CN107394399A - The double frequency gap mimo antenna of frequency reconfigurable - Google Patents
The double frequency gap mimo antenna of frequency reconfigurable Download PDFInfo
- Publication number
- CN107394399A CN107394399A CN201710486671.7A CN201710486671A CN107394399A CN 107394399 A CN107394399 A CN 107394399A CN 201710486671 A CN201710486671 A CN 201710486671A CN 107394399 A CN107394399 A CN 107394399A
- Authority
- CN
- China
- Prior art keywords
- line
- rabbet joint
- antenna
- gap
- resonator
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
-
- 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
-
- 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
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/10—Resonant antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
- H01Q5/321—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors within a radiating element or between connected radiating elements
Landscapes
- Waveguide Aerials (AREA)
Abstract
The present invention discloses a kind of double frequency gap mimo antenna of frequency reconfigurable, 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 the double frequency gap mimo antenna of frequency reconfigurable of the present invention is simple, and isolation is high, realizes the controllability of antenna frequencies.
Description
Technical field
The present invention relates to frequency microwave communication technical field, more particularly to a kind of double frequency gap MIMO days of frequency reconfigurable
Line.
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.
The content of the invention
The main object of the present invention provides a kind of double frequency gap mimo antenna of frequency reconfigurable, it is intended to improves double frequency gap
The isolation of mimo antenna and the controllability for realizing antenna frequencies.
To achieve the above object, the invention provides a kind of double frequency gap mimo antenna of frequency reconfigurable, etch and be situated between
The upper surface of matter substrate, it is characterised in that the double frequency gap mimo antenna of the frequency reconfigurable includes two antenna radiators,
The bottom of two antenna radiators is connected with each other and in an angle, two antenna radiators are on the day for shape between inside edge
The central axis of line is symmetrical, and the inside edge of two antenna radiators neutralizes line by one and connected, two aerial radiations
The upper surface of the medium substrate of body covering is laid with metal level as metallic RF, wherein：The neutralization line is connected with one
Lumped capacity C, lumped capacity C are connected on a metal derby；Each antenna radiator is by a multimode gap resonator
With the coplanar waveguide feeder line composition of a T-shaped structure, the multimode gap resonator folds gap resonator by one and one common
Waveguide step electric impedance resonator in face is formed, and the co-planar waveguide step electric impedance resonator is connected with metallic RF, and by coplanar
Waveguide feeder is fed 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 neutralization line is copper lines, and the metal derby is metal copper sheet.
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, the double frequency gap mimo antenna of frequency reconfigurable of the present invention is double using line connection is neutralized
Two antenna radiators in frequency slot antenna, so as to form a transmission zero in the first working frequency, improve double frequency seam
Isolation between two ports of gap mimo antenna (port P1 and port P2).The center position for neutralizing line 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 the double frequency gap mimo antenna of frequency reconfigurable of the present invention is simple, and practicality is high, and isolation is high,
And the reconfigurability of antenna frequencies can be realized.
Brief description of the drawings
Fig. 1 is the structural representation of the double frequency gap mimo antenna of frequency reconfigurable of the present invention；
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 object of the invention is realized, functional characteristics and advantage will will join in the lump in specific embodiment part in conjunction with the embodiments
It is described further according to accompanying drawing.
Embodiment
Further to illustrate the present invention to reach the technological means and effect that above-mentioned purpose is taken, below in conjunction with accompanying drawing
And preferred embodiment, embodiment, structure, feature and its effect of the present invention are described in detail.It should be appreciated that this
The specific embodiment of place description is not intended to limit the present invention only to explain the present invention.
Shown in reference picture 1, Fig. 1 is the structural representation of the double frequency gap mimo antenna of frequency reconfigurable of the present invention.At this
In embodiment, (Multiple Input Multiple Output, multi input are more by the double frequency gap MIMO of the frequency reconfigurable
Output) antenna includes two antenna radiators 11, and the inside edge of two antenna radiators 11 is connected by a neutralization line 12,
Each antenna radiator 11 is made up of multimode gap resonator 13 and coplanar waveguide feeder line 3, the multimode gap resonator 13 by
One folds gap resonator (FSLR) 1 and a composition of co-planar waveguide step electric impedance resonator (CSIR) 2, the co-planar waveguide rank
Terraced electric impedance resonator 2 is S by a width1Metal wire 5 (shown in reference picture 3) (Ground) 4 is connected with metallic RF,
And fed by the coplanar waveguide feeder line 3 (abbreviation CPW feeder lines 3) of a T-shaped structure to multimode gap resonator 13, realize day
The dual frequency characteristics of line.
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., it is possible to achieve to caused by the mimo antenna of double frequency gap
The regulation of the frequency of transmission zero, 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, the neutralization line 12 described in the present embodiment is preferably " accurate several words
Type " folding line.
In the present embodiment, the decision design as antenna structure size, neutralization line 12 of the present invention is by five sections of bendings
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 line 12
Width be preferably 0.5mm, neutralize five sections of line 12 bending line lengths and be 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 basis
The angle theta that is formed between the inside edge of 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 present invention refers both to the hollow out opened up on medium substrate 10
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.Making the double frequency of the present invention
During the antenna radiator 11 of slot antenna, the first feeder line 31 of coplanar waveguide feeder line 3 is placed directly in the of gap resonator 1
In one line of rabbet joint 21 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 feeder lines 3
The second feeder line 32 be placed directly in the 6th line of rabbet joint 26 and make the hollow out gaps of the both sides of the second feeder line 32 be d0Middle 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 of the present invention 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 hair
Bright double frequency gap mimo antenna has two working frequency range (S11<- 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 present invention in the center position of line 12 by connecting a lumped capacity C, designer
By the capacitance for selecting different lumped capacity C, it is possible to achieve to the frequency of transmission zero caused by the mimo antenna of double frequency gap
Regulation, so as to realize the reconfigurability of antenna frequencies.
The double frequency gap mimo antenna of frequency reconfigurable of the present invention is connected in double frequency slit antenna using line 12 is neutralized
Two antenna radiators 11, so as to form a transmission zero in the first working frequency, improve what is encouraged by CPW feeder lines 3
Isolation between two ports of double frequency gap mimo antenna (port P1 and port P2).Neutralize the center position connection of line 12
One lumped capacity C, the frequency of the transmission zero can be tuned by adjusting lumped capacity C capacitance, so as to realize day
The controllability of line frequency.The structure of the double frequency gap mimo antenna of frequency reconfigurable of the present invention is simple, and practicality is high, every
It is high from degree, and the reconfigurability of antenna frequencies can be realized.
The preferred embodiments of the present invention are these are only, are not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or the equivalent function conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of double frequency gap mimo antenna of frequency reconfigurable, is etched in the upper surface of medium substrate, it is characterised in that described
The double frequency gap mimo antenna of frequency reconfigurable includes two antenna radiators, the bottom of two antenna radiators be connected with each other and
In an angle, two antenna radiators are symmetrical on the central axis of the antenna for shape between inside edge, two antennas
The inside edge of radiant body neutralizes line by one and connected, 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；
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. the double frequency gap mimo antenna of frequency reconfigurable as claimed in claim 1, it is characterised in that the lumped capacity C
One end be connected to the center position of the neutralization line, the other end of the lumped capacity C is connected on the metal derby.
3. the double frequency gap mimo antenna of frequency reconfigurable as claimed in claim 2, it is characterised in that the neutralization line is gold
Belong to copper cash, the metal derby is metal copper sheet.
4. the double frequency gap mimo antenna of frequency reconfigurable as claimed in claim 1, it is characterised in that described two antenna spokes
The minimum range between the resonator of multimode gap in beam is D3=3.0mm.
5. the double frequency gap mimo antenna of frequency reconfigurable as claimed in claim 1, it is characterised in that the co-planar waveguide rank
Terraced electric impedance resonator is the metal level on the medium substrate surrounded by the folding gap resonator, and is by a width
S1Metal wire be connected with metallic RF.
6. the double frequency gap mimo antenna of the frequency reconfigurable as described in any one of claim 1 to 5, it is characterised in that described
Gap resonator is folded by first line of rabbet joint, two second line of rabbet joint, two third slot lines, two the 4th line of rabbet joint and two pieces the
Five line of rabbet joint form, and one end of two second line of rabbet joint is each vertically connected on the both ends formation right angle U-shape structure of first line of rabbet joint,
Respective vertical connection the 4th line of rabbet joint wherein in one end of wherein one third slot line and one end of wherein one the 5th line of rabbet joint
Both ends form an angle of collimation U-shape structure, wherein the one of one end of another third slot line and wherein another 5th line of rabbet joint
The both ends of respective vertical connection another 4th line of rabbet joint wherein are held to form an angle of collimation U-shape structure, two third slot lines
The other end is vertically connected on the other end of two second line of rabbet joint.
7. the double frequency gap mimo antenna of frequency reconfigurable as claimed in claim 6, it is characterised in that the folding gap is humorous
Two the 4th line of rabbet joint of device of shaking 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 pass through gold
Category line separates, and first line of rabbet joint, third slot line and the 5th line of rabbet joint are parallel to each other and separate to form coplanar ripple by certain media substrate
Lead step electric impedance resonator.
8. the double frequency gap mimo antenna of frequency reconfigurable as claimed in claim 6, it is characterised in that the folding gap is humorous
Shaking, direction offers the 6th line of rabbet joint downward vertically for the medium position of first line of rabbet joint of device, and one end of the 6th line of rabbet joint is communicated to first
The medium position of the line of rabbet joint, the other end of the 6th line of rabbet joint extend downwardly and are connected to one article of long edge of medium substrate.
9. the double frequency gap mimo antenna of frequency reconfigurable as claimed in claim 8, it is characterised in that the co-planar waveguide feedback
Line includes the first feeder line and the second feeder line, and one end vertical connection to the medium position of the first feeder line of second feeder line forms T
Shape structure, first feeder line are built in first line of rabbet joint of the gap resonator and make the first feeder line and first line of rabbet joint is following
Between frame at intervals of d1Opening position, second feeder line is built in the 6th line of rabbet joint and makes the hollow out gap of the second feeder line both sides
It is d0Central position, make T-shaped structure coplanar waveguide feeder line give multimode gap resonator feed.
10. the double frequency gap mimo antenna of frequency reconfigurable as claimed in claim 6, it is characterised in that described two the 4th
Inner side spacing between the line of rabbet joint 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 |
|---|---|---|---|
| CN201710486671.7A CN107394399A (en) | 2017-06-23 | 2017-06-23 | The double frequency gap mimo antenna of frequency reconfigurable |
| PCT/CN2017/114054 WO2018233224A1 (en) | 2017-06-23 | 2017-11-30 | Dual-frequency slot mimo antenna with reconstructable frequency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710486671.7A CN107394399A (en) | 2017-06-23 | 2017-06-23 | The double frequency gap mimo antenna of frequency reconfigurable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107394399A true CN107394399A (en) | 2017-11-24 |
Family
ID=60332585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710486671.7A Withdrawn CN107394399A (en) | 2017-06-23 | 2017-06-23 | The double frequency gap mimo antenna of frequency reconfigurable |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107394399A (en) |
| WO (1) | WO2018233224A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| WO2018233226A1 (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 |
| WO2018233224A1 (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 with reconstructable frequency |
| CN110323552A (en) * | 2018-03-29 | 2019-10-11 | 瑞士电信公司 | Antenna and multiple-input and multiple-output transceiver devices and method |
| CN112072303A (en) * | 2019-06-11 | 2020-12-11 | 苏州速感智能科技有限公司 | Decoupling network, method and device for installing decoupling network |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103346400A (en) * | 2013-06-28 | 2013-10-09 | 宇龙计算机通信科技(深圳)有限公司 | Terminal and method for optimizing antenna isolation degree |
| CN106410406A (en) * | 2016-10-28 | 2017-02-15 | 福州大学 | Double-frequency low-profile tight-coupling and high-isolation MIMO antenna |
| US20170084990A1 (en) * | 2014-05-19 | 2017-03-23 | Centre National De La Recherch Scientifique | Antenna system for reducing the electromagnetic coupling between antennas |
| CN206893801U (en) * | 2017-06-23 | 2018-01-16 | 深圳市景程信息科技有限公司 | Double frequency gap mimo antenna |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN205231246U (en) * | 2015-12-30 | 2016-05-11 | 武汉大学 | Two frequency sweep leaky -wave antenna based on switch switches CRLH structure |
| 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 CN201710486671.7A patent/CN107394399A/en not_active Withdrawn
- 2017-11-30 WO PCT/CN2017/114054 patent/WO2018233224A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103346400A (en) * | 2013-06-28 | 2013-10-09 | 宇龙计算机通信科技(深圳)有限公司 | Terminal and method for optimizing antenna isolation degree |
| US20170084990A1 (en) * | 2014-05-19 | 2017-03-23 | Centre National De La Recherch Scientifique | Antenna system for reducing the electromagnetic coupling between antennas |
| CN106410406A (en) * | 2016-10-28 | 2017-02-15 | 福州大学 | Double-frequency low-profile tight-coupling and high-isolation MIMO antenna |
| CN206893801U (en) * | 2017-06-23 | 2018-01-16 | 深圳市景程信息科技有限公司 | Double frequency gap mimo antenna |
Non-Patent Citations (2)
| Title |
|---|
| B. PENG等: "CPW-fed dual-band MIMO antenna based on harmonic resonance with high isolation", 《2016 IEEE INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION(APSURSI)》 * |
| QI LUO等: "Inverted-L Antennas Array in a Wireless USB Dongle for MIMO Application", 《2012 6TH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION（EUCAP）》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| WO2018233226A1 (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 |
| WO2018233224A1 (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 with reconstructable frequency |
| CN110323552A (en) * | 2018-03-29 | 2019-10-11 | 瑞士电信公司 | Antenna and multiple-input and multiple-output transceiver devices and method |
| CN110323552B (en) * | 2018-03-29 | 2023-10-20 | 瑞士电信公司 | Antenna and mimo transceiver apparatus and method |
| CN112072303A (en) * | 2019-06-11 | 2020-12-11 | 苏州速感智能科技有限公司 | Decoupling network, method and device for installing decoupling network |
| CN112072303B (en) * | 2019-06-11 | 2021-07-06 | 苏州速感智能科技有限公司 | Decoupling network, method and device for installing decoupling network |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018233224A1 (en) | 2018-12-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107394399A (en) | The double frequency gap mimo antenna of frequency reconfigurable | |
| CN206893801U (en) | Double frequency gap mimo antenna | |
| US8259027B2 (en) | Differential feed notch radiator with integrated balun | |
| CN107369913A (en) | Based on the double frequency gap mimo antenna for neutralizing line | |
| CN104393416B (en) | Planar antenna for dual-frequency millimeter wave system | |
| CN100418270C (en) | Wide-band shaped-beam antenna for mobile communication | |
| CN106252891A (en) | Complimentary antennas and antenna system | |
| US9373886B2 (en) | Aperture coupled radiator and antenna including the same | |
| CN106505316A (en) | A kind of multilayer planar aerial array | |
| CN106207453A (en) | A kind of defect ground decoupling arrangements for micro-strip array antenna | |
| US20150091763A1 (en) | Antenna assembly for electronic device | |
| CN106329081B (en) | Balance with mixed type fluting is rejected to opening up Vivaldi antenna using asymmetric dielectric | |
| CN206893806U (en) | High-isolation double frequency gap mimo antenna | |
| Prabhakar et al. | Design and performance analysis of microstrip antenna using different ground plane techniques for WLAN application | |
| KR101858772B1 (en) | Reducing coupling coefficient variation using intended width mismatch | |
| CN107112630A (en) | Mimo antenna with isolation adjustment portion | |
| CN206432384U (en) | Multi-input multi-output antenna system and mobile terminal | |
| CN206301945U (en) | A kind of multilayer planar aerial array | |
| CN103531891B (en) | Boroadband high gain probe and patch tangent laminated microstrip antenna | |
| US8232921B2 (en) | Half-mode substrate integrated antenna structure | |
| CN107240776A (en) | Double frequency slit antenna and its tuning methods | |
| CN207124283U (en) | Double frequency slit antenna with reconfigurable design structure | |
| CN209200138U (en) | A kind of microstrip antenna | |
| CN106340718A (en) | Printing type multi-frequency antenna | |
| TWM578884U (en) | Array antenna |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171124 |