CN208352529U - A kind of nine beam array antenna of wideband - Google Patents

A kind of nine beam array antenna of wideband Download PDF

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Publication number
CN208352529U
CN208352529U CN201820439126.2U CN201820439126U CN208352529U CN 208352529 U CN208352529 U CN 208352529U CN 201820439126 U CN201820439126 U CN 201820439126U CN 208352529 U CN208352529 U CN 208352529U
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input port
wave beam
power divider
radiating element
network
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吴泽海
吴壁群
苏振华
林仙岳
叶亮华
孙丹
邓佑昌
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Guangdong Broadradio Communication Technology Co Ltd
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Guangdong Broadradio Communication Technology Co Ltd
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Priority to PCT/CN2018/082696 priority patent/WO2019184008A1/en
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Abstract

The utility model relates to communication antenna technical fields, and in particular to a kind of nine beam array antenna of wideband.The utility model includes metallic reflection plate, radiation cell array, beam-forming network, the first power divider network, the second power divider network and phase compensating circuit;The radiation cell array is connect with the second power divider network, and being fixedly installed in described includes in metallic reflection plate, the beam-forming network is connect by the phase compensating circuit with first power divider network, and being fixedly installed in described includes in metallic reflection plate.The utility model all has preferable secondary lobe and grating lobe suppression performance in ultratvide frequency band, reduces the adjacent area interference of wave beam respective cell.Compared with five beam antennas, nine beam antennas of the utility model realize more cell splittings in identical spatial dimension, and the channeling of more neighboring communities is realized under conditions of not increasing antenna site, further improves network capacity.

Description

A kind of nine beam array antenna of wideband
Technical field
The utility model relates to communication antenna technical fields, and in particular to a kind of nine beam array antenna of wideband.
Background technique
After fourth generation mobile communication technology 4G/LTE scale is commercial, the data traffic in mobile communications network is increased sharply, user Close quarters mobile communication system bandwidth capacity faces immense pressure.For the problem that single subdistrict capacity is limited, more waves are used The overlay area of beam antenna, conventional single sector can be subdivided into multiple sectors, and radio channel capacity is multiplied.Publication No. CN The utility model patent of 102570057A proposes a kind of method that five wave beams are generated using 6 × 6 butler matrixs, such as Fig. 2 It is shown.Each column of evenly arranged radiating element are connected with vertical power splitter, then the butler matrix delivery outlet phase with 6 × 6 Even, each corresponding 6 × 6 butler matrix that polarize.But the technical work bandwidth only has 23.7% (1710- 2170MHz), it cannot be compatible with the 2300 and 2600MHz frequency range of 4G LTE simultaneously, if frequency range is widened to 1700-2700MHz frequency Section, azimuth plane 2700MHz frequency can generate very high graing lobe about -5dB, very big to neighbor cell interference.Patent 201621038190.7 using the radiating element arrangement mode of offset, available preferable grating lobe suppression ability.
Stadiums in the occasions such as Opening Ceremony of the Games aggregation number ten thousand or even 100,000 mobile communication subscribers, using five wave beams into Row cell splitting is still not enough to deal with growing flow demand.Therefore, capacity in order to further increase, needs to design tool There is the antenna for base station of more beams, works at the same time frequency band and widen to 1427-2700MHz, compatible current mobile communication 4G/3G standard The demand of the frequency range and reserved upgrading in the future of frequency range and 2G standard, and working band range inner orientation angular direction is with good Secondary lobe and grating lobe suppression performance, to overcome the above problem.
Utility model content
In order to overcome the deficiencies of the above existing technologies, it is necessary to some special screne network coverages are directed to, it is such as mobile logical Believe very intensive stadiums and performing art centre etc., proposes a kind of nine beam array antenna of wideband of higher capacity.This is practical It is novel to propose a kind of nine beam array antenna of wideband, including metallic reflection plate, radiation cell array, beam-forming network, first Power divider network, the second power divider network and phase compensating circuit;
The radiation cell array is connect with the second power divider network, and being fixedly installed in described includes metallic reflection plate On, the beam-forming network is connect by the phase compensating circuit with first power divider network, and is fixedly installed in Described includes in metallic reflection plate;
The radiation cell array includes being more than or equal to 2 radiating element groups, each described radiating element group is along horizontal Direction arrangement, at least one radiating element group deviate in the horizontal direction;
The radiating element group includes being more than or equal to 12 radiating elements;
The beam-forming network is at least 2, and each beam-forming network includes a 12 road butler matrixs Circuit and a 2 road power splitter groups;
The phase compensating circuit is at least 8, each described phase compensating circuit includes 2 individual transmission routes.
Further, the radiating element group is 6, and the radiating element is dual polarized antenna unit.
Further, the adjacent rows of the radiation cell array are in arrangement by the way of horizontal direction offset.
Further, first power divider network includes 2 tunnel power divider circuit of at least eight, the first power splitter net The input port of network is the input port of antenna;
Second power divider network includes at least 24 3 tunnel power divider circuits;The output end of 3 tunnel power divider circuit Three radiating elements positioned at the same horizontal position that mouth connection is not gone together, the input port connection of 3 tunnel power divider circuit The output port of the beam-forming network.
Further, each 12 road butler matrix circuitry include 43 × 3 butler matrix circuitries, 34 × 4 butler matrix circuitries and 9 phase shifters;3 × 3 butler matrix circuitries and 4 × 4 butler matrix circuitries are handed over by phase shifter Fork connection.
Further, each 12 road butler matrix circuitry includes 12 input ports being isolated from each other and 12 The output port being isolated from each other, wherein having 3 input ports to connect 50 ohm loads and being grounded, remaining input terminal mouth is as wave beam Form 9 input ports of network, respectively first input port, the second input port, third input port, the 4th input terminal Mouthful, the 5th input port, the 6th input port, the 7th input port, the 8th input port and the 9th input port, and it is right respectively Answer the first wave beam, the second wave beam, third wave beam, the 4th wave beam, the 5th wave beam, the 6th wave beam, the 7th wave beam, the 8th wave beam and Nine wave beams.
Further, the azimuth coverage of first wave beam is 25 to 50 degree, the azimuth coverage of second wave beam For 18 to 35 degree, the azimuth coverage of the third wave beam is 10 to 25 degree, and the azimuth coverage of the 4th wave beam is 5 to 15 Degree, the azimuth of the 5th wave beam are 0 degree, and the azimuth coverage of the 6th wave beam is -5 to -15 degree, the 7th wave beam Azimuth coverage be -10 to -25 degree, the azimuth coverage of the 8th wave beam is -18 to -35 degree, the 9th wave beam Azimuth coverage is -25 to -50 degree.
Further, 2 individual transmission line Phases differences are within the scope of 0 degree to 90 degree.
Further, the radiating element horizontal space in the radiating element group is equal, the radiating element group it Between vertical interval it is equal;
The spacing is 0.4 to 0.95 times of wavelength of array antenna working frequency range centre frequency;
The horizontal-shift distance of every a line radiating element is the half of the radiating element horizontal distance.
Further, the first input port of the beam-forming network, the second input port, third input port, Four input ports, the 6th input port, the 7th input port, the 8th input port, the 9th input port are mended by the phase Repay the first power divider network of circuit connection.
Further, the Antenna Operation frequency range is 1427-2700MHz.
Compared with prior art, the utility model has the following beneficial effects:
Nine beam array antenna of a kind of wideband provided by the utility model, each radiating element group include multiple along water Square to arrangement radiating element, at least one radiating element group deviates in the horizontal direction, multiple phase compensating circuits, to level The radiating element group of direction offset carries out phase compensation, in this way using the radiating element that do not go together in the horizontal direction according to a set pattern The arrangement scheme of offset is restrained, and adds certain phase compensation to the radiating element of offset in feeding network, nine beam antennas All there is preferable secondary lobe and grating lobe suppression performance in ultratvide frequency band, reduce the adjacent area interference of wave beam respective cell.It adopts simultaneously Being realized with 12 road butler matrix circuitries can be in the beam-forming network of azimuth direction nine wave beams of generation, with five wave beam days Line is compared, and nine beam antennas of the utility model realize more cell splittings in identical spatial dimension, is not increasing day The channeling that more neighboring communities are realized under conditions of line site, further improves network capacity.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings Obtain other attached drawings;
Fig. 1 is the radiating element arrangement of nine beam antenna of wideband of the utility model;
Fig. 2 is the radiating element arrangement scheme that the prior art generates five beam antennas;
Fig. 3 is the line graph of the utility model radiating element and 3 tunnel power divider circuits;
Fig. 4 is the connection figure of the utility model beam-forming network;
Fig. 5 is the internal structure chart of the utility model beam-forming network, wherein figure a is the signal of 2 tunnel power divider circuits Figure, figure b are butler matrix circuitry and phase shifter interconnection schematic diagram;
Fig. 6 is 3 × 3 butler matrix circuitry structure charts of beam-forming network;
Fig. 7 is 4 × 4 butler matrix circuitry structure charts of beam-forming network
Fig. 8 is the connection figure of the utility model the second power divider network and phase compensating circuit, wherein figure a is first wave Five wave beam connection schematic diagram of Shu Zhi, figure b are the 6th wave beam to the 9th wave beam connection schematic diagram;
Fig. 9 is the synthesis azimuth plane directional diagram of nine wave beam 1710MHz frequencies of the utility model embodiment actual measurement;
Figure 10 is the synthesis azimuth plane directional diagram of nine wave beam 2690MHz frequencies of the utility model embodiment actual measurement.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, simultaneously below by specific specific example The embodiments of the present invention is described with reference to the drawings, those skilled in the art can be by content disclosed in the present specification easily Understand the further advantage and effect of the utility model.The utility model can also be implemented by other different specific examples or Using, details in this specification can also be based on different perspectives and applications, under the spirit without departing substantially from the utility model into The various modifications of row and change.
The utility model proposes a kind of nine beam array antenna of wideband, specifically include metallic reflection plate, radiation cell array, Beam-forming network, the first power divider network, the second power divider network and phase compensating circuit;
The radiation cell array is connect with the second power divider network, and being fixedly installed in described includes metallic reflection plate On, the beam-forming network is connect by the phase compensating circuit with first power divider network, and is fixedly installed in Described includes in metallic reflection plate;
The radiation cell array includes being more than or equal to 2 radiating element groups, each described radiating element group is along horizontal Direction arrangement, at least one radiating element group deviate in the horizontal direction;
The radiating element group includes being more than or equal to 12 radiating elements;
The beam-forming network is at least 2, and each beam-forming network includes a 12 road butler matrixs Circuit and a 2 road power splitter groups;
The phase compensating circuit is at least 8, each described phase compensating circuit includes 2 individual transmission routes.
The radiating element group is 6, and the radiating element is dual polarized antenna unit.
The adjacent rows of the radiation cell array are in arrangement by the way of horizontal direction offset.
Specifically, the adjacent rows of radiation cell array in arrangement using horizontal direction offset by the way of, as shown in Figure 1. Multiple radiating elements 101 are in line to form radiating element group 111, and radiating element horizontal space is HD, vertical interval VD, phase The distance of adjacent rows offset is HD1.Preferably, radiating element number N=20 of every a line and horizontal space is equal, line number M =6 and adjacent rows vertical interval it is equal;Preferably, the second row radiating element group 112, fourth line radiating element group 114 and Six row radiating element groups 116 move HD1 both with respect to 111 right avertence of the first row;The third line radiating element group 113 and fifth line radiation are single Tuple 115 is relative to the first row 111 without offset.Preferably, radiating element 101 is ± 45 dual-polarized cross dipole antennas, patch Chip antenna and slot antenna.
In the utility model embodiment, first power divider network includes 2 tunnel power divider circuit of at least eight, described The input port of first power divider network is the input port of antenna;Second power divider network includes at least 24 3 road function Divide device circuit;Three radiation positioned at the same horizontal position that the output port connection of 3 tunnel power divider circuit is not gone together are single The input port of member, 3 tunnel power divider circuit connects the output port of the beam-forming network.
In the utility model embodiment, each 12 road butler matrix circuitry includes 43 × 3 Butler squares Battle array circuit, 34 × 4 butler matrix circuitries and 9 phase shifters;3 × 3 butler matrix circuitries and 4 × 4 butler matrixs electricity Road passes through phase shifter interconnection.Each 12 road butler matrix circuitry include 12 input ports being isolated from each other and 12 output ports being isolated from each other, wherein thering are 3 input ports to connect 50 ohm loads and being grounded, remaining input terminal mouth conduct It is 9 input ports of beam-forming network, respectively first input port, the second input port, third input port, the 4th defeated Inbound port, the 5th input port, the 6th input port, the 7th input port, the 8th input port and the 9th input port, and point Not Dui Ying the first wave beam, the second wave beam, third wave beam, the 4th wave beam, the 5th wave beam, the 6th wave beam, the 7th wave beam, the 8th wave beam With the 9th wave beam.
Preferably, the azimuth coverage of first wave beam is 25 to 50 degree, the azimuth coverage of second wave beam is 18 to 35 degree, the azimuth coverage of the third wave beam are 10 to 25 degree, and the azimuth coverage of the 4th wave beam is 5 to 15 Degree, the azimuth of the 5th wave beam are 0 degree, and the azimuth coverage of the 6th wave beam is -5 to -15 degree, the 7th wave beam Azimuth coverage be -10 to -25 degree, the azimuth coverage of the 8th wave beam is -18 to -35 degree, the 9th wave beam Azimuth coverage is -25 to -50 degree.
2 individual transmission line Phases differences are within the scope of 0 degree to 90 degree.
The radiating element horizontal space in the radiating element group is equal, between vertical between the radiating element group Away from equal;
The spacing is 0.4 to 0.95 times of wavelength of array antenna working frequency range centre frequency;
The horizontal-shift distance of every a line radiating element is the half of the radiating element horizontal distance.
That is, the radiating element of every a line is connected with the output port of the second power divider network, second function point Device network is made of multiple 3 tunnels power divider circuit, and 3 tunnel power divider circuit quantity are 80.Three identical water of each column in array The radiating element that prosposition is set is connected with the same 3 tunnel power divider circuit output port, one of them polarized connection is such as Fig. 3 institute Show.The connection of first row radiating element is as follows ,+45 polarization 3 road power splitters of connection of radiating element d (1,1), d (3,1) and d (5,1) Another 3 road power splitter electricity of+45 polarization connections of 201 output port of circuit, radiating element d (2,1), d (4,1) and d (6,1) 221 output port of road.Other column radiating elements are similar with the connection of 3 tunnel power divider circuits.Radiating element+45 is shown in Fig. 3 Polarized connection, -45 polarized connections are similar.
Preferably, the input port of 3 tunnel power divider circuits is connected with the output port of beam-forming network, as shown in Figure 4. Connect the output port of the input port connection beam-forming network 302 of 3 tunnel power divider circuits of the 1st, 3,5 row radiating elements; Connect the output port of the input port connection beam-forming network 301 of 3 tunnel power divider circuits of the 2nd, 4,6 row radiating elements. The beam-forming network contains 9 input ports, and output port number is equal to the columns N=20 of array.Fig. 4 is shown+ 45 polarized connection figures, -45 polarized connections are similar.Nine beam antenna of dual polarization wideband includes 4 Wave beam forming nets Network.
As shown in the figure a and figure b in Fig. 5, each beam-forming network includes 315,3 × 3 bars of 2 tunnel power divider circuit group Teller matrix circuit group (314-1 to 314-4), 4 × 4 butler matrix circuitry groups (313-1 to 313-3) and 9 phase shifters 312.One input port of 4 × 4 butler matrix circuitry is grounded after connecting 50 resistance.The 2 tunnel power divider circuit group Comprising 82 road power splitters, effect is the conical distribution to form array horizontal direction radiating element pumping signal amplitude, with suppression Valve and control wave beam cross level near system.Each described 3 × 3 butler matrix circuitry include 3 90 degree of 312 Hes of mixer 3 phase shifters 311, as shown in Figure 6.Each described 4 × 4 butler matrix circuitry include 4 90 degree of mixers 312 and 2 45 degree of phase shifters 311, as shown in Figure 7.The output port of 4 × 4 butler matrix circuitry groups passes through the Bart of phase shifter 311 and 3 × 3 The input port for strangling matrix circuit group, which intersects, to be connected, and the part output port of 3 × 3 butler matrix circuitries and 2 road power splitters are defeated Inbound port is connected.9 input ports (411 to 419) of 4 × 4 butler matrix circuitry group are the defeated of beam-forming network Inbound port respectively corresponds 9 different beam positions;The output port of the 2 tunnel power divider circuit group and part not connected 2 The output port of 3 × 3 butler matrix circuitries of road power splitter is the output port of beam-forming network, connects the second power splitter The input port of 3 tunnel power divider circuits of network.
The first input port of the beam-forming network, the second input port, third input port, the 4th input terminal Mouth, the 6th input port, the 7th input port, the 8th input port, the 9th input port are connected by the phase compensating circuit Connect the first power divider network.
Preferably, the input port of beam-forming network connects the first power divider network, such as Fig. 8 by phase compensating circuit In figure a and figure b shown in.First power divider network is made of 16 2 tunnel power divider circuits.The phase compensating circuit packet Containing two individual transmission routes, phase difference between the two isThe input port 411 of two the first wave beams of beam-forming network, 421 are connected to 2 tunnel power divider circuits 501 by phase compensating circuit 401, and the input port 412,422 of the second wave beam passes through phase Bit compensation circuit 402 is connected to 2 tunnel power divider circuits 502, and the input port 413,423 of third wave beam passes through phase compensating circuit 403 are connected to 2 tunnel power divider circuits 503, and the input port 414,424 of the 4th wave beam connects 2 tunnels by phase compensating circuit 404 Power divider circuit 504;The input port 416,426 of 6th wave beam is connected to 2 tunnel power divider circuits by phase compensating circuit 406 506;The input port 417,427 of 7th wave beam is connected to 2 tunnel power divider circuits 507 by phase compensating circuit 407;8th wave The input port 418,428 of beam is connected to 2 tunnel power divider circuits 508 by phase compensating circuit 408;The input terminal of 9th wave beam Mouth 419,429 is connected to 2 tunnel power divider circuits 509 by phase compensating circuit 409.The input port 415,425 of 5th wave beam It is directly connected to 2 tunnel power divider circuits 508.- 45 polarized connections are similar.
Preferably, the horizontal-shift distance HD1 of every a line radiating element is the half of radiating element horizontal distance, i.e. HD1 =HD/2, first and the 9th the phase difference of the corresponding phase compensating circuit of wave beam be 60 degree, second and the 8th corresponding phase of wave beam The phase difference of bit compensation circuit is 45 degree, and the phase difference of third and the corresponding phase compensating circuit of the 7th wave beam is 30 degree, the 4th The phase difference of phase compensating circuit corresponding with the 6th wave beam is 15 degree, and the 5th wave beam is without connecting phase compensating circuit.
In the utility model embodiment, preferably, the number M=6 of radiating element group, spoke in each radiating element group Unit number N=20 is penetrated, the quantity of beam-forming network is 4.Antenna includes 20 3 road power splitter groups, each 3 road power splitter group Comprising 43 road power splitters, this effect is best.
In the utility model embodiment, the Antenna Operation frequency range is 1427-2700MHz.Preferably, the wideband nine Beam array Antenna Operation frequency range is 1427-2700MHz, and radiating element spacing is 80mm, and vertical interplanar distance is 110mm, adjacent Line displacement distance is 40mm, and the radiating element setting phase difference of each column forms 6 degree of angle of declinations.The array antenna is at azimuth Face forms nine wave beams, and the vertical plane inclination angle of each wave beam is 6 degree.Fig. 9 is nine, 1700MHz frequency point azimuthal face wave beam Test compound direction figure, the test compound direction figure of nine, the 2700MHz frequency point azimuthal face in the position Figure 10 wave beam.It can be seen that 9 wave beam cross levels of azimuth plane are superior to 16dB in -10dB, secondary lobe and the inhibition of graing lobe level, and interference is small, can be maximum Degree hoist capacity.
Nine beam antenna electrical tilt angles of embodiment are fixed, the scene for being suitble to user very intensive, such as large-scale body Educate venue, performing art centre and square.In nine beam antennas using more pairs, by carrying out fine cell to application scenarios such as venues It divides, the several times that message capacity may be implemented are promoted.The conventional basestation antennas for being 65 degree relative to traditional beam angle, not only Increase capacity by cell splitting, and there is lower azimuth secondary lobe in ultra-wideband (relative bandwidth is greater than 60%) range, The adjacent area interference of cell is small, and network rate is high.Nine traditional sectors, which divide, needs nine narrow beam antennas, each antenna is non- Often it is huge, while be mounted on it is extremely difficult on mast, the present embodiment realize nine sectors only need common antenna, it may be convenient to Configuration is on mast.
It is emphasized that in above embodiments, in aerial array between the two neighboring radiating element of horizontal direction Spacing be it is fixed, i.e., radiating element equidistantly arranges.However, in practical engineering applications, oscillator unit can also be with It is that unequal spacing arranges.Likewise, two oscillators in vertical direction are also possible to unequal spacing arrangement.In embodiment In, the 2nd, 4,6 rows moved relative to the 1st, 3,5 row right avertence, in practical applications, be also possible to left avertence shifting.This oscillator arrangement The multi-beam directional diagram within the scope of ultra-wideband with low sidelobe also may be implemented, due to not departing from this reality in the situation staggeredly changed With novel design, also it is within the protection scope of the utility model.
Above-mentioned nine beam array antenna of wideband, each radiating element group include N number of radiation list arranged in the horizontal direction Member, multiple radiating element groups deviate in the horizontal direction, multiple phase compensating circuits, to horizontal direction offset radiating element group into Row phase compensation, the arrangement scheme deviated in the horizontal direction according to certain rule using the radiating element that do not go together in this way, and Certain phase compensation is added in feeding network to the radiating element of offset, nine beam antennas all have preferable in ultratvide frequency band Secondary lobe and grating lobe suppression performance, reduce the adjacent area interference of wave beam respective cell, do not increasing antenna site and terrace resource Under the conditions of realize neighboring community channeling, improve network capacity.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, it is clear that this is practical Novel above-described embodiment is merely examples for clearly illustrating the present invention, and is not to the utility model The restriction of embodiment.For those of ordinary skill in the art, it can also be made on the basis of the above description Its various forms of variation or variation.There is no need and unable to pair thus embodiment be exhaustive.It is all in the utility model Spirit and principle within, made any modifications, equivalent replacements, and improvements etc. should be included in the protection model of the utility model Within enclosing.

Claims (11)

1. a kind of nine beam array antenna of wideband, which is characterized in that including metallic reflection plate, radiation cell array, Wave beam forming Network, the first power divider network, the second power divider network and phase compensating circuit;
The radiation cell array is connect with the second power divider network, and being fixedly installed in described includes institute in metallic reflection plate It states beam-forming network and is connect by the phase compensating circuit with first power divider network, and be fixedly installed in the packet It includes in metallic reflection plate;
The radiation cell array includes being more than or equal to 2 radiating element groups, each described radiating element group is in the horizontal direction Arrangement, at least one radiating element group deviate in the horizontal direction;
The radiating element group includes being more than or equal to 12 radiating elements;
The beam-forming network is at least 2, and each beam-forming network includes a 12 road butler matrix circuitries With a 2 road power splitter groups;
The phase compensating circuit is at least 8, each described phase compensating circuit includes 2 individual transmission routes.
2. a kind of nine beam array antenna of wideband according to claim 1, which is characterized in that the radiating element group is 6, The radiating element is dual polarized antenna unit.
3. a kind of nine beam array antenna of wideband according to claim 1, which is characterized in that the phase of the radiation cell array Adjacent rows are in arrangement by the way of horizontal direction offset.
4. a kind of nine beam array antenna of wideband according to claim 1, which is characterized in that the first power divider network packet Containing 2 tunnel power divider circuit of at least eight, the input port of first power divider network is the input port of antenna;
Second power divider network includes at least 24 3 tunnel power divider circuits;The output port of 3 tunnel power divider circuit connects Three radiating elements positioned at the same horizontal position that do not go together are connect, described in the input port connection of 3 tunnel power divider circuit The output port of beam-forming network.
5. a kind of nine beam array antenna of wideband according to claim 1, which is characterized in that each 12 road Butler Matrix circuit includes 43 × 3 butler matrix circuitries, 34 × 4 butler matrix circuitries and 9 phase shifters;3 × 3 Butlers Matrix circuit and 4 × 4 butler matrix circuitries pass through phase shifter interconnection.
6. a kind of nine beam array antenna of wideband according to claim 5, which is characterized in that each 12 road Butler Matrix circuit includes 12 input ports being isolated from each other and 12 output ports being isolated from each other, wherein there is 3 input ports It connects 50 ohm loads and is grounded, 9 input ports of the remaining input terminal mouth as beam-forming network, the respectively first input Port, the second input port, third input port, the 4th input port, it is the 5th input port, the 6th input port, the 7th defeated Inbound port, the 8th input port and the 9th input port, and respectively correspond the first wave beam, the second wave beam, third wave beam, the 4th wave Beam, the 5th wave beam, the 6th wave beam, the 7th wave beam, the 8th wave beam and the 9th wave beam.
7. a kind of nine beam array antenna of wideband according to claim 6, which is characterized in that the azimuth of first wave beam Range is 25 to 50 degree, and the azimuth coverage of second wave beam is 18 to 35 degree, and the azimuth coverage of the third wave beam is 10 to 25 degree, the azimuth coverage of the 4th wave beam are 5 to 15 degree, and the azimuth of the 5th wave beam is 0 degree, the described 6th The azimuth coverage of wave beam is -5 to -15 degree, and the azimuth coverage of the 7th wave beam is -10 to -25 degree, the 8th wave beam Azimuth coverage be -18 to -35 degree, the azimuth coverage of the 9th wave beam is -25 to -50 degree.
8. a kind of nine beam array antenna of wideband according to claim 1, which is characterized in that 2 individual transmission routes Phase difference is within the scope of 0 degree to 90 degree.
9. a kind of nine beam array antenna of wideband according to claim 1, which is characterized in that the institute in the radiating element group State that radiating element horizontal space is equal, the vertical interval between the radiating element group is equal;
The spacing is 0.4 to 0.95 times of wavelength of array antenna working frequency range centre frequency;
The horizontal-shift distance of every a line radiating element is the half of the radiating element horizontal distance.
10. a kind of nine beam array antenna of wideband according to claim 1, which is characterized in that the beam-forming network First input port, the second input port, third input port, the 4th input port, the 6th input port, the 7th input terminal Mouth, the 8th input port, the 9th input port connect the first power divider network by the phase compensating circuit.
11. a kind of nine beam array antenna of wideband according to claim 1, which is characterized in that the Antenna Operation frequency range is 1427-2700MHz。
CN201820439126.2U 2018-03-29 2018-03-29 A kind of nine beam array antenna of wideband Active CN208352529U (en)

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CN201820439126.2U CN208352529U (en) 2018-03-29 2018-03-29 A kind of nine beam array antenna of wideband
PCT/CN2018/082696 WO2019184008A1 (en) 2018-03-29 2018-04-11 Broadband nine-beam array antenna

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108666769A (en) * 2018-03-29 2018-10-16 广东博纬通信科技有限公司 A kind of nine beam array antenna of wideband

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108666769A (en) * 2018-03-29 2018-10-16 广东博纬通信科技有限公司 A kind of nine beam array antenna of wideband

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