CN207517897U - A kind of two beam array antennas and system - Google Patents

A kind of two beam array antennas and system Download PDF

Info

Publication number
CN207517897U
CN207517897U CN201721504544.7U CN201721504544U CN207517897U CN 207517897 U CN207517897 U CN 207517897U CN 201721504544 U CN201721504544 U CN 201721504544U CN 207517897 U CN207517897 U CN 207517897U
Authority
CN
China
Prior art keywords
degree
dual polarization
output port
network
wave
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201721504544.7U
Other languages
Chinese (zh)
Inventor
吴泽海
吴壁群
苏振华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Broadradio Communication Technology Co Ltd
Original Assignee
Guangdong Broadradio Communication Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Broadradio Communication Technology Co Ltd filed Critical Guangdong Broadradio Communication Technology Co Ltd
Priority to CN201721504544.7U priority Critical patent/CN207517897U/en
Priority claimed from PCT/CN2017/111545 external-priority patent/WO2019090807A1/en
Application granted granted Critical
Publication of CN207517897U publication Critical patent/CN207517897U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a kind of two beam array antennas and system, which includes metallic reflection plate, radiation cell array, multiple power distributing networks, two beam-forming networks;Radiation cell array, power distributing network, beam-forming network are mounted in metallic reflection plate;Radiation cell array includes the dual polarization vibrator of M rows N row, and multiple dual polarization vibrators of each row and the power distributing network output port of vertical direction connect, and the output port of beam-forming network is connected with the input port of power distributing network.Array antenna has in the horizontal direction there are two symmetrical wave beam, and possesses faster wave beam convergence capabilities, and 3dB to 20dB power drops angle is less than 12 degree, and sidelobe level inhibits better than 20dB.Array antenna structure is flexible, can parameters such as flexible configuration spacing and oscillator number based on the actual application requirements.Number of sectors can be increased to the greatest extent to improve network capacity on the basis of the adjacent area interference of the hot spot regions such as venue is reduced using the utility model.

Description

A kind of two beam array antennas and system
Technical field
The utility model is related to fields of communication technology, and in particular to a kind of two beam array antennas and system.
Background technology
The intensive hot spot region of mobile communication subscriber, including large-scale stadium, performing art centre, conference and exhibition center, high ferro vehicle It stands, terminal and Citizen Square etc., telephone traffic and data traffic are high.It is logical in order to meet network capacity requirements, large stadium etc. Plan that more sector is covered, and using a large amount of channeling come hoist capacity in letter hot spot region.Traditional solution party Case carries out more sector coverings using overlay area for round or ellipse antenna, and antenna horizontal plane 3dB waves width is 65 degree, such as Shown in Fig. 1,3dB to 20dB power drops angle is more than 60 degree, and declining outside main lobe range slowly leads to overlapping neighbouring sectors region Larger, adjacent area interference is big, seriously affects the transmission rate of communication system, and capacity boost is limited.
Patent US13127592A1 propositions pass through the beam-forming network for being used in mixed way 2 × 3 and 2 × 4 and corresponding spoke Unit module combination is penetrated, composition is a kind of can be in the two-beam antenna of the 1710-2200MHz low sidelobes to work.The two-beam antenna Sidelobe Suppression is better than 20dB, and 95% energy has been directed toward the sector radiated, significantly reduces the interference to adjacent sectors, Its directional diagram is as shown in Figure 2.It can be by reducing sector coverage hoist capacity, still using two beam antennas in venue There are overlapping neighbouring sectors are excessive and the shortcomings of be susceptible to blind area for the overlay area of ellipse.
Therefore, it is necessary to a kind of improved two beam arrays antennas, pass through quick wave beam in wide band operation interval Convergence forms clear and clean rectangular foot-print domain, and overlapping neighbouring sectors area is reduced in the covering scheme that becomes more meticulous of more sectors Domain reduces adjacent area interference, reduces coverage hole, improves the message capacity of the hot spot regions such as venue.
Utility model content
The purpose of the utility model is to provide the two beam array antennas and system that a kind of overlay area is rectangle, water Square to two wave beams for splitting into wide 29 degree of 3dB waves, and the overlay area of each wave beam is rectangle, and adjacent area is interfered very It is small.
To achieve the above object, the utility model uses following technical scheme:
A kind of two beam array antennas, including metallic reflection plate, radiation cell array, multiple power distributing networks, two Beam-forming network;Radiation cell array, power distributing network, beam-forming network are mounted in metallic reflection plate;
The radiation cell array includes the dual polarization vibrator of M rows N row, and M >=2, N >=8;
It is arranged per the multiple dual polarization vibrators of a line along a horizontal reference line, and per the corresponding reference line of a line dual polarization vibrator Between without overlapping;Each multiple dual polarization vibrators of row arrange, and each row dual polarization vibrator is corresponding along a vertical reference line Without overlapping between reference line;
Each beam-forming network has 2 input ports and N number of output port, and first including forming the first wave beam Input port and the second input port for forming the second wave beam and the N number of output terminal of N row for being connected to M N array Mouthful;
Multiple dual polarization vibrators of each row and the power distributing network output port of vertical direction connect, power distributing network Network quantity is N number of, each power distributing network includes the Wilkinson power divider that two output ports are M;Wave beam forming net The output port of network is connected with the input port of power distributing network, forms dual polarization two wave of the tool there are four output port Beam array antenna.
Further, the dual polarization vibrator number of the horizontal direction arrangement is N=8;The dual polarization vibrator is each Number is M=5 on vertical reference line.
Further, each power distributing network includes the Wilkinson power divider that two output ports are 5.
Further, each beam-forming network includes 2 180 degree mixers, 2 60 degree of phase shifters, 23 roads bar Teller matrix circuit and 22 road power splitters;The input port connection 50ohm resistance eutral groundings of each 180 degree mixer, One output port is connect by 60 degree of phase shifters with the input port of one of them 3 road butler matrix circuitry, another Output port connects an input port of another 3 road butler matrix circuitry;Each 3 road butler matrix circuitry The phase change relationship of the corresponding output port of three input ports respectively+120 degree, -120 degree and 0 degree, corresponding 0 degree of phase The input port connection 50ohm resistance eutral groundings of variation;One of output port connection of each 3 road butler matrix circuitry The input port of 12 road power splitter, 4 output ports of 22 road power splitters and 23 road butler matrix circuitries remaining 4 Output port of a output port as beam-forming network.
Further, two dual polarization vibrators of every a line and each row need to increase 180 degree phase shifter, and amplitude phase For small more than the 5dB of dual polarization vibrator of other energy maximum;Two outputs of the minimum energy of each power distributing network Dual polarization vibrator is connected after port connection 180 degree phase shifter;Phase difference between the output port of each beam-forming network It spends for+60 degree or -60, is connected after two output ports connection 180 degree phase shifter of each beam-forming network minimum energy Power distributing network.
Further, the dual polarization vibrator horizontal direction spacing is equal, the dual polarization vibrator vertical direction spacing phase Deng for 0.3 to 0.7 times of center frequency wavelength.
Further, the dual polarization vibrator level interval is equal with vertical interval, is 0.5 times of center frequency wavelength.
Further, the first wave beam has the first party parallactic angle between -15 to -30 degree;Second wave beam has 15 degree to 30 Second party parallactic angle between degree.
Further, the rectangular wave that the horizontal plane splitting of the two beam arrays antenna is 29 degree into 2 half-power wave width Beam amplitude stabilization and possesses 2 wave crests in the range of the 3dB of each beam main lobe direction, main lobe range with external power rapid decrease, 3dB is less than 12 degree to 20dB power drops angle, and the horizontal cross level of two wave beams is -7dB;The vertical plane of each wave beam 3dB waves width is 50 degree, and 3dB to 20dB power drops angle is less than 20 degree.
A kind of two beam array antenna systems, including at least two two beam arrays antennas, are operated in intermediate frequency respectively Section and high band;Two beam array Antenna Operation of Mid Frequency is in 1695-2200MHz band limits, two beam array of high band Antenna Operation carries out signal conjunction in 2300~2700MHz band limits, two beam array antennas of different frequency range by combiner Road, to share output port.
Compared with prior art, the beneficial effects of the utility model are as follows:
Using the structure of the utility model, on the basis of keeping array antenna that there are faster wave beam convergence capabilities, lead to Crossing the mode of beam splitting increases number of sectors, can not only reduce the adjacent area interference of the hot spot regions such as venue, but also further Increase number of sectors, can utmostly improve network capacity.
Description of the drawings
It is required in being described below to embodiment 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 antenna horizontal directivity pattern that a kind of 3dB waves width of the prior art is 65 degree;
Fig. 2 is the two beam antenna array horizontal radiation pattern of low sidelobe of the prior art;
Fig. 3 is the two beam array antenna assumption diagrams of the utility model with rectangular foot-print domain;
Fig. 4 is the beam-forming network structure chart of antenna that the utility model embodiment one provides;
Fig. 5 is the antennas orthogonal face and horizontal radiation pattern of the utility model embodiment one;
Fig. 6 is the antennas orthogonal face and horizontal radiation pattern of the utility model embodiment two.
Specific embodiment
Above-mentioned purpose, feature and advantage to enable the utility model are more obvious understandable, below in conjunction with attached drawing and The technical solution of the utility model is described in detail in specific embodiment.It should be pointed out that described embodiment is only Only it is the utility model part of the embodiment, instead of all the embodiments, based on the embodiment in the utility model, this field Those of ordinary skill's all other embodiments obtained without making creative work, belong to the utility model The range of protection.
Embodiment one
As shown in figure 3, the utility model embodiment one provides a kind of two beam array antennas, including metallic reflection plate, spoke Penetrate cell array, multiple power distributing networks, 2 beam-forming networks;Radiation cell array, power distributing network, wave beam shape It is mounted in metallic reflection plate into network.
The radiation cell array is made of 40 dual polarization vibrators 101, and 40 dual polarization vibrators are divided into 8 subarrays, Each subarray includes 5 dual polarization vibrators for being located at vertical direction;5 dual polarization vibrators of subarray are vertical along one Reference line arranges, without overlapping between the vertical reference line of multiple subarrays, vertical interval d1;The center edge of multiple subarrays A horizontal reference line arrangement, level interval d2.
Each beam-forming network 103 has 2 input ports and 8 output ports, including forming the first wave beam First input port and 8 outputs of the second input port for forming the second wave beam and 8 row for being connected to 5 × 8 arrays Port;
5 dual polarization vibrators of the subarray and the power distributing network 102 of vertical direction connect, and form a sub- day Line, power distributing network quantity are 8, each power distributing network includes the Wilkinson work(point that two output ports are 5 Device;8 sub-antennas are connect with beam-forming network 103, formation two beam array antenna of dual polarization, P1 in four output ports Poles are spent in+45 degree polarization and -45 that+45 degree polarization and -45 degree polarization of the first wave beam corresponding with P2, P3 and P4 correspond to the second wave beam Change.
103 structure of beam-forming network is as shown in figure 4, include the first input A1 and shape for forming the first wave beam Second into the second wave beam inputs A2.It includes 2 60 degree of phase shifters 302,2,3 road Butlers of 180 degree mixer 301,2 Matrix circuit 303 and 22 road power splitters 304;The input port connection 50ohm resistance eutral groundings of 180 degree mixer 301, the One output port is connect by 60 degree of phase shifters with the input port (B1/B3) of 3 road butler matrix circuitries, second output Port is connect with the input port (B2/B4) of another 3 road butler matrix circuitry;Each 3 road butler matrix circuitry The phase change relationship of the 303 corresponding output port of three input ports respectively+120 degree, -120 degree and 0 degree, it is 0 degree corresponding The input port connection 50ohm resistance eutral groundings of phase change;The one of output port of each 3 road butler matrix circuitry connects Connect the input port of 12 road power splitter, 4 output ports of 22 road power splitters and 23 road butler matrix circuitries its Remaining output port of 4 output ports as beam-forming network.
Oscillator level interval is equal with vertical interval, i.e. d1=d2, and numerical value is the half wavelength of working frequency;Per a line with And two dual polarization vibrators of each row need to increase 180 degree phase shifter, and amplitude is relative to the dual polarization of other energy maximum Small more than the 5dB of oscillator, to form the directional diagram that edge drops suddenly;Two output terminals of the minimum energy of each power distributing network Dual polarization vibrator is connected after mouth connection 180 degree phase shifter;Phase difference between the output port of each beam-forming network for+ 60 degree or -60 degree, each beam-forming network minimum energy two output ports connection 180 degree phase shifter after connect power Distribute network.
The directional diagram of the array antenna is as shown in figure 5, vertical direction and the antenna pattern class of two wave beam of horizontal direction Seemingly, the rectangle figuration shape swelled in main lobe direction slight depression, both sides.The rectangle Oriented Graphics with Assigned Form has company in main lobe direction Continue 2 wave crests, centre frequency horizontal direction each wave beam 3dB waves width is 29 degree, and 20dB waves width is 45 degree, the side of two wave beams Parallactic angle is -18 degree and+18 degree, and cross level is -7dB.3dB is to 20dB power drops in the range of entire frequency range 1695-2200MHz Angle is less than 12 degree, and Sidelobe Suppression is better than 20dB.
The elevation radiation patytern of the wideband array antenna is main lobe direction amplitude stabilization and possesses at least two wave crest, Centre frequency 3dB waves width is 50 degree, and 20dB waves width is 85 degree, and 3dB is less than to 20dB power drop angles other than main beam range 20 degree, Sidelobe Suppression is better than 20dB.
Embodiment two
The utility model embodiment two is changed on the basis of embodiment one.
Dual polarization vibrator number in the radiation cell array for the two beam array antennas that the utility model embodiment two provides It is 64, is all both vertically and horizontally 8 antenna elements.The prestige that the variation of power divider network 102 is 8 for 2 output ports Er Jinsen power splitters, the low 5dB of Wilkinson power divider two of which output port specific power maximum output port energy with On, and need to be connected by 180 degree phase shifter with oscillator, rest part structure is identical with embodiment one.
Two beam array center of antenna frequency direction figures are as shown in Figure 6.Each wave beam 3dB waves are wide in horizontal plane and vertical plane It it is 29 degree, 20dB waves width is 45 degree.3dB of each subsystem in 1695-2200MHz frequency ranges is to 20dB power drops Angle is less than 12 degree, and Sidelobe Suppression is better than 20dB.Compared with embodiment one, the present embodiment is wide in the narrower wave of vertical plane offer, Finer covering can be done to venue inner region, increases number of sectors by reducing Sector Range, further promotes net Network capacity.
Embodiment three
The utility model embodiment three is changed on the basis of embodiment one and two.
The utility model embodiment three provides a kind of two beam array antenna systems, including two wave beam battle array described at least two Array antenna, each two beam array antenna form a subsystem, and the number of subsystem is at least 2, in being operated in respectively Frequency range and high band;Mid Frequency subsystem work is in 1695-2200MHz band limits, and high band subsystem work is in 2300- 2700MHz band limits, the subsystem of different frequency range carry out signal combining by 1695-2200/2300-2700 combiners, with Shared output port.
Subsystem is similar with Fig. 5 or Fig. 6 in the directional diagram of the entire frequency range of 2300-2700 and 1695-2200MHz, often A sub- system water plane splits into two wave beams, and the horizontal surface wave width of each beam center frequency point 3dB is 29 degree, and 20dB wave width is 45 degree.3dB in each subsystem frequency range is less than 12 degree to 20dB power drops angle, and Sidelobe Suppression is better than 20dB.
Advantage of this embodiment is that working band is wide, and the 4G of compatible current mainstream, multiple standard frequency ranges of 3G.Not only may be used To reduce number of antennas used, the cloth station costs such as cable are reduced, operation maintenance expense can also be reduced.
It is emphasized that in above 3 embodiments, in the radiation cell array of each subsystem, positioned at horizontal and vertical Spacing of the Nogata between two neighboring dual polarization vibrator is fixed, i.e. dual polarization vibrator unit equidistantly arranges.So And in practical engineering application, dual polarization vibrator unit can not also be arranged equidistantly.The spacing of this dual polarization vibrator Change staggered situation, two beam patterns with rectangle figuration can also be realized, due to not departing from the utility model Design, be also within the protection scope of the utility model.
Embodiment described above only expresses the several embodiments of the utility model, and description is more specific and detailed, But it should not be interpreted as limiting the scope of the present invention.It should be pointed out that for the common of this field For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to In the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.

Claims (10)

1. a kind of two beam array antennas, which is characterized in that including metallic reflection plate, radiation cell array, multiple power distributions Network, two beam-forming networks;Radiation cell array, power distributing network, beam-forming network are mounted on metallic reflection plate On;
The radiation cell array includes the dual polarization vibrator of M rows N row, and M >=2, N >=8;
It is arranged per the multiple dual polarization vibrators of a line along a horizontal reference line, and per between the corresponding reference line of a line dual polarization vibrator Do not overlap;Each multiple dual polarization vibrators of row arrange, and the corresponding reference of each row dual polarization vibrator along a vertical reference line Without overlapping between line;
Each beam-forming network has 2 input ports and N number of output port, the first input including forming the first wave beam Port and the second input port for forming the second wave beam and the N number of output port of N row for being connected to M N array;
Multiple dual polarization vibrators of each row and the power distributing network output port of vertical direction connect, power distributing network number It measures to be N number of, each power distributing network includes the Wilkinson power divider that two output ports are M;Beam-forming network Output port is connected with the input port of power distributing network, forms dual polarization two wave beam battle array of the tool there are four output port Array antenna.
2. two beam arrays antenna according to claim 1, which is characterized in that the dual polarization of the horizontal direction arrangement is shaken Subnumber mesh is N=8;Dual polarization vibrator number on each vertical reference line is M=5.
3. two beam arrays antenna according to claim 2, which is characterized in that each power distributing network includes two Output port is 5 Wilkinson power divider.
4. two beam arrays antenna according to claim 3, which is characterized in that each beam-forming network includes 2 180 degree mixer, 2 60 degree of phase shifters, 23 road butler matrix circuitries and 22 road power splitters;Each 180 degree mixes The input port connection 50ohm resistance eutral groundings of device, an output port pass through 60 degree of phase shifters and one of them 3 tunnel Bart The input port connection of matrix circuit is strangled, another output port connects one of another 3 road butler matrix circuitry Input port;The phase change relation of the corresponding output port of three input ports of each 3 road butler matrix circuitry Not Wei+120 degree, -120 degree and 0 degree, the input port of corresponding 0 degree of phase change connects 50ohm resistance eutral groundings;Each 3 road bar One of output port of Teller matrix circuit connects the input port of 12 road power splitter, and 4 of 22 road power splitters are defeated Remaining output port of 4 output ports as beam-forming network of exit port and 23 road butler matrix circuitries.
5. two beam arrays antenna according to claim 1, which is characterized in that two per a line and each row are bipolar 180 degree phase shifter need to be increased, and amplitude is relative to small more than the 5dB of dual polarization vibrator of other energy maximum by changing oscillator;It is each Dual polarization vibrator is connected after two output ports connection 180 degree phase shifter of the minimum energy of a power distributing network;Each Phase difference between the output port of beam-forming network is spent for+60 degree or -60, each beam-forming network minimum energy Power distributing network is connected after two output port connection 180 degree phase shifters.
6. two beam arrays antenna according to claim 1, which is characterized in that the dual polarization vibrator horizontal direction spacing Equal, the dual polarization vibrator vertical direction spacing is equal, is 0.3 to 0.7 times of center frequency wavelength.
7. two beam arrays antenna according to claim 6, which is characterized in that the dual polarization vibrator level interval is with hanging down Straight spacing is equal, is 0.5 times of center frequency wavelength.
8. two beam arrays antenna according to claim 1, which is characterized in that the first wave beam has between -15 to -30 degree First party parallactic angle;Second wave beam has the second party parallactic angle between 15 degree to 30 degree.
9. two beam arrays antenna according to claim 8, which is characterized in that the horizontal plane of the two beam arrays antenna It is 29 degree of rectangle wave beam to cleave into 2 half-power wave width, amplitude stabilization and is possessed in the range of the 3dB of each beam main lobe direction 2 wave crests, main lobe range are less than 12 degree with external power rapid decrease, 3dB to 20dB power drops angle, the level of two wave beams Cross level is -7dB;The vertical plane 3dB waves width of each wave beam is 50 degree, and 3dB to 20dB power drops angle is less than 20 degree.
10. a kind of two beam array antenna systems, which is characterized in that including at least two claim 1-9 any described two Beam array antenna is operated in Mid Frequency and high band respectively;Two beam array Antenna Operation of Mid Frequency is in 1695- 2200MHz band limits, two beam array Antenna Operation of high band is in 2300~2700MHz band limits, and the two of different frequency range Beam array antenna carries out signal combining by combiner, to share output port.
CN201721504544.7U 2017-11-13 2017-11-13 A kind of two beam array antennas and system Withdrawn - After Issue CN207517897U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721504544.7U CN207517897U (en) 2017-11-13 2017-11-13 A kind of two beam array antennas and system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201721504544.7U CN207517897U (en) 2017-11-13 2017-11-13 A kind of two beam array antennas and system
PCT/CN2017/111545 WO2019090807A1 (en) 2017-11-13 2017-11-17 Two-beam array antenna and system

Publications (1)

Publication Number Publication Date
CN207517897U true CN207517897U (en) 2018-06-19

Family

ID=62537642

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721504544.7U Withdrawn - After Issue CN207517897U (en) 2017-11-13 2017-11-13 A kind of two beam array antennas and system

Country Status (1)

Country Link
CN (1) CN207517897U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108092008A (en) * 2017-11-13 2018-05-29 广东博纬通信科技有限公司 A kind of two beam array antennas and system
CN109861007A (en) * 2019-01-02 2019-06-07 武汉虹信通信技术有限责任公司 A kind of Bipolarization antenna for base station array

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108092008A (en) * 2017-11-13 2018-05-29 广东博纬通信科技有限公司 A kind of two beam array antennas and system
CN108092008B (en) * 2017-11-13 2019-08-16 广东博纬通信科技有限公司 Two beam array antennas of one kind and system
CN109861007A (en) * 2019-01-02 2019-06-07 武汉虹信通信技术有限责任公司 A kind of Bipolarization antenna for base station array

Similar Documents

Publication Publication Date Title
CN102257674B (en) Dual-beam sector antenna and array
CN202474227U (en) Dual-polarized tri-beam antenna for mobile communication base station
CN202474224U (en) Unipolar ten-beam antenna used for mobile communication base station
CN205004448U (en) Wide band array antenna
CN105356062B (en) Broadband array antenna
CN105742828B (en) Three beam antenna of dual polarization and its feeding network device
CN207517897U (en) A kind of two beam array antennas and system
CN106571537A (en) Bipolar two-beam low-side-lobe rapid-drop rectangular shaping array antenna
CN102859789A (en) Antenna array, antenna device and base station
WO2018040141A1 (en) Broadband three-beam array antenna
CN102570055B (en) Dual-polarization eight-wave-beam antenna for mobile communication base station
CN108666769A (en) A kind of nine beam array antenna of wideband
CN106159465B (en) Five beam array antenna of wideband
CN108092008B (en) Two beam array antennas of one kind and system
CN107732465A (en) A kind of Dual-band dual-polarization quickly falls rectangle transmission distance antenna
CN206322857U (en) The beam array antenna of wideband five
CN205657183U (en) Three beam antenna of double polarization and feed network device thereof
WO2019090807A1 (en) Two-beam array antenna and system
CN202474223U (en) Dual-polarized eight-wave beam antenna for mobile communication base station
CN107230845A (en) The rectangle beam-shaped antenna that a kind of outer lobe of half-power angle is quickly fallen
CN206322856U (en) The beam array antenna of wideband three
WO2020073362A1 (en) Broadband six-beam array antenna
WO2019184008A1 (en) Broadband nine-beam array antenna
CN208873879U (en) A kind of miniaturization wideband rectangle transmission distance antenna
WO2013143445A1 (en) Dual-polarization five-beam antenna for mobile communication base station

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20180619

Effective date of abandoning: 20190816