CN206893801U - Double frequency gap mimo antenna - Google Patents
Double frequency gap mimo antenna Download PDFInfo
- Publication number
- CN206893801U CN206893801U CN201720738633.1U CN201720738633U CN206893801U CN 206893801 U CN206893801 U CN 206893801U CN 201720738633 U CN201720738633 U CN 201720738633U CN 206893801 U CN206893801 U CN 206893801U
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- line
- rabbet joint
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- resonator
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/10—Resonant slot antennas
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Abstract
The utility model discloses a kind of double frequency gap mimo antenna, including two antenna radiators, the bottom of two antenna radiators is connected with each other and shape is in an angle between inside edge, the inside edge of two antenna radiators is connected by neutralizing line, the upper surface of the medium substrate of two antenna radiator coverings is laid with metal level as metallic RF, neutralize line and be connected with a lumped capacity C, lumped capacity C is connected on a metal derby, each antenna radiator is made up of the coplanar waveguide feeder line of a multimode gap resonator and a T-shaped structure, multimode gap resonator is formed by folding gap resonator and co-planar waveguide step electric impedance resonator, co-planar waveguide step electric impedance resonator is connected with metallic RF, and fed by coplanar waveguide feeder line to multimode gap resonator.The structure of double frequency gap described in the utility model mimo antenna is simple, and practicality is high, and isolation is high, and can realize the reconfigurability of antenna frequencies.
Description
Technical field
It the utility model is related to frequency microwave communication technical field, more particularly to a kind of double frequency gap mimo antenna.
Background technology
Although neutralization line has been widely used for MIMO (Multiple Input Multiple Output, multi input are more
Output) Antenna Design, to improve the isolation between antenna port, but most lines that neutralize all are to be applied to monopole knot
Structure, i.e., by neutralizing, line connects the radiant body of monopole minor structure or feed line improves the isolation between antenna port.However,
When antenna feed structure is co-planar waveguide (CPW) feed line, the neutralization line design method of this two feed lines of connection can be big
Big increase antenna match difficulty, therefore practicality is very low.Certain tolerance in antenna structure process be present, in order to improve this
Adaptability of the structure to antenna mismachining tolerance, it is ensured that antenna can keep higher an isolation and frequency in working frequency range
Controllability, it is necessary to propose a kind of double frequency gap mimo antenna of frequency reconfigurable.
Utility model content
Main purpose of the present utility model provides a kind of double frequency gap mimo antenna, it is intended to improves double frequency gap mimo antenna
Isolation and realize the reconfigurabilities of antenna frequencies.
To achieve the above object, the utility model provides a kind of double frequency gap mimo antenna, etches in medium substrate
Upper surface, it is characterised in that double frequency gap mimo antenna includes two antenna radiators, the bottom of two antenna radiators
Be connected with each other and inside edge between shape in an angle, the central axis of two antenna radiators on the antenna or so pair
Claim, the inside edge of two antenna radiators neutralizes line by one and connected, the medium substrate of two antenna radiator coverings
Upper surface is laid with metal level as metallic RF, wherein：The neutralization line is connected with a lumped capacity C, lump electricity
Hold C to be connected on a metal derby, the medium substrate that the metal derby is rectangle and is embedded between two antenna radiators
Upper surface, it is described neutralize line be straight line, curve or folding line metal wire；Each antenna radiator is by die slot more than one
The coplanar waveguide feeder line composition of gap resonator and a T-shaped structure, the multimode gap resonator is by a folding gap resonator
Being formed with a co-planar waveguide step electric impedance resonator, the co-planar waveguide step electric impedance resonator is connected with metallic RF, and
Fed by coplanar waveguide feeder line to multimode gap resonator.
Preferably, one end of the lumped capacity C is connected to the center position of the neutralization line, the lumped capacity C
The other end be connected on the metal derby.
Preferably, the minimum range between the multimode gap resonator in described two antenna radiators is D3=3.0mm.
Preferably, the co-planar waveguide step electric impedance resonator is the medium base surrounded by the folding gap resonator
Metal level on plate, and be S by a width1Metal wire be connected with metallic RF.
Preferably, it is characterised in that it is described folding gap resonator by first line of rabbet joint, two second line of rabbet joint, two
Third slot line, two the 4th line of rabbet joint and two the 5th line of rabbet joint composition, the respective vertical connection in one end of two second line of rabbet joint
Right angle U-shape structure is formed at the both ends of first line of rabbet joint, wherein the one of one end of third slot line and wherein one the 5th line of rabbet joint
The both ends of respective vertical connection the 4th line of rabbet joint wherein are held to form an angle of collimation U-shape structure, wherein another 3rd groove
The both ends of respective vertical connection another 4th line of rabbet joint wherein in one end of line and one end of wherein another 5th line of rabbet joint are formed
One angle of collimation U-shape structure, the other end of two third slot lines are vertically connected on the other end of two second line of rabbet joint.
Preferably, two the 4th line of rabbet joint for folding gap resonator are between two second line of rabbet joint and mutually flat
OK, two the 4th line of rabbet joint are close to each other and separated by metal wire, first line of rabbet joint, third slot line and the 5th line of rabbet joint be parallel to each other and
Separate to form co-planar waveguide step electric impedance resonator by certain media substrate.
Preferably, direction offers the 6th groove to the medium position of first line of rabbet joint for folding gap resonator downward vertically
Line, one end of the 6th line of rabbet joint are communicated to the medium position of first line of rabbet joint, and the other end of the 6th line of rabbet joint is extended downwardly and is connected to
One long edge of medium substrate.
Preferably, the coplanar waveguide feeder line includes the first feeder line and the second feeder line, and one end of second feeder line is vertical
The medium position for being connected to the first feeder line forms T-shaped structure, and first feeder line is built in the first groove of the gap resonator
In line and make between the first feeder line and the first line of rabbet joint lower frame at intervals of d1Opening position, second feeder line is built in the 6th
The line of rabbet joint and hollow out gap for making the second feeder line both sides is d0Central position, make the coplanar waveguide feeder line of T-shaped structure to more
Die slot gap resonator is fed.
Preferably, the inner side spacing between two the 4th line of rabbet joint is S0, the outside spacing between two the 4th line of rabbet joint
Equal to the width of metal wire.
Compared to prior art, double frequency gap described in the utility model mimo antenna connects double frequency gap day using line is neutralized
Two antenna radiators in line, so as to form a transmission zero in the first working frequency, improve double frequency gap MIMO days
Isolation between two ports of line (port P1 and port P2).The center position for neutralizing line connects a lumped capacity C, should
The frequency of transmission zero can be tuned by adjusting lumped capacity C capacitance, so as to realize the reconfigurability of antenna frequencies.
The structure of double frequency gap described in the utility model mimo antenna is simple, and practicality is high, and isolation is high, and can realize antenna frequencies
Reconfigurability.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model double frequency gap mimo antenna；
Fig. 2 is the structural representation for connecting the neutralization line between two antenna radiators；
Fig. 3 is the physical dimension schematic diagram of antenna radiator；
Fig. 4 is the structural representation of the multimode gap resonator in antenna radiator；
Fig. 5 is the structural representation that multimode gap resonator in antenna radiator offers the line of rabbet joint；
Fig. 6 is the structural representation of the coplanar waveguide feeder line in antenna radiator；
Fig. 7 is to neutralize the emulation schematic diagram that line influences on antenna S parameter；
Fig. 8 is the emulation schematic diagram that lumped capacity C influences on antenna S parameter.
The realization of the utility model purpose, functional characteristics and advantage will in conjunction with the embodiments, will be in specific embodiment part one
And it is described further referring to the drawings.
Embodiment
Further to illustrate that the utility model is to reach the technological means and effect that above-mentioned purpose taken, below in conjunction with
Accompanying drawing and preferred embodiment, specific embodiment of the present utility model, structure, feature and its effect are described in detail.Should
Work as understanding, specific embodiment described herein only to explain the utility model, is not used to limit the utility model.
Shown in reference picture 1, Fig. 1 is the structural representation of the utility model double frequency gap mimo antenna.In the present embodiment,
Double frequency gap MIMO (Multiple Input Multiple Output, multiple-input and multiple-output) antenna of the frequency reconfigurable
Including two antenna radiators 11, the inside edge of two antenna radiators 11 neutralizes line 12 by one and connected, each day
Beta radiation body 11 is made up of multimode gap resonator 13 and coplanar waveguide feeder line 3, and the multimode gap resonator 13 is by a folding
Gap resonator (FSLR) 1 and a co-planar waveguide step electric impedance resonator (CSIR) 2 form, and the co-planar waveguide stepped impedance is humorous
The device 2 that shakes by a width is S1Metal wire 5 (shown in reference picture 3) (Ground) 4 is connected with metallic RF, and pass through one
The coplanar waveguide feeder line 3 (abbreviation CPW feeder lines 3) of individual T-shaped structure is fed to multimode gap resonator 13, realizes the double frequency of antenna
Characteristic.
In the present embodiment, two antenna radiators 11 are etched on medium substrate 10, and two antenna radiators 11 cover
The upper surface of certain media substrate 10 be laid with metal level (such as applying copper metal layer, represented using grey parts in Fig. 1), example
Such as apply copper metal layer, 4 as metallic RF, 4 refer to not surrounded by multimode gap resonator 13 metallic RF in Fig. 1
Part metal level.The specific sheet material type of medium substrate 10 can be FR4 sheet materials, thickness 1.6mm, dielectric constant
For 4.4.The bottom of two antenna radiators 11 is connected with each other and an angle theta is formed between inside edge, and the angle theta can be
Any angle between 0 ° to 180 °, the present embodiment is using 60 ° of decision design as antenna structure size of angle.Two aerial radiations
Body 11 is symmetrical on the central axis ab of antenna.Neutralize line 12 and connect two antenna radiators 11, so that double frequency gap
Mimo antenna forms a transmission zero in relevant work frequency.
In the present embodiment, a lumped capacity C is connected with the neutralization line 12, lumped capacity C is connected to one
Metal derby 14.Preferably, one end of the lumped capacity C is connected to the center position for neutralizing line 12, and the other end is connected to gold
Belong on block 14.The metal derby 14 is rectangular metal copper sheet and the medium substrate being embedded between two antenna radiators 11
10 upper surface, the length of the metal derby 14 is preferably L11=11mm, width are preferably W11=1.0mm.Designer passes through regulation
Lumped capacity C simultaneously chooses appropriate capacitance to adjust the frequency of transmission zero, and transmission zero can cover antenna well
First working frequency range, therefore in the case where processing double frequency gap mimo antenna process has certain accuracy error, can be effective
Ensure the isolation between two ports (port P1 and port P2) of the double frequency gap mimo antenna in the first frequency range.This implementation
Example in the center position of line 12 by connecting a lumped capacity C, by selecting different lumped capacity C capacitance,
Such as selection lumped capacity C capacitance can be 0.5pF, 2.0pF etc., to realize to biography caused by the mimo antenna of double frequency gap
The regulation of the frequency of defeated zero point, so as to realize the controllability of the reconfigurability of antenna frequencies, i.e. antenna frequencies.
With reference to shown in figure 2, Fig. 2 is the structural representation for connecting the neutralization line between two antenna radiators.In this implementation
In example, the neutralization line 12 is etched on the medium substrate 10 between two antenna radiators 11, is etched with the portion for neutralizing line 12
Dividing on medium substrate 10 does not have coating metal layer.The neutralization line 12 is metal wire, such as copper lines.The neutralization line 12 can
Think straight line, curve or the folding line for arbitrary shape, such as " accurate several fonts " folding line, semicircle folding line, half
Oval folding line etc..For the ease of antenna structure size design, in the present embodiment and line 12 is preferably " accurate several fonts " bending
Line.
In the present embodiment, the decision design as antenna structure size, neutralization line 12 described in the utility model is by five sections
Folding line forms " quasi- shape of chinese word Ji ", because the angle theta formed between the inside edge of two antenna radiators 11 is 60 °, neutralizes
The width of line 12 is preferably 0.5mm, and five sections of bending line lengths for neutralizing line 12 are respectively preferably L8=8.45mm, L9=12.2mm,
L10=5.8mm, L9=12.2mm, L8=8.45mm.In other implementations, each section of bending line length for neutralizing line 12 can root
The angle theta that is formed between inside edge according to two antenna radiators 11 designs.
With reference to shown in figure 3 and Fig. 4, Fig. 3 is the physical dimension schematic diagram of antenna radiator；Fig. 4 is more in antenna radiator
The structural representation of die slot gap resonator.In the present embodiment, each antenna radiator 11 includes a multimode gap resonance
Device 13, multimode gap resonator 13 fold gap resonator 1 and 2 groups of a co-planar waveguide step electric impedance resonator by one
Into, and it is symmetrical on the shaft centre line of the multimode gap resonator 13.The folding gap resonator 1 includes one first
21, two second line of rabbet joint 22, two third slot lines, 23, two the 4th line of rabbet joint 24 of the line of rabbet joint and two the 5th line of rabbet joint 25.Two
The both ends that one end of two line of rabbet joint 22 is each vertically connected on first line of rabbet joint 21 form right angle U-shape structure, wherein a third slot line
The both ends of respective vertical connection the 4th line of rabbet joint 24 wherein in 23 one end and one end of wherein one the 5th line of rabbet joint 25 are formed
One angle of collimation U-shape structure, wherein one end of another third slot line 23 and one end of wherein another 5th line of rabbet joint 25 are each
The both ends of vertical connection another 4th line of rabbet joint 24 wherein form an angle of collimation U-shape structure, two third slot lines 23 it is another
One end is vertically connected on the other end of two second line of rabbet joint 22, and two the 4th line of rabbet joint 24 are located between two second line of rabbet joint 22 and phase
Mutually parallel, two the 4th line of rabbet joint 24 are close to each other and separated by metal wire 5.First line of rabbet joint 21, the groove of third slot line 23 and the 5th
Line 25 is parallel to each other and separates to form co-planar waveguide step electric impedance resonator 2 by certain media substrate 10.Due to multimode gap
Resonator 13 is symmetrical on the shaft centre line of the multimode gap resonator 13, therefore two angle of collimation U-shape structures are on more
The shaft centre line of die slot gap resonator 13 is symmetrical.
In the present embodiment, the right angle U-shape structure is defined as forming two U-shaped corners as right angle and formed U-shaped
Two line of rabbet joint equal lengths (being second line of rabbet joint 22), it is right angle that angle of collimation U-shape structure, which is defined as forming accurate two U-shaped corners,
And form accurate two U-shaped line of rabbet joint length it is unequal (line of rabbet joint is third slot line 23, and another line of rabbet joint is the 5th line of rabbet joint 25,
And the length of third slot line 23 is more than the 5th line of rabbet joint 25).The line of rabbet joint alleged by the utility model refers both to what is opened up on medium substrate 10
Hollow out gap.
In the lump with reference to shown in figure 3 and Fig. 4, the length of first line of rabbet joint 21 is the length L of two third slot lines 233With metal wire
5 width S1Sum (i.e. 2 × L3+S1), the width of first line of rabbet joint 21 is W1；The length of second line of rabbet joint 22 is L2, third slot line 23
Length be L3, the length of the 4th line of rabbet joint 24 is L4, the length of the 5th line of rabbet joint 25 is L5, second line of rabbet joint 22, third slot line 23,
The width of four line of rabbet joint 24 and the 5th line of rabbet joint 25 is W2；Inner side spacing between two the 4th line of rabbet joint 24 is S0, two the 4th line of rabbet joint
Outside spacing between 24 is equal to the width of metal wire 5, is S1；Spacing between first line of rabbet joint 21 and the 5th line of rabbet joint 25 is S2。
The co-planar waveguide step electric impedance resonator 2 is the certain media substrate 10 surrounded by folding gap resonator 1
Metal level, and by a width be S1 metal wire 54 be connected with metallic RF.First line of rabbet joint 21, the and of third slot line 23
5th line of rabbet joint 25 is parallel to each other and separates to form co-planar waveguide step electric impedance resonator 2 by certain media substrate 10.
With reference to figure 5, Fig. 5 is the structural representation that multimode gap resonator offers the line of rabbet joint.In the present embodiment, the folding
Direction offers the 6th line of rabbet joint 26, the 6th line of rabbet joint 26 to the medium position of first line of rabbet joint 21 of lap seam gap resonator 1 downward vertically
One end be communicated to the medium position of first line of rabbet joint 21, the other end extends downwardly and is connected to a long side of medium substrate 10
Edge.With reference to shown in figure 3, the length of the 6th line of rabbet joint 26 is L0+d1, width W0+2×d0。
With reference to shown in figure 6, Fig. 6 is the structural representation of coplanar waveguide feeder line.In the present embodiment, the co-planar waveguide feedback
3 T-shaped structure of line, the coplanar waveguide feeder line 3 include the first feeder line 31 and the second feeder line 32, and one end of second feeder line 32 is hung down
The direct-connected medium position for being connected to the first feeder line 31.With reference to shown in figure 3, the length of the first feeder line 31 is horizontal for the end of T-shaped structure
Length L6Twice and the second feeder line 32 width W0Sum (i.e. 2 × L6+W0), the width of the first feeder line 31 is W6；First feeder line
Between 31 and the lower frame of first line of rabbet joint 21 at intervals of d1；The length of second feeder line 32 is L0, the width of the second feeder line 32 is W0。
Interval between two articles of frames of the second feeder line 32 and two articles of frames of the 6th line of rabbet joint 26 is d0(the second feeder line 32 both sides are engraved
Hollow joint gap is d0), the end lateral length of the coplanar waveguide feeder line 3 of the T-shaped structure is L6.It is of the present utility model making
During the antenna radiator 11 of double frequency slit antenna, the first feeder line 31 of coplanar waveguide feeder line 3 is placed directly in gap resonator 1
First line of rabbet joint 21 in and make between the first feeder line 31 and the lower frame of first line of rabbet joint 21 at intervals of d1Opening position, and by CPW
Second feeder line 32 of feeder line 3 is placed directly in the 6th line of rabbet joint 26 and makes the hollow out gaps of the both sides of the second feeder line 32 be d0Center
Position, so that the coplanar waveguide feeder line 3 of T-shaped structure is fed to multimode gap resonator 13.
With reference to shown in Fig. 1, Fig. 2 and Fig. 3, preferably each physical dimension is as shown in table 1 below for each antenna radiator 11：
The size of the double frequency slit antenna preferred embodiment described in the utility model of table 1
| Parameter | W0 | W1 | W2 | W6 | L0 | L1 | L2 | L3 | L4 |
| It is worth (mm) | 4.6 | 2.2 | 1.2 | 0.5 | 22 | 17.55 | 9.0 | 18.45 | 4.6 |
| Parameter | L5 | L6 | d0 | d1 | d2 | S0 | S1 | S2 | |
| It is worth (mm) | 8.55 | 7.8 | 0.4 | 1.2 | 1.0 | 4.6 | 3.6 | 2.2 |
In the present embodiment, the minimum range between the multimode gap resonator 13 of two antenna radiators 11 is D3, this
Embodiment preferred distance D3For 3.0mm.The third slot line 23 of multimode gap resonator 13 and the inside edge of antenna radiator 11
The distance between be L7, the present embodiment preferred distance L7For 10.0mm.The length and width of the medium substrate 10 can be according to day
The demand selection of linear dimension size.
With reference to shown in figure 7, Fig. 7 is to neutralize the emulation schematic diagram that line influences on antenna S parameter.In the present embodiment, it is described
Antenna S parameter includes antenna reflection coefficient (S11) and antenna transmission coefficient (S21, isolation can also be represented).With neutralization line
12 antenna and the antenna reflection coefficient (S without neutralization line 1211) and antenna transmission coefficient (S21) influence it is as shown in Figure 7.This
Embodiment from neutralize line 12 second and the 4th the length of end folding line be L9=12.2mm.As can be seen from Figure 7 this reality
There are two working frequency range (S with new double frequency gap mimo antenna11<- 10dB), the centre frequency of two frequency ranges is respectively
2.64GHz and 5.74GHz.Increase neutralizes line 12 can be in antenna in the first working frequency range (S11<- 10dB) produce a transmission
Zero point, so as to effectively improve isolation (S of the antenna in the first working frequency range21), and antenna the second working frequency range not by and
The influence of line 12.
As shown in figure 8, Fig. 8 is influence schematic diagram of the lumped capacity C capacitance to antenna S parameter.Designer is selected
Neutralize length (such as the L of line 129=11.2mm) when, it can be adjusted by adjusting lumped capacity C and choosing appropriate capacitance
The frequency of antenna transmission zero point is saved, transmission zero can cover the first working frequency range of antenna well, therefore in processing double frequency
In the case that gap mimo antenna process has certain accuracy error, double frequency gap mimo antenna can be effectively ensured in the first frequency
The isolation between two ports (port P1 and port P2) in section.Fig. 8 has separately verified neutralization line 12 and has been connected with three kinds not
With the lumped capacity C of capacitance, such as C=0pF, C=0.5pF and C=2.0pF, to antenna reflection coefficient (S11) and antenna biography
Defeated coefficient (S21) influence curve.The utility model by the way that a lumped capacity C is connected with the center position of line 12 in, if
Meter person adjusts the frequency of transmission zero caused by the mimo antenna of double frequency gap by selecting different lumped capacity C capacitance,
So as to realize the reconfigurability of antenna frequencies.
Double frequency gap described in the utility model mimo antenna connects two antennas in double frequency slit antenna using line 12 is neutralized
Radiant body 11, so as to form a transmission zero in the first working frequency, improve the double frequency gap encouraged by CPW feeder lines 3
Isolation between two ports of mimo antenna (port P1 and port P2).The center position for neutralizing line 12 connects a lump
Electric capacity C, the frequency of the transmission zero can be tuned by adjusting lumped capacity C capacitance, so as to realize antenna frequencies
Reconfigurability.The structure of double frequency gap described in the utility model mimo antenna is simple, and practicality is high, and isolation is high, realizes antenna
The controllability of frequency.
Preferred embodiment of the present utility model is these are only, not thereby limits the scope of the claims of the present utility model, it is every
Equivalent structure or the equivalent function conversion made using the utility model specification and accompanying drawing content, or be directly or indirectly used in
Other related technical areas, similarly it is included in scope of patent protection of the present utility model.
Claims (9)
1. a kind of double frequency gap mimo antenna, etch in the upper surface of medium substrate, it is characterised in that the double frequency gap MIMO
Antenna includes two antenna radiators, and the bottom of two antenna radiators is connected with each other and a folder is formed between inside edge
Angle, two antenna radiators are symmetrical on the central axis of the antenna, and the inside edge of two antenna radiators passes through one
Root neutralizes line connection, and the upper surface of the medium substrate of two antenna radiator coverings is laid with metal level as metallic RF,
Wherein：
The neutralization line is connected with a lumped capacity C, and lumped capacity C is connected on a metal derby, and the metal derby is in
The upper surface of rectangle and the medium substrate being embedded between two antenna radiators, it is described neutralization line be straight line, curve or
The metal wire of folding line；
Each antenna radiator is made up of the coplanar waveguide feeder line of a multimode gap resonator and a T-shaped structure, and this is more
Die slot gap resonator folds gap resonator by one and a co-planar waveguide step electric impedance resonator forms, the co-planar waveguide rank
Terraced electric impedance resonator is connected with metallic RF, and is fed by coplanar waveguide feeder line to multimode gap resonator.
2. double frequency gap as claimed in claim 1 mimo antenna, it is characterised in that one end of the lumped capacity C is connected to
The center position for neutralizing line, the other end of the lumped capacity C are connected on the metal derby.
3. double frequency gap as claimed in claim 1 mimo antenna, it is characterised in that the multimode in described two antenna radiators
Minimum range between the resonator of gap is D3=3.0mm.
4. double frequency gap as claimed in claim 1 mimo antenna, it is characterised in that the co-planar waveguide step electric impedance resonator
For by the metal level on the medium substrate that surrounds of folding gap resonator, and it is S by a width1Metal wire with
Connect metallic RF.
5. the double frequency gap mimo antenna as described in any one of Claims 1-4, it is characterised in that the folding gap resonance
Device is made up of first line of rabbet joint, two second line of rabbet joint, two third slot lines, two the 4th line of rabbet joint and two the 5th line of rabbet joint,
The both ends that one end of two second line of rabbet joint is each vertically connected on first line of rabbet joint form right angle U-shape structure, wherein one piece the
The both ends of respective vertical connection the 4th line of rabbet joint wherein in one end of third slot line and one end of wherein one the 5th line of rabbet joint are formed
One angle of collimation U-shape structure, wherein one end of another third slot line and one end of wherein another 5th line of rabbet joint are each vertical
The both ends for connecting another 4th line of rabbet joint wherein form an angle of collimation U-shape structure, and the other end of two third slot lines is vertical
It is connected to the other end of two second line of rabbet joint.
6. double frequency gap as claimed in claim 5 mimo antenna, it is characterised in that fold gap resonator two pieces the
Four line of rabbet joint are between two second line of rabbet joint and are parallel to each other, and two the 4th line of rabbet joint are close to each other and separated by metal wire, the
One line of rabbet joint, third slot line and the 5th line of rabbet joint are parallel to each other and separate that to form co-planar waveguide stepped impedance humorous by certain media substrate
Shake device.
7. double frequency gap as claimed in claim 5 mimo antenna, it is characterised in that first groove for folding gap resonator
Direction offers the 6th line of rabbet joint to the medium position of line downward vertically, and one end of the 6th line of rabbet joint is communicated to the middle position of first line of rabbet joint
Put, the other end of the 6th line of rabbet joint extends downwardly and is connected to one article of long edge of medium substrate.
8. double frequency gap as claimed in claim 7 mimo antenna, it is characterised in that the coplanar waveguide feeder line includes the first feedback
Line and the second feeder line, the medium position of one end vertical connection of second feeder line to the first feeder line form T-shaped structure, and described the
The interval that one feeder line is built in first line of rabbet joint of the gap resonator and makes the first feeder line between the first line of rabbet joint lower frame
For d1Opening position, second feeder line is built in the 6th line of rabbet joint and makes the hollow out gaps of the second feeder line both sides be d0Center
Opening position, the coplanar waveguide feeder line of T-shaped structure is set to be fed to multimode gap resonator.
9. double frequency gap as claimed in claim 5 mimo antenna, it is characterised in that the inner side between two the 4th line of rabbet joint
Spacing is S0, the outside spacing between two the 4th line of rabbet joint is equal to the width of metal wire.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720738633.1U CN206893801U (en) | 2017-06-23 | 2017-06-23 | Double frequency gap mimo antenna |
| PCT/CN2017/114056 WO2018233226A1 (en) | 2017-06-23 | 2017-11-30 | Dual-frequency slot mimo antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720738633.1U CN206893801U (en) | 2017-06-23 | 2017-06-23 | Double frequency gap mimo antenna |
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| Publication Number | Publication Date |
|---|---|
| CN206893801U true CN206893801U (en) | 2018-01-16 |
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ID=61316239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720738633.1U Expired - Fee Related CN206893801U (en) | 2017-06-23 | 2017-06-23 | Double frequency gap mimo antenna |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN206893801U (en) |
| WO (1) | WO2018233226A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107394399A (en) * | 2017-06-23 | 2017-11-24 | 深圳市景程信息科技有限公司 | The double frequency gap mimo antenna of frequency reconfigurable |
| WO2018233206A1 (en) * | 2017-06-23 | 2018-12-27 | 深圳市景程信息科技有限公司 | Dual-frequency slot mimo antenna based on neutral line |
| CN109103597A (en) * | 2018-08-03 | 2018-12-28 | 瑞声精密制造科技(常州)有限公司 | Multiaerial system and mobile terminal |
| CN109103583A (en) * | 2018-09-11 | 2018-12-28 | 合肥联宝信息技术有限公司 | Antenna and electronic equipment |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5306158B2 (en) * | 2009-12-07 | 2013-10-02 | アルプス電気株式会社 | Antenna device |
| CN103151607B (en) * | 2013-03-01 | 2016-04-20 | 清华大学 | For the broadband dual-antenna system based on decoupling line structure of mobile terminal |
| CN105742768A (en) * | 2014-11-28 | 2016-07-06 | 青岛海尔电子有限公司 | Band-pass filter, high-order band-pass filter and performance analysis method |
| CN106410406A (en) * | 2016-10-28 | 2017-02-15 | 福州大学 | Double-frequency low-profile tight-coupling and high-isolation MIMO antenna |
| CN107394399A (en) * | 2017-06-23 | 2017-11-24 | 深圳市景程信息科技有限公司 | The double frequency gap mimo antenna of frequency reconfigurable |
-
2017
- 2017-06-23 CN CN201720738633.1U patent/CN206893801U/en not_active Expired - Fee Related
- 2017-11-30 WO PCT/CN2017/114056 patent/WO2018233226A1/en active Application Filing
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107394399A (en) * | 2017-06-23 | 2017-11-24 | 深圳市景程信息科技有限公司 | The double frequency gap mimo antenna of frequency reconfigurable |
| WO2018233206A1 (en) * | 2017-06-23 | 2018-12-27 | 深圳市景程信息科技有限公司 | Dual-frequency slot mimo antenna based on neutral line |
| CN109103597A (en) * | 2018-08-03 | 2018-12-28 | 瑞声精密制造科技(常州)有限公司 | Multiaerial system and mobile terminal |
| CN109103583A (en) * | 2018-09-11 | 2018-12-28 | 合肥联宝信息技术有限公司 | Antenna and electronic equipment |
| CN109103583B (en) * | 2018-09-11 | 2024-05-28 | 合肥联宝信息技术有限公司 | Antenna and electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018233226A1 (en) | 2018-12-27 |
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