CN111029751A - A miniaturized one-low four-high ultra-wideband multi-port base station antenna - Google Patents
A miniaturized one-low four-high ultra-wideband multi-port base station antenna Download PDFInfo
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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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- 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
- 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
- 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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Abstract
本发明属于基站天线技术领域，具体涉及一种小型化一低四高超宽频多端口基站天线，包括底板，底板两侧分别设有反射板一和反射板二，底板上设有彼此平行的低频辐射天线阵列、高频辐射天线阵列一、高频辐射天线阵列二、高频辐射天线阵列三和高频辐射天线阵列四，各阵列分别包括若干个等距阵列成一条直线的低频振子、高频振子一、高频振子二、高频振子三和高频振子四；低频辐射天线阵列居中设置在底板上；高频辐射天线阵列一和高频辐射天线阵列二成一条直线，形成第一阵列，第一阵列设置在低频辐射天线阵列和反射板一之间，高频辐射天线阵列三和高频辐射天线阵列四成一条直线，形成第二阵列，第二阵列设置在低频辐射天线阵列和反射板二之间。
The invention belongs to the technical field of base station antennas, and in particular relates to a miniaturized one-low, four-high, and ultra-wide-band multi-port base station antenna, comprising a base plate, two sides of the base plate are respectively provided with reflector plate 1 and reflector plate 2, and low-frequency radiation parallel to each other is arranged on the base plate. Antenna array, high-frequency radiating antenna array 1, high-frequency radiating antenna array 2, high-frequency radiating antenna array 3 and high-frequency radiating antenna array 4, each array respectively includes a number of low-frequency oscillators and high-frequency oscillators arrayed at equal distances in a straight line 1. High-frequency vibrator 2, high-frequency vibrator 3 and high-frequency vibrator 4; the low-frequency radiating antenna array is centrally arranged on the base plate; The first array is arranged between the low frequency radiating antenna array and the reflector one, the high frequency radiating antenna array 3 and the high frequency radiating antenna array 4 are in a straight line to form a second array, and the second array is arranged between the low frequency radiating antenna array and the second reflector between.
Description
Technical Field
The invention belongs to the technical field of base station antennas, and particularly relates to a miniaturized one-low-four-high ultra-wideband multi-port base station antenna.
Background
In recent years, with the rapid development of global wireless communication technology, the demand for wireless communication has been increasing. At present, two LTE systems exist in China, namely TDD LTE and FDD LTE. With the development of LTE network construction, the hybrid networking mode is a future networking mode of three operators in China. In the background of hybrid networking, increasing frequency bands inevitably leads to the problems of more and more complex antenna feed systems, difficult antenna deployment and the like. Therefore, domestic operators want to use multiple systems to share stations and multiple systems to share antennas to realize fast network establishment.
At present, due to the special requirements of ultra-wideband radio communication, higher requirements are put on antenna theory and implementation technology. Electrical performance criteria such as input impedance matching, gain, lobe width, side lobe level, and directional coefficient are becoming more demanding. The ultra-wideband base station antenna needs to maintain low standing waves and stable directional patterns in an ultra-wideband, which makes the design level requirements of the ultra-wideband antenna more strict. How to design a miniaturized and cost-effective ultra-wideband base station antenna has become the focus of the base station antenna research at present.
The ultra-wideband antenna makes multi-system co-station and multi-system co-antenna possible, which also solves the problem of difficult site selection of the base station for operators and can reduce the cost at the same time. Therefore, under the background, a compact miniaturized one-low four-high ultra-wideband multi-port base station antenna is provided, which is beneficial to realizing communication capacity expansion and improving communication quality, adapts to the data traffic of future LTE surge, and meets the requirements of operators on ultra-wideband antennas.
Disclosure of Invention
The invention discloses a miniaturized one-low four-high ultra-wideband multiport base station antenna, which is characterized in that a low-frequency radiation antenna array is arranged in the middle of a bottom plate, two sides of the bottom plate are respectively provided with a first reflecting plate and a second reflecting plate, a first array formed by a high-frequency radiation antenna array I and a high-frequency radiation antenna array II and a second array formed by a high-frequency radiation antenna array III and a high-frequency radiation antenna array IV are respectively arranged between the low-frequency radiation antenna array and the first reflecting plate and between the low-frequency radiation antenna array and the second reflecting plate, and the antenna can simultaneously support one low frequency and four high frequencies, so that the antenna is in line with the design trend of compact miniaturization and saving, the frequency spectrum utilization rate of the antenna is improved, and the antenna has good directional diagram coverage performance.
In order to achieve the purpose, the invention adopts the following technical scheme:
a miniaturized one-low-four-high ultra-wideband multiport base station antenna comprises a bottom plate, wherein a first reflecting plate and a second reflecting plate are respectively arranged on two sides of the bottom plate, a low-frequency radiation antenna array, a first high-frequency radiation antenna array, a second high-frequency radiation antenna array, a third high-frequency radiation antenna array and a fourth high-frequency radiation antenna array which are parallel to each other are arranged on the bottom plate, and the low-frequency radiation antenna array, the first high-frequency radiation antenna array, the second high-frequency radiation antenna array, the third high-frequency radiation antenna array and the fourth high-frequency radiation antenna array respectively comprise a plurality of low-frequency oscillators, first high-frequency oscillators, second high-frequency oscillators; the low-frequency radiation antenna array is arranged on the bottom plate in the middle; the first high-frequency radiation antenna array and the second high-frequency radiation antenna array are located on a straight line to form a first array, the first array is arranged between the low-frequency radiation antenna array and the first reflecting plate, the third high-frequency radiation antenna array and the fourth high-frequency radiation antenna array are located on a straight line to form a second array, and the second array is arranged between the low-frequency radiation antenna array and the second reflecting plate.
Preferably, the low-frequency radiation antenna array includes 10 to 15 low-frequency elements, the first high-frequency radiation antenna array includes 10 to 20 first high-frequency elements, the second high-frequency radiation antenna array includes 10 to 20 second high-frequency elements, the third high-frequency radiation antenna array includes 10 to 20 third high-frequency elements, and the fourth high-frequency radiation antenna array includes 10 to 20 fourth high-frequency elements.
Preferably, short isolating bars are arranged between the low-frequency oscillators, long isolating bars I are arranged on two sides of the first array and the second array, long isolating bars II are arranged between the low-frequency radiation antenna array and the adjacent long isolating bars I, and U-shaped isolating pieces are arranged on two sides of part of the high-frequency oscillators I, two sides of part of the high-frequency oscillators II, two sides of part of the high-frequency oscillators III and two sides of part of the high-frequency oscillators IV.
Preferably, the top of each of the first high-frequency oscillator, the second high-frequency oscillator, the third high-frequency oscillator and the fourth high-frequency oscillator is provided with a circular guiding sheet, and the vertical distance from the guiding sheet to the oscillator is half of the height of the oscillator.
Preferably, the second long isolation bar protrudes upward at a position corresponding to the oscillator arm of the low-frequency oscillator to form a first convex plate.
Preferably, the center frequencies of the low-frequency radiation antenna array, the high-frequency radiation antenna array i, the high-frequency radiation antenna array ii, the high-frequency radiation antenna array iii and the high-frequency antenna array iv are respectively f1, f2, f3, f4 and f5, the working frequency band of the low-frequency radiation antenna array is 690MHz-960MHz, and the working frequency bands of the high-frequency radiation antenna array i, the high-frequency radiation antenna array ii, the high-frequency radiation antenna array iii and the high-frequency antenna array iv are 1710MHz-2700 MHz.
Preferably, the first reflection plate and the second reflection plate are protruded upwards at positions corresponding to the oscillator arms of part of the low-frequency oscillators to form a second convex plate, the height of the second convex plate is larger than that of the first convex plate, the length of the second convex plate is L1, and the L1 is 0.5-0.6 times of the wavelength of f 1.
Preferably, the distance between the centers of the low-frequency vibrators is d1, and the d1 is 0.65-0.7 times the wavelength of f 1.
Preferably, the distance between the centers of the first high-frequency oscillators is d2, d2 is 0.8 to 0.95 times the wavelength, the distance between the centers of the second high-frequency oscillators is d3, d3 is 0.8 to 0.95 times the wavelength, the distance between the centers of the third high-frequency oscillators is d4, d4 is 0.8 to 0.95 times the wavelength, the distance between the centers of the fourth high-frequency oscillators is d5, and d5 is 0.8 to 0.95 times the wavelength.
Preferably, the vertical distances from the center of the low-frequency radiation antenna array to the centers of the first array and the second array are d6, and the d6 is 0.6-0.65 times the wavelength of f2, f3, f4 or f 5.
The invention has the following beneficial effects:
(1) according to the one-low-four-high ultra-wideband multi-port base station antenna, the low-frequency radiation antenna array is arranged in the middle on the bottom plate with the first reflecting plate and the second reflecting plate on two sides respectively, the first array consisting of the high-frequency radiation antenna array I and the high-frequency radiation antenna array II and the second array consisting of the high-frequency radiation antenna array III and the high-frequency radiation antenna array IV are arranged between the low-frequency radiation antenna array and the first reflecting plate and between the low-frequency radiation antenna array and the second reflecting plate respectively, so that the frequency spectrum utilization rate of the antenna is improved, and meanwhile, the antenna has good directional diagram;
(2) the low-four-high ultra-wideband multi-port base station antenna greatly saves the antenna space and the material cost from the internal structure of the antenna, has the characteristics of compactness and miniaturization, reduces the antenna cost, has ultra-wideband and good electrical performance, and can meet the market demand;
(3) according to the invention, from the aspect of antenna performance optimization, the isolation strips are arranged on two sides of the low-frequency array and two sides of the high-frequency array, so that the boundary effect between antenna arrays can be effectively reduced, the mutual coupling between the high-frequency array and the low-frequency array is reduced, the continuity, reliability and stability of an antenna network are improved, and the front-to-back ratio index of the antenna can be effectively improved by arranging the convex plates.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a right side view of the present invention;
FIG. 4 is a bottom view (omitted view) of the present invention;
FIG. 5 is a simulated horizontal plane pattern for antennas 698MHz, 790MHz, and 920MHz of the present invention;
FIG. 6 is a simulated vertical plane pattern of the antennas 698MHz, 790MHz, and 920MHz of the present invention;
FIG. 7 is simulated horizontal plane patterns for 2040MHz, 2400MHz, and 2690MHz antennas of the present invention;
FIG. 8 is a simulated vertical plane pattern of 2040MHz, 2400MHz, and 2690MHz antennas of the present invention;
in the figure: 1. a base plate; 21. a first reflecting plate; 22. a second reflecting plate; 23. a convex plate II; 3. a low-frequency oscillator; 41. a first high-frequency oscillator; 42. a high-frequency oscillator II; 43. a high-frequency oscillator III; 44. a high-frequency oscillator IV; 51. short spacer bars; 52. a U-shaped spacer; 61. a first long isolating strip; 62. a second long isolating strip; 7. to the sheet.
Detailed Description
The present invention will now be described in further detail with reference to examples.
A miniaturized one-low four-high ultra-wideband multiport base station antenna is shown in figure 1 and comprises a bottom plate 1, wherein a first reflecting plate 21 and a second reflecting plate 22 are respectively arranged on two sides of the bottom plate 1, a low-frequency radiation antenna array, a high-frequency radiation antenna array I, a high-frequency radiation antenna array II, a high-frequency radiation antenna array III and a high-frequency radiation antenna array IV which are parallel to each other are arranged on the bottom plate 1, and the low-frequency radiation antenna array, the high-frequency radiation antenna array I, the high-frequency radiation antenna array II, the high-frequency radiation antenna array III and the high-frequency radiation antenna array IV respectively comprise a plurality of low-frequency oscillators 3, high-frequency oscillators 41, high-frequency oscillators 42, high; the low-frequency radiation antenna array is arranged on the bottom plate 1 in the middle; the first high-frequency radiation antenna array and the second high-frequency radiation antenna array are located on a straight line to form a first array, the first array is arranged between the low-frequency radiation antenna array and the first reflecting plate 21, the third high-frequency radiation antenna array and the fourth high-frequency radiation antenna array are located on a straight line to form a second array, and the second array is arranged between the low-frequency radiation antenna array and the second reflecting plate 22.
In a specific embodiment, the low-frequency radiation antenna array comprises 10-15 low-frequency elements 3, the high-frequency radiation antenna array I comprises 10-20 high-frequency elements I41, the high-frequency radiation antenna array II comprises 10-20 high-frequency elements II 42, the high-frequency radiation antenna array III comprises 10-20 high-frequency elements III 43, and the high-frequency radiation antenna array IV comprises 10-20 high-frequency elements IV 44. In a specific embodiment, the specific number of the elements depends on the antenna gain requirements of the low frequency band and the high frequency band of the whole antenna.
In a specific embodiment, as shown in fig. 1-3, short spacers 51 are disposed between the low-frequency oscillators 3, long spacers 61 are disposed on both sides of the first array and the second array, long spacers 62 are disposed between the low-frequency radiating antenna array and the adjacent long spacers 61, and u-shaped spacers 52 are disposed on both sides of a portion of the high-frequency oscillators 41, both sides of a portion of the high-frequency oscillators 42, both sides of a portion of the high-frequency oscillators 43, and both sides of a portion of the high-frequency oscillators 44. The arrangement of the short isolating strips 51 and the long isolating strips 62 can effectively reduce the boundary effect between antenna arrays and reduce the mutual coupling between a high-frequency array and a low-frequency array, so that the continuity, reliability and stability of the antenna network are improved. By adjusting the distance between the first long isolating strip 61 and the high-frequency radiating array, the wave width of the antenna can be correspondingly adjusted, so that the continuity, reliability and stability of the antenna network are improved, and in a specific embodiment, the distance between the first long isolating strip 61 and the center of the first array and the distance between the first long isolating strip 61 and the center of the second array are 45-50 mm. In addition, the distance between the U-shaped isolating piece 52 and the high-frequency oscillator can be adjusted to adjust the isolation of the high-frequency radiation array, and in the specific embodiment, the distance between the U-shaped isolating piece 52 and the center of the high-frequency oscillator is 0.4-0.6 times of the wavelength of the high-frequency center frequency. In particular embodiments, the placement, length, and height of the various spacer bars and spacers may be determined by commissioning.
In a specific embodiment, as shown in fig. 1, the top parts of the first high-frequency oscillator 41, the second high-frequency oscillator 42, the third high-frequency oscillator 43 and the fourth high-frequency oscillator 44 are all provided with the guide sheet 7, the guide sheet 7 is circular, and the vertical distance from the guide sheet 7 to the oscillators is half of the height of the oscillators. The arrangement of the guide sheet 7 and the U-shaped isolating piece 52 can greatly reduce the standing wave of the high-frequency radiating array and improve the isolation of the high-frequency radiating array, and the electric indexes of low standing wave and high isolation of the ultra-wide-band antenna are met, so that the electric performance index of the high-frequency radiating unit is effectively improved, and the integral electric performance of the antenna is improved.
In a specific embodiment, as shown in fig. 1, the second long spacer 62 protrudes upward at a position corresponding to the oscillator arm of the low frequency oscillator 3 to form a first protruding plate 621. The arrangement of the first convex plate 621 can effectively improve the front-to-back ratio index of the antenna and improve the radiation performance of the low-frequency radiation array.
In a specific embodiment, the center frequencies of the low-frequency radiation antenna array, the high-frequency radiation antenna array i, the high-frequency radiation antenna array ii, the high-frequency radiation antenna array iii and the high-frequency antenna array iv are respectively f1, f2, f3, f4 and f5, the operating frequency band of the low-frequency radiation antenna array is 690MHz-960MHz, and the operating frequency bands of the high-frequency radiation antenna array i, the high-frequency radiation antenna array ii, the high-frequency radiation antenna array iii and the high-frequency antenna array iv are 1710MHz-2700 MHz.
In a specific embodiment, as shown in fig. 4, the first and second reflection plates 21 and 22 are protruded upward at positions corresponding to the oscillator arms of the partial low frequency oscillator 3 to form a second convex plate 23, the height of the second convex plate 23 is greater than that of the first convex plate 621, the length of the second convex plate 23 is L1, and L1 is 0.25-0.5 times the wavelength of f 1.
In a specific embodiment, as shown in fig. 2, the distance between the centers of the low frequency vibrators 3 is d1, and d1 is 0.65-0.7 times the wavelength of f 1.
In a specific embodiment, as shown in fig. 2, the distance between the centers of the first high frequency vibrators 41 is d2, the distance between d2 is 0.8-0.95 times the wavelength, the distance between the centers of the second high frequency vibrators 42 is d3, the distance between d3 is 0.8-0.95 times the wavelength, the distance between the centers of the third high frequency vibrators 43 is d4, the distance between d4 is 0.8-0.95 times the wavelength, the distance between the centers of the fourth high frequency vibrators 44 is d5, and the distance between d5 is 0.8-0.95 times the wavelength.
In a specific embodiment, as shown in fig. 2, the vertical distances from the center of the low frequency radiating antenna array to the centers of the first array and the second array are both d6, and d6 is 0.6-0.65 times the wavelength of f2, f3, f4 or f 5. In a specific embodiment, d6 is 85-90 mm.
In a specific embodiment, the length of the bottom plate 1 may be 2600-450 mm, the width thereof may be 340-450mm, the lengths of the first and second reflective plates 21 and 22 are equal to the length of the bottom plate 1, the length of the short isolation bar 51 may be 190-200mm, the length of the first long isolation bar 61 may be 2000-2300mm, the length of the second long isolation bar 62 may be 2000-2200mm, and the length of the U-shaped isolation member 52 may be 70-90 mm.
In a specific embodiment, the low-frequency oscillator is a low-frequency-band ultra-wide-band cross-shaped aluminum alloy die-cast oscillator, and the high-frequency oscillator is a high-frequency-band ultra-wide-band half-wave metal die-cast oscillator. The low-frequency oscillator and the high-frequency oscillator in the form have the characteristics of wide frequency band, good impedance matching, small loss and the like, and can reduce the standing-wave ratio.
As can be seen from fig. 5 to 8, the antenna in the embodiment of the present invention has superior vertical and horizontal plane pattern performance, and is an ideal and practical solution for the base station antenna.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The utility model provides a miniaturized one hangs down four high ultra-wideband multiport base 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 high-frequency radiating antenna comprises a bottom plate (1), a high-frequency radiating antenna array I, a high-frequency radiating antenna array II, a high-frequency radiating antenna array III and a high-frequency radiating antenna array IV, wherein the bottom plate (1) is provided with a low-frequency radiating antenna array, a high-frequency radiating antenna array I, a high-frequency radiating antenna array II, a high-frequency radiating antenna array III and a high-frequency radiating antenna array IV which are parallel to each other, and the low-frequency radiating antenna array, the high-frequency radiating antenna array I, the high-frequency radiating antenna array II, the high-frequency radiating antenna array III and the high-; the low-frequency radiation antenna array is arranged on the bottom plate (1) in the middle; the first high-frequency radiation antenna array and the second high-frequency radiation antenna array are located on the same straight line to form a first array, the first array is arranged between the low-frequency radiation antenna array and the first reflecting plate (21), the third high-frequency radiation antenna array and the fourth high-frequency radiation antenna array are located on the same straight line to form a second array, and the second array is arranged between the low-frequency radiation antenna array and the second reflecting plate (22).
2. The miniaturized, low-four high ultra-wideband multi-port base station antenna of claim 1, wherein: the low-frequency radiation antenna array comprises 10-15 low-frequency elements (3), the high-frequency radiation antenna array I comprises 10-20 high-frequency elements I (41), the high-frequency radiation antenna array II comprises 10-20 high-frequency elements II (42), the high-frequency radiation antenna array III comprises 10-20 high-frequency elements III (43), and the high-frequency radiation antenna array IV comprises 10-20 high-frequency elements IV (44).
3. The miniaturized, low-four high ultra-wideband multi-port base station antenna of claim 1, wherein: short isolating bars (51) are arranged between the low-frequency oscillators (3), long isolating bars I (61) are arranged on two sides of the first array and the second array, long isolating bars II (62) are arranged between the low-frequency radiation antenna array and the adjacent long isolating bars I (61), and U-shaped isolating pieces (52) are arranged on two sides of a part of the high-frequency oscillators I (41), two sides of a part of the high-frequency oscillators II (42), two sides of a part of the high-frequency oscillators III (43) and two sides of a part of the high-frequency oscillators IV (44).
4. The miniaturized, low-four high ultra-wideband multi-port base station antenna of claim 3, wherein: the top of the high-frequency oscillator I (41), the top of the high-frequency oscillator II (42), the top of the high-frequency oscillator III (43) and the top of the high-frequency oscillator IV (44) are respectively provided with a guide piece (7), the guide pieces (7) are circular, and the vertical distance from the guide pieces (7) to the oscillators is half of the height of the oscillators.
5. The miniaturized, low-four high ultra-wideband multi-port base station antenna of claim 3, wherein: and the second long isolating strip (62) protrudes upwards at a position corresponding to the vibrator arm of the low-frequency vibrator (3) to form a first convex plate (621).
6. The miniaturized, low-four high ultra-wideband multi-port base station antenna of claim 1, wherein: the central frequency of the low-frequency radiation antenna array, the high-frequency radiation antenna array I, the high-frequency radiation antenna array II, the high-frequency radiation antenna array III and the high-frequency antenna array IV is respectively f1, f2, f3, f4 and f5, the working frequency range of the low-frequency radiation antenna array is 690MHz-960MHz, and the working frequency range of the high-frequency radiation antenna array I, the high-frequency radiation antenna array II, the high-frequency radiation antenna array III and the high-frequency antenna array IV is 1710MHz-2700 MHz.
7. The miniaturized, low-four high ultra-wideband multi-port base station antenna of claim 6, wherein: the first reflecting plate (21) and the second reflecting plate (22) are protruded upwards at positions corresponding to the oscillator arms of part of the low-frequency oscillators (3) to form a second convex plate (23), the height of the second convex plate (23) is larger than that of the first convex plate (621), the length of the second convex plate (23) is L1, and L1 is 0.5-0.6 times of the wavelength of f 1.
8. The miniaturized, low-four high ultra-wideband multi-port base station antenna of claim 6, wherein: the distance between the vibrator centers of the low-frequency vibrators (3) is d1, and the d1 is 0.65-0.7 times the wavelength of f 1.
9. The miniaturized, low-four high ultra-wideband multi-port base station antenna of claim 6, wherein: the distance between the centers of the first high-frequency vibrators (41) is d2, d2 is 0.8-0.95 times of wavelength, the distance between the centers of the second high-frequency vibrators (42) is d3, d3 is 0.8-0.95 times of wavelength, the distance between the centers of the third high-frequency vibrators (43) is d4, d4 is 0.8-0.95 times of wavelength, the distance between the centers of the fourth high-frequency vibrators (44) is d5, and d5 is 0.8-0.95 times of wavelength.
10. The miniaturized, low-four high ultra-wideband multi-port base station antenna of claim 6, wherein: the vertical distances from the center of the low-frequency radiation antenna array to the centers of the first array and the second array are both d6, and the d6 is 0.6-0.65 times the wavelength of f2, f3, f4 or f 5.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111555031A (en) * | 2020-06-02 | 2020-08-18 | 江苏泰科微通讯科技有限公司 | Compact two-low four-high ultra-wideband multi-port base station antenna |
| CN111564688A (en) * | 2020-06-16 | 2020-08-21 | 江苏泰科微通讯科技有限公司 | High-gain multi-port base station antenna based on four-column low frequency |
| CN112864626A (en) * | 2020-12-31 | 2021-05-28 | 京信通信技术(广州)有限公司 | Base station, multi-frequency antenna and boundary conditions thereof |
| CN113629382A (en) * | 2021-07-29 | 2021-11-09 | 中信科移动通信技术股份有限公司 | Multiport base station antenna |
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