CN207559037U - Multifrequency antenna for base station and its low frequency radiating element - Google Patents
Multifrequency antenna for base station and its low frequency radiating element Download PDFInfo
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- CN207559037U CN207559037U CN201721819596.3U CN201721819596U CN207559037U CN 207559037 U CN207559037 U CN 207559037U CN 201721819596 U CN201721819596 U CN 201721819596U CN 207559037 U CN207559037 U CN 207559037U
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Abstract
The utility model discloses a kind of multifrequency antenna for base station and its low frequency radiating element, wherein the low frequency radiating element includes：It at least one radiation arm and supports the radiation arm and is the feed Balun of its feed, the radiation arm includes the first end that connect with the feed Balun and is connect with the first end and the second end of the separate feed Balun, the recessed enclosure cavity for forming the radiating surface less than the low frequency radiating element of the second end, the enclosure cavity are used to set high frequency radiating element.By the recessed formation of the radiation arm in low frequency radiating element for placing the enclosure cavity of high frequency radiating element, the cross sectional dimensions of multifrequency antenna for base station can be greatly reduced on the basis of the radiation characteristic for not influencing multifrequency antenna for base station.
Description
Technical field
The utility model is related to mobile communication technology field more particularly to a kind of multifrequency antenna for base station and its low frequency radiation list
Member.
Background technology
With the extensive commercialization of forth generation mobile communication system, the same luck of communication network of the multiple frequency ranges of multiple types
Battalion, the terrace resource of mobile base station are more nervous.In the big urban area of some traffic demands, it is found everywhere various forms
Antenna.Worry that " electromagnetic radiation " of antenna for base station is too big to human health damage additionally, due to resident, build the base of a new generation
The addressing of station antenna network faces is difficult, the gob-struck situation that difficult, newly-increased antenna is more difficult to of building a station.The base station day of small-bore multiband ultra wide band
Line, which can reduce, builds a station cost and improves aerial radiation mouth face utilization ratio, while can reduce the wind load of antenna, therefore more
The miniaturization of frequency antenna for base station has become a kind of trend.The utility model is based on this application demand, it is proposed that a kind of miniaturization is super
Broadband multi-frequency base station array antenna, the antenna can efficiently reduce antenna while the design of multiband ultra-wideband antenna is realized
The lateral dimension of device has important research significance and is widely applied prospect.
Currently in order to effectively reducing the lateral dimension of antenna for base station, many multifrequency antennas use the arrangement side of nested groups battle array
Formula.For example, the frequency antenna array of the patent proposition application No. is CN103050788A, low-frequency vibrator is nested by high frequency oscillator
In so that boundary condition is extremely complex, and high frequency radiation characteristic is influenced by low frequency radiation arm around, and radiation characteristic is not readily reachable by
Perfect condition, the problem of easily bringing performance inconsistent.
Utility model content
In view of the above problems, the utility model proposes a kind of multifrequency antenna for base station and its low frequency radiating element, by
The recessed formation of radiation arm of low frequency radiating element is not influencing multifrequency antenna for base station for placing the enclosure cavity of high frequency radiating element
The cross sectional dimensions of multifrequency antenna for base station can be greatly reduced on the basis of radiation characteristic.
The utility model provides a kind of low frequency radiating element, including at least one radiation arm and the support radiation arm and is
Its feed Balun fed, the radiation arm include the first end that is connect with the feed Balun and connect with the first end and
Second end far from the feed Balun, the second end is recessed to form enclosing for the radiating surface less than the low frequency radiating element
Chamber, the enclosure cavity are used to set high frequency radiating element.
Further, when the band limits of the low frequency radiating element is 694MHz~960MHz, what is be mounted thereon is described
When the band limits of high frequency radiating element is 1710MHz~2690MHz, the first end is along its connection side with the second end
To length between 5~15mm.
Further, the enclosure cavity bottom end offers the mounting hole for the high frequency radiating element to be fixedly mounted.
Preferably, the low frequency radiating element includes four in 90 ° of equally distributed radiation arms, the enclosure cavity of the radiation arm
Bottom surface is rectangle plane, and the mounting hole is set to the center of the rectangle plane.
Further, the low frequency radiating element dual polarization low frequency radiating element mutually orthogonal for polarization direction, it is described bipolar
Change the first feed tab and the second feed tab that low frequency radiating element includes two omnidirectional distributions.
Preferably, at first feed tab and the second feed tab crossover sites, wherein a feed tab is recessed, it is another
Feed tab arches upward upward, and the highest end face of first, second feed tab is made to be less than the radiation arm.
On the other hand, the utility model provides a kind of multifrequency antenna for base station, including reflecting plate, on the reflecting plate
Low frequency array and HF array, the low frequency array include at least one low frequency subarray, and at least one low frequency subarray includes
At least two low frequency radiating elements, the HF array include at least two high frequency radiating elements, and the low frequency radiating element is
Low frequency radiating element described in above-mentioned any one, at least two high frequency radiating element include the first high frequency radiating element and
Second high frequency radiating element, first high frequency radiating element are set in the enclosure cavity of the low frequency radiating element radiation arm,
Second high frequency radiating element is arranged alternately with the low frequency radiating element.
Further, it is equipped between the low frequency radiating element and first high frequency radiating element and is used to implement the two insulation
The insulating part of isolation.
Preferably, the first high frequency radiating element being installed on the low frequency radiating element radiation arm is two neighboring with being set on
The high settings such as the second high frequency radiating element between low frequency radiating element.
Further, the multifrequency antenna for base station further includes：It is set on the reflecting plate and is used to support second high frequency
The support element of radiating element, so that second high frequency radiating element and first high frequency radiating element are contour, the support
The edge of part is equipped with the flange upwardly extended.
Compared with prior art：
1st, the radiation arm of the utility model low frequency radiating element is recessed forms bowl-shape enclosure cavity, as being set to corresponding radiation
It is special can to obtain superior high frequency under the conditions of the high-frequency boundary outside not plus for the radiation boundary of high frequency radiating element on arm
Property.
2 at the same the enclosure cavity be less than the radiating surface of corresponding low frequency radiating element, the same of antenna lateral dimension can reduced
When, it is additionally favorable for reducing whole height, realizes the miniaturization of antenna.
3rd, the first feed tab is arranged in a mutually vertical manner with the second feed tab, is advantageously implemented two polarized isolation.Two feedbacks
Electric piece crossover sites are in arching upward or the setting that be recessed, to avoid contacting with each other, and so that the upper surface of feed tab not higher than radiation arm
Radiating surface, do not increase the section height of low frequency radiating element.
4th, by placing high frequency radiating element above the radiation arm of the low frequency radiating element, multifrequency base station is not being influenced
The cross sectional dimensions of multifrequency antenna for base station can be greatly reduced on the basis of the radiation characteristic of antenna.
5th, the mounting hole for running through upper and lower surface is equipped with by the radiation arm in low frequency radiating element, and is set in the mounting hole
Insulating part is put, high frequency radiating element is fixed on to the radiation arm of low frequency radiating element, is reduced low in the mode of nested groups battle array
Radiation characteristic between frequency array and HF array influences each other, and improves the performance of multifrequency antenna for base station.
6th, each low frequency radiating element is set there are four radiation arm, the radiation arm from center radiated entend around, and
It is uniformly distributed respectively in 90 °, and part high frequency radiating element is positioned on radiation arm, marshalling is reasonably distributed, and makes multifrequency
The radiation characteristic of antenna for base station is excellent.
7th, the enclosure cavity bottom surface of the radiation arm of each low frequency radiating element is rectangle plane, and mounting hole is set to rectangle plane
Center；Manufacture and installation high frequency radiating element are not only easy to, and multifrequency antenna for base station is overall beautiful, function admirable.
These aspects or other aspects of the utility model can more straightforwards in the following description.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, for those skilled in the art, without creative efforts, can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is a kind of stereoscopic schematic diagram of the low frequency radiating element of embodiment of the utility model；
Fig. 2 is the A portions enlarged diagram of low frequency radiating element shown in Fig. 1；
Fig. 3 is a kind of vertical view of the low frequency radiating element of embodiment of the utility model；
Fig. 4 is a kind of high frequency radiating element of embodiment of the utility model and the vertical view of low frequency radiating element combination；
Fig. 5 is a kind of structure diagram of embodiment multifrequency antenna for base station of the utility model；
Fig. 6 is a kind of side view of the multifrequency antenna for base station of embodiment of the utility model.
Specific embodiment
In order to which those skilled in the art is made to more fully understand the utility model, below in conjunction with the utility model reality
The attached drawing in example is applied, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the utility model part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, those skilled in the art's all other embodiments obtained without creative efforts, belongs to this reality
With novel protected range.
Fig. 1 is please referred to, the utility model provides a kind of low frequency radiating element 1, including at least one radiation arm 11 and support
The radiation arm 11 and be its feed feed Balun (not shown) and feed tab 12.
Incorporated by reference to Fig. 3 and Fig. 4, the recessed radiating surface formed less than the low frequency radiating element 1 of the radiation arm 11 is used for
The enclosure cavity 110 of high frequency radiating element 2 is installed on the radiation arm 11, and the height of 110 cavity wall of the enclosure cavity is not higher than and waits to pacify
The high frequency radiating element 2 in it is filled, so that the radiating surface of the high frequency radiating element 2 is located at 11 top of radiation arm.It is described
Radiation arm 11 includes the first end 111 that connect with the feed Balun and is connect with the first end 111 and the separate feed
The second end 112 of balun, the enclosure cavity 110 are set on the second end 112.110 bottom end of enclosure cavity is offered for fixed peace
Fill the mounting hole 1101 of the high frequency radiating element 2.
In the present embodiment, each low frequency radiating element 1 includes four in 90 ° of equally distributed radiation arms 11, each
110 bottom surface of enclosure cavity of the radiation arm 11 is rectangle plane, and the mounting hole 1101 is set to the center of the rectangle plane, and
The edge of the mounting hole 1101 is also rectangle, and in other embodiment, the edge of the mounting hole 1101 can also be circle etc.
Other shapes.
In the present embodiment, the radiation arm 11 of the low frequency radiating element 1 include flat part and from the flat part edge to
The surrounding edge of upper extension, two collectively form the enclosure cavity 110, wherein the surrounding edge can be as being set on corresponding radiation arm 11
The radiation boundary of the high frequency radiating element 2.Preferably, the surrounding edge is upwardly extended from the flat part edge-perpendicular.Specifically
, center punching press or the hollow out of radiation arm 11 may be used in the processing method of the enclosure cavity 110, ultimately forms recessed bowl-shape enclose
Chamber 110.
Referring to Fig.1 and 2, wherein Fig. 2 is the partial structurtes enlarged drawing of location A in Fig. 1.The low frequency radiating element 1
The dual polarization low frequency radiating element mutually orthogonal for polarization direction, the dual polarization low frequency radiating element include two omnidirectional distributions
Feed tab 12 (the first feed tab 121, the second feed tab 122).First feed tab 121 and second feed tab 122
At crossover sites, wherein a feed tab is recessed, another feed tab arches upward upward, and the highest end face of feed tab is made to be less than the spoke
Penetrate arm 11.In the present embodiment, at the crossover sites of first feed tab 121 and second feed tab 122, first feedback
Electric piece 121 arches upward upward, and second feed tab 122 forms dislocation, make described first at crossover sites towards lower recess, the two
Feed tab 121 is located at 122 top of the second feed tab.In the present embodiment, the first feed tab 121 and the second feed tab
122 are arranged in a mutually vertical manner, and are advantageously implemented two polarized isolation.Two feed tab crossover sites in arching upward or the setting that is recessed,
To avoid contacting with each other, and the upper surface of feed tab is caused to be not higher than the radiating surface of radiation arm, do not increase low frequency radiating element
Section height.
Fig. 3 and Fig. 4 are please referred to, since the overall dimensions of the low frequency radiating element 1 are substantially determining, so described
The overall length of one end 111 and the second end 112 (L1+L2) is to determine, when high frequency radiating element 2 is located at the enclosure cavity 110
During middle section, 2 spacing of two neighboring high frequency radiating element on 1 radiation arm 11 of low frequency radiating element of the same side is exactly described
Twice of 111 length of first end adds 112 length of second end, i.e. 2L1+L2.By adjusting the first end 111 and described
The length ratio of second end 112 can adjust the spacing of adjacent two high frequency radiating element 2 on be located at radiation arm 11,
Adjustment is optimized so as to the radiation parameter characteristic to the high frequency radiating element 2.When the frequency of the low frequency radiating element 1
Segment limit is 694MHz~960MHz, when the band limits of the high frequency radiating element 2 is 1710MHz~2690MHz, described the
The length L1 that one end 111 connect direction along it with the second end 112 is arranged on the range of 5~15mm, the high frequency radiation list
The radiation characteristic of member 2 may remain in more satisfactory state.
Preferably, the length L1 that the first end 111 connect direction along it with the second end 112 is 10mm.
It should be understood that in the length ratio for actually determining the first end 111 and the second end 112, Ke Yigen
Carry out comprehensive assessment according to required technical indicator (application band range, high frequency radiation characteristic etc.).
Fig. 5 and Fig. 6 are please referred to, the utility model also provides a kind of multifrequency antenna for base station 100, including reflecting plate 3, set on institute
State the low frequency array and HF array 20 on reflecting plate 3, the low frequency array includes at least one low frequency subarray 10, and at least one
A low frequency subarray 10 includes at least two low frequency radiating elements 1, and the HF array 20 includes at least two high frequency radiation lists
Member 2, the low frequency radiating element 1 are low frequency radiating element 1 recited above, and at least two high frequency radiating element 2 includes
First high frequency radiating element 21 and the second high frequency radiating element 22, first high frequency radiating element 21 are set on the low frequency radiation
On the radiation arm 11 of unit 1, second high frequency radiating element 22 is arranged alternately with the low frequency radiating element 1.
In the present embodiment, the HF array 20 is two row, and each column includes nine high frequency radiating elements 2, wherein, six
It is a to be set to the first high frequency radiating element 21 on the radiation arm 11 of the low frequency radiating element 1, the other three be with it is described
The second high frequency radiating element 22 that low frequency radiating element 1 is arranged alternately.
In the present embodiment, 22 structure phase of first high frequency radiating element 21 and second high frequency radiating element
Together, so that it is applied to sending and receiving for similar frequency bands signal, the two differs only in it between low frequency radiating element 1
Position relationship.In other embodiments, the first high frequency radiating element 21 and the second high frequency radiating element 22 work in difference
Frequency range.
In the present embodiment, the low frequency subarray 10 includes three low frequency radiating elements 1, each low frequency radiating element
1 includes four radiation arms 11, and four radiation arms 11 of the same low frequency radiating element 1 are uniformly radial around in 90 °
Extension.The low frequency subarray 10 each simultaneously corresponds to the two row HF arrays 20, the low frequency subarray 10 and the height
Frequency array 20 is arranged in a linear the same side respectively on the reflecting plate 3, and longitudinal direction of its orientation with the reflecting plate 3
Axis is parallel.
The reflecting plate 3 is metal material, and in the present embodiment, the metallic reflection plate 3 is tablet, in other embodiment
In, the metallic reflection plate 3 is also provided with inclined-plane and flange.
Preferably, it is set between the low frequency radiating element 1 and the first high frequency radiating element 21 on its radiation arm 11
There is insulating part (not shown), to realize being dielectrically separated from for the two.Specifically, the insulating part is set to the mounting hole 1101,
For first high frequency radiating element 21 to be fixed on the corresponding radiation arm 11, while the two is insulated.
In the present embodiment, the first high frequency radiating element 21 on 1 radiation arm 11 of low frequency radiating element is installed on setting
The high settings such as the second high frequency radiating element 22 between two neighboring low frequency radiating element 1.
Specifically, the multifrequency antenna for base station, which further includes to be set on the reflecting plate 3, is used to support second high frequency
The support element 31 of radiating element 22, so that second high frequency radiating element 22 and first high frequency radiating element 21 are contour,
The edge of the support element 31 is equipped with the flange upwardly extended, is similarly formed recessed bowl-shape enclosure cavity, and flange is used to be used as and set
It is placed in the radiation boundary of second high frequency radiating element 22 on corresponding support element 31.Need what is illustrated, the support element 31
The enclosure cavity 110 of radiation arm 11 of enclosure cavity and the low frequency radiating element 1 can be homogenous configuration that same process manufactures,
Therefore it is not distinguished with same names herein.In Fig. 6, the part that the support element 31 is fixedly connected with the reflecting plate 3 is vertical
The feed Balun of second high frequency radiating element 22 in other embodiments, can also be increased, the enclosure cavity of support element 31 is set by column
It is placed on it.
It should be appreciated that in the present embodiment, by drawing placement constraint, the low frequency radiating element 1 is three, and described low
Second high frequency radiating element 22 that radio-frequency radiation unit 1 is arranged alternately is similarly three, therefore there are one the second high frequency radiation lists
First 22 sides do not have low frequency radiating element 1, if continuing to place radiating element on the outside of it, should be low frequency radiating element 1, therefore
It is above-mentioned：The expression of " the second high frequency radiating element 22 between two neighboring low frequency radiating element 1 " is simply to illustrate that low frequency spoke
The layout type of 1 and second high frequency radiating element 22 of unit is penetrated, and should not be used as specifically limiting.
Compared with prior art, multifrequency antenna for base station and its low frequency radiating element described in the utility model have following excellent
Point：
(1) radiation arm of low frequency radiating element is recessed forms bowl-shape enclosure cavity, as the height being set on corresponding radiation arm
The radiation boundary of radio-frequency radiation unit can obtain superior high frequency characteristics under the conditions of the high-frequency boundary outside not plus.
(2) while the enclosure cavity is less than the radiating surface for corresponding to low frequency radiating element, can reduce antenna lateral dimension
Meanwhile be additionally favorable for reducing whole height, realize the miniaturization of antenna.
(3) each low frequency radiating element is set there are four radiation arm, the radiation arm from center radiated entend around, and
It is uniformly distributed respectively in 90 °, and part high frequency radiating element is positioned on radiation arm, marshalling is reasonably distributed, and makes multifrequency
The radiation characteristic of antenna for base station is excellent.
(4) when the band limits of the low frequency radiating element be 694MHz~960MHz, the high frequency being mounted thereon
When the band limits of radiating element is 1710MHz~2690MHz, the first end is along its connection direction with the second end
Length optimizes the radiation characteristic of the high frequency radiating element between 5~15mm under the premise of overall dimension is not influenced.
(5) first feed tabs are arranged in a mutually vertical manner with the second feed tab, are advantageously implemented two polarized isolation.Two feedbacks
Electric piece crossover sites are in arching upward or the setting that be recessed, to avoid contacting with each other, and so that the upper surface of feed tab not higher than radiation arm
Radiating surface, do not increase the section height of low frequency radiating element.
(6) by placing high frequency radiating element above the radiation arm of the low frequency radiating element, multifrequency base is not being influenced
The cross sectional dimensions of multifrequency antenna for base station can be greatly reduced on the basis of the radiation characteristic of station antenna.
(7) mounting hole for running through upper and lower surface is equipped with by the radiation arm in low frequency radiating element, and in the mounting hole
Insulating part is set, high frequency radiating element is fixed on to the radiation arm of low frequency radiating element, is reduced in the mode of nested groups battle array
Radiation characteristic between low frequency array and HF array influences each other, and improves the performance of multifrequency antenna for base station.
(8) the enclosure cavity bottom surface of the radiation arm of each low frequency radiating element is rectangle plane, and mounting hole is set to rectangle and puts down
The center in face；Manufacture and installation high frequency radiating element are not only easy to, and multifrequency antenna for base station is overall beautiful, function admirable.
Some embodiments provided by the utility model are described in detail above, for the general technology of this field
Personnel, based on the idea of the embodiment of the present invention, there will be changes in specific embodiments and applications, to sum up
Described, the content of the present specification should not be construed as a limitation of the present invention.
Claims (10)
1. a kind of low frequency radiating element including at least one radiation arm and supports the radiation arm and the feed bar fed for it
Human relations, which is characterized in that the radiation arm includes the first end that connect with the feed Balun and connect with the first end and far
Second end from the feed Balun, the recessed enclosure cavity for forming the radiating surface less than the low frequency radiating element of the second end,
The enclosure cavity is used to set high frequency radiating element.
2. low frequency radiating element according to claim 1, which is characterized in that when the band limits of the low frequency radiating element
For 694MHz~960MHz, when the band limits of the high frequency radiating element being mounted thereon is 1710MHz~2690MHz,
The first end is along the length in its connection direction with the second end between 5~15mm.
3. low frequency radiating element according to claim 1 or 2, which is characterized in that the enclosure cavity bottom end is offered for solid
Dingan County fills the mounting hole of the high frequency radiating element.
4. low frequency radiating element according to claim 3, which is characterized in that the low frequency radiating element is in including four
90 ° of equally distributed radiation arms, the enclosure cavity bottom surface of the radiation arm is rectangle plane, and the mounting hole is set to the rectangle and puts down
The center in face.
5. low frequency radiating element according to claim 1 or 2, which is characterized in that the low frequency radiating element is polarization direction
Mutually orthogonal dual polarization low frequency radiating element, the dual polarization low frequency radiating element include the first feed of two omnidirectional distributions
Piece and the second feed tab.
6. low frequency radiating element according to claim 5, which is characterized in that first feed tab and the described second feed
At piece crossover sites, wherein a feed tab is recessed, another feed tab arches upward upward, and makes the highest end of first, second feed tab
Face is less than the radiation arm.
7. a kind of multifrequency antenna for base station, low frequency array and HF array including reflecting plate, on the reflecting plate are described low
Frequency array includes at least one low frequency subarray, and at least one low frequency subarray includes at least two low frequency radiating elements, described
HF array includes at least two high frequency radiating elements, which is characterized in that the low frequency radiating element is claim 1 to 6 times
Low frequency radiating element described in meaning one, at least two high frequency radiating element are high including the first high frequency radiating element and second
Radio-frequency radiation unit, first high frequency radiating element are set in the enclosure cavity of the low frequency radiating element radiation arm, and described the
Two high frequency radiating elements are arranged alternately with the low frequency radiating element.
8. multifrequency antenna for base station according to claim 7, which is characterized in that the low frequency radiating element and described first high
It is equipped between radio-frequency radiation unit and is used to implement the insulating part that the two is dielectrically separated from.
9. multifrequency antenna for base station according to claim 7, which is characterized in that be installed on the low frequency radiating element radiation arm
On the first high frequency radiating element and the high settings such as the second high frequency radiating element between two neighboring low frequency radiating element.
10. multifrequency antenna for base station according to claim 9, which is characterized in that further include：It is set on the reflecting plate and uses
In the support element for supporting second high frequency radiating element, so that second high frequency radiating element and first high frequency radiation
Unit is contour, and the edge of the support element is equipped with the flange upwardly extended.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721819596.3U CN207559037U (en) | 2017-12-20 | 2017-12-20 | Multifrequency antenna for base station and its low frequency radiating element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721819596.3U CN207559037U (en) | 2017-12-20 | 2017-12-20 | Multifrequency antenna for base station and its low frequency radiating element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207559037U true CN207559037U (en) | 2018-06-29 |
Family
ID=62660335
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721819596.3U Active CN207559037U (en) | 2017-12-20 | 2017-12-20 | Multifrequency antenna for base station and its low frequency radiating element |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107946736A (en) * | 2017-12-20 | 2018-04-20 | 华南理工大学 | Multifrequency antenna for base station and its low frequency radiating element |
| CN113471666A (en) * | 2021-05-14 | 2021-10-01 | 上海交通大学 | Multi-frequency transmission base station antenna and communication system |
| WO2023207916A1 (en) * | 2022-04-29 | 2023-11-02 | 华为技术有限公司 | Base station antenna and base station |
-
2017
- 2017-12-20 CN CN201721819596.3U patent/CN207559037U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107946736A (en) * | 2017-12-20 | 2018-04-20 | 华南理工大学 | Multifrequency antenna for base station and its low frequency radiating element |
| CN107946736B (en) * | 2017-12-20 | 2024-07-23 | 华南理工大学 | Multi-frequency base station antenna and low-frequency radiation unit thereof |
| CN113471666A (en) * | 2021-05-14 | 2021-10-01 | 上海交通大学 | Multi-frequency transmission base station antenna and communication system |
| CN113471666B (en) * | 2021-05-14 | 2022-12-06 | 上海交通大学 | Multi-frequency transmission base station antenna and communication system |
| WO2023207916A1 (en) * | 2022-04-29 | 2023-11-02 | 华为技术有限公司 | Base station antenna and base station |
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Address after: 510641 No. five, 381 mountain road, Guangzhou, Guangdong, Tianhe District Patentee after: SOUTH CHINA University OF TECHNOLOGY Patentee after: Jingxin Network System Co.,Ltd. Patentee after: COMBA TELECOM TECHNOLOGY (GUANGZHOU) Ltd. Patentee after: COMBA TELECOM SYSTEMS (GUANGZHOU) Ltd. Patentee after: TIANJIN COMBA TELECOM SYSTEMS Ltd. Address before: 510641 No. five, 381 mountain road, Guangzhou, Guangdong, Tianhe District Patentee before: SOUTH CHINA University OF TECHNOLOGY Patentee before: COMBA TELECOM SYSTEMS (CHINA) Ltd. Patentee before: COMBA TELECOM TECHNOLOGY (GUANGZHOU) Ltd. Patentee before: COMBA TELECOM SYSTEMS (GUANGZHOU) Ltd. Patentee before: TIANJIN COMBA TELECOM SYSTEMS Ltd. |
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Effective date of registration: 20210813 Address after: 510641 No. five, 381 mountain road, Guangzhou, Guangdong, Tianhe District Patentee after: SOUTH CHINA University OF TECHNOLOGY Patentee after: COMBA TELECOM TECHNOLOGY (GUANGZHOU) Ltd. Address before: 510641 No. five, 381 mountain road, Guangzhou, Guangdong, Tianhe District Patentee before: SOUTH CHINA University OF TECHNOLOGY Patentee before: Jingxin Network System Co.,Ltd. Patentee before: COMBA TELECOM TECHNOLOGY (GUANGZHOU) Ltd. Patentee before: COMBA TELECOM SYSTEMS (GUANGZHOU) Ltd. Patentee before: TIANJIN COMBA TELECOM SYSTEMS Ltd. |
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