231 and the fourth power feeder 232 are provided at the upper left corner of the second antenna unit 23.
  • the second antenna module 24 and the first antenna module 21 are arranged symmetrically and symmetrically about a central axis 50.
  • the second antenna module 24 includes a third antenna unit 25 and a fourth antenna unit 26, and the second antenna unit 23 is
  • the third antenna unit 25 is adjacent to and symmetrically arranged about the central axis 50, and the first antenna unit 21 and the fourth antenna unit 26 are symmetrically arranged about the central axis 50.
  • the isolation assembly 27 includes a first isolation portion 271, four second isolation portions 272, and two third isolation portions 273.
  • the first isolation portion 271 is disposed on the second Between the antenna unit 23 and the third antenna unit 25; one of the third isolation portions 273 is provided between the first antenna unit 22 and the second antenna unit 23, and the other third isolation portion 273 is provided between the third antenna unit 25 and Between the fourth antenna unit 26; two of the second isolation portions 272 are disposed at both ends of the second antenna unit 24 where the first isolation portion 271 and the third isolation portion 273 are not provided, and the other two second isolation portions 272 are provided.
  • the third antenna unit 25 is not provided with both ends of the first isolation portion 271 and the third isolation portion 273; the thickness of the first isolation portion 271 is greater than the thickness of the second isolation portion 272, and the thickness of the second isolation portion 272 is greater than the third The thickness of the partition 273. Among them, the thickness is the length of the first isolation portion 271, the second isolation portion 272 and the third isolation portion 2
  • the first antenna unit 22, the second antenna unit 23, the third antenna unit 25, and the fourth antenna unit 26 all include the stacked upper layer patch A and lower layer patch B
  • Each of the above-mentioned feeders is provided on the lower-layer patch B, and the upper-layer patch A and the lower-layer patch B are coupled to feed.
  • the packaged antenna module 100 includes two first antenna modules 21 and one second antenna module 24.
  • the two first antenna modules 21 are disposed on both sides of the second antenna module 24, and both Symmetrically disposed with the second antenna module 24, the isolation components 27 are arranged on both sides of the second antenna module 24.
  • the packaged antenna module 100 may also include two first antenna modules 21 and two second antenna modules 24. The first antenna module 21 and the second antenna module 24 are spaced apart, and the isolation component 27 is arranged on each first antenna module 21 and Between the second antenna modules 24.
  • the first isolation portion 271, the second isolation portion 272, and the third isolation portion 273 are all provided with a plurality of through holes 274.
  • the first isolation portion 271, the second isolation portion 272, and the third isolation portion 273 are all fence structures.
  • the fence structure includes a plurality of metal strips 275 interlaced with each other, and the through hole 274 penetrates between the metal strips 275.
  • the packaged antenna module 100 provided by the embodiment of the present invention is disposed on the side of the housing 200 and faces the left or right.
  • 7(a) is a radiation pattern of a horizontally polarized scanning angle of 45° when the packaged antenna module provided by the present invention is in the 28 GHz frequency band;
  • 7(b) is a radiation pattern of a horizontally polarized scan angle of 0° when the packaged antenna module provided by the present invention is in the 28 GHz frequency band;
  • 7(c) is a radiation pattern of a horizontally polarized scan angle of -45° when the packaged antenna module provided by the present invention is in the 28 GHz frequency band;
  • 7(d) is a radiation pattern of the packaged antenna module provided by the present invention at a vertical polarization scanning angle of 45° in the 28 GHz frequency band;
  • 7(e) is a radiation pattern with a vertical polarization scan angle of 0° when the packaged antenna module provided by the present invention is in the 28 GHz frequency band;
  • FIG. 7(f) is a radiation pattern of the packaged antenna module provided by the present invention with a vertical polarization scanning angle of -45° in the 28 GHz frequency band.
  • S11 and S22 are the reflection coefficients of the packaged antenna module in the horizontal and vertical directions, respectively, and S12 is the horizontal and vertical polarization of the packaged antenna module It can be seen that the packaged antenna module provided by the embodiment of the present invention has better isolation.
  • FIG. 9 is a graph of coverage efficiency of horizontally polarized antenna modules in the 28 GHz frequency band provided by an embodiment of the present invention. For 50% coverage, compared with the peak gain, the decrease is 8 dB;
  • FIG. 10 is an antenna provided by an embodiment of the present invention When the module is in the 28GHz frequency band, the vertical polarization coverage efficiency graph, for 50% coverage, compared with the peak gain, a decrease of 10dB, it can be seen that the antenna module provided by the embodiment of the present invention has better spatial coverage .
  • the packaged antenna module 100 includes a first antenna module 21, the first antenna module 21 includes a first antenna unit 22 and a second antenna unit 23, and the first antenna unit 22 includes a first The power feeding section 221 and the second power feeding section 222, the second antenna unit 23 includes a third power feeding section 231 and a fourth power feeding section 232, and the phase difference between the first power feeding section 221 and the third power feeding section 231 is 180 °, the phase difference between the second power feeder 222 and the fourth power feeder 232 is 180°, thereby improving the isolation of the packaged antenna module 100 and having better space coverage.

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  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

La présente invention concerne un module d'antenne dans un boîtier et un dispositif électronique. Le module antenne dans un boîtier comprend un premier élément d'antenne et un second élément d'antenne ; le premier élément d'antenne comprend une première partie d'alimentation et une deuxième partie d'alimentation, et le second élément d'antenne comprend une troisième partie d'alimentation et une quatrième partie d'alimentation ; la première partie d'alimentation est une partie d'alimentation de polarisation verticale du premier élément d'antenne, la deuxième partie d'alimentation est une partie d'alimentation de polarisation horizontale du premier élément d'antenne, la troisième partie d'alimentation est une partie d'alimentation de polarisation verticale du second élément d'antenne, et la quatrième partie d'alimentation est une partie d'alimentation de polarisation horizontale du second élément d'antenne ; et une différence de phase entre la première partie d'alimentation et la troisième partie d'alimentation est de 180 degrés, une différence de phase entre la deuxième partie d'alimentation et la quatrième partie d'alimentation est de 180 degrés, et une différence de phase entre le premier élément d'antenne et le second élément d'antenne est de 180 degrés. Le module d'antenne dans un boîtier et le dispositif électronique de la présente invention peuvent améliorer le degré d'isolation du module d'antenne dans un boîtier, et peuvent atteindre une capacité de couverture d'espace plus élevée.
PCT/CN2018/125819 2018-12-29 2018-12-29 Module d'antenne dans un boîtier et dispositif électronique WO2020133499A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2018/125819 WO2020133499A1 (fr) 2018-12-29 2018-12-29 Module d'antenne dans un boîtier et dispositif électronique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2018/125819 WO2020133499A1 (fr) 2018-12-29 2018-12-29 Module d'antenne dans un boîtier et dispositif électronique

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WO2020133499A1 true WO2020133499A1 (fr) 2020-07-02

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11201119B2 (en) 2018-06-06 2021-12-14 At&S Austria Technologie & Systemtechnik Aktiengesellschaft RF functionality and electromagnetic radiation shielding in a component carrier

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6147648A (en) * 1996-04-03 2000-11-14 Granholm; Johan Dual polarization antenna array with very low cross polarization and low side lobes
CN2615890Y (zh) * 2003-04-09 2004-05-12 中山市通宇通讯设备有限公司 一种双极化微带天线的馈电结构
CN101662068A (zh) * 2008-08-29 2010-03-03 华为技术有限公司 一种去耦组件、天线模块和天线阵列
CN105762138A (zh) * 2014-12-15 2016-07-13 财团法人工业技术研究院 整合式毫米波芯片封装结构
CN109088180A (zh) * 2018-08-12 2018-12-25 瑞声科技（南京）有限公司 Aog天线系统及移动终端

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6147648A (en) * 1996-04-03 2000-11-14 Granholm; Johan Dual polarization antenna array with very low cross polarization and low side lobes
CN2615890Y (zh) * 2003-04-09 2004-05-12 中山市通宇通讯设备有限公司 一种双极化微带天线的馈电结构
CN101662068A (zh) * 2008-08-29 2010-03-03 华为技术有限公司 一种去耦组件、天线模块和天线阵列
CN105762138A (zh) * 2014-12-15 2016-07-13 财团法人工业技术研究院 整合式毫米波芯片封装结构
CN109088180A (zh) * 2018-08-12 2018-12-25 瑞声科技（南京）有限公司 Aog天线系统及移动终端

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11201119B2 (en) 2018-06-06 2021-12-14 At&S Austria Technologie & Systemtechnik Aktiengesellschaft RF functionality and electromagnetic radiation shielding in a component carrier

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