CN208385628U - The polarization mimo antenna of double frequency three and wireless telecom equipment - Google Patents
The polarization mimo antenna of double frequency three and wireless telecom equipment Download PDFInfo
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- CN208385628U CN208385628U CN201821131874.0U CN201821131874U CN208385628U CN 208385628 U CN208385628 U CN 208385628U CN 201821131874 U CN201821131874 U CN 201821131874U CN 208385628 U CN208385628 U CN 208385628U
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- feeder line
- medium substrate
- double frequency
- radiation patch
- mimo antenna
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Abstract
The utility model discloses a kind of double frequency three polarization mimo antenna and wireless telecom equipments, the antenna includes medium substrate, floor, three feeder lines and two radiation patch, the floor is arranged in medium substrate upper surface, and dumbbell shaped gap is etched on floor, two slots that the dumbbell shaped gap has a slit and is connected with slit both ends, three feeder lines and two radiation patch are arranged at medium substrate lower surface, wherein a feeder line is corresponding with the slit in dumbbell shaped gap, two other feeder line, two slots in two radiation patch and dumbbell shaped gap are to correspond, each radiation patch is connected with corresponding feeder line；The wireless telecom equipment includes above-mentioned antenna.The antenna of the utility model has double frequency and three kinds of polarization characteristics, and easy processing, structure are simple, at low cost, bandwidth, linear polarization can be applied to the communications bands such as the bluetooth of 1.98GHz~2.9GHz frequency range, Wi-MAX, ISM, and circular polarisation can be applied to the communications bands such as the Wi-MAX and 5G of 3.13GHz~4.53GHz frequency range.
Description
Technical field
The utility model relates to a kind of mimo antenna, especially a kind of polarization mimo antenna of double frequency three and wireless communication are set
It is standby, belong to wireless communication technology field.
Background technique
Antenna as important radio frequency front-end devices, requirement to its performance with wireless communication technique development, it is more next
It is higher.In order to meet Internet of things system to the transmission demand of high quality and high data, multiple-input and multiple-output (Multiple-Input
Multiple-Output, MIMO) technology obtained applying well.MIMO technology is by multi-antenna technology, using multi output side
Method overcomes multipath effect well, to improve the quality and message capacity of system communication, it is thus possible to which satisfaction moves more
The covering of terminal.Because the application of mimo antenna can be in the case where not increasing system spectral resources and total transmission power substantially
The transmission rate and channel capacity for spending raising system, additionally can be improved the stability of communication system.MIMO multi-antenna technology
Most popular one of the research object in Current wireless communication field is had become, and is widely concerned by researchers at home and abroad.
With the arrival in 5G epoch, apply to the mimo antenna of 5G frequency range, will receive more and more attention, at present mostly
Number mimo antenna is less to the research of circular polarisation mimo antenna using linear polarity format.
According to investigations with understanding, disclosed prior art is as follows:
" the microblogging journal " of the 4th phase of volume 29 in 2013, Xia Yunqiang and Tang Tao deliver entitled " multipurpose dual-band and dual-polarization bilateral
A kind of novel double-frequency mimo antenna is proposed in the article of road MIMO indoor base station antenna ".This article is by changing radiating element
Size and shape, LTE, WiMAX frequency range and the band segment of WiFi can be covered simultaneously by obtaining, and can meet indoor base
The requirement stood, research shows that the dual-band dual-polarized antenna has preferable electrical characteristics and pattern characteristics.But this prior art
Linear polarity format is used, and bandwidth is not wide.
Utility model content
Purpose of the utility model is to solve in place of above-mentioned the deficiencies in the prior art, provide a kind of polarization of double frequency three
Mimo antenna, which has double frequency and three kinds of polarization characteristics, and easy processing, structure are simple, at low cost, bandwidth, linear polarization
Can be applied to the bluetooth (2400MHz~2484MHz) of 1.98GHz~2.9GHz frequency range, Wi-MAX (2500MHz~
2690MHz), the communications bands such as ISM (2.4GHz~2.5GHz), circular polarisation can be applied to 3.13GHz~4.53GHz frequency range
The communications bands such as Wi-MAX (3.2GHz~3.8GHz) and 5G (3.3GHz~3.6GHz).
The another object of the utility model is to provide a kind of wireless telecom equipment.
The purpose of this utility model can be reached by adopting the following technical scheme that:
The polarization mimo antenna of double frequency three, including medium substrate, floor, three feeder lines and two radiation patch, describedly
Plate setting dumbbell shaped gap is etched in medium substrate upper surface, and on floor, the dumbbell shaped gap have a slit and
Two slots being connected with slit both ends, three feeder lines and two radiation patch are arranged at medium substrate lower surface, wherein
One feeder line is corresponding with the slit in dumbbell shaped gap, two other feeder line, two radiation patch and two slots in dumbbell shaped gap
It is to correspond, each radiation patch is connected with corresponding feeder line.
Further, two gaps are also etched on the floor, which is located at the two of dumbbell shaped gap
Side, and be connected respectively with two slots in dumbbell shaped gap.
Further, the open end shape of feeder line corresponding with the slit in dumbbell shaped gap is circle.
Further, described two radiation patch are Z-shaped radiation patch.
Further, each radiation patch is from medium substrate lower surface, including two vertical sections and a horizontal segment,
One of vertical section is connected with corresponding feeder line, and is connected by horizontal segment with another vertical section.
Further, two slots in the dumbbell shaped gap are square groove.
Further, the medium substrate and the cross sectional shape on floor are rectangle, length, width and the ground of medium substrate
It is the length of plate, of same size, and the thickness of medium substrate is greater than the thickness on floor.
Further, feeder line corresponding with the slit in dumbbell shaped gap is arranged in the width direction of medium substrate lower surface
On line position, and the feed end of the feeder line is located at the lower edge of medium substrate lower surface.
Further, with the feed end of one-to-one two feeder lines of two slots of two radiation patch, dumbbell shaped gap
It is located at the left edge and right edge of medium substrate lower surface.
The another object of the utility model can be reached by adopting the following technical scheme that:
Wireless telecom equipment, including the above-mentioned polarization mimo antenna of double frequency three.
The utility model have compared with the existing technology it is following the utility model has the advantages that
1, the double frequency three of the utility model polarizes mimo antenna compared with the design of the mimo antenna of the prior art, is provided with three
Feeder line and two radiation patch access electric feed signal from the feed end of a wherein feeder line, can be by etching on floor
The slit in dumbbell shaped gap radiates upwards, generates line polarization wave, accesses electric feed signal from the feed end of two other feeder line, can be with
It is radiated upwards by two slots in the dumbbell shaped gap etched on two radiation patch floors, generates circularly polarised wave (left-handed entelechy
Change wave and right-handed circular polarization wave), three polarization are realized, line polarization wave and circularly polarised wave are respectively applied to two frequency ranges, that is, have
Dual frequency characteristics, and the bandwidth of two frequency ranges is all wider, can satisfy the utilization of multiband wireless communication system, and use entelechy
Change forms of radiation, so that antenna has many advantages, such as the anti-polarization interference of circular polarized antenna and multipath reflection.
2, the polarization mimo antenna of double frequency three of the utility model, shows line from the simulation result of input port return loss
Polarized wave be 1.98GHz~2.9GHz frequency range, can satisfy bluetooth (2400MHz~2484MHz), Wi-MAX (2500MHz~
2690MHz), the requirement of the communications bands such as ISM (2.4GHz~2.5GHz), circularly polarised wave are 3.13GHz~4.53GHz frequency range,
It can satisfy the requirement of the communications bands such as Wi-MAX (3.2GHz~3.8GHz) and 5G (3.3GHz~3.6GHz).
3, the double frequency three of the utility model polarizes in mimo antenna, can be on floor other than etching dumbbell shaped gap
Two gaps being connected respectively with two slots in dumbbell shaped gap are etched, by adding this two gaps, can suitably improve day
The axis ratio of line, widens the circular polarisation bandwidth of antenna.
4, during the double frequency three of the utility model polarizes mimo antenna, feeder line corresponding with the slit in dumbbell shaped gap is opened a way
Holding shape optimum is round, adjustable impedance matching, and reduces the length of the feeder line.
5, during the double frequency three of the utility model polarizes mimo antenna, two radiation patch are all made of Z-shaped radiation patch, and existing
There is antenna to compare using L shape radiation patch, Z-shaped radiation patch can make antenna reach broader circular polarisation bandwidth.
6, the utility model double frequency three polarize mimo antenna have the advantages that structure simply, low section, need to adjust
Parameter is less, is easily worked design, is suitble to engineer application, and some mimo antennas for solving the prior art complicated are asked
Topic.
Detailed description of the invention
Fig. 1 is the perspective of the polarization mimo antenna medium substrate upper and lower surface figure of double frequency three of the utility model embodiment
Figure.
Fig. 2 is the front view of the polarization mimo antenna of double frequency three of the utility model embodiment.
Fig. 3 is the top view of the polarization mimo antenna of double frequency three of the utility model embodiment.
Fig. 4 is the bottom view of the polarization mimo antenna of double frequency three of the utility model embodiment.
Fig. 5 is that the double frequency three of the utility model embodiment polarizes what mimo antenna was fed from three feeder lines respectively |
S11|、|S22|、|S33| the simulation result curve graph of parameter.
Fig. 6 is that the double frequency three of the utility model embodiment polarizes what mimo antenna was fed from the first feeder line | S11| and
The simulation result curve graph of gain parameter.
Fig. 7 is that the double frequency three of the utility model embodiment polarizes what mimo antenna was fed from the second feeder line | S22|、
Axis is than the simulation result curve graph with gain parameter.
Fig. 8 is the isolation parameters of polarization three feed ports of mimo antenna of double frequency three of the utility model embodiment | S12|、|
S13| and | S23| simulation result curve graph.
Fig. 9 is when the polarization of double frequency three mimo antenna of the utility model embodiment is fed from the first feeder line in 2.41GHz frequency
Principal plane pattern under rate.
Figure 10 is when the polarization of double frequency three mimo antenna of the utility model embodiment is fed from the second feeder line in 2.41GHz frequency
Principal plane pattern under rate.
Figure 11 is when the polarization mimo antenna of double frequency three of the utility model embodiment is fed from third feeder line in 2.41GHz frequency
Principal plane pattern under rate.
Wherein, 1- medium substrate, the floor 2-, the first feeder line of 3-, the second feeder line of 4-, 5- third feeder line, the radiation patch of 6- first
Piece, the first vertical section of 601-, the second vertical section of 602-, 603- first horizontal segment, the second radiation patch of 7-, 701- third are vertical
Section, the 4th vertical section of 702-, the second horizontal segment of 703-, the first gap 8-, 801- slit, the left slot of 802-, the right slot of 803-, 9- second
Gap, 10- third gap.
Specific embodiment
The present invention will be further described in detail with reference to the embodiments and the accompanying drawings, but the implementation of the utility model
Mode is without being limited thereto.
Embodiment:
As depicted in figs. 1 and 2, a kind of polarization of double frequency three mimo antenna is present embodiments provided, which can be applied to
In wireless telecom equipment comprising medium substrate 1, floor 2, the first feeder line 3, the second feeder line 4, the radiation patch of third feeder line 5, first
Piece 6 and the second radiation patch 7, in 1 upper surface of medium substrate, the cross sectional shape on medium substrate 1 and floor 2 is the setting of floor 2
Rectangle, it is the length of medium substrate 1, the length of width and floor 2, of same size, and the thickness of medium substrate 1 is greater than floor 2
Thickness, the first feeder line 3, the second feeder line 4, third feeder line 5, the first radiation patch 6 and the second radiation patch 7 are arranged at medium base
1 lower surface of plate.
As shown in FIG. 1 to 3, it is etched with the first gap 8 on the floor 2, which is dumbbell shaped gap, this
Field technical staff is appreciated that two that i.e. the first gap 8 has a slit 801 and is connected with 801 left and right ends of slit
A slot, two slots are about 801 bilateral symmetry of slit, respectively left slot 802 and right slot 803, it is preferable that left slot 802 and right slot 803
It is square groove, the length of slit 801 is greater than the side length of left slot 802 and right slot 803, and the width of slit 801 is less than left 802 He of slot
The side length of right slot 803.
Further, the second gap 9 and third gap 10, the second gap 9 and third gap are also etched on the floor 2
10 bilateral symmetries, and it is located at the left and right sides in the first gap 8, wherein 802 phase of left slot in the second gap 9 and the first gap 8
Even, third gap 10 is connected with the right slot 803 in the first gap 8, although without the second gap 9 and this two, third gap 10 seam
The polarization of double frequency three also may be implemented in gap, the antenna of the present embodiment, but plus the second gap 9 and this two, third gap 10 seam
Gap can suitably improve the axis ratio of antenna, widen the circular polarisation bandwidth of antenna.
As shown in Figure 1, Figure 2 and Figure 4, first feeder line 3 is arranged on the width direction midline position of medium substrate 1,
It is corresponding with the slit 801 in the first gap 8, and the feed end of the first feeder line 3 is located at the lower edge of 1 lower surface of medium substrate, the
The open end shape optimum of one feeder line 3 is circle, adjustable impedance matching, and the length of the first feeder line 3 of reduction, from the first feedback
The feed end of line 3 accesses electric feed signal, is radiated upwards by the slit 801 in the first gap 8, generates line polarization wave；Second feeder line 4
Symmetrical about the first feeder line 3 with third feeder line 5, the feed end of the second feeder line 4 is located at the left edge of 1 lower surface of medium substrate,
And be connected with the first radiation patch 6, the left slot 802 of the second feeder line 4, the first radiation patch 6 and the first gap 8 is corresponding pass
System accesses electric feed signal from the feed end of the second feeder line 4, and the left slot 802 by the first radiation patch 6 in the first gap 8 is upward
Radiation generates right-handed circular polarization wave；The feed end of third feeder line 5 is located at the right edge of 1 lower surface of medium substrate, and with second
Radiation patch 7 is connected, and the right slot 803 of third feeder line 5, the second radiation patch 7 and the first gap 8 is corresponding relationship, from the
The feed end of three feeder lines 5 accesses electric feed signal, and the right slot 803 by the second radiation patch 7 in the first gap 8 radiates upwards, produces
Raw left-hand circular polarization wave.
Further, projection of first feeder line 3 on floor 2 is intersected and vertical with the slit 801 in the first gap 8；Second
Projection of the feeder line 4 on floor 2 is located in the space of the composition of left slot 802 in the second gap 9 and the first gap 8, is predominantly located in
In second gap 9；Projection of the third feeder line 5 on floor 2 is located at the composition of right slot 803 in third gap 10 and the first gap 8
In space, it is predominantly located in third gap 10；Projection of first radiation patch 6 on floor 2 is located at the left slot in the first gap 8
In 802；Projection of second radiation patch 7 on floor 2 is located in the right slot 803 in the first gap 8.
Further, the first radiation patch 6 and the second radiation patch 7 are Z-shaped radiation patch, using Z-shaped radiation patch
It is in order to generate circular polarisation performance, before for slot antenna, although also can produce circular polarisation using L shape radiation patch
Can, but the present embodiment can make antenna reach broader circular polarisation bandwidth using Z-shaped radiation patch, from 1 following table of medium substrate
It is seen on face, the first radiation patch 6 includes the first vertical section 601, the second vertical section 602 and first horizontal segment 603, the first vertical section
601 left side is connected with the second feeder line 4, and the upper end of the first vertical section 601 passes through first horizontal segment 603 and the second vertical section
602 lower end is connected, and the second radiation patch 7 includes third vertical section 701, the 4th vertical section 702 and the second horizontal segment 703, the
The right side of three vertical sections 701 is connected with third feeder line 5, and the upper end of third vertical section 701 passes through the second horizontal segment 703 and the 4th
The lower end of vertical section 702 is connected；In the first radiation patch 6, the length of the length of the first vertical section 601 and the second vertical section 602
Spend identical, less than the width of the second vertical section 602, the length and width of first horizontal segment 603 is equal for the width of the first vertical section 601
Less than the length and width of the first vertical section 601, similarly, in the second radiation patch 7, the length of third vertical section 701 and the
The length of four vertical sections 702 is identical, width of the width less than the 4th vertical section 702 of third vertical section 701, the second horizontal segment
703 length and width is respectively less than the length and width of third vertical section 701.
It is imitative with electromagnetic field by calculating after the dimensional parameters of the polarization mimo antenna each section of double frequency three for adjusting the present embodiment
Very, verifying emulation has been carried out to the polarization of the double frequency of the present embodiment three mimo antenna, existed as shown in figure 5, giving the antenna
1.5GHz in~5GHz frequency range | S11|、|S22| and | S33| the curve of parameter (input port return loss) simulation result,
There are three curves in figure, dotted line is to access electric feed signal from the first feeder line 3 | S11| simulation parameter, the solid line difference of two coincidences
It is to access electric feed signal from the second feeder line 4 and third feeder line 5 | S22| and | S33| simulation parameter；It can be seen that in 1.98GHz
In~2.9GHz band limits, the value of dashed curve is less than -10dB, and in 3.13GHz~4.53GHz band limits, solid line is bent
The value of line is both less than -10dB, and simulation result shows that three poliarizing antenna of double frequency of the present embodiment has wider bandwidth, and performance is good
It is good, can satisfy bluetooth (2400MHz~2484MHz), Wi-MAX (2500MHz~2690MHz), ISM (2.4GHz~
2.5GHz), the requirement of the communications bands such as Wi-MAX (3.2GHz~3.8GHz) and 5G (3.3GHz~3.6GHz).
The double frequency three of the present embodiment polarizes what mimo antenna was fed from the first feeder line 3 | S11| and gain parameter is imitative
For true result curve figure as shown in fig. 6, there is two curves in figure, dotted line is to access electric feed signal from the first feeder line 3 | S11| emulation
Parameter, solid line are the gain parameters from the first feeder line 3 access electric feed signal, it can be seen that at it | S11In the range of |≤- 10dB,
Gain is both greater than 4dB, and maximum gain is up to 6.5dB.
The double frequency three of the present embodiment polarizes what mimo antenna was fed from the second feeder line 4 | S22|, axis ratio and gain
As shown in fig. 7, there is three curves in figure, the dotted line of click and sweep shape is accessed from the second feeder line 4 to be presented the simulation result curve graph of parameter
Electric signal | S22| simulation parameter, solid line are from the axis ratio of the second feeder line 4 access electric feed signal, in 2.8GHz~4.78GHz
Range inner shaft can be covered than being both less than 3dB, the frequency range | S22The frequency range of |≤- 10dB.Plain dashed line is from the second feedback
Line 4 accesses the gain parameter of electric feed signal, meet axis ratio less than 3dB and | S22In the frequency range of |≤- 10dB, gain is all
Greater than 3.5dB；Similarly, the case where feeding from third feeder line 5 is similar, and details are not described herein.
The isolation parameters of polarization three feed ports of mimo antenna of double frequency three of the present embodiment | S12|、|S13| and | S23|
Simulation result curve graph as shown in figure 8, there is three curves in figure, above two close to the curves being overlapped be respectively isolation parameters |
S12| and | S13|, the isolation of port 1 and port 2 or port 1 and port 3 due to antenna symmetrical structure, so simulation curve
It essentially coincides, the isolation between them is both greater than 11.5dB within the scope of entire available frequency band；A curve is isolation below
Parameter | S23|, this is the isolation between port 2 and port 3, and the isolation between the two is within the scope of entire available frequency band
Greater than 18dB.
In 2.41GHz when the model of the polarization mimo antenna HFSS emulation of double frequency three of the present embodiment is fed from the first feeder line 3
Antenna pattern as shown in figure 9, from the second feeder line 4 feed when 2.41GHz antenna pattern it is as shown in Figure 10, from third
Antenna pattern when feeder line 5 is fed in 2.41GHz is as shown in figure 11；It can be seen that when being fed from the first feeder line 3, antenna spoke
What is penetrated is line polarization wave, and when feeding from the second feeder line 4, aerial radiation is right-handed circular polarization wave, when being fed from third feeder line 5,
Aerial radiation is left-hand circular polarization wave.
In above-described embodiment, the medium substrate 1 is using FR-4, polyimides, polytetrafluoroethylglass glass cloth and cofiring pottery
Any two various materials are constituted in porcelain；Floor 2, the first feeder line 3, the second feeder line 4, third feeder line 5, the first radiation patch 6 and
Two radiation patch 7 are all made of metal material and are made, and metal material can be any one of aluminium, iron, tin, copper, silver, gold and platinum,
It or is any one alloy of aluminium, iron, tin, copper, silver, gold and platinum；The wireless telecom equipment can be mobile phone, tablet computer etc.
Electronic equipment.
In conclusion the utility model double frequency three polarize mimo antenna with the prior art mimo antenna design compared with,
Provided with three feeder lines and two radiation patch, electric feed signal is accessed from the feed end of a wherein feeder line, floor can be passed through
The slit in the dumbbell shaped gap of upper etching radiates upwards, generates line polarization wave, accesses and feeds from the feed end of two other feeder line
Signal can be radiated upwards by two slots in the dumbbell shaped gap etched on two radiation patch floors, generate circularly polarised wave
(left-hand circular polarization wave and right-handed circular polarization wave), realizes three polarization, and line polarization wave and circularly polarised wave are respectively applied to two frequencies
Section has dual frequency characteristics, and the bandwidth of two frequency ranges is all wider, can satisfy the utilization of multiband wireless communication system, and
And circular polarization radiation form is used, so that antenna has many advantages, such as the anti-polarization interference of circular polarized antenna and multipath reflection.
The above, only the utility model patent preferred embodiment, but the protection scope of the utility model patent is simultaneously
Not limited to this, anyone skilled in the art is in the range disclosed in the utility model patent, according to this
Technical solution and its utility model design of utility model patent are subject to equivalent substitution or change, belong to the utility model patent
Protection scope.
Claims (10)
- The mimo antenna 1. double frequency three polarizes, it is characterised in that: including medium substrate, floor, three feeder lines and two radiation patches Piece, the floor setting are etched with dumbbell shaped gap in medium substrate upper surface, and on floor, which has one Slit and two slots being connected with slit both ends, three feeder lines and two radiation patch are arranged at medium substrate following table Face, wherein a feeder line is corresponding with the slit in dumbbell shaped gap, two other feeder line, two radiation patch and dumbbell shaped gap Two slots are to correspond, and each radiation patch is connected with corresponding feeder line.
- The mimo antenna 2. double frequency three according to claim 1 polarizes, it is characterised in that: two are also etched on the floor Gap, two gaps are located at the two sides in dumbbell shaped gap, and are connected respectively with two slots in dumbbell shaped gap.
- The mimo antenna 3. double frequency three according to claim 1 polarizes, it is characterised in that: corresponding with the slit in dumbbell shaped gap Feeder line open end shape be circle.
- The mimo antenna 4. double frequency three according to claim 1 polarizes, it is characterised in that: described two radiation patch are Z Shape radiation patch.
- The mimo antenna 5. double frequency three according to claim 4 polarizes, it is characterised in that: each radiation patch is from medium substrate It is seen on lower surface, including two vertical sections and a horizontal segment, one of vertical section is connected with corresponding feeder line, and passes through water Flat section is connected with another vertical section.
- The mimo antenna 6. double frequency three according to claim 1 polarizes, it is characterised in that: two slots in the dumbbell shaped gap It is square groove.
- The mimo antenna 7. double frequency three according to claim 1-6 polarizes, it is characterised in that: the medium substrate and The cross sectional shape on floor is rectangle, length, width and the length on floor of medium substrate, of same size, and medium substrate Thickness is greater than the thickness on floor.
- The mimo antenna 8. double frequency three according to claim 7 polarizes, it is characterised in that: corresponding with the slit in dumbbell shaped gap Feeder line be arranged on the midline position of medium substrate lower surface width direction, and the feed end of the feeder line is located under medium substrate At the lower edge on surface.
- The mimo antenna 9. double frequency three according to claim 7 polarizes, it is characterised in that: with two radiation patch, dumbbell shapeds The feed end of one-to-one two feeder lines of two slots in gap is located at the left edge and right hand edge of medium substrate lower surface Place.
- 10. wireless telecom equipment, it is characterised in that: including the described in any item polarization of double frequencies three mimo antennas of claim 1-9.
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| CN201821131874.0U CN208385628U (en) | 2018-07-17 | 2018-07-17 | The polarization mimo antenna of double frequency three and wireless telecom equipment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109037933A (en) * | 2018-07-17 | 2018-12-18 | 华南理工大学 | The polarization mimo antenna of double frequency three and wireless telecom equipment |
| CN110707425A (en) * | 2019-10-28 | 2020-01-17 | 华南理工大学 | Large-frequency-ratio cavity-backed antenna based on SIW |
| CN112002997A (en) * | 2020-07-15 | 2020-11-27 | 中山大学 | Compact three-unit dual-polarization multi-input multi-output antenna applied to 5G |
| CN112054294A (en) * | 2020-08-03 | 2020-12-08 | 中山大学 | Compact cross-polarized twelve-unit 5G multi-input multi-output antenna |
-
2018
- 2018-07-17 CN CN201821131874.0U patent/CN208385628U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109037933A (en) * | 2018-07-17 | 2018-12-18 | 华南理工大学 | The polarization mimo antenna of double frequency three and wireless telecom equipment |
| CN109037933B (en) * | 2018-07-17 | 2023-11-14 | 华南理工大学 | Dual-frequency three-polarization MIMO antenna and wireless communication equipment |
| CN110707425A (en) * | 2019-10-28 | 2020-01-17 | 华南理工大学 | Large-frequency-ratio cavity-backed antenna based on SIW |
| CN110707425B (en) * | 2019-10-28 | 2024-04-09 | 华南理工大学 | SIW-based large-frequency-ratio back cavity antenna |
| CN112002997A (en) * | 2020-07-15 | 2020-11-27 | 中山大学 | Compact three-unit dual-polarization multi-input multi-output antenna applied to 5G |
| CN112054294A (en) * | 2020-08-03 | 2020-12-08 | 中山大学 | Compact cross-polarized twelve-unit 5G multi-input multi-output antenna |
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