CN109962341A - Antenna structure and relevant building and application method - Google Patents

Antenna structure and relevant building and application method Download PDF

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Publication number
CN109962341A
CN109962341A CN201811588021.4A CN201811588021A CN109962341A CN 109962341 A CN109962341 A CN 109962341A CN 201811588021 A CN201811588021 A CN 201811588021A CN 109962341 A CN109962341 A CN 109962341A
Authority
CN
China
Prior art keywords
antenna
channel
frequency
dipole
frequency band
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201811588021.4A
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Chinese (zh)
Inventor
保罗·尼森
刘柴伟
约瑟夫·阿麦兰·劳尔·伊曼纽尔
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Netgear Inc
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Netgear 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
Priority claimed from US15/853,636 external-priority patent/US10236578B2/en
Application filed by Netgear Inc filed Critical Netgear Inc
Publication of CN109962341A publication Critical patent/CN109962341A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/36Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/36Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • 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
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/52Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/52Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H01Q1/521Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
    • H01Q1/523Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas between antennas of an array
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00Antenna arrays or systems
    • H01Q21/06Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/061Two dimensional planar arrays
    • H01Q21/062Two dimensional planar arrays using dipole aerials
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00Antenna arrays or systems
    • H01Q21/06Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/08Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a rectilinear path
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/20Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30Arrangements for providing operation on different wavebands
    • H01Q5/307Individual or coupled radiating elements, each element being fed in an unspecified way
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04Resonant antennas
    • H01Q9/16Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
    • H01Q9/28Conical, cylindrical, cage, strip, gauze, or like elements having an extended radiating surface; Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines

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  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

Disclose improved antenna structure, system and manufacturing method.In one embodiment, the internal 2G/5G antenna of low cost has flat metal dipole structure, may include reinforcing member.External embodiment includes having four dipole antenna configurations of broadside or angle array.The multiband center of isolation or end feeding dipole antenna may include single side PCB or only metalliferous structure, for the operation at least two different frequencies, and can provide RF isolation, such as with RF trapper or balanced-unbalanced transformer system.With the characteristics of the embodiment of the non-channel DC or straight-through double frequency band aerial is with trapper structure and discrete or distribution matching, and DC feed throughs can be provided for LED.The omnidirectional antenna of low profile and flat vertical polarization, such as being operated at 915MHz, including fluting driving chamber.It stacks 2G/5G antenna structure and axial symmetry is provided between quadrant.Improved construction method and antenna structure include the thin metal parts and low cost of enhancing, the construction method only crimped.

Description

Antenna structure and relevant building and application method
Cross reference to related applications
This application claims the priority for the 15/853rd, No. 636 U.S. Patent application submitted on December 22nd, 2017, Full content is herein incorporated by reference.
Technical field
At least one embodiment of the invention is related to the antenna structure for wireless device.At least one of the invention is special Determine embodiment and be related to antenna structure, complexity and manufacturing cost decrease.
Background technique
Wi-Fi equipment is increasingly used in a variety of houses of indoor and outdoors application, business, education, business and work In industry environment.Therefore it provides the demand then significant increase that single band is connected with multi-band wireless.
Although the demand to this wireless connection is provided is continuously increased, it is such as configured to 2G and/or 5G operation The high manufacturing cost and complexity of many current wireless antennas then make us hanging back.
Equally, many commonly-used wireless antenna can not provide acceptable isolation and/or gain characteristic.
Coaxial feeding (coaxfeeds) is commonly used in feeding signals in dipole antenna configuration, to provide 2G and/or 5G Operation, wherein coaxial external shield (shield) is connected only on half dipole, and the center conductor of coaxial feeding is then connected to In the other half dipole structure.This connection normally results in isolation and loses.
Brief Description Of Drawings
One or more embodiments of the invention are shown in the figure of attached drawing by way of example, and not limitation, In similar appended drawing reference indicate similar element.
Fig. 1 is the schematic diagram for the 2G or 5G illustrative internal antenna structure operated, can be by single metal piece system At.
Fig. 2 is the schematic diagram for another illustrative internal antenna structure of 5G operation, can be by sheet metal system At, and integrated shunt capacitor and corresponding inductor are provided.
Fig. 3 can be made of single metal piece for the schematic diagram of another illustrative internal antenna structure of 5G operation, And provide integrated shunt capacitor and corresponding inductor.
Fig. 4 shows the illustrative implementation of four dipole broadsides (four dipole broadside) 2G/5G aerial array Scheme can be configured for 2G/5G antenna system in some embodiments, while provide letter between each antenna element Number isolation.
Fig. 5 is the chart of the reflection coefficient of four dipole broadside 2G/5G aerial arrays, is presented in the form of frequency function, Such as the relationship with 30dB shielding wire (isolation line).
Fig. 6 is the 2D beam radiation pattern for showing the illustrative embodiment of four dipole broadside 2G/5G aerial arrays Chart.
Fig. 7 shows the illustrative embodiment of four dipoles (quad dipole) angle 2G/5G (corner) aerial array, It has 0 degree of PCB ground line gradient (ground slope).
Fig. 8 is the chart of the reflection coefficient between the different antennae element of four dipole broadside 2G/5G aerial arrays, with frequency The form of rate function is presented.
Fig. 9 is the chart for showing the 2D beam radiation pattern of illustrative embodiment of four angle dipole 2G/5G aerial arrays.
Figure 10 is the 2G square between the different antennae element of four dipole angle aerial arrays of the system of rated frequency 2.45GHz The chart of shape reflection coefficient is presented in the form of frequency function.
Figure 11 shows illustrative three-dimensional (3D) 2.45GHz beam pattern of four dipole angle aerial arrays.
Figure 12 shows the illustrative vertical radiation pattern of four dipole angle aerial arrays, and it illustrates be remotely located from PCB's The radiation pattern that center carries out observation and inwardly the center of PCB is observed.
Figure 13 shows the radiation pattern of four angle the dipole 2G/5G arrays with 0 degree of PCB ground line gradient, including is used for The azimuth of 2.4GHz and 5.3GHz frequency, diagonal line and remaining diagonal (co-diagonal) radiation pattern.
Figure 14 is to be directed to the illustrative angle the four dipoles 2G/5G array with 0 degree of PCB ground line gradient as shown in Figure 7 not With the chart of return loss/isolation (return loss/isolation) between antenna element, it is in the form of frequency function It is existing.
Figure 15 is the survey for summarizing the illustrative angle the four dipoles 2G/5G array with 0 degree of PCB ground line gradient as shown in Figure 7 The table of test result.
Figure 16 shows the illustrative embodiment of four angle dipole 2G/5G aerial arrays, and wherein array is with having 10 degree of PCB The face gradient.
Figure 17 shows the radiation patterns of four angle dipole 2G/5G aerial arrays shown in Figure 16.
Figure 18 is the echo damage between the different antennae element for the illustrative angle 2G/5G aerial array shown in Figure 16 Consumption/isolation chart is presented in the form of frequency function.
Figure 19 is to provide the matrix form of the test result of the illustrative angle 2G/5G array shown in Figure 16, is configured with 10 degree of PCB ground line gradients.
Figure 20 shows the illustrative embodiment of four angle dipole 2G/5G aerial arrays, with 15 ground PCB slope Degree.
Figure 21 shows the radiation of four angle dipole 2G/5G aerial arrays shown in Figure 20 with 15 degree of PCB ground line gradients Pattern.
Figure 22 is return loss/isolation between the different antennae element of the illustrative angle 2G/5G array shown in Figure 20 Chart, in the form of frequency function present.
Figure 23 is the table for showing the test result of the illustrative angle 2G/5G aerial array shown in Figure 20, has 15 degree PCB ground line gradient.
Figure 24 shows illustrative dual-band dipole antenna, with a pair of channels (path) structure, and is located at channel Dipole feed point (dipole feedpoint) in central area between structure.
Figure 25 is the schematic diagram of illustrative dual-band dipole antenna, wherein shielding with center conductor and external conductive same Shaft cable is connected to first passage structure and second channel structure.
Figure 26 is the schematic diagram of exemplary center feeding dual-band dipole antenna, and standard coaxial cable is fed in center-fed First passage structure and the second paths structure are connected at point.
Figure 27 is the schematic diagram of exemplary center feeding dual-band dipole antenna, wherein balanced-unbalanced transformer (balun) for coaxial cable feeding to be connected to first passage structure and second channel structure at center-fed point.
Figure 28 is the schematic diagram for the illustrative center-fed dipole antenna configuration of single band operation, wherein balance-is no Balance converter structure and single-band antenna are set up as the metal layer on the unilateral side of printed circuit board.
Figure 29 is the schematic diagram of the illustrative center-fed dipole antenna configuration for dual-band operation, wherein balance-is no Balance converter structure and double frequency band aerial are set up as the metal layer on the unilateral side of printed circuit board.
Figure 30 is the schematic diagram of the illustrative center-fed dipole antenna configuration for dual-band operation, wherein balance-is no Balance converter channel and double frequency band aerial are set up as the metal layer on printed circuit board, and complete with coaxial feeding cable At balanced-unbalanced transformer structure.
Figure 31 is the expansion assembled view of illustrative center-fed dipole antenna configuration shown in Figure 30.
Figure 32 is the schematic diagram of illustrative end feeding (end fed) dipole antenna configuration.
Figure 33 shows the detailed assembled view of crimp assemblies (crimp assembly), so as in conductive antenna lead and Steady and inexpensive connection is provided between antenna.
Figure 34 is the schematic diagram of the illustrative non-channel the DC 2G/5G antenna for 2G/5G antenna comprising 2G and 5G trap Device device (trap) structure.
Figure 35 shows the detailed view of the illustrative non-channel DC 2G/5G antenna structure.
Figure 36 is the myopia for the distribution mating structure of the illustrative non-channel DC 2G/5G antenna shown in such as Figure 35 Figure.
Figure 37 is the partial close-up view of illustrative double 2G/5G trapper structures for the non-channel DC 2G/5G antenna.
Figure 38 be show it is matched for the illustrative discrete inductance and capacitor (L&C) of the non-channel DC 2G/5G antenna structure Smith's chart (Smith Chart).
Figure 39 is using discrete inductance and the matched echo damage of capacitor (L&C) with the non-channel DC 2G/5G antenna structure The chart of consumption is presented in the form of frequency function.
Figure 40 is for the discrete inductance and capacitor (L&C) using the non-channel DC 2G/5G antenna as disclosed herein First example chart of the radiation efficiency matched is presented in the form of frequency function.
Figure 41 is for the discrete inductance and capacitor (L&C) using the non-channel DC 2G/5G antenna as disclosed herein Second example chart of the radiation efficiency matched is presented in the form of frequency function.
Figure 42 is the side in the X-Y plane shown using the illustrative embodiment of 2G/5G antenna as disclosed herein The chart of parallactic angle radiation pattern.
Figure 43 is facing upward in the X-Z plane shown using the illustrative embodiment of 2G/5G antenna as disclosed herein The chart of angle (elevation) radiation pattern.
Figure 44 is facing upward in the Y-Z plane shown using the illustrative embodiment of 2G/5G antenna as disclosed herein The chart of angular radiation pattern case.
Figure 45 be include 2G and 5G trapper structure the illustrative channel DC 2G/5G antenna schematic diagram.
Figure 46 is for including the double frequency-band feedthrough of the illustrative channel the DC 2G/5G antenna of 2G and 5G trapper structure The matched perspective diagram of distribution of (feed through).
Figure 47 is the detailed partial view of the double frequency-band feedthrough for 2G/5G antenna.
Figure 48 is the matching for (such as powering for vehicle LED) illustrative 2G/5G antenna, feeding and DC bypass Close-up view.
Figure 49 is Smith's chart for the illustrative channel DC 2G/5G antenna.
Figure 50 is using discrete inductance and the matched echo damage of capacitor (L&C) with the illustrative channel DC 2G/5G antenna The curve graph of consumption is presented in the form of frequency function.
Figure 51 is the discrete inductance and capacitor (L&C) using the illustrative channel DC 2G/5G antenna as disclosed herein First exemplary graph of the radiation efficiency (dB) matched is presented in the form of frequency function.
Figure 52 is the discrete inductance and capacitor (L&C) using the illustrative channel DC 2G/5G antenna as disclosed herein Second exemplary graph of the radiation efficiency matched is presented in the form of frequency function.
Figure 53 is the illustrative embodiment for example for the balanced dual-band inner flat metal antenna of 2G/5G equipment Schematic diagram.
Figure 54 is another illustrative implementation for example for the balanced dual-band inner flat metal antenna of 2G/5G service The schematic diagram of scheme.
Figure 55 is the chart for the reflecting properties for balancing the illustrative embodiment of 2G/5G inner flat metal antenna, It is presented in the form of frequency function.
Figure 56 is the Smith's chart for balancing the illustrative embodiment of 2G/5G inner flat metal antenna.
Figure 57 is the schematic diagram of the illustrative embodiment of flat double frequency band edge feeding dipole antenna.
Figure 58 shows the three-dimensional wave beam for illustrative flat double frequency band edge feeding dipole antenna shown in Figure 57 (beam) pattern.
Figure 59 is the return loss (db) for illustrative flat double frequency band edge feeding dipole antenna 760 shown in Figure 57 Chart, in the form of frequency (GHz) function present.
Figure 60 is Smith's chart for illustrative flat double frequency band edge feeding dipole antenna 760 shown in Figure 57.
Figure 61 is that have to be limited at the illustrative low of the feeding gap (feedgap) being formed by metal antenna structure The schematic diagram of profile (low profile) 915MHz antenna system.
Figure 62 is with the illustrative low profile for being limited at the feeding gap being formed by metal antenna structure The side view of 915MHz antenna system.
Figure 63 is the detailed partial view of illustrative feeding gap low profile 915MHz antenna system, is configured for same Axis feed point and matched capacitor.
Figure 64 is the schematic diagram with coaxial matched illustrative low profile 915MHz antenna system.
Figure 65 is showing in detail for coaxial mating structure relevant to the feeding gap for low profile 915MHz antenna system It is intended to comprising series capacitor and shunt capacitor.
Figure 66 is the matched Smith's chart of antenna system shown for low profile 915MHz antenna system.
Figure 67 is the chart for showing the matching return loss for low profile 915MHz antenna system.
Figure 68 is the schematic diagram with the illustrative low profile 915MHz antenna system of simple coaxially connected structure.
Figure 69 is the detailed of simplified coaxially connected structure relevant to the feeding gap for low profile 915MHz antenna system Thin schematic diagram.
Figure 70 be include ganged condenser illustrative flat dipole MHz antenna structure schematic diagram.
Figure 71 is the chart for the return loss of illustrative flat dipole MHz antenna structure shown in Figure 70, with frequency The form of rate function is presented.
Figure 72 be include low profile gap (slot) antenna combined with flat dipole antenna antenna structure signal Figure.
Figure 73 is the song of the ground connection loss of the illustrative return loss for showing gap dipole antenna and flat dipole antenna Line chart.
Figure 74 is show the antenna structure including the low profile slot antenna combined with flat dipole antenna illustrative The curve graph of the isolation of embodiment.
Figure 75 is that there are four the broken sections of the taper 2G/5G antenna system of the illustrative vertical stacking of radial quadrant for tool Figure.
Figure 76 is that there are four the perspective views of the taper 2G/5G antenna system of the illustrative vertical stacking of radial quadrant for tool.
Figure 77 be show tool there are four the taper 2G/5G antenna system of the illustrative vertical stacking of radial quadrant it is single as The 3-D view of the stacking (stackup) of limit.
Figure 78 be show tool there are four the taper 2G/5G antenna system of the illustrative vertical stacking of radial quadrant it is single as The side view of the stacking of limit.
Figure 79 be show tool there are four the taper 2G/5G antenna system of the illustrative vertical stacking of radial quadrant it is single as The front view of the stacking of limit.
Figure 80 is that there are four three frequency bands of four-quadrant of radial quadrant and the illustrative vertical stacking of the PCB of internal installation for tool The diameter view of (quad tri band) antenna system.
Figure 81 is that there are four three frequency bands of four-quadrant of radial quadrant and the illustrative vertical stacking of the PCB of internal installation for tool The diameter view of (quad tri band) antenna system.
Specific embodiment
To " embodiment " in this specification, the reference of " embodiment " etc. means described special characteristic, Function, structure or characteristic are included at least one embodiment of the invention.These phrases occurred in the present specification It is not necessarily all referring to identical embodiment.On the other hand, mentioned embodiment is also not necessarily mutually exclusive.
Described here is for improved antenna structure, the technology of system and method, including corresponding manufacturing method.
In one embodiment, 2G/5G antenna is disclosed, the low cost including constructing with flat metal dipole is internal Antenna may include the reinforcing member being used to support with tuned antenna structure.In some embodiments, external embodiment packet Include four dipole antenna configurations with broadside or angle array.
In another embodiment, disclose isolation multi-band center with unilateral side PCB or only metal structure or Feeding dipole antenna in end for being operated at least two different frequencies, and can provide RF isolation, such as coaxial electrical RF trapper (trap) or balanced-unbalanced transformer (Balun) system on cable.
In another embodiment, the non-channel DC or straight-through 2G/5G antenna are also disclosed, with 5G trapper and 2G or double 2G/5G trapper and discrete matching or distribution matching are characteristic, and can be provided for being placed in antenna end The DC feed throughs of LED.
Disclose low profile, flat and combined dipole and Flat aerial vertical depolarized omnidirectional antenna, for example, for It is operated under 915MHz comprising fluting driving chamber (open slot driven cavity).Improved construction method and day Cable architecture includes the thin metal parts and low cost, the construction method that only crimps of enhancing.
In other embodiments, it also discloses and stacks double frequency-band and three frequency-band antennas, being included between quadrant has axis The stacking 2G/5G antenna of symmetry,
Fig. 1 is the schematic diagram 10 of illustrative internal antenna structure 12, such as about quadrature axis, for example, X-axis 32x, Y-axis 32y With Z axis 32z.Illustrative antenna structure 12 shown in Fig. 1 includes two shape and size similar dipole element 14a, 14b, Such as with corresponding depth 28 and width 30, they are separated by distance or height 26.Illustrative antenna shown in Fig. 1 Structure 12 can be made of the single metal piece 15 for example including copper, and wherein dipole element 14a and 14b is by central connecting zone 16 It separates.Illustrative antenna structure 12 shown in Fig. 1 further includes the integrated feed throughs 18 extended from the first dipole element 14a, Wherein feed throughs 18 may include bending 25, to form pad, is precisely located using pad and welds 48 coaxial cables 36 (such as the mini coaxial cables of 1.37mm), can pass through razor-edge antenna solutions (Taoglas Antenna Solutions it) obtains.
When manufacture is to form antenna structure 12, piece 15 is formed between the second dipole element 14b and central area 16 Limit bending 22, bending 24 limited between the first dipole element 14a and central area 16, and in the first dipole element 14a and Bending 25 is limited between feed throughs 18.Illustrative bending 24 and 25 shown in Fig. 1 is usually in alignment with each other, and therefore may be used It is formed in single manufacturing step simultaneously.As further shown in Figure 1, gap 34 is limited at central area 16 and feed throughs Between 18.
The illustrative embodiment of antenna structure 12 includes being extended vertically from first end to second end (for example, along Z axis 32z) Planar central region 16, first end from central area 16 is orthogonal to be extended (for example, along the first planar dipole member of X-axis 32x) Part 14b, and the second planar dipole element 14a of the orthogonal extension of second end from central area 16, wherein the first dipole plane Element 14b and the second planar dipole element 14b are coplanar with each other, and are separated by separation distance 26, from the first planar dipole member The feeding of any of part 14b or the first planar dipole element 14a to the orthogonal extension of another planar dipole element (14a, 14b) Pass element 18, wherein feeding gap 34 is limited between feed throughs element 18 and central area 16, and wherein antenna Structure 12 is made of single conductive metal sheet.
Illustrative antenna structure 12 shown in Fig. 1 be configured as solderably being connected to shown in coaxial cable 36, Including exterior insulation 38, external conductive shielding 40, built-in electrical insulation 42 and internal (i.e. center) conductor 44.For example, illustrative coaxial Cable 36 is longitudinal along Y-axis 32y to be extended, wherein when coaxial cable 36 is appropriately prepared to be attached to antenna structure 12 When, conductor 40 and 44 can be configured to contact respectively with central area 16 and with feed throughs 18 simultaneously, then weld respectively It is welded at contact 46 and 48.
In some embodiments, illustrative antenna structure 12 can provide the dipole or slot of low profile top-loaded.One In a little embodiments, antenna structure 12 can be configured to provide 2.40GHz to 2.49GHz, 4.9GHz to 5.3GHz or 5.7GHz Frequency band to 5.9GHz covers.
In some embodiments, the totle drilling cost of manufacturing instructions antenna structure 12 can be very low.For example, antenna structure 12 can be made of single preformed sheets 15, then can be formed the piece with and meanwhile limit needed for geometry, for example including phase Pair plane dipole element 14a, 14b, feed throughs 18, gap 34 and disk 70 (Fig. 3) are to be used for centre of location conductor 44.
In some embodiments, the sheet metal that illustrative antenna structure 12 shown in Fig. 1 is 0.40mm by thickness 20 15 are made, to form opposite rectangle dipole element 14a, 14b, the width of each depth 28 and 20.20mm with 19.00mm 30, wherein forming central area 16 to limit the height 26 of 10.80mm between rectangle dipole element 14a and 14b.Match such In setting, illustrative internal antenna structure 12 can provide the frequency band covering of 2.40GHz to 2.49GHz, such as rated frequency is 2.45GHz, and can satisfy required frequency coverage, wherein voltage standing wave ratio (VSWR) is less than 2:1, with improve antenna 12 with The matching of transmission line, and maximize the power transmission to antenna, i.e. reflection of the minimum from antenna 12.
Fig. 2 is the schematic diagram 60 of another illustrative internal antenna structure 12b, is formed during being additionally provided in manufacture 62 structure of shunt capacitor and corresponding inductor 64, to increase the bandwidth of operation of internal antenna structure 12b.
In some embodiments, the sheet metal that illustrative antenna structure 12b shown in Fig. 2 is 0.40mm by thickness 20 15 are made, to form opposite rectangle dipole element 14a, 14b, the width of each depth 28 and 11.00mm with 6.60mm 30, wherein forming central area 16 to limit the height 26 of 10.80mm between rectangle dipole element 14a and 14b.In this configuration In, illustrative internal antenna structure 12b can provide the frequency band covering of 4.9GHz to 5.3GHz or nominal rating frequency is 5.1GHz.The illustrative internal antenna structure 12b of 62 structure of shunt capacitor and corresponding inductor shown in including In this embodiment, the bandwidth of internal antenna structure 12b can increase about 500MHz, in order to provide 4.9GHz to 5.9GHz Frequency band covering or nominal rating frequency be 5.4GHz.
Fig. 3 is the schematic diagram 70 of another illustrative internal antenna structure 12c, and offer can increase internal antenna structure 12c Bandwidth of operation 62 structure of shunt capacitor and corresponding inductor 64.
In some embodiments, the sheet metal that illustrative antenna structure 12c shown in Fig. 3 is 0.80mm by thickness 20 15 are made, to form opposite rectangle dipole element 14a, 14b, the width of each depth 28 and 11.00mm with 7.60mm 30, wherein forming central area 16 to limit the height 26 of 10.80mm between rectangle dipole element 14a and 14b.In this implementation In scheme 12c, further include shown in 62 structure of shunt capacitor and corresponding inductor 64, the bandwidth of antenna structure 12b Nominal rating frequency be 5.4GHz.
For the embodiment of internal antenna structure 12b and 12c as shown in Figures 2 and 3, nominal rating frequency is 5.4GHz, antenna 12b and 12c may include two frequency bands with the frequency coverage of voltage standing wave ratio (VSWR) less than 2: 1.
As shown in Figures 2 and 3, the thickness 20 for increasing 5G antenna 12, from the thickness of the 0.40mm for internal antenna 12b 20, to the thickness 20 of the 0.80mm for internal antenna 12c, only depth 28 need to be increased to 7.60mm from 6.60mm, and VSWR 2: 1 can then be remained less than.
Such as by stamped and shaped, can be easy accurately to produce internal day shown in Fig. 1-3 as unitary piece of metal 15 Cable architecture 12,12b and 12c, thus antenna can easily meet inexpensive target and manufacturability requirement.Equally, day knot The overall dimensions of structure 12 allow them to meet the limitation of the size of a variety of wireless devices.
Four-element array design and performance.
Fig. 4 shows the illustrative embodiment of four dipole broadside 2G/5G aerial arrays 80, in some embodiments In can be configured for 2G/5G antenna system, while providing signal isolation between each antenna element 84a-84d.Institute in Fig. 4 The illustrative four dipoles broadside 2G/5G aerial array 80 shown includes rectangular printed circuit board (PCB) 82, such as relative to by X Plane defined by axis 32x and Y-axis 32y it is coplanar.
Four illustrative embodiments of the dipole broadband dual-frequency with antenna structure 80 include with longitudinal direction corresponding thereto The substantially rectangular printed circuit board (PCB) 82 and aerial array 83 of side 90, the aerial array 83 include being respectively connected to PCB 82 longitudinal direction side and four antennas 84 that height 96 is for example extended vertically along Z axis 32z, wherein four antennas 84 include the One antenna 84a, the second antenna 84b, third antenna 84c and the 4th antenna 84d, wherein antenna is arranged with linear broadside sequence Column, wherein each antenna 84 is separated by spacing distance 98 and adjacent antenna 84, and wherein double frequency-band includes 2GHz frequency Frequency band and 5GHz frequency band.
In illustrative four dipoles broadside 2G/5G aerial array 80 shown in Fig. 4, PCB 82 has such as 271mm Width 90, and the depth 92 of such as 170mm.Illustrative antenna element 84a-84d shown in Fig. 4 is extended perpendicularly to for example The height 96 of 170mm, and PCB 82 is connected to by respective conductor 86a-86d, conductor 86a-86d for example prolongs along axis 32a Stretch the distance 94 of such as 30mm.In illustrative embodiment, antenna element 84 and adjacent element separate such as 85mm away from From 98.
Fig. 5 and Fig. 6 shows the illustrative of four dipole broadside 2G/5G aerial arrays 80 (such as Fig. 4 shown in) The illustrative analysis and test of embodiment to consider the isolation performance of four dipole broadside 2G/5G aerial arrays 80, and determine With the presence or absence of the useful configuration that can provide at least 30dB isolation.
For example, Fig. 5 is the chart 100 for the reflection coefficient (Y1) 102 of each of four configuration 106a-106d, It is presented in the form of the function of frequency 104, such as related with 30dB shielding wire 110.In the region 2G 112, the ground PCB is indicated The influence 112 of reflection, and can also be seen that and need additional tuning to provide at least isolation of 30dB.Also directed to the region 5G 114 indicate the influence to reflection coefficient.
Fig. 6 is the four dipole broadside 2G/5G antenna arrays shown for operating (wherein Phi=90 degree) at 5.4GHz The chart 120 of the 2D beam radiation pattern 122 of the illustrative embodiment of column 80 (such as Fig. 4 shown in).Such as Fig. 6 institute Show, the configuration tested provides the peak gain (μ eak gain) of 5.8dBi and the horizontal gain of 0.0dBi (horizontal gain)。
Four dipole broadside 2G/5G including the linear array 83 (such as shown in Fig. 4) containing antenna element 84a-84d The test result of antenna 80 shows vertical beam pattern on the horizontal plane of 5G at or approximately at maximum value.Although at 85mm 5G isolation it is too small, but 170mm and 255mm at, 5G isolation is then very close to required 30dB.It is also observed, at 5G Ground return slightly helps, and 2G is isolated at any spacing and lacks 30db isolation 110, and by PCB reflection 112.
Four dipole broadside 2G/5G aerial arrays 80 can be easily used for a variety of antenna systems.In some embodiments In, four dipole broadside 2G/5G aerial arrays 80 can be configured to provide at least isolation of 30dB.
Fig. 7 shows the illustrative embodiment of four angle dipole 2G/5G aerial arrays 140, in some embodiments It can be configured for external 2G/5G antenna system, while providing signal isolation between each antenna element 84a-84d.In Fig. 7 Shown in the illustrative angle four dipoles 2G/5G aerial array 140 include central rectangular printed circuit board (PCB) 82, such as relative to The plane as defined by X-axis 32x and Y-axis 32y it is coplanar.In the illustrative angle four dipoles 2G/5G aerial array shown in fig. 7 In 140, PCB 82 has the width 90 of such as 271mm, and the depth 92 of such as 170mm.Illustrative antenna element shown in fig. 7 Part 84a-84d extends perpendicularly to the height 96 of such as 170mm, and is connected to PCB 82 by respective conductor 86a-86d, leads Body 86a-86d for example extends the distance 94 of such as 30mm along X-axis 32x.
The illustrative embodiment of four dipole dual band antenna arrangements include with corresponding thereto four angles substantially Rectangular printed circuit board (PCB) 82 and aerial array 140, the aerial array 140 include four for being respectively connected to PCB 82 Each of angle and four antenna 84a-84d for extending vertically height, wherein four antennas include first antenna 84a, the Two antenna 84b, third antenna 84c and the 4th antenna 84d, wherein the length 142 of aerial array 140 is limited at first antenna Between 84a and the 4th antenna 84d and between the second antenna 84b and third antenna 84c, the wherein width of aerial array 140 144 are limited between first antenna 84a and the second antenna 84b and between the 4th antenna 84d and third antenna 84c, and Wherein the diagonal distance 146 of aerial array 140 is limited between first antenna 84a and third antenna 84c and second day Between line 84b and the 4th antenna 84d.
Illustrative antenna element 84a-84d shown in fig. 7 defines the length 142 with 255mm, the width of 224.34mm Spend the rectangle of the diagonal line 146 of 144 and 339.64mm.
Fig. 8 and Fig. 9 shows the illustrative embodiment of the angle four dipoles 2G/5G as shown in Figure 7 aerial array 140 Test and analysis, to consider the isolation performance of four angle dipole 2G/5G aerial arrays 140, and determine whether there is can provide to The useful configuration of few 30dB isolation.
For example, Fig. 8 is between the different antennae pair shown as four dipole broadside 2G/5G aerial arrays 140 (Fig. 4) Reflection coefficient 102 curve graph 150, in the form of the function of frequency 104 present, as shown in 152a-152d, for example, with 30dB Shielding wire 110 is related.For example, line 152 is based on individual antenna element, such as 84a (S1,1), line 152b are based on having interval 144 Antenna 84a and 84b (or 84c and 84d), line 152c based on have interval 142 antenna 84a and 84d (or 84b and 84c), and And line 152d is based on the antenna 84a and 84c (or 84b and 84d) with interval 146.Figure 15, which is to provide to be directed to, is configured with 0 Spend the table 220 of the test result matrix of the illustrative angle the 2G/5G array 84a-84d of PCB ground line gradient.
In the region 2G, the zero point due to caused by PCB ground return (null) 154 is indicated as 152d, and can be with Find out, additional tuning will be needed to provide at least isolation of 30dB some configurations 152.It is indicated also directed to the region 5G 114 Influence to reflection coefficient.As shown in figure 8, line 152d is in diagonal wire antenna between 84a and 84c and diagonal wire antenna pair Best reflection coefficient performance is provided between 84b and 84d.
Fig. 9 is the 2D wave for showing the illustrative embodiment of the angle four dipoles 2G/5G as shown in Figure 7 aerial array 140 The chart 160 of beam radiation pattern 162, the angle the four dipoles 2G/5G aerial array 140 are used to operate at 5.4GHz, wherein Phi= 90 degree, peak gain 5.8dBi, horizontal gain 0.0dBi.
Figure 10 is the 2G rectangular reflection system being shown as between the different antennae element 84 of four dipole broadside arrays column The chart 170 of number 102 is presented in the form of the function of frequency 104, as shown in 174a-174d, for example, with 30dB shielding wire 110 System that is related, being 2.45GHz for rated frequency.For example, line 174b shows the simulated performance of the antenna spacing of 255mm, Line 174c shows the simulated performance of the antenna spacing of 340mm, and line 174d shows the simulated performance of the antenna spacing of 224mm.
Figure 11 shows illustrative three-dimensional (3D) the 2.45GHz beam pattern 180 for squaerial array 140 (Fig. 7), Such as observation ground level as defined by X-axis 32x and Y-axis 32y, θ are 90 degree, i.e., perpendicular to ground level, and are aligned with Z axis 32z.
Figure 12 is the illustrative vertical radiation pattern 192 shown for squaerial array 140 (such as shown in fig. 7) Curve graph 190, display from the center of PCB 82 looks out 194, and inwardly sees 196 towards the center of PCB 82.
As four dipole broadside 2G/5G aerial arrays 80 and four angle dipole 2G/5G aerial arrays with linear configurations Performance between 140 (such as referred to herein as rectangular arrangements) compares, it can be seen that the 5G between configuration 80 and 140 It can be same or similar.It can also be seen that being formed by 5G vertical beam pattern in linear formation (line due to PCB ground return It formation is) the same or similar between 80 and rectangle formation (rectangular formation) 140.
However, increased distance 142 (Fig. 7) in the long side based on rectangular arrangement 140, for example, with adjacent antenna element 84 Between interval 98 compare, for example, shown in Fig. 4 between 84a and 84b, it can be seen that linear configurations 80 and rectangular arrangement 2G performance between 140 is substantially different.Therefore, the antenna combination of 84a and 84d and the antenna combination of 84b and 84c are such as schemed Shown in 7, best solution is provided for antenna 2G performance and combined 2G/5G performance.
About the specific configuration of squaerial configuration 140, length can be used some fine-tuning to improve 2G performance.For 2G operation, PCB ground plane will affect the beam pattern 196 inwardly seen, as shown in Figure 12, the isolation needed for providing.Also As shown in Figure 12, the beam pattern 194 that 2G is looked out is not influenced then by PCB reflection.In the case that, antenna 84 should be vertical Straight, i.e., it is aligned with Z axis 32z.
Figure 13 shows the radiation pattern 200 of four angle the dipole 2G/5G arrays 140 with 0 degree of PCB ground line gradient, including For azimuth (azimuth) radiation pattern of 2.4GHz and 5.3GHz frequency, wherein Theta=90 degree, for 2.4GHz and The elevation angle diagonal line radiation pattern of 5.3GHz frequency, wherein Phi=60 degree, and the elevation angle for 2.4GHz and 5.3GHz frequency Remaining diagonal line (elevation co-diagonal) radiation pattern, wherein Phi=330 degree.
As a result be based on the illustrative angle four dipoles 2G/5G array 140 (such as shown in Fig. 7), wherein antenna element 84a and Center to center (c/c) distance 144 between 84b is 224mm c/c, and the distance between antenna element 84a and 84c 146 is 340mm c/c, the distance between antenna element 84a and 84d 142 are 255mm c/c.
Figure 14 be show as the illustrative angle 2G/5G array 84a-84d shown in fig. 7 different antennae element 84 it Between return loss/isolation curve graph (in the form of the function of frequency 104 present) and corresponding chart 210 comprising It is used for for the line 214a of antenna element 84a, the line 214b of antenna 84a and 84b for the spacing 144 with 224mmc/c The line 214d of the antenna 84a and 84d of spacing 142 with 255mm c/c, and the day for the spacing with 340mm c/c The line 214c of line 84a and 84c.Figure 15 is table 220, provides the square of the test result of the exemplary angle 2G/5G array 84a-84d Battle array is configured with 0 degree of PCB ground line gradient.
Figure 16 shows the illustrative implementation of four angle the dipole 2G/5G aerial array 140b with antenna element 84a-84d Scheme 230, wherein array has 10 degree of PCB ground line gradients 232.Illustrative antenna element 84a-84d shown in Figure 16 passes through Respective conductor 86a-86d extends from center PCB 82.The illustrative angle four dipoles 2G/5G aerial array 140b shown in Figure 16 Center to center (c/c) distance 144 between antenna element 84a and 84b with 221mm c/c, antenna element 84a and 84c The distance between 146 be 337mm c/c, the distance between antenna element 84a and 84d 142 be 255mm c/c.
Figure 17 shows the radiation pattern 240 of four angle the dipole 2G/5G array 140b with 10 degree of PCB ground line gradients, packets The azimuth radiation pattern case for 2.4GHz and 5.3GHz frequency is included, wherein Theta=90 degree, is used for 2.4GHz and 5.3GHz frequency Elevation angle diagonal line radiation pattern, wherein Phi=60 degree, for 2.4GHz and 5.3GHz frequency the elevation angle more than diagonal line radiation diagram Case, wherein Phi=330 degree.As a result it is based on the illustrative angle four dipoles 2G/5G array 140b, such as shown in Figure 16.
Figure 18 is shown as between the different antennae element 84 of the illustrative angle 2G/5G array 140b shown in Figure 16 Return loss/isolation chart 250 is presented in the form of the function of frequency 104, including the line 252a for antenna element 84a, The line 252b of antenna 84a and 84b for the spacing 144 with 221mm c/c, for the spacing 142 with 255mm c/c The line 252d of antenna 84a and 84d, and the line 252c of antenna 84a and 84c for the spacing 146 with 337mm c/c.Figure 19 there is provided configured with 10 degree of PCB ground line gradients the illustrative angle 2G/5G array 140b test result matrix table 260.
Figure 20 shows the illustrative implementation of four angle the dipole 2G/5G aerial array 140c with antenna element 84a-84d Scheme 270, wherein array has 15 degree of PCB ground line gradients 272.Illustrative antenna element 84a-84d shown in Figure 20 passes through Respective conductor 86a-86d extends from center PCB 82.The illustrative angle four dipoles 2G/5G aerial array 140c shown in Figure 20 Center to center (c/c) distance 144 between antenna element 84a and 84b with 216mm c/c, antenna element 84a and 84c The distance between 146 be 334mm c/c, and the distance between antenna element 84a and 84d 142 be 255mm c/c.
Figure 21 shows the radiation pattern 280 of four angle the dipole 2G/5G array 140c with 15 degree of PCB ground line gradients, packet The azimuth radiation pattern case for 2.4GHz and 5.3GHz frequency is included, wherein Theta=90 degree, is used for 2.4GHz and 5.3GHz frequency Elevation angle diagonal line radiation pattern, wherein Phi=60 degree, for 2.4GHz and 5.3GHz frequency the elevation angle more than diagonal line radiation diagram Case, wherein Phi=330 degree.As a result it is based on the illustrative angle four dipoles 2G/5G array 140c, such as shown in Figure 20.
Figure 22 is shown as between the different antennae element 84 of the illustrative angle 2G/5G array 140c shown in Figure 20 The chart 290 of return loss/isolation 212 is presented in the form of the function of frequency 104, including the line for antenna element 84a 292a, the line 292b of antenna 84a and 84b for the spacing 144 with 216mm c/c, for the spacing with 255mmc/c The line 292d of 142 antenna 84a and 84d, and the line of antenna 84a and 84c for the spacing 146 with 334mmc/c 292c.There is provided the test result matrixes of the illustrative angle the 2G/5G array 140c configured with 15 degree of PCB ground line gradients by Figure 23 Table 294.
To the illustrative angle 2G/5G array 140, in the comparison of the results of property of 140b and 140c, it can be seen that matching is protected Hold it is essentially identical, it is unrelated with ground line gradient (ground slope).Equally, be used for the illustrative angle 2G/5G array 140,140b and Each antenna beam pattern of 140c is also essentially identical.
It will be appreciated, however, that isolation performance is conducive to increase PCB ground line gradient 232,272.For the illustrative of test For the angle 2G/5G array 140,140b and 140c, the angle the 2G/5G array 140c with 15 degree of PCB ground line gradients 272 is provided most Good isolation performance, and the angle the 2G/5G array 140b with 10 degree of PCB ground line gradients 232 also provides satisfactory isolation Performance.As further shown, 2G is operated, increasing isolation and ground level reflection has dependence.In flat (0 degree of gradient) In the angle 2G/5G array 140, such as shown in Fig. 7, when adjusting the antenna spacing on side to 215mm c/c, reflection is most Good.It can also be seen that may insure good isolation and masking to PCB noise using the separated plane of reflection.
The multiband dipole antenna of isolation.
There is disclosed herein the isolation multi-band center with single side PCB or only metal structure or hold feeding (end- Fed) the embodiment of dipole antenna, for being operated at least two different frequencies.Disclosed antenna can be RF Isolation provides RF trapper or Balun system for example on coax.
As the introduction to different antennae structure, Figure 24 shows illustrative dual-band dipole antenna 300 comprising first Channel design 301a and second channel structure 301b, wherein channel design 301a can be located at, the central area 308 between 301b Inside establish dipole feed point 310.As further shown in Figure 24, dual-band dipole antenna 300 be included in channel design 301a and The low band dipole 304 established between 301b, including pass element 302a and 302b, such as operated for 2G, and establish High frequency band dipole 306 between the central area of channel design 321a and 321b, such as operated for 5G, including respective top Pass element 312a and 312b and respective lower passage element 314a and 314b.
Figure 25 is the schematic diagram of illustrative dual-band dipole antenna component 320, wherein having center conductor 324 and outside to lead The coaxial cable feeding 322 of electrical shielding 326 is connected to first passage structure 321a and second channel structure 321b.Such as institute in Figure 25 Show, center conductor 324 is connected to second channel structure 321b by center conductor connector 328, and coaxial shielding 326 passes through screen It covers connector 330 and is connected to first passage structure 321a.Illustrative dual-band dipole antenna 320 as shown in Figure 25 further includes Dipole feed point 333 associated with first passage structure 321a.
As further shown in Figure 25, dual-band dipole antenna 320 includes low band dipole 304b and high frequency band dipole 306b, low band dipole 304b include pass element 302a and 302b, such as are operated for 2G, and high frequency band dipole 306b is then built It stands between the central area of channel design 321a and 321b, such as is operated for 5G, including respective upper channel element 332a and 332b and respective lower passage element 334a and 334b.
Figure 26 is the schematic diagram of illustrative center-fed dual-band dipole antenna 340, wherein with center conductor 324 and outside The coaxial cable feeding 322 of portion's conductive shield 326 is connected to first passage structure 341a and second channel structure 341b.Such as Figure 26 Shown in, center conductor 324 is connected to second channel structure 341b by center conductor connector 328, and coaxial shielding 326 is logical It crosses shielding connector 330 and is connected to first passage structure 341a.Illustrative dual-band dipole antenna 340 as shown in Figure 26 is also Including the associated dipole feed point 332 of dipole channel 342a low with first passage structure 341a's.
As further shown in Figure 26, center-fed dual-band dipole antenna 340 includes low band dipole 304c and height Multiband dipole 306c, low band dipole 304c include pass element 342a and 342b, such as are operated for 2G, high frequency band dipole 306c includes lower passage element 343a and 343b, such as is operated for 5G.
Figure 27 is the schematic diagram of illustrative center-fed dual-band dipole antenna 360, and wherein balanced-unbalanced transformer is set Standby 364 for by coaxial cable feeding 322 by respective connector 366a and 366b be connected to first passage structure 361a with Second channel structure 361b.Balanced-unbalanced transformer equipment 364 is used for unbalanced signal and coaxial cable side in antenna side Balanced signal between converted.
Illustrative channel design 361a and 361b includes respective antenna lower passage 368a and 368b, but does not include corresponding Upper channel, such as channel 332a and 332b shown in Figure 25.Illustrative channel design 361a and 361b is as single day Line frequency band is operated, and wherein the structure is limited to dual-band operation, for the frequency of even-multiple, such as 2.45GHz and 4.9Ghz.
Although illustrative center-fed dipole 300,320 and 340 shown in Figure 24-26 is configurable to 2G and 5G behaviour respectively Make, but the sides of dipole structure are simply arrived in the connection of shielding 326 330 for feeding coaxial 322 by this antenna structure, and by center The other side of dipole structure is arrived in the connection of conductor 324 328.This way usually makes the common-mode signal from printing board PCB Antenna isolation is poor.
It similarly, can be with disclosed herein is isolation multi-band center or the multiple embodiments of end feeding dipole antenna Improve antenna RF isolation significantly, and single side PCB can be used or only use metal structure to realize.
Figure 28 is the schematic diagram for the illustrative center-fed dipole antenna configuration 380 of single band operation, wherein balance- Balun structure 386 and single-band antenna 388 including element 388a and 388b can be set up as in printed circuit Contain only metal structure or metal layer 384 (such as copper) on plate (PCB) 382, can with include for wireless signal processing having The PCB of source electronic device (active electronics) is carried out integrally or separately.Illustrative metal layer 384 shown in Figure 28 Photoetching can be easy to carry out to be formed in the profile of PCB substrate 382.Illustrative metal layer 384 shown in Figure 28 includes flat Weighing apparatus-balun channel 386, coaxially connected point 392 of the balanced-unbalanced transformer channel 386 from relative direction Extend, opposite antenna frequency band element 388a and 388b is then transitioned into, without being formed on identical metal layer 384.Feedback Gap 395 is sent to be limited between frequency band element 388a, 388b.
At the lead end 398 of coaxial feeding 322, such as close to balanced-unbalanced transformer channel 386 and antenna element The region of 388 transition together, pad 394 are used to for center conductor 324 being electrically connected to antenna element 388b, and pad 396 For coaxial shielding 326 to be electrically connected to opposite antenna element 388a.Illustrative feeding coaxial 322 shown in Figure 28 passes through Pad 392 between coaxial feeding 322 and balanced-unbalanced transformer 386 is fixed to PCB 382, and can implement simultaneously And use and identical welding procedure used in pad 394 and 396.
The illustrative embodiment of antenna structure 380 includes the conductive gold for being operated in corresponding frequency band Belong to dipole antenna 388, which includes the first dipole half portion, such as 388a, from the first half portion of feed point with the One direction extends outwardly and the second dipole half portion, such as 388b, from the second half portion of feed point with opposite with first direction Second direction extend outwardly, wherein feeding gap 395 be limited between the first half portion of feed point and the second half portion, and Wherein the first dipole half portion 388a and the second dipole half portion 388b define center-fed dipole antenna 388, which further includes The first balanced-unbalanced transformer of conductive metal channel 386, from the first half portion dipole half of the first half portion close to feed point Portion 388a extends to coaxial welding point 392, the second balanced-unbalanced transformer of conductive metal channel 386, from close to feed point The second half portion dipole half portion 388b of the second half portion extend to coaxial welding point 392, coaxial shielding tie point 396 is located at Close to feed point the first half portion the first balanced-unbalanced transformer channel 396 on and coaxial conductor tie point 394, On the second balanced-unbalanced transformer channel 386 close to the second half portion of feed point.
Figure 29 is the schematic diagram of the illustrative center-fed dipole antenna configuration 400 for dual-band operation, wherein balance- Balun structure 386 and double frequency band aerial 406 can be set up as containing only metal on printing board PCB 382 Structure or metal layer 384.For example, illustrative metal layer 384 shown in Figure 29 can be easily by photoetching in PCB substrate 382 Profile in formed.
Illustrative metal layer 384 shown in Figure 29 includes balanced-unbalanced transformer channel 386, from relative direction On coaxially connected pad 392 extend, opposite antenna frequency band element 404a, 404b are then transitioned into, without being formed in On identical metal layer 384.The dual band antenna arrangement 406 shown in Figure 29 includes opposite low-frequency band crown member pair 402a and 402b and opposite high frequency band base member are to 404a, 404b.Gap 408 is limited at opposite antenna element Between.
At the lead end 398 of coaxial feeding 322, such as close to balanced-unbalanced transformer channel 386 and lower antenna Element 404a, the region that 404b is merged, pad 394 can be used for center conductor 324 being electrically connected to antenna element 404b, while pad 396 can be used, coaxial shielding 326 is electrically connected to opposite antenna element 404a.Although feeding is coaxial 322 can be fixed to PCB 392, but the weldering between coaxial feeding 322 and balanced-unbalanced transformer 382 by various mechanism The use of contact 392 can be implemented simultaneously, and use and identical welding procedure used in pad 394 and 396.
In operation, center-fed dipole antenna configuration 400 is operationally limited to the frequency of even-multiple, such as 2.45GHz and 4.9Ghz.In typical embodiments, low-frequency band crown member 402a and 402b are top-loaded structure, wherein It can be easily performed the removal of low-frequency band crown member 402a and 402b, antenna 400 is converted into single band operation.
Figure 30 is the schematic diagram of the illustrative center-fed dipole antenna configuration 420 for dual-band operation, wherein balance- Balun structure 386 and double frequency band aerial 426 can be set up as containing only metal on printing board PCB 382 Structure or metal layer 384.Figure 31 is the extension installation diagram 430 of illustrative center-fed dipole antenna configuration 420.Figure 30 and figure Illustrative metal layer 384 shown in 31 can be easy to carry out photoetching to be formed in the profile of PCB substrate 382.
Illustrative metal layer 384 shown in Figure 30 and Figure 31 includes balanced-unbalanced transformer channel 386, from same Axis connection pad 392 extends to the coaxial center conductors tie point 394 at the high band antenna element 424a of bottom, and prolongs Reach top low band antenna element 422a.The illustrative metal layer 384 that can be easily formed simultaneously further includes bottom high frequency band Antenna element 424b and top low band antenna element 422b.One or more coaxial shielding jointing soldering points 396, which are located at, to be leaned on At nearly bottom high band antenna element 424b.With being combined, dual band antenna arrangement 426 shown in Figure 30 and Figure 31 includes phase Pair top low-frequency band crown member 422a and 422b and opposite bottom high frequency band base member 424a, 424b.Gap 428 are limited between opposite antenna element.
As further shown in Figure 30 and Figure 31, balanced-unbalanced transformer 386 extends around the side of antenna structure, And opposite side of coaxial 322 of the feeding with external shield 390 around antenna structure extends, so that working as the outer of feeding coaxial 322 When conductive shield 390 is connected between pad 392 and one or more pads 396, and when inner conductor 324 is in pad When being electrically connected at 394, feeding coaxial 322 is worked to complete to be used for the balanced-unbalanced transformer of antenna structure, i.e., coaxial screen Cover 390 completion balanced-unbalanced transformer, 384 structure.
The illustrative embodiment of center-fed dipole antenna configuration 420 includes conductive metal dipole antenna 426 comprising First dipole half portion, such as 422a and 424a, extend outwardly from the first half portion of feed point along first direction and second is even Pole half portion, such as 422b and 424b extend outwardly from the second half portion of feed point along the second direction opposite with first direction, Wherein feeding gap 428 be limited between the first half portion of feed point and the second half portion, and wherein the first dipole half portion and Second dipole half portion defines center-fed dipole antenna 426, which further includes that conductive metal balanced-unbalanced transformer is logical Road 386 extends to coaxial welding point 392, coaxial shielding from the first half portion dipole half portion of the first half portion close to feed point Tie point 396 is located on the second balanced-unbalanced transformer channel of the second half portion of feed point, and coaxial conductor connects Contact 394, be located at close to feed point the first half portion the first balanced-unbalanced transformer channel on and coaxial cable 390 comprising center conductor 44, around the coaxial shielding 40 of center conductor 44, and center conductor 44 and coaxial shielding 40 it Between coaxial insulator 42, standard coaxial cable 390 extends to the distal end opposite with lead end from lead end, wherein in lead End, center conductor 44 is connected to coaxial conductor tie point 394, and coaxial shielding 40 is connected to coaxial shielding tie point 396, Middle coaxial shielding 40 is also connected to coaxial welding point 392, and the distal end of standard coaxial cable extends beyond coaxial welding point 392 with even It is connected to antenna electronics device, and wherein coaxial shielding 40 and balanced-unbalanced transformer channel 386 are formed for antenna structure 420 balanced-unbalanced transformer structure.
In operation, center-fed dipole antenna configuration 420 is operationally limited to the frequency of even-multiple, such as 2.45GHz and 4.9Ghz.In a typical implementation, low-frequency band crown member 422a and 422b are top-loaded structure, In can be easily performed the removal of low-frequency band crown member 422a and 422b, antenna 420 is converted into single band operation.It is making During making, the length for the feeding coaxial 322 being welded between pad 392 and 396 can choose, to accurately match by putting down Conductive channel provided by weighing apparatus-balun 386.
Figure 32 is the schematic diagram of illustrative end feeding dipole antenna configuration 440 comprising first antenna structure 442 and second Antenna structure 444, wherein gap 446 is limited between structure 442 and 444.The packet of first antenna structure 442 shown in Figure 32 Internal low-frequency band trapper 448 and external high frequency band trapper 450 are included, and the second antenna structure 444 is fallen into including internal low-frequency band Wave device 456 and external high frequency band trapper 458, so that first antenna structure 442 and the second antenna structure 444 define high frequency band Antenna structure 441 and low-band antenna structure 443.
Illustrative end feeding dipole antenna configuration 440 includes end feeding coaxial 452 shown in Figure 32, is led with inside Body 324 and the external conductive being electrically insulated with inner conductor 324 shielding 325.As shown in figure 32, coaxial 452 lead end is (such as logical Cross and opposite be distally connected to active antenna electronic equipment) enter and extend through the internal low-frequency band of first antenna structure 442 Trapper region 448.Inner conductor 324 extends beyond first antenna structure 442, crosses gap 446, and between feeding The second antenna structure 444 is electrically connected at the coaxial center conductors contact point 454 of gap 446, and external conductive shielding 325 is then electrically connected It is connected to the first antenna structure 442 close to feeding gap 446.In operation, in the open end of trapper 448, effective impedance is non- Chang Gao is disconnected so that dipole structure 440 seems to disconnect with feeding coaxial cable 452 with left end as shown in the figure.
Figure 33 shows the detailed assembled view 460 of crimp assemblies 462, so as in conductive antenna lead 470 and this paper institute Steady and inexpensive connection, such as distal side connection 468 are provided between disclosed one or more antenna embodiment.
Illustrative crimp assemblies 462 shown in Figure 33 include crimp assemblies main body 464, and connector part 466 is from crimping Module body 464 extends, wherein crimp assemblies main body 464 and connector part 466 can by sheet metal (for example, the copper of punching press or Brass, or plating layer of sheet material) it is made.Crimp assemblies further include crimping 472 and lock 476, are configured as conductive lead wire 470 is fixed At conductor crimping position 474.As shown in details 480, conductive lead wire 470 can be accurately positioned relative to conductor crimping position 474, And crimping 472 and locking 476 can be positioned to fix conductive lead wire 470.As shown in details 482, then crimping 472 is folded On conductive lead wire 470.As shown in details 484, then lock 476 is folded in crimping 472, conductive lead wire 470 is fixed To crimp assemblies 462.
The electric connector that the illustrative embodiment of crimp assemblies 462 can be realized to feed for coaxial antenna, including by Conductive crimp module body 464 made of sheet metal, wherein crimp assemblies main body 464 extends to opposite with first end from first end Second end, and wherein crimping position 474 is limited at first end, and metal crimp element 472 is configured as being placed on At crimping position 474, and when metal crimp element 472 to be folded on center conductor 470, to what coaxial antenna was fed Center conductor 470 is fixed at crimping position 474, and lock element 476, is used to lead press-fit component 472 fixed to center On any of body 470 and crimp assemblies main body 464.
In some embodiments, conductive lead wire 470 includes the center conductor 40 of coaxial cable as disclosed herein, 314 can be used for for center conductor being connected to the crimp assemblies 462 of the base portion of antenna.In some embodiments, crimp assemblies 462 Spring effect is provided, also to ensure the controlled pressure on center conductor 40,314.In some embodiments, lock 476 is crimping When being closed on 472, prevent with aging and creep.In some embodiments, it is cut by the bottom of surrounding metal sheath It cuts, molding or otherwise limits access aperture (access hole), in order to provide high frequency band dipole, such as 404 (figures Or 424 (Figure 30-31) 29).
The non-channel DC antenna.
Figure 34 is the schematic diagram 500 for example for the illustrative non-channel the DC antenna 502 (such as 502a) of 2G/5G operation. As shown in figure 34, antenna 502 extends 504 from active antenna part 506 and is aligned to limit longitudinal passage 508, such as along Y-axis 32y, To establish 2G antenna 524 and 5G antenna 526.
Illustrative 2G antenna 524 shown in Figure 34 includes double 2G and 5G trapper structures 510, from vertical passage 508 Such as 512 are extended outwardly along X-axis 32x, first couple of conductive channel 514a, 514b longitudinal extend from 512.Further out, Two couples of conductive channels 516a, 516b longitudinally extend.
Illustrative 2G and 5G trapper structure 510 shown in Figure 34 provides two 2G trapper 518a, 518b, wherein the One 2G trapper 518a is limited between vertical passage 508 and channel 514a, and wherein the 2nd 2G trapper 518b is limited It is scheduled between vertical passage 508 and channel 514b.Further shown in as in Fig. 31,2G trapper 518a, each of 518b Including corresponding capacitor 520.In addition as shown in Figure 34, illustrative 2G and 5G trapper structure 510 includes two 5G traps Device 522, wherein the first 5G trapper is limited between channel 514a and 516a, the 2nd 5G trapper 522 is limited at channel Between 514b and 516b.Including 5G trapper 522 to correct the beam pattern for 5G operation.
The illustrative non-channel DC antenna 502a shown in Figure 34 further includes the day for 2G antenna 524 and 5G antenna 526 Line feeding 530, wherein antenna feed 530 is limited between first longitudinal direction channel 508 and second longitudinal direction channel 528, is extended To external interconnection 532.
Illustrative 5G antenna 526 shown in Figure 34 includes the first 5G antenna being limited on first longitudinal direction channel 508 Structure 534, and the 2nd 5G antenna structure 536 being limited on second longitudinal direction channel 528.
First 5G antenna structure 534 includes interconnection 538, and a pair is led far from what antenna feed 530 longitudinally extended Electric channel 540a, 540b, wherein the first 5G trapper 542a is limited between vertical passage 508 and channel 540a, and the Two 5G trapper 542b are limited between vertical passage 508 and channel 540b.
2nd 5G antenna structure 536 includes interconnection 544, and a pair is led far from what antenna feed 530 longitudinally extended Electric channel 546a, 546b, wherein the first 5G trapper 548a is limited between second longitudinal direction channel 528 and channel 546a, and And the 2nd 5G trapper 548b be limited between second longitudinal direction channel 528 and channel 546b.
The illustrative embodiment of dual band antenna arrangement 500 can be configured in first frequency frequency band and second frequency It is operated in frequency band, wherein the frequency of second frequency frequency band is higher than first frequency frequency band, and dual band antenna arrangement is formed in print On printed circuit board (PCB) 554, which has first end and the second end opposite with first end, and The first surface 556a and second surface 556b opposite with first surface 556a, wherein dual band antenna arrangement includes first passage Structure 508 and second channel structure 528, wherein antenna feed region 530 is limited at first passage structure 508 and second channel Between structure 528, wherein first antenna channel design 508 is longitudinally prolonged from antenna feed region 508 towards the first end of PCB 554 It stretches, to be connected to active antenna part 506, wherein the second antenna channels structure 528 is from antenna feed region towards PCB's 554 Second end longitudinally extends, and wherein antenna structure 500 includes the first antenna 524 for operating in first frequency frequency band, and The second antenna 526 for operating in second frequency frequency band, wherein first antenna 524 and the second antenna 526 are by first passage Structure 508 and second channel structure 528 limit, and including the first high frequency band channel design 534, the first high frequency band channel knot Structure 534 includes outwardly extending first interconnection 538 in two sides from first longitudinal direction channel 508, and from the first interconnection A pair of channels 540a, the 540b that 538 first ends far from antenna feed 530 towards PCB 554 extend, wherein being used for second frequency A pair that a pair of of trapper 542a of frequency band, 542b are limited at first longitudinal direction channel 508 and extend from the first interconnection 508 Between channel 542a, 542b, the second high frequency band channel design 536 includes outwardly extending from the two sides in second longitudinal direction channel 528 Second interconnection 544, and extend from the second interconnection 544 far from the second end of antenna feed 530 towards PCB554 A pair of channels 548a, 548b, wherein being used for a pair of of trapper 548a of second frequency frequency band, it is logical that 548b is limited at second longitudinal direction Road 528 and between a pair of channels 546a, 546b that the second interconnection 528 extends, and positioned at the first end of PCB and first Third channel structure between high frequency band channel design, the third channel structure 510 include from the two sides in first longitudinal direction channel 508 Outwardly extending third interconnection 512, a pair of outer channel 516a, the 516b longitudinally extended from third interconnection 512, with And a pair of of inner passage 514a, the 514b longitudinally extended from third interconnection 512, wherein each inner passage 514a, 514b Between a corresponding external channel 516 and first longitudinal direction channel 508, wherein being used for a pair of of trap of second frequency frequency band Device 522 is defined between corresponding external channel 516 and inner passage 514, and is wherein used for the one of first frequency frequency band Trapper 518a, 518b are limited between corresponding inner passage 514 and first longitudinal direction channel 508.
Figure 35 show for 2G/5G operation (such as do not include connection LED 628 502 embodiment of antenna (Figure 45)) the illustrative non-channel DC 2G/5G antenna 502 (such as 502) detailed view 550.It is illustrative shown in Figure 35 The non-channel DC 2G/5G antenna 502b is formed as independent structure, or may be formed at one of printed circuit board (PCB) 554 Or on two surface 556a, 556b.
The illustrative non-channel DC 2G/5G antenna 502b shown in Figure 35 can provide 2G antenna structure 524 and 5G antenna Structure 526 is usually aligned with Z axis 32z.
Illustrative 2G antenna structure 524 shown in Figure 35 includes double 2G-5G trapper structures 510, such as with reference to Figure 34 It is described, wherein double 2G-5G trapper structures 510 extend from first longitudinal direction channel 508, it may be coupled to active antenna portion Divide 506 (Figure 34).Double 2G-5G trapper structures 510 shown in Figure 35 further include the capacitor for 2G trapper 518a, 518b Device 520.
Figure 36 is the distribution mating structure for the illustrative non-channel DC 2G/5G antenna 502b (such as shown in Figure 35) 562 close-up view 560.Illustrative distribution mating structure 562 shown in Figure 36 is crossed antenna feed channel 530 and is established in PCB base It on the surface 556a of plate 554, and can be for example attached by conductive through hole (via) 572, conductive through hole 572 extends through Cross PCB substrate 554.
In some embodiments, conductive through hole 572 is connected to other conductive channels (such as (figure of DC feed throughs 656 ) or structure (such as series reactor 664 (Figure 47) and/or series inductance on the apparent surface 556b of PCB 554 47) Device 668 (Figure 47)).
Illustrative distribution mating structure 562 shown in Figure 36 includes the center conductive region 564 in feed throughs 530. Illustrative distribution mating structure 562 shown in Figure 36 further includes the between first longitudinal direction channel 508 and central area 564 Series capacitor 566a, and the second series capacitor 566b between central area 614 and second longitudinal direction channel 528. Building-out condenser 568 can extend between first longitudinal direction channel 508 and central area 564.Further capacitor 570 can be direct Extend between first longitudinal direction channel 508 and second longitudinal direction channel 528.Be distributed mating structure 562 particular way by and capacitor It is configured to 2G/5G antenna 502b and desired matching properties is provided.Similarly, matching knot easily can be distributed in manufacture While structure 562, the Lithography Etching technique for being used to form other antenna structures is carried out.
Figure 37 is illustrative double 2G/5G trapper knots for the non-channel DC 2G/5G antenna 502 (such as 502,502b) The partial close-up view 576 of structure.As shown in figure 37, the first 2G trapper 518a be limited at vertical passage 508 and channel 514a it Between, the 2nd 2G trapper 518b is limited between vertical passage 508 and channel 514b.As further shown in Figure 37,2G is fallen into Wave device 518a, each of 518b are included in vertical passage 508 and corresponding channel 514a, the corresponding capacitor between 514b 520.Interconnection 578 can think 2G gap capacitance from vertical passage 508 and/or respective channel 514 (such as 514a) extension Device 520 provides required gap.
In addition as shown in Figure 37 is one in a pair of of 5G trapper 522, is limited at channel 514b and 516b Between.In some embodiments, including 5G trapper 522 to correct the beam pattern for 5G operation.
Figure 38 be show it is close for illustrative discrete inductance and capacitor (L&C) matched history of 2G/5G antenna structure 502 This chart 580.Figure 39 is the discrete inductance shown for for 2G/5G antenna structure 502 and the matched echo damage of capacitor (L&C) The chart 584 of consumption is presented comprising the base compared with the target return loss 588 of 10dB in the form of the function of frequency 104 In the curve 586 of surveyed performance.
Figure 40 is the discrete inductance and capacitor (L&C) matched spoke shown using 2G/5G antenna 502 disclosed herein The first exemplary graph 590 for penetrating the curve 592 of efficiency (as unit of dB) is presented in the form of the function of frequency 104.Figure 41 be the second exemplary graph 596 for including line 598, and it illustrates use the discrete of 2G/5G antenna 502 disclosed herein Inductance and capacitor (L&C) matched radiation efficiency (as unit of dB) are presented in the form of the function of frequency 104.
Figure 42 be show using 2G/5G antenna 502 as disclosed herein illustrative embodiment X-Y plane (that is, With the co-planar as defined by X-axis 32x and Y-axis 32y) in azimuthal radiation patterns 600 chart.
Figure 43 be show using 2G/5G antenna 502 as disclosed herein illustrative embodiment X-Z plane (that is, With the co-planar as defined by X-axis 32x and Z axis 32z) in elevation radiation pattern 604 chart.
Figure 44 be show using 2G/5G antenna 502 as disclosed herein illustrative embodiment Y-Z plane (that is, With the co-planar as defined by Y-axis 32y and Z axis 32z) in elevation radiation pattern 610 chart.
2G/5G direct current channel antenna.
Although some embodiments of 2G/5G antenna 502 (for example, 502a, 502b) as disclosed herein do not include DC- Channel, but other embodiments of 2G/5G antenna 502 can provide such function.
For example, Figure 45 is the schematic diagram 620 of the illustrative channel DC antenna 502c.Similar to shown in Figure 34, antenna 502c Extend 504 from active antenna part 506 to be aligned to limit first longitudinal direction channel 508, such as along Y-axis 32y, to establish 2G antenna 524 and 5G antenna 526, combines with second longitudinal direction channel 528 and relevant structure.
As shown in figure 45,2G/5G trapper structure 622 is provided in feed throughs 530, is configured to 2G antenna 524 and 5G antenna 526 provides trapper.For example, in one embodiment, 2G/5G trapper structure 622 is arranged to 3.5GHz for two antennas 524,526 to provide.
Illustrative 2G antenna 524 shown in Figure 45 further includes the first 2G trapper structure 624, from vertical passage 508 (such as extend outwardly along X-axis 32x), a pair of conductive channel 630a, 630b extend from the vertical passage 508 is longitudinal.
First 2G trapper structure 624 shown in Figure 45 provides two 2G trapper 632a and 632b, wherein first 2G trapper 632a is limited between vertical passage 508 and channel 630a, and wherein the 2nd 2G trapper 632b is defined Between vertical passage 508 and channel 630b.Illustrative 2G trapper 632a, each of 632b shown in Figure 45 include Corresponding capacitor 634.
Illustrative 2G antenna 524 shown in Figure 45 further includes the 2nd 2G trapper structure 626, from second longitudinal direction channel 528 (such as extend outwardly along X-axis 32x), a pair of conductive channel 640a, 640b extend from the second longitudinal direction channel 528 is longitudinal.
2nd 2G trapper structure 626 shown in Figure 45 provides two 2G trapper 642a and 642b, wherein first 2G trapper 642a is limited between second longitudinal direction channel 528 and channel 640a, and wherein the 2nd 2G trapper 642b quilt It is limited between second longitudinal direction channel 528 and channel 640b.It is every in illustrative 2G trapper 642a, 642b shown in Figure 45 One includes corresponding capacitor 644.
The illustrative channel DC antenna 502 shown in Figure 45 further includes the antenna feed for 2G antenna 524 and 5G antenna 526 530 are sent, wherein antenna feed 530 is limited between first longitudinal direction channel 508 and second longitudinal direction channel 528, can be extended 627 to be attached to LED 628.
Illustrative 5G antenna 526 shown in Figure 45 includes the first 5G antenna being limited on first longitudinal direction channel 508 Structure 534, and the 2nd 5G antenna structure 536 being limited on first longitudinal direction channel 508.
Illustrative first 5G antenna structure 534 shown in Figure 45 includes interconnection 538 and separate interconnection 538 A pair of conductive channel 540a, the 540b longitudinally extended, wherein the first 5G trapper 542a is limited at vertical passage 508 and channel Between 540a, and the 2nd 5G trapper 542b is limited between vertical passage 508 and channel 540b.
Illustrative 2nd 5G antenna structure 536 shown in Figure 45 includes interconnection 544, and far from interconnection 544 a pair of conductive channel 546a, the 546b longitudinally extended, wherein the first 5G trapper 548a is limited at second longitudinal direction channel Between 528 and channel 546a, and the 2nd 5G trapper 548b is limited between second longitudinal direction channel 528 and channel 546b.
Although illustrative channel design shown in Figure 45 is described as horizontal and vertical channel, other can be used Specific configuration.
Therefore, the illustrative embodiment of dual band antenna arrangement 620 can be configured in first frequency frequency band and It is operated in two frequency bands, wherein the frequency of second frequency frequency band is higher than first frequency frequency band, wherein dual band antenna arrangement 620 It is formed on printed circuit board (PCB) 554, which has first end and opposite with first end second End and the first surface 556a and second surface 556b opposite with first surface 556a, wherein dual band antenna arrangement 620 is wrapped The first passage structure 508 on the first surface 556a of PCB 554 is included, second on the first surface 556a of PCB 554 Channel design 528, wherein antenna feed channel 530 is limited between first passage structure 508 and second channel structure 528, Center trapper structure 622 on the first surface 556a of PCB 554 crosses feed throughs 530 and connects first passage structure 508 and second channel structure 528, the center trapper structure provide trapper for first band and second band, and in PCB DC feed throughs structure 656 on 554 second surface 556b, wherein first antenna channel design 508 is from antenna feed channel 530 extend towards the first end longitudinal direction of PCB 554, for being connected to active antenna part 506, wherein the second antenna channels structure 528 longitudinally extend from antenna feed channel 530 towards the second end of PCB 554, and wherein antenna structure 620 includes for first The first antenna 524 operated in frequency band, and the second antenna 526 for being operated in second frequency frequency band, wherein the One antenna 524 and the second antenna 526 are limited by first passage structure 508 and second channel structure 528, and high including first Band pathway structure 534 comprising outwardly extending first interconnection 538, Yi Jicong in two sides from first longitudinal direction channel 508 A pair of channels 540a, the 540b that first interconnection 508 extends far from the first end of antenna feed 530 towards PCB 554, wherein First longitudinal direction channel 508 is limited at for a pair of of trapper 542a of second frequency frequency band, 542b and from the first interconnection Between 508 a pair of channels 540a, 540b extended, the second high frequency band channel design 536 comprising from second longitudinal direction channel 528 Outwardly extending second interconnection 544 in two sides, and from the second interconnection 528 far from antenna feed 530 towards PCB A pair of channels 546a, the 546b that 554 second end extends, wherein being used for a pair of of the trapper 548a, 548b of second frequency frequency band It is limited at second longitudinal direction channel 528 and between a pair of channels 546a, 546b that the second interconnection 528 extends, first is low Band pathway structure 624 comprising the outwardly extending third interconnection 623 in two sides from first longitudinal direction channel 508, from third A pair of channels 630a, the 630b that the first end of interconnection 623 towards PCB 554 extend, and a pair of of capacitor 634, wherein Each of a pair of capacitor 634 is connected to corresponding one in a pair of channels 639 between first longitudinal direction channel 508, One pair of them trapper 632a, 632b are limited at first longitudinal direction channel 508 and lead to a pair extended from third interconnection 623 Between corresponding one in road 630 and the second low-frequency band channel design 626 comprising from the two sides in second longitudinal direction channel 528 Outwardly extending 4th interconnection 625 leads to from the 4th interconnection 625 towards a pair that the second end of PCB 554 extends Road 640a, 640b, and a pair of of capacitor 644, wherein each of a pair of capacitor 644 is connected to a pair of channels 640 In corresponding one between second longitudinal direction channel 528, one pair of them trapper 642a, 642b are limited at second longitudinal direction channel 528 to from corresponding in a pair of channels 640 that the 4th interconnection 625 extends between one, wherein 656 structure of DC feed throughs Longitudinally extend on the second surface of PCB 554.
Figure 46 is to be configured to double frequency tape feed-matched non-DC of perforation (feed-through) offer distribution to lead to The schematic diagram 650 of the illustrative embodiment of road 2G/5G antenna 552.The illustrative non-channel DC 2G/5G days shown in Figure 46 Line 502d may be formed on the apparent surface 556a, 556b of printed circuit board (PCB) substrate 554, in order to provide 2G antenna structure 524 and 5G antenna structure 526, is usually aligned with X-axis 32x.
Illustrative 2G antenna structure 524 shown in Figure 46, which is included in the 2G on one or two surface 556a, 556b, to fall into Wave device structure 558,653, such as extend from central longitudinal channel 508 (Figure 34), wherein the central longitudinal channel 508 can also connect It is connected to active antenna part 506 (Figure 31).Illustrative trapper structure 653 shown in Figure 46 is included in surface 556a and 556b Between the through-hole 572 (Figure 36) that extends, and further include the formation channel on the 556b of surface, can be used for and in surface 556a On trapper structure 558 combine to provide trapper capacitor arrangement.
Illustrative 2G antenna structure 524 shown in Figure 46 is attached to (such as the mini coaxial electrical of 1.37mm of coaxial cable 26 Cable 36), it is longitudinal to extend, such as close to vertical passage 508, and cross antenna feed 530 (Figure 34) and be connected to antenna structure 524. Illustrative 2G antenna structure 524 shown in Figure 46 further includes the surface 556b in the PCB 554 opposite with 2G antenna structure 524 On DC feed throughs 656 and 5G antenna structure 526.From the illustrative of the extension of second longitudinal direction channel 528 shown in Figure 46 External interconnection 652 may include the installation site 654 (Figure 45) for one or more LED 628.In some embodiments In, LED 628 is maintained in indicating area associated with external interconnection 652.
Figure 47, which is shown, is configured to the detailed of the matched channel the DC 2G/5G antenna 502d of double frequency-band feedthrough offer distribution Partial view 660.Coaxial 36 are connected to antenna feed 530 (Figure 31) by coaxial feeding point 662.In addition to direct current (DC Peed) except channel 656, the channel DC 2G/5G antenna 502 shown in Figure 47 include can matched series reactor 664 and Series capacitor 668.
Figure 48 is for including the 2G/5G antenna structure 502 of DC bypass 656 (such as powering for vehicle LED 628) The close-up view 680 of the illustrative matching of (for example, 502c, 502d), feeding and DC bypass structure.As shown in Figure 48, usually Antenna feed region 682 is positioned when first longitudinal direction channel 508 is close to antenna feed gap 530.
One or more conductive regions 685 are positioned in feeding gap 530, with one or more series capacitors 686 combine, and one or more shunt capacitors 687 and one or more feed-through capacitors 688 may together for as 2G/5G Antenna structure 502 (such as 502c, 502d) provides discrete inductance (L) and capacitor (C) matching.
Figure 49 is Smith's chart 690 for the illustrative channel DC 2G/5G antenna 502 (such as 502c, 502d).Figure 50 It is the song shown using the discrete inductance and capacitor (L&C) matched return loss with the illustrative channel DC 2G/5G antenna 502 Line chart 694, in the form of the function of frequency 104 present comprising compared with 10dB target return loss 696 based on surveyed property The curve 698 of energy.
Figure 51 be show for using the illustrative channel DC 2G/5G antenna 502 as disclosed herein (for example, 502c, First curve graph 700 of discrete inductance and capacitor (L&C) matched radiation efficiency (dB) 702 502d), with the letter of frequency 104 Several forms is presented.Figure 52 be show for using the illustrative channel DC 2G/5G antenna 502 as disclosed herein (for example, 502c, 502d) discrete inductance and the matched radiation efficiency 712 of capacitor (L&C) the second curve graph 710, with the letter of frequency 104 Several forms is presented.
Balance 2G/5G inner flat metal antenna.
Figure 53 is the balanced dual-band flat metal antenna 722 (for example, 722a) being for example mounted on inside 2G/5G equipment The schematic diagram 720 of illustrative embodiment.It can be with balanced dual-band antenna structure 722a to minimize leakage current.
Figure 54 be for example for the balanced dual-band inner flat metal antenna 722b of 2G/5G service another is illustrative The schematic diagram 740 of embodiment.The substitution dual band antenna arrangement 722b can be balanced similarly to minimize leakage current.
Disclosed flat double frequency-band (for example, 2G/5G) dipoles scatter antenna structure 722 (for example, 722a, 722b, such as Shown in Figure 53 and Figure 54) illustrative embodiment can be fabricated by metal plate (such as tin-coated steel or brass of punching press), And it can be with low-down at original manufacture.
It can be with budget metals dipole antenna configuration 722 to minimize leakage current.In some embodiments, antenna 722 Overall size be 30mm × 15mm.In some embodiments, antenna 722 is configured as only being connected by crimp part to fix together Axis shielding and center conductor.In some embodiments, using center dielectric reinforcing member 727 (for example including polycarbonate) To support and adjust the structure.In some embodiments, the reinforcing member 727 can by integrated joint (tab) (such as 748, (Figure 54)) it is fixed to metal antenna.
Illustrative antenna structure 722a shown in Figure 53 includes flat metal plate 724, such as brass or tin-coated steel.Figure 53 Shown in the illustrative embodiment of metal plate 724 there is the length of 30mm, the depth of 14.5mm and the thickness of 0.25mm. Illustrative metal plate 724 shown in Figure 53 extends from central area 726, such as relative to Y-axis 32y, to limit balance 2G/5G Antenna sets 728, balance 2G/5G antenna sets 728 include 2G antenna 730 and 5G antenna 732, they are separated by feed slot 733.In Heart district domain 726 is extended transversely with from coaxial feeding entrance 734 (such as relative to X-axis 32x) to coaxial feeding point 736, at it In can connect coaxial cable 36.Also as shown in Figure 53, matching can be provided by coaxial center conductors 738.In some realities It applies in scheme, coaxial shielding 44 and center conductor 40 are only fixed by crimping, such as do not need other fastener or welding Connection.
Illustrative balanced dual-band inner flat metal antenna 722a further includes being fixed to center shown in Figure 53 The dielectric reinforcing member 727 in domain 726, for example to support and adjust metal plate 724 by central area 726.In some realities It applies in scheme, dielectric reinforcing member 727 is fixed to metal plate 724 (Figure 54) by metal joint (metal tab) 748.
Illustrative flat metal plate 724 shown in Figure 54 can be similarly by (such as the brass or tin plating of conductive metal sheet 724 Steel) for example it is made up of punching press.The illustrative embodiment of plate 724 has the length of 30mm, the depth and 0.25mm of 15mm Thickness.Illustrative metal plate 24 shown in Figure 54 from central area 726 extend (such as relative to Y-axis 32y) with limit packet Include the 2G/5G antenna sets of the balance of 2G antenna 730 and 5G antenna 732.
Illustrative metal plate 724 (such as shown in Figure 54) may include one or more mounting holes 742 limited by it, Such as the inside for the flat metal antenna 722b in relevant device (such as 2G/5G equipment) is installed.
Central area 726 is laterally extended from the first crimping or other retention mechanisms 746 (such as relative to X-axis 32x) to leaning on Second crimping of nearly coaxial feeding point 736 or other retention mechanisms 746, the center conductor of standard coaxial cable 36 is electrically connected and machine Tool is connected on matching stub 744.In some embodiments, coaxial shielding 44 and center conductor 40 are only solid by crimping It is fixed.
Illustrative balanced dual-band inner flat metal antenna 722b further includes being fixed to the dielectric of central area to add Firmware 727, for example to support and adjust metal plate 724 by central area 726.In some embodiments, dielectric Reinforcing member 727 is fixed to metal plate 724 by metal joint (metal tabs) 748.
In some embodiments of dual band flat metal antenna 722, it can provide such as using 0.25mm Huang Copper raw material metal plate 724 and/or 1.13mm low loss coaxial 36, the feature of U.FL micro connector.It is flat in dual band In some embodiments of metal antenna 722, the mechanical support for antenna 722 is provided in itself by plate 724, such as depending on The geometry of metal thickness and type and structure.In the embodiment using reinforcing member 727, such as with 1.0mm thickness The polycarbonate of degree can help ensure that the structural intergrity of antenna 722.
The illustrative embodiment of antenna structure 720 includes metal plate 724, with first surface and with first surface phase Pair second surface, metal plate 724 include plane antenna structure, the plane antenna structure include from feeding entrance side 734 extend To the central area 726 of feed point side 736, bracket groove 733 extends from feed point side 736 towards feeding entrance side 734 to limit Gap is fed, is extended from central area 726 with the first dipole antenna configuration 730 for being operated on first frequency frequency band, from Central area 726 extends with the second dipole antenna configuration 732 for operating on second frequency frequency band, wherein second frequency frequency Band is lower than first frequency frequency band, and the first dipole antenna configuration 730 includes from central area 726 with first direction outwardly extending the One dipole half portion, and from central area 726 with the second direction outwardly extending second dipole half portion opposite with first direction, Two dipole antenna configurations 732 include from central area 726 with the outwardly extending first dipole half portion of first direction, and from center Attachment of the domain 726 with the second direction outwardly extending second dipole half portion opposite with first direction, for center conductor 44 738, which extends from the lead end of the coaxial feeding cable 36 at the antenna feed point for being located at feed point side 736, And attachment such as 746 (Figure 54), the exterior shield 40 of coaxial feeding cable 36 is fixed on being fed into for central area 726 At mouth side 734.
Figure 55 is the reflection coefficient for showing the illustrative embodiment for balance 2G/5G inner flat metal antenna 722 The curve graph 750 of performance is presented in the form of the function of frequency 104.Figure 56 is for balance 2G/5G inner flat metal antenna Smith's chart 756 of 722 illustrative embodiment.
Flat double frequency band edge feeds dipole antenna.
Figure 57 is the schematic diagram of the illustrative embodiment of flat double frequency band edge feeding dipole antenna 760, wherein day knot Structure 762 is formed on PCB 764, and in the interior zone 766 being installed in plastic shell 768, wherein PCB antenna structure 762 and plastic shell 768 it is longitudinally-aligned relative to Y-axis 32y.In some embodiments, antenna structure 762 is in structure and function It is upper to be similar to feeding dipole antenna 440 in end shown in Figure 32.
The illustrative embodiment of dual-band dipole antenna 760 can be configured in first frequency frequency band and second frequency It is operated in frequency band, wherein second frequency frequency band has the higher frequency of relatively low frequency band, wherein dual-band dipole antenna 760 The second end opposite with first end is extended to from first end, wherein dual-band dipole antenna 760 includes 442 He of first antenna structure Second antenna structure 444, wherein feeding gap 446 is limited between first antenna structure 442 and the second antenna structure 444, Wherein first antenna structure 442 extends to feeding gap 446 from the first end of double frequency band aerial 760, wherein the second antenna structure 444 extend to the second end of double frequency band aerial 760 from feeding gap 446, and wherein first antenna structure 442 includes corresponding internal Low-frequency band trapper 448 and corresponding external high frequency band trapper 450, wherein the second antenna structure 444 includes corresponding internal Low-frequency band trapper 456, and corresponding external high frequency band trapper 458, and from the coaxial electrical for distally extending to lead end Cable 452, the coaxial cable 452 are including conductive central conductor 324 and around center conductor 324 and exhausted with 324 electricity of center conductor The conductive external shielding 325 of edge, the lead end of standard coaxial cable 452 extends through the first end 442 of double frequency band aerial 760, Across the internal low-frequency band trapper 448 corresponding to first antenna structure 442, wherein be located at the lead end of coaxial cable 452 Exterior shield 325 is electrically connected to the first antenna structure 442 close to feeding gap 446, and wherein the center conductor 324 from same The lead end of shaft cable 452 extends through feeding gap 446, and is electrically connected to the second antenna structure close to feeding gap 446 444, wherein obtained end feeding dipole antenna 760 is configured as sending and receiving first frequency frequency band and second frequency frequency band In wireless signal.
Figure 58 shows the three-dimensional wave beam for illustrative flat double frequency band edge feeding dipole antenna 760 shown in Figure 57 Pattern 780.Figure 59 is the return loss shown for illustrative flat double frequency band edge feeding dipole antenna 760 shown in Figure 57 (db) chart 784 is presented with the functional form of frequency (GHz), and wherein result includes the load of plastic shell 764.Figure 60 is For Smith's chart 790 of illustrative flat double frequency band edge feeding dipole antenna 760 shown in Figure 57.
In the test of illustrative flat double frequency band edge feeding dipole antenna 760,2GHz is operated, plastic shell 764 Cause frequency to reduce 100MHz, and 5GHz is operated, frequency is reduced by about 300Mhz.
Polarized low profile antenna structure.
Figure 61 is the schematic diagram 800 of the antenna structure 802 (such as 802a) of illustrative low profile vertical polarization, this day knot Structure 802 has the feeding gap 818 being limited on the central area 810 for being formed by metal antenna structure.Figure 62 is explanation The side view 820 of property low profile antenna system 802a.Figure 63 is to be configured for coaxial feeding point 832 and matching capacitor 834 Illustrative low profile antenna system 802a detailed partial view 830.In illustrative embodiment, structure 802 is configured To send and receive wireless signal under the frequency of 915MHz.
Illustrative antenna structure 802a shown in Figure 61 includes opposite substantially rectangular plate 804a and 804b, each plate With depth 806 and width 808, they be formed as from vertical center area 810 it is orthogonal extend (such as along X-axis 32x), wherein Upper board 804a and lower panel 804b separates height 812.
In the illustrative embodiment of the antenna structure 802a of low profile vertical polarization shown in figure 61, opposite plate 804a and 804b has the depth 806 less than 60mm, and the width 808 less than 60mm, and separated by less than the height of 28mm 812。
Illustrative antenna structure 802a shown in Figure 61 further includes feeding interstitial structure 814, the feeding interstitial structure 814 Including opposite the feed element 816a and 816b extended from central area 810, and together, restriction has therebetween Feed the fluting driving chamber 817 in gap 818.
Such as needing the embodiment of vertical polarization 50, antenna structure 802a can be configured to balance low profile Omnidirectional's structure.Similarly, antenna structure 802 (for example, 802a) can be configured with low-down cost, in some embodiments In, the connector 852 (Figure 65) including only crimping.
In the illustrative embodiment of antenna structure 802, feeding gap 818 is configured as six points of wireless signal wavelength One of, so that antenna structure 802 omni-directionally shows.
Similarly, the short circuit between top plate 804a and bottom plate 804b (short) allows antenna 802 as flat top adds The dipole of load equally works, and wherein top plate 804a and bottom plate 804b serve as capacitor, and in top plate 804a and bottom Short circuit between plate 804b was then used as plate 804a, the parallel inductor of 804b.In resonance and when close to resonance, voltage is maximum Value appears in the distal end of plate 808a and 804b, far from short circuit.Short circuit between plate 808a and 804b narrows and can concentrate RF electric current, High concentric magnetic field is generated around short circuit in this region.
The illustrative embodiment of the antenna structure 802 (for example, 802a) of low profile vertical polarization includes hanging down from first end Directly extend to the planar central region 810 of second end, the first planar dipole plate of the orthogonal extension of first end from central area 810 804b, and the second planar dipole plate 804a of the orthogonal extension of second end from central area 810, wherein the first planar dipole plate 804b and the second planar dipole plate 804a is coplanar with each other and separates height 812, and wherein planar central region 810 includes being located at first Feeding interstitial structure 817 between planar dipole plate 804b and the second planar dipole plate 804a, wherein feeding interstitial structure includes A pair of opposite feed element 816a, 816b, they are coplanar with central area 810, extend from central area 810 and limit opening Slot driving chamber, which has the feeding gap 818 being limited at therebetween, wherein when coaxial feeding 832 connected When feeding gap 818, antenna structure 802 forms the antenna of the vertical polarization for wireless signal, and wherein antenna structure 802 It is made of single conductive metal sheet.
As shown in Figure 63, such as coaxial feeding 832 and matching capacitor 834 can balance under 50-75 ohm.Figure 64 is tool There is the schematic diagram 840 of coaxial matched illustrative low profile antenna system 802b (such as operating at 915MHz).Figure 65 It is the detailed maps 850 about the coaxial mating structure in the feeding gap 818 for low profile antenna system 802b comprising Series capacitor 842 and shunt capacitor 844.
As shown in Figure 64 and Figure 65, feeding coaxial 832 can be used as ring 854 and is attached, in some embodiments And 852 phase of connector of crimping is attached.Allow the magnetic field coupling in " short circuit " into ring 854 in point attachment ring 854, therefore table Gap 818 is crossed up to electric field, so that gap 818 becomes the feed point of antenna 802b.
In some embodiments, adjustable gap 818 and coaxial 832, such as by adjusting feed element 816a, One or two of 816b and/or short circuit.This enables coaxial 832 to cross gap 818 and 40 (Fig. 1) of shielding are connected to side On, it is connect on another side with center conductor 44 (Fig. 1).In order to keep symmetry, shielding 40 follows the metal passage 44 of ring 854 The center of short circuit is reached, wherein coaxial 832 are organized into and are centrally and perpendicular to short circuit.
As shown in Figure 64 and Figure 65, coaxial shielding 40 then can be crimped around ring 854.In some embodiments, Coaxial center conductors 44 include the lasso of attachment, are crimped 852 to the another of gap 818 in a manner of identical with shielding 40 Side.
Illustrative antenna structure 802a shown in Figure 64 and Figure 65 further includes shunt capacitor 844 and series capacitor 842, feeding is connected to by coaxial 832.In some embodiments, 842 energy of shunt capacitor 844 and/or series capacitor It is formed in a distributed fashion, such as by using the coaxial cable 36 (for example, Fig. 1) of short length.As further shown in Figure 65, The several coaxial shielding 40 and/or lasso for being crimped into inner conductor 44 can be easily attachable to structure 802, such as pass through crimping Connector 852.
Figure 66 is the antenna match shown for the low profile antenna system 802 (for example, 802b) operated at 915MHz Smith's chart 860.Figure 67 is the matching echo damage shown for the low profile antenna system 802b operated at 915MHz The curve graph 864 of consumption 866.
Figure 68 is the schematic diagram 870 of illustrative low profile antenna system 802c (such as operating at 915MHz), Including simplified coaxially connected structure 872.Figure 69 is simplification relevant to the feeding gap for low profile antenna system 802c Coaxially connected structure 872 detailed maps 876.Although the coaxially connected structure 872 simplified shown in Figure 68 and Figure 69 Including coaxial ring structure 854 (such as realizing illustrative low profile antenna system 802b shown in Figure 64 and Figure 65), but Simplified coaxially connected structure 872, which does not include, shunt capacitor 844.
Figure 70 be include ganged condenser structure 832,842 and 844 illustrative flat dipole aerial system 880 (such as For realizing illustrative low profile antenna system 802) schematic diagram.In illustrative embodiment, flat dipole aerial system 880 can operate at 900 mhz.
Illustrative flat dipole aerial system 880 shown in Figure 70 can be by the metal plate with width 883 and depth 887 882 are made comprising dipole structure 884a and 884b at the opposite end of plate 882, and between dipole 884a and 884b The central area 885 of extension.Illustrative antenna structure 880 shown in Figure 70 further includes feeding interstitial structure 814 (Figure 64), should Feeding interstitial structure 814 includes from opposite the feed element 816a and 816b of the extension of central area 885, and feed element 816a and 816b limits the fluting driving cavity configuration 842 with feeding gap 818 between them together.
The illustrative embodiment of flat dipole antenna configuration 880 includes that the plane of second end is extended horizontally to from first end Central area 885, the first end horizontal-extending first planar dipole region 884a from central area 885, and from center The second end in domain 885 horizontal-extending second planar dipole region 884b, wherein planar central region 885 includes flat positioned at first Feeding interstitial structure 842 between face dipole region 884a and the second planar dipole region 884b, wherein feeding interstitial structure 842 Including coplanar with central area 885 a pair opposite feed element 816a, 816b, feed element 816a, 816b from center Domain 885 extends and limits the fluting driving chamber 817 with feeding gap 818 between them, wherein when coaxial feeding 832 connects It connects when feeding on gap 818, feeding gap 818 becomes the feed point for flat dipole antenna configuration 880, and wherein flat Flat dipole antenna configuration 880 is made of single conductive metal sheet.
As described above, feeding coaxial 832 can be used as ring 854 and is attached, the company enclosed in some embodiments with volume The attachment of 852 phase of fitting.Allow the magnetic field coupling in " short circuit " into ring 854 in point attachment ring 854, therefore on gap 818 Electric field is expressed, so that gap 818 becomes the feed point for antenna 880.
Flat dipole aerial system 880 can further comprise the coaxial mating structure in relation to feeding gap 818, for example including Series capacitor and shunt capacitor 844 are attached with 852 phase of connector of crimping in some embodiments.Figure 71 is to show Out for the chart 890 of the return loss 892 of illustrative flat dipole MHz antenna structure 880 shown in Figure 70, with frequency The form of 104 functions is presented.
Figure 72 is the schematic diagram of illustrative combined antenna structure 896, which includes and flat dipole antenna The 880 low profile slot antennas 802 being combined, such as 802a, 802b, 802c.The illustrative combined antenna knot shown in Figure 72 In structure 896, flat dipole antenna 880 is comprised in the region 897 between upper board 808a and lower panel 804b.
Although illustrative low profile slot antenna 802 and flat dipole antenna 880 shown in Figure 72 are schematically shown It is shown as simplified antenna structure, but antenna structure 802, one or two of 880 may include different capacitor and simultaneously Online structure, as described above, and as needed may include the connector 852 crimped.
In some embodiments 896, low profile slot antenna 802 can be electrically connected to each other 898 to flat dipole antenna 880 (such as respectively between central area 810 and 885), without will affect antenna 802,880.
In some embodiments of combined antenna structure 896, such as their polarized matchings, isolation and/or just For any one of property handed over, some fine tunings can be beneficial.
Figure 73 is shown for the illustrative return loss 902 of gap dipole antenna 802 and for flat dipole antenna The curve graph 900 of the return loss 904 of line 880.Figure 74 be show for include be combined with flat dipole antenna 880 it is low The curve graph 906 of the isolation of the antenna structure 896 of profile slot antenna 802.As shown, operation data shows for combining knot The matching and isolation of structure 896, in the composite structure 896, flat dipole 880 is used as to be combined with gap dipole antenna 802 Casing dipole, and casing dipole/antenna 880 is not influenced by slot antenna 802.
In the combined antenna structure 896 shown in Figure 72, two antennas 802,880 are all orthogonal, and two days Line 802,880 carries out matching or better than 10dB on the required frequency band.The bandwidth of flat dipole antenna 880 can be by increasing its length Degree 883 is increased (Figure 70).As described above, two antennas 802,880 can be electrically connected to each other their central area respectively 810,885, without will affect any antenna.
Stack antenna system.
Figure 75 is the illustrative side sectional view for stacking antenna system 910, such as provides the wideband band structure of vertical polarization For carrying out multiple-input and multiple-output (MIMO) on multiple frequencies (for example, 2GHz frequency band and one or more 5GHz frequency band) Operation.Figure 76 is the perspective view 930 for stacking the illustrative antenna structure 912 of antenna system 910.Figure 77 is shown for heap The inclined shaft surveys view 940 of the stacking (stackup) of the single quadrant 942 of the illustrative antenna structure of folded antenna system 910.Figure 78 It is the side view 950 for showing the stacking of single quadrant 942 of the illustrative antenna structure for stacking antenna system 910.Figure 79 It is the front view 956 for showing the stacking of single quadrant 942 of the illustrative antenna structure for stacking antenna system 910.
Illustrative stacking antenna system 910 includes the multi-segment axially symmetric relative to Z axis 32z shown in Figure 75-79 (tiered) structure or main body 912, and including around periphery arrangement four quadrants 942 (Figure 77), with provide wireless transmission and It receives.
As shown in Figure 78, illustrative multi-segment antenna structure 912 includes the upper antenna layer 944a for 5G antenna 918, Top RF for the lower antenna layer 944c of 2G antenna 916, between upper antenna layer 944a and lower antenna layer 944c Trapper 944b (Figure 78), and the lower part RF trapper 944d below lower antenna layer 944c, middle and lower part RF trapper Bottom form the base portion of structure 912, such as placement or installation for stacking antenna system 910.
Illustrative stacking antenna system 910 may include outer cover 914 shown in Figure 75, which limits interior zone 922, antenna structure 912 is mountable in interior zone 922.In some embodiments, illustrative outer cover 914 can be axis pair Claim.For example, illustrative outer cover shown in Figure 75 includes extending to lower antenna layer 944c above upper antenna layer 944a The cone shape profile at top, and extend from top to the cylindrical profile of the bottom lower antenna layer 944c.
As described above, illustrative stacking antenna system 910 shown in Figure 75-79 can be configured to multiple-input and multiple-output (MIMO) antenna, and may be implemented for diversified application.For example, stacking some embodiments of antenna system 910 It can be configured for any independent utility, and/or may be mounted to that on horizontal surface, such as ceiling, or be installed in vertical On surface, such as wall.In some embodiments, illustrative stacking antenna system 910 is configured as router operation.
Lower antenna region 944c shown in Figure 78 is configured as accommodating 2G antenna module 918, and shown in Figure 78 Upper area 944a is configured as accommodating 5G antenna module 918.Lowest level 944d shown in Figure 75 is configured as RF trapper 920.Similarly, third region 944b is configured as providing RF trapper between 2G antenna module 916 and 5G antenna module 918 924。
Each of illustrative 2G antenna module 916 and illustrative 5G antenna module 918 shown in Figure 75-79 provide one Group antenna element, to provide transmission and reception for each quadrant 942.As shown in Figure 76 and Figure 77, four quadrants 942 are multiple Signal is provided on direction (such as radially outward relative to X-axis 30x and y-axis 30y) to receive and transmit.
For example, illustrative 2G antenna module 916 shown in Figure 78 and Figure 79 may include for each quadrant 942 towards Outer monopole antenna elements 916, to provide reflector for each angle of structure 910.Similarly, each monopole antenna elements 916 can generate necessary vertical component (vertical components) for corresponding wireless signal.
In addition, each illustrative 5G antenna module 918 shown in Figure 78 and Figure 79 includes the face for each quadrant 942 Outside dipole antenna sub-component (sub-assembly).Illustrative 5G antenna module 918 shown in Figure 75 generally includes to present It is sent to the balanced-unbalanced transformer of each antenna reflector.
The illustrative antenna system 910 that stacks shown in Figure 75-79 can provide the broadband operation of vertical polarization, such as logical It crosses and uses four quadrature signal paths to be used to exporting and/or inputting wireless signal, and can be configured to provide beam forming.
The illustrative embodiment that antenna system 910 is stacked shown in Figure 75-79 can be configured in multiple frequencies The all channel antenna structure of the vertical polarization of multiple-input and multiple-output (MIMO) operation is carried out in rate, wherein antenna system 910 includes Four unipole antenna sub-components 916 for being operated in the first radio band with corresponding frequencies (such as 2GHz), Four dipole antenna sub-components 918 for being operated in the second radio band with corresponding frequencies (such as 5GHz), Wherein the frequency of the second radio band is higher than the frequency corresponding to the first radio band, and antenna body 912 includes multiple layers 944, Axisymmetricly relative to vertical axis (such as 32z), middle layer 944 is divided into four orthogonal quarters 942, and its in its middle layer 944 Middle layer includes upper antenna layer 944a, and the corresponding dipole antenna sub-component 918 in upper antenna layer 944a for operation is The second radio band being mounted in each of four quadrants 942, the first RF below upper antenna layer 944a are fallen into Wave device layer 944b, the lower antenna layer 944c below the first RF trapper 944b, for grasping in lower antenna layer 944c The corresponding unipole antenna sub-component 916 made is the first radio band being mounted in each of four quadrants 942, and Lower part RF trapper layer 944d below lower antenna layer 944c.
Figure 80 is that there are four the illustrative vertical stacks of radial quadrant 970 and the printed circuit board (PCB) 968 of internal installation for tool The diameter view of folded three frequency-band antenna system 960 (for example including the active electronic device for antenna system 960) of four-quadrant.Figure 81 be that there are four the three frequency-band antenna systems of illustrative vertical stacking four-quadrant of radial quadrant 970 and the PCB 968 of internal installation for tool The top view 980 of system 960.
The illustrative three frequency-band antenna system 960 of vertical stacking four-quadrant shown in Figure 80 and Figure 81 includes surrounding 2G layers Four 2G components 976 of 972 peripheral disposition, to provide the operation in 2G frequency band, and around the peripheral disposition of 5G layer 974 Four double 5G components 978, to provide two 5G frequency bands, no 60GHz.
The illustrative three frequency-band antenna system 960 of vertical stacking four-quadrant shown in Figure 80 and Figure 81 further includes around day Four quadrants 970 of the peripheral disposition of line 910, to provide hair on four orthogonal directions (such as about X-axis 32y and Y-axis 32y) It send and receives.As further shown in Figure 80, three frequency-band antenna system 960 of four-quadrant is generally included for each antenna module 976,978 reflector surface 977 and 979.
The illustrative embodiment of three frequency-band antenna system 960 of vertical stacking four-quadrant includes first antenna component 976, Including four antenna subsets for being operated in the first radio band with corresponding first frequency (for example, 2GHz) Part, the second antenna module 978 comprising in the two second wireless frequencies with corresponding second frequency (for example, 5GHz) Four dipole antenna sub-components being operated in band, wherein corresponding second frequency is higher than first frequency, antenna body 964, It extends vertically up to the upper end opposite with lower end from lower end, which has the interior zone being defined inside it 966, and it is external, it include for sending and receiving four of wireless signal radial quadrants on four orthogonal directions outside this 970, wherein each quadrant 970 includes the lower antenna region 972 extended vertically upwards from the lower end of antenna body, and under The upper area 974 that the upper end of portion's antenna area 976 towards antenna body 964 extends vertically upwards, wherein in the first nothing Each of four antenna sub-assemblies operated in line frequency band are installed in corresponding one in lower antenna region 972 In a quadrant 970, wherein each of four dipole antenna sub-components for being used to be operated in the second radio band quilt It is mounted in the corresponding quadrant 970 in upper antenna region 974, and includes the active electricity for antenna system 960 The printed circuit board (PCB) 968 of sub- device, wherein PCB 968 is installed in the inside 966 of antenna body 964, and is connected to First antenna component 976 and the second antenna module 978, wherein three frequency-band antenna system 960 of vertical stacking four-quadrant is configured For in four orthogonal directions of the first radio band with first frequency and two the second radio bands with second frequency It is upper that sending and receiving for wireless signal is provided.
The illustrative embodiment of three frequency-band antenna system 960 of vertical stacking four-quadrant shown in Figure 80 and Figure 81 has The total height of 152mm and the overall diameter of 172mm.In one embodiment, the width of illustrative PCB 968 is 156mm, and high For 161mm, and in the further prominent about 12mm in lower section in order to provide aerial lug, such as power supply can be provided and had Line network connector.
Note that unless above, possibility is otherwise indicated or reaches any such embodiment in function and/or structure Upper degree that may be mutually exclusive, otherwise above-described any and all embodiment can be combined each other,.
For example, as shown in figure 33, crimp assemblies 462 can be readily used for as the embodiment party of antenna structure disclosed herein Case provides steady and inexpensive connection.Similarly, one or more of PCB antenna structure disclosed herein can be easily It is encapsulated in disclosed shell.In addition, the balanced-unbalanced transformer structure of enhancing is easily implemented for a variety of more The disclosed PCB antenna structure of sample.
Although describing the present invention referring to specific exemplary implementation scheme, it should be recognized that the present invention is not It is limited to described embodiment, but can be carried out in the spirit and scope of the appended claims by modifications and changes Practice.Therefore, the description and the appended drawings should be considered as descriptive sense meaning and not restrictive.

Claims (22)

1. a kind of antenna structure, comprising:
Conductive metal dipole antenna for being operated in corresponding frequency band, the dipole antenna include:
First dipole half portion extends outwardly from the first half portion of feed point along first direction, and
Second dipole half portion, from the second half portion of the feed point along second direction opposite to the first direction to extension It stretches;
Wherein feeding gap is limited between first and second half portion of the feed point;And
Wherein the first dipole half portion and the second dipole half portion limit center-fed dipole antenna;
The first balanced-unbalanced transformer of conductive metal channel, described in first half portion close to the feed point First half portion dipole half portion extends to coaxial welding point;
The second balanced-unbalanced transformer of conductive metal channel, described in second half portion close to the feed point Second half portion dipole half portion extends to the coaxial welding point;
Coaxial shielding tie point, first balanced-unbalanced for being located at first half portion close to the feed point become On exchanger channel;And
Coaxial conductor tie point, second balanced-unbalanced for being located at second half portion close to the feed point become On exchanger channel.
2. antenna structure as described in claim 1, wherein the antenna structure is following any one:
Only metalliferous structure;Or
Metal layer on printed circuit board (PCB).
3. antenna structure as described in claim 1, further comprises:
Coaxial cable comprising center conductor, around the coaxial shielding of the center conductor, and in the center conductor and institute State the coaxial insulator between coaxial shielding;
Wherein the coaxial cable extends to the distal end opposite with the lead end from lead end;
Wherein at the lead end, the center conductor is connected to the coaxial conductor tie point, and the coaxial shielding It is connected to the coaxial shielding tie point;
Wherein the coaxial shielding is also connected to the coaxial welding point;And
Wherein the distal end of the coaxial cable extends beyond the coaxial welding point, to be connected to antenna mounted electronics.
4. antenna structure as described in claim 1, further comprises:
The second conductive metal dipole antenna for being operated in second frequency frequency band, the frequency band be lower than and it is described The corresponding frequency band of first dipole antenna, second dipole antenna include:
First dipole half portion extends outwardly from first half portion of the feed point along the first direction, and
Second dipole half portion extends outwardly from second half portion of the feed point along the second direction;
Wherein the first dipole half portion and the second dipole half portion limit the center-fed dipole antenna;And it is neutralized The corresponding frequency of the first band is the even-multiple of frequency corresponding with the second band.
5. a kind of antenna structure, comprising:
Conductive metal dipole antenna, comprising:
First dipole half portion extends outwardly from the first half portion of feed point along first direction, and
Second dipole half portion, from the second half portion of the feed point along second direction opposite to the first direction to extension It stretches;
Wherein feeding gap is limited between first and second half portion of the feed point;And
Wherein the first dipole half portion and the second dipole half portion limit center-fed dipole antenna;
Conductive metal balanced-unbalanced transformer channel, from the first half portion of first half portion close to the feed point Dipole half portion extends to coaxial welding point;
Coaxial shielding tie point is located at the second balanced-unbalanced transformer of second half portion close to the feed point On channel;
Coaxial conductor tie point is located at the first balanced-unbalanced transformer of first half portion close to the feed point On channel;And
Coaxial cable comprising center conductor, around the coaxial shielding of the center conductor, and in the center conductor and institute State the coaxial insulator between coaxial shielding;
Wherein the coaxial cable extends to the distal end opposite with the lead end from lead end;
Wherein in the lead end, the center conductor is connected to the coaxial conductor tie point, and the coaxial shielding connects It is connected to the coaxial shielding tie point;
Wherein the coaxial shielding is also connected to the coaxial welding point;
Wherein the distal end of the coaxial cable extends beyond the coaxial welding point, to be connected to antenna mounted electronics;And And
Wherein the coaxial shielding and balanced-unbalanced transformer channel formation are used for the balance-of the antenna structure no Balance converter structure.
6. antenna structure as claimed in claim 5, further comprises:
The second conductive metal dipole antenna for being operated in second frequency frequency band, wherein the second frequency frequency band is low In the frequency band for corresponding to first dipole antenna, second dipole antenna includes:
First dipole half portion extends outwardly from first half portion of the feed point along the first direction, and
Second dipole half portion extends outwardly from second half portion of the feed point along the second direction;
Wherein the first dipole half portion and the second dipole half portion limit the center-fed dipole antenna;Described in it is neutralized The corresponding frequency of first band is the even-multiple of frequency corresponding with the second band.
7. a kind of dual band antenna arrangement for being operated in first frequency frequency band and second frequency frequency band, wherein described The frequency of second frequency frequency band is higher than the first frequency frequency band, and the dual band antenna arrangement is formed in printed circuit board (PCB) on, the printed circuit board have first end and the second end opposite with the first end and first surface and with institute The opposite second surface of first surface is stated, the dual band antenna arrangement includes:
First passage structure;With
Second channel structure;
Wherein antenna feed region is limited between the first passage structure and the second channel structure;
Wherein the first end of the first antenna channel design from the antenna feed region towards the PCB is longitudinally prolonged It stretches, to be connected to active antenna part;
Wherein the second end of the second antenna channels structure from the antenna feed region towards the PCB is longitudinally prolonged It stretches;
Wherein the antenna structure includes the first antenna for being operated in the first frequency frequency band, and is used for The second antenna operated in the second frequency frequency band, wherein the first antenna and second antenna are by described first Channel design and the second channel structure qualification, and include:
First high frequency band channel design comprising outwardly extending first interconnection in two sides from first longitudinal direction channel, and A pair of channels extended from first interconnection far from the first end of antenna feed towards the PCB, wherein being used for A pair of of trapper of the second frequency frequency band is limited at the first longitudinal direction channel and extends from first interconnection The pair of channel between;
Second high frequency band channel design comprising outwardly extending second interconnection in two sides from second longitudinal direction channel, and A pair of channels extended from second interconnection far from the second end of antenna feed towards the PCB, wherein being used for A pair of of trapper of the second frequency frequency band is limited at the second longitudinal direction channel and extends from second interconnection The pair of channel between;And
Third channel structure between the first end and the first high frequency band channel design of the PCB, described Triple channel structure includes the outwardly extending third interconnection in two sides from the first longitudinal direction channel, laterally logical from the third A pair of outer channel that road longitudinally extends, and from a pair of of inner passage that the third interconnection longitudinally extends, wherein often A inner passage is between a corresponding external channel and the first longitudinal direction channel, wherein for described the A pair of of trapper of two frequency bands is limited between the corresponding external channel and inner passage, and is wherein used for institute A pair of of the trapper for stating first frequency frequency band is limited between the corresponding inner passage and the first longitudinal direction channel.
8. dual band antenna arrangement as claimed in claim 7, wherein the third channel structure further comprises:
A pair of of the capacitor being connected between the corresponding inner passage and the first longitudinal direction channel.
9. dual band antenna arrangement as claimed in claim 8, wherein the pair of capacitor is configured for described second The beam alignment operated in frequency band.
10. dual band antenna arrangement as claimed in claim 7, further comprises:
It is distributed mating structure, is based upon the day between the first passage structure and the second channel structure In line feed area.
11. dual band antenna arrangement as claimed in claim 10, wherein the distribution mating structure includes capacitor, inductance Device, any one of current divider or any combination thereof.
12. dual band antenna arrangement as claimed in claim 10, wherein the distribution mating structure is configured as
In the first antenna for being operated in the first frequency frequency band and in the second frequency frequency band Required matching properties are provided between middle second antenna operated.
13. a kind of dual band antenna arrangement for being operated in first frequency frequency band and second frequency frequency band, wherein institute The frequency for stating second frequency frequency band is higher than the first frequency frequency band, and the dual band antenna arrangement is formed in printed circuit board (PCB) on, the printed circuit board have first end and the second end opposite with the first end and first surface and with institute The opposite second surface of first surface is stated, the dual band antenna arrangement includes:
First passage structure on the first surface of the PCB;
Second channel structure on the first surface of the PCB, wherein antenna feed channel is limited at described first Between channel design and the second channel structure;
Center trapper structure on the first surface of the PCB, the excessively described feed throughs connection described first are logical Road structure and the second channel structure, the center trapper structure provide sunken for the first band and the second band Wave device;With
DC feed throughs structure on the second surface of the PCB;
Wherein the first end of the first antenna channel design from the antenna feed channel towards the PCB is longitudinally prolonged It stretches, to be connected to active antenna part;
Wherein the second end of the second antenna channels structure from the antenna feed channel towards the PCB is longitudinally prolonged It stretches;
Wherein the antenna structure includes the first antenna for being operated in the first frequency frequency band, and is used for The second antenna operated in the second frequency frequency band, wherein the first antenna and second antenna are by described first Channel design and the second channel structure qualification, and include:
First high frequency band channel design comprising outwardly extending first interconnection in two sides from first longitudinal direction channel, and A pair of channels extended from first interconnection far from the first end of antenna feed towards the PCB, wherein being used for A pair of of trapper of the second frequency frequency band is limited at the first longitudinal direction channel and extends from first interconnection The pair of channel between;
Second high frequency band channel design comprising outwardly extending second interconnection in two sides from second longitudinal direction channel, and A pair of channels extended from second interconnection far from the second end of antenna feed towards the PCB, wherein being used for A pair of of trapper of the second frequency frequency band is limited at the second longitudinal direction channel and extends from second interconnection The pair of channel between;
First low-frequency band channel design comprising the outwardly extending third interconnection in two sides from the first longitudinal direction channel, The a pair of channels extended from the third interconnection to the first end of the PCB, and a pair of of capacitor, wherein described Each of a pair of of capacitor is connected to corresponding one in the pair of channel between the first longitudinal direction channel, Middle a pair of trapper is limited at the first longitudinal direction channel and from the pair of channel that the third interconnection extends It is corresponding between one;And
Second low-frequency band channel design comprising outwardly extending 4th interconnection in two sides from the second longitudinal direction channel, The a pair of channels extended from the 4th interconnection towards the second end of the PCB, and a pair of of capacitor, wherein institute Corresponding one that each of a pair of of capacitor is connected in the pair of channel is stated between the second longitudinal direction channel, One pair of them trapper be limited at the second longitudinal direction channel and from the 4th interconnection extend the pair of channel In it is corresponding between one;
Wherein the DC feed throughs structure longitudinally extends on the second surface of the PCB.
14. dual band antenna arrangement as claimed in claim 13, wherein the center trapper is positioned to provide described One frequency band and the second frequency frequency band.
15. dual band antenna arrangement as claimed in claim 13, wherein the second antenna channels structure is from the antenna feed Region is sent longitudinally to extend, for being connected to one or more light emitting diodes (LED).
16. dual band antenna arrangement as claimed in claim 13, further comprises:
It is distributed mating structure, is based upon on the antenna feed channel, the first passage structure and described second are located at Between channel design.
17. dual band antenna arrangement as claimed in claim 16, wherein the distribution mating structure includes capacitor, inductance Device, any one of current divider or any combination thereof.
18. dual band antenna arrangement as claimed in claim 16, wherein the distribution mating structure is configured as being used for The first antenna that is operated in the first frequency frequency band and for being operated in the second frequency frequency band Required matching properties are provided between second antenna.
19. dual band antenna arrangement as claimed in claim 13, wherein the DC feed throughs structure is in the first longitudinal direction Channel, the center trapper structure and the second longitudinal direction channel it is longitudinally extending below.
20. a kind of dual-band dipole antenna for being operated in first frequency frequency band and second frequency frequency band, wherein institute The frequency for stating second frequency frequency band is higher than lower frequency frequency band, and the dual-band dipole antenna has first end and with described first Opposite second end is held, the dual-band dipole antenna includes:
First antenna structure;With
Second antenna structure;
Gap is fed, is limited between the first antenna structure and second antenna structure;
Wherein the first antenna structure extends to the feeding gap from the first end of the double frequency band aerial;
Wherein second antenna structure extends to the second end of the double frequency band aerial from the feeding gap;
Wherein the first antenna structure includes corresponding internal low-frequency band trapper and corresponding external high frequency band trapper;
Wherein second antenna structure includes corresponding internal low-frequency band trapper and corresponding external high frequency band trapper;With And
Coaxial cable, it is described coaxially to include conductive central conductor and led around the center from distally extending to lead end Body and the conductive external being electrically insulated with center conductor shielding;
Wherein the lead end of the coaxial cable extends through the first end of the double frequency band aerial, across corresponding to The internal low-frequency band trapper of the first antenna structure;
Wherein the exterior shield at the lead end of the coaxial cable is electrically connected to described the close to the feeding gap One antenna structure;And
Wherein the center conductor extended the feeding gap from the lead end of the coaxial cable, and was electrically connected to Second antenna structure close to the feeding gap;
Wherein obtained end feeding dipole antenna is configured as sending and receiving the first frequency frequency band and second frequency Wireless signal in rate frequency band.
21. dual-band dipole antenna as claimed in claim 20, further comprises:
Plastic shell, wherein defining longitudinal interior zone;
Wherein the dual-band dipole antenna is located in longitudinal interior zone of the plastic shell.
22. dual-band dipole antenna as claimed in claim 21, wherein the dual-band dipole day in the plastic shell The return loss of line is configured as being both less than 10dB for the low frequency frequency band and the second frequency frequency band.
CN201811588021.4A 2017-12-22 2018-12-24 Antenna structure and relevant building and application method Pending CN109962341A (en)

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CN206364189U (en) * 2016-11-30 2017-07-28 北京偶极通信设备有限责任公司 Double frequency single feed point high-gain aerial

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Application publication date: 20190702