CN205376776U - Low section GSM, LTE coplane directional aerial - Google Patents
Low section GSM, LTE coplane directional aerial Download PDFInfo
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- CN205376776U CN205376776U CN201521000039.XU CN201521000039U CN205376776U CN 205376776 U CN205376776 U CN 205376776U CN 201521000039 U CN201521000039 U CN 201521000039U CN 205376776 U CN205376776 U CN 205376776U
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Abstract
The utility model relates to a microstrip antenna technical field especially relates to a low section GSM, LTE coplane directional aerial, including the metal reflecting plate, low section GSM, LTE coplane directional aerial still includes LTE radiating element paster, LTE radiating element parasitic patch, GSM radiating element paster, LTE radiating element feed structure and GSM radiating element feed structure. The utility model discloses install LTE radiating element paster, LTE radiating element parasitic patch and GSM radiating element paster coplane on the metal reflecting plate, the utility model discloses an antenna is the directed radiation, supports GSM frequency channel and LTE frequency channel simultaneously, the utility model discloses have very low section when obtaining very wide working frequency band, simple structure, by the coaxial feeder direct feed has saved complicated feed network, convenient design and installation.
Description
Technical field
This utility model relates to microstrip antenna technical field, particularly relates to a kind of low coplanar beam antenna of section GSM, LTE.
Background technology
Along with the diversified development of mobile communication business, it is contemplated that compatible, the multi-mode working of antenna becomes the ideal scheme solving Multi net voting access, system or terminal works and gets more and more in the situation of various modes.Therefore, research design can realize the built-in wide-band of multiple antennas in limited space, low section, miniature antenna have become current study hotspot.In existing mobile terminal (mobile phone), widely used broadband or multiband antenna and multi-antenna technology are to adapt to the demand of multi-mode working, its antenna substantially omnidirectional radiation, such antenna is designed, be currently mainly concerned about or the performance such as Antenna Operation bandwidth, miniaturization and efficiency in minimum space.Planar inverted-F antenna (PIFA) and monopole-like antenna are widely used in terminal, but its relative bandwidth is narrower.The measures such as many feed structures, multi-resonant minor matters and Multi-layer design are generally adopted to improve the beamwidth of antenna, although antenna can be made very small, but standing wave is big, polarization purity and isolation index are generally not capable of being well solved, and is not directed radiation, it is also difficult to realize co-planar designs.For new application scene, it is necessary under given little space size (such as ultralow section) constraints, it is achieved the isolation of antenna and broadband performance between different mode.In traditional mobile terminal, the scheme of Antenna Design can not meet new application demand, therefore the difficult problem being designed to during new application system realizes of antenna.
Utility model content
The purpose of this utility model is the defect overcoming prior art to exist, it is provided that a kind of simple in construction, multi-mode, with the wide low coplanar beam antenna of section GSM, LTE.
The technical scheme realizing this utility model purpose is: a kind of low section GSM, the coplanar beam antenna of LTE, including metallic reflection plate, low section GSM, the coplanar beam antenna of LTE also includes LTE radiating element paster, LTE radiating element parasitic patch, GSM radiating element paster, LTE radiating element feed structure and GSM radiating element feed structure, LTE radiating element paster, LTE radiating element parasitic patch and GSM radiating element paster are respectively positioned on the same surface of metallic reflection plate, LTE radiating element paster includes the first ground connection limit, LTE radiating element parasitic patch includes the second ground connection limit, GSM radiating element paster includes the 3rd ground connection limit, first ground connection limit, second ground connection limit and the 3rd ground connection limit are all vertically mounted on metallic reflection plate.
As prioritization scheme of the present utility model, LTE radiating element paster is U shape, LTE radiating element paster also includes the first rectangular channel, and the main body of LTE radiating element paster is arranged on the first ground connection limit, and the main body of LTE radiating element paster is parallel with metallic reflection plate.
As prioritization scheme of the present utility model, LTE radiating element paster also includes the main body of bending edges, bending edges and LTE radiating element paster and constitutes LTE bending section.
As prioritization scheme of the present utility model, the main body of LTE radiating element paster and the distance of metallic reflection plate are between main body and the metallic reflection plate of 10mm, LTE radiating element paster be air dielectric.
As prioritization scheme of the present utility model, LTE radiating element feed structure is coaxial feeder, and the inner wire of coaxial feeder connects the main body of LTE radiating element paster, and the outer conductor of coaxial feeder is connected on metallic reflection plate.
As prioritization scheme of the present utility model, GSM radiating element paster also includes the second rectangular channel, and the main body of GSM radiating element paster is arranged on the 3rd ground connection limit, and the main body of GSM radiating element paster is parallel with metallic reflection plate.
As prioritization scheme of the present utility model, the main body of GSM radiating element paster and the distance of metallic reflection plate are between main body and the metallic reflection plate of 10mm, GSM radiating element paster be air dielectric.
As prioritization scheme of the present utility model, GSM radiating element feed structure is coaxial feeder, and the inner wire of coaxial feeder connects the main body of GSM radiating element paster, and the outer conductor of coaxial feeder is connected on metallic reflection plate.
As prioritization scheme of the present utility model, LTE radiating element parasitic patch is polygon or circle.
As prioritization scheme of the present utility model, between LTE radiating element paster and LTE radiating element parasitic patch, it is provided with gap.
This utility model has positive effect: 1) this utility model is arranged on metallic reflection plate by coplanar for radiation component, antenna of the present utility model is directed radiation, supporting GSM frequency range and LTE frequency range, compact conformation, volume are little simultaneously, and the isolation between two frequency ranges reaches more than 18dB simultaneously；
2) the first ground connection limit of the present utility model, the second ground connection limit, the 3rd ground connection limit and LTE bending section can effectively reduce the Q-value of antenna, play good impedance matching effect, have wider working band and less standing wave；
3) this utility model has very low section while obtaining very wide working band, is especially apparent in GSM frequency range；
4) simple in construction of the present utility model, by coaxial feeder direct feed, eliminate the feeding network of complexity, facilitate design and installation.
Accompanying drawing explanation
In order to make content of the present utility model be easier to be clearly understood, below according to specific embodiment and in conjunction with accompanying drawing, this utility model is described in further detail, wherein:
Fig. 1 is structure chart of the present utility model；
Fig. 2 is the return loss plot of GSM frequency range；
Fig. 3 is the return loss plot of LTE frequency range；
Fig. 4 is two feed port isolation figure in GSM frequency range；
Fig. 5 is two feed port isolation figure in LTE frequency range.
Wherein, 1, metallic reflection plate, 2, LTE radiating element paster, 3, LTE radiating element parasitic patch, 4, GSM radiating element paster, 5, LTE radiating element feed structure, 6, GSM radiating element feed structure, 21, the first ground connection limit, 31, the second ground connection limit, the 41, the 3rd ground connection limit, the 22, first rectangular channel, 23, bending edges, the 42, second rectangular channel.
Detailed description of the invention
nullAs shown in Figure 1，The utility model discloses a kind of low section GSM、The coplanar beam antenna of LTE，Including metallic reflection plate 1，Low section GSM、The coplanar beam antenna of LTE also includes LTE radiating element paster 2、LTE radiating element parasitic patch 3、GSM radiating element paster 4、LTE radiating element feed structure 5 and GSM radiating element feed structure 6，LTE radiating element paster 2、LTE radiating element parasitic patch 3 and GSM radiating element paster 4 are respectively positioned on the same surface of metallic reflection plate 1，LTE radiating element paster 2 includes the first ground connection limit 21，LTE radiating element parasitic patch 3 includes the second ground connection limit 31，GSM radiating element paster 4 includes the 3rd ground connection limit 41，First ground connection limit 21、Second ground connection limit 31 and the 3rd ground connection limit 41 are all vertically mounted on metallic reflection plate 1.Wherein, the 21, second ground connection limit, the first ground connection limit 31 and the 3rd ground connection limit 41 can effectively reduce the Q-value of the low coplanar beam antenna of section GSM, LTE, play good impedance matching effect, effectively reduce the size of antenna, the bandwidth of broadening antenna.
LTE radiating element paster 2 is in U shape, and LTE radiating element paster 2 also includes the main body of the first rectangular channel 22, LTE radiating element paster 2 and is arranged on the first ground connection limit 21, and the main body of LTE radiating element paster 2 is parallel with metallic reflection plate 1.First rectangular channel 22 of the main body of LTE radiating element paster 2 makes the body current path of LTE radiating element paster 2 bend, add the effective length of the low coplanar directional antenna radiation of section GSM, LTE, reduce resonant frequency, and the size of the low coplanar beam antenna of section GSM, LTE can effectively be reduced.
LTE radiating element paster 2 also includes bending edges 23, the main body of bending edges 23 and LTE radiating element paster 2 constitutes LTE bending section, and this LTE bending section can effectively reduce the Q-value of antenna, plays good impedance matching effect, the broadening bandwidth of antenna.
The main body of LTE radiating element paster 2 and the distance of metallic reflection plate 1 are between main body and the metallic reflection plate 1 of 10mm, LTE radiating element paster 2 be air dielectric.Adopt air dielectric, not only make simple and convenient, and provide cost savings.
GSM radiating element paster 4 also includes the main body of the second rectangular channel 42, GSM radiating element paster 4 and is arranged on the 3rd ground connection limit 41, and the main body of GSM radiating element paster 4 is parallel with metallic reflection plate 1.
Second rectangular channel 42 of the main body of GSM radiating element paster 4 makes the body current path of GSM radiating element paster 4 bend, add the effective length of the low coplanar directional antenna radiation of section GSM, LTE, reduce resonant frequency, and the size of the low coplanar beam antenna of section GSM, LTE can effectively be reduced.
The main body of GSM radiating element paster 4 and the distance of metallic reflection plate 1 are between main body and the metallic reflection plate 1 of 10mm, GSM radiating element paster 4 be air dielectric.Adopt air dielectric, not only make simple and convenient, and provide cost savings.
LTE radiating element feed structure 5 is coaxial feeder, and the inner wire of coaxial feeder connects the main body of LTE radiating element paster 2, and the outer conductor of coaxial feeder is connected on metallic reflection plate 1.GSM radiating element feed structure 6 is coaxial feeder, and the inner wire of coaxial feeder connects the main body of GSM radiating element paster 4, and the outer conductor of coaxial feeder is connected on metallic reflection plate 1.LTE radiating element feed structure 5 and GSM radiating element feed structure 6 all adopt coaxial feeding, eliminate the feeding network of complexity, facilitate design and installation.
LTE radiating element parasitic patch 3 is polygon or circle, it is provided with gap between LTE radiating element paster 2 and LTE radiating element parasitic patch 3, the excitation of LTE radiating element parasitic patch 3 is realized by the slot-coupled of LTE radiating element parasitic patch 3 with LTE radiating element paster 2, LTE radiating element parasitic patch 3 and LTE radiating element paster 2 resonance respectively in different frequencies thus forming double resonance to carry out the bandwidth of the broadening low section coplanar beam antenna of GSM, LTE.
Through software emulation and object test, as shown in Figure 2-5, this low coplanar beam antenna of section GSM, LTE is respectively less than-9.6dB at emulation and the measured result of the return loss of the frequency range (880-960MHz) of GSM, the emulation of return loss of F/E/D frequency range (1880-2620MHz) and measured result at LTE are respectively less than-10dB, isolation between two feed port reaches more than 18dB in GSM frequency range (880-960MHz), and the F/E/D frequency range (1880-2620MHz) at LTE reaches more than 23.9dB.
Particular embodiments described above; the purpose of this utility model, technical scheme and beneficial effect have been further described; it is it should be understood that; the foregoing is only specific embodiment of the utility model; it is not limited to this utility model; all within spirit of the present utility model and principle, any amendment of making, equivalent replacement, improvement etc., should be included within protection domain of the present utility model.
Claims (10)
- null1. one kind low section GSM、The coplanar beam antenna of LTE，Including metallic reflection plate (1)，It is characterized in that: described low section GSM、The coplanar beam antenna of LTE also includes LTE radiating element paster (2)、LTE radiating element parasitic patch (3)、GSM radiating element paster (4)、LTE radiating element feed structure (5) and GSM radiating element feed structure (6)，Described LTE radiating element paster (2)、LTE radiating element parasitic patch (3) and GSM radiating element paster (4) is respectively positioned on the same surface of metallic reflection plate (1)，Described LTE radiating element paster (2) includes the first ground connection limit (21)，Described LTE radiating element parasitic patch (3) includes the second ground connection limit (31)，Described GSM radiating element paster (4) includes the 3rd ground connection limit (41)，The first described ground connection limit (21)、Second ground connection limit (31) and the 3rd ground connection limit (41) are all vertically mounted on metallic reflection plate (1).
- 2. the coplanar beam antenna of one according to claim 1 low section GSM, LTE, it is characterized in that: described LTE radiating element paster (2) is in U shape, described LTE radiating element paster (2) also includes the first rectangular channel (22), the main body of LTE radiating element paster (2) is arranged on the first ground connection limit (21), and the main body of LTE radiating element paster (2) is parallel with metallic reflection plate (1).
- 3. the coplanar beam antenna of one according to claim 2 low section GSM, LTE, it is characterized in that: described LTE radiating element paster (2) also includes the main body of bending edges (23), described bending edges (23) and LTE radiating element paster (2) and constitutes LTE bending section.
- 4. the coplanar beam antenna of one according to claim 2 low section GSM, LTE, it is characterized in that: be air dielectric between the main body of LTE radiating element paster (2) and the main body that distance is 10mm, LTE radiating element paster (2) and the metallic reflection plate (1) of metallic reflection plate (1).
- 5. the coplanar beam antenna of one according to claim 2 low section GSM, LTE, it is characterized in that: described LTE radiating element feed structure (5) is coaxial feeder, the inner wire of coaxial feeder connects the main body of LTE radiating element paster (2), and the outer conductor of coaxial feeder is connected on metallic reflection plate (1).
- 6. the coplanar beam antenna of one according to claim 1 low section GSM, LTE, it is characterized in that: described GSM radiating element paster (4) also includes the second rectangular channel (42), the main body of GSM radiating element paster (4) is arranged on the 3rd ground connection limit (41), and the main body of GSM radiating element paster (4) is parallel with metallic reflection plate (1).
- 7. the coplanar beam antenna of one according to claim 6 low section GSM, LTE, it is characterized in that: be air dielectric between the main body of GSM radiating element paster (4) and the main body that distance is 10mm, GSM radiating element paster (4) and the metallic reflection plate (1) of metallic reflection plate (1).
- 8. the coplanar beam antenna of one according to claim 6 low section GSM, LTE, it is characterized in that: described GSM radiating element feed structure (6) is coaxial feeder, the inner wire of coaxial feeder connects the main body of GSM radiating element paster (4), and the outer conductor of coaxial feeder is connected on metallic reflection plate (1).
- 9. the coplanar beam antenna of one according to claim 1 low section GSM, LTE, it is characterised in that: described LTE radiating element parasitic patch (3) is polygon or circle.
- 10. the coplanar beam antenna of one according to claim 1 low section GSM, LTE, it is characterised in that: it is provided with gap between described LTE radiating element paster (2) and LTE radiating element parasitic patch (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521000039.XU CN205376776U (en) | 2015-12-04 | 2015-12-04 | Low section GSM, LTE coplane directional aerial |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521000039.XU CN205376776U (en) | 2015-12-04 | 2015-12-04 | Low section GSM, LTE coplane directional aerial |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205376776U true CN205376776U (en) | 2016-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521000039.XU Withdrawn - After Issue CN205376776U (en) | 2015-12-04 | 2015-12-04 | Low section GSM, LTE coplane directional aerial |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205376776U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105490035A (en) * | 2015-12-04 | 2016-04-13 | 南京濠暻通讯科技有限公司 | Low-profile GSM-LTE coplanar directional antenna |
| CN107369920A (en) * | 2017-06-15 | 2017-11-21 | 常州安塔歌电子科技有限公司 | A kind of low section end-on-fire antenna of all-metal construction |
| CN108493588A (en) * | 2018-05-22 | 2018-09-04 | 京信通信系统（中国）有限公司 | Indoor base station and its PIFA antennas |
-
2015
- 2015-12-04 CN CN201521000039.XU patent/CN205376776U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105490035A (en) * | 2015-12-04 | 2016-04-13 | 南京濠暻通讯科技有限公司 | Low-profile GSM-LTE coplanar directional antenna |
| CN107369920A (en) * | 2017-06-15 | 2017-11-21 | 常州安塔歌电子科技有限公司 | A kind of low section end-on-fire antenna of all-metal construction |
| CN108493588A (en) * | 2018-05-22 | 2018-09-04 | 京信通信系统（中国）有限公司 | Indoor base station and its PIFA antennas |
| WO2019223318A1 (en) * | 2018-05-22 | 2019-11-28 | 京信通信系统（中国）有限公司 | Indoor base station and pifa antenna thereof |
| CN108493588B (en) * | 2018-05-22 | 2020-07-28 | 京信通信系统（中国）有限公司 | Indoor base station and PIFA antenna thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160706 Effective date of abandoning: 20190402 |