CN105490035B - A kind of coplanar directional aerial of low section GSM, LTE - Google Patents
A kind of coplanar directional aerial of low section GSM, LTE Download PDFInfo
- Publication number
- CN105490035B CN105490035B CN201510885053.0A CN201510885053A CN105490035B CN 105490035 B CN105490035 B CN 105490035B CN 201510885053 A CN201510885053 A CN 201510885053A CN 105490035 B CN105490035 B CN 105490035B
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- China
- Prior art keywords
- lte
- radiating element
- patch
- gsm
- reflection plate
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/28—Combinations of substantially independent non-interacting antenna units or systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
Abstract
The present invention relates to microstrip antenna technical fields, more particularly to a kind of coplanar directional aerial of low section GSM, LTE, including metallic reflection plate, the coplanar directional aerial of low section GSM, LTE further includes LTE radiating element patch, LTE radiating element parasitic patch, GSM radiating element patch, LTE radiating element feed structure and GSM radiating element feed structure.The present invention is by LTE radiating element patch, LTE radiating element parasitic patch and GSM radiating element patch is coplanar is mounted in metallic reflection plate, antenna of the invention is directed radiation, GSM frequency range and LTE frequency range are supported simultaneously, the present invention is while obtaining very wide working band with very low section, structure is simple, by coaxial feeder direct feed, complicated feeding network is eliminated, design and installation are facilitated.
Description
Technical field
The present invention relates to microstrip antenna technical field more particularly to a kind of coplanar directional aerials of low section GSM, LTE.
Background technique
With the diversified development of mobile communication business, it is contemplated that compatibility, it is more that the multi-mode working of antenna becomes solution
The ideal scheme of network insertion, system or terminal works are more and more in the situation of various modes.Therefore, researching and designing can have
Realize that wide-band, low section, miniature antenna built in multiple antennas have become current research hotspot in the space of limit.Existing
Broadband or multiband antenna and multi-antenna technology are widely used in mobile terminal (mobile phone) to adapt to the demand of multi-mode working,
Antenna is substantially omnidirectional radiation, and such antenna is designed in minimum space, at present the still Antenna Operation of major concern
The performances such as bandwidth, miniaturization and efficiency.Planar inverted-F antenna (PIFA) and monopole-like antenna are widely used at the terminal,
But its relative bandwidth is relatively narrow.It generallys use the measures such as more feed structures, multi-resonant minor matters and Multi-layer design and improves aerial band
Width, although antenna can be made very small, standing wave is big, polarization purity and isolation index generally can not be well solved, and
It is not directed radiation, it is also difficult to realize co-planar designs.For new application scene, need given little space size (such as
Ultralow section) under constraint condition, realize the isolation of antenna and broadband performance between different mode.Antenna is set in traditional mobile terminal
The scheme of meter is not able to satisfy new application demand, therefore the problem of antenna being designed in new application system realization.
Summary of the invention
The purpose of the present invention is overcoming defect of the existing technology, a kind of simple structure, multi-mode are provided, with wide
The coplanar directional aerial of low section GSM, LTE.
Realizing the technical solution of the object of the invention is: a kind of coplanar directional aerial of low section GSM, LTE, including metallic reflection
Plate, the coplanar directional aerial of low section GSM, LTE further include LTE radiating element patch, LTE radiating element parasitic patch, GSM radiation
Unit patch, LTE radiating element feed structure and GSM radiating element feed structure, LTE radiating element patch, LTE radiating element
Parasitic patch and GSM radiating element patch are respectively positioned on the same surface of metallic reflection plate, and LTE radiating element patch connects including first
Rand, LTE radiating element parasitic patch include the second ground connection side, and GSM radiating element patch includes third ground connection side, the first ground connection
While, second ground connection while and third ground connection side be vertically mounted in metallic reflection plate.
As prioritization scheme of the invention, LTE radiating element patch is in U shape, and LTE radiating element patch further includes
First rectangular channel, the main body of LTE radiating element patch are mounted on the first ground connection side, the main body and gold of LTE radiating element patch
It is parallel to belong to reflecting plate.
As prioritization scheme of the invention, LTE radiating element patch further includes bending edges, bending edges and LTE radiating element
The main body of patch constitutes LTE bending section.
As prioritization scheme of the invention, the main body of LTE radiating element patch is 10mm at a distance from metallic reflection plate,
It is air dielectric between the main body and metallic reflection plate of LTE radiating element patch.
As prioritization scheme of the invention, LTE radiating element feed structure is coaxial feeder, and the inner conductor of coaxial feeder connects
The main body of LTE radiating element patch is connect, the outer conductor of coaxial feeder is connected in metallic reflection plate.
As prioritization scheme of the invention, GSM radiating element patch further includes the second rectangular channel, GSM radiating element patch
Main body be mounted on third ground connection side on, the main body of GSM radiating element patch is parallel with metallic reflection plate.
As prioritization scheme of the invention, the main body of GSM radiating element patch is 10mm at a distance from metallic reflection plate,
It is air dielectric between the main body and metallic reflection plate of GSM radiating element patch.
As prioritization scheme of the invention, GSM radiating element feed structure is coaxial feeder, and the inner conductor of coaxial feeder connects
The main body of GSM radiating element patch is connect, the outer conductor of coaxial feeder is connected in metallic reflection plate.
As prioritization scheme of the invention, LTE radiating element parasitic patch is polygon or round.
As prioritization scheme of the invention, it is arranged between LTE radiating element patch and LTE radiating element parasitic patch seamed
Gap.
The present invention has the effect of positive: 1) present invention is mounted on radiation component is coplanar in metallic reflection plate, the present invention
Antenna be directed radiation, while supporting GSM frequency range and LTE frequency range, it is compact-sized, small in size, while between two frequency ranges every
Reach 18dB or more from degree；
2) the first ground connection side of the invention, the second ground connection side, third ground connection side and LTE bending section can effectively reduce day
The Q value of line, plays the role of good impedance matching, has wider working band and lesser standing wave；
3) present invention is especially apparent with very low section while obtaining very wide working band in GSM frequency range；
4) structure of the invention it is simple, by coaxial feeder direct feed, eliminate complicated feeding network, facilitate design and
Installation.
Detailed description of the invention
In order that the present invention can be more clearly and readily understood, right below according to specific embodiment and in conjunction with attached drawing
The present invention is described in further detail, in which:
Fig. 1 is structure chart of the invention；
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 isolation figure of two feed ports in GSM frequency range；
Fig. 5 is isolation figure of two feed ports in LTE frequency range.
Wherein, 1, metallic reflection plate, 2, LTE radiating element patch, 3, LTE radiating element parasitic patch, 4, GSM radiation list
First patch, 5, LTE radiating element feed structure, 6, GSM radiating element feed structure, the 21, first ground connection side, the 31, second ground connection
Side, 41, third ground connection side, the 22, first rectangular channel, 23, bending edges, the 42, second rectangular channel.
Specific embodiment
As shown in Figure 1, the invention discloses a kind of coplanar directional aerial of low section GSM, LTE, including metallic reflection plate 1,
The coplanar directional aerial of low section GSM, LTE further includes LTE radiating element patch 2, LTE radiating element parasitic patch 3, GSM radiation
Unit patch 4, LTE radiating element feed structure 5 and GSM radiating element feed structure 6, LTE radiating element patch 2, LTE radiation
Unit parasitic patch 3 and GSM radiating element patch 4 are respectively positioned on the same surface of metallic reflection plate 1, and LTE radiating element patch 2 wraps
The first ground connection side 21 is included, LTE radiating element parasitic patch 3 includes the second ground connection side 31, and GSM radiating element patch 4 includes third
Be grounded side 41, first ground connection while 21, second ground connection while 31 and third ground connection side 41 be vertically mounted in metallic reflection plate 1.Its
In, the first ground connection 31 can effectively reduce the coplanar orientation of low section GSM, LTE with third ground connection side 41 in the 21, second ground connection
The Q value of antenna, plays the role of good impedance matching, effectively reduces the size of antenna, broadens the bandwidth of antenna.
LTE radiating element patch 2 is in U shape, and LTE radiating element patch 2 further includes the first rectangular channel 22, LTE radiation
The main body of unit patch 2 is mounted on the first ground connection side 21, and the main body of LTE radiating element patch 2 is parallel with metallic reflection plate 1.
First rectangular channel 22 of the main body of LTE radiating element patch 2 is bent the body current path of LTE radiating element patch 2, increases
The effective length for having added the coplanar directional antenna radiation of low section GSM, LTE reduces resonance frequency, and make low section GSM,
The size of the coplanar directional aerial of LTE can effectively reduce.
LTE radiating element patch 2 further includes bending edges 23, the main body composition of bending edges 23 and LTE radiating element patch 2
LTE bending section, the LTE bending section can be effectively reduced the Q value of antenna, play the role of good impedance matching, broadened antenna
Bandwidth.
The main body of LTE radiating element patch 2 is 10mm, the master of LTE radiating element patch 2 at a distance from metallic reflection plate 1
It is air dielectric between body and metallic reflection plate 1.Using air dielectric, not only the production is simple and convenient, but also saves cost.
GSM radiating element patch 4 further includes the second rectangular channel 42, and the main body of GSM radiating element patch 4 is mounted on third and connects
On rand 41, the main body of GSM radiating element patch 4 is parallel with metallic reflection plate 1.
Second rectangular channel 42 of the main body of GSM radiating element patch 4 makes the body current road of GSM radiating element patch 4
Diameter bending, increases the effective length of the coplanar directional antenna radiation of low section GSM, LTE, reduces resonance frequency, and make
The size of the coplanar directional aerial of low section GSM, LTE can effectively reduce.
The main body of GSM radiating element patch 4 is 10mm, the master of GSM radiating element patch 4 at a distance from metallic reflection plate 1
It is air dielectric between body and metallic reflection plate 1.Using air dielectric, not only the production is simple and convenient, but also saves cost.
LTE radiating element feed structure 5 is coaxial feeder, the inner conductor connection LTE radiating element patch 2 of coaxial feeder
Main body, the outer conductor of coaxial feeder are connected in metallic reflection plate 1.GSM radiating element feed structure 6 is coaxial feeder, coaxially
The main body of the inner conductor connection GSM radiating element patch 4 of feeder line, the outer conductor of coaxial feeder are connected in metallic reflection plate 1.
LTE radiating element feed structure 5 and GSM radiating element feed structure 6 are all made of coaxial feeding, eliminate complicated transmission network
Network facilitates design and installation.
LTE radiating element parasitic patch 3 is polygon or round, and LTE radiating element patch 2 and LTE radiating element are parasitic
Setting has the gap between patch 3, and the excitation of LTE radiating element parasitic patch 3 passes through LTE radiating element parasitic patch 3 and LTE spoke
The slot-coupled for penetrating unit patch 2 realizes that LTE radiating element parasitic patch 3 and LTE radiating element patch 2 distinguish resonance not
Same frequency is to form double resonance to broaden the bandwidth of the coplanar directional aerial of low section GSM, LTE.
By software emulation and object test, as shown in Figure 2-5, the coplanar directional aerial of this low section GSM, LTE is GSM's
The emulation of the return loss of frequency range (880-960MHz) and measured result are respectively less than -9.6dB, in the F/E/D frequency range (1880- of LTE
The emulation of return loss 2620MHz) and measured result are respectively less than -10dB, and the isolation between two feed ports is in GSM frequency range
(880-960MHz) reaches 18dB or more, reaches 23.9dB or more in the F/E/D frequency range (1880-2620MHz) of LTE.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical scheme and beneficial effects
It describes in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to restrict the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in guarantor of the invention
Within the scope of shield.
Claims (9)
1. a kind of coplanar directional aerial of low section GSM, LTE, including metallic reflection plate (1), it is characterised in that: the low section
The coplanar directional aerial of GSM, LTE further includes LTE radiating element patch (2), LTE radiating element parasitic patch (3), GSM radiation list
First patch (4), LTE radiating element feed structure (5) and GSM radiating element feed structure (6), the LTE radiating element patch
Piece (2), LTE radiating element parasitic patch (3) and GSM radiating element patch (4) are respectively positioned on the same table of metallic reflection plate (1)
Face, the LTE radiating element patch (2) include the first ground connection side (21), LTE radiating element parasitic patch (3) packet
The second ground connection side (31) is included, the GSM radiating element patch (4) includes third ground connection side (41), the first ground connection side
(21), the second ground connection (41) when (31) and third are grounded is vertically mounted on metallic reflection plate (1), the LTE radiation
Unit patch (2) is in U shape, and the LTE radiating element patch (2) further includes the first rectangular channel (22), and LTE radiation is single
The main body of first patch (2) is mounted on the first ground connection side (21), the main body of LTE radiating element patch (2) and metallic reflection plate (1)
In parallel.
2. a kind of coplanar directional aerial of low section GSM, LTE according to claim 1, it is characterised in that: the LTE spoke
Penetrating unit patch (2) further includes bending edges (23), the main body composition of the bending edges (23) and LTE radiating element patch (2)
LTE bending section.
3. a kind of coplanar directional aerial of low section GSM, LTE according to claim 1, it is characterised in that: LTE radiating element
The main body of patch (2) is 10mm, the main body and metallic reflection plate of LTE radiating element patch (2) at a distance from metallic reflection plate (1)
It (1) is air dielectric between.
4. a kind of coplanar directional aerial of low section GSM, LTE according to claim 1, it is characterised in that: the LTE spoke
Penetrating unit feed structure (5) is coaxial feeder, and the inner conductor of coaxial feeder connects the main body of LTE radiating element patch (2), coaxially
The outer conductor of feeder line is connected on metallic reflection plate (1).
5. a kind of coplanar directional aerial of low section GSM, LTE according to claim 1, it is characterised in that: the GSM spoke
Penetrating unit patch (4) further includes the second rectangular channel (42), and the main body of GSM radiating element patch (4) is mounted on third ground connection side
(41) on, the main body of GSM radiating element patch (4) is parallel with metallic reflection plate (1).
6. a kind of coplanar directional aerial of low section GSM, LTE according to claim 5, it is characterised in that: GSM radiating element
The main body of patch (4) is 10mm, the main body and metallic reflection plate of GSM radiating element patch (4) at a distance from metallic reflection plate (1)
It (1) is air dielectric between.
7. a kind of coplanar directional aerial of low section GSM, LTE according to claim 5, it is characterised in that: the GSM spoke
Penetrating unit feed structure (6) is coaxial feeder, and the inner conductor of coaxial feeder connects the main body of GSM radiating element patch (4), coaxially
The outer conductor of feeder line is connected on metallic reflection plate (1).
8. a kind of coplanar directional aerial of low section GSM, LTE according to claim 1, it is characterised in that: the LTE spoke
Penetrating unit parasitic patch (3) is polygon or round.
9. a kind of coplanar directional aerial of low section GSM, LTE according to claim 1, it is characterised in that: the LTE spoke
It penetrates between unit patch (2) and LTE radiating element parasitic patch (3) to be arranged and have the gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510885053.0A CN105490035B (en) | 2015-12-04 | 2015-12-04 | A kind of coplanar directional aerial of low section GSM, LTE |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510885053.0A CN105490035B (en) | 2015-12-04 | 2015-12-04 | A kind of coplanar directional aerial of low section GSM, LTE |
Publications (2)
| Publication Number | Publication Date |
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| CN105490035A CN105490035A (en) | 2016-04-13 |
| CN105490035B true CN105490035B (en) | 2019-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510885053.0A Active CN105490035B (en) | 2015-12-04 | 2015-12-04 | A kind of coplanar directional aerial of low section GSM, LTE |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106785455B (en) * | 2017-03-14 | 2022-05-13 | 昆山瀚德通信科技有限公司 | Ultra-wideband wall-mounted antenna |
| CN108987945B (en) * | 2018-07-24 | 2020-08-04 | 维沃移动通信有限公司 | Terminal equipment |
| CN112909544B (en) * | 2021-02-08 | 2023-03-28 | 歌尔科技有限公司 | Electronic equipment and multi-antenna system thereof |
| CN114520413A (en) * | 2022-02-24 | 2022-05-20 | 浙江海通通讯电子股份有限公司 | Low-profile terminal antenna |
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| CN1343026A (en) * | 2001-08-15 | 2002-04-03 | 信息产业部电信传输研究所 | Low-contour broad-band planar antenna |
| CN1917284A (en) * | 2005-08-19 | 2007-02-21 | 启碁科技股份有限公司 | Notebook computer and its antenna structure |
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| Publication number | Publication date |
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| CN105490035A (en) | 2016-04-13 |
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Denomination of invention: A low profile GSM and LTE coplanar directional antenna Effective date of registration: 20220119 Granted publication date: 20190402 Pledgee: Bank of China Limited by Share Ltd. Nanjing Jiangning branch Pledgor: NANJING HOWKING TECHNOLOGY Co.,Ltd. Registration number: Y2022980000729 |