CN107359424B - Array antenna - Google Patents
Array antenna Download PDFInfo
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- CN107359424B CN107359424B CN201710532609.7A CN201710532609A CN107359424B CN 107359424 B CN107359424 B CN 107359424B CN 201710532609 A CN201710532609 A CN 201710532609A CN 107359424 B CN107359424 B CN 107359424B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/08—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a rectilinear path
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
- H01Q1/523—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas between antennas of an array
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/24—Polarising devices; Polarisation filters
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention relates to an array antenna comprising: the metal reflecting plate, the partition wall and two low frequency subarrays, the mutual crisscross setting of two low frequency subarrays is on the metal reflecting plate, the partition wall sets up along the central line of metal reflecting plate, every low frequency subarray comprises first group low frequency radiating element, second group low frequency radiating element and third group low frequency radiating element, first group low frequency radiating element sets up in the one side of partition wall, second group low frequency radiating element and third group low frequency radiating element set up in the opposite side of partition wall, the second group low frequency radiating element is arranged on being close to a straight line parallel with the metal reflecting plate central line, the third group low frequency radiating element is arranged on keeping away from another straight line parallel with the metal reflecting plate central line. The two rows of antenna arrays are mutually staggered, so that not only is the horizontal plane beam width narrowed and the front-to-back ratio improved, but also the distance between the two rows of antenna arrays is narrowed, and the miniaturization of the antenna is realized.
Description
Technical Field
The invention relates to the field of communication, in particular to an array antenna.
Background
With the large-scale use of mobile intelligent terminals such as smart phones and tablet computers, along with the incredible growth of instant messaging software users such as Facebook, whatsApp, twitter and WeChat and the rapid development of wireless services such as mobile video, the data traffic of mobile communication shows explosive growth, and users have put forward higher and higher demands on the capacity of a communication system. On the other hand, with the increasing difficulty of site building, in order to reduce the network building cost, operators are required to realize co-site co-location, so that multisystemization, broadband and miniaturization of base station antennas have become one of the current hot spots.
Currently, a common technical means for increasing the system capacity is to use a MIMO (Multiple-Input Multiple-Output) system. The base station antennas used in this system require two antenna arrays to be placed side by side. However, the existing two-column dual-polarized antenna array is too close to the arrangement, the influence between adjacent antenna units is great, and the antenna performance is greatly influenced, such as low gain, poor isolation and pattern deformation. If the distance between adjacent antenna units in the two-column dual-polarized antenna array is far, the whole antenna is increased in size and occupies a large space.
There is a need to develop an ultra wideband array antenna that is compact in structure, in response to the above problems.
Disclosure of Invention
In view of the above, in order to solve the above-mentioned problems in the prior art, the present invention provides an array antenna, which has a small antenna size, and has a high beam overlap ratio between the left and right low frequency sub-arrays, so that MIMO communication is more easily implemented, and the capacity of a communication system is improved.
In order to achieve the above object, the technical scheme of the present invention is as follows:
an array antenna, comprising: the metal reflecting plate, the partition wall and two low frequency subarrays, the mutual crisscross setting of two low frequency subarrays is on the metal reflecting plate, the partition wall sets up along the central line of metal reflecting plate, every low frequency subarray is by first group low frequency radiation unit, second group low frequency radiation unit and third group low frequency radiation unit, first group low frequency radiation unit sets up in the one side of partition wall, second group low frequency radiation unit and third group low frequency radiation unit set up in the opposite side of partition wall, the second group low frequency radiation unit is arranged on being close to and on a straight line parallel with the metal reflecting plate central line, third group low frequency radiation unit is arranged on keeping away from and on another straight line parallel with the metal reflecting plate central line, the quantity of first group low frequency radiation unit is 1, the quantity of second group low frequency radiation unit is M, the quantity of third group low frequency radiation unit is N, wherein, M is the integer of greater than 1, N is the integer of greater than or equal to 1.
Preferably, M is 2 and N is 3.
Preferably, the first set of low frequency radiating elements of the low frequency sub-array is collinear with the second set of low frequency radiating elements of the other low frequency sub-array.
Preferably, M is 4 and N is 1.
Preferably, each low frequency radiating element comprises a positively polarized element and a negatively polarized element, said positively and negatively polarized elements constituting a dual polarized element.
Preferably, the positive electrode is polarized at +45 degrees and the negative electrode is polarized at-45 degrees.
Preferably, the partition wall is a metal wall made of a metal flat plate.
Preferably, the high-frequency radiating element comprises a plurality of columns of high-frequency radiating elements, each column of high-frequency radiating elements is arranged on a straight line parallel to the central line of the metal reflecting plate, and each column of high-frequency radiating elements is parallel to each other and is not overlapped with each other.
Preferably, two high-frequency arrays of the four high-frequency radiating elements are located outside the straight line where the second group of low-frequency radiating elements of the two low-frequency sub-arrays are located, and the other two high-frequency arrays are located between the straight lines where the third group of low-frequency radiating elements of the two low-frequency sub-arrays are located.
Preferably, the low-frequency radiation unit works in the frequency range of 694 to 960MHz, and the high-frequency radiation unit works in the frequency range of 1695 to 2690 MHz.
Compared with the prior art, the array antenna has the advantages that the beam overlap ratio of the left low-frequency array and the right low-frequency array is higher, MIMO communication is realized more favorably, and the capacity of a communication system is improved. The left and right antenna sub-arrays are staggered with each other, so that not only is the horizontal plane beam width narrowed, the front-to-back ratio is improved, but also the distance between the left and right antenna columns is narrowed, and the miniaturization of the antennas is realized.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is an array layout diagram of an array antenna according to a first embodiment;
fig. 2 is an array layout diagram of an array antenna according to a second embodiment;
fig. 3 is an array layout diagram of an array antenna according to a third embodiment;
fig. 4 is an array layout diagram of an array antenna according to a fourth embodiment;
in the figure: the 1-metal reflecting plate, the 2-low frequency subarray, the 3-partition wall and the 4-high frequency radiating element, 201, 202, 203, 204, 205, 206, 211, 212, 213, 214, 215, 216, 221, 222, 223, 224, 225, 226, 231, 232, 233, 234, 235 and 236 are vibrators.
Detailed Description
The foregoing objects, features and advantages of the invention will be more readily apparent from the following detailed description of the invention taken in conjunction with the accompanying drawings and detailed description. It should be noted that the described embodiments are only some embodiments of the present invention, and not all embodiments, and that all other embodiments obtained by persons skilled in the art without making creative efforts based on the embodiments in the present invention are within the protection scope of the present invention.
It should be noted that all directional indicators (such as up, down, left, right, … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators are correspondingly changed. Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.
Example 1
As shown in fig. 1, an array antenna includes: the metal reflector plate 1, the partition wall 3 and two low frequency subarrays 2, the two low frequency subarrays 2 are arranged on the metal reflector plate 1 in a staggered mode, the partition wall 3 is arranged along the central line of the metal reflector plate 1, each low frequency subarray is composed of a first group of low frequency radiating elements, a second group of low frequency radiating elements and a third group of low frequency radiating elements, the first group of low frequency radiating elements are arranged on one side of the partition wall 3, the second group of low frequency radiating elements and the third group of low frequency radiating elements are arranged on the other side of the partition wall 3, the second group of low frequency radiating elements are arranged on a straight line which is close to and parallel to the central line of the metal reflector plate 1, the third group of low frequency radiating elements are arranged on another straight line which is far away from and parallel to the central line of the metal reflector plate 1, the number of the first group of low frequency radiating elements is 1, the number of the second group of low frequency radiating elements is M, the number of the third group of low frequency radiating elements is N, wherein M is an integer greater than 1, and N is an integer greater than or equal to 1. In this embodiment, m=2, n=3.
Taking six +/-45 degree dual polarized vibrators as an example for each of the two low frequency subarrays 2, the left low frequency subarray comprises vibrators 201-216, the right low frequency subarray comprises vibrators 221-236, and the two low frequency subarrays 2 are mutually independent to form two mutually independent low frequency systems. Wherein the vibrators 201, 202, 203, 204, 205, 206 are the positive poles of the left-row low-frequency subarrays; the resonators 211, 212, 213, 214, 215, 216 are negative electrodes of the left-row low-frequency subarrays; the positive polarization is preferably +45° polarized; the negative polarization is preferably-45 ° polarization. The first radiating elements 201 and 211 of the left column low frequency sub-array are distributed on the right side of the partition wall 3; the second radiating elements 202, 212 and the third radiating elements 203, 213 of the left-row low-frequency subarray are positioned on a straight line parallel to the central line of the metal reflecting plate 1 and distributed on the left side of the partition wall 3; the fourth radiation elements 204, 214, the fifth radiation elements 205, 215 and the sixth radiation elements 206, 216 are positioned on another straight line parallel to the center line of the metal reflecting plate 1, and are distributed on the left side of the partition wall 3. The arrangement mode of the right-row low-frequency subarray and the left-row low-frequency subarray is similar, and the right-row low-frequency subarray and the left-row low-frequency subarray are symmetrically distributed by taking the central line of the metal reflecting plate 1 as a symmetrical axis. The first radiating elements 201 and 211 of the left-column low frequency sub-array are in line with the second radiating elements 222, 232 and the third radiating elements 223, 233 of the right-column low frequency sub-array, and the first radiating elements 231 and 221 of the right-column low frequency sub-array are in line with the second radiating elements 212, 202 and the third radiating elements 213, 203 of the left-column low frequency sub-array.
The partition wall 3 is a metal wall which is made of a metal flat plate and is connected with a metal reflecting plate, and the partition wall can adjust the horizontal plane beam offset of the whole array and improve the isolation between the two arrays.
The fourth, fifth and sixth radiating elements in the left array antenna form a beam with a wider horizontal plane deviating to the right, the second, third radiating elements and the partition wall form a beam with a wider horizontal plane deviating to the left, the horizontal plane beam width of the antenna is narrowed by the horizontal deviation of the position of the first radiating element, and the horizontal plane beam of the antenna is further deviated to the right, so that the whole array antenna forms an overall pattern with small beam pointing deviation and moderate wave width.
The left antenna array and the right antenna array are mutually staggered, so that not only is the horizontal plane beam width narrowed and the front-to-back ratio improved, but also the distance between the left antenna array and the right antenna array is narrowed, and the miniaturization design of the antennas is realized.
Example two
As shown in fig. 2, in this example, the low-frequency array arrangement and the embodiment are the same, the high-frequency radiating unit 4 includes two vibrators orthogonal to each other, the plurality of high-frequency radiating units 4 are arranged on four straight lines parallel to the center line of the metal reflecting plate to form four columns of high-frequency arrays, which are respectively a first high-frequency array, a second high-frequency array, a third high-frequency array and a fourth high-frequency array from left to right, and each column of high-frequency array is composed of seven high-frequency radiating units.
The first high-frequency array and the fourth high-frequency array are positioned at the outer sides of the straight lines where the second radiation unit and the third radiation unit of the two low-frequency arrays are positioned, and the second high-frequency array and the third high-frequency array are positioned between the straight lines where the fourth radiation unit, the fifth radiation unit and the sixth radiation unit of the two low-frequency arrays are positioned. The first high-frequency array and the fourth high-frequency array are distributed on the upper half part of the bottom plate, the second high-frequency array and the third high-frequency array are distributed on the lower half part of the bottom plate, and orthographic projections of the low-frequency radiating unit and the high-frequency radiating unit on the metal reflecting plate are not overlapped with each other.
Each row of high-frequency arrays are respectively subordinate to an independent high-frequency system, in other words, the embodiment of the invention is provided with four mutually independent high-frequency systems, the four high-frequency systems can work in different frequency bands or the same frequency band and jointly cover 1695-2690 MHz frequency bands, and simultaneously, two rows of low-frequency arrays cover 694-960 MHz frequency bands to form two mutually independent low-frequency systems;
therefore, in the embodiment of the invention, 6 systems are accommodated, namely, six-frequency-band array antennas in which 2 low-frequency systems and 4 high-frequency systems coexist are formed.
Example III
As shown in fig. 3, the array antenna of the present embodiment is substantially the same as that of the first embodiment, except that m=4, n=1. The first radiating elements of the two low-frequency subarrays are positioned between the straight lines of the second radiating elements and the third radiating elements of the two low-frequency subarrays.
Example IV
As shown in fig. 4, in this embodiment, as in the third embodiment, the high-frequency radiating unit includes two vibrators orthogonal to each other, and the plurality of high-frequency radiating units are arranged on four straight lines parallel to the center line of the metal reflecting plate to form four columns of high-frequency arrays, which are respectively, from left to right, a first high-frequency array, a second high-frequency array, a third high-frequency array, and a fourth high-frequency array, each column of high-frequency array being composed of ten high-frequency radiating units.
The first high-frequency array and the fourth high-frequency array are positioned at the outer sides of the straight lines where the second radiation unit and the third radiation unit of the two low-frequency arrays are positioned, and the second high-frequency array and the third high-frequency array are positioned between the straight lines where the fourth radiation unit, the fifth radiation unit and the sixth radiation unit of the two low-frequency arrays are positioned.
Each row of high-frequency arrays are respectively subordinate to an independent high-frequency system, in other words, the embodiment of the invention is provided with four mutually independent high-gain high-frequency systems, the four high-frequency systems can work in different frequency bands or the same frequency band and jointly cover 1695-2690 MHz frequency bands, and simultaneously, two rows of low-frequency arrays cover 694-960 MHz frequency bands to form two mutually independent low-frequency systems; namely, an array antenna with six frequency bands and high gain, in which 2 low frequency systems and 4 high frequency systems coexist, is formed.
In summary, the beam overlap ratio of the left and right low-frequency arrays of the array antenna is higher, which is more beneficial to realizing MIMO communication and improving the capacity of a communication system. The left and right antenna sub-arrays are staggered with each other, so that not only is the horizontal plane beam width narrowed, the front-to-back ratio is improved, but also the distance between the left and right antenna columns is narrowed, and the miniaturization of the antennas is realized.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (4)
1. An array antenna, comprising: the metal reflection plate, the partition wall and two low-frequency subarrays, wherein the two low-frequency subarrays are arranged on the metal reflection plate in a staggered manner, the partition wall is arranged along the central line of the metal reflection plate, each low-frequency subarray consists of a first group of low-frequency radiation units, a second group of low-frequency radiation units and a third group of low-frequency radiation units, the first group of low-frequency radiation units is arranged on one side of the partition wall, the second group of low-frequency radiation units and the third group of low-frequency radiation units are arranged on the other side of the partition wall, the second group of low-frequency radiation units are arranged on a straight line which is close to and parallel with the central line of the metal reflection plate, the third group of low-frequency radiation units are arranged on the other straight line which is far away from and parallel with the central line of the metal reflection plate, the number of the first group of low-frequency radiation units is 1, the number of the second group of low-frequency radiation units is 2, and the number of the third group of low-frequency radiation units is 3.
The low-frequency subarray is provided with six +/-45-degree dual-polarized vibrators, the left low-frequency subarray comprises a first group of vibrators (201-216), the right low-frequency subarray comprises a second group of vibrators (221-236), and the two low-frequency subarrays are mutually independent to form two mutually independent low-frequency systems;
the first radiating elements (201, 211) of the left-row low-frequency subarray are distributed on the right side of the partition wall; the second radiating units (202, 212) and the third radiating units (203, 213) of the left low-frequency subarray are positioned on a straight line parallel to the central line of the metal reflecting plate and distributed on the left side of the partition wall; a fourth radiating element (204, 214) of the left low-frequency subarray, a fifth radiating element (205, 215) and a sixth radiating element (206, 216) are positioned on another straight line parallel to the central line of the metal reflecting plate and distributed on the left side of the partition wall; the arrangement mode of the right low-frequency subarray and the left low-frequency subarray is similar, and the right low-frequency subarray and the left low-frequency subarray are symmetrically distributed by taking the central line of the metal reflecting plate as a symmetrical axis; the first radiating element (201, 211) of the left low frequency sub-array is positioned on the same straight line as the second radiating element (222, 232) and the third radiating element (223, 233) of the right low frequency sub-array, and the first radiating element (231, 221) of the right low frequency sub-array is positioned on the same straight line as the second radiating element (202, 212) and the third radiating element (203, 213) of the left low frequency sub-array;
the partition wall is made of a metal flat plate and is connected with the metal reflecting plate; the fourth, fifth and sixth radiating elements in the left array antenna form a wider beam with a horizontal plane biased to the right, the second and third radiating elements and the dividing wall form a wider beam with a horizontal plane biased to the left, and the horizontal plane beam width of the antenna is narrowed by the horizontal offset of the position of the first radiating element.
2. An array antenna according to claim 1, wherein: the high-frequency radiating unit comprises two vibrators which are mutually orthogonal, a plurality of high-frequency radiating units are arranged on four straight lines which are parallel to the central line of the metal reflecting plate to form four rows of high-frequency arrays, wherein the first high-frequency array, the second high-frequency array, the third high-frequency array and the fourth high-frequency array are respectively arranged from left to right, and each row of high-frequency array consists of seven high-frequency radiating units;
the first high-frequency array and the fourth high-frequency array are positioned at the outer sides of the straight lines where the second radiation unit and the third radiation unit of the two low-frequency arrays are positioned, and the second high-frequency array and the third high-frequency array are positioned between the straight lines where the fourth radiation unit, the fifth radiation unit and the sixth radiation unit of the two low-frequency arrays are positioned; the first high-frequency array and the fourth high-frequency array are distributed on the upper half part of the bottom plate, the second high-frequency array and the third high-frequency array are distributed on the lower half part of the bottom plate, and the orthographic projections of the low-frequency radiating unit and the high-frequency radiating unit on the metal reflecting plate are not overlapped;
each array antenna row of high-frequency arrays is respectively subordinate to an independent high-frequency system and is provided with four mutually independent high-frequency systems, the four high-frequency systems work in different frequency bands or the same frequency band and jointly cover 1695-2690 MHz frequency bands, and two rows of low-frequency arrays cover 694-960 MHz frequency bands to form two mutually independent low-frequency systems.
3. An array antenna, comprising: the metal reflection plate, the partition wall and two low-frequency subarrays, wherein the two low-frequency subarrays are arranged on the metal reflection plate in a staggered manner, the partition wall is arranged along the central line of the metal reflection plate, each low-frequency subarray consists of a first group of low-frequency radiation units, a second group of low-frequency radiation units and a third group of low-frequency radiation units, the first group of low-frequency radiation units is arranged on one side of the partition wall, the second group of low-frequency radiation units and the third group of low-frequency radiation units are arranged on the other side of the partition wall, the second group of low-frequency radiation units are arranged on a straight line which is close to and parallel with the central line of the metal reflection plate, the third group of low-frequency radiation units are arranged on the other straight line which is far away from and parallel with the central line of the metal reflection plate, the number of the first group of low-frequency radiation units is 1, the number of the second group of low-frequency radiation units is 4, and the number of the third group of low-frequency radiation units is 1.
The first radiating units of the two low-frequency subarrays are positioned between the straight lines of the second radiating units and the third radiating units of the two low-frequency subarrays;
the low-frequency subarray is provided with six +/-45-degree dual-polarized vibrators, the left low-frequency subarray comprises a first group of vibrators, the right low-frequency subarray comprises a second group of vibrators, and the two low-frequency subarrays are mutually independent to form two mutually independent low-frequency systems;
the first radiating units of the left-row low-frequency subarray are distributed on the right side of the partition wall; the second radiation unit, the third radiation unit, the fourth radiation unit and the fifth radiation unit of the left low-frequency subarray are positioned on a straight line parallel to the central line of the metal reflecting plate and distributed on the left side of the partition wall; the sixth radiating units of the left low-frequency subarray are positioned on the other straight line parallel to the central line of the metal reflecting plate and distributed on the left side of the partition wall; the arrangement mode of the right low-frequency subarray and the left low-frequency subarray is similar, and the right low-frequency subarray and the left low-frequency subarray are symmetrically distributed by taking the central line of the metal reflecting plate as a symmetrical axis; the second radiating element, the third radiating element, the fourth radiating element and the fifth radiating element of the right low-frequency subarray are positioned on the same straight line, and the second radiating element, the third radiating element, the fourth radiating element and the fifth radiating element of the left low-frequency subarray are positioned on the same straight line;
the partition wall is made of a metal flat plate and is connected with the metal reflecting plate; the sixth radiating element in the left array antenna forms a wider beam with a horizontal plane offset to the right, the second, third, fourth, fifth radiating elements and the dividing wall form a wider beam with a horizontal plane offset to the left, and the horizontal plane beam width of the antenna is narrowed by the horizontal offset of the first radiating element position.
4. An array antenna according to claim 3, wherein: the high-frequency radiating unit comprises two vibrators which are mutually orthogonal, a plurality of high-frequency radiating units are arranged on four straight lines which are parallel to the central line of the metal reflecting plate to form four rows of high-frequency arrays, namely a first high-frequency array, a second high-frequency array, a third high-frequency array and a fourth high-frequency array from left to right, wherein each row of high-frequency array consists of ten high-frequency radiating units;
the first high-frequency array and the fourth high-frequency array are positioned at the outer sides of the straight lines where the second radiation unit and the third radiation unit of the two low-frequency arrays are positioned, and the second high-frequency array and the third high-frequency array are positioned between the straight lines where the fourth radiation unit, the fifth radiation unit and the sixth radiation unit of the two low-frequency arrays are positioned;
each array antenna row of high-frequency arrays is respectively subordinate to an independent high-frequency system and is provided with four mutually independent high-gain high-frequency systems, the four high-frequency systems work in different frequency bands or the same frequency band and jointly cover 1695-2690 MHz frequency bands, and two rows of low-frequency arrays cover 694-960 MHz frequency bands to form two mutually independent low-frequency systems.
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| CN112467403B (en) * | 2019-09-06 | 2024-01-19 | 成都恪赛科技有限公司 | Dual-frenquency common bore phased array antenna device suitable for Sub 6G |
| CN110808467B (en) * | 2019-11-26 | 2021-12-03 | 中信科移动通信技术股份有限公司 | Multi-frequency fusion antenna array |
| CN110867647A (en) * | 2019-11-27 | 2020-03-06 | 江苏华灿电讯集团股份有限公司 | Miniaturized electric adjusting antenna |
| CN110911820A (en) * | 2019-12-13 | 2020-03-24 | 江苏亚信电子科技有限公司 | Four-port high-frequency manual electric tuning antenna |
| CN116325365A (en) * | 2020-11-30 | 2023-06-23 | 华为技术有限公司 | Base station antenna and base station |
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| CN2658958Y (en) * | 2002-12-05 | 2004-11-24 | 凯瑟雷恩工厂两合公司 | Bidimensional antenne array |
| CN103094715A (en) * | 2012-01-13 | 2013-05-08 | 京信通信系统（中国）有限公司 | Antenna control system and multi-frequency shared antenna |
| CN205509015U (en) * | 2016-04-13 | 2016-08-24 | 罗森伯格（上海）通信技术有限公司 | Remove coupling antenna array between row |
| CN207038736U (en) * | 2017-07-03 | 2018-02-23 | 广东博纬通信科技有限公司 | A kind of array antenna |
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| CN107359424A (en) | 2017-11-17 |
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