CN104966908A - Vertical polarization dielectric resonator base station antenna - Google Patents
Vertical polarization dielectric resonator base station antenna Download PDFInfo
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- CN104966908A CN104966908A CN201510376354.0A CN201510376354A CN104966908A CN 104966908 A CN104966908 A CN 104966908A CN 201510376354 A CN201510376354 A CN 201510376354A CN 104966908 A CN104966908 A CN 104966908A
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- 230000010287 polarization Effects 0.000 title claims abstract description 24
- 239000002184 metal Substances 0.000 claims abstract description 81
- 230000008878 coupling Effects 0.000 claims description 14
- 238000010168 coupling process Methods 0.000 claims description 14
- 238000005859 coupling reaction Methods 0.000 claims description 14
- 230000003071 parasitic effect Effects 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 230000005855 radiation Effects 0.000 abstract description 3
- 238000004891 communication Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 2
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 1
- 229930006000 Sucrose Natural products 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The invention discloses a vertical polarization dielectric resonator base station antenna which has the advantages of small size, simple structure, wide bandwidth, high radiation efficiency, high gain, stable radiation direction pattern, high polarization purity and the like. The problems of the prior art are solved. The vertical polarization dielectric resonator base station antenna comprises a rectangular dielectric resonator, an antenna circuit board, metal patch dielectric plates, a first loading metal patch and a second loading metal patch. The rectangular dielectric resonator is arranged above the antenna circuit board. The first loading metal patch is arranged above the rectangular dielectric resonator. The second loading metal patch is arranged below the antenna circuit board. The rectangular dielectric resonator and two loading metal patches are arranged with spacing. The first loading metal patch and the second loading metal patch are respectively patched on a corresponding metal patch dielectric plate.
Description
Technical field
The present invention relates to a kind of miniaturized medium resonator antenna unit being applicable to FDD-LTE, WCDMA communication system.
Technical field
Along with the continuous maturation of FDD-LTE technology and country are to the granting of FDD-LTE licence plate, China Mobile's industry starts to enter comprehensive 4G epoch since then.Antenna is as one of most crucial parts of wireless communication system, and the quality of its performance directly has influence on whole communication network quality and Consumer's Experience.The method of the miniaturized antenna for base station design of current realization mainly contains two kinds: the first for use apex drive element antenna, the second is use the micro-strip paster antenna improved.The first feed structure and oscillator structure are comparatively complicated, and difficulty of processing is large.The second bandwidth is less, is difficult to meet cover multiple communications band requirement simultaneously.
Summary of the invention
The invention provides a kind of perpendicular polarization dielectric resonator antenna for base station, there is miniaturization, high-gain, wide bandwidth a little.
To achieve these goals, the technical solution used in the present invention is as follows:
A kind of perpendicular polarization dielectric resonator antenna for base station, comprises Rectangular Enclosure with Participating Media resonator, antenna circuit board, metal patch dielectric-slab, the first metal-loaded paster and the second metal-loaded paster; Described Rectangular Enclosure with Participating Media resonator is arranged on above described antenna circuit board, and described first metal-loaded paster is arranged on above described Rectangular Enclosure with Participating Media resonator, and described second metal-loaded paster is arranged on below described antenna circuit board; Described Rectangular Enclosure with Participating Media resonator and two metal-loaded pasters and between all leave spacing, described first metal-loaded paster and the second metal-loaded paster are attached on corresponding metal patch dielectric-slab respectively.
Further, described antenna circuit back is provided with microstrip feed line, and described antenna circuit board also offers rectangle coupling slot, and described Rectangular Enclosure with Participating Media resonator is positioned at directly over rectangle coupling slot;
Further, described rectangle coupling slot is mutually vertical with described microstrip feed line, and described microstrip feed line and rectangle coupling slot are all positioned at the medium position of antenna circuit board, and one end of described microstrip feed line is connected with antenna rf joint.
Further, under use micro-band-cutler feed structure, described dielectric resonator is main radiator, and described first metal-loaded paster and the second metal-loaded paster are parasitic radiator.
Further, be lg=67mm ≈ 0.44 λ for pasting the described metal patch dielectric-slab width of the second metal-loaded paster
0; Described first metal-loaded patch width wp=44mm ≈ 0.29 λ
0; Described second metal-loaded patch width lp=65mm ≈ 0.42 λ
0; Wherein, λ
0represent center frequency wavelength.
Further, the spacing between described second metal-loaded paster and described antenna circuit board is h
1=12m; Distance between described Rectangular Enclosure with Participating Media resonator upper surface and the first metal-loaded paster lower surface is h
2=6mm.
Further, described Rectangular Enclosure with Participating Media resonator relative dielectric constant is 12, its long a, wide b, and high h size meets following relation:
a=b=21mm、h=12mm；
Dielectric-slab and the described metal patch dielectric-slab of described antenna circuit board all adopt high frequency sheet material FR4, thickness 1.6mm, and relative dielectric constant is 3.38.
Further, also comprise antenna structure frame, described antenna structure frame comprises support column and bracing frame, support frame as described above is hollow-core construction, support frame as described above upper surface and lower surface are all fixed with support column, support frame as described above side is also provided with clamp, and be provided with described antenna rf joint in described clamp, described antenna circuit board is positioned at support frame as described above inside.
Further, the thickness of support frame as described above is 4.6mm, and width is lg=67mm ≈ 0.44 λ
0.
Further, the upper surface of support frame as described above, antenna circuit board, metal patch dielectric-slab, the first metal-loaded paster and the second metal-loaded paster and lower surface are all square.
The present invention compared with prior art, has the following advantages:
(1) volume of the present invention accomplishes miniaturization, be convenient to integrated, the scope of application is wider;
(2) the present invention adopts dielectric resonance to be radiating principal, does not have surface wave loss and self dielectric loss is little, reduces ohmic loss;
(3) the present invention take dielectric resonator as main radiator, and metal-loaded paster is parasitic radiator, and relative bandwidth is wider, and contain the main frequency range of domestic FDD-LTE, WCDMA communication system, practicality is stronger;
(4) gain of the present invention is high, and swept area is wider;
(5) power capacity of the present invention is large, polarization purity is high;
(6) the present invention carries radio-frequency joint, and energy and active device, circuit are integrated into unified assembly;
(7) structure of the present invention is simple, with low cost, is worth large-scale promotion to use.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of perpendicular polarization medium resonator antenna of the present invention.
Fig. 2 is the end view of Fig. 1.
Fig. 3 is a kind of perpendicular polarization medium resonator antenna emulation of the present invention S parameter figure.
Fig. 4 is that a kind of perpendicular polarization medium resonator antenna of the present invention is at 1.8GHz antenna pattern.
Fig. 5 is that a kind of perpendicular polarization medium resonator antenna of the present invention is at 1.9GHz antenna pattern.
Fig. 6 is that a kind of perpendicular polarization medium resonator antenna of the present invention is at 2GHz antenna pattern.
Fig. 7 is the vertical view of Fig. 1.
Fig. 8 is the front view of Fig. 1.
In above-mentioned accompanying drawing, the component names that Reference numeral is corresponding is as follows:
1-Rectangular Enclosure with Participating Media resonator, 2-antenna circuit board, 3-first metal-loaded paster, 4-second metal-loaded paster, 5-antenna rf joint, 6-support column, 7-bracing frame, 8-metal patch dielectric-slab.
Embodiment
The object of the invention is to the defect overcoming prior art, a kind of perpendicular polarization dielectric resonator antenna for base station is provided, below in conjunction with embodiment, the present invention is described in further detail.
Embodiment
As shown in Fig. 1 ~ 8, present embodiments provide a kind of perpendicular polarization dielectric resonator antenna for base station, this antenna for base station comprises Rectangular Enclosure with Participating Media resonator 1, antenna circuit board 2, antenna structure frame, metal patch dielectric-slab 8, first metal-loaded paster 3 and the second metal-loaded paster 4.Wherein, Rectangular Enclosure with Participating Media resonator 1 is arranged on above antenna circuit board 2, and the first metal-loaded paster 3 is arranged on above Rectangular Enclosure with Participating Media resonator 1, and the second metal-loaded paster 4 is arranged on below antenna circuit board 2; All leave spacing between Rectangular Enclosure with Participating Media resonator 1 and two metal-loaded pasters 3 and 4, the first metal-loaded paster 3 and the second metal-loaded paster 4 are attached on corresponding metal patch dielectric-slab 8 respectively.Under use micro-band-cutler feed structure, Rectangular Enclosure with Participating Media resonator is main radiator, first metal-loaded paster and the second metal-loaded paster are parasitic radiator, three radiant bodies have three resonance points respectively, when three resonant frequency points are close to each other, increase antenna relative bandwidth, meet the broadband requirement of antenna, this antenna can be operated in the frequency range of 1.7GHz-2.2 GHz, and that antenna frequencies 1.7 GHz-2.2GHz covers is FDD-LTE(4G), the communications band of WCDMA (3G) communication system.Antenna in the present embodiment return loss within the scope of working frequency range is less than-15dB, and the energy being reflected back source is little, and most Energy Transfer has arrived destination, and efficiency of transmission is very high.
The relative dielectric constant of Rectangular Enclosure with Participating Media resonator is 12, its long a, wide b, and high h size meets following relation: a=b=21mm, h=12mm.Antenna circuit board 2 back side is provided with microstrip feed line, the ground plate of antenna circuit board offers rectangle coupling slot, rectangle coupling slot is about the medium substrate Central Symmetry of circuit board, and microstrip feed line is affixed on the back side of dielectric-slab, and one end of microstrip feed line is connected with antenna rf joint 5.Rectangular Enclosure with Participating Media resonator is positioned at above circuit board ground plane, and it is symmetrical about substrate center equally.Rectangular Enclosure with Participating Media resonator length and width size is equal, and can cover feed gaps completely, by the Rectangular Enclosure with Participating Media resonator of cutler feed as the main radiator of antenna.Rectangle coupling slot and microstrip feed line are mutually vertical, and microstrip feed line and rectangle coupling slot are all positioned at the medium position of antenna circuit board, and one end of microstrip feed line is connected with antenna rf joint 5.
In a distance up and down of dielectric resonator, place the dielectric-slab-metal patch dielectric-slab of two-phase with relative dielectric constant respectively, the dielectric-slab of antenna circuit board 2 and metal patch dielectric-slab 8 all adopt high frequency sheet material FR4, thickness 1.6mm, relative dielectric constant is 3.38, and metal patch dielectric-slab width is lg=67mm ≈ 0.44 λ
0.
Apply the metal level of one deck certain size on the surface of metal patch dielectric-slab, wherein, being positioned at what put is the first metal-loaded paster 3, and what be positioned at below is the second metal-loaded paster 4; First metal-loaded paster 3 width wp=44mm ≈ 0.29 λ
0; Second metal-loaded paster 4 width lp=65mm ≈ 0.42 λ
0, the spacing between the second metal-loaded paster 4 and antenna circuit board 2 is h
1=12m; Distance between Rectangular Enclosure with Participating Media resonator 1 upper surface and the first metal-loaded paster 3 lower surface is h
2=6mm.First metal-loaded paster and the second metal-loaded paster are respectively as antenna parasitic radiator part; Form the radiant section of antenna by Rectangular Enclosure with Participating Media resonator, up and down metal-loaded paster, microstrip feed line, rectangle coupling slot are as the feed part of antenna.
Antenna structure frame comprises support column 6 and bracing frame 7, and preferred support column and bracing frame are all made of plastics, and bracing frame 7 is hollow-core construction, and bracing frame 7 side is also provided with clamp, is provided with antenna rf joint 5 in clamp, and it is inner that antenna circuit board 2 is positioned at bracing frame 7.Bracing frame 7 upper surface and lower surface are all fixed with support column 6, and upper support column and lower support post are all 4, and every two adjacent lower support post positions are corresponding, and two often adjacent upper support column positions are also corresponding; Upper support column and lower support post are on same vertical plane, and the face anyhow at lower support post place is shorter than face anyhow, upper support column place.
As shown in Figs. 4-6, it adopts radiant body stepped construction, feed structure is micro-band-groove, radiation pattern is stable, symmetrical, the front and back ratio of antenna is very high, back scattering is less, and the maximum gain in frequency band 1.7GHz-2.2GHz of the antenna in the present embodiment is 7.5 ~ 8.6dBi, has high-gain, wide bandwidth and high stability compared with traditional sucrose resonant aerial.
According to above-described embodiment, just the present invention can be realized well.What deserves to be explained is; based on above-mentioned with under the prerequisite of micro-band-slot coupling Fed Dielectric Resonator device, dielectric resonator upper and lower loaded microstrip metal patch structural design; for solving same technical problem; even if make some on the invention without substantial change or polishing; the essence of the technical scheme adopted is still the same with the present invention, therefore it also should in protection scope of the present invention.
Claims (9)
1. a perpendicular polarization dielectric resonator antenna for base station, is characterized in that, comprises Rectangular Enclosure with Participating Media resonator (1), antenna circuit board (2), metal patch dielectric-slab (8), the first metal-loaded paster (3) and the second metal-loaded paster (4); Described Rectangular Enclosure with Participating Media resonator (1) is arranged on described antenna circuit board (2) top, described first metal-loaded paster (3) is arranged on described Rectangular Enclosure with Participating Media resonator (1) top, and described second metal-loaded paster (4) is arranged on described antenna circuit board (2) below; Described Rectangular Enclosure with Participating Media resonator (1) and all leave spacing between two metal-loaded pasters (3) and (4), described first metal-loaded paster (3) and the second metal-loaded paster (4) are attached on corresponding metal patch dielectric-slab (8) respectively.
2. a kind of perpendicular polarization dielectric resonator antenna for base station according to claim 1, it is characterized in that, described antenna circuit board (2) back side is provided with microstrip feed line, described antenna circuit board also offers rectangle coupling slot, and described Rectangular Enclosure with Participating Media resonator (1) is positioned at directly over rectangle coupling slot;
Described rectangle coupling slot is mutually vertical with described microstrip feed line, and described microstrip feed line and rectangle coupling slot are all positioned at the medium position of antenna circuit board, and one end of described microstrip feed line is connected with antenna rf joint (5).
3. a kind of perpendicular polarization dielectric resonator antenna for base station according to claim 2, it is characterized in that, under use micro-band-cutler feed structure, described Rectangular Enclosure with Participating Media resonator is main radiator, and described first metal-loaded paster and the second metal-loaded paster are parasitic radiator.
4. a kind of perpendicular polarization dielectric resonator antenna for base station according to any one of claim 1 ~ 3, is characterized in that, is lg=67mm ≈ 0.44 λ for pasting described metal patch dielectric-slab (8) width of the second metal-loaded paster (4)
0; Described first metal-loaded paster (3) width wp=44mm ≈ 0.29 λ
0; Described second metal-loaded paster (4) width lp=65mm ≈ 0.42 λ
0; Wherein, λ
0represent center frequency wavelength.
5. a kind of perpendicular polarization dielectric resonator antenna for base station according to claim 4, is characterized in that, the spacing between described second metal-loaded paster (4) and described antenna circuit board (2) is h
1=12m; Distance between described Rectangular Enclosure with Participating Media resonator (1) upper surface and the first metal-loaded paster (3) lower surface is h
2=6mm.
6. a kind of perpendicular polarization dielectric resonator antenna for base station according to claim 5, is characterized in that, described Rectangular Enclosure with Participating Media resonator (1) relative dielectric constant is 12, its long a, wide b, and high h size meets following relation:
a=b=21mm、h=12mm；
Dielectric-slab and the described metal patch dielectric-slab (8) of described antenna circuit board (2) all adopt high frequency sheet material FR4, thickness 1.6mm, and relative dielectric constant is 3.38.
7. a kind of perpendicular polarization dielectric resonator antenna for base station according to claim 6, it is characterized in that, also comprise antenna structure frame, described antenna structure frame comprises support column (6) and bracing frame (7), support frame as described above (7) is hollow-core construction, support frame as described above (7) upper surface and lower surface are all fixed with support column (6), support frame as described above (7) side is also provided with clamp, be provided with described antenna rf joint (5) in described clamp, it is inner that described antenna circuit board (2) is positioned at support frame as described above (7).
8. a kind of perpendicular polarization dielectric resonator antenna for base station according to claim 7, is characterized in that, the thickness of support frame as described above (7) is 4.6mm, and width is lg=67mm ≈ 0.44 λ
0.
9. a kind of perpendicular polarization dielectric resonator antenna for base station according to claim 8, it is characterized in that, upper surface and the lower surface of support frame as described above (7), antenna circuit board (2), metal patch dielectric-slab (8), the first metal-loaded paster (3) and the second metal-loaded paster (4) are all square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510376354.0A CN104966908B (en) | 2015-04-28 | 2015-07-01 | A kind of vertical polarization dielectric resonator antenna for base station |
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|---|---|---|---|
| CN201510207029 | 2015-04-28 | ||
| CN2015102070291 | 2015-04-28 | ||
| CN201510376354.0A CN104966908B (en) | 2015-04-28 | 2015-07-01 | A kind of vertical polarization dielectric resonator antenna for base station |
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| CN104966908A true CN104966908A (en) | 2015-10-07 |
| CN104966908B CN104966908B (en) | 2018-07-17 |
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| CN201510376354.0A Expired - Fee Related CN104966908B (en) | 2015-04-28 | 2015-07-01 | A kind of vertical polarization dielectric resonator antenna for base station |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108075217A (en) * | 2018-01-19 | 2018-05-25 | 武汉波诺电子科技有限公司 | A kind of new omnidirectional antenna |
| CN108400428A (en) * | 2018-03-13 | 2018-08-14 | 广东通宇通讯股份有限公司 | The method and lifting device of ratio before and after a kind of promotion antenna for base station |
| CN109216915A (en) * | 2017-06-30 | 2019-01-15 | 南宁富桂精密工业有限公司 | Antenna and aerial array |
| CN109599661A (en) * | 2018-11-26 | 2019-04-09 | 广东三水合肥工业大学研究院 | A kind of ceramic antenna that directionality is controllable |
| CN113410618A (en) * | 2021-06-02 | 2021-09-17 | 深圳市信维通信股份有限公司 | Broadband high-gain antenna structure and electronic equipment |
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2015
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109216915A (en) * | 2017-06-30 | 2019-01-15 | 南宁富桂精密工业有限公司 | Antenna and aerial array |
| CN108075217A (en) * | 2018-01-19 | 2018-05-25 | 武汉波诺电子科技有限公司 | A kind of new omnidirectional antenna |
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| CN108400428A (en) * | 2018-03-13 | 2018-08-14 | 广东通宇通讯股份有限公司 | The method and lifting device of ratio before and after a kind of promotion antenna for base station |
| CN108400428B (en) * | 2018-03-13 | 2023-11-24 | 广东通宇通讯股份有限公司 | Method and device for improving front-to-back ratio of base station antenna |
| CN109599661A (en) * | 2018-11-26 | 2019-04-09 | 广东三水合肥工业大学研究院 | A kind of ceramic antenna that directionality is controllable |
| CN109599661B (en) * | 2018-11-26 | 2020-08-14 | 广东三水合肥工业大学研究院 | Ceramic antenna with controllable directivity |
| CN113410618A (en) * | 2021-06-02 | 2021-09-17 | 深圳市信维通信股份有限公司 | Broadband high-gain antenna structure and electronic equipment |
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| CN104966908B (en) | 2018-07-17 |
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Granted publication date: 20180717 |