CN110444908B - Two low two high multiport base station antennas - Google Patents
Two low two high multiport base station antennas Download PDFInfo
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- CN110444908B CN110444908B CN201910821348.XA CN201910821348A CN110444908B CN 110444908 B CN110444908 B CN 110444908B CN 201910821348 A CN201910821348 A CN 201910821348A CN 110444908 B CN110444908 B CN 110444908B
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- 230000005855 radiation Effects 0.000 claims abstract description 75
- 229910000838 Al alloy Inorganic materials 0.000 claims description 8
- 238000004512 die casting Methods 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000010295 mobile communication Methods 0.000 description 4
- 238000003491 array Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/18—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces
- H01Q19/185—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces wherein the surfaces are plane
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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
- H01Q21/00—Antenna arrays or systems
- H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
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Abstract
The invention belongs to the technical field of base station antennas, and particularly relates to a two-low two-high multi-port base station antenna, which comprises a base plate, wherein a first reflecting plate and a second reflecting plate are respectively arranged on two sides of the base plate, a first low-frequency radiation antenna array, a second low-frequency radiation antenna array, a first high-frequency radiation antenna array and a second high-frequency radiation antenna array which are parallel or overlapped with each other are arranged on the base plate, the first low-frequency radiation antenna array comprises a plurality of first low-frequency vibrators, the second low-frequency radiation antenna array comprises a plurality of second low-frequency vibrators, the first high-frequency radiation antenna array comprises a plurality of first high-frequency vibrators, the first low-frequency vibrators and the first high-frequency vibrators are arranged in a straight line and distributed on the base plate at equal intervals, and close to the first reflecting plate, and a part of the first high-frequency vibrators are embedded in the first low-frequency vibrators; the second low-frequency oscillator and the second high-frequency oscillator are arrayed into a straight line and distributed on the bottom plate at equal intervals, the second low-frequency oscillator is close to the second reflecting plate, and part of the second high-frequency oscillator is embedded into the second low-frequency oscillator.
Description
Technical Field
The invention belongs to the technical field of base station antennas, and particularly relates to a base station antenna with two low ports and two high ports.
Background
In recent years, with the increase of mobile communication network systems, in order to save station addresses and antenna feed resources, reduce the difficulty of property coordination, reduce investment cost, and the co-station co-location multi-frequency array antenna becomes the first choice for network construction. In the existing wireless communication system, the MIMO (Multiple-Input Multiple-Output) antenna technology is an important key technology for improving the quality and efficiency of mobile communication, and the MIMO technology can fully utilize space resources, realize Multiple transmission and Multiple reception through Multiple antennas, and can greatly improve the channel capacity of the system, improve the reliability of the channel and reduce the bit error rate on the premise of not increasing the spectrum resources and the antenna transmitting power.
The current global mobile communication systems are more, and the frequency bands of the systems are different from each other, namely 2G, 3G, 4G, 5G and 6G in the future, and the frequency bands used by different operators in the same system in the same region are also different. In order to meet the current practical requirement of multiple and complex mobile communication frequency bands, developing a base station antenna which simultaneously covers high and low frequency bands and supports broadband in the high and low frequency bands has become an inevitable direction of the technical development of the base station antenna.
The existing base station antenna cannot realize the technical requirements that the multi-port antenna supports two low-frequency bands and two high-frequency bands simultaneously, the high frequency band and the low frequency band are wide frequency bands, and meanwhile, the radiation performance of the existing base station antenna is poor.
Disclosure of Invention
In order to solve the problems that the existing base station antenna cannot realize that the multi-port antenna can simultaneously support two low-frequency bands and two high-frequency bands, and cannot meet the technical requirement that both high frequency and low frequency are broadband, and the radiation performance of the base station antenna is poor, the invention discloses a two-low two-high multi-port base station antenna, wherein a first low-frequency radiation antenna array, a second low-frequency radiation antenna array, a first high-frequency radiation antenna array and a second high-frequency radiation antenna array are simultaneously arranged on a bottom plate with a first reflecting plate and a second reflecting plate respectively at two sides, the multi-port antenna can simultaneously support two low frequencies and two high frequencies, and meanwhile, the antenna has good isolation index and radiation performance, and the performance is greatly improved, so that the problems are effectively solved.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The base station antenna comprises a base plate, wherein a first reflecting plate and a second reflecting plate are respectively arranged on two sides of the base plate, a first low-frequency radiation antenna array, a second low-frequency radiation antenna array, a first high-frequency radiation antenna array and a second high-frequency radiation antenna array which are parallel or overlapped with each other are arranged on the base plate, the first low-frequency radiation antenna array comprises a plurality of first low-frequency vibrators, the second low-frequency radiation antenna array comprises a plurality of second low-frequency vibrators, the first high-frequency radiation antenna array comprises a plurality of first high-frequency vibrators, the second high-frequency radiation antenna array comprises a plurality of second high-frequency vibrators, the first low-frequency vibrators and the first high-frequency vibrators are distributed on the base plate in an equidistant mode, and a part of the first high-frequency vibrators are embedded in the first low-frequency vibrators; the second low-frequency oscillator and the second high-frequency oscillator are arrayed into a straight line and distributed on the bottom plate at equal intervals, the second low-frequency oscillator is close to the second reflecting plate, and part of the second high-frequency oscillator is embedded into the second low-frequency oscillator.
Preferably, the first low-frequency radiating antenna array includes 5-10 first low-frequency vibrators, the second low-frequency radiating antenna array includes 5-10 second low-frequency vibrators, the first high-frequency radiating antenna array includes 5-10 first high-frequency vibrators, and the second high-frequency radiating antenna array includes 5-10 second high-frequency vibrators.
Preferably, the center frequency of the first low-frequency radiation antenna array is f1, the length of the first reflecting plate is equal to the length of the bottom plate, d1 is the length of the bottom plate, h1 is the height, and the h1 is 0.08-0.15 times of the wavelength of f 1; the center frequency of the second low-frequency radiation antenna array is f2, the length of the second reflecting plate is equal to the length of the bottom plate, d1 is the length of the second reflecting plate, the height of the second reflecting plate is h2, and the h2 is 0.08-0.15 times of the wavelength of the f 2.
Preferably, the center frequency of the first high-frequency radiation antenna array is f3, and reflection plates III are arranged on two sides of at least one first high-frequency vibrator, wherein the length of each reflection plate III is d3, the height of each reflection plate III is h3, d3 is 0.65-0.78 times of the wavelength of f3, and h3 is 0.13-0.22 times of the wavelength of f 3; the distance between every two reflecting plates III is b1, and b1 is 0.65-0.96 times of the wavelength of f 3.
Preferably, at least one group of the reflecting plates three moves to the middle or two sides along the central line of the first high-frequency radiation antenna array until the distance reaches b2, and the absolute value of the difference between b2 and b1 is 0-0.2 times of the wavelength of f 3.
Preferably, the center frequency of the second high-frequency radiation antenna array is f4, two sides of at least one second high-frequency oscillator are provided with reflection plates four, the length of each reflection plate four is d4, the height of each reflection plate is h4, d4 is 0.65-0.78 times of the wavelength of f4, and h4 is 0.13-0.22 times of the wavelength of f 4; the distance between every two reflecting plates in each group is b3, and b3 is 0.65-0.96 times of the wavelength of f 4.
Preferably, at least one group of the reflection plates four moves to the middle or two sides along the central line of the first high-frequency radiation antenna array until the distance reaches b4, and the absolute value of the difference between b4 and b3 is 0-0.2 times of the wavelength of f 4.
Preferably, a reflecting plate five is arranged in the center of the bottom plate, reflecting surfaces are arranged on two sides of the reflecting plate five, the length of the reflecting surface corresponding to the first low-frequency radiation antenna array is d5, the height of the reflecting surface is h5, d5 is the number of the first low-frequency vibrators multiplied by 1 time of the wavelength of f1, and h5 is 0.08-0.15 time of the wavelength of f 1; the length of the reflecting surface corresponding to the second low-frequency radiation antenna array is d6, the height of the reflecting surface is h6, d6 is the number of the second low-frequency vibrators multiplied by 1 time of the wavelength of f2, and h6 is 0.08-0.15 time of the wavelength of f 2.
Preferably, the distance between the centers of the two adjacent high-frequency oscillators is a3, a3 is 0.7-0.9 times the wavelength of f3, the distance between the centers of the two adjacent high-frequency oscillators is a4, a4 is 0.7-0.9 times the wavelength of f4, the distance between the centers of the two adjacent low-frequency oscillators is a1, a1 is twice a3, the distance between the centers of the two adjacent low-frequency oscillators is a2, and a2 is twice a 4.
Preferably, the first low-frequency oscillator and the second low-frequency oscillator are aluminum alloy die-casting oscillators in a low-frequency ultra-wideband bowl shape; the first high-frequency oscillator and the second high-frequency oscillator are aluminum alloy die-casting oscillators in a high-frequency band ultra-wideband half-wave mode.
The invention has the following beneficial effects: the invention sets up the first, second, first and second high frequency radiation antenna arrays on the bottom plate with first and second reflecting plates separately on both sides at the same time, the multiport aerial can support two low frequencies and two high frequencies at the same time, the aerial has very good isolation index and radiation performance at the same time, the performance is promoted greatly; according to the multi-frequency multi-port antenna, the two low-frequency radiation antenna arrays and the two high-frequency radiation antenna arrays are simultaneously arranged on the multi-port antenna, so that the size and the weight of the multi-frequency multi-port antenna are effectively reduced, and meanwhile, good radiation performance of each array can be ensured; the size and the weight of the antenna are reduced, so that the windward area can be effectively controlled, and great convenience is brought to the installation of the upper tower of the antenna; the application of the multi-frequency and multi-port technology can play a good role in network capacity expansion and improve the experience of mobile network users.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a front view of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
Fig. 3 is a schematic diagram showing an arrangement of a first low frequency oscillator, a second low frequency oscillator, a first high frequency oscillator, a second high frequency oscillator, and reflection plates according to another embodiment of the present invention;
FIG. 4 is a simulated vertical plane pattern of 880MHz, 900, 920, 940 and 960MHz of the f1 band in the embodiment of the present invention shown in FIG. 1;
FIG. 5 is a simulated horizontal plane pattern of 880MHz frequency, 900MHz frequency, 920MHz frequency, 940MHz frequency and 960MHz frequency of the f1 band in the embodiment of the present invention shown in FIG. 1;
FIG. 6 is a simulated vertical plane pattern of 880MHz, 900, 920, 940 and 960MHz frequency of the f2 band in the embodiment of the present invention shown in FIG. 1;
FIG. 7 is a simulated horizontal plane pattern of 880MHz frequency, 900MHz frequency, 920MHz frequency, 940MHz frequency and 960MHz frequency of the f2 band in the embodiment of the present invention shown in FIG. 1;
FIG. 8 is a simulated vertical plane pattern of frequency bands 1710MHz in frequency at f3, 1795MHz in frequency at 1880MHz, 1920MHz in frequency at 2110MHz, and 2170MHz in the embodiment of the invention shown in FIG. 1;
FIG. 9 is a simulated horizontal plane pattern of frequency bands 1710MHz in frequency f3, 1795MHz in frequency, 1880MHz in frequency, 1920MHz in frequency, 2110MHz in frequency, and 2170MHz in the embodiment of the invention shown in FIG. 1;
FIG. 10 is a simulated vertical plane pattern of frequency bands 1710MHz in frequency band f4, 1795MHz in frequency band f4, 1880MHz in frequency band f 1920, 2110MHz in frequency band f 2170MHz in the embodiment of the invention shown in FIG. 1;
FIG. 11 is a simulated horizontal plane pattern of frequency bands 1710MHz in frequency f4, 1795MHz, 1880MHz, 1920MHz, 2110MHz and 2170MHz in the embodiment of the invention shown in FIG. 1;
In the figure: 1. a bottom plate; 21. a first reflection plate; 22. a second reflecting plate; 23. a reflection plate III; 24. a reflection plate IV; 25. fifth reflecting plate; 31. a first low-frequency oscillator; 32. a second low-frequency oscillator; 41. a first high-frequency oscillator; 42. and a high-frequency oscillator II.
Detailed Description
The present invention will now be described in further detail with reference to examples.
The length, width, height and distance units are mm.
The two-low two-high multi-port base station antenna comprises a base plate 1, wherein a first reflecting plate 21 and a second reflecting plate 22 are respectively arranged on two sides of the base plate 1, a first low-frequency radiation antenna array, a second low-frequency radiation antenna array, a first high-frequency radiation antenna array and a second high-frequency radiation antenna array which are parallel or overlapped with each other are arranged on the base plate 1, the first low-frequency radiation antenna array comprises a plurality of first low-frequency vibrators 31, the second low-frequency radiation antenna array comprises a plurality of second low-frequency vibrators 32, the first high-frequency radiation antenna array comprises a plurality of first high-frequency vibrators 41, the second high-frequency radiation antenna array comprises a plurality of second high-frequency vibrators 42, the first low-frequency vibrators 31 and the first high-frequency vibrators 41 are arranged in a straight line and are distributed on the base plate 1 at equal intervals and close to the first reflecting plate 21, and part of the first high-frequency vibrators 41 are embedded in the first low-frequency vibrators 31; the second low-frequency oscillator 32 and the second high-frequency oscillator 42 are arrayed into a straight line and distributed on the bottom plate 1 at equal intervals, the second low-frequency oscillator is close to the second reflecting plate 22, and part of the second high-frequency oscillator 42 is embedded into the second low-frequency oscillator 32. The antenna of the base station with two low frequencies, two high frequencies and multiple ports can simultaneously support two low frequencies and two high frequencies, and has good isolation index and radiation performance, and the performance is greatly improved.
In a specific embodiment, the working frequency band of the first low-frequency radiation antenna array and the second low-frequency radiation antenna array is at least 790-960MHz, and the working frequency band of the first high-frequency radiation antenna array and the second high-frequency radiation antenna array is at least 1710-2690MHz.
In a specific embodiment, the first low-frequency radiating antenna array comprises 5-10 first low-frequency vibrators 31, the second low-frequency radiating antenna array comprises 5-10 second low-frequency vibrators 32, the first high-frequency radiating antenna array comprises 5-10 first high-frequency vibrators 41, and the second high-frequency radiating antenna array comprises 5-10 second high-frequency vibrators 42.
In a specific embodiment, as shown in fig. 1 and3, the number of the first low-frequency oscillator 31, the second low-frequency oscillator 32, the first high-frequency oscillator 41 and/or the second high-frequency oscillator 42 may be appropriately adjusted according to the gain requirements of the low-frequency band and the high-frequency band of the whole antenna.
In a specific embodiment, as shown in fig. 1 and 2, the center frequency of the first low-frequency radiation antenna array is f1, the length of the first reflection plate 21 is equal to the length of the bottom plate 1, d1, h1 and h1 is 0.08-0.15 times the wavelength of f 1; the center frequency of the second low-frequency radiation antenna array is f2, the length of the second reflecting plate 22 is equal to the length of the bottom plate 1, d1, h2 and the wavelength of h2 are 0.08-0.15 times of that of f 2.
In a specific embodiment, as shown in fig. 1 and fig. 2, the center frequency of the first high-frequency radiating antenna array is f3, the two sides of the first high-frequency oscillator 41 are provided with three reflecting plates 23, the length of each reflecting plate 23 is d3, the height of each reflecting plate 23 is h3, d3 is 0.65-0.78 times of the wavelength of f3, and h3 is 0.13-0.22 times of the wavelength of f 3; the distance between each two reflecting plates three 23 is b1, and b1 is 0.65-0.96 times of the wavelength of f 3.
In a specific embodiment, as shown in fig. 1 and 3, at least one group of the reflection plates three 23 is moved to the middle or both sides along the center line of the first high-frequency radiation antenna array to a distance b2, and the absolute value of the difference between b2 and b1 is 0 to 0.2 times the wavelength of f 3.
In a specific embodiment, as shown in fig. 1 and fig. 2, the center frequency of the second high-frequency radiating antenna array is f4, two sides of the second high-frequency oscillator 42 are provided with four reflection plates 24, the length of each reflection plate 24 is d4, the height of each reflection plate 24 is h4, d4 is 0.65-0.78 times of the wavelength of f4, and h4 is 0.13-0.22 times of the wavelength of f 4; the distance between each two reflection plates IV 24 is b3, and b3 is 0.65-0.96 times of the wavelength of f 4.
In a specific embodiment, as shown in fig. 1 and 3, at least one group of reflection plates four 24 is moved to the middle or both sides along the center line of the first high-frequency radiation antenna array until the distance reaches b4, and the absolute value of the difference between b4 and b3 is 0-0.2 times the wavelength of f 4.
In a specific embodiment, as shown in fig. 1 and fig. 2, a fifth reflecting plate 25 is arranged in the center of the bottom plate 1, reflecting surfaces are arranged on two sides of the fifth reflecting plate 25, the length of the reflecting surface corresponding to the first low-frequency radiation antenna array is d5, the height of the reflecting surface is h5, d5 is the number of the first low-frequency vibrators 31 multiplied by 1 time of the wavelength of f1, and h5 is 0.08-0.15 time of the wavelength of f 1; the length of the reflecting surface corresponding to the second low-frequency radiation antenna array is d6, the height is h6, d6 is 1 time wavelength of f2 multiplied by the number of the second low-frequency vibrators 32, and h6 is 0.08-0.15 time wavelength of f 2. In a specific embodiment, the fifth reflecting plate 25 may be made of an aluminum alloy, and according to specific gain requirements, the fifth reflecting plate may be made of an aluminum alloy directly without treatment, or may be coated with a non-reflective material on an unnecessary portion, so that the length and the height of the reflecting surface may meet the requirements, as shown in fig. 2, in the reflecting surface corresponding to the fifth reflecting plate 25 and the low-frequency radiation antenna array, a portion with a mark height h5 or more may be coated with the non-reflective material.
In a specific embodiment, as shown in fig. 1, the distance between the centers of two adjacent high-frequency oscillators 41 is a3, a3 is 0.7-0.9 times the wavelength of f3, the distance between the centers of two adjacent high-frequency oscillators 42 is a4, a4 is 0.7-0.9 times the wavelength of f4, the distance between the centers of two adjacent low-frequency oscillators 31 is a1, a1 is twice the distance of a3, and the distance between the centers of two adjacent low-frequency oscillators 32 is a2, a2 is twice the distance of a 4.
In a specific embodiment, the first low-frequency vibrator 31 and the second low-frequency vibrator 32 are aluminum alloy die-cast vibrators in a low-frequency ultra-wideband bowl shape; the first high-frequency vibrator 41 and the second high-frequency vibrator 42 are aluminum alloy die-casting vibrators in a high-frequency ultra-wideband half-wave mode.
As can be seen from fig. 4 to 11, the vertical plane and horizontal plane patterns of typical frequencies in the high-low frequency band of the antenna according to the embodiment of the present invention have better performance, and are ideal base station antenna solutions with higher practical value.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (3)
1. The utility model provides a two low two high multiport basic station antennas, includes bottom plate (1), the both sides of bottom plate (1) are equipped with reflecting plate one (21) and reflecting plate two (22) respectively, its characterized in that: the base plate (1) is provided with a first low-frequency radiation antenna array, a second low-frequency radiation antenna array, a first high-frequency radiation antenna array and a second high-frequency radiation antenna array which are parallel or overlapped with each other, the first low-frequency radiation antenna array comprises a plurality of first low-frequency vibrators (31), the second low-frequency radiation antenna array comprises a plurality of second low-frequency vibrators (32), the first high-frequency radiation antenna array comprises a plurality of first high-frequency vibrators (41), the second high-frequency radiation antenna array comprises a plurality of second high-frequency vibrators (42), the first low-frequency vibrators (31) and the first high-frequency vibrators (41) are distributed on the base plate (1) in a straight line at equal intervals and close to the first reflecting plate (21), and part of the first high-frequency vibrators (41) are embedded in the first low-frequency vibrators (31); the low-frequency vibrators II (32) and the high-frequency vibrators II (42) are arrayed into a straight line and distributed on the bottom plate (1) at equal intervals, the low-frequency vibrators II (32) are close to the reflecting plate II (22), part of the high-frequency vibrators II (42) are embedded into the low-frequency vibrators II (32), the center frequency of the low-frequency radiation antenna array I is f1, the length of the reflecting plate I (21) is equal to the length of the bottom plate (1), d1, the height is h1, and the h1 is 0.08-0.15 time of the wavelength of the f 1; the center frequency of the second low-frequency radiation antenna array is f2, the length of the second reflecting plate (22) is equal to the length of the bottom plate (1), d1 is d2, h2 is 0.08-0.15 times of the wavelength of f2,
The center frequency of the first high-frequency radiation antenna array is f3, the two sides of at least one first high-frequency vibrator (41) are provided with three reflecting plates (23), the length of each three reflecting plate (23) is d3, the height of each reflecting plate is h3, d3 is 0.65-0.78 times of the wavelength of f3, and h3 is 0.13-0.22 times of the wavelength of f 3; the distance between each two reflecting plates III (23) is b1, b1 is 0.65-0.96 times of the wavelength of f3,
At least one group of the reflecting plates III (23) moves to the middle or two sides along the central line of the first high-frequency radiation antenna array until the distance reaches b2, the absolute value of the difference between b2 and b1 is 0-0.2 times of the wavelength of f3,
The center frequency of the second high-frequency radiation antenna array is f4, reflection plates IV (24) are arranged on two sides of at least one second high-frequency vibrator (42), the length of each reflection plate IV (24) is d4, the height of each reflection plate IV is h4, d4 is 0.65-0.78 times of the wavelength of f4, and h4 is 0.13-0.22 times of the wavelength of f 4; the distance between each two reflection plates IV (24) is b3, b3 is 0.65-0.96 times of the wavelength of f4,
At least one group of the reflection plates IV (24) moves to the middle or two sides along the central line of the first high-frequency radiation antenna array to reach a distance b4, the absolute value of the difference value between b4 and b3 is 0-0.2 times of the wavelength of f4,
The center of the bottom plate (1) is provided with a fifth reflecting plate (25), both sides of the fifth reflecting plate (25) are provided with reflecting surfaces, the length of the reflecting surfaces corresponding to the first low-frequency radiation antenna array is d5, the height of the reflecting surfaces is h5, d5 is the number of the first low-frequency vibrators (31) multiplied by 1 time of the wavelength of f1, and h5 is 0.08-0.15 time of the wavelength of f 1; the length of the reflecting surface corresponding to the second low-frequency radiation antenna array is d6, the height is h6, d6 is the number of the second low-frequency vibrators (32) multiplied by 1 time of the wavelength of f2, h6 is 0.08-0.15 time of the wavelength of f2,
The distance between the centers of two adjacent high-frequency vibrators one (41) is a3, a3 is 0.7-0.9 times of the wavelength of f3, the distance between the centers of two adjacent high-frequency vibrators two (42) is a4, a4 is 0.7-0.9 times of the wavelength of f4, the distance between the centers of two adjacent low-frequency vibrators one (31) is a1, a1 is twice as large as a3, the distance between the centers of two adjacent low-frequency vibrators two (32) is a2, and a2 is twice as large as a 4.
2. The two-low two-high multiport base station antenna of claim 1, wherein: the first low-frequency radiation antenna array comprises 5-10 first low-frequency vibrators (31), the second low-frequency radiation antenna array comprises 5-10 second low-frequency vibrators (32), the first high-frequency radiation antenna array comprises 5-10 first high-frequency vibrators (41), and the second high-frequency radiation antenna array comprises 5-10 second high-frequency vibrators (42).
3. The two-low two-high multiport base station antenna of claim 1, wherein: the first low-frequency oscillator (31) and the second low-frequency oscillator (32) are aluminum alloy die-casting oscillators in a low-frequency ultra-wideband bowl shape; the first high-frequency oscillator (41) and the second high-frequency oscillator (42) are aluminum alloy die-casting oscillators in a high-frequency ultra-wideband half-wave mode.
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| CN111613903B (en) * | 2020-06-16 | 2021-12-24 | 江苏泰科微通讯科技有限公司 | Three-low four-high multiport base station antenna |
| CN112909501B (en) * | 2021-01-26 | 2024-05-28 | 江苏泰科微通讯科技有限公司 | Multi-frequency multi-system fusion multi-port base station antenna |
| CN115275642A (en) * | 2021-04-30 | 2022-11-01 | 华为技术有限公司 | Antenna Arrays, Antenna Modules and Electronics |
| CN113823897B (en) * | 2021-09-22 | 2023-10-24 | 中信科移动通信技术股份有限公司 | Two-low four-high multiport base station antenna |
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| CN208385638U (en) * | 2018-06-27 | 2019-01-15 | 江苏捷士通射频系统有限公司 | The multifrequency antenna for base station of high and low frequency combination |
| CN210092365U (en) * | 2019-09-02 | 2020-02-18 | 江苏泰科微通讯科技有限公司 | Two low two high multiport base station antennas |
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| CN206893792U (en) * | 2017-06-28 | 2018-01-16 | 广州杰赛科技股份有限公司 | Multichannel antenna for base station |
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| CN208385638U (en) * | 2018-06-27 | 2019-01-15 | 江苏捷士通射频系统有限公司 | The multifrequency antenna for base station of high and low frequency combination |
| CN210092365U (en) * | 2019-09-02 | 2020-02-18 | 江苏泰科微通讯科技有限公司 | Two low two high multiport base station antennas |
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