CN104466396B - A kind of new LTE dual polarization compartment antennas - Google Patents
A kind of new LTE dual polarization compartment antennas Download PDFInfo
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- CN104466396B CN104466396B CN201510004257.9A CN201510004257A CN104466396B CN 104466396 B CN104466396 B CN 104466396B CN 201510004257 A CN201510004257 A CN 201510004257A CN 104466396 B CN104466396 B CN 104466396B
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- radiating doublet
- fixed column
- reflecting plate
- dual polarization
- fastening screw
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Abstract
The present invention relates to a kind of new LTE dual polarization compartment antennas, including a reflecting plate, one first radiating doublet and one second radiating doublet；The first described radiating doublet is fixed on the reflecting plate by one first fixed column, one first fastening screw and one first alignment pin, and the second described radiating doublet is fixed on the opposite side of the reflecting plate by one second fixed column, one second fastening screw and one second alignment pin；Described the first radiating doublet and the second described radiating doublet bottom is equipped with distributing point, to be connected with feed cable；First radiating doublet and the second described radiating doublet individually feed, and are used to form the output of dual polarization dual-port.The present invention can make up the unbalanced problem of the covering of space attenuation and traditional antenna of high-frequency signal, the covering performance of lifting TD LTE, simplify the processing technology of oscillator, greatly reduce the production cost of antenna, can perfection apply to all kinds of GSMs.
Description
Technical field
The present invention relates to wireless communication technology field, particularly a kind of new LTE dual polarization compartment antennas.
Background technology
With the development of information technology, antenna technology is also evolving, and simple antenna type could not in the past
Meet panoramic product needed now, modern antennas technology is also experiencing dramatic change；Along with expanding economy, city
High building density constantly increases in city, and underground installation is also on the increase, and causes the signal of mobile communication to be propagated and is severely impacted, from
And form many blind areas and dead band of mobile communication.To expand base station range, the quality of mobile communication, in-door covering are improved
System is set up in each city in succession.The indoor covering system of either optical fiber, or antenna system, ceiling mount antenna is
The indispensable important component of system.
Traditional indoor distributed system antenna only supports single channel, it is impossible to support multichannel MIMO transmission；And existing network room subsystem
There is a problem of that TDS/TDL covering powers are not enough, the problem is caused by following reason：TDS/TDL belongs to the high frequency of more than 2GHz
Signal, spatial is lost the GSM signals 8dB high compared with 900M；The antenna pattern of conventional chamber divided antenna mainly for 900M frequently
Section optimization design, signal uniformly spreads to surrounding, after 2000M is accessed with the signal of super band, although high-frequency gain is larger,
Master gain direction is stronger towards terrestrial surface radiation, and signal is poor to surrounding diffusion, and substantial amounts of signal energy is wasted in area immediately below antenna
Domain.The vertical plane radiation performance of traditional antenna TDS/TDL high-frequency signals, reaches in the directive gain with 45 ° of angles of ceiling
6.5dBi；But with 15 ° of directions of ceiling angle, antenna gain declines rapidly -1.8dBi, causes 4 meters of antenna radius with outskirt
Domain covering quality rapid decrease.
The content of the invention
In view of this, it is an object of the invention to provide a kind of new LTE dual polarization compartment antennas, it is adaptable to TDS/TDL systems
System, can use in 800MHz ~ 2700MHz frequency ranges, can compatibility CDMA, GSM, DCS, PCS, TDS, TDL, WLAN etc. are various leads to
Letter system, and in whole design frequency range, the covering power of new room divided antenna is basically identical, so as to make up the sky of high-frequency signal
Between decay and traditional antenna the unbalanced problem of covering, lifted TD-LTE covering performance, simplify the processing technology of oscillator, greatly
The big production cost for reducing antenna, with high-gain, the characteristic such as broadband, simple structure, cheap, can perfection apply to
2G/3G/4G GSMs.
The present invention is realized using following scheme：A kind of new LTE dual polarization compartment antennas, including a reflecting plate, one first
Radiating doublet and one second radiating doublet；The first described radiating doublet passes through one first fixed column, one first fastening screw
And one first alignment pin be fixed on the reflecting plate, described the second radiating doublet passes through one second fixed column, one second
Fastening screw and one second alignment pin are fixed on the opposite side of the reflecting plate；Described the first radiating doublet and described
Second radiating doublet bottom is equipped with distributing point, to be connected with feed cable；First radiating doublet and described second
Radiating doublet individually feeds, and is used to form the output of dual polarization dual-port.
Further, the reflecting plate is the hollow metal shell in cone disk, and the reflecting plate top is a plane.
Further, first radiating doublet and the second described radiating doublet are the thin plate of crescent shape, the crescent moon
Moon point of the shape thin plate near reflecting plate side is provided with the distributing point being connected with feed cable.
Further, first radiating doublet and the second described radiating doublet are metal radiation body.
Further, the first described radiating doublet and the second described radiating doublet are the metal being attached on dielectric-slab
Object, such as printed substrate.
Further, first radiating doublet and the second radiating doublet have one 45 ° of inclinations angle with described reflecting plate,
And described the first radiating doublet and the second radiating doublet incline direction is conversely, be in 90 ° of right-angled intersections；
Further, described room divided antenna is LTE bipolar omni-directional ceiling antennas.
Further, first fixed column and the second fixed column are plastic column, and first fixed column is fixed with second
Post two ends are equipped with hole position, wherein the end thereof contacts face contacted with radiating doublet is at 45 °.
Further, the first described fixed column is tight with one second by one first fastening screw respectively with the second fixed column
Due on the reflecting plate, Gu first fastening screw is metallic object to screw with the second fastening screw.
Further, the first described radiating doublet and the second radiating doublet are by one first alignment pin and one second positioning
Pin is fixed in the first described fixed column and the second fixed column, first alignment pin and second alignment pin be T
Plastic screw.
It is preferred that be fixed on radiating doublet in fixed column by way of hot melt by described T-shaped plastics screw.
Compared with prior art, the present invention has advantage following prominent：
1st, broadband, frequency can support 800MHz ~ 2700MHz；Can perfect compatibility CDMA, GSM, DCS, PCS, TDS, TDL,
The various communication systems such as WLAN；
2nd, each unit individually feeds and applies, and disturbs small；
3rd, signal stabilization, high gain（Gain:＞ 3dBi）, standing wave it is small（VSWR ＜ 1.25）；
4th, the unbalanced problem of the covering of space attenuation and traditional antenna of high-frequency signal is made up, the spreadability of TD-LTE is lifted
Can,
5th, simple structure, assembling are simple, cheap；
6th, wideband, one-object-many-purposes are really realized, the purpose for economizing on resources.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 is profile of the invention.
Primary clustering symbol description]
1 be reflecting plate, 2 be the first radiating doublet, 3 be the second radiating doublet, 4 be the first fixed column, 5 be first fastening spiral shell
Silk, 6 be the first alignment pin, 7 be the second alignment pin, 8 be the second fastening screw, 9 be the second fixed column, 10 be distributing point.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment the present invention will be further described.
As depicted in figs. 1 and 2, the present embodiment provides a kind of new LTE dual polarization compartment antennas, including a reflecting plate 1,
First radiating doublet 2 and one second radiating doublet 3；The first described radiating doublet 2 passes through one first fixed column 4, one first
The alignment pin 6 of fastening screw 5 and 1 first is fixed on the reflecting plate 1, and the second described radiating doublet 3 is consolidated by one second
Fixed column 9, one second fastening screw 8 and one second alignment pin 7 are fixed on the opposite side of the reflecting plate 1；The first described spoke
Penetrate oscillator 2 and the described bottom of the second radiating doublet 3 is equipped with distributing point 10, to be connected with feed cable；First spoke
Oscillator 2 and the second described radiating doublet 3 individually feed are penetrated, is used to form the output of dual polarization dual-port.
In the present embodiment, the reflecting plate 1 is the hollow metal shell in cone disk, and the reflecting plate top is flat for one
Face.
In the present embodiment, first radiating doublet 2 and the second described radiating doublet 3 are the thin plate of crescent shape, institute
State moon point of the crescent shape thin plate near reflecting plate side and be provided with distributing point.
In the present embodiment, first radiating doublet 2 and the second described radiating doublet 3 are metal radiation body or attached
The metal object on dielectric-slab, such as printed substrate.
In the present embodiment, the radiating doublet 3 of first radiating doublet 2 and second has one 45 ° with described reflecting plate
Inclination angle, and described the first radiating doublet and the second radiating doublet incline direction is conversely, be in 90 ° of right-angled intersections.
In the present embodiment, described room divided antenna is LTE bipolar omni-directional ceiling antennas.
In the present embodiment, the fixed column is plastic column, and the fixed column two ends are equipped with hole position, wherein being shaken with radiation
The end thereof contacts face of son contact is at 45 °.
In the present embodiment, the first described fixed column and the second fixed column are respectively by one first fastening screw and one the
Due on the reflecting plate, first fastening screw is metallic object to two fastening screws with the second fastening screw.
In the present embodiment, the first described radiating doublet and the second radiating doublet pass through one first alignment pin and one second
Alignment pin is fixed in the first described fixed column and the second fixed column, first alignment pin and second alignment pin with it is equal
It is T-shaped plastics screw.It is preferred that be fixed on radiating doublet in fixed column by way of hot melt by described T-shaped plastics screw.
In order to the present embodiment is better described, followed by being expanded on further.
First, in order to obtain the endless conductor surface of coaxial line, reflecting plate concept, i.e. reflecting plate 1 are introduced；First spoke
Penetrate the waveguide transmission line that oscillator 2, the second radiating doublet 3 form endless with reflecting plate 1 respectively.
Secondly, in order to make up the space attenuation of high-frequency signal and cover unbalanced problem, the covering performance of TD-LTE is lifted,
Reflecting plate 1 is the metallic object in cone disk, and the top of reflecting plate 1 is a burnishing surface or other irregular planes, is emptied inside cone disk,
Regular or irregular plane is slightly larger than the distance of two distributing points.
Furthermore, in order to realize broadband properties, radiating doublet wavelength is increased, the first radiating doublet 2 and the second radiating doublet 3
In " crescent shape ".
In addition, in order to obtain ± 45 ° of two polarization modes, the first radiating doublet 2 and the second radiating doublet 3 are inclined into 45 °
It is arranged on reflecting plate 1；First radiating doublet 2 and the interleaved of the second radiating doublet 3 and be in vertically 90 ° of right-angled intersections, each
Radiating doublet individually feeds, and distributing point is respectively arranged on the bottom of " crescent shape " the first radiating doublet 2 and the second radiating doublet 3
Portion, forms the output of dual polarization dual-port.
Finally, individually feed and the application of the radiating doublet 3 of first radiating doublet 2 and second, is radiated by regulation first
Size, the spacing of oscillator 2, the second radiating doublet 3, can make all technical indicators of antenna（Gain, directional diagram, standing wave etc.）Control
In technical requirements.
The foregoing is only presently preferred embodiments of the present invention, all impartial changes done according to scope of the present invention patent with
Modification, should all belong to covering scope of the invention.
Claims (8)
1. a kind of new LTE dual polarization compartment antennas, it is characterised in that：Including a reflecting plate, one first radiating doublet and
Second radiating doublet；The first described radiating doublet is by one first fixed column, one first fastening screw and one first positioning
Pin is fixed on the reflecting plate, and the second described radiating doublet passes through one second fixed column, one second fastening screw and
Second alignment pin is fixed on the opposite side of the reflecting plate；The first described radiating doublet and the second described radiating doublet bottom
Portion is equipped with distributing point, to be connected with feed cable；First radiating doublet and the second described radiating doublet are individually presented
Electricity, is used to form the output of dual polarization dual-port；
The reflecting plate is the hollow metal shell in cone disk, and the reflecting plate top is a plane；
First radiating doublet and the second described radiating doublet are the thin plate of crescent shape, and the crescent shape thin plate is near anti-
The moon point for penetrating plate side is provided with the distributing point.
2. a kind of new LTE dual polarization compartment antennas according to claim 1, it is characterised in that：First radiation is shaken
The second sub and described radiating doublet is metal radiation body.
3. a kind of new LTE dual polarization compartment antennas according to claim 1, it is characterised in that：First radiation is shaken
The second sub and described radiating doublet is the metal object being attached on dielectric-slab.
4. a kind of new LTE dual polarization compartment antennas according to claim 1, it is characterised in that：First radiation is shaken
Son has one 45 ° of inclinations angle with the second radiating doublet and described reflecting plate, and described the first radiating doublet and second is radiated
Oscillator incline direction is conversely, be in 90 ° of right-angled intersections.
5. a kind of new LTE dual polarization compartment antennas according to claim 1, it is characterised in that：Described room divided antenna
It is LTE bipolar omni-directional ceiling antennas.
6. a kind of new LTE dual polarization compartment antennas according to claim 1, it is characterised in that：First fixed column
Be plastic column with the second fixed column, first fixed column and the second fixed column two ends are equipped with hole position, wherein with radiating doublet
The end thereof contacts face of contact is at 45 °.
7. a kind of new LTE dual polarization compartment antennas according to claim 1, it is characterised in that：The first described fixation
Post and the second fixed column are scheduled on the reflecting plate by one first fastening screw with one second fastening screw respectively, and described first
Fastening screw is metallic object with the second fastening screw.
8. a kind of new LTE dual polarization compartment antennas according to claim 1, it is characterised in that：The first described radiation
Oscillator and the second radiating doublet are fixed on described the first fixed column and second by one first alignment pin and one second alignment pin
In fixed column, first alignment pin and second alignment pin be T-shaped plastics screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510004257.9A CN104466396B (en) | 2015-01-06 | 2015-01-06 | A kind of new LTE dual polarization compartment antennas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510004257.9A CN104466396B (en) | 2015-01-06 | 2015-01-06 | A kind of new LTE dual polarization compartment antennas |
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| Publication Number | Publication Date |
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| CN104466396A CN104466396A (en) | 2015-03-25 |
| CN104466396B true CN104466396B (en) | 2017-06-20 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2528248A (en) | 2014-07-10 | 2016-01-20 | Nokia Technologies Oy | Apparatus and methods for wireless communication |
| CN106252823A (en) * | 2016-08-30 | 2016-12-21 | 广东通宇通讯股份有限公司 | A kind of antenna |
| KR102633242B1 (en) * | 2017-02-28 | 2024-02-06 | 주식회사 케이엠더블유 | Dual polarized omni-directional antenna for mobile communication service |
| CN107732412A (en) * | 2017-09-20 | 2018-02-23 | 广东盛路通信科技股份有限公司 | Built-in multifrequency dual polarization split indoor omnidirectional antenna |
| CN112713380B (en) * | 2020-12-24 | 2022-04-22 | 中国电子科技集团公司第三十八研究所 | Airborne radar antenna element wedge locking structure |
Citations (5)
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|---|---|---|---|---|
| CN102117973A (en) * | 2010-12-30 | 2011-07-06 | 摩比天线技术（深圳）有限公司 | Dual-polarized indoor distributed antenna |
| CN202282445U (en) * | 2011-11-10 | 2012-06-20 | 武汉虹信通信技术有限责任公司 | Dual polarization compartment antenna |
| CN103280626A (en) * | 2013-04-28 | 2013-09-04 | 广东通宇通讯股份有限公司 | Dual-broadband and dual-polarization omni-directional ceiling antenna |
| JP2014165599A (en) * | 2013-02-22 | 2014-09-08 | Softbank Mobile Corp | Directional antenna and small cell base station |
| CN204375957U (en) * | 2015-01-06 | 2015-06-03 | 中邮科通信技术股份有限公司 | A kind of novel LTE dual polarization compartment antenna |
-
2015
- 2015-01-06 CN CN201510004257.9A patent/CN104466396B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102117973A (en) * | 2010-12-30 | 2011-07-06 | 摩比天线技术（深圳）有限公司 | Dual-polarized indoor distributed antenna |
| CN202282445U (en) * | 2011-11-10 | 2012-06-20 | 武汉虹信通信技术有限责任公司 | Dual polarization compartment antenna |
| JP2014165599A (en) * | 2013-02-22 | 2014-09-08 | Softbank Mobile Corp | Directional antenna and small cell base station |
| CN103280626A (en) * | 2013-04-28 | 2013-09-04 | 广东通宇通讯股份有限公司 | Dual-broadband and dual-polarization omni-directional ceiling antenna |
| CN204375957U (en) * | 2015-01-06 | 2015-06-03 | 中邮科通信技术股份有限公司 | A kind of novel LTE dual polarization compartment antenna |
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| CN104466396A (en) | 2015-03-25 |
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