CN105790860A - Antenna coupling calibration system - Google Patents
Antenna coupling calibration system Download PDFInfo
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- CN105790860A CN105790860A CN201410828787.0A CN201410828787A CN105790860A CN 105790860 A CN105790860 A CN 105790860A CN 201410828787 A CN201410828787 A CN 201410828787A CN 105790860 A CN105790860 A CN 105790860A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
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Abstract
The invention discloses an antenna coupling calibration system. The system comprises a backboard and a plurality of antenna coupling calibration modules which are connected to the backboard and are integrally designed, wherein each antenna coupling calibration module comprises a plurality of antenna elements, a feed network and a coupling calibration network, wherein the antenna elements are used for transmitting and receiving radio-frequency signals; the feed network is connected to the antenna elements and is used for transmitting the radio-frequency signals which are transmitted and received by the antenna elements; and the coupling calibration network is connected to the feed network and the backboard and is used for returning the transmitted and received radio-frequency signals to the antenna elements through the feed network after coupling and transmitting the transmitted and received radio-frequency signals to the backboard. According to the antenna coupling calibration system provided by the invention, modular design is carried out on the coupling calibration network and the antenna to meet scene co-construction and sharing of a site address of a base station and diverse demands of antenna application, so that the demands of an operator are solved and the maintenance cost is reduced.
Description
Technical field
The present invention relates to communication field, particularly relate to antenna coupling calibration system.
Background technology
Antenna for base station is the important component part that mobile communication wireless accesses system, and its development is subject to the impact, particularly mobile communications network of many factors constantly to the expansion of breadth and depth, causes station layout more and more intensive.The arrival of 4G communication era, it is meant that operator needs to build more base station.On the one hand, the development of mobile communication, new system is constantly released, and antenna for base station is proposed new demand, and meanwhile, operator, in order to provide higher-quality network service, continues to increase the input of networking, builds more base station；On the other hand, the environmental consciousness of people is constantly strengthened, and urban construction strides forward towards the direction of " ecocity ", " green city ", and this makes the development of base station construction and antenna for base station all suffer from new challenge.
Along with being continuously increased of the network coverage and capacity, operator is more and more urgent to base station site demand, obtains more and more difficult.Although carrying out, by the mode of Joint construction and sharing, the base station site that fetching portion is new, it has also become the shared vision of Ge Jia operator, but the operating level of reality there is also some problem demanding prompt solutions.It would therefore be highly desirable to design a kind of antenna system that disclosure satisfy that diversified demand.
Summary of the invention
A kind of antenna coupling calibration system of offer is provided, it is intended to the integrated design by antenna Yu coupling calibration networks, both are carried out modularity, realize the purpose of multichannel, many working frequency range, multi-operation mode base station common antenna, thus meeting the diversified demand of antenna applications.
For achieving the above object, a kind of antenna coupling calibration system provided by the invention, described antenna coupling calibration system includes the antenna coupling calibration module of a backboard and several integrated designs being connected with described backboard, and described antenna coupling calibration module includes:
Several antenna element, for transceiving radio frequency signal；
Feeding network, is connected with described antenna element, for transmitting the radiofrequency signal of described antenna element transmitting-receiving；
Coupling calibration networks, is connected with described feeding network and described backboard, for returning to described antenna element by described feeding network after the radiofrequency signal of transmitting-receiving being coupled；And by the radio signal transmission of transmitting-receiving to described backboard.
Preferably, described antenna coupling calibration module also includes dielectric-slab, described antenna element and described coupling calibration networks and is arranged on same dielectric-slab.
Preferably, described antenna element and described coupling calibration networks are respectively arranged at the tow sides of described dielectric-slab, described dielectric-slab is provided with via, described antenna element and described coupling calibration networks and connects by described via is corresponding.
Preferably, the intermediate layer of described dielectric-slab is provided with the ground plane being connected with described coupling calibration networks and described antenna element and the metallic reflection plate being connected with described antenna element.
Preferably, the described antenna element number in described antenna coupling calibration module, type, shape are identical with spacing.
Preferably, described coupling calibration networks also includes:
Microstrip directional coupler, couples for the radiofrequency signal that described backboard and described antenna element are transmitted；
Branch combiner, is divided into multi-channel rf signal for the road radiofrequency signal transmitted by described backboard；The multi-channel rf signal syntheses one tunnel radiofrequency signal that antenna element is transmitted.
Preferably, described antenna coupling calibration system also includes the first radio frequency connector and the second radio frequency connector, described backboard couples calibration module with described antenna and is connected via described first radio frequency connector, and described backboard is connected via described second radio frequency connector with base station.
Preferably, described microstrip directional coupler includes the first microstrip line and the second microstrip line, and one end of described first microstrip line is connected via described via is corresponding with described antenna element, and the other end of described first microstrip line is connected with described first radio frequency connector；One termination matched load of described second microstrip line or ground, the other end of described second microstrip line is connected with described branch combiner.
Preferably, described antenna coupling calibration module also includes:
Antenna spacer, is used for the intensity of isolation and the antenna house improving between described antenna element.
Preferably, described backboard includes branch and closes road network and shielding cavity, and described branch is closed road network and is positioned in described shielding cavity, for increase rate and phase equalization.
Antenna provided by the invention coupling calibration system, the antenna including a backboard and several integrated designs being connected with described backboard couples calibration module, and described antenna coupling calibration module includes: several antenna element, for transceiving radio frequency signal；Feeding network, is connected with described antenna element, for transmitting the radiofrequency signal of described antenna element transmitting-receiving；Coupling calibration networks, is connected with described feeding network and described backboard, for returning to described antenna element by described feeding network after the radiofrequency signal of transmitting-receiving being coupled；And by the radio signal transmission of transmitting-receiving to described backboard.Antenna provided by the invention coupling calibration system, carries out modularized design by coupling calibration networks and antenna, meets base station site Joint construction and sharing scene, meet the diversified demand of antenna applications, thus solving the demand of operator better, reduces maintenance cost.
Accompanying drawing explanation
Fig. 1 is the system block diagram of inventive antenna coupling calibration system one embodiment；
Fig. 2 is the schematic top plan view of inventive antenna coupling calibration system one embodiment；
Fig. 3 is the stereochemical structure schematic side view of inventive antenna coupling calibration system one embodiment；
Fig. 4 is the schematic layout pattern of antenna element first embodiment described in Fig. 1；
Fig. 5 is the schematic layout pattern of antenna element the second embodiment described in Fig. 1；
Fig. 6 is the schematic layout pattern of coupling calibration networks first embodiment described in Fig. 1；
Fig. 7 is the schematic layout pattern of backboard first embodiment described in Fig. 1；
Fig. 8 is the schematic layout pattern of backboard the second embodiment described in Fig. 1.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Detailed description of the invention
Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention.
The present invention provides a kind of antenna coupling calibration system, with reference to Fig. 1, Fig. 1 is the system block diagram of inventive antenna coupling calibration system one embodiment, in one embodiment, described antenna coupling calibration system includes the antenna coupling calibration module 200 of a backboard 100 and several integrated designs being connected with described backboard 100, and described antenna coupling calibration module 200 includes:
Several antenna element 230, for transceiving radio frequency signal；
Feeding network 220, is connected with described antenna element 230, for transmitting the radiofrequency signal of described antenna element 230 transmitting-receiving；
Coupling calibration networks 210, is connected with described feeding network 220 and described backboard 100, for returning to described antenna element 230 by described feeding network 220 after the radiofrequency signal of transmitting-receiving being coupled；And by the radio signal transmission of transmitting-receiving to described backboard 100.
The antenna coupling calibration system that the present embodiment provides, with further reference to Fig. 1, described antenna coupling calibration system includes a backboard 100 and two antenna coupling calibration modules 200, the present embodiment depict only the example of two antenna mould antenna coupling calibration modules 200, in concrete antenna arrangement, the number of antenna coupling calibration module 200 is not limited thereto, it is possible to be one, it is also possible to be two or more.
In the present embodiment, each antenna coupling calibration module 200 includes two antenna element 230, feeding network 220 and coupling calibration networks 210, and three is integrated in same module.Antenna element 230 can be one, it is also possible to is two or more.The space layout mode of antenna element 230 can need to put according to three dimensions according to actual design.The connection of feeding network 220 and coupling calibration networks 210 can pass through the mode that the mode etc. of radio frequency connector or via effectively connects.
These signals, for realizing transmission up with base station system, down link signal, are then transferred to each antenna coupling calibration module by backboard 100 respectively；Couple calibration module 200 by antenna and be transferred to the calibration link of base station.
In the present embodiment, the configuration of modules and connecting method can be determined according to concrete antenna applications demand.Wherein, the diversified demand of antenna applications mainly includes erection requirement, sectorization demand, multi-antenna mode demand, coverage effect demand, polyphyly altogether antenna feeder demand etc..
As shown in Figure 2, Fig. 2 is the schematic top plan view of inventive antenna coupling calibration system one embodiment, for brevity, modularity antenna coupling calibration networks system described in Fig. 2 depict only four antenna coupling calibration modules 200, wherein, each coupling calibration module 200 antenna element 230 containing equal number, in fig. 2, gives the example that each coupling calibration module 200 all includes eight antenna element 230.In practice, antenna element 230 quantity that the module number of the coupling calibration module 200 comprised and coupling calibration module 200 comprise is not limited.Each coupling calibration module 200 is placed in backboard 100 form above can carry out setting parallel or not parallel, equal or unequal, can adjust accordingly according to actual design demand.
As shown in Figure 3, Fig. 3 is the stereochemical structure schematic side view of inventive antenna coupling calibration system one embodiment, and described modularity antenna coupling calibration networks device includes: four antenna coupling 200, backboard the 100, first radio frequency connector 300, second radio frequency connectors 400 of calibration module.Described antenna coupling calibration module 200 includes: antenna element 230, coupling calibration networks 210, feeding network 220, wherein, antenna element 230 and coupling calibration networks 210 are separately positioned on positive and negative two faces of dielectric-slab 240, the intermediate layer of dielectric-slab 240 is simultaneously as ground plane and metallic reflection plate 260, antenna element 230 adopts via 250 mode to be connected with coupling calibration networks 210 by after feeding network 220, the antenna coupling integrated separate modular of calibration module 200.During practical application, dielectric-slab 240 is PCB (PrintedCircuitBoard, printed circuit board (PCB)), and wherein, the one side of described dielectric-slab 240 arranges antenna element 230, the another side printing coupling calibration networks 210 of described dielectric-slab 240；The intermediate layer of described dielectric-slab 240, as the ground plane of coupling calibration networks 210 and antenna element 230, also serves as the metallic reflection plate 250 of antenna element 230 simultaneously, strengthens the directed radiation of antenna element 230.
With further reference to Fig. 3, in figure 3, the antenna coupling antenna element 230 that comprises of calibration module 200 is eight dual polarized antenna a period of time, and parallel is spaced at equal intervals；In practice, the number of antenna element 230 can be identical, it is possible to differs；Antenna element 230 can be linear array, annular array or other irregularly shaped arrangements, it is possible to is equidistant arrangement, it is also possible to is unequal-interval arrangement；The type of the antenna element 230 that each antenna coupling calibration module 200 comprises can be identical, it is possible to different；Can be oriented approach, single polarization mode, it is also possible to be dual polarization mode；Oriented approach can be at any angle, for instance 30 °, 60 ° etc.；The dual polarization mode of antenna element 230 can be horizontal vertical polarization, it is also possible to be ± 45 ° of polarization.
The coupling calibration networks 210 that each antenna coupling calibration module 200 comprises includes microstrip directional coupler 270 and branch combiner 280, the number of microstrip directional coupler 270 is identical with the number of antenna element 230, and one_to_one corresponding, after the feeding network 220 of each antenna element 230 realizes parallelly feeding with forms such as microstrip lines, the microstrip directional coupler corresponding with in coupling calibration networks 210 via via 250 is connected, antenna element 230 and coupling calibration networks 210 is made to be arranged on same dielectric-slab 240, from without adopting the modes such as cable welding, therefore extensive antenna element it is particularly suited for, and convenient production, improve production efficiency.
Further, described backboard 100 includes: dielectric-slab 110, dielectric-slab 110 is printed circuit pcb board, the ground plane 130 of road network 120 is closed as branch in described dielectric-slab 110 intermediate layer, the one side that antenna is just coupling calibration module 200 arranges branch conjunction road network 120, and the power branch/conjunction road signal passed over for each antenna couples calibration module 200 calibrates link to base station system after carrying out mixed transfer.
The descending calibration operation link flow process of the antenna coupling calibration system that the present embodiment provides is: the 32 tunnel radiofrequency signals sended over from the downlink of base station are input to backboard 100 by 32 the second radio frequency connectors 400 respectively, it is transferred to four antenna coupling calibration modules 200 then through 32 the first radio frequency connectors 300, carry out coupling and " to wait differential loss through each antenna coupling calibration module 200, Deng phase shift " mode synthesize a road signal after, backboard 100 is exported back by the first radio frequency connector 300, close after road network 120 synthesizes a road signal again through the branch of backboard 100, the calibration link being transferred to base station by the second radio frequency connector 400 is calibrated.
The up calibration operation link flow process of the antenna coupling calibration system that the present embodiment provides is: from the calibration signal of calibration link be input to backboard 100 by described second radio frequency connector 400, through backboard 100 branch close road network 120 be divided into four road signals, transmit to each antenna coupling calibration module 200 respectively through the first radio frequency connector 300, calibration module 20 is coupled " to wait differential loss by each antenna, Deng phase shift " mode be divided into eight road signals coupling after, respectively by 300 defeated times backboards of described eight the first radio frequency connectors 100, enter back into the up-link of base station system.
Described first radio frequency connector the 300, second radio frequency connector 400 is all arranged in the non-edge elongated area of the inside of antenna coupling calibration module 200 and backboard 100, thus being conducive to miniaturized structure and integrated, what other were any like be reliably connected mode all can use, and repeats no more.
As shown in Figure 4, Fig. 4 is the schematic layout pattern of antenna element first embodiment, described antenna element 230 includes the first a period of time row 231 and second a period of time row 322, each rows of array elements is by four antenna element formed by dual polarization a period of time 230, antenna element 230 becomes+45 ° and-45 ° of polarised directions about vertical direction or horizontal direction, is used for launching or receiving radiofrequency signal.Neighbouring a period of time row adopts between two the structures such as microstrip line carry out parallelly feeding mode between a period of time to be connected, be connected with microstrip directional coupler via via 250.Wherein, each antenna element 230 can be parallel, equidistantly arranged evenly, it is possible to be interleaved with, unequal-interval various combination arranged evenly or this several ways arranged evenly.Antenna element 230 can be metal a period of time, it is also possible to be microstrip structure or paster structure, and antenna element 230 can be dual polarization mode, it is also possible to be single polarization mode.
With further reference to the schematic layout pattern of the second embodiment of antenna element described in Fig. 5, Fig. 5, in order to strengthen the isolation between array element, it is possible to difference horizontally set first antenna dividing plate 261 between adjacent first antenna a period of time row 231 and second a period of time row 232.In order to optimize performance further, can also in units of antenna element 230, surrounding arranges dividing plate, namely the second antenna spacer 262 intersected vertically with first antenna dividing plate 261 can be increased, third antenna dividing plate 263 and the 4th antenna spacer 264, first antenna side plate 271 can also be increased in antenna element surrounding simultaneously, first antenna side plate 272, third antenna side plate 273 and the 4th antenna side plate 274, the mode that antenna spacer and four cycle side plates add is not limited only to the mode shown in the present embodiment, wherein, described antenna spacer can be individually designed, can also be integrated on antenna cover structure, thus improving antenna house intensity, strengthen antenna system security and stability.Other modes such as minor flaps can also be increased so that each bay has more independent space above bay.In practice, each antenna couples the number of antenna element 230 of calibration module 200, layout, type can be identical, it is also possible to different, can make corresponding adjustment according to real base station demand.
As shown in Figure 6, Fig. 6 is the schematic layout pattern of coupling calibration networks first embodiment, and described coupling calibration networks 210 includes the two-in-one branch combiner 280 of eight identical microstrip directional couplers 270, seven and the first radio frequency connector 300.
The number of described microstrip directional coupler 270 is identical with the number of antenna element 230, and adopts two parallel microstrip lines of close metal, so having splendid properties of product concordance.Described microstrip directional coupler 270 includes the first microstrip line 241 and the second microstrip line 242, one end of described first microstrip line 241 is connected via described via 250 is corresponding with described antenna element 230, and the other end of described first microstrip line 241 is connected with described first radio frequency connector 300；One termination matched load 290 of described second microstrip line 242 or ground, the other end of described second microstrip line 242 is connected with described branch combiner 280.Wherein, the resistance of matched load 290 is 50 Ω, is provided with isolation resistance 243 between two intervals of each branch combiner 280.
The number of branch combiner 280 is limited to the way of signal transmission, in the present embodiment, have employed two-in-one branch combiner 280, it is therefore desirable to seven branch combiners 280 complete the transmission of eight road signals, transmit to the first radio frequency connector 300 eventually through synthesizing a road signal.Close the branch combiner 280 of four according to one, after eight antenna element 230 and eight microstrip directional couplers 270 are set, then have only to one the one branch combiner closing four and one conjunction two and complete the branch/conjunction road of eight road signals.
In practice, the coupling calibration networks 210 of each antenna coupling calibration module 200 adjusts accordingly according to actual antennas a period of time number, preferably, each antenna coupling calibration module 200 is identical setting, namely same antenna a period of time number, identical coupling calibration networks, so that each channel transmission signal is identical through path, each transmission channel is symmetrical, thus facilitating interchannel amplitude-phase consistency to debug.
As shown in Figure 7, Fig. 7 is the schematic layout pattern of backboard first embodiment, upper and lower both sides 32 the first radio frequency connectors 300 arranged in parallel, for up, the downlink radio signal transmission from base station being given the microstrip directional coupler of each coupling calibration networks 210, the signal being realized coupling four pieces of antennas calibration module 200 by three two-in-one branch combiners 280 is combined into a road, and is transferred to the calibration link of base station by the second radio frequency connector 400.Also can be realized being combined into the signal of four pieces of modules one tunnel by one the one branch combiner closing four, and need to adjust accordingly according to actual design.
In practice, the branch of rear panel module is closed the microstrip circuit of road network 120 and is coupled the microstrip circuit of calibration module 200 with antenna due to factors such as spacing are inadequate, can there is mutual coupling in signal each other, the amplitude and the phase characteristic that cause respective channel micro-strip cabling are likely to occur discreteness in passband, for improving channel amplitude and phase equalization, as shown in Figure 8, the branch in the middle of backboard 100 is closed road network 120 to be placed in shielding cavity 150.Or cover upper absorbing material, or antenna is coupled between calibration module 200 and backboard 100, adopt radio frequency connector with cable to be connected, or widen the spacing between antenna coupling calibration module 200 and backboard 100, or the branch conjunction road network 120 in the middle of backboard 100 is pulled out individually designed, cable mode is adopted to be connected to backboard 100, or cut the corner of the antenna coupling the calibration module 200 just branch of backboard 100 closed above road network 120, thus ensureing that branch closes the top of road network 120 is open space.
Simultaneously, the dielectric-slab 110 of antenna coupling calibration module 200 and backboard 10 is avoid the EMC (ElectroMagneticCompatibility owing to the crosstalk being close between microstrip line causes, electromagnetic compatibility) problem, improve equipment performance, in hole, microstrip line and radio frequency connector surrounding many increase ground during design, holding wire spacing as far as possible remote, ground level is tried one's best the measure such as complete, or the measure of the reduction cross talk effects of other any like functions all can use.
The antenna coupling calibration system that the present embodiment provides, coupling calibration networks and antenna are carried out modularized design, and by the quantity of flexible configuration module, connected mode etc., the base station of multichannel, multiband, many bases system and combination in any thereof can be applicable to, thus meeting more base station site Joint construction and sharing scene, solve the demand of operator better, reduce maintenance cost.
These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the present invention and accompanying drawing content to make or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, all in like manner include in the scope of patent protection of the present invention.
Claims (10)
1. an antenna coupling calibration system, it is characterised in that described antenna coupling calibration system includes the antenna coupling calibration module of a backboard and several integrated designs being connected with described backboard, and described antenna coupling calibration module includes:
Several antenna element, for transceiving radio frequency signal；
Feeding network, is connected with described antenna element, for transmitting the radiofrequency signal of described antenna element transmitting-receiving；
Coupling calibration networks, is connected with described feeding network and described backboard, for returning to described antenna element by described feeding network after the radiofrequency signal of transmitting-receiving being coupled；And by the radio signal transmission of transmitting-receiving to described backboard.
2. a kind of antenna coupling calibration system as claimed in claim 1, it is characterised in that described antenna coupling calibration module also includes dielectric-slab, described antenna element and described coupling calibration networks and is arranged on same dielectric-slab.
3. a kind of antenna coupling calibration system as claimed in claim 2, it is characterized in that, described antenna element and described coupling calibration networks are respectively arranged at the tow sides of described dielectric-slab, described dielectric-slab is provided with via, described antenna element and described coupling calibration networks connect by described via is corresponding.
4. a kind of antenna coupling calibration system as described in any one of claim 2 to 3, it is characterized in that, the intermediate layer of described dielectric-slab is provided with the ground plane being connected with described coupling calibration networks and described antenna element and the metallic reflection plate being connected with described antenna element.
5. a kind of antenna coupling calibration system as claimed in claim 1, it is characterised in that the described antenna element number in described antenna coupling calibration module, type, shape are identical with spacing.
6. a kind of antenna coupling calibration system as claimed in claim 1, it is characterised in that described coupling calibration networks also includes:
Microstrip directional coupler, couples for the radiofrequency signal that described backboard and described antenna element are transmitted；
Branch combiner, is divided into multi-channel rf signal for the road radiofrequency signal transmitted by described backboard；The multi-channel rf signal syntheses one tunnel radiofrequency signal that described antenna element is transmitted.
7. antenna coupling calibration system as claimed in claim 3, it is characterized in that, described antenna coupling calibration system also includes the first radio frequency connector and the second radio frequency connector, described backboard couples calibration module with described antenna and is connected via described first radio frequency connector, and described backboard is connected via described second radio frequency connector with base station.
8. antenna coupling calibration system as claimed in claim 7, it is characterized in that, described microstrip directional coupler includes the first microstrip line, the second microstrip line, one end of described first microstrip line is connected via described via is corresponding with described antenna element, and the other end of described first microstrip line is connected with described first radio frequency connector；One termination matched load of described second microstrip line or ground, the other end of described second microstrip line is connected with described branch combiner.
9. antenna coupling calibration system as claimed in claim 1, it is characterised in that described antenna coupling calibration module also includes:
Antenna spacer, is used for the intensity of isolation and the antenna house improving between described antenna element.
10. the antenna coupling calibration system as described in any one of claim 5 to 9, it is characterised in that described backboard includes branch and closes road network and shielding cavity, and described branch is closed road network and is positioned in described shielding cavity, for increase rate and phase equalization.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410828787.0A CN105790860B (en) | 2014-12-25 | 2014-12-25 | Antenna coupling calibration system |
| PCT/CN2015/078893 WO2016101501A1 (en) | 2014-12-25 | 2015-05-13 | Antenna coupling calibration system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410828787.0A CN105790860B (en) | 2014-12-25 | 2014-12-25 | Antenna coupling calibration system |
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| CN105790860A true CN105790860A (en) | 2016-07-20 |
| CN105790860B CN105790860B (en) | 2020-12-29 |
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| CN106898877A (en) * | 2017-02-20 | 2017-06-27 | 武汉虹信通信技术有限责任公司 | A kind of closely spaced array antenna of blindmate structure |
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| CN106898877A (en) * | 2017-02-20 | 2017-06-27 | 武汉虹信通信技术有限责任公司 | A kind of closely spaced array antenna of blindmate structure |
| CN106898877B (en) * | 2017-02-20 | 2020-07-10 | 武汉虹信通信技术有限责任公司 | Dense array antenna with blind-mate structure |
| WO2019084720A1 (en) * | 2017-10-30 | 2019-05-09 | 华为技术有限公司 | Antenna, antenna assembly, and base station |
| US11316257B2 (en) | 2017-10-30 | 2022-04-26 | Huawei Technologies Co., Ltd. | Antenna, antenna assembly, and base station |
| WO2019095691A1 (en) * | 2017-11-15 | 2019-05-23 | 华为技术有限公司 | Signal transceiving device, and base station |
| US11329686B2 (en) | 2017-11-15 | 2022-05-10 | Huawei Technologies Co., Ltd. | Signal transceiver apparatus and base station |
| CN111869005A (en) * | 2018-03-27 | 2020-10-30 | 维尔塞特公司 | Circuit architecture for distributed multiplexing of control signals and element signals for phased array antennas |
| CN110247198A (en) * | 2019-07-02 | 2019-09-17 | 瑞声光电科技（苏州）有限公司 | A kind of antenna for base station |
| WO2021000262A1 (en) * | 2019-07-02 | 2021-01-07 | 瑞声声学科技(深圳)有限公司 | 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 |
| 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 |
| CN114006663A (en) * | 2021-09-18 | 2022-02-01 | 中国电子科技集团公司第二十九研究所 | Correction method and correction system for improving correction efficiency |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016101501A1 (en) | 2016-06-30 |
| CN105790860B (en) | 2020-12-29 |
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