CN209448013U - A kind of antenna element and array antenna applied to 5G - Google Patents
A kind of antenna element and array antenna applied to 5G Download PDFInfo
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- CN209448013U CN209448013U CN201822098090.9U CN201822098090U CN209448013U CN 209448013 U CN209448013 U CN 209448013U CN 201822098090 U CN201822098090 U CN 201822098090U CN 209448013 U CN209448013 U CN 209448013U
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- 238000010295 mobile communication Methods 0.000 description 3
- 230000028527 righting reflex Effects 0.000 description 3
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Abstract
The utility model discloses a kind of antenna element and array antenna applied to 5G, and the radiation patch in the antenna element reduces the size of antenna as four straight-flanked ring metal edge frames made of, and antenna can cover 3.4GHz the and 4.9GHz frequency range of 5G.Antenna element facilitates antenna array so that microstrip feed line will not change the frequency range that antenna is covered in symmetric position about central symmetry simultaneously.Pass through two radiating element group battle arrays, and increase Decoupling network in ground plane, so that the working frequency range of antenna is met the dual frequency characteristics of 2.98GHz-3.78GHz and 4.62GHz-5.36GHz, 3.3GHz-3.6GHz and 4.8GHz-5GHz working frequency range required by 5G can be covered；By adjusting Decoupling network, the isolation between antenna element is effectively increased, ensure that the work of array antenna；Array antenna structure is novel, simple, small in size, at low cost.
Description
Technical field
The utility model belongs to wireless communication technology field, is related to a kind of double frequency miniature antenna elements and array antenna,
More particularly to a kind of antenna element and array antenna applied to 5G.
Background technique
With the high speed development of present wireless communication system, the commercialization of the 5th third-generation mobile communication technology (5G) is all at the moment.
Antenna is as functional unit mostly important in mobile communication system, the research and design of the terminal antenna towards 5G communications applications
As hot spot in recent years.National Industrials in 2017 and informationization portion have issued " to be used about the 5th Generation Mobile Communication System
3300MHz-3600MHz and 4800MHz-5000MHz frequency range dependencies notice " China 5G business telecommunication frequency range, 5G has been determined
One of Primary Component of communication system is exactly 5G antenna system.In order to meet the high-speed transmission request message of 5G, it is therefore desirable to
Its gain is promoted at array antenna to mutiple antennas unit group formation, and is realized by multiple antennas for information carrying capacity
It is promoted.And as the array antenna for being applied to terminal device, it is desirable that antenna system is with size is small, small in size, radiation characteristic is good
Good feature.Reduce the size of array antenna by reducing antenna element interval, but with the diminution of antenna element spacing,
Mutual coupling phenomenon can be generated between antenna element, affects the working efficiency of array antenna, it is therefore desirable to be promoted between antenna element
Isolation guarantees the normal work of antenna system.
Utility model content
To solve the deficiencies in the prior art, the utility model provides a kind of antenna element and array antenna applied to 5G,
For promoting antenna gain and channel capacity, while reducing the volume and size of antenna.
The technical solution that the utility model solves the technical problem is to design a kind of antenna element applied to 5G, should
Antenna element includes radiation patch (106), microstrip feed line (107) and ground plane (108), and ground plane (108) is printed on No.1 Jie
The bottom at matter substrate (101) back side and the lower edge and arranged on left and right sides edge for covering No.1 medium substrate (101) back side；It is described
No.1 medium substrate (101) front is printed with radiation patch (106) and microstrip feed line (107), the radiation patch (106) and micro-
Ribbon feeder (107) is connected, and radiation patch (106) is on the positive top of No.1 medium substrate (101) and its surrounding does not cover No.1
The edge of medium substrate (101), one end of microstrip feed line (107) are connected to the lower section of radiation patch (106) side, the other end
It extends at the lower edge of No.1 medium substrate (101)；
The radiation patch (106) is No.1 rectangular patch (102), No. two rectangular patches (103), No. three rectangular patches
(104), No. four rectangular patches (105) are connected with each other surrounded rectangular metal frame, and rectangular metal frame is about No.1
The center line of medium substrate (101) is symmetrical；The microstrip feed line (107) be rectangle, one below rectangular metal frame
Side；The ground plane (108) is rectangle.
Further, the utility model designs a kind of array antenna applied to 5G, which includes two institutes as above
The antenna element stated and a Decoupling network, two antenna elements are symmetrical and radiation patch without in electrical contact is printed on No. two Jie
On matter substrate (200)；No. two positive two sides of medium substrate (200) are respectively No.1 radiating element (201), No. two radiating elements
(202), each radiating element includes a radiation patch and a microstrip feed line, and the microstrip feed line of two radiating elements is located at two
The inside of number medium substrate (200)；Decoupling network is printed on the back side of No. two medium substrates (200), lower end respectively with it is each
The ground plane of antenna element is connected；The Decoupling network is made of three U-shaped mutually nested connections of metal patch, and about two
Number medium substrate (200) center line is symmetrical；
The Decoupling network is located at ground plane top and by the U-shaped metal patch of No.1 (U1), No. two U-shaped metal patches (U2)
Connection composition mutually nested with No. three U-shaped metal patch (U3), the open end of three U-shaped metal patches is downward；The decoupling
Network is connected with ground plane and the center line about No. two medium substrates (200) is arranged symmetrically；One in the Decoupling network
The lower part both ends of number U-shaped metal patch (U1) are connected with the ground plane of two antenna elements respectively；In the Decoupling network
No. two U-shaped metal patches (U2) are located at the top of the U-shaped metal patch of No.1 (U1) and the two is connected, and the three of the Decoupling network
Number U-shaped metal patch (U3) is located at the top of No. two U-shaped metal patches (U2) and the two is connected；
The No.1 ground plane (204) of two antenna elements and No. two ground planes (203) are placed at a distance of 4mm, are printed on No. two
The back side of medium substrate (200).
Compared with prior art, the utility model beneficial effect is: the radiation patch in the antenna element of the utility model
It is effectively to be reduced the size of antenna as four straight-flanked ring metal edge frames made of, ensure that antenna can cover 5G's
3.4GHz and 4.9GHz frequency range.Antenna element is about central symmetry simultaneously, so that microstrip feed line will not change in symmetric position
The frequency range that change of weather line is covered, can facilitate antenna array.Increase decoupling net by two radiating element group battle arrays, and in ground plane
Network makes the working frequency range of antenna meet the dual frequency characteristics of 2.98GHz-3.78GHz and 4.62GHz-5.36GHz, can cover
3.3GHz-3.6GHz and 4.8GHz-5GHz working frequency range required by 5G；By adjusting Decoupling network, antenna is effectively increased
Isolation between unit ensure that the work of array antenna；Array antenna structure is novel, simple, small in size, at low cost.
Detailed description of the invention
Fig. 1 is a kind of positive structure schematic of embodiment of antenna element that the utility model is applied to 5G.
Fig. 2 is a kind of structure schematic diagram of embodiment of antenna element that the utility model is applied to 5G.
Fig. 3 is the return loss plot figure in the utility model embodiment 1 applied to the antenna element of 5G.
Fig. 4 is the voltage standing wave ratio curve graph in the utility model embodiment 1 applied to the antenna element of 5G.
Fig. 5 is antenna pattern of the antenna element in 3.4GHz for being applied to 5G in the utility model embodiment 1.
Fig. 6 is antenna pattern of the antenna element in 4.9GHz for being applied to 5G in the utility model embodiment 1.
Fig. 7 is a kind of positive structure schematic of embodiment of array antenna that the utility model is applied to 5G.
Fig. 8 is a kind of structure schematic diagram of embodiment of array antenna that the utility model is applied to 5G.
Fig. 9 is Decoupling network structural schematic diagram of the utility model applied to a kind of embodiment of array antenna of 5G.
Figure 10 is the return loss plot figure in the utility model embodiment 2 applied to the array antenna of 5G.
Figure 11 is in the utility model embodiment 2 applied to righting reflex curve graph between the unit of the array antenna of 5G.
Figure 12 is the voltage standing wave ratio curve graph in the utility model embodiment 2 applied to the array antenna of 5G.
Figure 13 is antenna pattern of the array antenna in 3.4GHz for being applied to 5G in the utility model embodiment 2.
Figure 14 is antenna pattern of the array antenna in 4.9GHz for being applied to 5G in the utility model embodiment 2.
Figure 15 is the peak gain figure in the utility model embodiment 2 applied to the array antenna of 5G.
Specific embodiment
Below with reference to examples and drawings, the utility model is described in further detail.
The utility model provides a kind of antenna element (abbreviation antenna element, referring to Fig. 1-2) applied to 5G, including radiation
Patch 106, microstrip feed line 107 and ground plane 108, ground plane 108 are printed on the bottom at 101 back side of No.1 medium substrate and covering
The lower edge and arranged on left and right sides edge at 101 back side of No.1 medium substrate；101 front of No.1 medium substrate is printed with radiation
Patch 106 and microstrip feed line 107, the radiation patch 106 are connected with microstrip feed line 107, and radiation patch 106 is in No.1 medium base
The positive top of plate 101 and its surrounding do not cover the edge of No.1 medium substrate 101, and one end of microstrip feed line 107 is connected to spoke
The lower section of 106 side of patch is penetrated, the other end extends at the lower edge of No.1 medium substrate 101；
The radiation patch 106 is the rectangular patch 103, three of No.1 rectangular patch 102, two rectangular patch 104, four
Number rectangular patch 105 is connected with each other surrounded rectangular metal frame, and rectangular metal frame is about No.1 medium substrate 101
Center line it is symmetrical；The microstrip feed line 107 is rectangle, the side below rectangular metal frame；The ground plane 108
For rectangle.
The length and width of the No.1 rectangular patch 102 and No. three rectangular patches 104 is equal, about No.1 medium substrate
101 center lines are positioned opposite, are in symmetrical structure；The equal length of No. two rectangular patches 103 and No. four rectangular patches 105,
Width etc., what wherein width was big is located at the small lower section of width；
Further, the utility model provides a kind of array antenna (abbreviation array antenna, referring to Fig. 7-applied to 5G
9), which includes two antenna elements and a Decoupling network as described above, and two antenna elements are symmetrical and radiate
Patch is printed on No. two medium substrates 200 without in electrical contact, and No. two positive two sides of medium substrate 200 are respectively No.1 spoke
201, No. two radiating elements 202 of unit are penetrated, each radiating element includes a radiation patch and a microstrip feed line, two radiation
The microstrip feed line of unit is located at the inside (being outer with medium substrate arranged on left and right sides edge orientations) of No. two medium substrates 200.Decoupling
Network printing is connected with the ground plane of each antenna element respectively in the back side of No. two medium substrates 200, lower end.The solution
Coupling network is made of three U-shaped mutually nested connections of metal patch, and symmetrical about No. two 200 center lines of medium substrate；Pass through
The increased minor matters of Decoupling network institute, can effectively improve the isolation between antenna element.
The Decoupling network is located at ground plane top and by the U-shaped metal patch U1 of No.1, No. two U-shaped metal patch U2 and three
Number U-shaped mutually nested connection composition of metal patch U3, the open end of three U-shaped metal patches is downward；The Decoupling network with
Ground plane is connected and the center line about No. two medium substrates 200 is arranged symmetrically；The U-shaped metal of No.1 in the Decoupling network
The lower part both ends of patch U1 are connected with the ground plane of two antenna elements respectively；No. two U-shaped metals in the Decoupling network
Patch U2 is located at the top of No.1 U type metal patch U1 and the two is connected, No. three U-shaped metal patches of the Decoupling network
U3 is located at the top of No. two U-shaped metal patch U2 and the two is connected.
Embodiment 1
The present embodiment 1 provides a kind of antenna element applied to 5G, including radiation patch 106, microstrip feed line 107 and connects
Ground 108, ground plane 108 are printed under the bottom at 101 back side of No.1 medium substrate and covering 101 back side of No.1 medium substrate
Edge and arranged on left and right sides edge；101 front of No.1 medium substrate is printed with radiation patch 106 and microstrip feed line 107, institute
It states radiation patch 106 to be connected with microstrip feed line 107, radiation patch 106 is in the positive top of No.1 medium substrate 101 and its surrounding
The edge of No.1 medium substrate 101 is not covered, one end of microstrip feed line 107 is connected to the lower section of 106 side of radiation patch,
The other end extends at the lower edge of No.1 medium substrate 101；
The radiation patch 106 is the rectangular patch 103, three of No.1 rectangular patch 102, two rectangular patch 104, four
Number rectangular patch 105 is connected with each other surrounded rectangular metal frame, and rectangular metal frame is about No.1 medium substrate 101
Center line it is symmetrical；The microstrip feed line 107 is rectangle, the side below rectangular metal frame；The ground plane 108
For rectangle.
The length and width of the No.1 rectangular patch 102 and No. three rectangular patches 104 is equal, about No.1 medium substrate
101 center lines are positioned opposite, are in symmetrical structure；The equal length of No. two rectangular patches 103 and No. four rectangular patches 105,
Width etc., what wherein width was big is located at the small lower section of width；
The shape of No.1 medium substrate 101 is rectangle in the present embodiment, and material is polytetrafluoroethylene (PTFE) (PTFE), is situated between
Electric constant is 3.5, and the length, width and height size of No.1 medium substrate 101 is 19mm × 34mm × 1.6mm；
The radiation patch 106 is by the rectangular patch 103, three of No.1 rectangular patch 102, two 104 and of rectangular patch
No. four rectangular patches 105 are connected with each other composition composition.The size of the length ab of the No.1 rectangular patch 102 is 20mm, width
The size of bd is 5mm；The size of the length cf of No. two rectangular patches 103 is 16mm, and the size of width fg is 0.5mm；Institute
The size for stating the length gh of No. three rectangular patches 104 is 20mm, and the size of width e g is 5mm；No. four rectangular patches 105
The size of length kj be 16mm, the size of width hj is 1mm；
The length and width dimensions of the microstrip feed line 107 are 4.5mm × 11mm, and 107 center line of microstrip feed line is apart from No.1
Medium substrate 101 center line distance is 4mm, the microstrip feed line 4mm or right side on the left of 101 center line of No.1 medium substrate
Side 4mm does not influence operating frequency of antenna；
The length and width dimensions of the ground plane 108 are 19mm × 11mm；
Fig. 3 is the return loss plot of the present embodiment antenna element, and antenna element is in 3.04GHz- as seen from Figure 3
In 4.94GHz and 4.52GHz-5.48GHz frequency range return loss be less than -10dB, this enable antenna element work
3.04GHz-4.94GHz with 4.52GHz-5.48GHz frequency range, echo in 3.3GHz-3.6GHz and 4.8GHz-5.0GHz frequency range
Loss is greater than -10dB, this enables antenna element to operate effectively in 5G frequency range.
Fig. 4 is the voltage standing wave ratio curve graph of the present embodiment antenna element, as can be seen from the figure in above-mentioned return loss
The voltage standing wave ratio of frequency range internal antenna unit less than -10dB is respectively less than 2, meets engine request.
Fig. 5 and Fig. 6 is the present embodiment antenna element corresponding antenna element in frequency 3.4GHz and 4.9GHz respectively
Directional diagram, E/H refers to electric field or magnetic field in figure, and as can be seen from the figure the antenna element antenna pattern of the present embodiment is in the face H
There is good directionality with the face E.
The utility model antenna element have it is small in size, structure is simple, and working frequency range is wide, can be suitable for 5G system, make
For antenna element, operative orientation is good, small in size, is conducive to a group battle array, forms array antenna.
Embodiment 2
The array antenna (referring to Fig. 7-9) that the present embodiment provides a kind of applied to 5G, the array antenna include two as above
The antenna element and a Decoupling network, two antenna elements are symmetrical and radiation patch without in electrical contact is printed on No. two
On medium substrate 200, No. two positive two sides of medium substrate 200 are respectively 201, No. two radiating elements 202 of No.1 radiating element,
Each radiating element includes a radiation patch and a microstrip feed line, and the microstrip feed line of two radiating elements is located at No. two media
The inside (being outer with medium substrate arranged on left and right sides edge orientations) of substrate 200.Decoupling network is printed on No. two medium substrates 200
The back side, lower end is connected with the ground plane of each antenna element respectively.The Decoupling network is by three U-shaped metal patch phases
Mutual nested encryptions composition, and it is symmetrical about No. two 200 center lines of medium substrate；It, can by the increased minor matters of Decoupling network institute
The effective isolation improved between antenna element.
The Decoupling network (referring to Fig. 9) is located at ground plane top and by the U-shaped metal patch U1 of No.1, No. two U-shaped metals
Patch U2 and No. three U-shaped mutually nested connection compositions of metal patch U3, the open end of three U-shaped metal patches is downward；It is described
Decoupling network is connected with ground plane and the center line about No. two medium substrates 200 is arranged symmetrically；In the Decoupling network
The lower part both ends of the U-shaped metal patch U1 of No.1 are connected with the ground plane of two antenna elements respectively；In the Decoupling network
No. two U-shaped metal patch U2 are located at the top of the U-shaped metal patch U1 of No.1 and the two is connected, No. three U of the Decoupling network
Type metal patch U3 is located at the top of No. two U-shaped metal patch U2 and the two is connected.It, can be effective by increasing Decoupling network
Improve antenna element between isolation.
The shape of No. two medium substrates 200 is rectangle in the present embodiment, and material is polytetrafluoroethylene (PTFE) (PTFE), dielectric
Constant is 3.5, and the length, width and height size of No. two medium substrates 200 is 42mm × 34mm × 1.6mm.
The No.1 ground plane 204 of two antenna elements and No. two ground planes 203 are placed at a distance of 4mm, are printed on No. two media
The back side of substrate 200；201, No. two radiating elements 202 of the No.1 radiating element and No.1 ground plane 204 and No. two ground connection
The size in face 203 is the same as embodiment 1；
The U-shaped metal patch U1 of No.1 is made of two No. five rectangular patch U101 and No. six rectangular patch U102,
No. five rectangular patch U101 of two of them are symmetrically placed about No. two 200 center lines of medium substrate, and No. six rectangular patch U102
In the top of two No. five rectangular patch U101, two ends of No. six rectangular patch U102 and two No. five rectangular patch U101
Outside be aligned respectively；The length and width dimensions of No. six rectangular patch U102 are 25mm × 0.5mm, the length of No. five rectangular patch U101
Width is having a size of 0.5mm × 2.1mm；The distance between two No. five rectangular patch U101 are 24mm；The rectangular patch of right side five
The upper left side end-point distances mn of U101 and No.1 ground plane 204 is 10mm.
No. two U-shaped metal patch U2 are made of two No. seven rectangular patch U201 and No. eight rectangular patch U202,
In two No. seven rectangular patch U201 it is symmetrically placed about No. two 200 center lines of medium substrate, No. eight rectangular patch U202 are located at
The top of two No. seven rectangular patch U201, two ends of No. eight rectangular patch U202 are with two No. seven rectangular patch U201's
Outside is aligned respectively；The distance op of right side No. five rectangular patch U101 of No. seven rectangular patch U201 distances is 8.9mm；No. seven squares
The length and width dimensions of shape patch U201 are 0.5mm × 2mm, and the length and width dimensions of No. eight rectangular patch U202 are 7.2mm × 0.4mm.
No. three U-shaped metal patch U3 are symmetrical about No. two 200 center lines of medium substrate, by two No. nine rectangular patch U301
It is constituted with a No. ten rectangular patch U302, No. nine rectangular patch U301 of two of them are about No. two 200 center lines of medium substrate
Symmetrically placed, No. ten rectangular patch U302 are located at the top of two No. nine rectangular patch U301, and the two of No. ten rectangular patch U302
End is aligned respectively with the outside of two No. nine rectangular patch U301；The length and width dimensions of No. nine rectangular patch U301 be 0.1mm ×
The length and width dimensions of 7.1mm, No. ten rectangular patch U302 are 7.2mm × 0.3mm.
Figure 10 is the return loss plot of the present embodiment array antenna, and array antenna is in 2.98GHz- as seen from Figure 10
Return loss is less than -10dB in 3.78GHz and 4.62GHz-5.36GHz frequency range, and Figure 11 is between the present embodiment array antenna unit
Righting reflex curve, as seen from Figure 11 array antenna in 3.25GHz-3.67GHz and 4.82GHz-5.15GHz frequency range just
It is lower than -15dB to reflection coefficient；This enables array antenna to work in 3.25GHz-3.67GHz and 4.82GHz-
5.15GHz frequency range, return loss is greater than -10dB in 3.3GHz-3.6GHz and 4.8GHz-5.0GHz frequency range, between antenna element
Righting reflex coefficient is lower than -15dB, this enables array antenna to operate effectively in 5G frequency range；
Figure 12 is the voltage standing wave ratio curve graph of the present embodiment array antenna, as can be seen from the figure in above-mentioned return loss
The voltage standing wave ratio of array antenna is respectively less than 2 in frequency range less than -10dB, meets engine request；
Figure 13 and Figure 14 is the present embodiment array antenna corresponding antenna in frequency 3.4GHz and 4.9GHz respectively
Directional diagram, E/H refers to electric field or magnetic field in figure, and as can be seen from the figure the array antenna antenna pattern of the present embodiment is in H mask
There is omni-directional, there is good directionality in the face E, this is because the array antenna is since two antenna elements are about center
Line is symmetrically placed, can be superimposed on radiation direction field when double antenna work, form omni-directional radiation；
Figure 15 is the peak gain figure of this implementation array antenna, and abscissa is frequency in Figure 15, and ordinate is gain size,
As can be seen from Figure 15 array antenna gain in 3.4GHz-3.6GHz and 4.8GHz-5GHz frequency range is all larger than 4.5dB, says
The gain with higher in working frequency range of bright array antenna；
The utility model array antenna have it is small in size, structure is simple, by the use of Decoupling network, can be substantially reduced
Distance between antenna guarantees that two antenna elements can work normally, and passes through the symmetrically placed of two antennas, is formed good
Omnidirectional radiation characteristic.
The utility model does not address place and is suitable for the prior art.
Claims (4)
1. a kind of antenna element applied to 5G, which is characterized in that the antenna element includes radiation patch (106), microstrip feed line
(107) and ground plane (108), ground plane (108) are printed on the bottom at No.1 medium substrate (101) back side and covering No.1 medium
The lower edge and arranged on left and right sides edge at substrate (101) back side；No.1 medium substrate (101) front is printed with radiation patch
(106) it is connected with microstrip feed line (107), the radiation patch (106) with microstrip feed line (107), radiation patch (106) is in No.1
The positive top of medium substrate (101) and its surrounding do not cover the edge of No.1 medium substrate (101), microstrip feed line (107)
One end is connected to the lower section of radiation patch (106) side, and the other end extends at the lower edge of No.1 medium substrate (101)；
The radiation patch (106) be No.1 rectangular patch (102), No. two rectangular patches (103), No. three rectangular patches (104),
No. four rectangular patches (105) are connected with each other surrounded rectangular metal frame, and rectangular metal frame is about No.1 medium base
The center line of plate (101) is symmetrical；The microstrip feed line (107) is rectangle, the side below rectangular metal frame；Described
Ground plane (108) is rectangle；
The length and width of the No.1 rectangular patch (102) and No. three rectangular patches (104) is equal, about No.1 medium substrate
(101) center line is positioned opposite, is in symmetrical structure；The length of No. two rectangular patches (103) and No. four rectangular patches (105)
Equal, width differs, and what wherein width was big is located at the small lower section of width；
The radiation patch (106) is by No.1 rectangular patch (102), No. two rectangular patches (103), No. three rectangular patches
(104) and No. four rectangular patches (105) are connected with each other composition；The length dimension of the No.1 rectangular patch (102) is 20mm, wide
Degree is having a size of 5mm；The length dimension of No. two rectangular patches (103) is 16mm, width dimensions 0.5mm；No. three squares
The length dimension of shape patch (104) is 20mm, width dimensions 5mm；The length dimension of No. four rectangular patches (105) is
16mm, width dimensions 1mm；
The length and width dimensions of the microstrip feed line (107) are 4.5mm × 11mm, and microstrip feed line (107) center line is apart from No.1
Medium substrate (101) center line distance is 4mm；The length and width dimensions of the ground plane (108) are 19mm × 11mm.
2. a kind of antenna element applied to 5G according to claim 1, which is characterized in that No.1 medium substrate (101)
Shape be rectangle, length, width and height size is 19mm × 34mm × 1.6mm；Its material is polytetrafluoroethylene (PTFE), and dielectric constant is
3.5。
3. a kind of array antenna applied to 5G, which is characterized in that the array antenna includes two days as described in claim 1
Line unit and a Decoupling network, two antenna elements are symmetrical and radiation patch without in electrical contact is printed on No. two medium substrates
(200) on；No. two positive two sides of medium substrate (200) are respectively No.1 radiating element (201), No. two radiating elements (202),
Each radiating element includes a radiation patch and a microstrip feed line, and the microstrip feed line of two radiating elements is located at No. two media
The inside of substrate (200)；Decoupling network is printed on the back side of No. two medium substrates (200), lower end respectively with each antenna list
The ground plane of member is connected；The Decoupling network is made of three U-shaped mutually nested connections of metal patch, and about No. two media
Substrate (200) center line is symmetrical；
The Decoupling network is located at ground plane top and by the U-shaped metal patch of No.1 (U1), No. two U-shaped metal patches (U2) and three
Number U-shaped mutually nested connection composition of metal patch (U3), the open end of three U-shaped metal patches is downward；The Decoupling network
It is connected with ground plane and the center line about No. two medium substrates (200) is arranged symmetrically；No.1 is U-shaped in the Decoupling network
The lower part both ends of metal patch (U1) are connected with the ground plane of two antenna elements respectively；No. two U in the Decoupling network
Type metal patch (U2) is located at the top of the U-shaped metal patch of No.1 (U1) and the two is connected, and No. three of the Decoupling network are U-shaped
Metal patch (U3) is located at the top of No. two U-shaped metal patches (U2) and the two is connected；
The No.1 ground plane (204) of two antenna elements and No. two ground planes (203) are placed at a distance of 4mm, are printed on No. two media
The back side of substrate (200)；
The U-shaped metal patch of No.1 (U1) is made of two No. five rectangular patches (U101) and No. six rectangular patches (U102),
No. five rectangular patches (U101) of two of them are symmetrically placed about No. two medium substrate (200) center lines, No. six rectangular patches
(U102) it is located at the top of two No. five rectangular patches (U101), two ends of No. six rectangular patches (U102) and two No. five squares
The outside of shape patch (U101) is aligned respectively；The length and width dimensions of No. six rectangular patches (U102) are 25mm × 0.5mm, No. five rectangles
The length and width dimensions of patch (U101) are 0.5mm × 2.1mm；The distance between two No. five rectangular patches (U101) are 24mm；It is right
The upper left side end-point distances of the rectangular patch (U101) of side five and No.1 ground plane (204) are 10mm；
No. two U-shaped metal patches (U2) are made of two No. seven rectangular patches (U201) and No. eight rectangular patches (U202),
No. seven rectangular patches (U201) of two of them are symmetrically placed about No. two medium substrate (200) center lines, No. eight rectangular patches
(U202) it is located at the top of two No. seven rectangular patches (U201), two ends of No. eight rectangular patches (U202) and two No. seven squares
The outside of shape patch (U201) is aligned respectively；The distance of No. seven rectangular patch (U201) No. five rectangular patches (U101) of distance in right side
For 8.9mm；The length and width dimensions of No. seven rectangular patches (U201) are 0.5mm × 2mm, the length and width dimensions of No. eight rectangular patches (U202)
For 7.2mm × 0.4mm；
No. three U-shaped metal patches (U3) are symmetrical about No. two medium substrate (200) center lines, by two No. nine rectangular patches
(U301) it is constituted with No. ten rectangular patch (U302), No. nine rectangular patches (U301) of two of them are about No. two medium substrates
(200) center line is symmetrically placed, and No. ten rectangular patches (U302) are located at the top of two No. nine rectangular patches (U301), No. ten squares
Two ends of shape patch (U302) are aligned respectively with the outside of two No. nine rectangular patches (U301)；No. nine rectangular patches (U301)
Length and width dimensions be 0.1mm × 7.1mm, the length and width dimensions of No. ten rectangular patches (U302) are 7.2mm × 0.3mm.
4. a kind of array antenna applied to 5G according to claim 3, which is characterized in that No. two medium substrates (200)
Shape be rectangle, length, width and height size is 42mm × 34mm × 1.6mm；Its material is polytetrafluoroethylene (PTFE), and dielectric constant is
3.5。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822098090.9U CN209448013U (en) | 2018-12-14 | 2018-12-14 | A kind of antenna element and array antenna applied to 5G |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201822098090.9U CN209448013U (en) | 2018-12-14 | 2018-12-14 | A kind of antenna element and array antenna applied to 5G |
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| CN209448013U true CN209448013U (en) | 2019-09-27 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109390690A (en) * | 2018-12-14 | 2019-02-26 | 河北工业大学 | A kind of antenna element and array antenna applied to 5G |
| CN112467378A (en) * | 2020-11-19 | 2021-03-09 | 山西大学 | Dual-band MIMO antenna based on decoupling surface of array antenna |
-
2018
- 2018-12-14 CN CN201822098090.9U patent/CN209448013U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109390690A (en) * | 2018-12-14 | 2019-02-26 | 河北工业大学 | A kind of antenna element and array antenna applied to 5G |
| CN109390690B (en) * | 2018-12-14 | 2023-11-10 | 河北工业大学 | Antenna unit and array antenna applied to 5G |
| CN112467378A (en) * | 2020-11-19 | 2021-03-09 | 山西大学 | Dual-band MIMO antenna based on decoupling surface of array antenna |
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