CN101950846A - Active integrated antenna system - Google Patents
Active integrated antenna system Download PDFInfo
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- CN101950846A CN101950846A CN201010276317XA CN201010276317A CN101950846A CN 101950846 A CN101950846 A CN 101950846A CN 201010276317X A CN201010276317X A CN 201010276317XA CN 201010276317 A CN201010276317 A CN 201010276317A CN 101950846 A CN101950846 A CN 101950846A
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Abstract
The invention discloses an active integrated antenna system. The system comprises an antenna pedestal, wherein the antenna pedestal is provided with an antenna array, a feed network, a feed power supply, a monitoring unit and a radio frequency amplification unit. The radio frequency amplification unit is connected with the feed network, the feed power supply and the monitoring unit, so that the radio frequency amplification unit is integrated in the antenna system and a signal can be actively amplified and controlled when the antenna system receives and transmits the radio frequency signal. Because an amplification circuit is integrated in an antenna, the output power is directly connected with the antenna array to be transmitted, no energy loss is caused in the process, and the power loss and increasing of noise coefficient, which are caused by feeder loss, are greatly reduced. In addition, due to the structural design of the system, the system has more advantages in both aspects of cost and reliability.
Description
Technical field
The present invention relates to the antenna of mobile communication base station field, especially relate to a kind of active integral antenna system.
Background technology
Along with the progress of science and technology development and economic society, mobile communication has been brought into play more and more important effect in daily life.End to the end of the year 2009, China's mobile communication subscriber quantity has broken through 700,000,000, and this quantity is also constantly increasing at a high speed.Especially since providing from 3G license in 2009, begun the Large scale construction of new round base station after the operator.
Antenna for base station is the most basic, the requisite part of mobile communication, and in the construction in the past, the downstream signal of base station is connected to antenna for base station by feeder line and launches; In like manner, the mobile phone transmit uplink signal of antenna for base station reception is connected to the base station by feeder line.And the base station is to tens meters at least of the feeder lines between the antenna for base station, rice up to a hundred at most, and the long more loss of feeder line is also just big more; For example: the GSM900 system, 100 meters feeder losses at least all have 4dB, have been equivalent to lose 60% power.For other standards, 3G system especially, frequency is higher, and feeder loss is also big more.For the downstream signal of base station, feeder loss means powerful loss, and powerful realization will be paid the high cost of cost and technology; For the mobile phone transmit uplink signal that antenna for base station receives, feeder loss means the increase of noise factor, and the increase of noise factor will make the base station receiving sensitivity reduce, and reduces the coverage of base station.At present can only increase tower amplifier below antenna for base station for the bigger system of feeder loss remedies, but the increase by of tower amplifier is the complexity that causes system to install, the 2nd, and the stability that powerful tower amplifier is positioned over outdoor its system will reduce greatly.
Even feeder loss can solve by the method that increases tower amplifier between base station and the antenna for base station, but the inherent loss of the inner feeding network of passive antenna for base station can't be eliminated, this inherent loss is at least all more than 1dB, be equivalent at least 20% energy loss, for large-signal, also mean the more loss of multipotency.
At present, energy-saving and emission-reduction are the common topics of the whole mankind, and Chinese Government also promises to undertake to international community, to the year two thousand twenty, China's per GDP carbon emission amount reduced 40%～45% than 2005, and moving communicating field also is imperative as energy resource consumption very large field energy-saving and emission-reduction.
Summary of the invention
At the problems referred to above, the object of the present invention is to provide the high active integral antenna system of a kind of low-power consumption, reliability.
The technical scheme that the present invention is adopted for its technical problem of solution is:
A kind of active integral antenna system, comprise antenna base, antenna base is equipped with aerial array, feeding network and power supply and monitoring unit, it is characterized in that: described antenna base also is equipped with the radio frequency amplifying unit, the radio frequency amplifying unit is connected with monitoring unit with power supply with feeding network, make the radio frequency amplifying unit be integrated in the antenna system,, can realize the active amplification and the control of signal with in the reception and emission of antenna system realization to radiofrequency signal.
Further improvement as such scheme, described antenna base is made up of antenna-reflected plate and heating panel, described antenna-reflected plate and heating panel and radome are combined to form a cavity, above-mentioned aerial array, radio frequency amplifying unit, feeding network and power supply and monitoring unit are placed in and constitute incorporate antenna system jointly in this cavity, and reflecting plate, radome and heating panel formation one be waterproof but also the antenna system shell that dispels the heat not only.
Further, described radio frequency amplifying unit comprises a complete amplifying circuit of up-downgoing and the up diversity amplifying circuit of list.
Further, the complete amplifying circuit of described up-downgoing comprises two duplexers, the upward signal amplifying circuit, the downstream signal amplifying circuit, up radio frequency control circuit, downlink radio frequency control circuit and radio frequency monitoring circuit, described two duplexers and upward signal amplifying circuit, the downstream signal amplifying circuit, up radio frequency control circuit, the downlink radio frequency control circuit links to each other in twos to form and closes the road, described radio frequency monitoring circuit links to each other with the downlink radio frequency control circuit with up radio frequency control circuit respectively, a described duplexer also links to each other with aerial array, and another duplexer is connected with feeding network.
Further, the up diversity amplifying circuit of described list comprises two filters, upward signal amplifying circuit and up radio frequency control circuit, described two filters link to each other with up radio frequency control circuit with the upward signal amplifying circuit, constitute series circuit, wherein, a filter also links to each other with aerial array, and another filter links to each other with feeding network.
Further, described aerial array is made up of a plurality of antenna oscillators, and described antenna oscillator directly links to each other with the radio frequency amplifying unit or closes Lu Houyu radio frequency amplifying unit in twos and directly links to each other.
In addition, described antenna oscillator is the dual polarization oscillator that can use different frequency range according to the different system needs.
The invention has the beneficial effects as follows:
The present invention is as a kind of active integral antenna system, on the one hand, because the present invention directly is integrated in amplifying circuit antenna inside, power output directly connects the aerial array emission, middle without any energy loss, greatly reduce because the power loss that feeder loss is brought and the increase of noise factor; On the other hand, traditional passive antenna is launched through aerial array after utilizing feeding network that the high-power signal of importing is shunted to small-power, and signal is shunted to multichannel then through directly entering the aerial array emission after the amplifying circuit amplification through feeding network earlier in the active integral system, guaranteeing under the situation that original power output equates, high-powerly some small-power sums have been divided into, and low power realization is all to have bigger advantage on cost or reliability; Secondly,, make base station system simplify more, made things convenient for the networking and the installation of system owing to take the thought of integrated design; In addition, active integral antenna of the present invention system has solved the power dissipation problem that feeding network brings in feeder loss between original system base station and the antenna for base station and the passive antenna, make the efficient of whole base station system improve greatly, for whole system has been saved a large amount of electric energy.
Description of drawings
The present invention will be further described below in conjunction with the drawings and specific embodiments:
Fig. 1 is an overall structure block diagram of the present invention;
Fig. 2 is a radio frequency amplifying unit internal relations block diagram of the present invention;
Fig. 3 is a primary path systematic schematic diagram of the present invention;
Fig. 4 is a diversity transit system schematic diagram of the present invention;
Fig. 5 is aerial array of the present invention and antenna-reflected plate schematic diagram;
Fig. 6 is antenna heating panel of the present invention, radio frequency amplifying unit, power supply and monitoring unit structural representation;
Fig. 7 is a surface structure schematic diagram of the present invention.
Embodiment
With reference to Fig. 1～Fig. 4, a kind of active integral antenna system, comprise antenna base, antenna base is equipped with aerial array 1, feeding network 3 and power supply and monitoring unit 4, it is characterized in that: described antenna base also is equipped with radio frequency amplifying unit 2, and radio frequency amplifying unit 2 is connected with monitoring unit 4 with power supply with feeding network 3, makes radio frequency amplifying unit 2 be integrated in the antenna system, with in the reception and emission of antenna system realization, can realize the active amplification and the control of signal to radiofrequency signal.
Described antenna base is made up of antenna-reflected plate 5 and heating panel 7, described antenna-reflected plate 5 and heating panel 7 are combined to form a cavity with radome 6, above-mentioned aerial array 1, radio frequency amplifying unit 2, feeding network 3 and power supply and monitoring unit 4 are placed in and constitute incorporate antenna system jointly in this cavity, and reflecting plate 5, radome 6 and heating panel 7 constitute not only a waterproof but also the antenna system shell that dispels the heat.
As the preferred embodiment of the present invention, described radio frequency amplifying unit 2 comprises a complete amplifying circuit 21 of up-downgoing and the up diversity amplifying circuit 22 of list, the complete amplifying circuit 21 of described up-downgoing comprises two duplexers 211, upward signal amplifying circuit 212, downstream signal amplifying circuit 213, up radio frequency control circuit 214, downlink radio frequency control circuit 215 and radio frequency monitoring circuit 216, described two duplexers 211 and upward signal amplifying circuit 212, downstream signal amplifying circuit 213, up radio frequency control circuit 214, downlink radio frequency control circuit 215 links to each other in twos to form and closes the road, described radio frequency monitoring circuit 216 links to each other with downlink radio frequency control circuit 215 with up radio frequency control circuit 214 respectively, a described duplexer 211 also links to each other with aerial array 1, and another duplexer 211 is connected with feeding network 3; The up diversity amplifying circuit 22 of described list comprises two filters 221, upward signal amplifying circuit 212 and up radio frequency control circuit 214, described two filters 221 link to each other with up radio frequency control circuit 214 with upward signal amplifying circuit 212, constitute series circuit, wherein, a filter 221 also links to each other with aerial array 1, and another filter 221 links to each other with feeding network 3.
As Fig. 1～shown in Figure 4, the primary path of radio frequency amplifying unit 2 and diversity path be two different directions of corresponding dual polarization oscillator respectively.The complete amplifying circuit 21 of up-downgoing is the radio frequency path that two-way amplifies separately, amplify uplink and downlink signals respectively, the high-power amplification of wherein descending main employing obtains bigger transmitting power, and up mainly be to adopt low noise to amplify the noise factor that reduces up reception, improve the base station receiving sensitivity.Two ports of the complete amplifying circuit 21 of up-downgoing all carry out the road of closing of uplink and downlink signals by integrated duplexer 211, be connected with feeding network 3 with aerial array 1 again.Single up diversity is amplified electric 22 tunnel mobile phone transmit uplink signals that only aerial array 1 received and is amplified, inner integrated upstream filter 221, the base station downstream signal is suppressed, single up diversity amplifying circuit 22 1 ends connect aerial array 1, the other end connects feeding network 3, its effect mainly is to adopt low noise to amplify the noise factor that reduces up reception, improve the base station receiving sensitivity, can use 221 pairs of downstream signals of integrated upstream filter to carry out Filtering Processing in single up diversity amplifying circuit 22, avoid downstream signal to disturb normal upward signal to amplify.
Above-mentioned radio frequency control circuit 214 can be monitored the state of radio frequency path, comprises gain, power, temperature, standing-wave ratio, LNA alarm, power amplifier alarm etc.When taking place, abnormal conditions can protect control also can adjust the peak power output of up-downgoing path gain and downstream signal as required to path; satisfy the needs of opening station and user; when taking place, abnormal conditions can cut off the up-downgoing path; the protection internal module; avoid causing even more serious fault; radio frequency monitoring circuit 214 is communicated by letter with the radio frequency amplifying unit by internal interface; can monitor radio frequency path; can read states such as comprising temperature, power, alarm on the one hand, gain, the power equivalent of radio frequency path can be set on the other hand.
Above-mentioned feeding network 3 utilizes and divides the length of mixer and radio frequency cable to change to the amplitude and the phase place of each antenna oscillator, thereby realizes specific antenna pattern, and feeding network 3 can design according to different directional diagram demands.The signal that enters antenna carries out shunt and adjustment by feeding network 3 earlier, obtain specific amplitude of each antenna oscillator and phase place, entering 2 pairs of every roads of radio frequency amplifying unit again carries out amplifying with width of cloth homophase, so last amplifying circuit can remedy the loss that feeding network 3 brings on the one hand, on the other hand, amplify the design that also can not change 3 pairs of antenna oscillator amplitudes of feeding network and phase place with width of cloth homophase.
Above-mentioned power supply and monitoring unit 4 can be converted into externally fed the required direct current of inner each radio frequency amplifying unit, and it uses DC/DC fragment of brick power supply, and outside DC-48V power supply input is changed into the required DC+28V power supply of internal radio frequency amplifying unit; Monitor portion general+28V the demultiplexing of always powering is supplied with a plurality of radio frequency amplifying units, simultaneously the power supply on every road is monitored, and is provided with control circuit, when abnormal conditions take place, can cut off the power supply to the unit, and protection is provided.In addition, described power supply and monitoring unit 4 can carry out centralized monitor to whole system inside, comprise power module and each radio frequency amplifying unit, and external energy carries out Detection ﹠ Controling by it to whole system, comprise to each radio frequency amplifying unit gain, the isoparametric setting of power.
As the preferred embodiment of the present invention, described aerial array 1 is made up of a plurality of antenna oscillators 11, described antenna oscillator 11 directly links to each other with radio frequency amplifying unit 2 or closes Lu Houyu radio frequency amplifying unit 2 in twos and directly links to each other, and antenna oscillator 11 is the dual polarization oscillator that can use different frequency range according to the different system needs.
As Fig. 5～shown in Figure 7, above-mentioned aerial array 1 can be selected the antenna oscillator 11 of corresponding frequency band according to different frequency range, also can be according to the different choice varying number of aerial radiation parameter and the antenna oscillator 11 of form.One of them main pole direction of dual polarization oscillator realizes the emission of primary path downstream signal and the reception of upward signal, and another polarised direction realizes the reception of diversity path upward signal.
Above-mentioned antenna-reflected plate 5 is the carrier of aerial array 1, adjusts antenna radiation performance, and realizes the electromagnetic isolation of aerial array 1 and internal radio frequency amplifying unit 2, power supply and monitoring unit 4.Antenna-reflected plate 5 is carrying aerial array 1, can change its size or shape according to antenna oscillator 11 radiation demands, reflecting plate is the all-metal material simultaneously, fixing hole above the reflecting plate 5 must be fixed with metallic screw, reach the effect of metallic shield, thereby make the signal of antenna oscillator 11 radiation not disturb radio frequency amplifying unit 2 and power supply and monitoring unit 4 by the space of reflecting plate 5.
Above-mentioned radome 6 usefulness waterproof materials are made, for aerial array 1 and inner other parts provide waterproofing protection.
Above-mentioned heating panel 7, as the carrier of inner all parts, inside has source module to carry out natural heat dissipation by heating panel, and provides waterproofing protection with radome 6 to antenna inside.Heating panel is carrying inner all parts such as radio frequency amplifying unit 2, power supply and monitoring unit 4, reflecting plate 5, wherein radio frequency amplifying unit 2 directly is close to heating panel with power supply, the heat that is produced is transmitted to heating panel 7 natural heat dissipations to outside, guarantee the stability of system works, and form a sealed whole body with radome 6, guarantee not intaking of internal system.
In sum, novel structure of the present invention, integrated degree is high and low in energy consumption, dependable performance, therefore has a extensive future.
More than preferable enforcement of the present invention is specified; certainly; the present invention can also adopt form different from the embodiment described above; those of ordinary skill in the art should belong in protection scope of the present invention conversion of being done under the prerequisite of spirit of the present invention that is equal to or corresponding the change.
Claims (7)
1. active integral antenna system, comprise antenna base, antenna base is equipped with aerial array (1), feeding network (3) and power supply and monitoring unit (4), it is characterized in that: described antenna base also is equipped with radio frequency amplifying unit (2), radio frequency amplifying unit (2) is connected with monitoring unit (4) with power supply with feeding network (3), make radio frequency amplifying unit (2) be integrated in the antenna system, with in the reception and emission of antenna system realization, can realize the active amplification and the control of signal to radiofrequency signal.
2. a kind of active integral antenna according to claim 1 system, it is characterized in that: described antenna base is made up of antenna-reflected plate (5) and heating panel (7), described antenna-reflected plate (5) and heating panel (7) are combined to form a cavity with radome (6), above-mentioned aerial array (1), radio frequency amplifying unit (2), feeding network (3) and power supply and monitoring unit (4) are placed in and constitute incorporate antenna system jointly in this cavity, and reflecting plate (5), radome (6) and heating panel (7) constitute not only a waterproof but also the antenna system shell that dispels the heat.
3. a kind of active integral antenna according to claim 1 and 2 system, it is characterized in that: described radio frequency amplifying unit (2) comprises a complete amplifying circuit of up-downgoing (21) and a up diversity amplifying circuit of list (22).
4. a kind of active integral antenna according to claim 3 system, it is characterized in that: the complete amplifying circuit of described up-downgoing (21) comprises two duplexers (211), upward signal amplifying circuit (212), downstream signal amplifying circuit (213), up radio frequency control circuit (214), downlink radio frequency control circuit (215) and radio frequency monitoring circuit (216), described two duplexers (211) and upward signal amplifying circuit (212), downstream signal amplifying circuit (213), up radio frequency control circuit (214), downlink radio frequency control circuit (215) links to each other in twos to form and closes the road, described radio frequency monitoring circuit (216) links to each other with downlink radio frequency control circuit (215) with up radio frequency control circuit (214) respectively, a described duplexer (211) also links to each other with aerial array (1), and another duplexer (211) is connected with feeding network (3).
5. a kind of active integral antenna according to claim 3 system, it is characterized in that: the up diversity amplifying circuit of described list (22) comprises two filters (221), upward signal amplifying circuit (212) and up radio frequency control circuit (214), described two filters (221) link to each other with up radio frequency control circuit (214) with upward signal amplifying circuit (212), constitute series circuit, wherein, a filter (221) also links to each other with aerial array (1), and another filter (221) links to each other with feeding network (3).
6. a kind of active integral antenna according to claim 1 and 2 system, it is characterized in that: described aerial array (1) is made up of a plurality of antenna oscillators (11), and described antenna oscillator (11) directly links to each other with radio frequency amplifying unit (2) or closes Lu Houyu radio frequency amplifying unit (2) in twos and directly links to each other.
7. a kind of active integral antenna according to claim 6 system, it is characterized in that: described antenna oscillator (11) is for using the dual polarization oscillator of different frequency range according to the different system needs.
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| CN 201010276317 CN101950846B (en) | 2010-09-03 | 2010-09-03 | Active integrated antenna system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010276317 CN101950846B (en) | 2010-09-03 | 2010-09-03 | Active integrated antenna system |
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| CN101950846A true CN101950846A (en) | 2011-01-19 |
| CN101950846B CN101950846B (en) | 2013-02-20 |
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| WO2011113388A2 (en) * | 2011-04-26 | 2011-09-22 | 华为技术有限公司 | Integrated antenna, base station and communication system |
| CN102509896A (en) * | 2011-09-28 | 2012-06-20 | 华为技术有限公司 | Antenna unit, antenna device and antenna installing method |
| CN102593612A (en) * | 2012-02-15 | 2012-07-18 | 广东通宇通讯股份有限公司 | Antenna system |
| CN102740509A (en) * | 2012-06-14 | 2012-10-17 | 华为技术有限公司 | Active antenna and base station |
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| CN105049102A (en) * | 2015-08-07 | 2015-11-11 | 苏州市吴通天线有限公司 | High-frequency millimeter wave integrated antenna system |
| CN107210512A (en) * | 2015-02-26 | 2017-09-26 | 华为技术有限公司 | Radio unit housing and antenna for base station module |
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| CN102740508B (en) * | 2012-05-18 | 2016-04-06 | 京信通信***（中国）有限公司 | Active covering array |
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| CN102882010B (en) * | 2012-09-26 | 2016-05-04 | 深圳市云海通讯股份有限公司 | A kind of active antenna |
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| CN107210512A (en) * | 2015-02-26 | 2017-09-26 | 华为技术有限公司 | Radio unit housing and antenna for base station module |
| CN105049102A (en) * | 2015-08-07 | 2015-11-11 | 苏州市吴通天线有限公司 | High-frequency millimeter wave integrated antenna system |
| US11205836B2 (en) | 2017-09-07 | 2021-12-21 | Tongyu Communication Inc. | Base station antenna and antenna array module thereof |
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| CN112201942A (en) * | 2019-07-08 | 2021-01-08 | 深圳市大富科技股份有限公司 | Active antenna unit |
| CN112201941A (en) * | 2019-07-08 | 2021-01-08 | 深圳市大富科技股份有限公司 | Active antenna unit |
| CN113950775A (en) * | 2020-03-24 | 2022-01-18 | 康普技术有限责任公司 | Base station antenna with active antenna module and related apparatus and methods |
| US11482774B2 (en) | 2020-03-24 | 2022-10-25 | Commscope Technologies Llc | Base station antennas having an active antenna module and related devices and methods |
| US11611143B2 (en) | 2020-03-24 | 2023-03-21 | Commscope Technologies Llc | Base station antenna with high performance active antenna system (AAS) integrated therein |
| US11652300B2 (en) | 2020-03-24 | 2023-05-16 | Commscope Technologies Llc | Radiating elements having angled feed stalks and base station antennas including same |
| US11749881B2 (en) | 2020-03-24 | 2023-09-05 | Commscope Technologies Llc | Base station antennas having an active antenna module and related devices and methods |
| US11909121B2 (en) | 2020-03-24 | 2024-02-20 | Commscope Technologies Llc | Radiating elements having angled feed stalks and base station antennas including same |
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|---|---|
| CN101950846B (en) | 2013-02-20 |
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