CN212277406U - Miniaturized multi-system integrated array antenna - Google Patents
Miniaturized multi-system integrated array antenna Download PDFInfo
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- CN212277406U CN212277406U CN202022160928.XU CN202022160928U CN212277406U CN 212277406 U CN212277406 U CN 212277406U CN 202022160928 U CN202022160928 U CN 202022160928U CN 212277406 U CN212277406 U CN 212277406U
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Abstract
The utility model relates to the technical field of wireless communication, in particular to a miniaturized multi-system integrated array antenna, which comprises a first antenna array, a second antenna array and a third antenna array; the first antenna array and the second antenna array respectively work in any one of a 2G network system, a 3G network system and a 4G network system; the third antenna array works in a 5G network mode; the first antenna array, the second antenna array and the third antenna array share a reflecting plate and an antenna housing; the first antenna array, the second antenna array and the third antenna array are arranged on the reflecting plate in a staggered and laminated mode; the utility model discloses a crisscross stromatolite of ingenious high school low frequency and the array design of cycle arranging, the abundant cubical space who has utilized the antenna has promoted the array and has arranged integrated degree, has reduced the antenna size, has realized the miniaturized design of integration that fuses the antenna, and it provides very big facility to fuse the network deployment for 4G & 5G.
Description
Technical Field
The utility model relates to a wireless communication technology field especially relates to a miniaturized multi-standard fuses array antenna.
Background
With the arrival of 5G business, the construction of 5G mobile communication networks is also accelerating, and the demand of 5G mobile communication devices by various large operators is more urgent, and the research and development of the base station antenna as the throat in mobile communication are also important. Nowadays, 4G lte network construction has already become perfect, and 5G network construction is still in the beginning stage, so one situation that 4G and 5G coexist for a long time will be faced, and the requirement of 4G &5G fusion antenna will also come up. Before 5G mobile communication is commercialized, each large base station antenna manufacturer focuses research on Massive MIMO active antennas in order to quickly respond and match the requirements of a 5G communication network, while relatively few researches on 4G &5G fused passive antennas are performed. The 4G &5G fusion antenna has the advantages that a plurality of systems using different frequency bands exist simultaneously, systems in different working modes such as FDD and TDD also exist simultaneously, the systems need to be fused in one antenna, the space occupied by an iron tower is reduced, the network construction cost is reduced, and the research and design difficulty of the antenna is greatly improved.
The multi-frequency multi-system antenna used in 4G mobile communication has certain deterioration in radiation performance compared with a conventional single-frequency antenna due to the limitation of the size of a sky surface, and the radiation performance of the antenna is certainly affected more seriously along with the integration of a 5G system. The existing 4G and 5G fusion antenna technology is realized by adopting a form of splicing and combining antenna arrays of different systems in the up, down, left and right directions, the size of the antenna is large, the performance is poor, and the construction and the coverage of a communication network are influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the problems in the prior art, and provides a miniaturized multi-system integrated array antenna, which at least solves one of the problems, the array antenna can cover 617-960MHz, 1.4GHz-2.69GHz and 3.3GHz-3.8GHz frequency bands, is compatible with FDD and TDD working modes, and integrates the requirements of 4G & 5G; the specific contents are as follows:
a miniaturized multi-mode fused array antenna comprises a first antenna array, a second antenna array and a third antenna array; the first antenna array and the second antenna array respectively work in any one of a 2G network system, a 3G network system and a 4G network system; the third antenna array works in a 5G network mode; the first antenna array, the second antenna array and the third antenna array share a reflecting plate and an antenna housing; the first antenna array, the second antenna array and the third antenna array are arranged on the reflecting plate in a staggered and laminated mode.
Further, the third antenna array is disposed at the bottom layer, the second antenna array is centered, and the first antenna array is disposed at the top.
Further, the number of the first antenna arrays is at least one column; the number of the second antenna arrays is at least one column; the number of the third antenna arrays is at least four columns.
Further, each column of the first antenna array at least comprises two low-frequency radiating elements; each row of the second antenna array at least comprises two intermediate frequency radiation units; each column of the third antenna array comprises at least two high-frequency radiation units.
Further, the working frequency band of the low-frequency radiation unit is 617-960MHz, the working frequency band of the medium-frequency radiation unit is 1.4-2.69GHz, and the working frequency band of the high-frequency radiation unit is 3.3-3.8 GHz.
Furthermore, a device for decoupling the high frequency band is arranged on the intermediate frequency radiation unit, and the intermediate frequency radiation unit has a filtering function; the low-frequency radiation unit is provided with a device for decoupling the middle and high frequency bands, and has a filtering function.
Further, if the high-frequency radiation unit interval of the third antenna array along the array axis direction is Δ y, the intermediate-frequency radiation unit interval of the second antenna array along the array axis direction is 2 times Δ y, and the low-frequency radiation unit interval of the first antenna array along the array axis direction is 4 times Δ y; the distance delta y between the high-frequency radiation units is 0.7-0.8 lambda, wherein lambda is the central frequency wavelength of the working frequency of the third antenna array.
Further, if the column pitch of the third antenna array is Δ x, the column pitch is 2 times Δ x when the second antenna array expands the number of arrays, and the column pitch is 4 times Δ x when the first antenna array expands the number of arrays; and the column spacing delta x is 0.55-0.65 lambda, wherein lambda is the central frequency wavelength of the working frequency of the third antenna array.
Furthermore, the radiation direction axes of the first antenna array, the second antenna array and the third antenna array are parallel to each other.
Further, the first antenna array and the second antenna array work in an FDD mode, and MIMO can be realized by expanding the number of arrays; the third antenna array works in an FDD or TDD mode, 4 columns are used as basic units, and the expansion array scale is integral multiple, so that multi-channel TDD is realized.
Through the technical scheme, the utility model discloses possess following beneficial effect at least:
the utility model discloses a miniaturized multi-standard integration array antenna has the bandwidth of super wide frequency channel, and this array antenna can cover 617-; by adding a decoupling device to the middle-low frequency band radiating unit, the mutual influence among different frequency bands is reduced, and the independence of each electrical property of each frequency band is guaranteed; the form of concatenation about changing traditional many arrays about, through the crisscross stromatolite of ingenious high school low frequency and the array design of cycle arrangement, the abundant cubical space that has utilized the antenna has promoted the array and has arranged integrated degree, has reduced the antenna size, has realized the miniaturized design of integration that fuses the antenna, for 4G &5G fuse the network deployment provide very big facility, has reduced the installation of antenna and the degree of difficulty of follow-up maintenance.
Drawings
Fig. 1 is a schematic diagram of an overall structure of a miniaturized multi-system integrated array antenna according to an embodiment of the present invention;
fig. 2 is a schematic view of a split structure of a first antenna array, a second antenna array, and a third antenna array of a miniaturized multi-system integrated array antenna according to an embodiment of the present invention;
fig. 3 is a schematic top view of an antenna array extension structure of a miniaturized multi-system integrated array antenna according to an embodiment of the present invention.
Description of reference numerals:
the antenna comprises a reflector 1, a low-frequency radiating unit 2, a medium-frequency radiating unit 3, a high-frequency radiating unit 4, a first antenna array 201, a second antenna array 301 and a third antenna array 401.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and therefore the drawings show only the constitution related to the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "upper," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the terms "and", "and" include any and all combinations of one or more of the associated listed items.
Referring to fig. 1-3, an embodiment of the present invention provides a miniaturized multi-system integrated array antenna, including a reflection plate 1, an antenna cover, a first antenna array 201, a second antenna array 301, and a third antenna array 401; the first antenna array 201 and the second antenna array 301 respectively work in any one of a 2G network system, a 3G network system and a 4G network system; the third antenna array 401 works in a 5G network system; the first antenna array 201, the second antenna array 301 and the third antenna array 401 share the reflecting plate 1 and the antenna housing; the first antenna array 201, the second antenna array 301 and the third antenna array 401 are disposed on the reflector 1 in a staggered and stacked manner.
In the embodiment of the present invention, the first antenna array 201 and the second antenna array 301 respectively work in any one of a 2G network system, a 3G network system and a 4G network system, which may be determined according to actual needs, and the third antenna array 401 works in a 5G network system; specifically, when the network systems of the first antenna array 201 and the second antenna array 301 are the same, the present invention can simultaneously work in any one of a 5G network system, a 2G network system, a 3G network system and a 4G network system, that is, a 5G and 2G integrated design or a 5G and 3G integrated design or a 5G and 4G integrated design is realized; when the network system of first antenna array 201 and second antenna array 301 is inequality, then the utility model discloses can work in arbitrary two kinds in 5G network system and 2G network system, 3G network system and the 4G network system simultaneously, realized 5G, 3G, 4G integrated design or 5G, 2G, 3G integrated design or 5G, 2G, 4G integrated design promptly.
Specifically, as shown in fig. 1, in the embodiment of the present invention, the third antenna array 401 is arranged in the bottom layer, the second antenna array 301 is placed in the middle, the first antenna array 201 is arranged in the top, the full utilization of the three-dimensional space of the antenna promotes the integration degree of the antenna array arrangement, and through the arrangement of the array integration, the windward area size of the antenna is reduced, and the miniaturization of the antenna is realized.
Specifically, the number of the first antenna arrays 201 is at least one column; the number of the second antenna arrays 301 is at least one; the number of the third antenna arrays 401 is at least four columns. For example, in some embodiments of the present invention, as shown in fig. 1, the number of the first antenna arrays 201 is one, the number of the second antenna arrays 301 is two, and the number of the third antenna arrays 401 is four. The specific number of the first antenna array 201, the second antenna array 301, and the third antenna array 401 may also be determined according to actual requirements, and the embodiment of the present invention is not limited herein.
Further, each row of the first antenna array 201 at least includes two low frequency radiating elements 2, each row of the second antenna array 301 at least includes two intermediate frequency radiating elements 3, and each row of the third antenna array 401 at least includes two high frequency radiating elements 4. For example, in some embodiments of the present invention, as shown in fig. 1, each row of the first antenna array 201 includes two low-frequency radiating elements 2, each row of the second antenna array 301 includes four intermediate-frequency radiating elements 3, and each row of the third antenna array 401 includes eight high-frequency radiating elements 4. The specific number of the radiation units can also be determined according to actual needs, and the embodiments of the present invention are not limited herein.
The embodiment of the utility model provides a through the crisscross stromatolite of ingenious high school low frequency and the array design of periodic arrangement, the abundant cubical space who has utilized the antenna has promoted the array and has arranged integrated degree, has reduced the antenna size, has realized the miniaturized design of integration that fuses the antenna, for 4G &5G fusion network deployment provide very big facility, has reduced the installation of antenna and the degree of difficulty of follow-up maintenance.
Further, in the embodiment of the present invention, the working frequency band of the low-frequency radiating unit 2 is 617-960MHz, the working frequency band of the intermediate-frequency radiating unit 3 is 1.4-2.69GHz, and the working frequency band of the high-frequency radiating unit 4 is 3.3-3.8 GHz.
In the embodiment of the present invention, the intermediate frequency radiation unit 3 is provided with a device for decoupling the high frequency band, and has a filtering function, so as to reduce the influence of the intermediate frequency radiation unit 3 on the high frequency radiation unit 4; the low-frequency radiating unit 2 is provided with a device for decoupling the middle frequency band and the high frequency band, and has a filtering function, so that the influence of the low-frequency radiating unit 2 on the middle-frequency radiating unit 3 and the high-frequency radiating unit 4 is reduced, and the independence of each electric property of each frequency band is guaranteed.
In the embodiment of the present invention, preferably, the radiation direction axes of the first antenna array 201, the second antenna array 301, and the third antenna array 401 are parallel to each other and do not overlap; further, in order to obtain better radiation performance, the geometric axis of each antenna array is preferably linear but not limited to linear, and may be determined according to actual needs.
In the embodiment of the present invention, as shown in fig. 3, if the distance between the high frequency radiating elements 4 of the third antenna array 401 along the array axis direction is Δ y, the distance between the intermediate frequency radiating elements 3 of the second antenna array 301 along the array axis direction is 2 times Δ y, and the distance between the low frequency radiating elements 2 of the first antenna array 201 along the array axis direction is 4 times Δ y; the distance delta y between the high-frequency radiation units 4 is 0.7-0.8 lambda, wherein lambda is the central frequency wavelength of the working frequency of the third antenna array 401.
If the column pitch of the third antenna array 401 is Δ x, the column pitch is 2 times Δ x when the second antenna array 301 expands the number of arrays, and the column pitch is 4 times Δ x when the first antenna array 201 expands the number of arrays; the column spacing Δ x is 0.55-0.65 λ, where λ is a center frequency wavelength of an operating frequency of the third antenna array 401.
The embodiment of the utility model provides an among the array antenna that the miniaturized system of making more fuses, the independent distribution of feed network of each antenna array is placed at the front and the back of reflecting plate 1.
In the embodiment of the present invention, the first antenna array 201 and the second antenna array 301 operate in FDD mode, and can implement MIMO (Multiple-input Multiple-output) by expanding the number of arrays; the third antenna array 401 works in an FDD or TDD mode, and realizes multi-channel TDD with 4 columns as basic units and an integral multiple of expanded array scale; for example, as shown in fig. 3, by expanding the array size, the number of the first antenna array 201 is two, the number of the second antenna array 301 is four, and the number of the third antenna array 401 is eight; the two adjacent columns of first antenna arrays 201 are aligned, the two adjacent columns of second antenna arrays 301 are aligned, and the two adjacent columns of third antenna arrays 401 are aligned; the first antenna array 201 is located between two adjacent columns of the second antenna arrays 301, and the low-frequency radiation unit 2 and the intermediate-frequency radiation unit 3 are arranged in a staggered manner; the second antenna array 301 is located between two adjacent columns of the third antenna arrays 401, and the intermediate frequency radiation unit 3 and the high frequency radiation unit 4 are arranged in a staggered manner.
The utility model discloses a miniaturized multi-standard integration array antenna has the bandwidth of super wide frequency channel, and this array antenna can cover 617-; by adding a decoupling device to the middle-low frequency band radiating unit, the mutual influence among different frequency bands is reduced, and the independence of each electrical property of each frequency band is guaranteed; the form of concatenation about changing traditional many arrays about, through the crisscross stromatolite of ingenious high school low frequency and the array design of cycle arrangement, the abundant cubical space that has utilized the antenna has promoted the array and has arranged integrated degree, has reduced the antenna size, has realized the miniaturized design of integration that fuses the antenna, for 4G &5G fuse the network deployment provide very big facility, has reduced the installation of antenna and the degree of difficulty of follow-up maintenance.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (10)
1. A miniaturized multi-system integrated array antenna is characterized in that: the antenna comprises a first antenna array, a second antenna array and a third antenna array; the first antenna array and the second antenna array respectively work in any one of a 2G network system, a 3G network system and a 4G network system; the third antenna array works in a 5G network mode; the first antenna array, the second antenna array and the third antenna array share a reflecting plate and an antenna housing; the first antenna array, the second antenna array and the third antenna array are arranged on the reflecting plate in a staggered and laminated mode.
2. The miniaturized multi-system converged array antenna according to claim 1, wherein: the third antenna array is arranged at the bottommost layer, the second antenna array is arranged in the middle, and the first antenna array is arranged at the topmost layer.
3. The miniaturized multi-system converged array antenna according to claim 1, wherein: the number of the first antenna arrays is at least one column; the number of the second antenna arrays is at least one column; the number of the third antenna arrays is at least four columns.
4. The miniaturized multi-system converged array antenna according to claim 3, wherein: each column of the first antenna array at least comprises two low-frequency radiation units; each row of the second antenna array at least comprises two intermediate frequency radiation units; each column of the third antenna array comprises at least two high-frequency radiation units.
5. The miniaturized multi-system converged array antenna according to claim 4, wherein: the working frequency range of the low-frequency radiation unit is 617-960MHz, the working frequency range of the medium-frequency radiation unit is 1.4-2.69GHz, and the working frequency range of the high-frequency radiation unit is 3.3-3.8 GHz.
6. The miniaturized multi-system converged array antenna according to claim 4, wherein: the intermediate frequency radiation unit is provided with a device for decoupling the high frequency band, and has a filtering function; the low-frequency radiation unit is provided with a device for decoupling the middle and high frequency bands, and has a filtering function.
7. The miniaturized multi-system converged array antenna according to claim 4, wherein: if the distance between the high-frequency radiation units of the third antenna array along the array axis direction is set to be delta y, the distance between the medium-frequency radiation units of the second antenna array along the array axis direction is 2 times delta y, and the distance between the low-frequency radiation units of the first antenna array along the array axis direction is 4 times delta y; the distance delta y between the high-frequency radiation units is 0.7-0.8 lambda, wherein lambda is the central frequency wavelength of the working frequency of the third antenna array.
8. A miniaturized multi-system converged array antenna according to any one of claims 4 to 7, wherein: if the column spacing of the third antenna array is set to be delta x, the column spacing is 2 times delta x when the second antenna array expands the number of arrays, and the column spacing is 4 times delta x when the first antenna array expands the number of arrays; and the column spacing delta x is 0.55-0.65 lambda, wherein lambda is the central frequency wavelength of the working frequency of the third antenna array.
9. The miniaturized multi-system converged array antenna according to claim 1, wherein: the radiation direction axes of the first antenna array, the second antenna array and the third antenna array are parallel to each other.
10. The miniaturized multi-system converged array antenna according to claim 1, wherein: the first antenna array and the second antenna array work in an FDD mode, and MIMO can be realized by expanding the number of the arrays; the third antenna array works in an FDD or TDD mode, 4 columns are used as basic units, and the expansion array scale is integral multiple, so that multi-channel TDD is realized.
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| CN202022160928.XU CN212277406U (en) | 2020-09-27 | 2020-09-27 | Miniaturized multi-system integrated array antenna |
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| CN202022160928.XU CN212277406U (en) | 2020-09-27 | 2020-09-27 | Miniaturized multi-system integrated array antenna |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112086759A (en) * | 2020-09-27 | 2020-12-15 | 广东博纬通信科技有限公司 | Miniaturized multi-system integrated array antenna |
| WO2023109765A1 (en) * | 2021-12-16 | 2023-06-22 | 华为技术有限公司 | Antenna system and communication device |
-
2020
- 2020-09-27 CN CN202022160928.XU patent/CN212277406U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112086759A (en) * | 2020-09-27 | 2020-12-15 | 广东博纬通信科技有限公司 | Miniaturized multi-system integrated array antenna |
| WO2023109765A1 (en) * | 2021-12-16 | 2023-06-22 | 华为技术有限公司 | Antenna system and communication device |
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