CN105990648A - Antenna and communication apparatus - Google Patents
Antenna and communication apparatus Download PDFInfo
- Publication number
- CN105990648A CN105990648A CN201510055426.1A CN201510055426A CN105990648A CN 105990648 A CN105990648 A CN 105990648A CN 201510055426 A CN201510055426 A CN 201510055426A CN 105990648 A CN105990648 A CN 105990648A
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- antenna
- substrate
- metallic rod
- radiation fin
- radiation
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- 230000006854 communication Effects 0.000 title claims abstract description 11
- 238000004891 communication Methods 0.000 title claims abstract description 10
- 230000005855 radiation Effects 0.000 claims abstract description 63
- 239000000758 substrate Substances 0.000 claims abstract description 45
- 239000002131 composite material Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 229910010293 ceramic material Inorganic materials 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 230000000737 periodic effect Effects 0.000 claims description 3
- 229950000845 politef Drugs 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 239000010426 asphalt Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 239000002184 metal Substances 0.000 abstract description 10
- 229910052751 metal Inorganic materials 0.000 abstract description 10
- 239000000463 material Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
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- Variable-Direction Aerials And Aerial Arrays (AREA)
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Abstract
The invention belongs to the antenna technical field and provides an antenna and a communication apparatus. The antenna comprises a substrate, a radiation body and a plurality of metal rods; the radiation body is attached to the substrate; the plurality of metal rods are arranged at the periphery of the radiation body in sequence; and an electromagnetic wave forbidden band in a work frequency band is formed around the radiation body. According to the antenna and the communication apparatus, the electromagnetic wave forbidden band is formed around the radiation body, electromagnetic waves cannot be spread in the waveband, the electromagnetic waves are restricted in a specific area, the energy of radiation fins is radiated towards a specific direction in a centralized manner, the electromagnetic environment of the antenna is adjusted, the impedance match characteristic of the antenna is improved, and the general efficiency of the antenna is improved.
Description
Technical field
The present invention relates to antenna technical field, particularly relate to a kind of antenna and communication equipment.
Background technology
The antennas such as microstrip antenna are little due to its shared space, it is easy to carry and operate, it is possible to achieve volume is little,
Lightweight and the requirement of low profile, can as the dual-mode antenna of mobile terminal, but, in prior art
Microstrip antenna due to size less, antenna inefficient, cause the radiation undersize of antenna, it is difficult to
Realize high-gain and big-elevation to cover, in sum, prior art exists due to antenna radiation size not
Foot causes being difficult to high-gain and the problem of big-elevation covering.
Summary of the invention
It is an object of the invention to provide a kind of antenna and communication equipment, with solve prior art exists due to
The radiation undersize of antenna causes being difficult to high-gain and the problem of big-elevation covering.
The present invention provides a kind of antenna, and for sending/receive the electromagnetic wave under working frequency range, described antenna includes
Substrate, radiant body and multiple metallic rod；
Described radiant body adheres on the substrate, and the plurality of metallic rod is arranged in order and is arranged on described radiation
The surrounding of body, and around described radiant body, form the forbidden band of described electromagnetic wave.
The plurality of metallic rod surround into metallic rod that in a circle, and the plurality of metallic rod, each two is adjacent it
Between gap less than the wavelength of described electromagnetic wave.
For double frequency round polarized antenna, the plurality of metallic rod is arranged in array and at least in two kinds of pitch period
Arrangement, the metallic rod in different spacing cycle is arranged in the surrounding of described radiant body in intersecting, wherein to appoint
Gap between the metallic rod that in the metallic rod of one periodic arrangement, each two is adjacent is less than the ripple of described electromagnetic wave
Long.
The shape of the plurality of metallic rod is identical.
Cylindrically shaped, the square column type of the plurality of metallic rod or cone.
Described substrate is that ceramic material, epoxy resin, politef, FR-4 composite or F4B are compound
Material.
Described substrate includes that first substrate and second substrate, described radiant body include the first radiation fin and the second spoke
Penetrate sheet；
Described second radiation fin is arranged on described second substrate, and described first substrate is arranged on described second spoke
Penetrating on sheet, described first radiation fin is arranged on described first substrate.
The plurality of metallic rod is arranged on around described first substrate and/or second substrate.
Described first substrate or second substrate are plane, cabochon or concave.Described first radiation fin
It is rectangle with the second radiation fin.
Corner cut is offered in one vertical angles of described first radiation fin；In one vertical angles of described second radiation fin
Offer corner cut；The diagonal at the corner cut place of described first radiation fin is perpendicular to cutting of described second radiation fin
The diagonal at place, angle.
The present invention also provides for a kind of communication equipment, uses above-mentioned antenna.
The antenna of present invention offer and communication equipment, the multiple metal of surrounding's spread configuration of radiation fin in antennas
Bar, multiple metallic rod realize formation electromagnetic wave forbidden band around radiant body by forming photon band gap, make electricity
Magnetic wave can not be propagated at this wave band, is constrained in by electromagnetic wave in specific region, makes the energy of radiation fin more concentrate
In radiating to specific direction, have adjusted the electromagnetic environment of antenna, improve impedance matching property, improve sky
The aggregate efficiency of line.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, below will be to embodiment or existing skill
In art description, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only
It is only some embodiments of the present invention, for those of ordinary skill in the art, is not paying creative labor
On the premise of dynamic property, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the top view of a kind of antenna that an embodiment of the present invention provides；
Fig. 2 is the structural representation of a kind of antenna that an embodiment of the present invention provides；
Fig. 3 is the arrangement architecture signal of the multiple metallic rod in a kind of antenna that an embodiment of the present invention provides
Figure；
Fig. 4 is the arrangement architecture signal of the multiple metallic rod in a kind of antenna that an embodiment of the present invention provides
Figure；
Fig. 5 is that a kind of antenna that an embodiment of the present invention provides is arranging metamaterial unit and respectively without super material
Standing-wave ratio test result curve chart in the case of material unit；
Fig. 6 is that a kind of antenna that an embodiment of the present invention provides is arranging metamaterial unit and respectively without super material
Gain test result curve figure in the case of material unit.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and reality
Execute example, the present invention is further elaborated.Only should be appreciated that specific embodiment described herein
Only in order to explain the present invention, it is not intended to limit the present invention.
In order to technical scheme is described, illustrate below by specific embodiment, following
All using microstrip antenna to illustrate in embodiment, those skilled in the art is it should be appreciated that other classes
The antenna of type can be suitable for scheme provided by the present invention too.
The embodiment of the present invention provides a kind of antenna, for sending/receive the electromagnetic wave under working frequency range, such as Fig. 1
Shown in, antenna includes substrate, radiant body and multiple metallic rod；Radiant body is attached on substrate, multiple metals
Bar is arranged in order the surrounding being arranged on radiant body, and forms the forbidden band of electromagnetic wave around radiant body.
Radiant body is used for launching or receiving electromagnetic wave signal, and multiple metallic rod realize by forming photon band gap
Surrounding's formation electromagnetic wave forbidden band of radiant body, makes electromagnetic wave can not propagate at this wave band, is constrained in by electromagnetic wave
In specific region, make the energy of radiation fin focus more on and radiate to specific direction, therefore, multiple by arranging
Metallic rod have adjusted the electromagnetic environment of antenna, improves impedance operator.
Wherein, multiple metallic rod forming photonic band gap structure can make the electromagnetic wave of some wave band completely can not be
Wherein propagate, on frequency spectrum, then form band gap.Photonic band gap structure is at microwave, and millimeter wave field has a lot,
Photonic band gap structure is applied in antenna by the present invention.
Concrete, following several embodiments can be included according to metallic rod arrangement mode around radiant body:
As a kind of embodiment, the plurality of metallic rod surrounds into each two in a circle, and multiple metallic rod
The adjacent gap between metallic rod, less than the wavelength of the electromagnetic wave under working frequency range, makes the electricity under working frequency range
Magnetic wave can not form a wave band in communication process, and the electromagnetic wave under working frequency range is constrained in specific region
In.
In the above-described embodiment, include again implementation below according to the shape of metallic rod, real as one
Executing mode, the shape of multiple metallic rod is identical, and such as, each metallic rod is cylinder, and same
In the individual cycle, the spacing between two cylindrical metal bars of arrangement is identical.
As another embodiment, the shape of multiple metallic rod is different, optionally, and the shape of multiple metallic rod
Shape is cylindrical, square column type or cone.As it is shown on figure 3, with multiple metallic rod respectively in cylindrical and side
As a example by cylindricality, the setting of metallic rod can be specially circular columns, square column, arranges by that analogy.
As the another embodiment of metallic rod arrangement mode around radiant body, multiple metallic rod are battle array
Row arrangement also at least arranges in two kinds of pitch period, and the metallic rod in different spacing cycle is that intersection is arranged in
The surrounding of described radiant body, with between the metallic rod that each two in the metallic rod of any of which periodic arrangement is adjacent
Gap less than the wavelength of the electromagnetic wave under described working frequency range.
As a example by two kinds of pitch period, illustrate that the metallic rod in above-mentioned different spacing cycle is in intersecting spread configuration below
In the surrounding of described radiant body, as shown in Figure 4, first row metallic rod arranges with the first pitch period,
Second row metallic rod arranges with the second pitch period, and the 3rd row's metallic rod is arranged with the first pitch period
Row, the 4th row's metallic rod arranges with the second pitch period, and the rest may be inferred.By arranging different spacing week
The metallic rod array arrangement of phase, it is achieved the electromagnetic wave under the working frequency range under at least two-band is retrained.
In this embodiment, the shape of metallic rod can be identical, it is also possible to becomes different shapes, the most not
The setting of synperiodic metallic rod can be specially circular columns, square column, carries out cross arrangement by that analogy.Need
It is noted that the shape of multiple metallic rod includes but not limited to above-mentioned cited structure, it is also possible to each
Plant irregular shape and structure.
Optionally, substrate is ceramic material, epoxy resin, politef, FR-4 composite or F4B
Composite.
Antenna uses dual-linear polarization synthesize circular polarisation below, realizes the concrete knot of two-band with double antenna stacking
Structure illustrates, and as depicted in figs. 1 and 2, in antennas, substrate includes first substrate 104 and the second base
Plate 102, radiant body includes the first radiation fin 105 and the second radiation fin 103；Second radiation fin 103 is arranged on
On second substrate 102, first substrate 104 is arranged on the second radiation fin 103, and the first radiation fin 105 sets
Put on first substrate 104.
As a kind of embodiment, multiple metallic rod 101 are arranged on second substrate 102 around.
As another embodiment, multiple metallic rod are arranged on second substrate 102, and are arranged on second
Radiation fin 103 is around.
The identical point of both the above embodiment is all that multiple metallic rod is arranged on the first radiation fin and the second radiation
Around sheet, only difference is that multiple metallic rod arranges position difference.
Optionally, first substrate 104 or second substrate 102 are plane, cabochon or concave.
In the embodiment of the present invention, the size being smaller in size than second substrate of first substrate, and it is superimposed upon the second spoke
Penetrating in the public metal ground plane on sheet, the dielectric constant of first substrate is higher than the dielectric constant of second substrate,
First radiation fin and the second radiation fin share a metal ground plane, the first radiation fin and the second radiation fin to be had
Identical feed port, all the feed metal microstrip line by being positioned on second substrate feed.First spoke
Penetrating sheet is the sheet metal having chamfering form.Described first radiation fin and the second radiation fin are rectangle.Described first
Corner cut is offered in one vertical angles of radiation fin；Corner cut is offered in one vertical angles of described second radiation fin；
The diagonal at the corner cut place of described first radiation fin is perpendicular to the diagonal angle at the corner cut place of described second radiation fin
Line.
As shown in Figure 5 and Figure 6, by antenna is being provided with the forbidden band structure that multiple metallic rod forms respectively
Testing with without the standing-wave ratio under forbidden band structure and gain, result shows, arranges multiple metal on antenna
The forbidden band structure of bar does not affect radiation efficiency, makes radiation frequency create drift, in the design to a certain extent
The different radiation frequency drifts according to forbidden band structure are needed to be finely adjusted.Be can be seen that by antenna radiation pattern longitudinal section,
On the one hand the forbidden band structure arranging multiple metallic rod on antenna improves the radiation efficiency of antenna, on the other hand
Broadening aerial radiation main lobe width, improves antenna radiation performance.
In Figure 5, transverse axis is frequency, and the longitudinal axis is voltage standing wave ratio, at the frequency range district of two work, voltage
Standing-wave ratio is sufficiently close to 1, shows that this antenna has good characteristic impedance.In Fig. 6, transverse axis is angle of radiation,
The longitudinal axis is gain, and compared to prior art, the scheme of the present embodiment makes to reach in bigger angular range
High-gain radiation, i.e. improves radiance.
The present invention is applicable to the antennas such as vehicle-mounted, carrier-borne and airborne, and this circular polarized antenna is equally applicable to GPS and defends
The Miniaturization Design of the circular polarized antennas such as star navigation antenna.
The present invention provides a kind of antenna, and the multiple metallic rod of surrounding's spread configuration of radiation fin, multiple in antennas
Metallic rod realizes formation electromagnetic wave forbidden band around radiant body by forming photon band gap, makes the electromagnetic wave can not
Propagate at this wave band, electromagnetic wave is constrained in specific region, make the energy of radiation fin focus more on to specific
Direction radiates, and have adjusted the electromagnetic environment of antenna, improves impedance matching property, improves total effect of antenna
Rate.
The present invention also provides for a kind of communication equipment, including above-mentioned antenna.
Above content is to combine concrete preferred implementation further description made for the present invention, no
Can assert the present invention be embodied as be confined to these explanations.Common for the technical field of the invention
For technical staff, make some equivalents without departing from the inventive concept of the premise and substitute or obvious modification,
And performance or purposes are identical, all should be considered as belonging to the present invention by the claims submitted to determine special
Profit protection domain.
Claims (12)
1. an antenna, for sending/receive the electromagnetic wave under working frequency range, it is characterised in that described sky
Line includes substrate, radiant body and multiple metallic rod；
Described radiant body adheres on the substrate, and the plurality of metallic rod is arranged in order and is arranged on described radiation
The surrounding of body, and around described radiant body, form the forbidden band of described electromagnetic wave.
2. antenna as claimed in claim 1, it is characterised in that: the plurality of metallic rod surrounds into a circle,
And the gap between the metallic rod that in the plurality of metallic rod, each two is adjacent is less than the wavelength of described electromagnetic wave.
3. antenna as claimed in claim 1, it is characterised in that the plurality of metallic rod is arranged in array also
At least in two kinds of pitch period arrangements, the metallic rod in different spacing cycle is that intersection is arranged in described radiation
The surrounding of body is little with the gap between the metallic rod that each two in the metallic rod of any of which periodic arrangement is adjacent
Wavelength in described electromagnetic wave.
4. antenna as claimed in claim 2 or claim 3, it is characterised in that the shape phase of the plurality of metallic rod
With.
5. antenna as claimed in claim 2 or claim 3, it is characterised in that being shaped as of the plurality of metallic rod
Cylinder, square column type or cone.
6. antenna as claimed in claim 1, it is characterised in that described substrate is ceramic material, asphalt mixtures modified by epoxy resin
Fat, politef, FR-4 composite or F4B composite.
7. as claimed in claim 2 or claim 3 antenna, it is characterised in that: described substrate include first substrate and
Second substrate, described radiant body includes the first radiation fin and the second radiation fin；
Described second radiation fin is arranged on described second substrate, and described first substrate is arranged on described second spoke
Penetrating on sheet, described first radiation fin is arranged on described first substrate.
8. antenna as claimed in claim 7, it is characterised in that: the plurality of metallic rod is arranged on described the
Around one substrate and/or second substrate.
9. antenna as claimed in claim 7, it is characterised in that described first substrate or second substrate are flat
Face type, cabochon or concave.
10. antenna as claimed in claim 7, it is characterised in that described first radiation fin and the second radiation
Sheet is rectangle.
11. antennas according to claim 10, it is characterised in that a pair top of described first radiation fin
Corner cut is offered on angle；Corner cut is offered in one vertical angles of described second radiation fin；Described first radiation fin
The diagonal at corner cut place be perpendicular to the diagonal at corner cut place of described second radiation fin.
12. 1 kinds of communication equipments, it is characterised in that include the antenna as described in claim 1-11 is arbitrary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510055426.1A CN105990648B (en) | 2015-01-30 | 2015-01-30 | Antenna and communication equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510055426.1A CN105990648B (en) | 2015-01-30 | 2015-01-30 | Antenna and communication equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105990648A true CN105990648A (en) | 2016-10-05 |
| CN105990648B CN105990648B (en) | 2024-02-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510055426.1A Active CN105990648B (en) | 2015-01-30 | 2015-01-30 | Antenna and communication equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105990648B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108734839A (en) * | 2018-06-19 | 2018-11-02 | 南京熊猫电子股份有限公司 | Gate array IMSI authentication systems and method based on single base station multiple antennas |
| CN109075455A (en) * | 2016-04-06 | 2018-12-21 | 株式会社电装 | Antenna assembly |
| WO2019174332A1 (en) * | 2018-03-15 | 2019-09-19 | 华为技术有限公司 | Antenna and communication apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1906809A (en) * | 2003-11-27 | 2007-01-31 | 科学研究国家中心 | Configurable and orientable antenna and corresponding base station |
| CN203883115U (en) * | 2013-12-12 | 2014-10-15 | 深圳光启创新技术有限公司 | Circularly-polarized antenna, circularly-polarized antenna system, and communication equipment |
| CN204375928U (en) * | 2015-01-30 | 2015-06-03 | 深圳光启高等理工研究院 | A kind of antenna and communication equipment |
-
2015
- 2015-01-30 CN CN201510055426.1A patent/CN105990648B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1906809A (en) * | 2003-11-27 | 2007-01-31 | 科学研究国家中心 | Configurable and orientable antenna and corresponding base station |
| JP2007512747A (en) * | 2003-11-27 | 2007-05-17 | サーントル ナスィヨナル ドゥ ラ ルシェルシュ スイヤンティフィック （セ エヌ エール エス） | Antenna that can shape and direct beam and its base station |
| CN203883115U (en) * | 2013-12-12 | 2014-10-15 | 深圳光启创新技术有限公司 | Circularly-polarized antenna, circularly-polarized antenna system, and communication equipment |
| CN204375928U (en) * | 2015-01-30 | 2015-06-03 | 深圳光启高等理工研究院 | A kind of antenna and communication equipment |
Non-Patent Citations (1)
| Title |
|---|
| J.F. ALMEIDA等: "Analysis by FDTD method of a microstrip antenna with PBG considering the substrate thickness variation", 《17TH INTERNATIONAL CONFERENCE ON APPLIED ELECTROMAGNETICS AND COMMUNICATIONS, 2003. ICECOM 2003》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109075455A (en) * | 2016-04-06 | 2018-12-21 | 株式会社电装 | Antenna assembly |
| CN109075455B (en) * | 2016-04-06 | 2021-07-30 | 株式会社电装 | Antenna device |
| WO2019174332A1 (en) * | 2018-03-15 | 2019-09-19 | 华为技术有限公司 | Antenna and communication apparatus |
| CN110277628A (en) * | 2018-03-15 | 2019-09-24 | 华为技术有限公司 | A kind of antenna and communication device |
| CN110277628B (en) * | 2018-03-15 | 2020-11-17 | 华为技术有限公司 | Antenna and communication device |
| US11309639B2 (en) | 2018-03-15 | 2022-04-19 | Huawei Technologies Co., Ltd. | Antenna and communications apparatus |
| US11784417B2 (en) | 2018-03-15 | 2023-10-10 | Huawei Technologies Co., Ltd. | Antenna and communications apparatus |
| CN108734839A (en) * | 2018-06-19 | 2018-11-02 | 南京熊猫电子股份有限公司 | Gate array IMSI authentication systems and method based on single base station multiple antennas |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105990648B (en) | 2024-02-02 |
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