CN103746193B - Smart antenna and calibrating installation thereof - Google Patents
Smart antenna and calibrating installation thereof Download PDFInfo
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- CN103746193B CN103746193B CN201310680890.0A CN201310680890A CN103746193B CN 103746193 B CN103746193 B CN 103746193B CN 201310680890 A CN201310680890 A CN 201310680890A CN 103746193 B CN103746193 B CN 103746193B
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Abstract
The invention discloses a kind of smart antenna, including reflecting plate, oscillator, end cap and the installing plate connecting reflecting plate and end cap, wherein, smart antenna also includes calibrating installation；Calibrating installation includes dielectric-slab, multiple joint and calibration network；Calibration network is printed on the surface of dielectric-slab, including power distributing network and multiple directional coupler of the formation of multiple power dividers；Arbitrary branch port of power distributing network connects a directional coupler；Joint inner core is directly connected with the signal input port closing road port or directional coupler of power distributing network, and a joint correspondence Single port；Calibrating installation is fixed on the side of installing plate；Installing plate is provided with at least one bending bar, and bending bar runs through calibrating installation and is fixed on reflecting plate.By the way, the present invention can reduce the size of smart antenna, and in calibrating installation calibration network, the conjunction road port of power distributing network is consistent with phase place to the amplitude of the signal of sub-array antenna.
Description
Technical field
The present invention relates to field of antenna, particularly relate to a kind of smart antenna and calibrating installation thereof.
Background technology
Along with TD SDMA (TimeDivision-SynchronousCodeDivisionMultipleAccess, TD-SCDMA) universal and timesharing Long Term Evolution (TimeDivisionLongTermEvolution, TD-LTE) development, smart antenna is as one of key technology, it has also become the emphasis of antenna industry research.
At present, 4-8 row subarray is designed in the horizontal plane direction that the method that realizes of smart antenna is array side by side, and each subarray is at least made up of 2 radiating elements in vertical direction.Compared to other antenna for base station, existing smart antenna is larger in size, heavier-weight, thus produces some shortcomings, as: one is that smart antenna cross section is relatively big, and wind load is big, can bring potential safety hazard at vile weathers such as high wind, increases difficulty of construction；Two is that the requirement of strength to smart antenna installing component is higher, increases cost；Three is be discord with surrounding smart antenna larger in size causing, makes the public think radiation installation of conflicting greatly by mistake, causes addressing difficulty.Therefore, the miniaturization of smart antenna has become a kind of trend.
Calibration network is as one of the core component of smart antenna, to ensureing that systematic function plays an important role.At present, calibration network is usually placed in front end or the back of antenna, causes that the length of antenna or thickness increase, is unfavorable for the miniaturization of smart antenna.And current calibration network is connected with radio frequency connector by cable, the error in length of cable can cause that the phase place of calibration network is inconsistent, and serious meeting causes smart antenna index to decline even cannot normal operation.
Summary of the invention
The technical problem that present invention mainly solves is to provide a kind of smart antenna and calibrating installation thereof, it is possible to reduce the size of smart antenna, and in calibrating installation calibration network, the conjunction road port of power distributing network is consistent with phase place to the amplitude of the signal of antenna oscillator.
For solving above-mentioned technical problem, the technical scheme that the present invention adopts is: provide a kind of smart antenna, and including reflecting plate, oscillator, end cap and the installing plate connecting reflecting plate and end cap, wherein, smart antenna also includes calibrating installation；Calibrating installation includes dielectric-slab, multiple joint and calibration network；Calibration network is printed on the surface of dielectric-slab, including power distributing network and multiple directional coupler of the formation of multiple power dividers；Arbitrary branch port of power distributing network connects a directional coupler；Joint inner core is directly connected with the signal input port closing road port or directional coupler of power distributing network, and a joint correspondence Single port；Calibrating installation is fixed on the side of installing plate；Installing plate is provided with at least one bending bar, and bending bar runs through calibrating installation and is fixed on reflecting plate.
Wherein, calibrating installation includes junction block and cable, wherein, is arranged at the junction block of directional coupler signal output port for welding cable.
Wherein, cable is connected with oscillator.
Wherein, joint is radio frequency connector, sequentially passes through end cap, installing plate and calibrating installation.
For solving above-mentioned technical problem, the technical scheme that the present invention adopts is: provide a kind of intelligent antenna calibration device, including dielectric-slab, multiple joint and calibration network；Calibration network is printed on the surface of dielectric-slab, including multiple power dividers and multiple directional coupler；Multiple power dividers form power distributing network, and arbitrary branch port of power distributing network connects a directional coupler；Joint inner core is directly connected with the signal input port closing road port or directional coupler of power distributing network, and a joint correspondence Single port.Wherein, intelligent antenna calibration device also includes junction block and cable, wherein, is arranged at the junction block of directional coupler signal output port for welding cable.
Wherein, the connected mode of the signal input port closing road port or directional coupler of the inner core of joint and power distributing network is for welding.
Wherein, joint is radio frequency connector.
Wherein, dielectric-slab is pcb board.
The invention has the beneficial effects as follows: being different from the situation of prior art, intelligent antenna calibration device of the present invention includes dielectric-slab, multiple joint and calibration network；Being printed with calibration network on dielectric-slab, calibration network includes multiple power divider and multiple directional coupler, and wherein, multiple power dividers form power distributing network, and arbitrary branch port of power distributing network connects a directional coupler；Joint inner core is directly connected with the signal input port closing road port or directional coupler of power distributing network, and a joint correspondence Single port.Dielectric-slab owing to being printed with calibration network is close to smart antenna installing plate surface and is fixed, and is placed in front end or the back of smart antenna relative to existing calibration network, can reduce the size of smart antenna.Simultaneously as joint inner core is directly connected with the signal input port closing road port or directional coupler of power distributing network, the conjunction road port that can make power distributing network is consistent with phase place to the amplitude of the signal of antenna oscillator.
Accompanying drawing explanation
Fig. 1 is the structural representation that intelligent antenna calibration device of the present invention is fixed on installing plate one embodiment；
Fig. 2 is the structural representation of smart antenna one embodiment of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in detail.
Referring to Fig. 1, Fig. 1 is the structural representation that intelligent antenna calibration device of the present invention is fixed on installing plate one embodiment, as it is shown in figure 1, include installing plate 11, dielectric-slab 12, multiple joint 13 and calibration network 14；Wherein, dielectric-slab 12, multiple joint 13 and calibration network 14 belong to calibrating installation.
In the present embodiment, dielectric-slab 12 is fixed on the side of installing plate 11, and joint 13 is fixed on the opposite side of installing plate 11.
Calibration network 14 is printed on the surface of dielectric-slab 12, for smart antenna is calibrated, including multiple power dividers 141 and multiple directional coupler 142；Multiple power dividers 141 form power distributing network, and arbitrary branch port of power distributing network connects a directional coupler 142.
Joint 13 runs through installing plate 11 and dielectric-slab 12, and its inner core is directly connected with the signal input port closing road port or directional coupler 142 of power distributing network, and a joint correspondence Single port.It is joined directly together for reducing phase error when joint 13 is connected with the signal input port cable of directional coupler 142.
In the present embodiment, intelligent antenna calibration device also includes junction block 15 and cable 16, wherein, is arranged at the junction block 15 of directional coupler 142 signal output port for welding cable 16.
Wherein, junction block 15 may utilize welded post makes cable 16 vertical with dielectric-slab 12, or directly adopts the mode snapping access slot on dielectric-slab 12 to make cable 16 and dielectric-slab 12 be arranged in parallel.
In the present embodiment, the connected mode of the signal input port closing road port or directional coupler 142 of the inner core of joint 13 and power distributing network is for welding.
In the present embodiment, installing plate 11 is provided with at least one bending bar 111 near the direction of dielectric-slab 12, and bending bar 111 runs through dielectric-slab 12.
In the present embodiment, dielectric-slab 12 is pcb board, and joint 13 is radio frequency connector.
In the present embodiment, dielectric-slab 12 is close on installing plate 11, is fixed by the mode of screw or rivet.Joint 13 is fixed on installing plate 11 by screw.In other embodiments, the fixed form of available equivalence is fixed.
In the present embodiment, calibrating installation is provided with some sheet metals, is used for tuning the interference of electromagnetic field.
Refer to Fig. 2, Fig. 2 is the structural representation of smart antenna one embodiment of the present invention, as in figure 2 it is shown, include: calibrating installation and antenna, wherein, antenna include reflecting plate 21, the oscillator 22 that is positioned on reflecting plate 21, end cap 23 and connect the installing plate 24 of reflecting plate 21 and end cap 23.
Wherein, calibrating installation is the calibrating installation shown in Fig. 1, including dielectric-slab 31, multiple joint 32, calibration network 33 and cable 34.
Wherein, installing plate 24 is provided with at least one bending bar 241.
In the present embodiment, the signal output port of calibrating installation directional coupler is connected with oscillator 22.
Specifically, the cable 34 of calibrating installation is connected with oscillator 22.In calibrating installation, each directional coupler for realizing coupling between a branch port and an antenna element array of power distributing network.
Wherein, partial cables 34 can be connected through reflecting plate 21 with oscillator 22 after bending, and this mode can conveniently connect up.
In the present embodiment, calibrating installation is fixed on the side of installing plate 24, and the bending bar 241 on installing plate 24 runs through calibrating installation and is fixed on reflecting plate 21.Wherein, fixed form is for being spirally connected or other modes.
In the present embodiment, end cap 23 is fixed on the opposite side of installing plate, and wherein, fixed form is for being spirally connected or other modes.
In the present embodiment, joint 32 is radio frequency connector, sequentially passes through end cap 23, installing plate 24 and calibrating installation.
In sum, the present invention changes the feeding classification of conventional calibration device, is specially joint and is joined directly together with calibration network, can reduce the phase error of calibration network.Calibrating installation alignment network utilisation dielectric-slab of the present invention is installed on a mounting board, makes calibration network be not take up the inner space of smart antenna in length and thickness, reduces the size of smart antenna.And calibrating installation of the present invention can be used for small intelligent antenna, electrical specifications is good, simple in construction, is suitable for producing in enormous quantities.
The foregoing is only embodiments of the 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 (9)
1. a smart antenna, including reflecting plate, oscillator, end cap and the installing plate connecting reflecting plate and end cap, it is characterised in that include calibrating installation；
Described calibrating installation includes dielectric-slab, multiple joint and calibration network；Described calibration network is printed on the surface of dielectric-slab, including power distributing network and multiple directional coupler of the formation of multiple power dividers；Arbitrary branch port of described power distributing network connects a directional coupler；Described joint inner core is directly connected with the signal input port closing road port or directional coupler of described power distributing network, and a joint correspondence Single port；
Described calibrating installation is fixed on the side of installing plate；
Described installing plate is provided with at least one bending bar, and described bending bar runs through described calibrating installation and is fixed on described reflecting plate；
Described joint sequentially passes through described end cap, installing plate and calibrating installation.
2. smart antenna according to claim 1, it is characterised in that described calibrating installation includes junction block and cable, wherein, is arranged at the junction block of directional coupler signal output port for welding cable.
3. smart antenna according to claim 2, it is characterised in that described cable is connected with described oscillator.
4. smart antenna according to claim 3, it is characterised in that described joint is radio frequency connector.
5. an intelligent antenna calibration device, it is characterised in that include dielectric-slab, multiple joint and calibration network；
Described calibration network is printed on the surface of dielectric-slab, including multiple power dividers and multiple directional coupler；The plurality of power divider forms power distributing network, and arbitrary branch port of described power distributing network connects a directional coupler；
Described joint inner core is directly connected with the signal input port closing road port or directional coupler of described power distributing network, and a joint correspondence Single port.
6. device according to claim 5, it is characterised in that described intelligent antenna calibration device includes junction block and cable, wherein, is arranged at the junction block of directional coupler signal output port for welding cable.
7. device according to claim 6, it is characterised in that the connected mode of the signal input port closing road port or directional coupler of the inner core of described joint and power distributing network is for welding.
8. device according to claim 7, it is characterised in that described joint is radio frequency connector.
9. device according to claim 8, it is characterised in that described dielectric-slab is pcb board.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310680890.0A CN103746193B (en) | 2013-12-13 | 2013-12-13 | Smart antenna and calibrating installation thereof |
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| CN201310680890.0A CN103746193B (en) | 2013-12-13 | 2013-12-13 | Smart antenna and calibrating installation thereof |
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| CN103746193A CN103746193A (en) | 2014-04-23 |
| CN103746193B true CN103746193B (en) | 2016-07-06 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104051848A (en) * | 2014-07-03 | 2014-09-17 | 广东健博通科技股份有限公司 | Intelligent vertical scanning antenna |
| CN105790860B (en) * | 2014-12-25 | 2020-12-29 | 中兴通讯股份有限公司 | Antenna coupling calibration system |
| CN105244625B (en) * | 2015-10-28 | 2017-11-10 | 武汉滨湖电子有限责任公司 | A kind of C-band integration microstrip antenna |
| CN107394393A (en) * | 2017-06-22 | 2017-11-24 | 瑞声科技(新加坡)有限公司 | Antenna system |
| CN109066084B (en) * | 2018-08-01 | 2023-09-29 | 京信通信技术(广州)有限公司 | Large-scale MIMO array antenna and antenna system |
| WO2021000262A1 (en) * | 2019-07-02 | 2021-01-07 | 瑞声声学科技(深圳)有限公司 | Base station antenna |
| CN116192293A (en) * | 2022-12-27 | 2023-05-30 | 江苏亨鑫科技有限公司 | Novel intelligent antenna calibration network |
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| CN102055506A (en) * | 2010-12-23 | 2011-05-11 | 西安海天天线科技股份有限公司 | Time division-synchronization code division multiple access (TD-SCDMA) and time division-long term evolution (TD-LTE) intelligent antenna multi-channel broadband calibration network |
| CN203644956U (en) * | 2013-12-13 | 2014-06-11 | 京信通信技术(广州)有限公司 | Intelligent antenna and calibrating device thereof |
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| US7209078B2 (en) * | 2004-08-31 | 2007-04-24 | Navini Networks, Inc. | Antenna array calibration |
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| CN2755871Y (en) * | 2004-11-17 | 2006-02-01 | 大唐移动通信设备有限公司 | Couple calibrating network device of linear-arranging intelligent antenna array |
| CN2805114Y (en) * | 2005-06-09 | 2006-08-09 | 摩比天线技术（深圳）有限公司 | Intelligent antenna array |
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Effective date of registration: 20170123 Address after: 510663 Guangzhou Science City, Guangdong Shenzhou Road, No. 10 Patentee after: Comba Telecom Systems (China) Co., Ltd. Patentee after: Jingxin Communication Technology (Guangzhou) Co. Ltd. Patentee after: Comba Telecom Systems (Guangzhou) Co., Ltd. Patentee after: TIANJIN COMBA TELECOM SYSTEMS CO., LTD. Address before: 510663 Guangdong city of Guangzhou Province Economic and Technological Development Zone Jinbi Road No. 6 Patentee before: Jingxin Communication Technology (Guangzhou) Co. Ltd. |
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Effective date of registration: 20200120 Address after: 510730 No. 6, layered Road, Guangzhou economic and Technological Development Zone, Guangdong Patentee after: Jingxin Communication Technology (Guangzhou) Co., Ltd. Address before: 510663 Guangzhou Science City, Guangdong Shenzhou Road, No. 10 Co-patentee before: Jingxin Communication Technology (Guangzhou) Co., Ltd. Patentee before: Jingxin Communication System (China) Co., Ltd. Co-patentee before: Jingxin Communication System (Guangzhou) Co., Ltd. Co-patentee before: TIANJIN COMBA TELECOM SYSTEMS CO., LTD. |