CN105990684A - Radiation unit and dual-polarization antenna - Google Patents

Radiation unit and dual-polarization antenna Download PDF

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Publication number
CN105990684A
CN105990684A CN201510080402.1A CN201510080402A CN105990684A CN 105990684 A CN105990684 A CN 105990684A CN 201510080402 A CN201510080402 A CN 201510080402A CN 105990684 A CN105990684 A CN 105990684A
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Prior art keywords
feed tab
feed
cable
wavelength
tab
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Granted
Application number
CN201510080402.1A
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Chinese (zh)
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CN105990684B (en
Inventor
徐澄宇
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Anfersch Technology Co
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RFS Radio Frequency Systems Shanghai Co Ltd
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Priority to CN201510080402.1A priority Critical patent/CN105990684B/en
Priority to PCT/CN2016/073346 priority patent/WO2016127893A1/en
Publication of CN105990684A publication Critical patent/CN105990684A/en
Application granted granted Critical
Publication of CN105990684B publication Critical patent/CN105990684B/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/50Structural association of antennas with earthing switches, lead-in devices or lightning protectors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/10Combinations 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/24Polarising devices; Polarisation filters 

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  • Waveguide Aerials (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Aerials With Secondary Devices (AREA)

Abstract

The invention provides a radiation unit comprising a square radiation paster, a first feed sheet, a second feed sheet, a reflecting plate, and a first cable and a second cable. The first feed sheet and the second feed sheet are suspended below the square radiation paster; the first feed sheet is configured to realize +45-degree polarization; and the second feed sheet is configured to realize -45-degree polarization. The reflecting plate is arranged below the first feed sheet and the second feed sheet. An inner conductor of the first cable passes through the reflecting plate and is connected to the first feed sheet; and an inner conductor of the second cable passes through the reflecting plate and is connected to the second feed sheet. A distance between the square radiation paster and the reflecting plate is equal to a wavelength of 0.115 to 0.133; distances from the first feed sheet and the second feed sheet to the reflecting plate is equal to a wavelength of 0.07 to 0.08; and a distance from the first feed sheet and the second feed sheet to the square radiation paster is equal to a wavelength of 0.044 to 0.051. In addition, the invention also provides a dual-polarization antenna including the radiation unit array.

Description

Radiating element and dual polarized antenna
Technical field
The present invention generally relates to wireless communication field, more specifically, relates to a kind of radiation Unit and include the dual polarized antenna of this radiating element.
Background technology
In mobile communication system, antenna for base station as a necessary component of base station, its Achieve the transmission of wireless signal and determine the coverage of network.Dual polarized antenna is one Kind of new antenna technology, the antennas that+45 ° and-45 ° two secondary polarised directions of a combination thereof are mutually orthogonal And be operated under transmission duplex pattern, therefore, dual polarized antenna can save single directional. simultaneously The antenna amount of base station.
At present, dual polarized antenna generally uses balance balun feed mode, wherein, as support The height of the balance balun of part and balanced fed element, it is generally required to 1/4th wavelength, changes speech It, use the radiating element more difficult breakthrough quarter-wave that balance balun feed mode is designed to The restriction of height, thus limit the volume of antenna for base station to a certain extent.Additionally, use The radiating element that balance balun feed mode designs, its required part is more, installs more Complexity, and relatively costly.
Therefore, it is necessary to provide radiating element and the dual polarized antenna of a kind of improvement.
Summary of the invention
For problem above, the present invention proposes the dual polarized antenna of a kind of novel couple feed And its radiating element.
According to an aspect of the present invention, it is proposed that a kind of radiating element, it is characterised in that bag Include: square radiation patch;First feed tab and the second feed tab, its be suspended in described just The lower section of square-shaped radiation paster, described first feed tab is configured to realize+45 ° of polarization, described Second feed tab is configured to realize-45 ° of polarization;Reflecting plate, it is positioned at described first feed tab Lower section with described second feed tab;And first cable and the second cable, described first cable Inner wire through described reflecting plate and be connected to described first feed tab, described second cable Inner wire through described reflecting plate and be connected to described second feed tab;Wherein, described just Square-shaped radiation paster is 0.115~0.133 wavelength to the distance of described reflecting plate, described first feedback The distance of electricity sheet and described second feed tab extremely described reflecting plate is 0.07~0.08 wavelength, described The distance of the first feed tab and described second feed tab the most described square radiation patch is 0.044~0.051 wavelength.
In one embodiment, above-mentioned radiating element also includes: the 3rd feed tab and the 4th feed Sheet, it is suspended in the lower section of described square radiation patch, wherein said first feed tab and institute State the 3rd feed tab and be configured to realize+45 ° of polarization, described second feed tab and described 4th feedback Electricity sheet is configured to realize-45 ° of polarization;And the 3rd cable and the 4th cable, described 3rd electricity The inner wire of cable is through described reflecting plate and is connected to described 3rd feed tab, described 4th electricity The inner wire of cable is through described reflecting plate and is connected to described 4th feed tab;Wherein, described A length of 0.33~0.38 wavelength of square radiation patch, described first feed tab, described the Two feed tab, described 3rd feed tab and a length of the 0.111~0.128 of described 4th feed tab Wavelength, width is 0.055~0.064 wavelength.
Advantageously, the distance of described square radiation patch to described reflecting plate is 0.124 wavelength, The distance of described first feed tab and described second feed tab extremely described reflecting plate is 0.075 ripple Long, described first feed tab and the distance of described second feed tab the most described square radiation patch It it is 0.048 wavelength.
Advantageously, a length of 0.355 wavelength of described square radiation patch, described first feedback Electricity sheet, described second feed tab, described 3rd feed tab and described 4th feed tab a length of 0.12 wavelength, width is 0.06 wavelength.
In order to realize+45 ° and-45 ° of polarization, advantageously, described first feed tab, described second Feed tab, described 3rd feed tab and described 4th feed tab are in the same plane, and described One feed tab and described 3rd feed tab are along one article of diagonal pair of described square radiation patch Claiming to arrange, described second feed tab and described 4th feed tab are along described square radiation patch Another diagonal is symmetrical arranged.
In one example, described first cable, described second cable, described 3rd cable and The inner wire of described 4th cable is respectively connecting to described first feed tab, described second feed Sheet, described 3rd feed tab and the diagonal intersection point of described 4th feed tab.
Described square radiation patch can be such as sheet metal or cover copper pcb board.Similarly, Described first feed tab, described second feed tab, described 3rd feed tab and described 4th feed Arbitrary feed tab in sheet can be such as sheet metal or cover copper pcb board.
According to an aspect of the present invention, it is proposed that a kind of dual polarized antenna, it includes taking up an official post The array of the radiating element in one embodiment.
The radiating element of various embodiments of the present invention and dual polarized antenna can be effectively reduced spoke The part penetrating paster to the section distance between reflecting plate and required is less, installs the most relative Simply.
Accompanying drawing explanation
After description by the detailed description of the invention of the present invention with reference to given by drawings below, It is better understood with the present invention, and other objects of the present invention, details, feature and advantage will Become more fully apparent.In the accompanying drawings:
Fig. 1 is the axonometric chart of the radiating element according to one embodiment of the present of invention;
Fig. 2 is the side view of the radiating element according to one embodiment of the present of invention;And
Fig. 3 is the top view of the radiating element according to one embodiment of the present of invention.
Detailed description of the invention
It is more fully described the preferred implementation of the disclosure below with reference to accompanying drawings.Although accompanying drawing In show the preferred implementation of the disclosure, however, it is to be appreciated that can be real in a variety of manners Show the disclosure and should not limited by embodiments set forth herein.On the contrary, it is provided that these are implemented Mode is to make the disclosure more thorough and complete, and can be complete by the scope of the present disclosure Convey to those skilled in the art.
Fig. 1 shows the schematic diagram of radiating element according to an embodiment of the invention.Reference Fig. 1, exemplary radiating element 10 include square radiation patch 11, the first feed tab 12a, Second feed tab 12b, the 3rd feed tab 12c, the 4th feed tab 12d, reflecting plate 13, the One cable 14a, the second cable 14b, the 3rd cable 14c and the 4th cable 14d.
First feed tab 12a, the second feed tab 12b, the 3rd feed tab 12c and the 4th feed Sheet 12d is suspended in below square radiation patch 11.Wherein, the first feed tab 12a and Three feed tab 12c are used for realizing+45 ° of polarization, the second feed tab 12b and the 4th feed tab 12d For realizing-45 ° of polarization.Reflecting plate 13 is positioned at the first feed tab 12a, the second feed tab 12b, Below 3rd feed tab 12c and the 4th feed tab 12d.Square radiation patch 11 and the One, second, third and the 4th feed tab 12a, 12b, 12c and 12d can pass through support member Being fixed to reflecting plate 13, this support member can be made up of electrically non-conductive materials such as such as plastics.
Referring now still to Fig. 1, the inner wire of the first cable 14a is through reflecting plate 13 and is connected to the One feed tab 12a, is used for realizing feed.Similarly, the inner wire of the second cable 14b passes Reflecting plate 13 and be connected to the second feed tab 12b, the inner wire of the 3rd cable 14c is through anti- Penetrating plate 13 and be connected to the 3rd feed tab 12c, the inner wire of the 4th cable 14d is through reflection Plate 13 and be connected to the 4th feed tab 12d.This first, second, third and fourth cable 14a, 14b, 14c and 14d can be such as coaxial cables, specifically, as shown in Figure 2, The dielectric layer 122 of coaxial cable is through reflecting plate 13, and outer conductor 123 is positioned at reflecting plate 13 times Side, inner wire 121 upwardly extends and is connected to feed tab.This first, second, third and fourth The inner wire of cable 14a, 14b, 14c and 14d can be connected to by the way of such as welding First, second, third and fourth feed tab 12a, 12b, 12c and 12d.May be appreciated It is, the inner wire of this first, second, third and fourth cable 14a, 14b, 14c and 14d Can also by other any suitable by the way of be connected to first, second, third and fourth feed Sheet 12a, 12b, 12c and 12d.
In order to realize+45 ° and-45 ° of polarised directions, advantageously, this first, second, third He 4th feed tab 12a, 12b, 12c and 12d are in the same plane, wherein, and the first feed Sheet 12a and the 3rd feed tab 12c are along one article of diagonal symmetry of square radiation patch 11 Arranging, the second feed tab 12b and the 4th feed tab 12d are along square radiation patch 11 Another diagonal is symmetrical arranged, as shown in Figure 3.
Distance d of square radiation patch 11 to reflecting plate 131Determine based on bandwidth requirements, Such as, distance d1It is 0.115~0.133 wavelength, advantageously, distance d1It it is 0.124 wavelength. First, second, third and fourth feed tab 12a, 12b, 12c and 12d are to reflecting plate 13 Distance d2For example, 0.07~0.08 wavelength, advantageously, distance d2It it is 0.075 wavelength.The One, second, third and the 4th feed tab 12a, 12b, 12c and 12d are to square radiation patch Distance d of sheet 113For example, 0.044~0.051 wavelength, advantageously, distance d3It is 0.048 Wavelength.
The length of side of square radiation patch 11 is such as 0.33~0.38 wavelength, advantageously, the length of side It it is 0.355 wavelength.First, second, third and fourth feed tab 12a, 12b, 12c and 12d Can be such as rectangle, its a length of such as 0.111~0.128 wavelength, width be such as 0.055~0.064 wavelength, advantageously, a length of 0.12 wavelength, width is 0.06 wavelength.
Normally, first, second, third and fourth cable 14a, 14b, 14c and 14d Inner wire and first, second, third and fourth feed tab 12a, 12b, 12c and the company of 12d Contact (that is, distributing point) is the cornerwise intersection point of rectangle feed tab.It is understood that In order to port Impedance coupling is better achieved, distributing point can also be arranged on the attached of diagonal intersection point Closely.
Square radiation patch 11 can be sheet metal, and such as, copper, aluminum, aluminum are tin plating, Or can also be the pcb board covering copper.Similarly, first, second, third and fourth feedback Electricity sheet 12a, 12b, 12c and 12d can be sheet metals, and such as, copper, aluminum, aluminum are tin plating, Or can also be the pcb board covering copper.
It should be noted that above embodiment is to include as a example by four feed tab by radiating element The description carried out, it is to be understood that in other embodiments, radiating element can also only wrap Including two feed tab, one of them feed tab is used for realizing+45 ° of polarization, and another feed tab is used In realizing-45 ° of polarization.
Multiple radiating elements in the above embodiment of the present invention are arranged with array way, can be with structure Become double polarization array antenna.
It will be appreciated to those of skill in the art that above-mentioned state is used only for example, not For limiting the range of application of the present invention.Those skilled in the art can for every kind specific should With, in the way of flexible, realize described function, but, this realize decision-making and should not explain For deviating from protection scope of the present invention.

Claims (9)

1. a radiating element, it is characterised in that including:
Square radiation patch;
First feed tab and the second feed tab, it is suspended under described square radiation patch Side, described first feed tab is configured to realize+45 ° of polarization, and described second feed tab is joined It is set to realize-45 ° of polarization;
Reflecting plate, it is positioned at described first feed tab and the lower section of described second feed tab;
First cable and the second cable, the inner wire of described first cable is through described reflecting plate also And it being connected to described first feed tab, the inner wire of described second cable passes described reflecting plate And it is connected to described second feed tab;
Wherein, described square radiation patch is 0.115~0.133 to the distance of described reflecting plate Wavelength, described first feed tab and described second feed tab to the distance of described reflecting plate are 0.07~0.08 wavelength, described first feed tab and described second feed tab are to described square spoke The distance penetrating paster is 0.044~0.051 wavelength.
Radiating element the most according to claim 1, it is characterised in that also include:
3rd feed tab and the 4th feed tab, it is suspended under described square radiation patch Side, wherein said first feed tab and described 3rd feed tab are configured to realize+45 ° of polarization, Described second feed tab and described 4th feed tab are configured to realize-45 ° of polarization;
3rd cable and the 4th cable, the inner wire of described 3rd cable is through described reflecting plate also And it being connected to described 3rd feed tab, the inner wire of described 4th cable passes described reflecting plate And it is connected to described 4th feed tab;
Wherein, a length of 0.33~0.38 wavelength of described square radiation patch, described first Feed tab, described second feed tab, described 3rd feed tab and the length of described 4th feed tab Degree is 0.111~0.128 wavelength, and width is 0.055~0.064 wavelength.
Radiating element the most according to claim 1 and 2, it is characterised in that described pros Shape radiation patch is 0.124 wavelength to the distance of described reflecting plate, described first feed tab and institute Stating the second feed tab to the distance of described reflecting plate is 0.075 wavelength, described first feed tab and Described second feed tab is 0.048 wavelength to the distance of described square radiation patch.
Radiating element the most according to claim 2, it is characterised in that described square spoke Penetrate a length of 0.355 wavelength of paster, described first feed tab, described second feed tab, institute Stating the 3rd feed tab and a length of 0.12 wavelength of described 4th feed tab, width is 0.06 ripple Long.
Radiating element the most according to claim 2, it is characterised in that described first feed Sheet, described second feed tab, described 3rd feed tab and described 4th feed tab are in same In plane, described first feed tab and described 3rd feed tab are along described square radiation patch A diagonal be symmetrical arranged, described second feed tab and described 4th feed tab are along described Another diagonal of square radiation patch is symmetrical arranged.
Radiating element the most according to claim 2, it is characterised in that described first cable, The inner wire of described second cable, described 3rd cable and described 4th cable is respectively connecting to Described first feed tab, described second feed tab, described 3rd feed tab and described 4th feedback The diagonal intersection point of electricity sheet.
Radiating element the most according to claim 1 and 2, it is characterised in that described pros Shape radiation patch is sheet metal or covers copper pcb board.
Radiating element the most according to claim 2, it is characterised in that described first feed Sheet, described second feed tab, arbitrary in described 3rd feed tab and described 4th feed tab Feed tab is sheet metal or covers copper pcb board.
9. a dual polarized antenna, it is characterised in that include as any one of claim 1-8 The array of described radiating element.
CN201510080402.1A 2015-02-13 2015-02-13 Radiating element and dual polarized antenna Active CN105990684B (en)

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CN201510080402.1A CN105990684B (en) 2015-02-13 2015-02-13 Radiating element and dual polarized antenna
PCT/CN2016/073346 WO2016127893A1 (en) 2015-02-13 2016-02-03 Radiation unit and bipolar antenna

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Application Number Priority Date Filing Date Title
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Cited By (6)

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CN107959110A (en) * 2017-11-15 2018-04-24 南京濠暻通讯科技有限公司 A kind of GSM dual polarized panel antennas
CN109037906A (en) * 2018-06-04 2018-12-18 深圳市飞荣达科技股份有限公司 A kind of dual polarized antenna based on plastic cement electroplating technology
CN110649366A (en) * 2019-09-20 2020-01-03 维沃移动通信有限公司 Antenna and electronic equipment
CN110649376A (en) * 2019-09-06 2020-01-03 维沃移动通信有限公司 Antenna and electronic equipment
WO2020133321A1 (en) * 2018-12-29 2020-07-02 瑞声精密制造科技(常州)有限公司 Antenna unit and array antenna
WO2020143665A1 (en) * 2019-01-10 2020-07-16 维沃移动通信有限公司 Antenna structure and communication terminal

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US10931014B2 (en) 2018-08-29 2021-02-23 Samsung Electronics Co., Ltd. High gain and large bandwidth antenna incorporating a built-in differential feeding scheme

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CN204441474U (en) * 2015-02-13 2015-07-01 安弗施无线射频系统(上海)有限公司 Radiating element and dual polarized antenna

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US20070046558A1 (en) * 2005-08-26 2007-03-01 Ems Technologies, Inc. Method and System for Increasing the Isolation Characteristic of a Crossed Dipole Pair Dual Polarized Antenna
CN2916958Y (en) * 2005-12-10 2007-06-27 烟台高盈科技有限公司 90 degree dual polarized plate-shaped base station antenna
CN101944654A (en) * 2009-05-26 2011-01-12 香港城市大学 Isolation enhancement technique for dual-polarized probe-fed patch antenna
CN104009299A (en) * 2014-05-14 2014-08-27 上海交通大学 Dual-polarization base station antenna
CN204441474U (en) * 2015-02-13 2015-07-01 安弗施无线射频系统(上海)有限公司 Radiating element and dual polarized antenna

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107959110A (en) * 2017-11-15 2018-04-24 南京濠暻通讯科技有限公司 A kind of GSM dual polarized panel antennas
CN109037906A (en) * 2018-06-04 2018-12-18 深圳市飞荣达科技股份有限公司 A kind of dual polarized antenna based on plastic cement electroplating technology
WO2020133321A1 (en) * 2018-12-29 2020-07-02 瑞声精密制造科技(常州)有限公司 Antenna unit and array antenna
WO2020143665A1 (en) * 2019-01-10 2020-07-16 维沃移动通信有限公司 Antenna structure and communication terminal
CN110649376A (en) * 2019-09-06 2020-01-03 维沃移动通信有限公司 Antenna and electronic equipment
CN110649366A (en) * 2019-09-20 2020-01-03 维沃移动通信有限公司 Antenna and electronic equipment

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