CN107482320A - A kind of 5G large scale arrays antenna - Google Patents
A kind of 5G large scale arrays antenna Download PDFInfo
- Publication number
- CN107482320A CN107482320A CN201710643735.XA CN201710643735A CN107482320A CN 107482320 A CN107482320 A CN 107482320A CN 201710643735 A CN201710643735 A CN 201710643735A CN 107482320 A CN107482320 A CN 107482320A
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- calibration
- large scale
- network
- radiating element
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
- H01Q1/523—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas between antennas of an array
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/104—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces using a substantially flat reflector for deflecting the radiated beam, e.g. periscopic antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
-
- 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
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- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The present invention provides a kind of 5G large scale arrays antenna, including dense radiation battle array, reflecting plate, pcb board and blindmate type radio frequency connector, calibration network and feeding network are printed with pcb board, the dense radiation battle array is made up of some dual polarization vibrators, dual polarization vibrator is fixed on reflecting plate, and dual polarization vibrator includes radiating element and feed tab；Isolator is set between each radiating element, and every one-level work(point port of the feeding network and multistage calibration network is all designed with isolation resistance.The isolator of dense radiation battle array design of the present invention ensures the directional diagram uniformity of each radio-frequency channel, the multinomial Advantageous that multistage calibration network of the present invention uses ensures the amplitude-phase consistency of each prevention at radio-frequency port, therefore, 5G large scale arrays antenna disclosed by the invention can realize good business and broadcast directional diagram by beam shaping technology, be especially suitable for applying the extensive antenna system applications of 5G.
Description
Technical field
The present invention relates to wireless communication field, more particularly to the key technology of the 5th third-generation mobile communication, 5G large scale arrays day
Line.
Background technology
GSM develops rapidly, has gone through for 4 generations, currently develops to the 5th generation.First generation honeycomb moves
Dynamic analog communication system (1G) is mainly characterized by voice communication, and second generation cellular mobile digital communication system (2G) can enter line number
Word signal transmits (voice+text), improves data throughout, third generation cellular mobile communication system (3G), transmission speed is most
Low is 384K, up to 2M, and bandwidth can not only transmit speech up to more than 5MHz, moreover it is possible to is supported such as web page browsing, file download
(multimedia) is communicated Deng multi-medium data, forth generation cell mobile communication systems (4G) can be downloaded with 100Mbps speed, than
Dial up on the telephone fast 2000 times, the speed of upload can also reach 20Mbps, disclosure satisfy that the requirement of most of wireless service is (mobile mutual
Networking).The upgrading of mobile communication each time, the lifting of about 10 times of downstream rate is corresponded to, human society is to information data transmission
Great demand promote the communication technology constantly advance.Have been started up both at home and abroad on the 5th Generation Mobile Communication System
The research and development layout of (5G) communication system, China also supported that setting up 5G pushed away jointly early in 2013 by Ministry of Industry and Information, the Committee of Development and Reform, the Department of Science and Technology
Enter group (IMT-2020), create 5G and promote workbench, and each side of positive tissue country strength, actively develop international cooperation,
The estimated formal commercialization that first version is completed in the year two thousand twenty of 5G standardization effort.The most important features of 5G be exactly big data,
Crowd's connection and scene experience (mobile Internet+Internet of Things).Big data, it is exactly that data volume is big, data rate is high, data, services are
It is main, provide support for the development of mobile Internet；Crowd's connection is exactly substantial amounts of internet-of-things terminal user access, there is provided connects all
Ability；Scene experience is just to provide the high Consumer's Experience of corresponding different scenes.At that time, mobile data and Internet of Things Network Communication
There is the volatile growth of the order of magnitude in data, and existing communication based system can not meet so big data throughout at all, low
Delay, the requirement of high reliability.
MIMO technique (MIMO) refers to multiple transmitting antennas and reception are respectively configured in transmitting terminal and receiving terminal
Antenna, signal is set to transmit and transmit by multiple antennas of transmitting terminal and receiving terminal, it can make full use of space resources, by more
Individual antenna realizes MIMO, in the case where not increasing frequency spectrum resource and antenna transmission power, increases exponentially power system capacity,
So as to improve communication quality.4GLTE could support up 8 antennas in base station side, and user terminal can at most support 4 antennas, due to
The number of antennas of configuration is less, and space performance gain is limited.
As the extensive antenna technology of one of 5G key technologies, can solve the deficiency in 4G technical foundation very well,
By arranging the antenna array of tens individual antenna scales up to a hundred in base station end, rather than just most 8 antennas, pass through beam forming
(beam forming) technology, emitted energy can be pooled to user position, without being spread to other directions, and base station
Real-time tracking can be carried out to it, the optimal direction of the launch is followed the movement of user, ensured in office by monitoring the signal of user
When the electromagnetic wave signal of mobile phone receiving point is waited all in overlaying state.In actual applications, the base station of multiple antennas can also be same
When aim at multiple users, construct the different beams towards multiple target customers, and effectively reduce the interference between each wave beam.This
The beam forming of kind multi-user has spatially efficiently separated the electromagnetic wave between different user, this to the abundant of space resources
Excavate, can effectively using valuable rare band resource and tens times of ground lifting network capacities.
The present invention designs a kind of 5G large scale arrays antenna, is adapted to 5G communication system applications, by being somebody's turn to do in base station side arrangement
Large scale array antenna, while tens up to a hundred antenna MIMOs are realized, greatly promote network system capacity.
The content of the invention
It is an object of the invention to solve the shortcomings of the prior art, there is provided one kind works in low-frequency range in 5G standards
The large scale array antenna of (1-6G), improve the network capacity of 5G systems.
The present invention is achieved through the following technical solutions：
A kind of 5G large scale arrays antenna, including dense radiation battle array, reflecting plate, pcb board and blindmate type radio frequency connector,
Calibration network and feeding network are printed with pcb board, the dense radiation battle array is made up of some dual polarization vibrators, dual polarization vibrator
It is fixed on reflecting plate, dual polarization vibrator includes radiating element and feed tab, and the feed tab is plugged on pcb board through reflecting plate
Feeding network on, feeding network port welding blindmate type radio frequency connector, blindmate type radio frequency connector, dual polarization vibrator and feedback
Electric network is collectively forming radio-frequency channel；
Isolator is set between each radiating element,
The calibration network is the multistage calibration network that some directional couplers are formed by work(classification connection, and multistage calibrates net
Network includes the lump calibration circuit of son calibration circuit and connexon calibration circuit；
Every one-level work(point port of the feeding network and multistage calibration network is all designed with isolation resistance.
Dense radiation battle array is formed by N × M dual polarization vibrator moreover, setting, multistage calibration network by least 2 × N most 2 ×
N × M directional coupler is classified connection composition by work(, sets the most 2 × N of at least 2 × N × M blindmate type radio frequency connector.
Moreover, horizontal spacing dx is arranged to the λ of 0.45 λ≤dx≤0.65 between the radiating element of the dense radiation battle array, indulge
The λ of 0.55 λ≤dy≤0.85 is arranged to spacing dy, wherein λ is wavelength.
Moreover, described set isolator between each radiating element, be included in each row radiating element of dense radiation battle array it
Between center, be disposed with the longitudinal metal divider wall of bar shaped, the transverse metal of bar shaped be disposed between each row radiating element
Divider wall.
Moreover, the son calibration circuit of the calibration network is designed to the microstrip circuit with same physical structure, and son
Circuit is calibrated with respect to surrounding radio-frequency channel Central Symmetry.
Moreover, the lump calibration circuit collection of the connexon calibration circuit, relative to each sub- calibration circuit and son calibration electricity
The Central Symmetry in column of radio-frequency channel corresponding to road.
Moreover, work in 1-6G frequency ranges.
Compared with prior art, the invention has the advantages that：
1st, the present invention can realize below 1-6G dual polarization 5G large scale array antennas, meet 5G system requirements.
2nd, dense radiation battle array of the invention equipment isolator, ensureing the antenna pattern of each radio-frequency channel has well
Uniformity.
3rd, the multinomial technology that multistage calibration network of the invention uses ensures the good Phase amplitude-matched of each directional couple passage
Property.
Therefore, the antenna pattern uniformity of each radio-frequency channel of 5G large scale arrays antenna disclosed by the invention is good, amplitude
Phase equalization is good, can realize good business and broadcast directional diagram by beam shaping technology, be especially suitable for applying the big rule of 5G
Mould antenna system application, there is important market value.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the 5G large-scale antenna arrays of the embodiment of the present invention.
Fig. 2 is the structural representation of the dense radiation battle array of the embodiment of the present invention.
Fig. 3 is the structure composition figure of the radio-frequency channel of the embodiment of the present invention.
Fig. 4 is the pcb board circuit diagram of the embodiment of the present invention.
Fig. 5 is the son calibration circuit diagram of the embodiment of the present invention.
Fig. 6 is that quasi- circuit diagram is taught in the lump of the embodiment of the present invention.
Fig. 7 is the composition structural representation of the 5G large-scale antenna arrays of the embodiment of the present invention.
Illustrate：1st, dense radiation battle array；2nd, reflecting plate；3rd, pcb board；4th, blindmate type radio frequency connector；11st, radiation is single
Member；12nd, feed tab；13rd, isolator；31st, feed circuit；32nd, circuit is calibrated；321st, sub- calibration circuit；322nd, lump is calibrated
Circuit；3001st, isolation resistance；3002nd, single channel directional coupler；3003rd, one-to-two power splitter.
Embodiment
Describe technical scheme in detail with reference to the accompanying drawings and examples.
A kind of 5G large scale arrays antenna proposed by the present invention, including reflecting plate, pcb board, dense radiation battle array and blindmate
Type radio frequency connector, feed circuit and calibration circuit are printed with pcb board, wherein having：N × M dual polarization vibrator forms close
Collection radiation battle array；The multistage calibration network that the most 2 × N of at least 2 × N × M directional coupler is formed by work(classification connection, multistage school
Pseudo-crystalline lattice includes the lump calibration circuit of son calibration circuit and connexon calibration circuit；Most 2 × the N of at least 2 × N × M blind
The type of inserting radio frequency connector, blindmate type radio frequency connector, dual polarization vibrator and feeding network are collectively forming radio-frequency channel.Wherein, N >=
2 and be even number, M >=2.The blindmate type radio frequency connector connection T/R component (hairs of each radio-frequency channel of large scale array antenna
Penetrate/receive) form 5G antenna systems.
Wherein, N represents row, and M represents row, and minimum situation is the same polarization of M radiating element of each column, passes through work(point
It is electrically connected to together, the input port of power-devided circuit sets a directional coupler, because being dual polarization, each column is minimum
There are 2 directional couplers, all row there must be directional coupler, so minimum situation is 2 × N；Most situations is every
Individual dual-polarization radiating unit all goes out 2 directional couplers, so most 2 × N × M directional coupler.
The corresponding radio-frequency channel of one directional coupler is calibrated, so the quantity and directional coupler of radio-frequency channel
Quantity it is identical.Each corresponding blindmate type radio frequency connector in radio-frequency channel.
The multistage calibration network is realized that the ground plane of pcb board towards reflection back and is consolidated by the printed circuit of pcb board
The back side of reflecting plate is scheduled on, the line layer of the pcb board integrates the microstrip circuit of calibration network and feeding network.
The dual polarization vibrator includes radiating element and feed tab, and the feed tab is plugged on the feeding network of pcb board,
Weld blindmate type radio frequency connector in feeding network port.
Further, it is the antenna pattern uniformity of each radio-frequency channel of guarantee, the radiating element of the dense radiation battle array
Between arrange isolator, in principle can by radiating element interval center arrange.
To ensure the amplitude-phase consistency of each radio-frequency channel, the son calibration circuit of the calibration network is designed to have identical
The microstrip circuit of physical arrangement, and son calibration circuit is with respect to surrounding radio-frequency channel Central Symmetry.
To ensure every one-level work(point end of the amplitude-phase consistency of each radio-frequency channel, the feeding network and multistage calibration network
Mouth is all designed with isolation resistance.
To ensure the amplitude-phase consistency of each radio-frequency channel, mutual coupling, the lump school of the connexon calibration circuit are reduced
Quasi- circuit collection calibrates the Central Symmetry in column of radio-frequency channel corresponding to circuit relative to each sub- calibration circuit and son.
The present embodiment is operate on the radiation battle array of the N=8, M=8,8 of 3.5G frequency ranges × 8, the extensive battle arrays of 5G of 64 radio-frequency channels
Array antenna, referring to the overall structure of 5G of embodiment of the present invention large scale array antennas in Fig. 1.
Referring to Fig. 7, the 5G large scale arrays antenna of the embodiment of the present invention includes dense radiation battle array 1, reflecting plate 2, pcb board 3,
And blindmate type radio frequency connector 4.Each radiating element 11 of the dense radiation battle array 1 is fixed on reflecting plate by metallic screw
1 front；The pcb board 3 is fixed on the back side of reflecting plate 2 by plastic rivet；The blindmate type radio frequency connector 4 is welded on
On pcb board 3.
Fig. 2 is the structural representation of dense radiation battle array of the present invention.8 × 8 dual polarization vibrators are according to default transverse direction
Spacing dx and longitudinal pitch dy is arranged on the front of reflecting plate 2；The feed tab 12 is pre-installed on radiating element 11, jointly
Form dual-polarized vibrator component, it is preferred that the feed tab 12 and radiating element 11 are couple feed structure, secondary choosing it is described
Feed tab 12 can be welded in the balun of radiating element 11, form straight feedback structure；The vibrator component is fixed by screws in
On reflecting plate 2, the feed tab 12 is welded on the feed circuit 31 of pcb board 3 through reflecting plate 2；Each row radiating element
Between center, be disposed with the longitudinal metal divider wall of bar shaped, all have to set between each column, quantity is b (b=N-
1), it is disposed with the transverse metal divider wall of bar shaped between each row radiating element arrangement, can be selectable during specific implementation
Set, quantity is a (1≤a≤M-1), is that every 1 row sets isolation together in Fig. 2 as being that every 2 row sets one of divider wall in Fig. 1
Wall.The lateral isolation wall and longitudinal divider wall are collectively forming isolator 13.The use of isolator, is improved in the present invention
The antenna pattern uniformity of each radio-frequency channel, enhance the effect of antenna Beam synthesis when 5G systems use.
Preferably, the λ of 0.45 λ≤dx≤0.65,0.55 λ≤dy≤0.85 λ, λ are wavelength, the transverse direction of dense radiation battle array and vertical
To the reasonable selection of spacing, ensure antenna in 5G systems in use, the good effect of all kinds of business beams and broadcast beam of synthesis
Fruit.
Fig. 3 is the composition schematic diagram of radio-frequency channel of the present invention, including vibrator component, feed circuit connect with blindmate type radio frequency
Device, the feed circuit 31 are the micro-strip power-devided circuit of one-to-two, 2 output ports of the feed circuit 31 respectively with one group
The like-polarized feed tab 12 of (2) dual polarization vibrator component is welded, the input port welding blindmate type of the feed circuit 31
Radio frequency connector 4, the same polarization of 2 vibrator components, feed circuit 31 and blindmate type radio frequency connector 4 are collectively forming one
Individual radio frequency path
Fig. 4 is pcb board structural representation of the present invention, and feed circuit 31 and calibration circuit 32 are printed with pcb board 3.And weld
It is connected to blindmate type radio frequency connector 4.Feed circuit 31 and vibrator component, blindmate type radio frequency connector 4 collectively constitute radio-frequency channel,
A total of 64 radio-frequency channels in embodiment, calibration circuit to all radio-frequency channels for calibrating, so calibration electricity
There are 64 directional couplers on road.The feed circuit 31 shares 64, the corresponding single channel orientation of every one of feed circuit
Coupler 3002；The calibration circuit 32 converges into a total calibration mouth by 64 single channel directional couplers 3002 by 6 grades of work(point
" cal ", in 64 feed circuit 31 and 64 single channel directional couplers 3002, per adjacent 2 feed circuits 31 and correspondingly
2 single channel directional couplers 3002 formed 32 groups there is identical physical arrangement, as Fig. 5 neutrons calibration circuit left and right
Part is symmetrical structure；All one-to-two ports of the feed circuit 31 and calibration circuit 32 (using one-to-two power splitter)
Isolation resistance 3001 is provided with, reduces because of the influence of previous stage work(point or coupling amount change to late-class circuit, ensure that from total school
Quasi- mouth has good uniformity to the amplitude of each radio-frequency channel port and phase fluctuation.
Circuit is calibrated in the lump that the calibration circuit 32 of embodiment is calibrated 16 son calibration circuits of circuit and connection by 16 sons
Composition.Fig. 5 is son calibration circuit diagram of the invention, as shown in Fig. 5 and Fig. 4, every four successively adjacent feed circuit 31 it is right
Four adjacent single channel directional couplers 3002 successively are answered, 4 adjacent single channel directional couplers pass through three one-to-two work(
Divide device 3003 to form two level work(point and form sub- calibration circuit 321, the microstripline phase of the input port of the sub- calibration circuit 321
For feed circuit 31 and the Central Symmetry of single channel directional coupler 3002, to ensure that sub- calibration circuit is led to by from surrounding radio frequency
The coupling effect in road has symmetry, ensures the amplitude and phase equalization of the radio-frequency channel of book calibration circuit calibration.This reality
Apply example and form 16 son calibration circuits 321 with identical physical arrangement altogether.
Fig. 6 is lump calibration circuit diagram of the present invention, and as shown in Fig. 6 and Fig. 4, lump calibrates circuit 322 by 16 sons
Calibration circuit 321 collects for a total calibration mouth " cal " by level Four work(point successively.So, 2 grades of work(of sub- calibration circuit are included
Point, calibration network described in the embodiment of the present invention shares 6 grades of work(point.The lump calibrates circuit 322 relative to each sub- calibration circuit
321 calibrate the Central Symmetry in column of radio-frequency channel corresponding to circuit with son, to ensure to collect alignment circuit by each sub- calibration circuit
321 coupling effects for calibrating radio-frequency channel corresponding to circuit with son have symmetry
The present invention is further advanced by this three beneficial to measure, ensure that total calibration mouth " cal " has to each radio-frequency channel
Good amplitude and phase equalization：
1st, all one-to-two ports of feed circuit 31 and calibration circuit 32 are provided with isolation resistance；
2nd, sub- calibration circuit 321 is designed to the microstrip circuit with same physical structure, and son calibration circuit is relatively all
Enclose radio-frequency channel Central Symmetry；
3rd, lump calibration circuit 322 calibrates radio-frequency channel corresponding to circuit in column relative to each sub- calibration circuit 321 and son
Central Symmetry.
The blindmate type radio frequency connector of all radio-frequency channels of 5G large scale arrays antenna of the present invention and T/R components
It is connected, collectively constitutes 5G large scale array antenna systems.
It is only the antenna example of a certain 8 × 8 specific group battle array described in the embodiment of the present invention, technical staff is in the technology of the present invention
On the basis of can also realize the array antenna for including other number of unit such as 32,128, any model disclosed in technical solution of the present invention
Interior done equal conversion or replacement are enclosed, should all be covered in the scope of the present invention.
Claims (8)
- A kind of 1. 5G large scale arrays antenna, it is characterised in that：Including dense radiation battle array, reflecting plate, pcb board and blindmate type radio frequency Connector, calibration network and feeding network is printed with pcb board, the dense radiation battle array is made up of some dual polarization vibrators, double Polarization oscillator is fixed on reflecting plate, and dual polarization vibrator includes radiating element and feed tab, and the feed tab is inserted through reflecting plate It is connected on the feeding network of pcb board, welding blindmate type radio frequency connector in feeding network port is blindmate type radio frequency connector, bipolar Change oscillator and feeding network is collectively forming radio-frequency channel；Isolator is set between each radiating element,The multistage calibration network that the calibration network is some directional couplers to be formed by work(classification connection, in multistage calibration network Circuit is calibrated in lump including sub- calibration circuit and connexon calibration circuit；Every one-level work(point port of the feeding network and multistage calibration network is all designed with isolation resistance.
- 2. 5G large scale arrays antenna according to claim 1, it is characterised in that：If it is made up of N × M dual polarization vibrator close Collection radiation battle array, multistage calibration network are made up of the most 2 × N of at least 2 × N × M directional coupler work(classification connection, set 2 Most 2 × the N of × N × M blindmate type radio frequency connector.
- 3. 5G large scale arrays antenna according to claim 1, it is characterised in that：The radiating element of the dense radiation battle array it Between horizontal spacing dx be arranged to the λ of 0.45 λ≤dx≤0.65, longitudinal pitch dy is arranged to the λ of 0.55 λ≤dy≤0.85, and wherein λ is ripple It is long.
- 4. according to the 1 or 2 or 3 5G large scale arrays antenna of claim, it is characterised in that：Between each radiating element Isolator is set, the center being included between each row radiating element of dense radiation battle array, is disposed with the longitudinal metal of bar shaped Divider wall, the transverse metal divider wall of bar shaped is disposed between each row radiating element.
- 5. according to the 1 or 2 or 3 5G large scale arrays antenna of claim, it is characterised in that：The son calibration of the calibration network Circuit is designed to the microstrip circuit with same physical structure, and son calibration circuit is with respect to surrounding radio-frequency channel Central Symmetry.
- 6. according to the 1 or 2 or 3 5G large scale arrays antenna of claim, it is characterised in that：The connexon calibration circuit Circuit collection is calibrated in lump, and the Central Symmetry in column of radio-frequency channel corresponding to circuit is calibrated relative to each sub- calibration circuit and son.
- 7. 5G large scale arrays antenna according to claim 5, it is characterised in that：The lump school of the connexon calibration circuit Quasi- circuit collection, the Central Symmetry in column of radio-frequency channel corresponding to circuit is calibrated relative to each sub- calibration circuit and son.
- 8. according to the 1 or 2 or 3 5G large scale arrays antenna of claim, it is characterised in that：Work in 1-6G frequency ranges.
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| CN201710643735.XA CN107482320A (en) | 2017-07-31 | 2017-07-31 | A kind of 5G large scale arrays antenna |
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Cited By (23)
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| CN108232450A (en) * | 2018-01-11 | 2018-06-29 | 江苏亨鑫科技有限公司 | A kind of miniature antenna |
| CN108767447A (en) * | 2018-06-08 | 2018-11-06 | 武汉虹信通信技术有限责任公司 | A kind of 5G low sections Micro mimo antennas |
| CN108767458A (en) * | 2018-05-18 | 2018-11-06 | 成都泰格微波技术股份有限公司 | A kind of extensive mimo antenna of close coupling calibration function |
| CN108808224A (en) * | 2018-06-29 | 2018-11-13 | 京信通信系统（中国）有限公司 | MASSIVE mimo antennas |
| CN108987889A (en) * | 2018-08-10 | 2018-12-11 | 昆山恩电开通信设备有限公司 | A kind of integrated blindmate antenna integrated with system equipment |
| CN108988046A (en) * | 2018-07-16 | 2018-12-11 | 京信通信系统（中国）有限公司 | Locking assembly, push-in radio frequency connector and antenna system |
| CN109149128A (en) * | 2018-09-05 | 2019-01-04 | 武汉虹信通信技术有限责任公司 | A kind of 5G large scale array antenna |
| CN109378592A (en) * | 2018-11-15 | 2019-02-22 | 华南理工大学 | A Wideband Antenna Array Feed Network with Stable Beamwidth and Low Sidelobes |
| CN109888509A (en) * | 2019-01-22 | 2019-06-14 | 武汉虹信通信技术有限责任公司 | Large scale array antenna |
| CN109994820A (en) * | 2019-03-28 | 2019-07-09 | 中天宽带技术有限公司 | A kind of extensive mimo antenna |
| CN110112575A (en) * | 2019-05-27 | 2019-08-09 | 上海安费诺永亿通讯电子有限公司 | A kind of extensive MIMO array antenna |
| CN110198172A (en) * | 2019-07-05 | 2019-09-03 | 深圳市深大唯同科技有限公司 | A kind of calibration network and antenna for base station of array antenna |
| CN110571533A (en) * | 2019-09-29 | 2019-12-13 | 武汉虹信通信技术有限责任公司 | power distribution network of MIMO antenna |
| WO2020024702A1 (en) * | 2018-08-01 | 2020-02-06 | 京信通信技术(广州)有限公司 | Large-scale mimo array antenna and antenna system |
| CN111430941A (en) * | 2020-04-01 | 2020-07-17 | 河北师范大学 | An intelligent splicing antenna for 5G communication |
| JP6777273B1 (en) * | 2019-01-25 | 2020-10-28 | 株式会社村田製作所 | Antenna module and communication device equipped with it |
| WO2020232564A1 (en) * | 2019-05-17 | 2020-11-26 | 罗森伯格技术（昆山）有限公司 | Massive mimo antenna assembly and method for testing modules thereof |
| CN112039561A (en) * | 2019-05-17 | 2020-12-04 | 罗森伯格技术（昆山）有限公司 | Massive MIMO antenna assembly and sub-module testing method thereof |
| CN112397899A (en) * | 2020-11-27 | 2021-02-23 | 浙江盛洋科技股份有限公司 | A 5G array antenna |
| CN112671481A (en) * | 2020-12-22 | 2021-04-16 | 深圳市信维通信股份有限公司 | Calibration network device, antenna unit and array antenna |
| CN113517561A (en) * | 2021-04-16 | 2021-10-19 | 浙江蔚远射频通信有限公司 | High-isolation antenna for 5G mobile communication |
| CN114422045A (en) * | 2021-12-30 | 2022-04-29 | 中国电子科技集团公司第二十九研究所 | Design method of phased array channel amplitude and phase correction network and storage medium |
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| CN112039561A (en) * | 2019-05-17 | 2020-12-04 | 罗森伯格技术（昆山）有限公司 | Massive MIMO antenna assembly and sub-module testing method thereof |
| CN110112575A (en) * | 2019-05-27 | 2019-08-09 | 上海安费诺永亿通讯电子有限公司 | A kind of extensive MIMO array antenna |
| CN110198172B (en) * | 2019-07-05 | 2024-05-24 | 中天宽带技术有限公司 | Calibration network of array antenna and base station antenna |
| CN110198172A (en) * | 2019-07-05 | 2019-09-03 | 深圳市深大唯同科技有限公司 | A kind of calibration network and antenna for base station of array antenna |
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Application publication date: 20171215 |