CN202474228U - Dual-polarization five-beam antenna for mobile communication base station - Google Patents

Dual-polarization five-beam antenna for mobile communication base station Download PDF

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Publication number
CN202474228U
CN202474228U CN 201220115422 CN201220115422U CN202474228U CN 202474228 U CN202474228 U CN 202474228U CN 201220115422 CN201220115422 CN 201220115422 CN 201220115422 U CN201220115422 U CN 201220115422U CN 202474228 U CN202474228 U CN 202474228U
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power
antenna
butler matrix
port
feeding network
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CN 201220115422
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Chinese (zh)
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吴壁群
叶亮华
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Carehouse Technology (Suzhou) Co., Ltd.
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Guangdong Broadradio Communication Technology Co Ltd
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    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/30Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
    • H01Q3/34Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means
    • H01Q3/40Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means with phasing matrix
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00Antenna arrays or systems
    • H01Q21/06Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/08Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a rectilinear path
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/22Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/246Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations

Abstract

The utility model relates to a dual-polarization five-beam antenna for a mobile communication base station, which comprises a metal floor, at least 6 rows of parallel linear aerial arrays, at least 6 first power dividers, at least 6 second power dividers, a first Butler matrix feed network and a second Butler matrix feed network, wherein each row of linear aerial arrays include at least two same antenna radiating elements. According to the antenna provided by the utility model, five fixedly-pointed dual-polarization beams are formed in a horizontal direction, and one beam in a vertical direction, and the interference among the five horizontal dual-polarization beams is small. Moreover, the dual-polarization five-beam antenna adopting the technical scheme has the advantages of good anti-interfering effect, stable performance, large signal capacity, easiness in mounting, and effectively reduced cost, and can better meet the requirements of users.

Description

A kind of dual polarization five beam antennas that are used for the mobile communication base station
Technical field
The utility model relates to wireless communication field, particularly a kind of dual polarization five beam antennas that are used for the mobile communication base station.
Background technology
The rapid increase with the mobile communication business amount that develops rapidly along with mobile communication technology; The overlay area of mobile communications network is constantly enlarging and perfect, correspondingly becomes more and more important along with the construction of mobile communications network as the antenna for base station of one of GSM critical component.
Traditional antenna for base station is to communicate through produce a fixing broad beam in the overlay area, owing to being easy to generate to disturb message capacity is reduced like this.
The utility model content
In view of this, be necessary a kind of anti-interference effective dual polarization that is used for the mobile communication base station five beam antennas to be provided to the problems referred to above.
A kind of dual polarization five beam antennas that are used for the mobile communication base station; It is characterized in that: comprise the collinear array that metal floor, at least 6 row are parallel to each other, at least 6 first power splitters, at least 6 second power splitters, the first butler matrix feeding network, the second butler matrix feeding network; The quantity of first power splitter equates with the columns of collinear array; The quantity of second power splitter equates with the columns of collinear array; Collinear array is arranged on the upper surface of metal floor, and first power splitter and second power splitter are arranged on the lower surface of metal floor;
Every row collinear array is made up of at least 2 identical antenna radiation units; Each antenna radiation unit is made up of the antenna element of antenna element and 1-45 degree polarization mode of 1+45 degree polarization modes, and+antenna element square crossing that the antenna element and-45 of 45 degree polarization modes is spent polarization modes combines;
Each input port of the first butler matrix feeding network is connected with signal input cable, and each output port of the first butler matrix feeding network electrically connects with the synthetic port of the power of each first power splitter respectively; Each input port of the second butler matrix feeding network is connected with signal input cable, and each output port of the second butler matrix feeding network electrically connects with the synthetic port of the power of each second power splitter respectively;
In the quantity of the power division port of each first power splitter and the every row collinear array+number of the antenna element of 45 degree polarization modes equates, the number that-45 in the quantity of the power division port of each second power splitter and the every row collinear array spent the antenna element of polarization modes equates;
Each power division port of each first power splitter respectively with same row collinear array in+antenna element of 45 degree polarization modes electrically connects; Each power division port of each second power splitter respectively with same row collinear array in the antenna element of-45 degree polarization modes electrically connect.
First power splitter is identical with the structure of second power splitter; The distribution power magnitude of each power division port of each power splitter is identical; Each adjacent power of each power splitter distributes the distribution power of port to have identical phase difference, makes the antenna height pattern that an identical inclination angle arranged.
Said inclination angle is top rade or angle of declination, the span of top rade be 0 spend to 40 the degree, the span of angle of declination be 0 spend to 40 the degree.
The distance of adjacent two row collinear arrays is 0.3 λ-1.5 λ, and the distance of adjacent antenna radiating element is 0.3 λ-1.5 λ in every row collinear array.
Each collinear array is parallel to each other, and aligns each other in the two ends of all collinear arrays.
Each collinear array is parallel to each other, and the two ends of all odd columns align each other, aligns each other in the two ends of all even columns.
The structure of the first butler matrix feeding network and the second butler matrix feeding network is identical; When the columns of collinear array equals 6; Each butler matrix feeding network is made up of 1 six road butler matrix; Isolate each other between each input port of six road butler matrixs, each input port of six road butler matrixs is as the input port of butler matrix feeding network, and each output port of six road butler matrixs is as the output port of butler matrix feeding network.
The structure of the first butler matrix feeding network and the second butler matrix feeding network is identical; When the columns of collinear array greater than 6 the time; Each butler matrix feeding network is made up of 1 six road butler matrix and 1 power divider network; Isolate each other between each input port of six road butler matrixs; Each output port of six road butler matrixs connects the input port of power divider network; The number of output ports of power divider network equates that with the columns of collinear array each input port of six road butler matrixs is as the input port of butler matrix feeding network, and each output port of power divider network is as the output port of butler matrix feeding network.
The antenna structure of the utility model can form the dual polarization wave beam of 5 fixed directional in the horizontal direction, forms the dual polarization wave beam of single fixed directional in vertical direction, and the interference between 5 wave beams of horizontal direction is little.According to five beam antennas that the technical scheme of the utility model is processed, stable performance, signal volume is big, is easy to install, and can effectively reduce cost, and meets consumers' demand well.
Description of drawings
Fig. 1 is the end view of the utility model general structure.
Fig. 2 is the vertical view of the utility model general structure.
Fig. 3 is the planar alignment sketch map of collinear array.
Fig. 4 is the sketch map of antenna radiation unit.
Fig. 5 is the sketch map of first power splitter.
Fig. 6 is the sketch map of second power splitter.
Fig. 7 and Fig. 8 are the sketch map of butler matrix feeding network.
Fig. 9 is the structural representation of six road butler matrixs.
Figure 10 is the structural representation of three road butler matrixs.
Embodiment
See also Fig. 1 and Fig. 2; Dual polarization five beam antennas that the utility model is used for the mobile communication base station comprise collinear array 104 (Fig. 1 classifies example as with 10 to describe) that at least 6 row are parallel to each other, 103, at least 6 first power splitters 105 of metal floor (among Fig. 2 be that example describe with 10), at least 6 second power splitters 106 (among Fig. 2 be that example describe with 10), the first butler matrix feeding network 107, the second butler matrix feeding network 108; The quantity of first power splitter 105 equates with the columns of collinear array 104; The quantity of second power splitter 106 equates with the columns of collinear array 104; Collinear array 104 is arranged on the upper surface of metal floor 103, and first power splitter 105 and second power splitter 106 are arranged on the lower surface of metal floor 103.
See also Fig. 3, the distance of adjacent two row collinear arrays 104 is 0.3 λ-1.5 λ.Form, and the distance of adjacent antenna radiating element 203 is 0.3 λ-1.5 λ in every row by identical antenna radiation unit 203 by at least 2 (among Fig. 3 are be that example describe with 6) for every row collinear array 104.Wherein, λ representes the wavelength of centre frequency correspondence in air of antenna working frequency range.
The arrangement mode of each collinear array 104 has:
1, each collinear array is parallel to each other, and aligns each other in the two ends of all collinear arrays.
2, each collinear array is parallel to each other, and the two ends of all odd columns align each other, aligns each other in the two ends of all even columns.
See also Fig. 4; Each antenna radiation unit 203 is made up of with the antenna element 201 of 1-45 degree polarization mode the antenna element 202 of 1+45 degree polarization modes, and+antenna element 201 square crossings that the antenna element 202 and-45 of 45 degree polarization modes is spent polarization modes combine.
See also Fig. 5 and Fig. 6; Each first power splitter 105 has the synthetic port 402 of 1 power and several power division ports 403, in the quantity of the power division port 403 of each first power splitter 105 and the every row collinear array 104+45 spend the antenna element of polarization modes number equate (what adopt among Fig. 5 is one minute six power splitter); Each second power splitter 106 has the synthetic port 404 of 1 power and several power division ports 405, and the number that-45 in the quantity of the power division port 404 of each second power splitter 106 and the every row collinear array 104 spent the antenna element of polarization modes equates (what adopt among Fig. 6 is one minute six power splitter).The distribution power magnitude of each power division port 403 of each first power splitter 105 and each power division port 405 of second power splitter 106 and phase place can come to confirm according to the actual requirements.In the present embodiment, first power splitter 105 is identical with the structure of second power splitter 106.Particularly, the distribution power magnitude of each power division port of each power splitter is identical, and each adjacent power of each power splitter distributes the distribution power of port to have identical phase difference, makes the antenna height pattern that an identical inclination angle arranged.Said inclination angle is top rade or angle of declination; The span of top rade be 0 spend to 40 the degree, the span of angle of declination be 0 spend to 40 the degree.In the present embodiment, take off inclination angle 6 degree.
The structure of the first butler matrix feeding network 107 and the second butler matrix feeding network 108 is identical.When the columns of collinear array equaled 6, each butler matrix feeding network is made up of 1 six road butler matrix 602, and was as shown in Figure 7.Isolate each other between each input port of six road butler matrixs 602; Each input port of six road butler matrixs 602 is as the input port of butler matrix feeding network, and each output port of six road butler matrixs 602 is as the output port of butler matrix feeding network.
When the columns of collinear array greater than 6 the time, each butler matrix feeding network is made up of 1 six road butler matrix 602 and 1 power divider network 601, and is as shown in Figure 8.Isolate each other between the input port of six road butler matrixs 602, the output port of six road butler matrixs 602 connects the input port of power divider network 601, and the number of output ports of power divider network 601 is identical with the columns of collinear array 104.
Fig. 9 is the particular circuit configurations of six road butler matrixs 602.Among Fig. 9,701 expression blenders, 702 expression phase shifters, 703 expressions, three road butler matrixs.
Figure 10 is the particular circuit configurations of three road butler matrixs 703.Three road butler matrixs 703 are made up of first blender 801, second blender 802, the 3rd blender 803, first phase shifter 804, second phase shifter 805, the 3rd phase shifter 806.Each blender comprises first input end mouth, second input port, first output port, second output port, and each phase shifter comprises an input port and an output port.
Two input ports of first blender 801, second input port of second blender 802 are respectively as the input port of three road butler matrixs.
First output port of first blender 801 is connected with the first input end mouth of the 3rd blender 803 through first phase shifter 804; Second output port of first blender 801 is connected with the first input end mouth of second blender 802, and first output port of second blender 802 is connected with second input port of the 3rd blender 803;
The input port of second phase shifter 805 is connected with first output port of the 3rd blender 803, and the input port of the 3rd phase shifter 806 is connected with second output port of second blender 802.
Second output port of the output port of second phase shifter 805, the 3rd blender 803, the output port of the 3rd phase shifter 806 are respectively as the output port of three road butler matrixs 602.
To sum up, the whole electrical connection of the utility model is following:
The first butler matrix feeding network 107 is connected with signal input cable with each input port of the second butler matrix feeding network 108, and each output port of the first butler matrix feeding network 107 electrically connects with the synthetic port 402 of the power of each first power splitter 105 respectively; Each output port of the second butler matrix feeding network 108 electrically connects with the synthetic port 404 of the power of each second power splitter 106 respectively.Each power division port 403 of each first power splitter 105 respectively with same row collinear array 104 in+antenna element 202 of 45 degree polarization modes electrically connects; Each power division port 405 of each second power splitter 106 respectively with same row collinear array 104 in the antenna element 201 of-45 degree polarization modes electrically connect.
During each input port feed of butler matrix feeding network, the signal phase of output port is different linear change.Therefore, during each input port feed of butler matrix feeding network, the radiation beam of antenna horizontal direction is pointed to different; Wherein input port 1 generation level 0 is spent the wave beam that points to; The wave beam that input port 2 generation levels+70 degree point to, the wave beam that input port 3 generation levels+20 degree point to, the wave beam that input port 4 generation levels-40 degree points to; The wave beam that input port 5 generation levels-20 degree points to, the wave beam that input port 6 generation levels+40 degree point to.In the present embodiment, input port 2 connects 50 ohm, and promptly a butler matrix feeding network can produce the different wave beams that point to of 5 horizontal directions.
When 5 ports of the first butler matrix feeding network 107 simultaneously during feed, antenna generation level point to 0 degree, ± 20 degree, ± 40 degree, and at have a down dip 5+45 degree polarization wave beams of 6 degree of vertical direction; When 5 ports of the second butler matrix feeding network 108 simultaneously during feed, antenna generation level point to 0 degree, ± 20 degree, ± 40 degree, and at have a down dip 5-45 degree polarization wave beams of 6 degree of vertical direction.Therefore, when 10 ports of these two butler matrix feeding networks simultaneously during feed, antenna can produce 5 horizontal directivity patterns point to 0 degree, ± 20 degree, ± 40 degree and height pattern have that 6 degree have a down dip ± dual-polarized 5 wave beams of 45 degree.
The antenna structure of the utility model can form the dual polarization wave beam of 5 fixed directional in the horizontal direction, forms the dual polarization wave beam of single fixed directional in vertical direction, and the interference between 5 wave beams of horizontal direction is little.According to five beam antennas that the technical scheme of the utility model is processed, stable performance, signal volume is big, is easy to install, and can effectively reduce cost, and meets consumers' demand well.
The above is the preferred embodiment of the utility model, and the scope of enforcement of the utility model and requirement protection is not limited to the scope of the foregoing description.All within the spirit and principle of the utility model, institute changes, is equal to replacement, improvement etc., all is included within the protection range of the utility model.The sensing and the beamwidth that it is emphasized that the wave beam of the utility model especially can adjust according to different demands; Through the columns of adjustment this programme cathetus antenna array, the distance between the adjacent two row collinear arrays, the radiating element number of every row collinear array, the distance between the adjacent radiation unit, the distribution power magnitude and the phase place of power splitter power division port, thereby the change of adjusting beam position and width is also within the utility model protection range.In addition, the quantity through the adjustment feed port change horizontal beam the change of quantity also within the utility model protection range.

Claims (8)

1. dual polarization five beam antennas that are used for the mobile communication base station; It is characterized in that: comprise the collinear array that metal floor, at least 6 row are parallel to each other, at least 6 first power splitters, at least 6 second power splitters, the first butler matrix feeding network, the second butler matrix feeding network; The quantity of first power splitter equates with the columns of collinear array; The quantity of second power splitter equates with the columns of collinear array; Collinear array is arranged on the upper surface of metal floor, and first power splitter and second power splitter are arranged on the lower surface of metal floor;
Every row collinear array is made up of at least 2 identical antenna radiation units; Each antenna radiation unit is made up of the antenna element of antenna element and 1-45 degree polarization mode of 1+45 degree polarization modes, and+antenna element square crossing that the antenna element and-45 of 45 degree polarization modes is spent polarization modes combines;
Each input port of the first butler matrix feeding network is connected with signal input cable, and each output port of the first butler matrix feeding network electrically connects with the synthetic port of the power of each first power splitter respectively; Each input port of the second butler matrix feeding network is connected with signal input cable, and each output port of the second butler matrix feeding network electrically connects with the synthetic port of the power of each second power splitter respectively;
In the quantity of the power division port of each first power splitter and the every row collinear array+number of the antenna element of 45 degree polarization modes equates, the number that-45 in the quantity of the power division port of each second power splitter and the every row collinear array spent the antenna element of polarization modes equates;
Each power division port of each first power splitter respectively with same row collinear array in+antenna element of 45 degree polarization modes electrically connects; Each power division port of each second power splitter respectively with same row collinear array in the antenna element of-45 degree polarization modes electrically connect.
2. dual polarization five beam antennas that are used for the mobile communication base station according to claim 1; It is characterized in that: first power splitter is identical with the structure of second power splitter; The distribution power magnitude of each power division port of each power splitter is identical; Each adjacent power of each power splitter distributes the distribution power of port to have identical phase difference, makes the antenna height pattern that an identical inclination angle arranged.
3. dual polarization five beam antennas that are used for the mobile communication base station according to claim 1, it is characterized in that: said inclination angle is top rade or angle of declination, the span of top rade be 0 spend to 40 the degree, the span of angle of declination be 0 spend to 40 the degree.
4. dual polarization five beam antennas that are used for the mobile communication base station according to claim 1 is characterized in that: the distance of adjacent two row collinear arrays is 0.3 λ-1.5 λ, and the distance of adjacent antenna radiating element is 0.3 λ-1.5 λ in every row collinear array.
5. dual polarization five beam antennas that are used for the mobile communication base station according to claim 1, it is characterized in that: each collinear array is parallel to each other, and aligns each other in the two ends of all collinear arrays.
6. dual polarization five beam antennas that are used for the mobile communication base station according to claim 1, it is characterized in that: each collinear array is parallel to each other, and the two ends of all odd columns align each other, and align each other in the two ends of all even columns.
7. dual polarization five beam antennas that are used for the mobile communication base station according to claim 1; It is characterized in that: the structure of the first butler matrix feeding network and the second butler matrix feeding network is identical; When the columns of collinear array equals 6; Each butler matrix feeding network is made up of 1 six road butler matrix; Isolate each other between each input port of six road butler matrixs, each input port of six road butler matrixs is as the input port of butler matrix feeding network, and each output port of six road butler matrixs is as the output port of butler matrix feeding network.
8. dual polarization five beam antennas that are used for the mobile communication base station according to claim 1; It is characterized in that: the structure of the first butler matrix feeding network and the second butler matrix feeding network is identical; When the columns of collinear array greater than 6 the time; Each butler matrix feeding network is made up of 1 six road butler matrix and 1 power divider network; Isolate each other between each input port of six road butler matrixs, each output port of six road butler matrixs connects the input port of power divider network, and the number of output ports of power divider network equates with the columns of collinear array; Each input port of six road butler matrixs is as the input port of butler matrix feeding network, and each output port of power divider network is as the output port of butler matrix feeding network.
CN 201220115422 2011-11-09 2012-03-26 Dual-polarization five-beam antenna for mobile communication base station Active CN202474228U (en)

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Application Number Priority Date Filing Date Title
CN201110352271.X 2011-11-10
CN201110352271 2011-11-10
CN 201220115422 CN202474228U (en) 2011-11-09 2012-03-26 Dual-polarization five-beam antenna for mobile communication base station

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CN202474228U true CN202474228U (en) 2012-10-03

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Family Applications (12)

Application Number Title Priority Date Filing Date
CN201210045537.0A Active CN102570054B (en) 2011-11-10 2012-02-27 Monopolar 6-beam antenna used in mobile communication base station
CN 201220064787 Withdrawn - After Issue CN202474221U (en) 2011-11-10 2012-02-27 Unipolarity six-beam antenna for mobile communication base station
CN 201220065382 Active CN202474226U (en) 2011-11-10 2012-02-27 Unipolarity sixteen-beam antenna for mobile communication base station
CN 201220065376 Active CN202474224U (en) 2011-11-10 2012-02-27 Unipolar ten-beam antenna used for mobile communication base station
CN201210045479.1A Active CN102570053B (en) 2011-11-10 2012-02-27 Monopolar 22-beam antenna used in mobile communication base station
CN 201220065377 Active CN202474225U (en) 2011-11-10 2012-02-27 Single-polarization twenty-two-beam antenna for mobile communication base station
CN201210045538.5A Active CN102544759B (en) 2011-11-10 2012-02-27 Unipolar sixteen-beam antenna for mobile communication base station
CN 201220065380 Active CN202474222U (en) 2011-11-10 2012-02-27 Single-polarization eight-beam antenna for mobile communication base station
CN201210045536.6A Active CN102544758B (en) 2011-11-10 2012-02-27 Unipolar ten-beam antenna for mobile communication base station
CN201210045521.XA Active CN102544757B (en) 2011-11-10 2012-02-27 Single-polarization eight-beam antenna for mobile communication base station
CN201210081016.0A Active CN102570057B (en) 2011-11-09 2012-03-26 A kind of dual polarization five beam antenna for mobile communication base station
CN 201220115422 Active CN202474228U (en) 2011-11-09 2012-03-26 Dual-polarization five-beam antenna for mobile communication base station

Family Applications Before (11)

Application Number Title Priority Date Filing Date
CN201210045537.0A Active CN102570054B (en) 2011-11-10 2012-02-27 Monopolar 6-beam antenna used in mobile communication base station
CN 201220064787 Withdrawn - After Issue CN202474221U (en) 2011-11-10 2012-02-27 Unipolarity six-beam antenna for mobile communication base station
CN 201220065382 Active CN202474226U (en) 2011-11-10 2012-02-27 Unipolarity sixteen-beam antenna for mobile communication base station
CN 201220065376 Active CN202474224U (en) 2011-11-10 2012-02-27 Unipolar ten-beam antenna used for mobile communication base station
CN201210045479.1A Active CN102570053B (en) 2011-11-10 2012-02-27 Monopolar 22-beam antenna used in mobile communication base station
CN 201220065377 Active CN202474225U (en) 2011-11-10 2012-02-27 Single-polarization twenty-two-beam antenna for mobile communication base station
CN201210045538.5A Active CN102544759B (en) 2011-11-10 2012-02-27 Unipolar sixteen-beam antenna for mobile communication base station
CN 201220065380 Active CN202474222U (en) 2011-11-10 2012-02-27 Single-polarization eight-beam antenna for mobile communication base station
CN201210045536.6A Active CN102544758B (en) 2011-11-10 2012-02-27 Unipolar ten-beam antenna for mobile communication base station
CN201210045521.XA Active CN102544757B (en) 2011-11-10 2012-02-27 Single-polarization eight-beam antenna for mobile communication base station
CN201210081016.0A Active CN102570057B (en) 2011-11-09 2012-03-26 A kind of dual polarization five beam antenna for mobile communication base station

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CN (12) CN102570054B (en)
WO (1) WO2013067790A1 (en)

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CN103825107A (en) * 2014-01-24 2014-05-28 张家港保税区国信通信有限公司 Dual-polarization dual-beam patch array antenna
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CN103682682B (en) * 2013-11-27 2016-08-17 华为技术有限公司 A kind of multibeam antenna system
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CN102570057B (en) * 2011-11-09 2016-02-17 广东博纬通信科技有限公司 A kind of dual polarization five beam antenna for mobile communication base station
CN104143692A (en) * 2013-05-10 2014-11-12 中国电信股份有限公司 Multi-antenna array and base station
CN103825107A (en) * 2014-01-24 2014-05-28 张家港保税区国信通信有限公司 Dual-polarization dual-beam patch array antenna

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WO2013067790A1 (en) 2013-05-16
CN102570057A (en) 2012-07-11
CN202474226U (en) 2012-10-03
CN102544758A (en) 2012-07-04
CN202474221U (en) 2012-10-03
CN202474222U (en) 2012-10-03
CN102544757A (en) 2012-07-04
CN102544759B (en) 2014-07-23
CN102570054B (en) 2014-11-05
CN102570054A (en) 2012-07-11
CN102544759A (en) 2012-07-04
CN102570053B (en) 2014-06-04
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CN102570053A (en) 2012-07-11
CN102570057B (en) 2016-02-17

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