WO2018232748A1 - Élément d'antenne intégré, unité d'antenne et antenne multiréseau associée - Google Patents

Élément d'antenne intégré, unité d'antenne et antenne multiréseau associée Download PDF

Info

Publication number
WO2018232748A1
WO2018232748A1 PCT/CN2017/089814 CN2017089814W WO2018232748A1 WO 2018232748 A1 WO2018232748 A1 WO 2018232748A1 CN 2017089814 W CN2017089814 W CN 2017089814W WO 2018232748 A1 WO2018232748 A1 WO 2018232748A1
Authority
WO
WIPO (PCT)
Prior art keywords
primary
pcb
conducting material
slot
ground
Prior art date
Application number
PCT/CN2017/089814
Other languages
English (en)
Inventor
Samb DOUDOU
Zhonglin Wu
Jiatong LIU
Qingchen Chu
Original Assignee
Tongyu Communication Inc.
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 Tongyu Communication Inc. filed Critical Tongyu Communication Inc.
Priority to PCT/CN2017/089814 priority Critical patent/WO2018232748A1/fr
Publication of WO2018232748A1 publication Critical patent/WO2018232748A1/fr

Links

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
    • H01Q1/2283—Supports; Mounting means by structural association with other equipment or articles mounted in or on the surface of a semiconductor substrate as a chip-type antenna or integrated with other components into an IC package
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/10—Resonant slot antennas
    • H01Q13/106—Microstrip slot antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system

Definitions

  • This application generally relates to the field of communication system, and particularly, to an integrated antenna element, an antenna unit and a Massive MIMO antenna thereof.
  • a main object of the present invention is to provide an antenna unit, which can
  • a secondary object of the present invention is to provide a multi-array antenna
  • a further object of the present invention is to provide an integrated antenna element, which has a compact and simple structure.
  • Another object of the present invention is to provide a transmission method.
  • the final object of the present invention is to provide a receiving method.
  • the integrated antenna element comprises a primary PCB and a conducting material used as a radiating element;
  • the filtering device has the primary PCB as a filter lid, and comprises one or more filters; each filter has one output formed on top of the primary PCB and capable of exciting the radiating element through slot-coupled fed.
  • each filter is a microstrip line formed on top of the primary PCB; each output of each filter is coupled to one slot formed on top of the primary PCB to excite an RF polarized-wave.
  • a conducting material layer is formed on top of the primary PCB as a primary ground; a secondary PCB is set on top of the primary ground; and another conducting material layer is formed on top of the secondary PCB as a secondary ground.
  • a primary microstrip line is etched on the primary ground to form a primary output of a primary filter; a primary slot is etched on the secondary ground coupled to the primary microstrip line on the primary ground, whereby a first RF polarized-wave can be excited from the primary slot.
  • a secondary microstrip line is etched on the primary ground on top of the primary PCB to form a secondary outlet of a secondary filter; a secondary slot is etched on the secondary ground coupled to the secondary microstrip line on the primary ground, whereby a second RF polarized-wave is excited from the secondary slot.
  • the primary microstrip line crosses the primary slot; and the secondary microstrip line crosses the secondary microstrip line; whereby to form a dual- polarization.
  • a size of the conducting material as the radiating element and its distance from the primary PCB is tuned to match a desired band of interest.
  • a fixture element is placed between the conducting material and the
  • the fixture element is a mechanical fixture and is used to keep the primary conducting material at the desired height.
  • the fixture element is a dielectric material.
  • more conducting materials are added on top of the primary conducting material for bandwidth improvement; the conducting material is in a shape of a panel parallel to the primary PCB.
  • the filtering device comprises two band-pass filters; the two filters are housed in same cavity so that a common lid can be used, or they are housed in different cavities where still a common lid is used.
  • two walls running parallel are extending close to filter edges of the filtering device to support a cavity of the one or more filters and at same time serving as re- fleeting walls enabling to control 3dB azimuth beam generated by the radiating element based on a height of the walls.
  • a multi-array antenna further provided in the present invention comprising multiple antenna units above, and the multiple antenna units are co-located to form sub-arrays.
  • an integrated antenna element provided in the present invention comprising a primary PCB and a conducting material as a radiating element placed above the primary PCB within a height; the primary PCB is used as a filter lid, a microstrip line as an output of one filter is formed on top of the PCB, and is capable of exciting the radiating element through slot-coupled fed.
  • the output of each filter is coupled to one slot formed on top of the primary PCB for exciting the radiating element to form an RF polarized-wave.
  • a transmission method is provided in accordance with the embodiment, comprising:
  • a receiving method is provided in accordance with the embodiment, comprising:
  • the present invention has advantages that:
  • a low cost, simple integrated antenna element is obtained since the microstrip line printed on top of the PCB that can be used to excite a conducting material (used as radiating element) through slot-coupled fed, so that no connector, and no die-casted and heavy support are needed between the radiating element and the feeding network.
  • a conducting material used as radiating element
  • FIG. 1 illustrates a cross-sectional view of an antenna element in accordance with an embodiment of the present invention
  • FIG. 2(a) illustrates a plan view of a primary ground in accordance with one embodiment of the present invention
  • FIG. 2(b) illustrates a plan view of a secondary ground in accordance with another embodiment of the present invention
  • FIG. 3 illustrates various slot structures for example (a), (b), (c) and (d) in accordance with one embodiment of the present invention
  • FIG. 4 illustrates a cross-sectional view of the antenna element in accordance with another embodiment of the present invention.
  • FIG. 5 represents the return loss for a system operating at center frequency of
  • FIG. 6 illustrates a cross-sectional view of a multi-array antenna element in accordance with another embodiment of the present invention.
  • the same element or the similar element is recited by the same reference number.
  • the primary PCB and the filter lid are referred as the same number "2"; and the conductive material, primary conductive material, and the radiating element are referred as the same number "6" for convenience.
  • the filtering device 1 comprises a filtering device 1 and an integrated antenna element 20.
  • the integrated antenna element 20 comprises a primary PCB 2 and a primary conducting material 6 used as the radiating element.
  • the filtering device 1 has the primary PCB 2 as a filter lid, and comprises one or more filters; each filter has one output formed on top of the primary PCB 2 and capable of exciting the radiating element 6 through slot-coupled fed to form an RF polarized-wave.
  • each filter is a microstrip line formed on top of the primary PCB 2; each output of each filter is coupled to one slot formed on top of the primary PCB 2 to excite an RF polarized-wave.
  • the first conducting material 6 for example in a shape of panel parallel to the
  • the antenna 200 as an integrated filter dual-polarized antenna is provided in accordance with this embodiment.
  • the filtering device 1 comprises a primary filter and a secondary filter (not labeled).
  • the primary filter has one input 100 and one output.
  • the secondary filter has one input 101 and one output.
  • the two filters can be housed in same cavity so that a common lid 2 can be used; or they can be housed in different cavities where still a common lid 2 is used.
  • the filters are band-pass filters.
  • a conducting material layer is formed on top surface of the primary PCB 2 and
  • the output of the primary filter is a primary microstrip line 8 etched on the primary ground 3.
  • a secondary PCB 4 is further provided on top of the primary ground 3.
  • Another conducting material layer is formed on top surface of the secondary PCB 4 and serves as a secondary ground 5.
  • the output of the secondary filter is a secondary microstrip line 7 etched on the
  • a primary slot 10 is etched on the secondary ground 5 coupled to the primary microstrip line 8 on the primary ground 3, and preferably crossing the primary microstrip line 8; so that a first RF polarized-wave 21 can be excited from the primary slot 10.
  • the microstrip line 8 is printed on top of the PCB 2 that can be used to excite the conducting material 6 through slot-coupled fed.
  • a secondary slot 9 is etched on the secondary ground 5 coupled to the secondary microstrip line 7 on the primary ground 3, and preferably crossing the secondary mi- crostrip line 7; so that a second RF polarized- wave 22 can be excited from the secondary slot 9.
  • the microstrip line 7 printed on top of the PCB 2 that can be used to excite the conducting material 6 through slot-coupled fed too.
  • the slot structure of slots 9, 10 is not limited and can be of rectangular, I-shaped 11 and 14, H-shaped 12, L-shaped 13, etc., referring to FIG. 3.
  • the slot 9 or 10 can be configured according to the microstrip line 7 or 8 to excite the corresponding conducting material 6 whereby to obtain various polarization not only of a dual polarization, or to obtain various dual-polarization, such as Horizontal and Vertical, Dual slant +/-45deg, etc.
  • the primary PCB 2 as the filter lid horizontally covered on top of the filtering device 1, the primary ground 3 which is a conducting material layer attached on top of the PCB 2, the secondary PCB 4 further horizontally covered on top of the ground 3, and the secondary ground 5 which is a conducting material layer attached on top of the PCB 4 together forms an integrated and compact antenna element 20 in a form of multilayer; where the microstrip line 7, 8 etched on primary ground 3 is coupled to the slot 9, 10 etched on the secondary ground 5 to form RF polarized waves.
  • At least a primary conducting material 6 for example in a shape of panel is placed above the secondary ground 5 within a height; so that the integrated filter dual- polarized antenna 200 can be obtained with the filters lid 2 serving also as grounding support of the coupled fed antenna.
  • This provides a low cost integrated design that can be used in a Massive MIMO or active antenna arrays as no connectors needed between filters and antenna element; and the antenna element 20 uses the filter output as feed line exciting a conducting material panel (cheap component) through slot 9, 10.
  • the size of the primary conducting material 6 and its distance from the primary and secondary slots 9, 10 can be tuned to match desired band of interest.
  • a size of the conducting material as the radiating element 6 and its distance from the primary PCB 2 is tuned to match a desired band of interest.
  • a secondary or more conducting materials 15, 16 can be added on top of the primary conducting material 6 for bandwidth improvement; and the shape of such conducting material can be square, rectangular, circular, or any other adapted shape.
  • two walls running parallel are extending close to the band-pass filter edges of the filtering device 1 to support the cavity of the filters and at same time serving as reflecting walls enabling to control the 3dB azimuth beam generated by the radiating element 20 and based on the height of the walls.
  • the figure represents the return loss for an antenna system operating at center frequency of 2.6GHz. It can be realized that 160MHz bandwidth is obtained for return loss requirements of -15dB.
  • a fixture element is placed between the primary conducting material 6 and the secondary ground for linking the primary conducting material 6 to the lid 2. And the primary and secondary slots 9, 10 do not need to have same structure. Any fixture element 30 are applicable for linking the primary conducting material on the lid 2, and conductive performance is not necessary to be considered.
  • the fixture element 30 can refer to a mechanical fixture. In other word, it can be a dielectric material, and is used just to keep the primary conducting material at the desired height.
  • the antenna unit 200 is proposed in accordance with above embodiments, where the compact filtering device 1 having the primary PCB 2 as lid with output being mi- crostrip line printed on top of the PCB that can be used to excite a conducting material 6 as the radiating element through slot-coupled fed, in such way that no connectors needed between filters and antenna element 20. Therefore, the antenna unit 200 has very simple structure and lower cost.
  • the filter lid 2 can be used as radiating element grounding support.
  • the antenna unit 200 is further can simplified cost down, and is adapted for a Massive MIMO antenna.
  • a Massive MIMO antenna as large sub-arrays is available by collocating multiple antenna units 200 above, and each antenna unit 200 is co-located to form sub-arrays.
  • Each input 100, 101 of the band-pass filter at its bottom end can be connected each to a Transmitting/Receiving circuit (from/to a radio unit)where each of the band-pass filter can keep narrow band width of signal of interest going through.
  • a transmission method of the present invention comprises:
  • a receiving method of the present invention comprises:
  • the term “comprising”, “comprises” or “composed of is intended to mean that the devices, systems, and methods include the recited elements, and may additionally include any other elements.
  • Consisting essentially of shall mean that the devices, systems, and methods include the recited elements and exclude other elements of essential significance to the combination for the stated purpose. Thus, a system or method consisting essentially of the elements as defined herein would not exclude other materials, features, or steps that do not materially affect the basic and novel char- acteristic(s) of the claimed invention.
  • Consisting of shall mean that the devices, systems, and methods include the recited elements and exclude anything more than a trivial or inconsequential element or step. Embodiments defined by each of these transitional terms are within the scope of this disclosure.

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Waveguide Aerials (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

L'invention concerne un élément d'antenne, une unité d'antenne et une antenne multiréseau. L'unité d'antenne comprend un dispositif de filtrage et un élément d'antenne intégré. L'élément d'antenne intégré comprend une PCB primaire et un matériau conducteur utilisé comme élément rayonnant. Le dispositif de filtrage comprend la PCB primaire comme couvercle à filtre, et comprend un ou plusieurs filtres; chaque filtre a une sortie formée sur le dessus de la PCB primaire et capable d'exciter l'élément rayonnant par l'intermédiaire d'une alimentation couplée par fente.
PCT/CN2017/089814 2017-06-23 2017-06-23 Élément d'antenne intégré, unité d'antenne et antenne multiréseau associée WO2018232748A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2017/089814 WO2018232748A1 (fr) 2017-06-23 2017-06-23 Élément d'antenne intégré, unité d'antenne et antenne multiréseau associée

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2017/089814 WO2018232748A1 (fr) 2017-06-23 2017-06-23 Élément d'antenne intégré, unité d'antenne et antenne multiréseau associée

Publications (1)

Publication Number Publication Date
WO2018232748A1 true WO2018232748A1 (fr) 2018-12-27

Family

ID=64735362

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2017/089814 WO2018232748A1 (fr) 2017-06-23 2017-06-23 Élément d'antenne intégré, unité d'antenne et antenne multiréseau associée

Country Status (1)

Country Link
WO (1) WO2018232748A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110034391A (zh) * 2019-04-26 2019-07-19 维沃移动通信有限公司 一种终端设备

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040036661A1 (en) * 2002-08-22 2004-02-26 Hanlin John Joseph Dual band satellite communications antenna feed
US20060273975A1 (en) * 2005-06-01 2006-12-07 Accton Technology Corporation Antenna structure
US20090231226A1 (en) * 2006-10-11 2009-09-17 Raytheon Company Dual band active array antenna
CN103700941A (zh) * 2013-12-20 2014-04-02 惠州硕贝德无线科技股份有限公司 一种终端分集接收天线

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040036661A1 (en) * 2002-08-22 2004-02-26 Hanlin John Joseph Dual band satellite communications antenna feed
US20060273975A1 (en) * 2005-06-01 2006-12-07 Accton Technology Corporation Antenna structure
US20090231226A1 (en) * 2006-10-11 2009-09-17 Raytheon Company Dual band active array antenna
CN103700941A (zh) * 2013-12-20 2014-04-02 惠州硕贝德无线科技股份有限公司 一种终端分集接收天线

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110034391A (zh) * 2019-04-26 2019-07-19 维沃移动通信有限公司 一种终端设备

Similar Documents

Publication Publication Date Title
US10629997B2 (en) Radiating integrated antenna unit and multi-array antenna of same
US10044111B2 (en) Wideband dual-polarized patch antenna
US11165158B2 (en) Integrated antenna element, antenna unit, multi-array antenna, transmission method and receiving method of same
US8836596B2 (en) Filter antenna
US20200044327A1 (en) Integrated antenna unit, multi-array antenna, transmission method and receiving method of same
AU724045B2 (en) Antenna mutual coupling neutralizer
CN110112574B (zh) 一种可重构超宽带阵列天线
US9859618B2 (en) Ridged horn antenna having additional corrugation
CN104900998A (zh) 低剖面双极化基站天线
WO2012088837A1 (fr) Antenne réseau de terminal mobile et procédé de mise en œuvre
EP3465823B1 (fr) Antenne alimentée en c formée sur le bord d'une carte de circuit imprimé multicouche
CN103703620A (zh) 宽带双极化阵列天线及基站
CN103606745A (zh) 一种低剖面紧凑型双频段双极化共口径微带天线
US7812768B2 (en) Multiple input multiple output antenna
CN107004954B (zh) 双频天线和天线系统
CN110401020B (zh) 天线单元和电子设备
KR20150054272A (ko) 이동 통신 기지국용 이중 편파 안테나
US20150145741A1 (en) Wideband Simultaneous Transmit And Receive (STAR) Antenna With Miniaturized TEM Horn Elements
CN104885291A (zh) 天线和滤波器结构
EP3975336A1 (fr) Unité d'antenne et dispositif électronique
CN210040568U (zh) 单层同轴馈电双极化微带阵列天线
CN213184578U (zh) 一种小型化线极化、双极化、圆极化和三极化5g天线
US20010048400A1 (en) Low profile, broadband, dual mode, modified notch antenna
WO2018232748A1 (fr) Élément d'antenne intégré, unité d'antenne et antenne multiréseau associée
WO2015185150A1 (fr) Combinaison de deux liaisons radio à deux porteuses

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17914468

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 17914468

Country of ref document: EP

Kind code of ref document: A1

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205 DATED 14.05.2020)

122 Ep: pct application non-entry in european phase

Ref document number: 17914468

Country of ref document: EP

Kind code of ref document: A1