CN212542668U - Enhanced spread spectrum broadband base station antenna and wireless communication equipment - Google Patents
Enhanced spread spectrum broadband base station antenna and wireless communication equipment Download PDFInfo
- Publication number
- CN212542668U CN212542668U CN202021274952.XU CN202021274952U CN212542668U CN 212542668 U CN212542668 U CN 212542668U CN 202021274952 U CN202021274952 U CN 202021274952U CN 212542668 U CN212542668 U CN 212542668U
- Authority
- CN
- China
- Prior art keywords
- antenna
- base station
- radiation
- coupling unit
- arm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001228 spectrum Methods 0.000 title claims abstract description 22
- 238000004891 communication Methods 0.000 title claims abstract description 9
- 230000005855 radiation Effects 0.000 claims abstract description 73
- 230000008878 coupling Effects 0.000 claims abstract description 52
- 238000010168 coupling process Methods 0.000 claims abstract description 52
- 238000005859 coupling reaction Methods 0.000 claims abstract description 52
- 239000000758 substrate Substances 0.000 claims abstract description 29
- 230000010287 polarization Effects 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims description 7
- 238000002955 isolation Methods 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000010295 mobile communication Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000000411 inducer Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Aerials With Secondary Devices (AREA)
Abstract
The utility model discloses an enhancement mode spread spectrum broadband base station antenna and wireless communication equipment, including reflecting plate, antenna radiating element top coupling unit and below coupling unit, the top at the reflecting plate is fixed through the support column to the antenna radiating element, the top coupling unit is fixed in the top of antenna radiating element, below coupling unit fixes in the reflecting plate top, is located between reflecting plate and the antenna radiating element, the antenna radiating element includes four radiation arms, dielectric substrate and feeder structure, and wherein two radiation arms constitute +45 degrees polarization oscillator, by first feeder feed, two other radiation arms constitute-45 degrees polarization oscillator, by second feeder feed, four radiation arms are the hexagon paster of printing at dielectric substrate, the hexagon paster is opened there is right angle type gap. The antenna has the advantages of large bandwidth, high isolation, simple and novel structure and stable gain and radiation pattern.
Description
Technical Field
The utility model relates to a mobile communication field, concretely relates to enhancement mode spread spectrum broadband base station antenna and wireless communication equipment.
Background
With the rapid development of mobile communication technology, the development and utilization of new frequency band is particularly important, and the 1427 + 1515MHz frequency band has been applied to IMT (international mobile communication) service in japan, and in europe, 25 european union countries support the 1415 + 1515MHz band for IMT service, and germany and italy have sold the central 1452 + 1442MHz band to IMT service. French, Ireland and Slownia consult the auction 1452-1442MHz for IMT services at the Cellpus regulatory body. At present, there are 2G, 3G, LTE (4G) systems in China, the 2G system uses 824-880MHz and 890-960MHz, the LTE (4G) system uses 698-806MHz, and the China wireless communication system currently covers the 698-960MHz band. With the development of mobile communication technology, the requirement of bandwidth is more and more important, different mobile systems occupy different frequency bands, and if the same antenna can cover more mobile communication frequency bands, the manufacturing cost can be reduced, the space utilization is improved, the economic benefit is increased, and greater value is achieved. Therefore, the newly designed and installed broadband antenna simultaneously covers 698-960MHz and 1427-1515MHz, and simultaneously supports IMT and different mobile communication systems, so as to achieve greater economic benefit.
Currently, a wideband base station antenna can generally cover 690-
SUMMERY OF THE UTILITY MODEL
In order to cover 690 simultaneously and give other attention to the bandwidth of 960MHz and IMT service, the utility model discloses the primary objective provides an enhancement mode spread spectrum broadband base station antenna, the utility model relates to a radiation gain is high, high isolation, and the stable enhancement mode spread spectrum broadband base station antenna of directional diagram, this broadband base station antenna can realize 74% impedance bandwidth, and the isolation reaches 35dB, covers 690 and gives other attention to the frequency channel of 1520 MHz.
A secondary object of the present invention is to provide a wireless communication device.
The utility model discloses the primary objective adopts following technical scheme:
an enhanced spread spectrum broadband base station antenna comprises a reflecting plate, an antenna radiation unit, an upper coupling unit and a lower coupling unit, wherein the antenna radiation unit is arranged above the reflecting plate, the upper coupling unit is fixed above the antenna radiation unit, the lower coupling unit is fixed above the reflecting plate and is positioned between the reflecting plate and the antenna radiation unit, the antenna radiation unit comprises a first radiation arm, a second radiation arm, a third radiation arm, a fourth radiation arm, a dielectric substrate and a feeder structure, the feeder structure comprises a first feeder and a second feeder, the first radiation arm, the fourth radiation arm and the first feeder are printed on the upper surface of the dielectric substrate, the second radiation arm, the third radiation arm and the second feeder are printed on the lower surface of the dielectric substrate, and the first radiation arm and the third radiation arm form a + 45-degree polarization oscillator, feeding by a first feeder line, wherein the second radiating arm and the fourth radiating arm form a-45-degree polarized oscillator, and feeding by a second feeder line;
the upper coupling unit and the lower coupling unit comprise circular metal sheets;
preferably, the first, second, third and fourth radiating arms have the same structure and are all hexagonal patches printed on the dielectric substrate, and the hexagonal patches are provided with right-angle slots.
Preferably, the right-angle slot is located at the center of the radiation arm, and the opening direction of the right-angle slot faces to the center of the medium substrate.
Preferably, the circle centers of the upper coupling unit and the lower coupling unit are on the same vertical straight line with the center point of the dielectric substrate.
Preferably, the upper coupling unit is 25mm away from the antenna radiation unit, and the lower coupling unit is 9mm away from the antenna radiation unit.
Preferably, the first feed line and the second feed line are perpendicular to each other, and a perpendicular intersection point is located at a center point of the dielectric substrate.
Preferably, the first and third radiating arms are symmetrical about a center point of the dielectric substrate, and the second and fourth radiating arms are symmetrical about the center point of the dielectric substrate.
Preferably, the radius of the upper coupling unit is 40mm, and the radius of the lower coupling unit is 33 mm.
Preferably, the distance between the reflecting plate and the antenna radiation unit is 0.1 lambdaL-0.5λLWherein λ isLThe wavelength corresponding to the central frequency of the broadband base station antenna of 1.1GHz in free space.
The utility model discloses secondary objective adopts following technical scheme:
a wireless communication device comprising said enhanced spread spectrum broadband base station antenna.
The utility model has the advantages that:
(1) the utility model discloses the bandwidth covers 690 altogether and supplyes 1520MHz, not only is applicable to 2G/3G/LTE (4G) system but also is applicable to the IMT system.
(2) The utility model discloses the radiation arm has fretwork right angle type structure, and extension frequency band is effectual.
(3) The utility model discloses coupling unit simple structure has fine impedance matching effect.
(4) The utility model discloses irradiator novel structure, coupling unit simple structure, wide bandwidth, the directional diagram is stable, and the gain is high, and the isolation is high.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a top view of the present invention;
FIG. 3 is a front sectional view of the present invention;
FIG. 4 is a left side sectional view of the present invention;
fig. 5 is a bandwidth test chart of an antenna according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.
Example 1
Fig. 1 to 4 show that an enhanced spread spectrum broadband base station antenna includes a reflection plate 5, an antenna radiation unit 1, an upper coupling unit 2 and a lower coupling unit 3, where the antenna radiation unit 1 is fixed above the reflection plate 5 through a support column 6, and the distance between the two is 87mm in this embodiment, the upper coupling unit is fixed above the antenna radiation unit through the support column, and the lower coupling unit is fixed above the reflection plate through the support column and between the antenna radiation unit and the reflection plate. In the embodiment, the upper coupling unit is 25mm away from the antenna radiation unit, the lower coupling unit is 9mm away from the antenna radiation unit, the support columns are all insulating plastic columns,
the antenna radiation unit comprises a first radiation arm 7A, a second radiation arm 7B, a third radiation arm 7C, a fourth radiation arm 7D, a dielectric substrate and a feeder structure, wherein the four radiation arms are printed in four quadrants of the dielectric substrate, the feeder structure comprises a first feeder 8A and a second feeder 8B, the first radiation arm, the fourth radiation arm and the first feeder 8A are printed on the upper surface of the dielectric substrate, the second radiation arm, the third radiation arm and the second feeder 8B are printed on the lower surface of the dielectric substrate 9, the first radiation arm and the third radiation arm form a + 45-degree polarized oscillator, the first feeder feeds power, the second radiation arm and the fourth radiation arm form a-45-degree polarized oscillator, and the second feeder feeds power, so that the isolation degree of 35dB can be realized.
The first feeder line and the second feeder line are perpendicular to each other, and the intersection point is located at the center point of the dielectric substrate.
The four radiation arms are identical in structure and size and comprise hexagonal patches printed on the medium substrate, right-angle gaps are formed in the hexagonal patches, and the openings of the right-angle gaps face the center point of the medium substrate.
The hexagonal patch in the embodiment comprises a rectangle and two isosceles triangles, wherein the four right-angle gaps form a square shape, and the side length of the square shape is larger than the diameter of the upper coupling unit.
The right-angle type gap is located the central point of radiation arm and puts, adopts right-angle type gap to produce high-frequency resonance, increases the resonance number, and the extension bandwidth, right-angle type gap increase a high-frequency resonance point, realize the bandwidth extension.
The total length of the right-angle slot is about one wavelength of the high-frequency resonance point.
The upper coupling unit and the lower coupling unit may be the same or different, and specifically are metal patches of a circular, cross, square or other symmetrical structure.
The upper coupling unit is composed of a round metal sheet, the radius of the upper coupling unit is 40mm, and the distance from the upper coupling unit to the antenna radiation unit is 25 mm; the lower coupling unit is composed of a circular metal sheet, the radius of the lower coupling unit is 33mm, and the distance between the circular metal sheet and the antenna radiation unit is 9 mm. The centers of the two round metal sheets are on a vertical straight line with the center point of the medium substrate. The two coupling units of the structure are used for adjusting impedance matching, improving the return loss of the enhanced spread spectrum broadband base station antenna and realizing the dual-polarized bandwidth of 690MHz-1520MHz (the return loss can be larger than 15 dB).
Furthermore, the distance between the upper coupling unit and the antenna radiation unit and the radius of the coupling unit can play a role of a phase inducer, and the width and the gain of the high-frequency half-wave can be adjusted.
The distance between the antenna radiation unit and the reflecting plate is 0.1 lambdaL-0.5λLWherein λ isLThe wavelength corresponding to the central frequency of the broadband base station antenna of 1.1GHz in free space.
The reflecting plate is of a plane structure.
The dielectric substrate adopts a high-frequency plate R04350B, the thickness is 0.76mm, and the relative dielectric constant is 3.48.
The antenna radiation unit is of a planar structure, the dual-polarization bandwidth can be 690MHz-1520MHz, the return loss is more than 15dB, and the isolation is more than 35 dB.
The utility model discloses still include coaxial line 4, coaxial line and feeder connection, coaxial line and below coupling unit contactless.
As shown in fig. 5, the impedance bandwidth of this embodiment is shown, and it can be concluded from fig. 5 that the dual-polarized antenna of the present invention has an impedance bandwidth of 690-1520MHz, the return loss reaches 15dB, and can cover the IMT system 1427-1515 MHz-690-960 MHz frequency bands at the same time, and the isolation is over 35dB in this bandwidth, and the gain is over 8 dBi.
The enhanced spread spectrum broadband base station antenna has the characteristics of novel structure, simple manufacture, large bandwidth, high isolation, stable gain and radiation pattern and the like.
Example 2
A wireless communication device comprises the enhanced spread spectrum broadband base station antenna, wherein the base station antenna comprises a reflecting plate 5, an antenna radiation unit 1, an upper coupling unit 2 and a lower coupling unit 3, the antenna radiation unit 1 is fixed above the reflecting plate 5 through a support column 6, the upper coupling unit is fixed above the antenna radiation unit through the support column, and the lower coupling unit is fixed above the reflecting plate through the support column and between the antenna radiation unit and the reflecting plate.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited by the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (10)
1. An enhanced spread spectrum broadband base station antenna is characterized by comprising a reflecting plate, an antenna radiation unit, an upper coupling unit and a lower coupling unit, wherein the antenna radiation unit is arranged above the reflecting plate, the upper coupling unit is fixed above the antenna radiation unit, the lower coupling unit is fixed above the reflecting plate and is positioned between the reflecting plate and the antenna radiation unit, the antenna radiation unit comprises a first radiation arm, a second radiation arm, a third radiation arm, a fourth radiation arm, a dielectric substrate and a feeder structure, the feeder structure comprises a first feeder and a second feeder, the first radiation arm, the fourth radiation arm and the first feeder are printed on the upper surface of the dielectric substrate, the second radiation arm, the third radiation arm and the second feeder are printed on the lower surface of the dielectric substrate, and the first radiation arm and the third radiation arm form a + 45-degree polarization oscillator, feeding by a first feeder line, wherein the second radiating arm and the fourth radiating arm form a-45-degree polarized oscillator, and feeding by a second feeder line;
the upper coupling unit and the lower coupling unit both comprise a circular metal sheet.
2. The enhanced spread spectrum broadband base station antenna according to claim 1, wherein the first radiating arm, the second radiating arm, the third radiating arm and the fourth radiating arm have the same structure and are all hexagonal patches printed on a dielectric substrate, and the hexagonal patches are provided with right-angle slots.
3. An enhanced spread spectrum wideband base station antenna as claimed in claim 2, wherein said right angle slot is located at the center of said radiating arm and opens towards the center of said dielectric substrate.
4. The enhanced spread spectrum broadband base station antenna according to claim 1, wherein the centers of the upper coupling unit and the lower coupling unit are on the same vertical line with the center point of the dielectric substrate.
5. The enhanced spread-spectrum wideband base station antenna as claimed in claim 4, wherein the upper coupling element is 25mm from the antenna radiating element and the lower coupling element is 9mm from the antenna radiating element.
6. The enhanced spread spectrum wideband base station antenna as claimed in claim 1, wherein said first and second feed lines are perpendicular to each other, and the intersection point of the perpendicular lines is located at the center point of the dielectric substrate.
7. The enhanced spread spectrum wideband base station antenna as claimed in claim 1, wherein said first and third radiating arms are symmetric about a center point of said dielectric substrate, and said second and fourth radiating arms are symmetric about a center point of said dielectric substrate.
8. The enhanced spread-spectrum wideband base station antenna as claimed in claim 1, wherein the radius of the upper coupling element is 40mm and the radius of the lower coupling element is 33 mm.
9. The enhanced spread-spectrum wideband base station antenna as claimed in claim 1, wherein the distance between the reflector plate and the antenna radiating element is 0.1 λL-0.5λLWherein λ isLThe wavelength corresponding to the central frequency of the broadband base station antenna of 1.1GHz in free space.
10. A wireless communication device comprising an enhanced spread spectrum broadband base station antenna according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021274952.XU CN212542668U (en) | 2020-07-03 | 2020-07-03 | Enhanced spread spectrum broadband base station antenna and wireless communication equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021274952.XU CN212542668U (en) | 2020-07-03 | 2020-07-03 | Enhanced spread spectrum broadband base station antenna and wireless communication equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212542668U true CN212542668U (en) | 2021-02-12 |
Family
ID=74521256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021274952.XU Expired - Fee Related CN212542668U (en) | 2020-07-03 | 2020-07-03 | Enhanced spread spectrum broadband base station antenna and wireless communication equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212542668U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111916886A (en) * | 2020-07-03 | 2020-11-10 | 华南理工大学 | Enhanced spread spectrum broadband base station antenna and wireless communication equipment |
-
2020
- 2020-07-03 CN CN202021274952.XU patent/CN212542668U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111916886A (en) * | 2020-07-03 | 2020-11-10 | 华南理工大学 | Enhanced spread spectrum broadband base station antenna and wireless communication equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2019062654A1 (en) | Novel spread spectrum broadband base station antenna | |
| CN103326117B (en) | A kind of broadband dual-polarization four-leaf clover plane antenna | |
| EP3007275B1 (en) | Antenna radiation unit and antenna | |
| CN105762508A (en) | Broadband dual-polarized mobile base station antenna unit equipped with metallic pillars | |
| CN109962335B (en) | Dual-band broadband circularly polarized common-caliber antenna | |
| US12088017B2 (en) | Radiating element, antenna assembly and base station antenna | |
| CN110676579A (en) | Plane spread spectrum broadband base station antenna | |
| CN111916886A (en) | Enhanced spread spectrum broadband base station antenna and wireless communication equipment | |
| CN109509963B (en) | Notch dual-polarized base station antenna | |
| WO2018103504A1 (en) | Antenna feed structure and base station antenna | |
| CN106450683A (en) | Method of sending signals through broadband dual-polarization magneto-electric dipole base station antenna | |
| KR20130134793A (en) | Dual polarization dipole antenna for dual-band and antenna array using it | |
| CN110957569A (en) | Broadband radiation unit and antenna | |
| CN110233332B (en) | Base station antenna based on branch knot loading and parasitic structure | |
| CN112366443A (en) | Low-profile broadband base station antenna based on super surface and communication equipment | |
| CN106450706A (en) | Broadband dual-polarized magnetoelectric dipole base station antenna | |
| WO2023088026A1 (en) | Multi-band slot-coupled antenna | |
| CN108091993A (en) | A kind of low section dual polarized antenna | |
| CN106025527A (en) | Broadband horizontally-polarized omnidirectional antenna with coupled line | |
| CN112054300A (en) | AMC-based low-profile broadband base station antenna and communication equipment | |
| CN212542668U (en) | Enhanced spread spectrum broadband base station antenna and wireless communication equipment | |
| CN212542669U (en) | Low-profile broadband base station antenna based on super surface and communication equipment | |
| CN112271444B (en) | High-gain dual-polarization SIW-CTS antenna array | |
| CN116417786B (en) | Indoor distributed dual-polarized directional wall-mounted antenna with mobile broadband | |
| CN110518343B (en) | Broadband base station antenna based on monopole structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210212 |