CN206148623U - Wide band omnidirectional antenna - Google Patents
Wide band omnidirectional antenna Download PDFInfo
- Publication number
- CN206148623U CN206148623U CN201621155861.8U CN201621155861U CN206148623U CN 206148623 U CN206148623 U CN 206148623U CN 201621155861 U CN201621155861 U CN 201621155861U CN 206148623 U CN206148623 U CN 206148623U
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- China
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- antenna
- reflection unit
- wave
- omnidirectional antenna
- wave dipole
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Abstract
The utility model provides a wide band omnidirectional antenna, including antenna array, antenna array includes half -wave dipole, ba lun, reflect meter and cable, the reflect meter is adj. Tabularly, and its at least side surface is equipped with at least one and is provided with half -wave dipole perpendicularly, corresponds the parallelly connected feed ba lun that has on half -wave dipole, the cable sets up in the antenna axis. The utility model has the advantages of be equipped with the reflect meter at the antenna, through placing for network cable axis in the middle of the antenna of unit excitation, unit excitation feed as excitation unit, cooperation shunt feed at the last half -wave dipole that places perpendicularly, fine solution cable influences the directional diagram. Final antenna is personally submitted the qxcomm technology and is possessed good out -of -roundness index in the level.
Description
Technical field
This utility model is related to a kind of communication antenna, refers in particular to a kind of broadband omnidirectional antenna of mobile communication.
Background technology
Mobile communication system since the birth eighties in 20th century, to nowadays year by substantially through the development course in 4 generations,
And by 2010, will be transitioned into for the 4th generation (4G) from the 3rd generation.The most obvious trend of 4G Generation Mobile Communication Systems is to have high demands number
According to speed, high maneuverability and seamless roaming.Realize that these requirements will face more challenges on antenna technology.Additionally, being
System performance (such as honeycomb scale and transfer rate) is to a great extent by the height depending on frequency.Ask in view of these technologies
Topic, some systems will stress to provide high data rate, and some systems will stress to strengthen mobility or expand the coverage area.
In the mobile communication of the simulation identification signal of communication early application, mobile communication is referred to as simulated.In order to solve capacity
Increase, improve communication quality and increase service function, mostly using digital identification signal, i.e., present digital mobile communication.
Then there are two kinds of time division multiple acess (TDMA) and CDMA (CDMA) in standard.The former has the gsm system in Europe (complete in the whole world
Ball mobile communication system), the bimodulus standard IS 1 of North America and the JDC standards of Japan.For CDMA, the Ze You U.S.
The system of the IS-95 standards that Qualcomnn companies develop.Total trend is that digital mobile communication will replace simulation mobile communication.
And mobile communication will develop to personal communication.Then become the important composition of GII into 21 century mobile communication
Part.
Antenna system is the important component part for constituting communication UNICOM, realizes the mutual of energy signal by electromagnetic wave propagation
Change, it may be said that antenna is a kind of energy transducer.Omnidirectional antenna is a kind of basic antenna form.Omnidirectional antenna, i.e., in level
Show as 360 ° of all homogeneous radiations on directional diagram, that is, it is usually described non-directional, show as on height pattern
The wave beam of one fixed width, generally lobe width is less, and gain is bigger.Antenna pair space different directions have different spokes
Penetrate or receiving ability, here it is the directivity of antenna.According to the difference of directivity, antenna has two kinds of omnidirectional and orientation.We
The relation between omnidirectional antenna and beam antenna can be thought deeply with so:Omnidirectional antenna can to all the winds transmission signal, it is front
Left and right can receive signal afterwards, and beam antenna just looks like that, in one bowl-shape reflecting surface of antenna rear mask, signal can only be to
Above transmit, directive signal below is blocked and reflex to front by reflecting surface, strengthens signal intensity above.
Omnidirectional antenna is widely used in without the extensive region for paying special attention to because economy is high.Realize wide covering.It is existing complete
The series feed design of half-wave dipole is adopted to antenna is most of.By scheme limitation, antenna frequency band is narrow, and relative bandwidth can only expire
Sufficient 10%-15% or so.Need in the face of current antenna broadband, be badly in need of new mentality of designing and new design.
Utility model content
Technical problem to be solved in the utility model is：A kind of wideband omni-directional day for possessing good out-of-roundness index is provided
Line.
In order to solve above-mentioned technical problem, the technical solution adopted in the utility model is：A kind of broadband omnidirectional antenna, including
Antenna element；The antenna element includes half-wave dipole, balun, reflection unit and cable；The reflection unit is plate-like, its
At least a side surface is provided with least one and is vertically installed with half-wave dipole, corresponding on half-wave dipole to be parallel with feed bar
Human relations；The cable is arranged in antenna axis.
In above-mentioned, the width of the reflection unit is the half of the wavelength of mid frequency in the beamwidth of antenna.
In above-mentioned, the half-wave dipole includes that the first extremely son is extremely sub with second；Described first extremely son and the second extremely son is equal
Into " L " font, first extremely son and the second extremely sub- vertical arm parallel interval of " L " font is perpendicular to reflection unit surface；The bar
Human relations are in " several " font, the two-arm of " several " word balun be connected to first extremely son and second extremely on son, one arm of balun extends connection
To cable.
In above-mentioned, also including antenna house and mounting seat；Antenna element is set in the antenna house；Arrange under antenna house
There is mounting seat.
In above-mentioned, also including power splitter；The power splitter is arranged at the middle part or bottom of antenna house.
In above-mentioned, the reflection unit is extended longitudinally in long strip-board shape, is spaced along longitudinal axis in reflection unit surface
It is arranged with multiple half-wave dipoles.
In above-mentioned, the both side surface of the reflection unit is correspondingly arranged on half-wave dipole.
In above-mentioned, 8 half-wave dipoles are spaced along longitudinal axis in the both side surface of reflection unit.
The beneficial effects of the utility model are：Reflection unit is equipped with antenna, by half-wave idol being disposed vertically upper
Extremely son as exciting unit, coordinate parallelly feeding to element excitation, element excitation feed network cable in antennas between axis
Place, solving cable well affects on directional diagram.Final antenna is in omnidirectional in horizontal plane and possesses good out-of-roundness index.
Description of the drawings
Concrete structure of the present utility model is described in detail in detail below in conjunction with the accompanying drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of embodiment of the present utility model 7；
Antenna horizontal radiation patterns of the Fig. 3 for this utility model embodiment 6.
1- half-wave dipoles；2- baluns；3- reflection units.
Specific embodiment
By describing technology contents of the present utility model, structural features in detail, realizing purpose and effect, below in conjunction with enforcement
Mode simultaneously coordinates accompanying drawing to be explained in detail.
Refer to Fig. 1, a kind of broadband omnidirectional antenna, including antenna element；The antenna element include half-wave dipole 1,
Balun 2, reflection unit 3 and cable；The reflection unit 3 is plate-like, and its at least side surface is provided with least one and is vertically arranged
There is half-wave dipole 1, it is corresponding on half-wave dipole 1 to be parallel with feed Balun 2；The cable is arranged in antenna axis.
Knowable to foregoing description, the beneficial effects of the utility model are：Reflection unit is equipped with antenna, by upper
Half-wave dipole is disposed vertically as exciting unit, coordinates parallelly feeding to element excitation, the network cable of element excitation feed
Between in antennas, axis is placed, and solving cable well affects on directional diagram.Final antenna is in omnidirectional in horizontal plane and possesses good
Good out-of-roundness index.
Embodiment 1
In above-mentioned, the width of the reflection unit is the half of the wavelength of mid frequency in the beamwidth of antenna.
This patent adopts half-wave dipole, and which possesses in free space presentation omnidirectional characteristic.When doublet unit plus reflection
After plate, as reflecting plate width is increased, its directional diagram is intended to broad beam orientation, and gain becomes larger.
Jing many experiments are obtained, when reflection unit width be the beamwidth of antenna in mid frequency wavelength half when
Wait, the left and right of the reflected device of half-wave dipole, horizontal plane is presented broad beam directional characteristic.
Embodiment 2
In above-mentioned, the half-wave dipole includes that the first extremely son is extremely sub with second；Described first extremely son and the second extremely son is equal
Into " L " font, first extremely son and the second extremely sub- vertical arm parallel interval of " L " font is perpendicular to reflection unit surface；The bar
Human relations are in " several " font, the two-arm of " several " word balun be connected to first extremely son and second extremely on son, one arm of balun extends connection
To cable.
Embodiment 3
In above-mentioned, also including antenna house and mounting seat；Antenna element is set in the antenna house；Arrange under antenna house
There is mounting seat.
Embodiment 4
In above-mentioned, also including power splitter；The power splitter is arranged at the middle part or bottom of antenna house.
In the present embodiment, antenna can design increase sound of sighing power splitter, so as to give every group of unit feed.
Embodiment 5
In above-mentioned, the reflection unit is extended longitudinally in long strip-board shape, is spaced along longitudinal axis in reflection unit surface
It is arranged with multiple half-wave dipoles.
Axis is spaced multiple half-wave dipoles can be so that antenna meets the needs of high-gain.
Embodiment 6
As shown in Fig. 2 in above-mentioned, the both side surface of the reflection unit 3 is correspondingly arranged on half-wave dipole 1.
A half-wave dipole 1, the width of the presentation of half-wave dipole 1 of both direction are further added by behind reflection unit 3
Beam pattern synthesis tends to a circumference (referring to Fig. 3), and directional diagram is presented omnidirectional's characteristic.Experiment test shows, Reasonable adjustment
Unit A and reflecting plate B spacing and the width dimensions of reflecting plate B, can reach 1db in mid frequency directional diagram out-of-roundness, about
In 30% bandwidth, out-of-roundness can meet 2db, and out-of-roundness can meet 2.5db in about 35% bandwidth.
Embodiment 7
In above-mentioned, 8 half-wave dipoles are spaced along longitudinal axis in the both side surface of reflection unit.
Four half-wave dipole subelements 1 are distributed in the same side of reflection unit 3, and four half-wave dipole subelements 1 are distributed in
Opposite side.Feeding network is distributed in the plane of reflection unit 3, constitutes the aerial array of 4 groups of unit number, so as to meet about
The requirement gain of 8db.
This patent scheme, can cause antenna to support that frequency 2-3G, antenna meet out-of-roundness less than 2db, and gain is more than 8db.
As shown in figure 3, this patent antenna is illustrated in the directional diagram of whole frequency range internal antenna horizontal plane.Omnidirectional's out-of-roundness shows and meets 3db.
The feasibility of scheme is demonstrated well.The scheme of the design can realize the requirement of different frequency range wideband omni-directional design.Do not limit
In in present case.
Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, it is every
The equivalent structure made using this utility model description and accompanying drawing content or equivalent flow conversion, or be directly or indirectly used in
Other related technical fields, are included in scope of patent protection of the present utility model in the same manner.
Claims (8)
1. a kind of broadband omnidirectional antenna, it is characterised in that：Including antenna element；The antenna element includes half-wave dipole, bar
Human relations, reflection unit and cable；The reflection unit is plate-like, and its at least side surface is provided with least one and is vertically installed with half-wave
It is dipole, corresponding on half-wave dipole to be parallel with feed Balun；The cable is arranged in antenna axis.
2. broadband omnidirectional antenna as claimed in claim 1, it is characterised in that：The width of the reflection unit is in the beamwidth of antenna
The half of the wavelength of mid frequency.
3. broadband omnidirectional antenna as claimed in claim 1, it is characterised in that：The half-wave dipole includes the first extremely son and the
Two is extremely sub；Described first extremely son is extremely sub into " L " font with second, and first extremely son and the second extremely sub- vertical arm of " L " font is put down
Between-line spacing is perpendicular to reflection unit surface；In " several " font, the two-arm of " several " word balun is connected to the first pole to the balun
Son and second extremely son on, one arm of balun extend be connected on cable.
4. broadband omnidirectional antenna as claimed in claim 1, it is characterised in that：Also include antenna house and mounting seat；The day
Antenna element is set in irdome；Mounting seat is arranged with antenna house.
5. broadband omnidirectional antenna as claimed in claim 4, it is characterised in that：Also include power splitter；The power splitter is arranged at
The middle part or bottom of antenna house.
6. the broadband omnidirectional antenna as described in claim 1-5 any one, it is characterised in that：The reflection unit prolongs along longitudinal direction
Stretch in long strip-board shape, be spaced multiple half-wave dipoles along longitudinal axis in reflection unit surface.
7. broadband omnidirectional antenna as claimed in claim 6, it is characterised in that：The both side surface of the reflection unit is correspondingly arranged
There is half-wave dipole.
8. broadband omnidirectional antenna as claimed in claim 7, it is characterised in that：In reflection unit both side surface along longitudinal axis
It is spaced 8 half-wave dipoles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621155861.8U CN206148623U (en) | 2016-10-31 | 2016-10-31 | Wide band omnidirectional antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621155861.8U CN206148623U (en) | 2016-10-31 | 2016-10-31 | Wide band omnidirectional antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206148623U true CN206148623U (en) | 2017-05-03 |
Family
ID=58622236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621155861.8U Expired - Fee Related CN206148623U (en) | 2016-10-31 | 2016-10-31 | Wide band omnidirectional antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206148623U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107508048A (en) * | 2017-07-10 | 2017-12-22 | 佛山市波谱达通信科技有限公司 | A kind of directional antenna arrangement |
| CN111584992A (en) * | 2019-02-19 | 2020-08-25 | 华为技术有限公司 | Radiation device and multi-band array antenna |
-
2016
- 2016-10-31 CN CN201621155861.8U patent/CN206148623U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107508048A (en) * | 2017-07-10 | 2017-12-22 | 佛山市波谱达通信科技有限公司 | A kind of directional antenna arrangement |
| CN111584992A (en) * | 2019-02-19 | 2020-08-25 | 华为技术有限公司 | Radiation device and multi-band array antenna |
| CN111584992B (en) * | 2019-02-19 | 2021-08-13 | 华为技术有限公司 | Radiation device and multi-band array antenna |
| US12113283B2 (en) | 2019-02-19 | 2024-10-08 | Huawei Technologies Co., Ltd. | Radiation apparatus and multi-band array antenna |
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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: 20170503 Termination date: 20201031 |