CN103490175B - A kind of integrated base station antenna - Google Patents
A kind of integrated base station antenna Download PDFInfo
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- CN103490175B CN103490175B CN201310444351.7A CN201310444351A CN103490175B CN 103490175 B CN103490175 B CN 103490175B CN 201310444351 A CN201310444351 A CN 201310444351A CN 103490175 B CN103490175 B CN 103490175B
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- 230000005540 biological transmission Effects 0.000 claims description 12
- 230000007246 mechanism Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 abstract description 6
- 230000006855 networking Effects 0.000 abstract description 4
- 238000013468 resource allocation Methods 0.000 abstract description 2
- 230000011514 reflex Effects 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005388 cross polarization Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 239000000546 pharmaceutical excipient Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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Abstract
The invention discloses a kind of integrated base station antenna, described antenna for base station includes source antenna part, passive antenna sections and connector; Described active antenna part and passive antenna sections share an antenna cover; Described active antenna part and passive antenna sections are arranged side by side, and the surface of described active antenna part and the surface of described passive antenna sections substantially parallel, described active antenna part and passive antenna sections are fixed as one by described connector.Passive antenna is according to main flow passive antenna standard design, active antenna scheme the radio frequency part of antenna for base station is focused on inner antenna to adopt multichannel radio frequency and antenna element to coordinate, implementation space beam forming, complete the transmitting-receiving of radiofrequency signal, by configuring the difference of AAE active antenna element, control flexibly and the functions such as MIMO with the wave beam realizing practical communication networking, realize more flexibly dynamic resource allocation and share, to reach the target of the whole network best performance and lower fullnet networking cost.
Description
Technical field
The present invention relates to the antenna for base station field of mobile communication, particularly relate to a kind of integrated base station antenna active antenna and passive antenna are combined into one.
Background technology
Along with network frequency range, standard get more and more, the terrace of astronomical cycle is caused to become increasingly complex, operator's lease terrace not only difficulty greatly but also costly, in key city, hot zones evolves to from 2G/3G the mode that LTE adopts multimode co-sited, makes terrace resource at full stretch.On the other hand, operator urgently wishes on the basis not affecting existing network business, to adopt simple LTE (wireless network) overlay network to solve the evolution of LTE, to reduce the cost.Support that multiband multimode, miniaturization, low-power consumption, high performance base station equipment become the new pursuit of operator.At present to the expansion that antenna uses, be the expansion by simple wireless network, and be subject to the restriction of resource, this expansion difficulty is large, and efficiency is low.
Summary of the invention
The object of the present invention is to provide a kind of integration of active and passive optical transmission antenna for base station being convenient to install, solve and how to make antenna for base station expand and do not affect the technical problem of existing network business.The invention provides a kind of integrated base station antenna, described antenna for base station includes source antenna part, passive antenna sections and connector; Described active antenna part and passive antenna sections share an antenna cover; Described active antenna part and passive antenna sections are arranged side by side, and the surface of described active antenna part and the surface of described passive antenna sections substantially parallel, the degree be independent of each other is reached to make described active antenna part and described passive antenna sections, described active antenna part and passive antenna sections are fixed as one by described connector, described active antenna radiating element adopts n-point feed paster vibrator, and described active antenna radiating element adopts individual layer paster or double-layer paster.
Preferably, passive antenna sections comprises passive antenna reflecting plate, passive antenna radiating element, passive antenna power splitter, passive antenna phase shifter, passive antenna drive mechanism, passive antenna rf joint, and described passive antenna radiating element, passive antenna power splitter, passive antenna phase shifter, passive antenna drive mechanism, passive antenna rf joint are installed on reflecting plate.
Preferably, the width of described passive antenna reflecting plate is between 0.7 ~ 1.1 wavelength of operating center frequency, on the coaxial length direction being set in qually spaced in described passive antenna reflecting plate of described passive antenna radiating element, described spacing is between 0.7 ~ 0.9 wavelength of operating center frequency.
Preferably, active antenna part includes source antenna reflecting plate, active antenna radiating element, active antenna power division network unit, active antenna calibration network unit, active antenna radio-frequency joint, and described active antenna radiating element, active antenna power division network unit, active antenna calibration network unit, active antenna radio-frequency joint are arranged on described active antenna reflecting plate.
Preferably, the width of described active antenna reflecting plate is between 0.75 ~ 1.25 wavelength of operating center frequency, on the coaxial length direction being set in qually spaced in described active antenna reflecting plate of described active antenna radiating element, described spacing is between 0.7 ~ 0.9 wavelength of operating center frequency.
Preferably, described active antenna radiating element adopts 3 feeds or four-point feed.
Preferably, described active antenna power division network unit comprises feed tab, micro-band matching section and microstrip power divider, described feed tab, micro-band matching section and microstrip power divider form as one, and described active antenna power division network unit and described active antenna assembly of radiating elements are at the homonymy of described source antenna reflecting plate.
Preferably, described active antenna calibration network comprises coupler and power splitter, and described coupler is connected with described power splitter; Described power splitter is one point of N road, and described coupler is N number of, and N is the number of the output of described active antenna power division network.
Preferably, the output of described active antenna power division network is connected by transmission line with one end of the described coupler of described active antenna calibration network, other one end of described coupler is connected with the described power splitter of described active antenna calibration network, and the described power splitter of described active antenna calibration network is connected by transmission line with described active antenna radio-frequency joint.
Compared with prior art, advantage of the present invention is, because active antenna and passive antenna have employed relatively independent oscillator and network respectively, and have employed side-by-side parallel mode and combines, influencing each other between minimizing two antenna can be gone up to greatest extent, ensure respective electrical performance indexes; Extended the scope of application of antenna by active antenna and passive antenna integrated setting, low cost realizes multiband Multi-Mode Base Station equipment.
And, passive antenna is according to main flow passive antenna standard design, can directly replace existing network antenna, do not affect existing network business, and active antenna scheme the radio frequency part of antenna for base station is focused on inner antenna to adopt multichannel radio frequency and antenna element to coordinate, implementation space beam forming, completes the transmitting-receiving of radiofrequency signal.By configuring the difference of AAE active antenna element, controlling flexibly and the function such as MIMO with the wave beam realizing practical communication networking, realizing dynamic resource allocation and sharing, to reach the target of the whole network best performance and lower fullnet networking cost more flexibly.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention integrated base station entire physical structural perspective;
Fig. 2 is the described passive antenna structural perspective in Fig. 1;
Fig. 3 is the described Active Antenna Configurations stereogram in Fig. 1.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.Below in conjunction with concrete accompanying drawing, realization of the present invention is described in detail.
Fig. 1 is the overall structure stereogram of embodiment of the present invention integration of active and passive optical transmission antenna for base station embodiment.Mainly comprise passive antenna 1, active antenna 2, first connector 3, second connector 4 as shown in Figure 1.Passive antenna 1 and active antenna 2 share an antenna cover, passive antenna 1 and active antenna 2 are arranged side by side, and passive antenna 1 is substantially parallel with the surface of active antenna 2, it should be noted that, be arranged side by side and be common implication side by side, refer to that passive antenna 1 is substantially identical with the direction that active antenna 2 spatially extends, passive antenna 1 is with active antenna 2, the size of a direction (Figure 1 shows that above-below direction) is significantly less than the size in two other direction, passive antenna 1 and active antenna 2 are approximately a long slab, passive antenna 1 and the surface of active antenna 2 just refer to maximum area, also the one side of minimum dimension is perpendicular to, also be the surface in definition usually, instead of side, as shown in Figure 1, be upper and lower surface, substantially parallel referring to need not be strictly defined as 90 degree, but when arranging again in the left and right certain limit of 90 degree, active antenna 2 and passive antenna 1 have reached the degree be independent of each other, can think substantially parallel.Described active antenna part and passive antenna sections are fixed as one by described connector; Preferably, in FIG, the first and second connectors 3 and 4 are connecting plate, are arranged on the two ends of the length direction on active antenna 2, and this preferred setting position is conducive to active antenna 2 and fixing the stablizing of passive antenna 1.Passive antenna 1 and active antenna 2 share an antenna cover.Described connecting plate 3 and 4 can be metal or nonmetallic materials according to the actual needs, is preferably aluminium.With bolts or the adhesives of connecting plate and active antenna or passive antenna.
Fig. 2 is the structural perspective of embodiment of the present invention passive antenna.As shown in Figure 1, this passive antenna mainly comprises reflecting plate 11, vibrator component 12, phase shifter package 13, barrier assembly 14, connector assembly 15, transmission component 16.Described reflecting plate 11 is for reflection communication signal, signal is made to have directivity, simultaneously for installing vibrator component 12, barrier assembly 14, phase shifter package 13, transmission component 16, connector assembly 15, reflecting plate 11 has certain overall width, and its overall width is preferably 0.7 ~ 1.1 wavelength between operating center frequency; Described vibrator component 12 forms passive antenna radiating element, for launching or receiving communication signal, on the coaxial length direction being equidistantly arranged in reflecting plate 11 of multiple described vibrator component 12, the spacing between adjacent two vibrator component 12 is 0.7-0.9 times of its operating center frequency corresponding wavelength.It should be noted that, the length of reflecting plate 11 is identical with the definition of common length, width, thickness with the definition of Width, specifically, the thickness of reflecting plate is very little, be approximated to a rectangle, the direction that length direction digital reflex board size is maximum, the direction that Width digital reflex board size is second largest.Barrier assembly 14 forms passive antenna power splitter, for realizing the distribution of amplitude and phase place; Phase shifter package 13, for realizing the phase place change of each delivery outlet, has the function of amplitude distribution simultaneously; Transmission component 16 is for realizing the accurate control to phase shifter; Connector assembly 15 forms passive antenna rf joint, and for connecting feeder line, transmitting radio frequency signal, phase shifter package 13 is arranged in reflecting plate 11 front and/or reverse side, drives phase shifter package 13 to move by transmission component 16, realizes lower decline angle adjustment.
Fig. 3 is the structural perspective of embodiment of the present invention active antenna.As shown in Figure 3, reflecting plate 21 is for reflection communication signal, signal is made to have directivity, simultaneously for being provided with source antenna radiating element 23, active antenna power division network unit 21, active antenna calibration network unit (not shown), active antenna radio-frequency joint (not shown), the overall width of reflecting plate 21 is between 0.75 ~ 1.25 wavelength of operating center frequency.Vibrator component 23 is configured with source antenna radiating element, for launching or receiving communication signal, described vibrator component 23 is individual layer or double-layer paster oscillator, adopt or 4 couple feed at 3, be preferably 3 couple feed double-layer paster oscillators, equidistantly arrange between described vibrator component between two, the spacing between adjacent two vibrator component 23 is 0.7-0.9 times of its operating center frequency corresponding wavelength.Feeding network 22 is configured with source antenna power division network unit, for giving active antenna radiating element feed, coupling standing wave, and distribute weights to each radiating element, feeding network 22 comprises oscillator feed tab, micro-band matching section and microstrip power divider, with assembly of radiating elements at reflecting plate homonymy, being preferably oscillator feed tab, micro-band matching section and microstrip power divider is overall structure, and described feeding network 22 can be any one distribution in one-to-two to point infinity; Active antenna calibration network unit, for calibrating amplitude and the phase place of each road active signal, described active antenna calibration network unit, comprise coupler and power splitter, coupler is connected with power splitter, and both can form as one and also can form separately independently separate part, and power splitter is one point of N road, coupler is N number of, and N is the total number having extraction slit; Active antenna radio-frequency joint, for being connected with source device, transmitting radio frequency signal, the radio-frequency joint of described active antenna can be overall centralized distribution, also can distribute for concentration of local formula.Vibrator component 23 along the length direction equidistant placement of reflecting plate in reflecting plate 21 front; Wherein the length of reflecting plate 21 is identical with the definition of common length, width, thickness with the definition of Width, specifically, the thickness of reflecting plate is very little, is approximated to a rectangle, the direction that length direction digital reflex board size is maximum, the direction that Width digital reflex board size is second largest.Feeding network 22 is arranged in reflecting plate front, feeding network 22 is positioned at below vibrator component 23, and the microstrip power divider of feeding network 22 can realize N (N is integer, N >=1) individual oscillator merit and divide, each feeding network 22 has two outputs, directly exports the output port as active antenna.The output of described feeding network 22 is connected by transmission line with the described coupler of described active antenna calibration network, the other one end of coupler is connected with the power splitter of described active antenna calibration network, and the power splitter of described active antenna calibration network is connected by transmission line with described active antenna radio-frequency joint.
Active antenna and passive antenna are combined into one by integrated base station antenna of the present invention, thus can utilize the function of active antenna and passive antenna fully, the function of extended base station antenna and coverage.And because active antenna and passive antenna adopt relatively independent oscillator and network, and have employed side-by-side parallel mode and combine, influencing each other between minimizing two antenna can be gone up to greatest extent, ensure respective electrical performance indexes.Further, owing to including passive antenna in integral antenna of the present invention, thus the business of application existing network can be made still can to use.
In the further Optimal improvements of the present invention, active antenna adopts the design of n-point feed paster vibrator can realize good cross polarization and isolation index, adopt feed tab, oscillator matching section, power splitter integrated design in reflecting plate front layout, minimum dimension and the minimum weight of antenna can be realized, also can eliminate the impact of active equipment on active antenna network stabilization; Carry out vertical plane integrative simulation in conjunction with active algorithm, determine the power splitter method of salary distribution and power splitter weights separately, the optimum state of each frequency under 0 ~ 20 ° of electrical tilt angle, each carrier wave excipient can be ensured.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. an integrated base station antenna, is characterized in that: described antenna for base station includes source antenna part, passive antenna sections and connector; Described active antenna part and passive antenna sections share an antenna cover; Described active antenna part and passive antenna sections are arranged side by side, and the surface of described active antenna part and the surface of described passive antenna sections substantially parallel, the degree be independent of each other is reached to make described active antenna part and described passive antenna sections, described active antenna part and passive antenna sections are fixed as one by described connector, described active antenna radiating element adopts n-point feed paster vibrator, and described active antenna radiating element adopts individual layer paster or double-layer paster.
2. integrated base station antenna according to claim 1, it is characterized in that: passive antenna sections comprises passive antenna reflecting plate, passive antenna radiating element, passive antenna power splitter, passive antenna phase shifter, passive antenna drive mechanism, passive antenna rf joint, described passive antenna radiating element, passive antenna power splitter, passive antenna phase shifter, passive antenna drive mechanism, passive antenna rf joint are installed on reflecting plate.
3. integrated base station antenna according to claim 2, it is characterized in that: the width of described passive antenna reflecting plate is between 0.7 ~ 1.1 wavelength of operating center frequency, on the coaxial length direction being set in qually spaced in described passive antenna reflecting plate of described passive antenna radiating element, described spacing is between 0.7 ~ 0.9 wavelength of operating center frequency.
4. integrated base station antenna according to claim 1, it is characterized in that: active antenna part includes source antenna reflecting plate, active antenna radiating element, active antenna power division network unit, active antenna calibration network unit, active antenna radio-frequency joint, described active antenna radiating element, active antenna power division network unit, active antenna calibration network unit, active antenna radio-frequency joint are arranged on described active antenna reflecting plate.
5. integrated base station antenna according to claim 4, it is characterized in that: the width of described active antenna reflecting plate is between 0.75 ~ 1.25 wavelength of operating center frequency, on the coaxial length direction being set in qually spaced in described active antenna reflecting plate of described active antenna radiating element, described spacing is between 0.7 ~ 0.9 wavelength of operating center frequency.
6. integrated base station antenna according to claim 1, is characterized in that: described active antenna radiating element adopts 3 feeds or four-point feed.
7. integrated base station antenna according to claim 4, it is characterized in that: described active antenna power division network unit comprises feed tab, micro-band matching section and microstrip power divider, described feed tab, micro-band matching section and microstrip power divider form as one, and described active antenna power division network unit and described active antenna assembly of radiating elements are at the homonymy of described source antenna reflecting plate.
8. integrated base station antenna according to claim 4, is characterized in that: described active antenna calibration network comprises coupler and power splitter, and described coupler is connected with described power splitter; Described power splitter is one point of N road, and described coupler is N number of, and N is the number of the output of described active antenna power division network.
9. integrated base station antenna according to claim 8, it is characterized in that: the output of described active antenna power division network is connected by transmission line with one end of the described coupler of described active antenna calibration network, other one end of described coupler is connected with the described power splitter of described active antenna calibration network, and the described power splitter of described active antenna calibration network is connected by transmission line with described active antenna radio-frequency joint.
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| CN104901025B (en) * | 2014-03-04 | 2019-07-09 | 中兴通讯股份有限公司 | A kind of implementation method and device, Anneta module of Anneta module |
| CN103996896B (en) * | 2014-05-16 | 2016-07-06 | 深圳国人通信股份有限公司 | Power splitter |
| CN104466362A (en) * | 2014-12-12 | 2015-03-25 | 浙江佳源通讯技术有限公司 | High-gain multi-frequency-band high-speed railway coverage planar antenna |
| KR101703744B1 (en) * | 2015-06-15 | 2017-02-07 | 주식회사 케이엠더블유 | Multi-line phase shifter in multi-band antenna of mobile communication base transceiver station |
| CN106329116A (en) * | 2016-08-31 | 2017-01-11 | 武汉虹信通信技术有限责任公司 | Small-scale LTE multi-array antenna |
| WO2018140305A1 (en) * | 2017-01-24 | 2018-08-02 | Commscope Technologies Llc | Base station antennas including supplemental arrays |
| CN107946780B (en) * | 2017-12-18 | 2024-05-28 | 普罗斯通信技术（苏州）有限公司 | Integrated base station antenna |
| CN110572833B (en) * | 2018-06-06 | 2022-10-14 | ***通信有限公司研究院 | Indoor distribution system and network side equipment |
| CN114464968A (en) * | 2018-09-20 | 2022-05-10 | 康普技术有限责任公司 | Base station antenna with double-sided phase shifter |
| WO2020072880A1 (en) | 2018-10-05 | 2020-04-09 | Commscope Technologies Llc | Reconfigurable multi-band base station antennas having self-contained sub-modules |
| CN110190382B (en) * | 2019-06-11 | 2020-08-04 | 武汉虹信通信技术有限责任公司 | Low-profile radiating element and base station antenna |
| MX2022011745A (en) | 2020-03-24 | 2022-10-13 | Commscope Technologies Llc | Radiating elements having angled feed stalks and base station antennas including same. |
| US11611143B2 (en) | 2020-03-24 | 2023-03-21 | Commscope Technologies Llc | Base station antenna with high performance active antenna system (AAS) integrated therein |
| DE202021003761U1 (en) | 2020-03-24 | 2022-03-25 | Commscope Technologies Llc | Base station antennas with an active antenna module and associated devices |
| CN117673762A (en) * | 2022-08-24 | 2024-03-08 | 中兴通讯股份有限公司 | Frequency selective surface and spatial filtering method |
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Effective date of registration: 20190212 Address after: 518000 Guangming Street, Guangming New District, Shenzhen City, Guangdong Province, Genyu Road, Mobi Science and Technology Building Co-patentee after: Mobile Antenna Technologies (Shenzhen) Co., Ltd. Patentee after: Mobi Technology (Shenzhen) Co., Ltd. Co-patentee after: Mobile Antenna Technologies (Jian) Co., Ltd. Co-patentee after: MOBI Technologies (Xi'an) Co., Ltd. Address before: 518057 Mobi Building, Langshan Road, North District of Nanshan High-tech Industrial Park, Shenzhen City, Guangdong Province Co-patentee before: Mobile Antenna Technologies (Jian) Co., Ltd. Patentee before: Mobile Antenna Technologies (Shenzhen) Co., Ltd. Co-patentee before: MOBI Technologies (Xi'an) Co., Ltd. |
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