CN113690587A - Dual-frequency MIMO antenna assembly and mobile terminal - Google Patents
Dual-frequency MIMO antenna assembly and mobile terminal Download PDFInfo
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- CN113690587A CN113690587A CN202110954852.4A CN202110954852A CN113690587A CN 113690587 A CN113690587 A CN 113690587A CN 202110954852 A CN202110954852 A CN 202110954852A CN 113690587 A CN113690587 A CN 113690587A
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- 239000002184 metal Substances 0.000 claims abstract description 25
- 230000005404 monopole Effects 0.000 claims abstract description 24
- 230000009977 dual effect Effects 0.000 claims 1
- 238000002955 isolation Methods 0.000 abstract description 13
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 238000004088 simulation Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
-
- 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
- H01Q1/48—Earthing means; Earth screens; Counterpoises
-
- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
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- 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
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
-
- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
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Abstract
The invention provides a dual-frequency MIMO antenna assembly and a mobile terminal, comprising a metal floor, a medium frame and an antenna main body; the metal floor is rectangular; the dielectric frame is arranged around the edge of the metal floor; the antenna main body is positioned on the medium frame; the antenna main body comprises an L-shaped monopole antenna and a loop antenna which are arranged at intervals; the L-shaped monopole antenna comprises a first branch and a second branch, wherein the first branch is located in the plane of the loop antenna, and the second branch is perpendicular to the plane of the loop antenna. By arranging the antenna main body on the medium frame, the L-shaped monopole antenna and the loop antenna are coupled with each other to generate double frequency, and the isolation is good, so that the problem of how to enable the Sub-6G antenna to carry out double-frequency resonance and ensure the isolation is solved.
Description
Technical Field
The invention relates to the technical field of wireless communication, in particular to a dual-frequency MIMO antenna assembly and a mobile terminal.
Background
Currently, in order to improve the wireless communication level of a mobile terminal, antennas are generally designed as MIMO. MIMO, refers to the simultaneous operation of two or more co-frequency antennas. Generally speaking, a plurality of co-frequency antennas of the MIMO antenna have the same antenna structure, so that the generated co-frequency efficiency has a multiplication effect, thereby improving the transceiving performance of the antenna.
Currently, with the development of 5G communication technology, Sub-6GHz antennas are heavily studied, and 3GPP defines two FRs (frequency ranges) used by 5 GNRs, wherein FR1 includes a part of frequency bands used by 2/3/4G, and a part of frequency bands are newly added, the frequency range of the newly added frequency band is defined as 450-6000 MHz, and the newly added frequency band is generally called Sub-6G because the radio frequency spectrum is below 6G.
Currently, a Sub-6GHz antenna is usually designed in a MIMO antenna mode, and although the radiation intensity of the Sub-6GHz antenna can be effectively ensured, two difficulties still exist in the design of the Sub-6GHz antenna at present:
firstly, whether the Sub-6GHz antenna can cover the whole frequency band of N77 (3300-4200 MHz) \ N78 (3300-3800 MHz) \ N79 (4400-5000 MHz) or not;
secondly, how to ensure the isolation between the MIMO antennas, especially for the broadband Sub-6GHz antenna, it is difficult to ensure the better isolation in the broadband.
Disclosure of Invention
The invention aims to provide a dual-frequency MIMO antenna component and a mobile terminal, so as to solve the problem of how to enable a Sub-6G antenna to carry out dual-frequency resonance and ensure the isolation degree of the Sub-6G antenna.
In order to solve the technical problem, the invention provides a dual-frequency MIMO antenna assembly, which comprises a metal floor, a medium frame and an antenna main body; the metal floor is rectangular; the dielectric frame is arranged around the edge of the metal floor; the antenna main body is positioned on the medium frame; the antenna main body comprises an L-shaped monopole antenna and a loop antenna which are arranged at intervals; the L-shaped monopole antenna comprises a first branch and a second branch, wherein the first branch is located in the plane of the loop antenna, and the second branch is perpendicular to the plane of the loop antenna.
Optionally, in the dual-frequency MIMO antenna assembly, the number of the antenna main bodies is 2, 2 of the antenna main bodies are symmetrically disposed in the middle of two long sides of the dielectric frame, and 2 of the second branches of the antenna main bodies are disposed oppositely.
Optionally, in the dual-frequency MIMO antenna assembly, the loop antenna includes a rectangular branch, a feed branch, and a ground branch; the rectangular branch section is provided with an opening in the middle of one long side, one end of the feed branch section is connected with one end of the opening, and one end of the ground branch section is connected with the other end of the opening; the feed branch is parallel to the ground branch and is perpendicular to the long edge of the rectangular branch.
Optionally, in the dual-frequency MIMO antenna assembly, the first branch is located in a middle of the opening and is parallel to the feed branch.
Optionally, in the dual-frequency MIMO antenna assembly, the dual-frequency MIMO antenna assembly further includes a first on-off switch and a second on-off switch; the first on-off switch is communicated with the two long sides of the rectangular branch and is arranged close to the feed branch; the second switch-off switch is communicated with two long sides of the rectangular branch and is arranged close to the ground branch; the first on-off switch and the second on-off switch are different in the position of connecting the two long sides.
Optionally, in the dual-frequency MIMO antenna assembly, the total length of the rectangular branches is 27.5 ± 0.05mm, and the total width is 4.2 ± 0.05 mm; the lengths of the feed branch and the ground branch are 2.5 +/-0.05 mm; the length of the opening is 2 +/-0.05 mm; the distance between the short sides at the side close to the first on-off switch and the second on-off switch is 10 +/-0.05 mm.
Optionally, in the dual-frequency MIMO antenna assembly, the dual-frequency MIMO antenna assembly further includes a third on-off switch, and the third on-off switch is located at a connection between the first branch and the second branch.
Optionally, in the dual-frequency MIMO antenna assembly, the dielectric constant of the dielectric frame is 3.48, the loss tangent is 0.02, and the thickness is 1.52 ± 0.05 mm.
Optionally, in the dual-frequency MIMO antenna assembly, the dual-frequency MIMO antenna assembly further includes a bottom dielectric slab, where the bottom dielectric slab is located on a surface of one side of the metal floor, the surface being far away from the dielectric frame; the dielectric constant of the bottom dielectric plate is 4.4, the loss tangent value is 0.02, and the thickness is 1.2 +/-0.05 mm.
In order to solve the above technical problem, the present invention further provides a mobile terminal including the dual-frequency MIMO antenna assembly as described in any one of the above.
The invention provides a dual-frequency MIMO antenna assembly and a mobile terminal, which comprise a metal floor, a medium frame and an antenna main body; the metal floor is rectangular; the dielectric frame is arranged around the edge of the metal floor; the antenna main body is positioned on the medium frame; the antenna main body comprises an L-shaped monopole antenna and a loop antenna which are arranged at intervals; the L-shaped monopole antenna comprises a first branch and a second branch, wherein the first branch is located in the plane of the loop antenna, and the second branch is perpendicular to the plane of the loop antenna. By arranging the antenna main body on the medium frame, the L-shaped monopole antenna and the loop antenna are coupled with each other to generate double frequency, and the isolation is good, so that the problem of how to enable the Sub-6G antenna to carry out double-frequency resonance and ensure the isolation is solved.
Drawings
Fig. 1 is a schematic structural diagram of a dual-frequency MIMO antenna assembly provided in this embodiment;
fig. 2 is a schematic structural diagram of an antenna main body in the dual-frequency MIMO antenna assembly provided in this embodiment;
fig. 3 is a front view of the antenna main body provided in the present embodiment;
fig. 4 is a front view of the optimized antenna body provided in the present embodiment;
fig. 5 is a schematic diagram illustrating dimension marking of the optimized antenna body according to the present embodiment;
fig. 6 is a diagram of a simulation result of the S parameter of the dual-frequency MIMO antenna assembly provided in this embodiment at low frequency;
fig. 7 is a diagram of a simulation result of the S parameter of the dual-frequency MIMO antenna assembly provided in this embodiment at high frequency;
wherein the reference numerals are as follows:
100-metal floor; 200-a media border; 300-an antenna body; 310-L-shaped monopole antenna; 311-first branch; 312-second branch; 320-a loop antenna; 321-rectangular branches; 322-feed branch; 323-ground branch knot; 410-a first on-off switch; 420-a second on-off switch; 500-bottom dielectric slab.
Detailed Description
The dual-band MIMO antenna assembly and the mobile terminal according to the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention. Further, the structures illustrated in the drawings are often part of actual structures. In particular, the drawings may have different emphasis points and may sometimes be scaled differently.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the accompanying drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order, and it is to be understood that such structures as are used are interchangeable where appropriate. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The present embodiment provides a dual-frequency MIMO antenna assembly, as shown in fig. 1 and fig. 2, including a metal floor 100, a dielectric bezel 200, and an antenna main body 300; the metal floor 100 is rectangular; the media border 200 is disposed around the edge of the metal flooring 100; the antenna body 300 is positioned on the dielectric frame 200; the antenna body 300 comprises an L-shaped monopole antenna 310 and a loop antenna 320 which are arranged at intervals; the L-shaped monopole antenna 310 includes a first branch 311 and a second branch 312, where the first branch 311 is located in a plane of the loop antenna 320, and the second branch 312 is perpendicular to the plane of the loop antenna 320.
According to the dual-frequency MIMO antenna assembly provided by the embodiment, the antenna main body is arranged on the medium frame, the L-shaped monopole antenna and the loop antenna are mutually coupled to generate dual-frequency, and the dual-frequency MIMO antenna assembly has better isolation, so that the problem of how to enable the Sub-6G antenna to carry out dual-frequency resonance and ensure the isolation of the Sub-6G antenna is solved.
Preferably, in order to improve the transceiving performance of the dual-band MIMO antenna assembly, in this embodiment, the number of the antenna main bodies 300 is 2, 2 of the antenna main bodies 300 are symmetrically disposed in the middle of two long sides of the dielectric frame 200, and 2 of the second branches 312 of the antenna main bodies 300 are disposed oppositely.
Therefore, the MIMO antenna is formed by the two antenna main bodies, so that the overall radiation efficiency of the dual-frequency MIMO antenna assembly is improved, and the transceiving performance is improved.
As shown in fig. 3, in the present embodiment, the loop antenna 320 includes a rectangular branch 321, a feeding branch 322, and a ground branch 323; the rectangular branch 321 is provided with an opening in the middle of one long side, one end of the feed branch 322 is connected with one end of the opening, and one end of the ground branch 323 is connected with the other end of the opening; the free end of the feeding branch 322 is provided with a feeding point, and the free end of the ground branch 323 is provided with a place, so that feeding of the loop antenna 320 is realized.
Preferably, the feeding branch 322 and the ground branch 323 are parallel and perpendicular to the long side of the rectangular branch 321. And, the first branch 311 is located in the middle of the opening, and is parallel to the feeding branch 322. Thus, the first branch 311, the feed branch 322 and the ground branch 323 are all parallel, so that the coupling efficiency between the first branch 311, the feed branch 322 and the ground branch 323 is high, and the transceiving performance of the antenna is improved. In addition, since the first branch 311 is located in the middle of the opening, the isolation between the L-shaped monopole antenna 310 and the loop antenna 320 is high.
Further, as shown in fig. 4, in this embodiment, the dual-frequency MIMO antenna assembly further includes a first on-off switch 410 and a second on-off switch 420; the first on-off switch 410 is communicated with two long sides of the rectangular branch 321 and is arranged close to the feeding branch 322; the second on-off switch 420 is communicated with two long sides of the rectangular branch 321 and is arranged close to the ground branch 323; the first on/off switch 410 and the second on/off switch 420 are connected to two long sides at different positions. The effective antenna length and the routing of the loop antenna 320 can be changed through the first on-off switch 410 and the second on-off switch 420, so that tuning of different frequency bands is realized.
Furthermore, in this embodiment, the dual-band MIMO antenna assembly further includes a third on-off switch, where the third on-off switch is located at a connection between the first branch 311 and the second branch 312. By changing the state of the third on-off switch, the effective antenna length and the routing of the L-shaped monopole antenna 310 can be changed, thereby realizing tuning of different frequency bands.
In addition, in this embodiment, as shown in fig. 1, the dual-frequency MIMO antenna assembly further includes a bottom dielectric plate 500, where the bottom dielectric plate 500 is located on a side surface of the metal floor 100 away from the dielectric bezel 200.
The embodiment also provides a mobile terminal, which comprises the dual-frequency MIMO antenna assembly provided by the embodiment. The mobile terminal includes but is not limited to a mobile phone, a notebook computer, etc.
Hereinafter, a dual-frequency MIMO antenna assembly according to the present invention is described with an embodiment.
Specifically, in the present embodiment, as shown in fig. 1, the length of the metal floor is about 150mm, and the width is 76mm, which is the size of a standard mobile phone. The height of the dielectric frame is about 7.6mm, the dielectric of the dielectric frame adopts Rogers 4350B, the dielectric constant is 3.38, the loss tangent is 0.02, and the thickness is 1.52 +/-0.05 mm.
The middle parts of the two long sides of the dielectric frame 200 are respectively provided with an antenna main body 300, and the antenna main bodies 300 on the two sides are symmetrically arranged along the central axis of the metal floor 100 in the length direction. Each antenna main body 300 includes an L-shaped monopole antenna 310 and a loop antenna 320, wherein the L-shaped monopole antenna 310 is placed in the center, the opening at the long side of the loop antenna 320 is located at the middle, and the L-shaped monopole antenna 310 is located at the opening, at this time, the loop antenna 320 is symmetrical with the L-shaped monopole antenna 310 as a symmetry axis.
The trace width of the monopole antenna 310 is about 0.4mm, the trace width of the loop antenna is about 0.3mm, and as shown in fig. 5, the total length L of the rectangular branch 321 is 27.5 ± 0.05mm, and the total width W is 4.2 ± 0.05 mm; the length H of the feed branch section 322 and the ground branch section 323 is 2.5 +/-0.05 mm; the length of the opening is 2 +/-0.05 mm; the distance d between the first on-off switch 410 and the second on-off switch 420 and the short side at the closer side is 10 +/-0.05 mm; the distance S between the short side close to the feed branch 322 and the short side of the ground branch 323 is 12.75 +/-0.05 mm.
In addition, a bottom dielectric slab 500 is further disposed at the bottom of the metal floor 100, and the dielectric constant of the bottom dielectric slab 500 is 4.4, the loss tangent value is 0.02, and the thickness is 1.2 ± 0.05 mm.
When the dual-frequency MIMO antenna assembly provided in this embodiment operates, when the first on-off switch 410 and the second on-off switch 420 are in an off state, and the third on-off switch is in an on state, the dual-frequency MIMO antenna assembly may implement a low-frequency radiation state; when the first on-off switch 410 and the second on-off switch 420 are in a closed state and the third on-off switch is in an open state, the dual-frequency MIMO antenna assembly can achieve a high-frequency radiation state. Of course, in the specific working process, the states of the first on-off switch 410, the second on-off switch 420 and the third on-off switch can be adjusted according to actual needs, so that tuning of different frequencies is realized.
Fig. 6 and fig. 7 show simulation results of S parameters of the dual-frequency MIMO antenna assembly provided by the present embodiment at low and high frequencies, respectively. As can be seen from FIGS. 6 and 7, the dual-frequency MIMO antenna assembly realizes good resonance in the frequency band ranges of 3.4-3.6 GHz at low frequency and 4.8-5.0 GHz at high frequency, and the in-band isolation degree reaches a level above 20dB, which indicates that no obvious interference exists between the antennas and good communication performance can be realized.
In summary, the dual-band MIMO antenna assembly and the mobile terminal provided in this embodiment include a metal floor, a dielectric frame, and an antenna main body; the metal floor is rectangular; the dielectric frame is arranged around the edge of the metal floor; the antenna main body is positioned on the medium frame; the antenna main body comprises an L-shaped monopole antenna and a loop antenna which are arranged at intervals; the L-shaped monopole antenna comprises a first branch and a second branch, wherein the first branch is located in the plane of the loop antenna, and the second branch is perpendicular to the plane of the loop antenna. By arranging the antenna main body on the medium frame, the L-shaped monopole antenna and the loop antenna are coupled with each other to generate double frequency, and the isolation is good, so that the problem of how to enable the Sub-6G antenna to carry out double-frequency resonance and ensure the isolation is solved.
The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the appended claims.
Claims (10)
1. A dual-frequency MIMO antenna assembly is characterized by comprising a metal floor, a dielectric frame and an antenna main body; the metal floor is rectangular; the dielectric frame is arranged around the edge of the metal floor; the antenna main body is positioned on the medium frame; the antenna main body comprises an L-shaped monopole antenna and a loop antenna which are arranged at intervals; the L-shaped monopole antenna comprises a first branch and a second branch, wherein the first branch is located in the plane of the loop antenna, and the second branch is perpendicular to the plane of the loop antenna.
2. The dual-frequency MIMO antenna assembly of claim 1, wherein the number of the antenna bodies is 2, 2 antenna bodies are symmetrically disposed at the middle of two long sides of the dielectric frame, and the second branches of the 2 antenna bodies are disposed oppositely.
3. The dual-frequency MIMO antenna assembly of claim 1, wherein the loop antenna comprises a rectangular stub, a feed stub, and a ground stub; the rectangular branch section is provided with an opening in the middle of one long side, one end of the feed branch section is connected with one end of the opening, and one end of the ground branch section is connected with the other end of the opening; the feed branch is parallel to the ground branch and is perpendicular to the long edge of the rectangular branch.
4. The dual-frequency MIMO antenna assembly of claim 3, wherein the first stub is located in the middle of the opening and parallel to the feed stub.
5. The dual-frequency MIMO antenna assembly of claim 3, further comprising a first on-off switch and a second on-off switch; the first on-off switch is communicated with the two long sides of the rectangular branch and is arranged close to the feed branch; the second switch-off switch is communicated with two long sides of the rectangular branch and is arranged close to the ground branch; the first on-off switch and the second on-off switch are different in the position of connecting the two long sides.
6. The dual-frequency MIMO antenna assembly of claim 5, wherein the rectangular branches have an overall length of 27.5 ± 0.05mm and an overall width of 4.2 ± 0.05 mm; the lengths of the feed branch and the ground branch are 2.5 +/-0.05 mm; the length of the opening is 2 +/-0.05 mm; the distance between the short sides at the side close to the first on-off switch and the second on-off switch is 10 +/-0.05 mm.
7. The dual-frequency MIMO antenna assembly of claim 1, further comprising a third on-off switch located at a junction of the first leg and the second leg.
8. The dual-frequency MIMO antenna assembly of claim 1, wherein the dielectric rim has a dielectric constant of 3.48, a loss tangent of 0.02, and a thickness of 1.52 ± 0.05 mm.
9. The dual-frequency MIMO antenna assembly of claim 1, further comprising a bottom dielectric plate disposed on a side surface of the metal floor away from the dielectric rim; the dielectric constant of the bottom dielectric plate is 4.4, the loss tangent value is 0.02, and the thickness is 1.2 +/-0.05 mm.
10. A mobile terminal comprising a dual frequency MIMO antenna assembly according to any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110954852.4A CN113690587A (en) | 2021-08-19 | 2021-08-19 | Dual-frequency MIMO antenna assembly and mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110954852.4A CN113690587A (en) | 2021-08-19 | 2021-08-19 | Dual-frequency MIMO antenna assembly and mobile terminal |
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| US20140145900A1 (en) * | 2012-11-28 | 2014-05-29 | Acer Incorporated | Communication device and reconfigurable antenna element therein |
| WO2018028101A1 (en) * | 2016-08-12 | 2018-02-15 | 上海安费诺永亿通讯电子有限公司 | Compact-type high-isolation antenna for exciting orthogonal radiation of floor, and mimo communication system thereof |
| CN210272674U (en) * | 2019-08-10 | 2020-04-07 | 深圳市卓睿通信技术有限公司 | Antenna pair and MIMO antenna system |
| US20200161765A1 (en) * | 2018-11-19 | 2020-05-21 | Shenzhen Sunway Communication Co Ltd. | 5g wideband mimo antenna system based on coupled loop antennas and mobile terminal |
| CN112117539A (en) * | 2020-08-13 | 2020-12-22 | 西北工业大学 | High-isolation 5G broadband MIMO antenna system |
| CN112448163A (en) * | 2019-08-10 | 2021-03-05 | 深圳市卓睿通信技术有限公司 | High-isolation antenna pair and MIMO antenna system |
| CN112635983A (en) * | 2020-12-11 | 2021-04-09 | 西安电子科技大学 | Dual-band eight-port MIMO terminal antenna based on radiator multiplexing technology |
-
2021
- 2021-08-19 CN CN202110954852.4A patent/CN113690587A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140145900A1 (en) * | 2012-11-28 | 2014-05-29 | Acer Incorporated | Communication device and reconfigurable antenna element therein |
| WO2018028101A1 (en) * | 2016-08-12 | 2018-02-15 | 上海安费诺永亿通讯电子有限公司 | Compact-type high-isolation antenna for exciting orthogonal radiation of floor, and mimo communication system thereof |
| US20200161765A1 (en) * | 2018-11-19 | 2020-05-21 | Shenzhen Sunway Communication Co Ltd. | 5g wideband mimo antenna system based on coupled loop antennas and mobile terminal |
| CN210272674U (en) * | 2019-08-10 | 2020-04-07 | 深圳市卓睿通信技术有限公司 | Antenna pair and MIMO antenna system |
| CN112448163A (en) * | 2019-08-10 | 2021-03-05 | 深圳市卓睿通信技术有限公司 | High-isolation antenna pair and MIMO antenna system |
| CN112117539A (en) * | 2020-08-13 | 2020-12-22 | 西北工业大学 | High-isolation 5G broadband MIMO antenna system |
| CN112635983A (en) * | 2020-12-11 | 2021-04-09 | 西安电子科技大学 | Dual-band eight-port MIMO terminal antenna based on radiator multiplexing technology |
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