CN206134921U - Novel multifrequency MIMO cell -phone antenna - Google Patents
Novel multifrequency MIMO cell -phone antenna Download PDFInfo
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- CN206134921U CN206134921U CN201621116212.7U CN201621116212U CN206134921U CN 206134921 U CN206134921 U CN 206134921U CN 201621116212 U CN201621116212 U CN 201621116212U CN 206134921 U CN206134921 U CN 206134921U
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Abstract
The utility model discloses a novel multifrequency MIMO cell -phone antenna, including a novel multifrequency MIMO cell -phone antenna rectangular antenna floor, two long edges on antenna floor respectively are provided with two second class squares, be provided with first kind square on the minor face on antenna floor, be provided with third class square on another minor face on antenna floor, first kind square coats and is stamped an antenna element, each covers on four second class squares has a second class antenna element, second class antenna element includes the 2nd antenna element, the 3rd antenna element, fourth antenna element and the 5th antenna element, third class square coats and is stamped the 6th antenna element. The utility model discloses a relative position that changes length, distributing point and the short dot of each minor matters of antenna element adjusts frequency channel, bandwidth, gain and the radiation pattern of antenna, distance through changing each antenna element and the isolation between the antenna element is adjusted to the position so that antenna system reaches required performance.
Description
Technical field
The invention belongs to wireless communication technology field, more particularly to a kind of new multifrequency MIMO antenna for mobile phone.
Background technology
Wireless communication technology quickly grows, for wireless communication rate and QoS requirement grow with each passing day.Mobile terminal
Compact, design structure is simple, the multiband that size is little, and broadband internal antenna becomes focus and difficult point, in mobile terminal
Arrange multiple antennas and ensure that the superperformance of each antenna element is more difficult.MIMO technology can make full use of space to provide
Source, by multiple antennas MIMO is realized, in the case where frequency spectrum resource and antenna transmission power is not increased, can be at double
Improve system channel capacity.Simultaneously small design multiband MIMO antenna for mobile phone should with very positive meaning and engineering for research
With value.Antenna element 1 (30mm × 8mm × 3mm) in the present invention adopts stereochemical structure, with document [1] in adopt planar junction
Antenna (45mm × 15mm) contrast of structure, structure is compacter.Antenna element 6 (10mm × 10mm × 3mm) in the present invention with
Antenna (10mm × 10mm × 5mm) in document [2] is contrasted, and performance and size are all more superior.The present invention adopts multiple antennas
Cover GSM850, GSM900, DCS1800, PCS1900, UMTS, LTE2300, LTE2600, C-band (3.4GHz-3.6GHz)
Multiple frequency ranges, meet mobile terminal for antenna volume is little, the requirement of multiband, and increase data transfer using MIMO technology
Speed and communication quality.
The content of the invention
The present invention provides a kind of new multifrequency MIMO antenna for mobile phone, to solve prior art in mobile terminal for multiple days
The needs of problems of line miniaturization, wideband, summary and superperformance；Antenna element is folded over FR4 media by the present invention
Three dimensional structure is formed on square, the superperformance of antenna unit is fully ensured that so as to be applied to 2G, 3G, 4G or even 5G
In mobile radio telecommunications.
For achieving the above object, the technical solution used in the present invention is：
A kind of new multifrequency MIMO antenna for mobile phone, including rectangular antenna floor 1, two of the antenna floor 1 are long
Two Equations of The Second Kind squares 9 are each provided with side, on a minor face on the antenna floor first kind square 8, the day are provided with
The 3rd class square 10 is provided with another minor face on line floor, on the first kind square 8 first antenna unit 2 is coated with,
An Equations of The Second Kind antenna element is respectively coated with four Equations of The Second Kind squares 9, the Equations of The Second Kind antenna element includes the second antenna list
Unit 3, third antenna unit 4, the 4th antenna element 5 and the 5th antenna element 6, on the 3rd class square 10 the 6th day is coated with
Line unit 7, the first antenna unit 2, the second antenna element 3, the 4th antenna element 5, the 6th antenna element 7, the 5th antenna
Unit 6 and third antenna unit 4 are arranged clockwise successively around antenna floor 1.
The first kind square 8 is first side with relative and on first kind square 8 the face of the 3rd class square 10,
First kind square 8 is followed successively by clockwise second side, the 3rd side and the 4th side from first side, described first day
Line unit 2 includes being affixed on the first bonding jumper 11 of the linear arrangement of the top surface of first kind square 8 and the 7th bonding jumper 19 of c-type, institute
The opening of the 7th bonding jumper 19 of c-type is stated to second side, and space is left between the first bonding jumper 11 and the 7th bonding jumper 19,
The total length of first bonding jumper 11, space and the 7th bonding jumper 19 is identical with the length of the top surface of first kind square 8, the first gold medal
The side of the bonding jumper 19 of category article 11 and the 7th flushes with the top margin of the 3rd side, and the first bonding jumper 11 is away from the 7th bonding jumper 19
One end vertically connection positioned at the 3rd bonding jumper 13 of the 4th side, the 3rd bonding jumper 13 is shorter in length than first kind square 8
Height, the side of first bonding jumper 11 vertically connection positioned at one end of the second bonding jumper 12 of the 3rd side, the second gold medal
The other end of category article 12 vertically connects the one end for the 4th bonding jumper 14 for extending the bottom surface of first kind square 8, the 4th metal
The other end of bar 14 is provided with the first distributing point 15, has two contacts at the opening of the 7th bonding jumper 19 of the c-type, one of them
Contact vertically connects one end of the 6th bonding jumper 18 positioned at the 3rd side, and the other end of the 6th bonding jumper 18 vertically connects
One end of fifth metal bar 17, the other end of the fifth metal bar 17 is provided with the first short dot 16, and another contact is vertical
Connect one end of the 8th bonding jumper 20, the other end of the 8th bonding jumper 20 respectively with its tenth bonding jumper connected horizontally
One end of 22 one end and the bonding jumper 21 of perpendicular connection the 9th connects, the other end vertically connection the tenth of the 9th bonding jumper 21
One end of one bonding jumper 23, the other end of the 11st bonding jumper 23 connects the 12nd bonding jumper 24, the 8th bonding jumper 20, the
Nine bonding jumpers 21, the tenth bonding jumper 22, the 11st bonding jumper 23 and the 12nd bonding jumper 24 are respectively positioned on the top surface of first kind square 8,
And the side of the 12nd bonding jumper 24 flushes with the top margin of first side, the other end of the tenth bonding jumper 22 vertically connects
Connect one end of the 13rd bonding jumper 25 positioned at first side, the other end vertically connection the 14th of the 13rd bonding jumper 25
One end of bonding jumper 26, the other end of the 14th bonding jumper 26 vertically connects one end of the 15th bonding jumper 27, the 15th metal
Vertical the 16th bonding jumper 28 of connection of articles 27 other end, the 13rd bonding jumper 25, the 14th bonding jumper 26, the tenth five metals
Category article the 27 and the 16th bonding jumper 28 is arranged around four sides of first side, and the 12nd bonding jumper 24 is shorter in length than
The length of the 16th bonding jumper 28, the length for being shorter in length than the 9th bonding jumper 21 of the 16th bonding jumper 28, the 9th metal
The length of article the 21 and the 14th bonding jumper 26 is identical with the length of the top surface of first kind square 8.
The relative face of two Equations of The Second Kind squares 9 on the long side of homonymy is the 5th side, and opposite face is heptalateral face,
The relative face of Equations of The Second Kind square 9 on two articles of relative long sides is the 6th side, and opposite face is the 8th side, described the
Two class antenna elements include being located at the 27th bonding jumper 41 longitudinally disposed on heptalateral face, the 28th bonding jumper 42 and horizontal stroke
To the 30th bonding jumper 44, the 31st bonding jumper 47 that arrange, the 27th bonding jumper 41, the 28th bonding jumper
42nd, one end of the 30th bonding jumper 44 and the 31st bonding jumper 47 intersects at a point, and the 30th bonding jumper 44 and the 30th
The horizontal straight line that longitudinal straight line that one bonding jumper 47 is formed is formed with the 27th bonding jumper 41 and the 28th bonding jumper 42 is mutual
It is perpendicular；The other end of the 30th bonding jumper 44 is provided with the second short dot 45 perpendicular to the 30th bonding jumper 44, described
Second short dot 45 is located at the 8th side, and vertically connection extends Equations of The Second Kind square to the other end of the 28th bonding jumper 42
One end of 29th bonding jumper 43 of 9 bottom surfaces, the other end of the 29th bonding jumper 43 is provided with the second distributing point 46,
The other end of the 31st bonding jumper 47 hangs down and is connected with one end of the 32nd bonding jumper 48 positioned at the 6th side, and the described 3rd
The other end of 12 bonding jumpers 48 vertically connects the 33rd bonding jumper 49 positioned at the 5th side, the 27th bonding jumper
41 other end connection is positioned at one end of the 34th bonding jumper 50 of the top surface of Equations of The Second Kind square 9, the 34th bonding jumper
50 other end vertically connects one end of the 35th bonding jumper 51, and the other end of the 35th bonding jumper 51 vertically connects
One end of 36th bonding jumper 52, the other end of the 36th bonding jumper 52 vertically connects the one of the 37th bonding jumper 53
End, the other end the 38th bonding jumper 54 of vertical connection of the 37th bonding jumper 53, the 34th bonding jumper 50,
35th bonding jumper 51, the 36th bonding jumper 52, the 37th bonding jumper 53 and the 38th bonding jumper 54 are respectively positioned on
The top surface of two class squares 9, the side of the 34th bonding jumper 50 is high together with the top margin in heptalateral face, the 30th five metals
The side of category article 51 is high together with the top margin of the 8th side, and the side of the 37th bonding jumper 53 is neat with the top margin of the 6th side
Height, the side of the 38th bonding jumper 54 is high together with the top margin of the 5th side, the length of the 31st bonding jumper 47
It is longer than the 30th bonding jumper 44, the length of the 28th bonding jumper 42 is longer than the 27th bonding jumper 41, the described 30th
The length of eight bonding jumpers 54 is longer than the 34th bonding jumper 50, and the length of the 34th bonding jumper 50 is longer than the 33rd bonding jumper
49, the length of the 32nd bonding jumper 48 is identical with the length of Equations of The Second Kind square 9, the length of the 36th bonding jumper 52
Degree is identical with the width of Equations of The Second Kind square 9；The width of the 32nd bonding jumper 48 is more than the 31st bonding jumper 47, described
The width of the 31st bonding jumper 47 is more than the 30th bonding jumper 44.
The 3rd class square 10 is relative with first kind square 8 and face on the 3rd class square 10 is the 9th side
Face, the 3rd class square 10 is followed successively by the tenth side, the tenth one side and the tenth two side faces clockwise from the 9th side, institute
Stating the 6th antenna element 2 includes being located at the 19th bonding jumper 31, the 21st bonding jumper 33 longitudinally disposed on the tenth two side faces
With the 18th bonding jumper 30, the 20th bonding jumper 32 of horizontally set, the 18th bonding jumper 30, the 19th bonding jumper 31,
20th bonding jumper 32, one end of the 21st bonding jumper 33 intersect at a point, and the 19th bonding jumper 31 and the 21st gold medal
The horizontal straight line that longitudinal straight line that category article 33 is formed is formed with the 18th bonding jumper 30 and the 20th bonding jumper 32 is orthogonal, institute
The width for stating the 18th bonding jumper 30 is more than the 20th bonding jumper 32；The other end of the 20th bonding jumper 32 is perpendicular to second
Ten bonding jumpers 32 are provided with the 3rd short dot 36, and the 3rd short dot 36 is located at the 9th side, the 21st bonding jumper
The vertical one end for connecting the 22nd bonding jumper 34 for extending the bottom surface of the 3rd class square 10 of 33 other end, the described 22nd
The other end of bonding jumper 34 is provided with the 3rd distributing point 35, and vertically connection is located at the tenth to the other end of the 18th bonding jumper 30
One end of 25th bonding jumper 39 of one side, vertically connection is located at the tenth side to the other end of the 25th bonding jumper 39
26th bonding jumper 40 in face, the other end connection of the 19th bonding jumper 31 is positioned at the tenth of the top surface of the 3rd class square 10
One end of seven bonding jumpers 29, one end of the other end the 23rd bonding jumper 37 of vertical connection of the 17th bonding jumper 29, the 20th
The other end of three bonding jumpers 37 vertically connects the 24th bonding jumper 38, the 23rd bonding jumper 37 and the 24th metal
Articles 38 also are located at the top surface of the 3rd class square 10, and the side of the 17th bonding jumper 29 flushes with the top margin of the tenth two side faces, institute
The side for stating the 23rd bonding jumper 37 flushes with the top margin of the tenth one side, the side of the 24th bonding jumper 38 and the
The top margin of ten sides is flushed, the 18th bonding jumper 30, the 25th bonding jumper 39 and the distance of the 26th bonding jumper 40
The bottom surface of three class square 10 it is highly consistent, the length of the 24th bonding jumper 38 is longer than the 26th bonding jumper 40, second
The length of 16 bonding jumpers 40 is longer than the 17th bonding jumper 29, and the length of the 18th bonding jumper 30 is longer than the 20th bonding jumper
32, the length of the 21st bonding jumper 33 is longer than the 19th bonding jumper 31, the 20th bonding jumper 32 and the 18th gold medal
The width that the total length of category articles 30 is equal to the 3rd class square 10 is identical, the 23rd bonding jumper 37 and the 25th bonding jumper
39 length is identical with the length of the 3rd class square 10.
The antenna floor 1, first antenna unit 2, the second antenna element 3, third antenna unit 4, the 4th antenna element
5th, the material of the 5th antenna element 6 and the 6th antenna element 7 is copper；First kind square 8, the class side of Equations of The Second Kind square 9 and the 3rd
Block 10 is FR4 medium squares.
A height of 30mm × the 8mm of the length and width × 3mm of the first kind square 8, a height of 6mm of length and width of the Equations of The Second Kind square 9
× 6mm × 2mm, a height of 10mm × 10mm of the length and width × 3mm of the 3rd class square 10.
Frequency range (the VSWR of the first antenna unit 2<3)：0.82GHz-0.96GHz, 1.70GHz-2.82GHz, it is described
Frequency range (the VSWR of Equations of The Second Kind antenna element<2)：3.35GHz-3.72GHz；Frequency range (the VSWR of the 6th antenna element 7<2)：
1.83GHz-2.07Ghz, 2.26GHz-2.70GHz.
The length on the antenna floor 1 and 1 liang of wide respectively 130mm × 65mm, the first antenna unit 2 and antenna floor
The distance on individual long side is respectively 19mm and 37mm, and the 6th antenna element 7 is respectively with the distance on the 1 two long sides in antenna floor
21mm and 35mm, the distance of the minor face that the 4th antenna element 5 and the 6th antenna element 7 are located is 32mm, described 5th day
The distance of the minor face that line unit 6 and the 6th antenna element 7 are located is 30mm, the antenna element 6 of the third antenna unit 4 and the 5th
The distance between be 48mm.
Compared with prior art, the present invention has advantages below：
First：Each antenna element size of the antenna system is quite compact, although with stereochemical structure, still highest is high
Degree only has 4mm, it is adaptable to pursue the mobile terminals such as the mobile phone of frivolous compact trend at present.
Second：The antenna system covers frequency range and enriches, and can simultaneously meet almost popular on the market 2G/3G/4G communications
Standard bands, and meet the C-band 3.4GHz-3.6GHz of the candidate's frequency range that communicates as following 5G, for research 5G antennas have
Significance.
3rd：The antenna system is made up of multiple antenna elements, and has good isolation between antenna element, is filled
Divide the MIMO performances that ensure that antenna element premium properties and totality., in the multiple antennas of mobile phone arrangement, realize more preferable for further
MIMO performances provide probability.
Description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the three-dimensional structure diagram of first antenna unit；
Fig. 3 is the plane outspread drawing of first antenna unit；
Fig. 4 is the three-dimensional structure diagram of Equations of The Second Kind antenna element；
Fig. 5 is the plane outspread drawing of Equations of The Second Kind antenna element；
Fig. 6 is the three-dimensional structure diagram of the 6th antenna element；
Fig. 7 is the plane outspread drawing of the 6th antenna element；
Fig. 8 is the structural representation on antenna floor；
Fig. 9 is the return loss plot of first antenna unit；
Figure 10 is the return loss plot of Equations of The Second Kind antenna element；
Figure 11 is the return loss plot of the 6th antenna element；
Figure 12 is the second antenna element and third antenna unit, the 4th antenna element, the S parameter figure of the 5th antenna element；
Figure 13 is the S parameter figure of first antenna unit and the 6th antenna element；
Figure 14 is the directional diagram in first antenna unit xz faces and yz faces in frequency 0.9GHz；
Figure 15 is the directional diagram in first antenna unit xz faces and yz faces in frequency 1.9GHz；
Figure 16 is the directional diagram in first antenna unit xz faces and yz faces in frequency 2.6GHz；
Figure 17 is the directional diagram in the second antenna element xz faces and yz faces in frequency 3.5GHz；
Figure 18 is the directional diagram in third antenna unit xz faces and yz faces in frequency 3.5GHz；
Figure 19 is the directional diagram in the 4th antenna element xz faces and yz faces in frequency 3.5GHz；
Figure 20 is the directional diagram in the 5th antenna element xz faces and yz faces in frequency 3.5GHz；
Figure 21 is the directional diagram in the 6th antenna element xz faces and yz faces in frequency 1.9GHz；
Figure 22 is the directional diagram in the 6th antenna element xz faces and yz faces in frequency 2.6GHz；
Figure 23 is the gain of first antenna unit and efficiency chart；
Figure 24 is the second antenna element, third antenna unit, the 4th antenna element, the gain of the 5th antenna element and efficiency
Figure；
Figure 25 is the gain of the 6th antenna element and efficiency chart；
Wherein：1- antennas floor, 2- first antenna units, the antenna elements of 3- second, 4- third antenna units, 5- the 4th day
Line unit, the antenna elements of 6- the 5th, the antenna elements of 7- the 6th, 8- first kind squares, 9- Equations of The Second Kind squares, the class squares of 10- the 3rd,
The bonding jumpers of 11- first, the bonding jumpers of 12- second, the bonding jumpers of 13- the 3rd, the bonding jumpers of 14- the 4th, the distributing points of 15- first, 16- first
Short dot, 17- fifth metal bars, the bonding jumpers of 18- the 6th, the bonding jumpers of 19- the 7th, the bonding jumpers of 20- the 8th, the bonding jumpers of 21- the 9th,
The bonding jumpers of 22- the tenth, the bonding jumpers of 23- the 11st, the bonding jumpers of 24- the 12nd, the bonding jumpers of 25- the 13rd, the metals of 26- the 14th
Bar, the bonding jumpers of 27- the 15th, the bonding jumpers of 28- the 16th, the bonding jumpers of 29- the 17th, the bonding jumpers of 30- the 18th, 31- the 19th
Bonding jumper, the bonding jumpers of 32- the 20th, the bonding jumpers of 33- the 21st, the bonding jumpers of 34- the 22nd, the distributing points of 35- the 3rd, 36-
3rd short dot, the bonding jumpers of 37- the 23rd, the bonding jumpers of 38- the 24th, the bonding jumpers of 39- the 25th, 40- the 26th
Bonding jumper, the bonding jumpers of 41- the 27th, the bonding jumpers of 42- the 28th, the bonding jumpers of 43- the 29th, the bonding jumpers of 44- the 30th,
The short dots of 45- second, the distributing points of 46- second, the bonding jumpers of 47- the 31st, the bonding jumpers of 48- the 32nd, the gold medals of 49- the 33rd
Category bar, the bonding jumpers of 50- the 34th, the bonding jumpers of 51- the 35th, the bonding jumpers of 52- the 36th, the bonding jumpers of 53- the 37th,
The bonding jumpers of 54- the 38th.
Specific embodiment
The present invention is further described with reference to embodiment.
As shown in figures 1-8, the focus of the minor face that the long side being located with third antenna unit 4 and the 6th antenna element 7 are located
Set up coordinate system for origin, in coordinate system, the direction set out towards third antenna unit 4 with origin as x-axis, with origin set out to
The direction for the 6th antenna element 7 is y-axis, is set out perpendicular to the upwardly direction of antenna floor 1 as z-axis with origin, a kind of new
Multifrequency MIMO antenna for mobile phone, including rectangular antenna floor 1, on two long sides on the antenna floor 1 two are each provided with
Equations of The Second Kind square 9, is provided with first kind square 8 on a minor face on the antenna floor, another of the antenna floor is short
The 3rd class square 10 is provided with side, first antenna unit 2 is coated with the first kind square 8, on four Equations of The Second Kind squares 9
Respectively be coated with an Equations of The Second Kind antenna element, the Equations of The Second Kind antenna element include the second antenna element 3, third antenna unit 4,
4th antenna element 5 and the 5th antenna element 6, are coated with the 6th antenna element 7 on the 3rd class square 10, described first day
Line unit 2, the second antenna element 3, the 4th antenna element 5, the 6th antenna element 7, the 5th antenna element 6 and third antenna unit
4 arrange clockwise successively around antenna floor 1.
The first kind square 8 is first side with relative and on first kind square 8 the face of the 3rd class square 10,
First kind square 8 is followed successively by clockwise second side, the 3rd side and the 4th side from first side, described first day
Line unit 2 includes being affixed on the first bonding jumper 11 of the linear arrangement of the top surface of first kind square 8 and the 7th bonding jumper 19 of c-type, institute
The opening of the 7th bonding jumper 19 of c-type is stated to second side, and space is left between the first bonding jumper 11 and the 7th bonding jumper 19,
The total length of first bonding jumper 11, space and the 7th bonding jumper 19 is identical with the length of the top surface of first kind square 8, the first gold medal
The side of the bonding jumper 19 of category article 11 and the 7th flushes with the top margin of the 3rd side, and the first bonding jumper 11 is away from the 7th bonding jumper 19
One end vertically connection positioned at the 3rd bonding jumper 13 of the 4th side, the 3rd bonding jumper 13 is shorter in length than first kind square 8
Height, the side of first bonding jumper 11 vertically connection positioned at one end of the second bonding jumper 12 of the 3rd side, the second gold medal
The other end of category article 12 vertically connects the one end for the 4th bonding jumper 14 for extending the bottom surface of first kind square 8, the 4th metal
The other end of bar 14 is provided with the first distributing point 15, has two contacts at the opening of the 7th bonding jumper 19 of the c-type, one of them
Contact vertically connects one end of the 6th bonding jumper 18 positioned at the 3rd side, and the other end of the 6th bonding jumper 18 vertically connects
One end of fifth metal bar 17, the other end of the fifth metal bar 17 is provided with the first short dot 16, and another contact is vertical
Connect one end of the 8th bonding jumper 20, the other end of the 8th bonding jumper 20 respectively with its tenth bonding jumper connected horizontally
One end of 22 one end and the bonding jumper 21 of perpendicular connection the 9th connects, the other end vertically connection the tenth of the 9th bonding jumper 21
One end of one bonding jumper 23, the other end of the 11st bonding jumper 23 connects the 12nd bonding jumper 24, the 8th bonding jumper 20, the
Nine bonding jumpers 21, the tenth bonding jumper 22, the 11st bonding jumper 23 and the 12nd bonding jumper 24 are respectively positioned on the top surface of first kind square 8,
And the side of the 12nd bonding jumper 24 flushes with the top margin of first side, the other end of the tenth bonding jumper 22 vertically connects
Connect one end of the 13rd bonding jumper 25 positioned at first side, the other end vertically connection the 14th of the 13rd bonding jumper 25
One end of bonding jumper 26, the other end of the 14th bonding jumper 26 vertically connects one end of the 15th bonding jumper 27, the 15th metal
Vertical the 16th bonding jumper 28 of connection of articles 27 other end, the 13rd bonding jumper 25, the 14th bonding jumper 26, the tenth five metals
Category article the 27 and the 16th bonding jumper 28 is arranged around four sides of first side, and the 12nd bonding jumper 24 is shorter in length than
The length of the 16th bonding jumper 28, the length for being shorter in length than the 9th bonding jumper 21 of the 16th bonding jumper 28, the 9th metal
The length of article the 21 and the 14th bonding jumper 26 is identical with the length of the top surface of first kind square 8.
The relative face of two Equations of The Second Kind squares 9 on the long side of homonymy is the 5th side, and opposite face is heptalateral face,
The relative face of Equations of The Second Kind square 9 on two articles of relative long sides is the 6th side, and opposite face is the 8th side, described the
Two class antenna elements include being located at the 27th bonding jumper 41 longitudinally disposed on heptalateral face, the 28th bonding jumper 42 and horizontal stroke
To the 30th bonding jumper 44, the 31st bonding jumper 47 that arrange, the 27th bonding jumper 41, the 28th bonding jumper
42nd, one end of the 30th bonding jumper 44 and the 31st bonding jumper 47 intersects at a point, and the 30th bonding jumper 44 and the 30th
The horizontal straight line that longitudinal straight line that one bonding jumper 47 is formed is formed with the 27th bonding jumper 41 and the 28th bonding jumper 42 is mutual
It is perpendicular；The other end of the 30th bonding jumper 44 is provided with the second short dot 45 perpendicular to the 30th bonding jumper 44, described
Second short dot 45 is located at the 8th side, and vertically connection extends Equations of The Second Kind square to the other end of the 28th bonding jumper 42
One end of 29th bonding jumper 43 of 9 bottom surfaces, the other end of the 29th bonding jumper 43 is provided with the second distributing point 46,
The other end of the 31st bonding jumper 47 hangs down and is connected with one end of the 32nd bonding jumper 48 positioned at the 6th side, and the described 3rd
The other end of 12 bonding jumpers 48 vertically connects the 33rd bonding jumper 49 positioned at the 5th side, the 27th bonding jumper
41 other end connection is positioned at one end of the 34th bonding jumper 50 of the top surface of Equations of The Second Kind square 9, the 34th bonding jumper
50 other end vertically connects one end of the 35th bonding jumper 51, and the other end of the 35th bonding jumper 51 vertically connects
One end of 36th bonding jumper 52, the other end of the 36th bonding jumper 52 vertically connects the one of the 37th bonding jumper 53
End, the other end the 38th bonding jumper 54 of vertical connection of the 37th bonding jumper 53, the 34th bonding jumper 50,
35th bonding jumper 51, the 36th bonding jumper 52, the 37th bonding jumper 53 and the 38th bonding jumper 54 are respectively positioned on
The top surface of two class squares 9, the side of the 34th bonding jumper 50 is high together with the top margin in heptalateral face, the 30th five metals
The side of category article 51 is high together with the top margin of the 8th side, and the side of the 37th bonding jumper 53 is neat with the top margin of the 6th side
Height, the side of the 38th bonding jumper 54 is high together with the top margin of the 5th side, the length of the 31st bonding jumper 47
It is longer than the 30th bonding jumper 44, the length of the 28th bonding jumper 42 is longer than the 27th bonding jumper 41, the described 30th
The length of eight bonding jumpers 54 is longer than the 34th bonding jumper 50, and the length of the 34th bonding jumper 50 is longer than the 33rd bonding jumper
49, the length of the 32nd bonding jumper 48 is identical with the length of Equations of The Second Kind square 9, the length of the 36th bonding jumper 52
Degree is identical with the width of Equations of The Second Kind square 9；The width of the 32nd bonding jumper 48 is more than the 31st bonding jumper 47, described
The width of the 31st bonding jumper 47 is more than the 30th bonding jumper 44.
The 3rd class square 10 is relative with first kind square 8 and face on the 3rd class square 10 is the 9th side
Face, the 3rd class square 10 is followed successively by the tenth side, the tenth one side and the tenth two side faces clockwise from the 9th side, institute
Stating the 6th antenna element 2 includes being located at the 19th bonding jumper 31, the 21st bonding jumper 33 longitudinally disposed on the tenth two side faces
With the 18th bonding jumper 30, the 20th bonding jumper 32 of horizontally set, the 18th bonding jumper 30, the 19th bonding jumper 31,
20th bonding jumper 32, one end of the 21st bonding jumper 33 intersect at a point, and the 19th bonding jumper 31 and the 21st gold medal
The horizontal straight line that longitudinal straight line that category article 33 is formed is formed with the 18th bonding jumper 30 and the 20th bonding jumper 32 is orthogonal, institute
The width for stating the 18th bonding jumper 30 is more than the 20th bonding jumper 32；The other end of the 20th bonding jumper 32 is perpendicular to second
Ten bonding jumpers 32 are provided with the 3rd short dot 36, and the 3rd short dot 36 is located at the 9th side, the 21st bonding jumper
The vertical one end for connecting the 22nd bonding jumper 34 for extending the bottom surface of the 3rd class square 10 of 33 other end, the described 22nd
The other end of bonding jumper 34 is provided with the 3rd distributing point 35, and vertically connection is located at the tenth to the other end of the 18th bonding jumper 30
One end of 25th bonding jumper 39 of one side, vertically connection is located at the tenth side to the other end of the 25th bonding jumper 39
26th bonding jumper 40 in face, the other end connection of the 19th bonding jumper 31 is positioned at the tenth of the top surface of the 3rd class square 10
One end of seven bonding jumpers 29, one end of the other end the 23rd bonding jumper 37 of vertical connection of the 17th bonding jumper 29, the 20th
The other end of three bonding jumpers 37 vertically connects the 24th bonding jumper 38, the 23rd bonding jumper 37 and the 24th metal
Articles 38 also are located at the top surface of the 3rd class square 10, and the side of the 17th bonding jumper 29 flushes with the top margin of the tenth two side faces, institute
The side for stating the 23rd bonding jumper 37 flushes with the top margin of the tenth one side, the side of the 24th bonding jumper 38 and the
The top margin of ten sides is flushed, the 18th bonding jumper 30, the 25th bonding jumper 39 and the distance of the 26th bonding jumper 40
The bottom surface of three class square 10 it is highly consistent, the length of the 24th bonding jumper 38 is longer than the 26th bonding jumper 40, second
The length of 16 bonding jumpers 40 is longer than the 17th bonding jumper 29, and the length of the 18th bonding jumper 30 is longer than the 20th bonding jumper
32, the length of the 21st bonding jumper 33 is longer than the 19th bonding jumper 31, the 20th bonding jumper 32 and the 18th gold medal
The width that the total length of category articles 30 is equal to the 3rd class square 10 is identical, the 23rd bonding jumper 37 and the 25th bonding jumper
39 length is identical with the length of the 3rd class square 10.
The antenna floor 1, first antenna unit 2, the second antenna element 3, third antenna unit 4, the 4th antenna element
5th, the material of the 5th antenna element 6 and the 6th antenna element 7 is copper；First kind square 8, the class side of Equations of The Second Kind square 9 and the 3rd
Block 10 is FR4 medium squares.
A height of 30mm × the 8mm of the length and width × 3mm of the first kind square 8, a height of 6mm of length and width of the Equations of The Second Kind square 9
× 6mm × 2mm, a height of 10mm × 10mm of the length and width × 3mm of the 3rd class square 10.
The frequency range (VSWR) of the first antenna unit 2<3：0.82GHz-0.96GHz, 1.70GHz-2.82GHz, it is described
The frequency range (VSWR) of Equations of The Second Kind antenna element<2：3.35GHz-3.72GHz；The frequency range (VSWR) of the 6th antenna element 7<2：
1.83GHz-2.07Ghz, 2.26GHz-2.70GHz.
The length on the antenna floor 1 and 1 liang of wide respectively 130mm × 65mm, the first antenna unit 2 and antenna floor
The distance on individual long side is respectively 19mm and 37mm, and the 6th antenna element 7 is respectively with the distance on the 1 two long sides in antenna floor
21mm and 35mm, the distance of the minor face that the 4th antenna element 5 and the 6th antenna element 7 are located is 32mm, described 5th day
The distance of the minor face that line unit 6 and the 6th antenna element 7 are located is 30mm, the antenna element 6 of the third antenna unit 4 and the 5th
The distance between be 48mm.
Fig. 1 is the overall structure of antenna, and the antenna element of the antenna is numbered successively, Equations of The Second Kind antenna element bag
The second antenna element 3, third antenna unit 4, the 4th antenna element 5 and the 5th antenna element 6 are included, its structure is identical.
Fig. 2-7 sets forth the three-dimensional structure diagram of first antenna unit, Equations of The Second Kind antenna element and the 6th antenna element
With corresponding plane outspread drawing (unit is mm), it is 30mm × 8mm × 3mm that first antenna unit is folded in volume
FR4 media on；Equations of The Second Kind antenna element is folded in volume as on the FR4 media of 6mm × 6mm × 2mm；6th antenna list
Unit is folded in volume as on the FR4 media of 10mm × 10mm × 3mm, 6 FR4 media cuboids are as antenna FR4 bases
On plate (130mm × 65mm × 1mm).
Fig. 8 gives the floor below antenna FR4 substrates, and the floor material is copper, and the shape and size to floor enter
Detailed mark is gone, unit is mm.
Fig. 9-11 sets forth S11 (the echo damages of first antenna unit, Equations of The Second Kind antenna element and the 6th antenna element
Consumption), understand that antenna system fully covers GSM850, GSM900, DCS1800, PCS1900 by S11, UMTS, LTE2300,
LTE2600, C-band (3.4GHz-3.6GHz) frequency range.
Figure 12-13 sets forth the S parameter between operating frequency identical antenna element, it is seen that real between antenna element
Good isolation is showed.
Figure 14-22 sets forth first antenna unit, Equations of The Second Kind antenna element and the 6th antenna element in each work
The antenna pattern of crucial frequency, has good omnidirectional radiation characteristic by the visible antenna of directional diagram in frequency range, goes for
The mobile radio terminal devices such as mobile phone.
Figure 23-25 gives first antenna unit, Equations of The Second Kind antenna element and the 6th antenna element in working frequency range
Gain and efficiency, it is known that antenna has good energy conversion performance.
The above is only the preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (8)
1. a kind of new multifrequency MIMO antenna for mobile phone, it is characterised in that：Including rectangular antenna floor（1）, the antenna ground
Plate（1）Two long sides on be each provided with two Equations of The Second Kind squares（9）, on a minor face on the antenna floor first is provided with
Class square（8）, on another minor face on the antenna floor the 3rd class square is provided with（10）, the first kind square（8）On
It is coated with first antenna unit（2）, four Equations of The Second Kind squares（9）On be respectively coated with an Equations of The Second Kind antenna element, described second
Class antenna element includes the second antenna element（3）, third antenna unit（4）, the 4th antenna element（5）With the 5th antenna element
（6）, the 3rd class square（10）On be coated with the 6th antenna element（7）, the first antenna unit（2）, the second antenna list
Unit（3）, the 4th antenna element（5）, the 6th antenna element（7）, the 5th antenna element（6）With third antenna unit（4）Enclose successively
Around antenna floor（1）Arrange clockwise.
2. new multifrequency MIMO antenna for mobile phone according to claim 1, it is characterised in that：The first kind square（8）With
3rd class square（10）It is relative and positioned at first kind square（8）On face be first side, first kind square（8）From the first side
Rise and be followed successively by second side, the 3rd side and the 4th side, the first antenna unit clockwise in face（2）Including being affixed on
One class square（8）The first bonding jumper that top surface is linearly arranged（11）With the 7th bonding jumper of c-type（19）, the 7th of the c-type the
Bonding jumper（19）Opening to second side, and the first bonding jumper（11）With the 7th bonding jumper（19）Between leave space, it is described
First bonding jumper（11）, space and the 7th bonding jumper（19）Total length and first kind square（8）The length of top surface is identical, and first
Bonding jumper（11）With the 7th bonding jumper（19）Side flush with the top margin of the 3rd side, the first bonding jumper（11）Away from the 7th gold medal
Category bar（19）Vertical 3rd bonding jumper of the connection positioned at the 4th side in one end（13）, the 3rd bonding jumper（13）Length it is short
In first kind square（8）Height, first bonding jumper（11）Vertical second metal of the connection positioned at the 3rd side in side
Bar（12）One end, the second bonding jumper（12）The other end vertically connection extends first kind square（8）4th metal of bottom surface
Bar（14）One end, the 4th bonding jumper（14）The other end be provided with the first distributing point（15）, the 7th metal of the c-type
Bar（19）There are two contacts at opening, one of contact vertically connects the 6th bonding jumper positioned at the 3rd side（18）One
End, the 6th bonding jumper（18）The other end vertically connect fifth metal bar（17）One end, the fifth metal bar（17）
The other end be provided with the first short dot（16）, another contact the 8th bonding jumper of vertical connection（20）One end, the described 8th
Bonding jumper（20）The other end respectively with its tenth bonding jumper connected horizontally（22）One end and perpendicular connection the 9th
Bonding jumper（21）One end connect, the 9th bonding jumper（21）Vertical the 11st bonding jumper of connection of the other end（23）One end,
11 bonding jumpers（23）The other end connect the 12nd bonding jumper（24）, the 8th bonding jumper（20）, the 9th bonding jumper（21）、
Tenth bonding jumper（22）, the 11st bonding jumper（23）With the 12nd bonding jumper（24）It is respectively positioned on first kind square（8）Top surface, and institute
State the 12nd bonding jumper（24）Side flush with the top margin of first side, the tenth bonding jumper（22）The other end vertically connect
Connect the 13rd bonding jumper positioned at first side（25）One end, the 13rd bonding jumper（25）The other end vertically connection the
14 bonding jumpers（26）One end, the 14th bonding jumper（26）Vertical the 15th bonding jumper of connection of the other end（27）One end,
15th bonding jumper（27）Vertical the 16th bonding jumper of connection of the other end（28）, the 13rd bonding jumper（25）, the 14th
Bonding jumper（26）, the 15th bonding jumper（27）With the 16th bonding jumper（28）Arrange around four sides of first side, it is described
12nd bonding jumper（24）Be shorter in length than the 16th bonding jumper（28）Length, the 16th bonding jumper（28）Be shorter in length than
Nine bonding jumpers（21）Length, the 9th bonding jumper（21）With the 14th bonding jumper（26）Length and first kind square（8）
The length of top surface is identical.
3. new multifrequency MIMO antenna for mobile phone according to claim 1, it is characterised in that：Two on the long side of homonymy
Equations of The Second Kind square（9）Relative face is the 5th side, and opposite face is heptalateral face, second on two relative long sides
Class square（9）Relative face is the 6th side, and opposite face is the 8th side, and the Equations of The Second Kind antenna element includes being located at the 7th
The 27th longitudinally disposed bonding jumper on side（41）, the 28th bonding jumper（42）With the 30th bonding jumper of horizontally set
（44）, the 31st bonding jumper（47）, the 27th bonding jumper（41）, the 28th bonding jumper（42）, the 30th metal
Bar（44）With the 31st bonding jumper（47）One end intersect at a point, and the 30th bonding jumper（44）With the 31st bonding jumper
（47）Longitudinal straight line and the 27th bonding jumper of formation（41）With the 28th bonding jumper（42）The horizontal straight line for being formed is mutual
Vertically；30th bonding jumper（44）The other end perpendicular to the 30th bonding jumper（44）It is provided with the second short dot（45）,
Second short dot（45）Positioned at the 8th side, the 28th bonding jumper（42）The other end vertically connection extends the
Two class squares（9）29th bonding jumper of bottom surface（43）One end, the 29th bonding jumper（43）The other end arrange
There is the second distributing point（46）, the 31st bonding jumper（47）The other end hang down the 32nd metal being connected with positioned at the 6th side
Bar（48）One end, the 32nd bonding jumper（48）Vertical 33rd metal of the connection positioned at the 5th side of the other end
Bar（49）, the 27th bonding jumper（41）The other end connection be located at Equations of The Second Kind square（9）34th metal of top surface
Bar（50）One end, the 34th bonding jumper（50）Vertical the 35th bonding jumper of connection of the other end（51）One end,
35th bonding jumper（51）Vertical the 36th bonding jumper of connection of the other end（52）One end, the 36th bonding jumper
（52）Vertical the 37th bonding jumper of connection of the other end（53）One end, the 37th bonding jumper（53）The other end hang down
It is direct-connected to connect the 38th bonding jumper（54）, the 34th bonding jumper（50）, the 35th bonding jumper（51）, the 36th gold medal
Category bar（52）, the 37th bonding jumper（53）With the 38th bonding jumper（54）It is respectively positioned on Equations of The Second Kind square（9）Top surface, it is described
34th bonding jumper（50）Side it is high together with the top margin in heptalateral face, the 35th bonding jumper（51）Side and the
The top margin of eight sides is high together, the 37th bonding jumper（53）Side it is high together with the top margin of the 6th side, the described 30th
Eight bonding jumpers（54）Side it is high together with the top margin of the 5th side, the 31st bonding jumper（47）Length be longer than the 30th
Bonding jumper（44）, the 28th bonding jumper（42）Length be longer than the 27th bonding jumper（41）, the 38th gold medal
Category bar（54）Length be longer than the 34th bonding jumper（50）, the 34th bonding jumper（50）Length be longer than the 33rd gold medal
Category bar（49）, the 32nd bonding jumper（48）Length and Equations of The Second Kind square（9）Length it is identical, the 36th gold medal
Category bar（52）Length and Equations of The Second Kind square（9）Width it is identical；32nd bonding jumper（48）Width be more than the 3rd
11 bonding jumpers（47）, the 31st bonding jumper（47）Width be more than the 30th bonding jumper（44）.
4. new multifrequency MIMO antenna for mobile phone according to claim 1, it is characterised in that：The 3rd class square（10）With
First kind square（8）It is relative and positioned at the 3rd class square（10）On face be the 9th side, the 3rd class square（10）From the 9th
Rise and be followed successively by the tenth side, the tenth one side and the tenth two side faces, the 6th antenna element clockwise in side（2）Including
The 19th longitudinally disposed bonding jumper on the tenth two side faces（31）, the 21st bonding jumper（33）With the tenth of horizontally set the
Eight bonding jumpers（30）, the 20th bonding jumper（32）, the 18th bonding jumper（30）, the 19th bonding jumper（31）, the 20th gold medal
Category bar（32）, the 21st bonding jumper（33）One end intersect at a point, and the 19th bonding jumper（31）With the 21st metal
Bar（33）Longitudinal straight line and the 18th bonding jumper of formation（30）With the 20th bonding jumper（32）The horizontal straight line for being formed hangs down mutually
Directly, the 18th bonding jumper（30）Width be more than the 20th bonding jumper（32）；20th bonding jumper（32）It is another
End is perpendicular to the 20th bonding jumper（32）It is provided with the 3rd short dot（36）, the 3rd short dot（36）Positioned at the 9th side,
21st bonding jumper（33）The other end vertically connection extends the 3rd class square（10）22nd metal of bottom surface
Bar（34）One end, the 22nd bonding jumper（34）The other end be provided with the 3rd distributing point（35）, the 18th gold medal
Category bar（30）Vertical 25th bonding jumper of the connection positioned at the tenth one side of the other end（39）One end, the described 25th
Bonding jumper（39）Vertical 26th bonding jumper of the connection positioned at the tenth side of the other end（40）, the 19th bonding jumper
（31）The other end connection be located at the 3rd class square（10）17th bonding jumper of top surface（29）One end, the 17th bonding jumper
（29）Vertical the 23rd bonding jumper of connection of the other end（37）One end, the 23rd bonding jumper（37）The other end vertically connect
Connect the 24th bonding jumper（38）, the 23rd bonding jumper（37）With the 24th bonding jumper（38）It also is located at the 3rd class side
Block（10）Top surface, the 17th bonding jumper（29）Side flush with the top margin of the tenth two side faces, the 23rd metal
Bar（37）Side flush with the top margin of the tenth one side, the 24th bonding jumper（38）Side and the tenth side top
While flushing, the 18th bonding jumper（30）, the 25th bonding jumper（39）With the 26th bonding jumper（40）The class of distance the 3rd
Square（10）Highly consistent, the 24th bonding jumper of bottom surface（38）Length be longer than the 26th bonding jumper（40）, the
26 bonding jumpers（40）Length be longer than the 17th bonding jumper（29）, the 18th bonding jumper（30）Length be longer than second
Ten bonding jumpers（32）, the 21st bonding jumper（33）Length be longer than the 19th bonding jumper（31）, the 20th metal
Bar（32）With the 18th bonding jumper（30）Total length be equal to the 3rd class square（10）Width it is identical, the 23rd metal
Bar（37）With the 25th bonding jumper（39）Length and the 3rd class square（10）Length it is identical.
5. new multifrequency MIMO antenna for mobile phone according to claim 1, it is characterised in that：The antenna floor（1）, first
Antenna element（2）, the second antenna element（3）, third antenna unit（4）, the 4th antenna element（5）, the 5th antenna element（6）With
6th antenna element（7）Material be copper；First kind square（8）, Equations of The Second Kind square（9）With the 3rd class square（10）It is
FR4 medium squares.
6. new multifrequency MIMO antenna for mobile phone according to claim 1, it is characterised in that：The first kind square（8）'s
A height of 30mm × the 8mm of length and width × 3mm, the Equations of The Second Kind square（9）The a height of 6mm × 6mm of length and width × 2mm, the 3rd class side
Block（10）The a height of 10mm × 10mm of length and width × 3mm.
7. new multifrequency MIMO antenna for mobile phone according to claim 1, it is characterised in that：The first antenna unit（2）
Frequency range VSWR<3：0.82GHz-0.96GHz, 1.70GHz-2.82GHz, frequency range VSWR of the Equations of The Second Kind antenna element<2：
3.35GHz-3.72GHz；6th antenna element（7）Frequency range VSWR<2：1.83GHz-2.07Ghz, 2.26GHz-
2.70GHz。
8. new multifrequency MIMO antenna for mobile phone according to claim 1, it is characterised in that：The antenna floor（1）Length
130mm × 65mm, the first antenna unit are respectively with wide（2）With antenna floor（1）The distance on two long sides is respectively
19mm and 37mm, the 6th antenna element（7）With antenna floor（1）The distance on two long sides is respectively 21mm and 35mm, institute
State the 4th antenna element（5）With the 6th antenna element（7）The distance of the minor face at place be 32mm, the 5th antenna element（6）
With the 6th antenna element（7）The distance of the minor face at place be 30mm, the third antenna unit（4）With the 5th antenna element（6）
The distance between be 48mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621116212.7U CN206134921U (en) | 2016-10-12 | 2016-10-12 | Novel multifrequency MIMO cell -phone antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621116212.7U CN206134921U (en) | 2016-10-12 | 2016-10-12 | Novel multifrequency MIMO cell -phone antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206134921U true CN206134921U (en) | 2017-04-26 |
Family
ID=58572803
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621116212.7U Expired - Fee Related CN206134921U (en) | 2016-10-12 | 2016-10-12 | Novel multifrequency MIMO cell -phone antenna |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106329065A (en) * | 2016-10-12 | 2017-01-11 | 南京信息工程大学 | Novel multifrequency MIMO mobile phone antenna |
| CN108987906A (en) * | 2018-07-24 | 2018-12-11 | 维沃移动通信有限公司 | A kind of terminal device |
| CN108987905A (en) * | 2018-07-24 | 2018-12-11 | 维沃移动通信有限公司 | A kind of terminal device |
| CN110072014A (en) * | 2019-05-20 | 2019-07-30 | 维沃移动通信有限公司 | A kind of screen folded state determines method and mobile terminal |
| CN113540790A (en) * | 2021-04-26 | 2021-10-22 | 深圳市宏电技术股份有限公司 | MIMO antenna and electronic equipment |
-
2016
- 2016-10-12 CN CN201621116212.7U patent/CN206134921U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106329065A (en) * | 2016-10-12 | 2017-01-11 | 南京信息工程大学 | Novel multifrequency MIMO mobile phone antenna |
| CN106329065B (en) * | 2016-10-12 | 2024-03-15 | 南京信息工程大学 | Novel multi-frequency MIMO mobile phone antenna |
| CN108987906A (en) * | 2018-07-24 | 2018-12-11 | 维沃移动通信有限公司 | A kind of terminal device |
| CN108987905A (en) * | 2018-07-24 | 2018-12-11 | 维沃移动通信有限公司 | A kind of terminal device |
| US12027776B2 (en) | 2018-07-24 | 2024-07-02 | Vivo Mobile Communication Co., Ltd. | Terminal device |
| CN110072014A (en) * | 2019-05-20 | 2019-07-30 | 维沃移动通信有限公司 | A kind of screen folded state determines method and mobile terminal |
| CN113540790A (en) * | 2021-04-26 | 2021-10-22 | 深圳市宏电技术股份有限公司 | MIMO antenna and electronic equipment |
| CN113540790B (en) * | 2021-04-26 | 2023-12-29 | 深圳市宏电技术股份有限公司 | MIMO antenna and electronic equipment |
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