CN103840865A - Intelligent antenna device supporting multiple network types - Google Patents
Intelligent antenna device supporting multiple network types Download PDFInfo
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- CN103840865A CN103840865A CN201210479499.XA CN201210479499A CN103840865A CN 103840865 A CN103840865 A CN 103840865A CN 201210479499 A CN201210479499 A CN 201210479499A CN 103840865 A CN103840865 A CN 103840865A
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Abstract
The invention discloses an intelligent antenna device which supports a plurality of network types. The main content of the invention includes: a combination port of a first combiner is connected with a first oscillator of a configured first antenna array; a combination port of a second combiner is connected with a second oscillator of a configured second antenna array. The second oscillator and the first oscillator are identical in horizontal position. A first shunt port of the first combiner and a first shunt port of the second combiner are connected with two shunt ports of a first power splitter respectively. A combination port of the first power splitter is connected with a multi-type antenna port through a phase-shift network. The first power splitter enables the shapes of output horizontal-plane direction wave-beam patterns meet the coverage demands of signals of a plurality of kinds of network types through determination of the amplitudes and phase positions of downlink signals output by the first oscillator and the second oscillator so that under a condition that the prior intelligent antenna structure is not changed, coexistence of the signals of the plurality of types of networks is realized and thus resources for system construction are saved.
Description
Technical field
The present invention relates to moving communicating field, relate in particular to a kind of smart antenna equipment of supporting multiple network standard.
Background technology
Along with mobile communication technology development, except by second generation global mobile communication breath system (2GGSM) network and synchronous CDMA (Code Division Multiple Access) (3G TD-SCDMA etc.) network of third generation time-division of building, be about to enter the epoch of the 4th time-division in generation Long Term Evolution (4G TD-LTE) network at present.But, support the large customer base of 2G, 3G network within one period of considerable time, to exist, therefore, in existing communications network system, will there is multiple communication network standard the situation of depositing.
At present, multiple network operations commercial city has the network system of 2G, 3G multiple types, considers the application of 4G network, will make antenna feeder resource become at full stretch, and therefore, realizing 2G and 3G communication network colocation site and shared antenna becomes development necessity.
In the prior art, operator is in the time disposing antenna for base station, and the deployment way of two kinds of antennas below, has appearred in the requirement simultaneously covering in order to meet the multiple network standard signals such as 2G, 3G and LTE:
First kind of way: the antenna of supporting GSM standard is placed up and down with the antenna (being smart antenna) of supporting TD-SCDMA standard, as shown in Figure 1, for supporting the antenna and the antenna schematic diagram of vertical placement side by side of supporting TD-SCDMA standard of GSM standard.
Wherein, in the antenna of support GSM standard, conventionally comprise one group of aerial array, in the antenna of support TD-SCDMA standard, conventionally comprised many groups aerial array (as: four groups of aerial arrays).
Particularly, support TD-SCDMA standard antenna above set up the antenna of supporting GSM standard; Or support GSM standard antenna above set up the antenna of supporting TD-SCDMA standard.
Wherein, the frequency of the network signal of the GSM standard that the antenna of support GSM standard can be launched is 900M and 1800M, or single 900M, or single 1800M; The frequency of the network signal of the TD-SCDMA standard that the antenna of support TD-SCDMA standard can be launched is FAD frequency range (being 1880-1920MHz, 2010-2025MHz, 2500-2690MHz).
Particularly, the sky line width of placing up and down, between 2700-3000mm, has seriously limited the large-scale application of the antenna of this framework.
The second way: the antenna of supporting GSM standard is placed with the antenna horizontal Tile of supporting TD-SCDMA standard, as shown in Figure 2, for supporting the antenna and the schematic diagram of supporting that the antenna horizontal Tile of TD-SCDMA standard is placed of GSM standard.
Particularly, establish at a bogie side frame of the antenna of supporting TD-SCDMA standard the antenna of supporting GSM900/1800M standard, the sky line width that horizontal Tile is placed is between 450-500mm.
Although the second way has shortened the width of antenna, but at the intersecting area (oval part in seeing Fig. 2) of supporting the antenna of GSM standard and the antenna of support TD-SCDMA standard, the effect of signals of the F-band of the second harmonic signal of GSM900 to TD standard is larger, to make TD standard noise level improve, affect communication quality;
Summary of the invention
The embodiment of the present invention provides a kind of smart antenna equipment of the GSM of support network formats, for solving prior art in the situation that not changing existing smart antenna width, cannot realize the shared problem of GSM network formats and 3G network standard.
A smart antenna equipment of supporting multiple network standard, comprising: at least comprise aerial array group, the first mixer, the second mixer and first power splitter of first day linear array and the second aerial array, wherein:
The first oscillator in the first day linear array of closing road port and configuration of the first mixer is connected;
The second oscillator in second aerial array that closes road port and configuration of the second mixer is connected, and wherein, described the second oscillator is identical with the horizontal level of described the first oscillator;
First point of road port of the first mixer is connected with first point of road port of the first power splitter, and first point of road port of the second mixer be connected with first point of road port of the first power splitter, the road port that closes of the first power splitter is connected with multi-mode antenna port by phase-shift network;
Described the first power splitter, for determining amplitude and the phase place of the first oscillator and the second oscillator output downstream signal.
Beneficial effect of the present invention is as follows:
The embodiment of the present invention by the framework of existing smart antenna structure, connects the oscillator in several groups of aerial arrays in intelligent antenna array group in such a way: the first oscillator in the first day linear array of closing road port and configuration of the first mixer is connected; The second oscillator in second aerial array that closes road port and configuration of the second mixer is connected, and wherein, described the second oscillator is identical with the horizontal level of described the first oscillator; First point of road port of the first mixer is connected with first point of road port of the first power splitter, and first point of road port of the second mixer is connected with first point of road port of the first power splitter, the road port that closes of the first power splitter is connected with multi-mode antenna port by phase-shift network, described the first power splitter is for determining amplitude and the phase place of the first oscillator and the second oscillator output downstream signal, like this in the situation that not changing existing smart antenna structure, realize coexisting of multiple types network signal and 3G network standard signal, saved the resource of system Construction.
Brief description of the drawings
Fig. 1 is the antenna and the antenna schematic diagram of vertical placement side by side of supporting TD-SCDMA standard of supporting GSM standard;
Fig. 2 is the antenna and the schematic diagram of supporting that the antenna horizontal Tile of TD-SCDMA standard is placed of supporting GSM standard;
Fig. 3 is the structural representation of a kind of smart antenna equipment of supporting multiple network standard of the embodiment of the present invention;
Fig. 4 (a) for exporting horizontal directivity pattern signal under the effect of the first power splitter;
Fig. 4 (b) for exporting horizontal directivity pattern signal under the effect of the first power splitter;
Fig. 5 is a kind of structural representation of the smart antenna equipment of supporting multiple network standard.
Embodiment
In order to realize object of the present invention, the embodiment of the present invention provides a kind of smart antenna equipment of supporting multiple network standard, by in the framework of existing smart antenna structure, the oscillator in several groups of aerial arrays in intelligent antenna array group is connected in such a way: the first oscillator in the first day linear array of closing road port and configuration of the first mixer is connected; The second oscillator in second aerial array that closes road port and configuration of the second mixer is connected, and wherein, described the second oscillator is identical with the horizontal level of described the first oscillator; First point of road port of the first mixer is connected with first point of road port of the first power splitter, and first point of road port of the second mixer is connected with first point of road port of the first power splitter, the road port that closes of the first power splitter is connected with multi-mode antenna port by phase-shift network, described the first power splitter is for determining amplitude and the phase place of the first oscillator and the second oscillator output downstream signal, like this in the situation that not changing existing smart antenna structure, realize coexisting of multiple types network signal and 3G network standard signal, saved the resource of system Construction.
Below in conjunction with Figure of description, each embodiment of the present invention is described in detail.
As shown in Figure 3, be the structural representation of a kind of smart antenna equipment of supporting multiple network standard of the embodiment of the present invention.
What wherein, the embodiment of the present invention adopted is conventional multichannel dual-polarization intelligent antenna.The operating frequency of each oscillator in described multichannel dual-polarization intelligent antenna (being called again radiating element) has following characteristics:
The network formats that each oscillator support is at least two or more, and the working frequency range of two network formats is to have certain frequency range interval.
For example: an oscillator of smart antenna is supported GSM network formats and 3G network standard, wherein, support that the frequency range of GSM network formats is 1710 ~ 1880MHz, support that the frequency range of 3G network standard is 1880 ~ 2025MHz.That is to say, the frequency range of the overlayable signal of oscillator of this smart antenna is 1710 ~ 2025MHz.
Particularly, the smart antenna equipment of described support multiple network standard comprises: at least comprise aerial array group, the first mixer, the second mixer and first power splitter of first day linear array and the second aerial array, wherein:
The first oscillator in the first day linear array of closing road port and configuration of the first mixer is connected;
The second oscillator in second aerial array that closes road port and configuration of the second mixer is connected, and wherein, described the second oscillator is identical with the horizontal level of described the first oscillator;
First point of road port of the first mixer is connected with first point of road port of the first power splitter, and first point of road port of the second mixer be connected with first point of road port of the first power splitter, the road port that closes of the first power splitter is connected with multi-mode antenna port by phase-shift network;
Described the first power splitter, for determining amplitude and the phase place of the first oscillator and the second oscillator output downstream signal.
Classify example as with 4*4 smart antenna array, wherein, this smart antenna has comprised 4 groups of aerial arrays, in each group aerial array, has comprised 4 oscillators, and the label of described 4 groups of aerial arrays is 11,12,13 and 14; The label of 4 oscillators that comprise in each group aerial array is followed successively by 1,2,3 and 4.
In above-mentioned intelligent antenna array, realize the covering of GSM standard network signal, cover the aerial array needing as two groups of aerial arrays taking GSM standard network signal, suppose configuration first day linear array classify the aerial array that in intelligent antenna array group, label is 12 as, the second aerial array of configuration is the aerial array that in intelligent antenna array group, label is 13.Particularly,
The first oscillator 121 in the first day linear array 12 of closing road port and configuration of the first mixer 21 is connected;
The second oscillator 131 in second aerial array 13 that closes road port and configuration of the second mixer 31 is connected, and wherein, described the second oscillator is identical with the horizontal level of described the first oscillator.
First point of road port of the first mixer 21 is connected with first point of road port of the first power splitter 41, and first point of road port of the second mixer 31 be connected with first point of road port of the first power splitter 41, the road port that closes of the first power splitter 41 is connected with multi-mode antenna port by phase-shift network.
Described the first mixer 21, for by the signal that receives different network formats not in the same time by different shunt port transmission to antenna oscillator.
It should be noted that, the mixer relating in the embodiment of the present invention all has the function of the first mixer, wherein, " first ", " second ", " the 3rd " in the first mixer, the second mixer, the 3rd mixer and the 4th mixer are just used for distinguishing with " the 4th " the oscillator difference that mixer is connected, there is no other implications, and the function of mixer is identical.
Described the first power splitter 41, for determining amplitude and the phase place of output downstream signal of the first oscillator and the second oscillator.
Because power splitter is the device that is divided into two-way or multichannel output of the downstream signal of a kind of Jiang Yi road input, wherein, amplitude and the phase place of each road output downstream signal can be the same or different, therefore, when the closing road port and receive the signal of multi-mode antenna input by phase-shift network of the first power splitter, according to the allocation strategy of power splitter setting, the amplitude of the signal receiving is separated with phase place, form two kinds of downstream signals, a downstream signal is given the first oscillator by a road shunt port transmission, another downstream signal is given the second oscillator by another road shunt port transmission, launched according to the downstream signal receiving by the first oscillator and the second oscillator.
Wherein, the amplitude of a downstream signal and the amplitude of another downstream signal can be the same or different; The phase place of a downstream signal and the phase place of another downstream signal can be the same or different.
More preferably, in the time that the first power splitter is the first one-to-two power splitter, described the first one-to-two power splitter, in the time of antenna downlink working state, separate with phase difference according to specific amplitude proportional for the downstream signal that phase-shift network is inputted, and the two paths of signals after separating is transferred to respectively to the first oscillator and the second oscillator.
Because array antenna is in the time realizing wave beam forming, be to produce specific pattern shapes by amplitude and the phase place of each array element signals, reach required coverage requirement, therefore, the final pattern shapes generating depends on the determined amplitude of the first power splitter and phase place.
The first power splitter is in the time separating with phase place the amplitude of downstream signal of input, and the division proportion difference of setting, forms the also difference of directional diagram of horizontal beam figuration so by the first oscillator and the second oscillator output downstream signal.
As shown in Figure 4 (a), for exporting the gain schematic diagram of horizontal beam figuration under the effect at the first power splitter, when width phase weights are than being A=[0.5,1], P=[15,0] time, the directional diagram gain that obtains horizontal beam figuration is BW=63; As shown in Figure 4 (b), for exporting the gain schematic diagram of horizontal beam figuration under the effect at the first power splitter, when width phase weights are than being A=[0.4,1], P=[20,0] time, the directional diagram gain that obtains horizontal beam figuration is BW=66.
More preferably, the amplitude proportional of described setting is 1:1, and phase difference is identical; Described the first one-to-two power splitter, for dividing equally the amplitude proportional of the downstream signal of input and phase difference is identical obtains the downstream signal that two-way amplitude is identical, phase place is identical.
More preferably, when described the first power splitter is the one one point of N road power splitter, described equipment also comprises: N mixer, wherein:
The road port that closes of N mixer is connected with the N oscillator of the N aerial array of configuration, and wherein, described N oscillator is identical with the horizontal level of described the first oscillator;
First point of road port of N mixer divides with the N road of a N road power splitter that road port is connected, first point of road port of the first mixer is connected with first point of road port of a N road power splitter, first point of road port of the second mixer is connected with second point of road port of a N road power splitter, and the terminal of closing of a N road power splitter is connected with multi-mode antenna signal port by phase-shift network;
Described the one one point of N road power splitter, for determining amplitude and the phase place of the first oscillator, the second oscillator and N oscillator output downstream signal, wherein, N is greater than 2 positive integer.
For second point of road port of the first mixer, second point of road port of described the first mixer is connected with second point of road port of the mixer that another oscillator connects in first day linear array, and the intersection point of connection is connected with the input port of smart antenna signal by feeding network.
More preferably, as shown in Figure 5, be a kind of structural representation of the smart antenna equipment of supporting multiple network standard, described equipment also comprises: the 3rd mixer 22, the 4th mixer 32, the second power splitter 42 and electric tune equipment 51, wherein:
The 3rd oscillator 122 in the first day linear array of closing road port and configuration of the 3rd mixer 22 is connected;
The 4th oscillator 132 in second aerial array that closes road port and configuration of the 4th mixer 32 is connected, and wherein, described the 3rd oscillator is identical with the horizontal level of described the 4th oscillator;
First point of road port of the 3rd mixer is connected with first point of road port of the second power splitter and first point of road port of the 4th mixer is connected with second point of road port of the second power splitter, the road port that closes that the first power splitter closes road port and the second power splitter is connected, the intersection point connecting adjusts the output port of equipment to be connected by feeding network and electricity, and the input port of electric tune equipment is connected with multi-mode antenna signal port;
Described electric tune equipment 51, for adjusting the angle of declination of the wave beam forming directional diagram that first day linear array and the second aerial array output downstream signal forms.
Use in embodiments of the present invention electric tune equipment, realized the independent of angle of declination of smart antenna and multiple network standard antenna and adjusted.
Wherein, described multiple network standard comprised in GSM network formats, LTE network formats at least one or multiple.
Frequency for the oscillator support that receives multiple types aerial signal in described aerial array group at least comprises 1710 ~ 2025MHz.
In described aerial array group, at least comprise one or more of 1710 ~ 1880MHz, 1880 ~ 1920MHz, 2010 ~ 2025MHz and 2500 ~ 2690MHz for receiving the frequency of oscillator support of smart antenna signal.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if these amendments of the present invention and within modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (9)
1. a smart antenna equipment of supporting multiple network standard, is characterized in that, comprising: at least comprise aerial array group, the first mixer, the second mixer and first power splitter of first day linear array and the second aerial array, wherein:
The first oscillator in the first day linear array of closing road port and configuration of the first mixer is connected;
The second oscillator in second aerial array that closes road port and configuration of the second mixer is connected, and wherein, described the second oscillator is identical with the horizontal level of described the first oscillator;
First point of road port of the first mixer is connected with first point of road port of the first power splitter, and first point of road port of the second mixer be connected with first point of road port of the first power splitter, the road port that closes of the first power splitter is connected with multi-mode antenna port by phase-shift network;
Described the first power splitter, for determining amplitude and the phase place of the first oscillator and the second oscillator output downstream signal.
2. equipment as claimed in claim 1, is characterized in that,
Second point of road port of described the first mixer is connected with second point of road port of the mixer that another oscillator connects in first day linear array, and the intersection point of connection is connected with smart antenna port by feeding network.
3. equipment as claimed in claim 1, is characterized in that, described the first power splitter is the first one-to-two power splitter;
Described the first one-to-two power splitter, for the downstream signal of phase-shift network input is separated with phase difference according to the amplitude proportional of setting, and is transferred to respectively the first oscillator and the second oscillator by the two paths of signals after separating.
4. equipment as claimed in claim 3, is characterized in that, the amplitude proportional of described setting is 1:1, and phase difference is identical;
Described the first one-to-two power splitter, for dividing equally the amplitude proportional of the downstream signal of input and phase difference is identical obtains the downstream signal that two-way amplitude is identical, phase place is identical.
5. equipment as claimed in claim 1, is characterized in that, described the first power splitter is the one one point of N road power splitter;
Described equipment also comprises: N mixer, wherein:
The road port that closes of N mixer is connected with the N oscillator of the N aerial array of configuration, and wherein, described N oscillator is identical with the horizontal level of described the first oscillator;
First point of road port of N mixer divides with the N road of the one one point of N road power splitter that road port is connected, first point of road port of the first mixer is connected with first point of road port of the one one point of N road power splitter and first point of road port of the second mixer is connected with second point of road port of the one one point of N road power splitter, and the terminal of closing of the one one point of N road power splitter is connected with multi-mode antenna signal port by phase-shift network;
A described N road power splitter, for determining amplitude and the phase place of the first oscillator, the second oscillator and N oscillator output downstream signal, wherein, N is greater than 2 positive integer.
6. equipment as claimed in claim 1, is characterized in that, described equipment also comprises: the 3rd mixer, the 4th mixer, the second power splitter and electric tune equipment, wherein:
The 3rd oscillator in the first day linear array of closing road port and configuration of the 3rd mixer is connected;
The 4th oscillator in second aerial array that closes road port and configuration of the 4th mixer is connected, and wherein, described the 3rd oscillator is identical with the horizontal level of described the 4th oscillator;
First point of road port of the 3rd mixer is connected with first point of road port of the second power splitter and first point of road port of the 4th mixer is connected with second point of road port of the second power splitter, the road port that closes that the first power splitter closes road port and the second power splitter is connected, the intersection point connecting adjusts the output port of equipment to be connected by feeding network and electricity, and the input port of electric tune equipment is connected with multi-mode antenna signal port;
Described electric tune equipment, for adjusting the angle of declination of the wave beam forming directional diagram that first day linear array and the second aerial array output downstream signal forms.
7. equipment as claimed in claim 1, is characterized in that, described multiple network standard comprised in GSM network formats, LTE network formats at least one or multiple.
8. equipment as claimed in claim 1, is characterized in that, the frequency for the oscillator support that receives multiple types aerial signal in described aerial array group at least comprises 1710 ~ 2025MHz.
9. equipment as claimed in claim 1, it is characterized in that, in described aerial array group, at least comprise one or more of 1710 ~ 1880MHz, 1880 ~ 1920MHz, 2010 ~ 2025MHz and 2500 ~ 2690MHz for receiving the frequency of oscillator support of smart antenna signal.
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| CN201210479499.XA CN103840865B (en) | 2012-11-22 | 2012-11-22 | Intelligent antenna device supporting multiple network types |
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| CN106229685A (en) * | 2016-09-22 | 2016-12-14 | 京信通信技术(广州)有限公司 | Wave-packet shaping network and dual polarization five beam antenna |
| WO2019127293A1 (en) * | 2017-12-28 | 2019-07-04 | 海能达通信股份有限公司 | Frequency spectrum resource scheduling method and device |
| CN111149255A (en) * | 2017-10-04 | 2020-05-12 | 华为技术有限公司 | Multi-band antenna system |
| CN113571899A (en) * | 2021-07-29 | 2021-10-29 | 昆山立讯射频科技有限公司 | Feed network and base station antenna |
| CN114553267A (en) * | 2020-11-18 | 2022-05-27 | 神讯电脑(昆山)有限公司 | Electronic device |
| WO2024077500A1 (en) * | 2022-10-11 | 2024-04-18 | 华为技术有限公司 | Communication device and base station |
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| WO2024077500A1 (en) * | 2022-10-11 | 2024-04-18 | 华为技术有限公司 | Communication device and base station |
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| CN103840865B (en) | 2017-01-25 |
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