CN109509980A - Mix multibeam antenna - Google Patents
Mix multibeam antenna Download PDFInfo
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- CN109509980A CN109509980A CN201811647846.9A CN201811647846A CN109509980A CN 109509980 A CN109509980 A CN 109509980A CN 201811647846 A CN201811647846 A CN 201811647846A CN 109509980 A CN109509980 A CN 109509980A
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- 239000011159 matrix material Substances 0.000 claims abstract description 51
- 230000005855 radiation Effects 0.000 claims description 14
- 230000004927 fusion Effects 0.000 abstract description 17
- 238000010586 diagram Methods 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/061—Two dimensional planar arrays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
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- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The application discloses a kind of mixing multibeam antenna, including aerial array and duplexer mould group；Radiating element subarray includes several radiating elements；Duplexer mould group includes several duplexer submodule groups；Duplexer submodule group includes at least one duplexer；Duplexer includes combining port, the first frequency range port and the second frequency range port；It is combined port and connects radiating element；It further include first antenna feeding network, several second antenna feeding networks and several butler matrix units；Butler matrix unit includes the first side ports and several second side ports, and the first side ports connect first antenna feeding network, and each second side ports are corresponded with each first frequency range port of duplexer submodule group to be connected；Each second antenna feeding network is corresponded with each second frequency range port of duplexer submodule group to be connected.Radiating element is divided into the port of two different operating frequency ranges by using duplexer, is greatly reduced the volume of fusion antenna.
Description
Technical field
The present invention relates to mobile communication technology fields, more particularly to a kind of mixing multibeam antenna.
Background technique
With the development of mobile communication technology, multibeam antenna (including two-beam antenna) has become the important of sector dilatation
One of means.Meanwhile needing to carry out 4T4R (4 transmittings 4 receive) even 8T8R using conventional 65 ° of antennas in certain frequency range operators
(8 transmittings 8 receive) covering, therefore demand one kind can support the antenna of conventional 65 ° with multi-beam sector splitting function simultaneously.
During realization, inventor has found that at least there are the following problems in traditional technology: traditional 65 ° of antennas and more waves
The fusion antenna of beam antenna, usually using by above and below two different antenna arrays or left-right layout is put and designed, but antenna
Volume is excessive, occupies excessive terrace resource, and wind load is excessive and preponderance.
Summary of the invention
Based on this, it is necessary to which, in traditional fusion antenna, the excessive problem of antenna volume provides a kind of more waves of mixing
Beam antenna.
To achieve the goals above, the embodiment of the invention provides a kind of mixing multibeam antenna, including aerial array and
Duplexer mould group；Aerial array includes several row's radiating element subarrays；Radiating element subarray includes several radiating elements；
Duplexer mould group includes several duplexer submodule groups, and each duplexer submodule group corresponds phase with each radiating element subarray
Even；Duplexer submodule group includes at least one duplexer；Duplexer includes combining port, the first frequency range port and the second frequency range end
Mouthful；It is combined port and connects radiating element；
It further include first antenna feeding network, several second antenna feeding networks and several butler matrix units；
Each butler matrix unit is connected with each duplexer submodule group one-to-one correspondence；If butler matrix unit include the first side ports and
Dry the second side ports, the first side ports connect first antenna feeding network, and each second side ports are each with duplexer submodule group
First frequency range port, which corresponds, to be connected；Each second frequency range port of each second antenna feeding network and duplexer submodule group is one by one
It is corresponding to be connected.
First antenna feeding network is dualbeam feeding network or multi-beam feeding network in one of the embodiments,.
The second antenna feeding network is 65 ° of antenna feeding networks in one of the embodiments,.
The first frequency range port is low-frequency range port in one of the embodiments,；Second frequency range port is high band port；
Connect each duplexer of same row radiating element the second frequency range port, with the second antenna feeding network successively phase
Even.
The first frequency range port is high band port in one of the embodiments,；Second frequency range port is low-frequency range port；
The the second frequency range port for connecting each duplexer of same row radiating element is based on being cross-linked rule and the second antenna
Feeding network is connected；Rule is cross-linked as in the two neighboring duplexer of connection same row radiating element, at most one double
Second frequency range port of work device connects the second antenna feeding network.
The band limits of low-frequency range port is 1400-2200MHz, the frequency of high band port in one of the embodiments,
Segment limit is 2490-2690MHz；
Or
The band limits of low-frequency range port is 1400-1520MHz, and the band limits of high band port is 1690-
2690MHz。
Duplexer is frequency division duplex device in one of the embodiments,.
Radiating element is broadband radiation unit in one of the embodiments,.
The column pitch in aerial array between radiating element is radiating element working frequency range in one of the embodiments,
The half wavelength of center frequency point.
The working frequency range of radiating element is 1400-2690MHz in one of the embodiments,.
A technical solution in above-mentioned technical proposal is had the following advantages and beneficial effects:
It is connected based on each duplexer submodule group with each radiating element subarray one-to-one correspondence, the combining port of duplexer and spoke
Unit is penetrated, the first frequency range port of duplexer is connected with the second side ports of butler matrix unit, the second frequency range of duplexer
Port and the second antenna feeding network；First side ports of butler matrix unit connect first antenna feeding network.And then it can
The first electric signal is passed through into the corresponding radiating element of duplexer feed-in by first antenna feeding network；It is fed by the second antenna
Second electric signal is successively passed through butler matrix unit and the corresponding radiating element of duplexer feed-in by network, realizes aerial array
Multiplexing.Aerial array is divided into port (the first frequency range port and second of two different operating frequency ranges by using duplexer
Frequency range port), realize the fusion of different antennae, while being greatly reduced antenna volume, and then reduce the terrace money of occupancy
Source reduces wind load and reduces antenna weights.
Detailed description of the invention
Fig. 1 is the first structure diagram that multibeam antenna is mixed in one embodiment；
Fig. 2 is the second structural schematic diagram that multibeam antenna is mixed in one embodiment；
Fig. 3 is the third structural schematic diagram that multibeam antenna is mixed in one embodiment；
Fig. 4 is the 4th structural schematic diagram that multibeam antenna is mixed in one embodiment；
Fig. 5 is the 5th structural schematic diagram that multibeam antenna is mixed in one embodiment；
Fig. 6 is the 6th structural schematic diagram that multibeam antenna is mixed in one embodiment；
Fig. 7 is the 6th structural schematic diagram that multibeam antenna is mixed in one embodiment.
Specific embodiment
The application in order to facilitate understanding is described more fully the application below with reference to relevant drawings.In attached drawing
Give the preferred embodiment of the application.But the application can realize in many different forms, however it is not limited to this paper institute
The embodiment of description.On the contrary, purpose of providing these embodiments is make it is more thorough and comprehensive to disclosure of this application.
Unless otherwise defined, all technical and scientific terms used herein and the technical field for belonging to the application
The normally understood meaning of technical staff is identical.The term used in the description of the present application is intended merely to description tool herein
The purpose of the embodiment of body, it is not intended that in limitation the application.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
In order to solve in traditional fusion antenna, the excessive problem of antenna volume, it is mixed that the embodiment of the invention provides one kind
Multibeam antenna is closed, Fig. 1 is the first structure diagram that multibeam antenna is mixed in one embodiment.As shown in Figure 1, including day
Linear array 11 and duplexer mould group 13；Aerial array 11 includes several row's radiating element subarrays 110；Radiating element subarray
110 include several radiating elements 112；Duplexer mould group 13 includes several duplexer submodule groups 130, each duplexer submodule group
130 are connected with each radiating element subarray 110 one-to-one correspondence；Duplexer submodule group 130 includes at least one duplexer 132；It is double
Work device 132 includes combining port, the first frequency range port and the second frequency range port；It is combined port and connects radiating element 112.
Above-mentioned mixing multibeam antenna further includes first antenna feeding network 15,17 and of several second antenna feeding networks
Several butler matrix units 19；Each butler matrix unit 19 is connected with each duplexer submodule group 130 one-to-one correspondence；Bart
Strangling matrix unit 19 includes the first side ports and several second side ports, and the first side ports connect first antenna feeding network
15, each second side ports are corresponded with each first frequency range port of duplexer submodule group 130 to be connected；Each second antenna transmission network
Network 17 is corresponded with each second frequency range port of duplexer submodule group 130 to be connected.
Wherein, aerial array 11 refers to being rearranged by multiple identical radiating elements (array element) according to certain rule
Aerial system battle array；The number of rows (i.e. line number) and columns of aerial array 11 can be multiple；Each row of aerial array 11 may include more
A radiating element 112, each column of aerial array 11 may include multiple radiating elements 112；Radiating element 112 refers to capable of having
Effect radiation or the device for receiving radio wave.Radiating element subarray 110 is referred to by row's radiating element in aerial array
Composition.Duplexer mould group 13 can be made of multiple duplexer submodule groups 130, and duplexer submodule group 130 can be by least one duplex
Device 132 forms.Duplexer 132 can be used to emit signal and receive signal to be isolated, and duplexer 132 can transmit different frequency range
Signal.First frequency range port of duplexer 132 can be used to transmit the signal that working frequency range is the first frequency range；The of duplexer 132
Two frequency range ports can be used to transmit the signal that working frequency range is the second frequency range；The combining port of duplexer 132 can be used to corresponding
Magnitude unit 112 feed；The combining port of duplexer 132 also can receive the signal that radiating element 112 is sent, and pass through respectively
First frequency range port and the second frequency range port transmission.First antenna feeding network 15 can be used to work to 112 feed-in of radiating element
Frequency range is the signal of the first frequency range；Second antenna feeding network 17 can be used to think that 112 feed-in working frequency range of radiating element is second
The signal of frequency range.Butler matrix unit 19 refers to the modular unit of Butler matrix structure, and butler matrix unit 19 can
For multiple beam forming network, so that the aerial array being connected forms the wave beam being differently directed.In one example, Butler
Matrix unit 19 can be made of directional coupler circuit, power divider circuit and fixed phase shifter circuit.
Specifically, duplexer submodule group 130 is for connecting radiating element subarray 110, by each duplexer submodule group 130 with
Each radiating element subarray 110, which corresponds, to be connected；Butler matrix unit 19, will be each for connecting duplexer submodule group 130
Butler matrix unit 19 is connected with each duplexer submodule group 130 one-to-one correspondence.The duplexer that duplexer submodule group 130 includes
132 combining port is connected with the radiating element 112 of corresponding radiating element subarray 110.The first of butler matrix unit 19
Side ports connect first antenna feeding network 15, each second side ports and duplexer submodule group of butler matrix unit 19
First frequency range port of the 130 each duplexers 132 for including, which corresponds, to be connected；Each duplexer that duplexer submodule group includes
The second frequency range port and each second antenna feeding network one-to-one correspondence be connected.And then first antenna feeding network 15 can be passed through
The electric signal of first frequency range is passed sequentially through into butler matrix unit 19 and duplexer 132 is transferred to radiating element 112；Pass through
The electric signal of second frequency range is transferred to radiating element 112 by duplexer 132 by two antenna feeding networks 17, realizes aerial array
Meet unlike signal covering to require.
Further, radiating element 112 can be by the signal received by the frequency dividing output of duplexer 132, by the first frequency range
Signal first antenna feeding network 15 is transferred to by butler matrix unit 19, the signal of that the second frequency range is transferred to
Second antenna feed element 17 realizes the fusion multiplexing of different type antenna.
In above-mentioned mixing multibeam antenna, it is based on each duplexer submodule group 130 and each radiating element subarray 110 one by one
It is corresponding to be connected, the combining port of duplexer 132 and radiating element 112, the first frequency range port of duplexer 132 and butler matrix
Second side ports of unit 19 are connected, the second frequency range port of duplexer 132 and the second antenna feeding network 17；Butler matrix
First side ports of unit 19 connect first antenna feeding network 15.And then it can be electric by first by first antenna feeding network 15
Signal passes through the corresponding radiating element 112 of 132 feed-in of duplexer；By the second antenna feeding network 17 by the second electric signal successively
By the radiating element 112 corresponding with 132 feed-in of duplexer of butler matrix unit 19, aerial array multiplexing is realized.By adopting
Aerial array 11 is divided into port (the first frequency range port and the second frequency range end of two different operating frequency ranges with duplexer 132
Mouthful), it realizes the fusion of different antennae, while being greatly reduced antenna volume, and then reduce the terrace resource of occupancy, reduces
Wind load and reduce antenna weights；And then realize antenna miniaturization, reduce cost.
In one embodiment, first antenna feeding network is dualbeam feeding network or multi-beam feeding network.
Wherein, dualbeam feeding network refers to generate the feeding network of two out of phase differences, and then can make
It obtains aerial array and generates two different wave beams.Multi-beam feeding network refers to generate the feed of multiple and different phase differences
Network, and then aerial array is enabled to generate multiple and different wave beams.
For example, dualbeam feeding network may include the first wave beam when first antenna feeding network is dualbeam feeding network
Feeding network and the second wave beam feeding network, by the first wave beam feeding network and the second wave beam feeding network respectively to Butler
Matrix unit feed, and then butler matrix unit is fed by duplexer to radiating element, realizes the double wave in aerial array
The covering of beam signal.When first antenna feeding network is multi-beam feeding network, multi-beam feeding network may include multiple wave beam feedbacks
Electric network, each wave beam feeding network can be fed to butler matrix unit respectively, and then butler matrix unit passes through duplex
Device is fed to radiating element, realizes the multibeam signals covering in aerial array.
In one embodiment, the second antenna feeding network is 65 ° of antenna feeding networks.
Wherein, 65 ° of antenna feeding networks can be used to the feeding network fed to 65 ° of antennas；65 ° of antennas refer to horizontal wave
The antenna that valve angle is 65 degree.
Specifically, the second frequency range port based on 65 ° of antenna feeding network connection duplexers, and then 65 ° of antenna transmission networks
Network is fed by duplexer to radiating element, and the signal for realizing that the horizontal lobe angle in aerial array is 65 degree covers, in turn
Realize 3 sector coverage antennas.
Further, first antenna feeding network is dualbeam feeding network (or multi-beam feeding network), the second antenna
When feeding network is 65 ° of antenna feeding networks, the first frequency range port of duplexer connects dualbeam by butler matrix unit
Feeding network；65 ° of antenna feeding networks are connected by the second frequency range port of duplexer.Multiplex mode based on aerial array,
Aerial array is cut by two different frequency ranges using duplexer, realizes the antenna that merges of 65 ° of antennas with two-beam antenna, in turn
It realizes antenna miniaturization, reduces antenna volume.
In one embodiment, duplexer is frequency division duplex device.Wherein, frequency division duplex device can be used to transmit different frequency range
Signal, by frequency division duplex device can the radiating element frequency range in aerial array be divided into the first frequency range and the second frequency range, Jin Ertong
The signal of the first frequency range can be transmitted by crossing the first frequency range port, and the signal of the second frequency range can be transmitted by the second frequency range port.Pass through
The working frequency range of aerial array is cut into two different frequency ranges to frequency division duplex device, it can be achieved that fusion two-beam antenna (or it is more
Beam antenna) and 65 ° of antennas fusion, realize that dualbeam feeding network (or multi-beam feeding network) and 65 ° of feeding networks are total to
With the radiating element in aerial array, and then it can greatly reduce the volume of fusion aft antenna.
It should be noted that combiner substitution duplexer, when substituting duplexer using combiner, the company of combiner can be used
Relationship and signals transmission are connect, consistent with the connection relationship of duplexer and signals transmission, it is no longer repeated herein.
In one embodiment, radiating element is broadband radiation unit.Wherein, width radiating element refers to having certain
The radiating element of working frequency range.In one example, the working frequency range of radiating element is 1400-2690MHz (megahertz).
Specifically, radiating element is connected by the combining port of duplexer, the first frequency range port of duplexer passes through Bart
It strangles matrix unit and connects first antenna feeding network, the second frequency range port of duplexer connects the second antenna feeding network, in turn
The working frequency range of radiating element can be cut into the first frequency range and the second frequency range.Such as it can be by the working frequency range of 1400-2690MHz
It is cut into the narrow frequency range of 1400-2200MHz and the narrow frequency range of 2490-2690MHz；It can also be by the working frequency range of 1400-2690MHz
It is cut into the narrow frequency range of 1400-1520MHz and the narrow frequency range of 1690-2690MHz.
In one embodiment, the column pitch in aerial array between radiating element is the center of radiating element working frequency range
The half wavelength of frequency point.
Specifically, the column pitch in aerial array between radiating element is set to the center frequency of radiating element working frequency range
The half wavelength of point, and then increase the electromagnetic coupling in aerial array between each column radiating element, for working frequency range
Low frequency part (the narrow frequency range of such as 1400-2200MHz), column pitch is usually less than the half wavelength of the low frequency part.It is excessive
Electromagnetic coupling make the horizontal plane beam angle of each column radiating element wider (usually at 90 degree to 100 degree or so)；For work
Make the high frequency section (the narrow frequency range of such as 2490-2690MHz) of frequency range, the electromagnetic coupling between each column radiating element is smaller, each column spoke
The horizontal beam width for penetrating unit remains to maintain one fixed width (such as 60 degree to 70 degree or so), and then can satisfy antenna beam
The Signal Phase Design demand and horizontal plane minor lobe demand of direction.
It should be noted that when the column pitch in aerial array between radiating element is greater than in radiating element working frequency range
When the half wavelength of heart frequency point, beam position caused by same phase will be less than normal, and horizontal plane graing lobe will increase, and lead to shadow
Ring network application.
In one embodiment, the first frequency range port is low-frequency range port；Second frequency range port is high band port；Connection
Second frequency range port of each duplexer of same row radiating element is sequentially connected with the second antenna feeding network.
Wherein, the working frequency range of low-frequency range port is less than the working frequency range of high band port, such as the frequency of low-frequency range port
Segment limit is 1400-2200MHz, and the band limits of high band port is 2490-2690MHz；The for another example frequency range of low-frequency range port
Range is 1400-1520MHz, and the band limits of high band port is 1690-2690MHz.It should be noted that low-frequency range port
It is not limited to the combination of the band limits of high band port above two, can also be the combination of other band limits, herein no longer
It repeats one by one.
Specifically, the high band port for connecting each duplexer of same row radiating element and the second antenna feeding network are successively
It is connected；Each second side ports of the low-frequency range port of each duplexer that duplexer submodule group includes and butler matrix unit are one by one
It is corresponding to be connected；First side ports of butler matrix unit connect first antenna feeding network.And then first antenna feeding network
Electric signal can be passed sequentially through to butler matrix unit and duplexer feed-in radiating element；Second antenna feeding network can be by telecommunications
Number pass through duplexer feed-in radiating element.Pass through first antenna feeding network and the second antenna feeding network multiplex antenna array
Radiating element realizes antenna miniaturization.
In a specific embodiment, as shown in Fig. 2, first antenna feeding network be multi-beam feeding network, second
Antenna feeding network is 65 ° of antenna feeding networks, and duplexer submodule group includes 4 duplexers, the first frequency range port of duplexer
For low-frequency range port (such as working frequency range is 1400-2200MHz), the second frequency range port of duplexer is high band port (such as work
Making frequency range is 2490-2690MHz).
Wherein, radiating element subarray may include multiple radiating elements, i.e., a row may include multiple radiation in aerial array
Unit, such as radiating element subarray include 7 radiating elements, can include with duplexer submodule group by any 4 radiating elements
4 duplexers correspond and be connected, and by 3 radiating elements of residue and butler matrix unit in 7 radiating elements
Second side ports are connected.
Specifically, by duplexer multiplex radiation unit, it is (low that the working frequency range of radiating element is cut into two narrow frequency ranges
Frequency range and high band), the combining port of duplexer connects radiating element, and the low-frequency range port of duplexer connects butler matrix list
Member, and then electric signal can be passed sequentially through butler matrix and duplexer feed-in radiating element by multi-beam feeding network, realize day
The multibeam signals of linear array cover；The high band port of duplexer connects 65 ° of antenna feeding networks, and then 65 ° of antenna feeds
Network can realize 3 sector coverage antennas, and then realize the more of multiple ports by electric signal by feed-in radiating element after duplexer
Beam antenna and the fusion of 65 ° of antennas of multiple ports, are greatly reduced antenna volume, put compared to traditional left and right or up and down
The antenna of design realizes the miniaturization of above-mentioned mixing multibeam antenna.
Further, as shown in figure 3, to mix another structural schematic diagram of multibeam antenna, first antenna feeding network
For multi-beam feeding network, the second antenna feeding network is 65 ° of antenna feeding networks, and duplexer submodule group includes 4 duplexers,
First frequency range port of duplexer is low-frequency range port (such as working frequency range is 1400-2200MHz), the second frequency range end of duplexer
Mouth is high band port (such as working frequency range is 2490-2690MHz).Radiating element subarray may include 4 radiating elements, 4
Radiating element is connected with 4 duplexers one-to-one correspondence that duplexer submodule group includes.By duplexer multiplex radiation unit, by spoke
The working frequency range for penetrating unit is cut into two narrow frequency range (low-frequency range and high band), and the low-frequency range port of duplexer connects Butler
Matrix unit, and then electric signal can be passed sequentially through butler matrix and duplexer feed-in radiating element by multi-beam feeding network,
Realize the multibeam signals covering of aerial array；The high band port of duplexer connects 65 ° of antenna feeding networks, and then 65 ° of days
Line feeding network can realize 3 sector coverage antennas, and then realize multiple ends by electric signal by feed-in radiating element after duplexer
The multibeam antenna of mouth and 65 ° of antennas fusion of multiple ports, are greatly reduced antenna volume.
In one example, above-mentioned mixing multibeam antenna uses dual-polarized antenna structure, and first antenna feeding network is adopted
With dualbeam feeding network, the second antenna feeding network is 65 ° of antenna feeding networks, in mixing multi-beam day as shown in Figure 3
In the structure basis of line, by adjusting the quantity and link position of duplexer, the two-beam antenna and 8 of 4 ports can be realized
65 ° of antennas fusion (showing in figure) of a port, is meeting antenna array signals covering, while realizing antenna miniaturization.
Further, as shown in figure 4, to mix another structural schematic diagram of multibeam antenna, first antenna feeding network
For multi-beam feeding network, the second antenna feeding network is 65 ° of antenna feeding networks, and duplexer submodule group includes 2 duplexers,
First frequency range port of duplexer is low-frequency range port (such as working frequency range is 1400-2200MHz), the second frequency range end of duplexer
Mouth is high band port (such as working frequency range is 2490-2690MHz).Radiating element subarray may include 4 radiating elements, arbitrarily
2 duplexers one-to-one correspondence that 2 radiating elements and duplexer submodule group include is connected, 2 radiating elements of residue with connect respectively
Connect butler matrix unit.By duplexer multiplex radiation unit, the working frequency range of radiating element is cut into two narrow frequency ranges
(low-frequency range and high band), the low-frequency range port of duplexer connects butler matrix unit, and then multi-beam feeding network can incite somebody to action
Electric signal passes sequentially through butler matrix and duplexer feed-in radiating element, realizes the multibeam signals covering of aerial array；It is double
The high band port of work device connects 65 ° of antenna feeding networks, and then 65 ° of antenna feeding networks can pass through electric signal after duplexer
Feed-in radiating element realizes 3 sector coverage antennas, and then realizes the multibeam antenna of multiple ports and 65 ° of days of multiple ports
Line fusion, is greatly reduced antenna volume.
In one example, above-mentioned mixing multibeam antenna uses dual-polarized antenna structure, and first antenna feeding network is adopted
With dualbeam feeding network, the second antenna feeding network is 65 ° of antenna feeding networks, in mixing multi-beam day as shown in Figure 4
In the structure basis of line, by adjusting the quantity and link position of duplexer, the two-beam antenna and 4 of 4 ports can be realized
65 ° of antennas fusion (showing in figure) of a port is meeting antenna array signals covering by multiplexing technology, while above-mentioned
Mixing multibeam antenna volume reduce nearly 50%, realize antenna miniaturization.
It should be noted that a duplexer can be connected with a radiating element, the multiplexing of duplexer is realized；One duplex
Device can also be connected with two even more than radiating element, further realize duplexer multiplexing.
In one embodiment, the first frequency range port is high band port；Second frequency range port is low-frequency range port；Connection
Second frequency range port of each duplexer of same row radiating element be based on be cross-linked rule, with the second antenna feeding network phase
Even；Being cross-linked rule is in the two neighboring duplexer of connection same row radiating element the second of at most one duplexer
Frequency range port connects the second antenna feeding network.
Wherein, the working frequency range of low-frequency range port is less than the working frequency range of high band port, such as the frequency of low-frequency range port
Segment limit is 1400-2200MHz；The band limits of high band port is 2490-2690MHz；The for another example frequency range of low-frequency range port
Range is 1400-1520MHz, and the band limits of high band port is 1690-2690MHz.It should be noted that low-frequency range port
It is not limited to the combination of the band limits of high band port above two, can also be the combination of other band limits, herein no longer
It repeats one by one.
Specifically, the low-frequency range port for connecting each duplexer of same row radiating element is based on being cross-linked rule and second
Antenna feeding network is connected；Each the of the high band port of each duplexer that duplexer submodule group includes and butler matrix unit
Two side ports, which correspond, to be connected；First side ports of butler matrix unit connect first antenna feeding network.And then it radiates
Unit the signal received can be passed sequentially through to duplexer and butler matrix unit is transmitted to first antenna feeding network, passes through
First antenna feeding network output signal；The signal received can be transmitted to the second antenna feed by duplexer by radiating element
Network, by the second antenna feeding network output signal, so that aerial array obtains more appropriate horizontal plane beam angle, together
The miniaturization of Shi Shixian antenna.
In a specific embodiment, as shown in figure 5, first antenna feeding network be multi-beam feeding network, second
Antenna feeding network is 65 ° of antenna feeding networks, and duplexer submodule group includes 4 duplexers, the first frequency range port of duplexer
For high band port (such as working frequency range is 2490-2690MHz), the second frequency range port of duplexer is low-frequency range port (such as work
Making frequency range is 1400-2200MHz).
Wherein, radiating element subarray may include 4 radiating elements, i.e., a row may include that 4 radiation are single in aerial array
4 radiating elements can be connected by member with 4 duplexers one-to-one correspondence that duplexer submodule group includes, and connection same row radiation is single
Second frequency range port of each duplexer of member is staggeredly connected with the second antenna feeding network, i.e., in connection same row radiating element
In two neighboring duplexer, the second frequency range port of at most one duplexer connects same second antenna feeding network, in turn
Beam angle caused by narrowing biggish electromagnetic coupling can be reduced.
Specifically, by duplexer multiplex radiation unit, it is (low that the working frequency range of radiating element is cut into two narrow frequency ranges
Frequency range and high band), the combining port of duplexer connects radiating element, and the high band port of duplexer connects butler matrix list
Member, and then the electric signal of radiating element can pass sequentially through duplexer and butler matrix is transmitted to multi-beam feeding network, passes through
Multi-beam feeding network exports electric signal, and then realizes multi-beam function in the high frequency section of radiating element working frequency range；Duplex
The low-frequency range port of device connects 65 ° of antenna feeding networks, and then the electric signal of radiating element is transmitted to 65 ° of antennas by duplexer
Feeding network exports electric signal by 65 ° of antenna feeding networks, and then realizes in the low frequency part of radiating element working frequency range
65 ° of antenna functions, by (such as can be used electric bridge or the horizontal surface waves such as S-shaped is structured the formation using the array structure that interlocks in low frequency part
Beam synthesis mode) so that antenna obtains more appropriate horizontal plane beam angle；By multibeam antenna to multiple ports and
65 ° of antennas of multiple ports merge, and are greatly reduced antenna volume.
Further, as shown in fig. 6, to mix another structural schematic diagram of multibeam antenna, first antenna feeding network
For multi-beam feeding network, the second antenna feeding network is 65 ° of antenna feeding networks, and duplexer submodule group includes 2 duplexers,
First frequency range port of duplexer is high band port (such as working frequency range is 2490-2690MHz), the second frequency range end of duplexer
Mouth is low-frequency range port (such as working frequency range is 1400-2200MHz), and radiating element subarray may include 4 radiating elements.Radiation
Unit is staggeredly chosen to be connected with duplexer, i.e., in the two neighboring duplexer of connection same row radiating element, at most one double
Second frequency range port of work device connects same 65 ° of antenna feeding networks.By duplexer multiplex radiation unit, by radiating element
Working frequency range be cut into two narrow frequency range (low-frequency range and high band), the high band port of duplexer connects butler matrix list
The low-frequency range port of member, duplexer connects 65 ° of antenna feeding networks.And then it is realized in the high frequency section of radiating element working frequency range
Multi-beam function；65 ° of antenna functions are realized in the low frequency part of radiating element working frequency range, while realizing antenna miniaturization.
It should be noted that radiating element, which staggeredly chooses connection duplexer, can be the staggeredly selection setting of full array, it can also
To be that partial array staggeredly chooses setting.
In one example, above-mentioned mixing multibeam antenna uses dual-polarized antenna structure, and first antenna feeding network is adopted
With dualbeam feeding network, the second antenna feeding network is 65 ° of antenna feeding networks, in mixing multi-beam day as shown in FIG. 6
In the structure basis of line, by adjusting the quantity and link position of duplexer, the two-beam antenna and 4 of 4 ports can be realized
65 ° of antennas fusion (showing in figure) of a port, is meeting antenna array signals covering, while realizing antenna miniaturization.
Further, as shown in fig. 7, to mix another structural schematic diagram of multibeam antenna, first antenna feeding network
For multi-beam feeding network, the second antenna feeding network is 65 ° of antenna feeding networks, and duplexer submodule group includes 1 duplexer,
First frequency range port of duplexer is high band port (such as working frequency range is 2490-2690MHz), the second frequency range end of duplexer
Mouth is low-frequency range port (such as working frequency range is 1400-2200MHz), and radiating element subarray may include 4 radiating elements.Staggeredly
It chooses corresponding radiating element to be connected with duplexer, i.e., in the two neighboring duplexer of connection same row radiating element, at most
Second frequency range port of one duplexer connects same 65 ° of antenna feeding networks.By duplexer multiplex radiation unit, by spoke
The working frequency range for penetrating unit is cut into two narrow frequency range (low-frequency range and high band), and the high band port of duplexer connects Butler
The low-frequency range port of matrix unit, duplexer connects 65 ° of antenna feeding networks.And then in the radio-frequency head of radiating element working frequency range
Divide and realizes multi-beam function；65 ° of antenna functions are realized in the low frequency part of radiating element working frequency range, while realizing that antenna is small-sized
Change.
In one example, above-mentioned mixing multibeam antenna uses dual-polarized antenna structure, and first antenna feeding network is adopted
With dualbeam feeding network, the second antenna feeding network is 65 ° of antenna feeding networks, in mixing multi-beam day as shown in FIG. 6
In the structure basis of line, by adjusting the quantity and link position of duplexer, the two-beam antenna and 2 of 4 ports can be realized
65 ° of antennas fusion (showing in figure) of a port, is meeting antenna array signals covering, while realizing antenna miniaturization.
It should be noted that dualbeam feeding network is alternatively referred to as dualbeam phase-shift network；Multi-beam feeding network can also
Referred to as multi-beam phase-shift network.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the concept of this application, various modifications and improvements can be made, these belong to the protection of the application
Range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (10)
1. a kind of mixing multibeam antenna, which is characterized in that including aerial array and duplexer mould group；The aerial array includes
Several row's radiating element subarrays；The radiating element subarray includes several radiating elements；The duplexer mould group includes
Several duplexer submodule groups, each duplexer submodule group are connected with each radiating element subarray one-to-one correspondence；It is described
Duplexer submodule group includes at least one duplexer；The duplexer includes combining port, the first frequency range port and the second frequency range
Port；The combining port connects the radiating element；
It further include first antenna feeding network, several second antenna feeding networks and several butler matrix units；Each institute
Butler matrix unit is stated to be connected with each duplexer submodule group one-to-one correspondence；The butler matrix unit includes the first side
Port and several second side ports, first side ports connect the first antenna feeding network, each second side
Mouth is corresponded with each first frequency range port of the duplexer submodule group to be connected；Each second antenna feeding network with
Each second frequency range port of the duplexer submodule group, which corresponds, to be connected.
2. mixing multibeam antenna according to claim 1, which is characterized in that the first antenna feeding network is double wave
Beam feeding network or multi-beam feeding network.
3. mixing multibeam antenna according to claim 2, which is characterized in that second antenna feeding network is 65 °
Antenna feeding network.
4. mixing multibeam antenna according to claim 3, which is characterized in that first frequency range port is low-frequency range end
Mouthful；Second frequency range port is high band port；
Second frequency range port of each duplexer of radiating element described in connection same row and second antenna feeding network
It is sequentially connected.
5. mixing multibeam antenna according to claim 3, which is characterized in that first frequency range port is high band end
Mouthful；Second frequency range port is low-frequency range port；
Connection same row described in radiating element each duplexer the second frequency range port be based on be cross-linked rule, with it is described
Second antenna feeding network is connected；The rule that is cross-linked is the two neighboring described of the radiating element described in connection same row
In duplexer, the second frequency range port of at most one duplexer connects second antenna feeding network.
6. mixing multibeam antenna according to claim 4 or 5, which is characterized in that the frequency range model of the low-frequency range port
It encloses for 1400-2200MHz, the band limits of the high band port is 2490-2690MHz；
Or
The band limits of the low-frequency range port is 1400-1520MHz, and the band limits of the high band port is 1690-
2690MHz。
7. mixing multibeam antenna according to claim 6, which is characterized in that the duplexer is frequency division duplex device.
8. mixing multibeam antenna according to claim 6, which is characterized in that the radiating element is broadband radiation list
Member.
9. mixing multibeam antenna according to claim 6, which is characterized in that radiating element described in the aerial array
Between column pitch be the radiating element working frequency range center frequency point half wavelength.
10. mixing multibeam antenna according to claim 6, which is characterized in that the working frequency range of the radiating element is
1400-2690MHz。
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| CN201811647846.9A CN109509980B (en) | 2018-12-29 | 2018-12-29 | Hybrid multi-beam antenna |
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| CN110165380A (en) * | 2019-06-05 | 2019-08-23 | 中天宽带技术有限公司 | A kind of antenna for base station that multifrequency is shared |
| CN110994203A (en) * | 2019-11-25 | 2020-04-10 | 广东博纬通信科技有限公司 | Broadband mixed multi-beam array antenna |
| CN111509405A (en) * | 2020-04-24 | 2020-08-07 | 维沃移动通信有限公司 | Antenna module and electronic equipment |
| CN112134033A (en) * | 2020-09-28 | 2020-12-25 | 中天通信技术有限公司 | Hybrid antenna |
| CN113540822A (en) * | 2020-04-22 | 2021-10-22 | 华为技术有限公司 | Antenna array and base station |
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