CN104466396A - Novel LTE dual polarization indoor distribution antenna - Google Patents

Novel LTE dual polarization indoor distribution antenna Download PDF

Info

Publication number
CN104466396A
CN104466396A CN201510004257.9A CN201510004257A CN104466396A CN 104466396 A CN104466396 A CN 104466396A CN 201510004257 A CN201510004257 A CN 201510004257A CN 104466396 A CN104466396 A CN 104466396A
Authority
CN
China
Prior art keywords
radiating doublet
antenna
dual polarization
fixed leg
reflecting plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201510004257.9A
Other languages
Chinese (zh)
Other versions
CN104466396B (en
Inventor
邱贵福
谭金生
林旺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHINA YOUKE COMMUNICATION TECHNOLOGY Co Ltd
Original Assignee
CHINA YOUKE COMMUNICATION TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CHINA YOUKE COMMUNICATION TECHNOLOGY Co Ltd filed Critical CHINA YOUKE COMMUNICATION TECHNOLOGY Co Ltd
Priority to CN201510004257.9A priority Critical patent/CN104466396B/en
Publication of CN104466396A publication Critical patent/CN104466396A/en
Application granted granted Critical
Publication of CN104466396B publication Critical patent/CN104466396B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention relates to a novel LTE dual polarization indoor distribution antenna. The novel LTE dual polarization indoor distribution antenna comprises a reflection plate, a first radiation oscillator and a second radiation oscillator; the first radiation oscillator is fixed to the reflection plate through a first fixing column, a first fastening screw and a first positioning pin, and the second radiation oscillator is fixed to the other side of the reflection plate through a second fixing column, a second fastening screw and a second positioning pin; feed points are arranged at the bottom of the first radiation oscillator and the bottom of the second radiation oscillator to be used for being connected with a feed cable; the first radiation oscillator and the second radiation oscillator conduct independent feeding to be used for forming dual-polarization dual-port output. By means of the novel LTE dual polarization indoor distribution antenna, the problems of space attenuation of high-frequency signals and unbalanced coverage of a traditional antenna can be solved, the coverage performance of TD-LTE is improved, the machining process of the oscillators is simplified, the production cost of the antenna is greatly reduced, and the novel LTE dual polarization indoor distribution antenna can be completely applied to various mobile communication systems.

Description

A kind of novel LTE dual polarization compartment antenna
Technical field
The present invention relates to wireless communication technology field, particularly a kind of novel LTE dual polarization compartment antenna.
Background technology
Along with the development of information technology, antenna technology is also at development, and simple antenna type can not meet present panoramic product needed in the past, and modern antennas technology is also experiencing dramatic change; Along with expanding economy, in city, high building density constantly increases, and underground installation is also on the increase, and causes the signal of mobile communication to be propagated and is had a strong impact on, thus forms many blind areas and the dead band of mobile communication.For expanding base station range, improve the quality of mobile communication, indoor covering system is set up in each city in succession.No matter be optical fiber, or the indoor covering system of antenna system, ceiling mount antenna is the indispensable important component part of system.
Tradition indoor distributed system antenna only supports single channel, cannot support multichannel MIMO transmission; And existing network room subsystem exists the problem of TDS/TDL covering power deficiency, this problem is caused by following reason: TDS/TDL belongs to the high-frequency signal of more than 2GHz, and spatial loss is compared with the GSM signal height 8dB of 900M; The antenna pattern of conventional chamber divided antenna is mainly for 900M frequency range optimal design, signal evenly spreads to surrounding, after access 2000M is with the signal of super band, although high-frequency gain is larger, but master gain direction is stronger towards terrestrial surface radiation, signal is poor to surrounding diffusion, and a large amount of signal energies is wasted in region immediately below antenna.The vertical plane radiation performance of traditional antenna TDS/TDL high-frequency signal, reaches 6.5dBi in the directive gain with ceiling 45 ° of angles; But with ceiling angle 15 ° of directions, antenna gain declines rapidly-1.8dBi, and beyond causing antenna radius 4 meters, region overlay quality declines fast.
Summary of the invention
In view of this, the object of this invention is to provide a kind of novel LTE dual polarization compartment antenna, be applicable to TDS/TDL system, can use in 800MHz ~ 2700MHz frequency range, can compatible CDMA, GSM, DCS, PCS, TDS, TDL, the various communication system such as WLAN, and in whole design frequency range, the covering power of novel room divided antenna is basically identical, thus make up the space attenuation of high-frequency signal and the unbalanced problem of covering of traditional antenna, promote the covering performance of TD-LTE, simplify the processing technology of oscillator, greatly reduce the production cost of antenna, there is high-gain, broadband, structure is simple, the characteristic such as cheap, perfection can apply to 2G/3G/4G mobile communication system.
The present invention adopts following scheme to realize: a kind of novel LTE dual polarization compartment antenna, comprises a reflecting plate, one first radiating doublet and one second radiating doublet; The first described radiating doublet is fixed on described reflecting plate by one first fixed leg, one first holding screw and one first alignment pin, and the second described radiating doublet is fixed on the opposite side of described reflecting plate by one second fixed leg, one second holding screw and one second alignment pin; Distributing point is equipped with, in order to be connected with feeder cable bottom the first described radiating doublet and the second described radiating doublet; Described first radiating doublet and the described independent feed of the second radiating doublet, export in order to form dual polarization dual-port.
Further, the metal shell of described reflecting plate to be hollow be cone dish, described reflecting plate top is a plane.
Further, described first radiating doublet and the second described radiating doublet are the thin plate of crescent shape, and the moon point of described crescent shape thin plate near reflecting plate side is provided with the distributing point be connected with feeder cable.
Further, described 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 object be attached on dielectric-slab, as printed substrate etc.
Further, described first radiating doublet and the second radiating doublet and described reflecting plate have one 45 ° of inclinations angle, and the first described radiating doublet is contrary with the second radiating doublet incline direction, in 90 ° of right-angled intersections;
Further, described room divided antenna is LTE bipolar omni-directional ceiling antenna.
Further, described first fixed leg and the second fixed leg are plastic column, and described first fixed leg and the second fixed leg two ends are equipped with position, hole, and the end thereof contacts face wherein contacted with radiating doublet is at 45 °.
Further, the first described fixed leg and the second fixed leg schedule on described reflecting plate respectively by one first holding screw and one second holding screw, and described first holding screw and the second holding screw are metallic object.
Further, the first described radiating doublet and the second radiating doublet are fixed on the first described fixed leg and the second fixed leg by one first alignment pin and one second alignment pin, described first alignment pin and described second alignment pin be T-shaped plastics screw.
Preferably, radiating doublet is fixed on fixed leg by the mode of hot melt by described T-shaped plastics screw.
Compared with prior art, the present invention has following outstanding advantages:
1, broadband, frequency can support 800MHz ~ 2700MHz; Can the various communication system such as perfect compatible CDMA, GSM, DCS, PCS, TDS, TDL, WLAN;
2, the independent feed of each unit and application, disturb little;
3, signal stabilization, gain high (Gain:> 3dBi), standing wave little (VSWR < 1.25);
4, make up the space attenuation of high-frequency signal and the unbalanced problem of covering of traditional antenna, promote the covering performance of TD-LTE,
5, structure simple, assemble simple and easy, cheap;
6, wideband, one-object-many-purposes is really realized, the object economized on resources.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is profile of the present invention.
primary clustering symbol description]
1 is distributing point for reflecting plate, 2 be the first radiating doublet, 3 be the second radiating doublet, 4 be the first fixed leg, 5 be the first holding screw, 6 be the first alignment pin, 7 be the second alignment pin, 8 be the second holding screw, 9 is the second fixed leg, 10.
Embodiment
Below in conjunction with drawings and Examples, the present invention will be further described.
As depicted in figs. 1 and 2, the present embodiment provides a kind of novel LTE dual polarization compartment antenna, comprises reflecting plate 1,1 first radiating doublet 2 and one second radiating doublet 3; The first described radiating doublet 2 is fixed on described reflecting plate 1 by one first fixed leg 4,1 first holding screw 5 and one first alignment pin 6, and the second described radiating doublet 3 is fixed on the opposite side of described reflecting plate 1 by one second fixed leg 9,1 second holding screw 8 and one second alignment pin 7; Distributing point 10 is equipped with, in order to be connected with feeder cable bottom the first described radiating doublet 2 and the second described radiating doublet 3; Described first radiating doublet 2 and the second described radiating doublet 3 feed separately, exports in order to form dual polarization dual-port.
In the present embodiment, described reflecting plate 1 for hollow be the metal shell of cone dish, described reflecting plate top is a plane.
In the present embodiment, described first radiating doublet 2 and the second described radiating doublet 3 are the thin plate of crescent shape, and the moon point of described crescent shape thin plate near reflecting plate side is provided with distributing point.
In the present embodiment, the metal object that described first radiating doublet 2 and the second described radiating doublet 3 are metal radiation body or are attached on dielectric-slab, as printed substrate etc.
In the present embodiment, described first radiating doublet 2 and the second radiating doublet 3 have one 45 ° of inclinations angle with described reflecting plate, and the first described radiating doublet is contrary with the second radiating doublet incline direction, in 90 ° of right-angled intersections.
In the present embodiment, described room divided antenna is LTE bipolar omni-directional ceiling antenna.
In the present embodiment, described fixed leg is plastic column, and described fixed leg two ends are equipped with position, hole, and the end thereof contacts face wherein contacted with radiating doublet is at 45 °.
In the present embodiment, the first described fixed leg and the second fixed leg schedule on described reflecting plate respectively by one first holding screw and one second holding screw, and described first holding screw and the second holding screw are metallic object.
In the present embodiment, the first described radiating doublet and the second radiating doublet are fixed on the first described fixed leg and the second fixed leg by one first alignment pin and one second alignment pin, described first alignment pin and described second alignment pin be T-shaped plastics screw.Preferably, radiating doublet is fixed on fixed leg by the mode of hot melt by described T-shaped plastics screw.
In order to better the present embodiment is described, be next further elaborated.
First, in order to obtain the endless conductor surface of coaxial line, introduce reflecting plate concept, i.e. reflecting plate 1; Described first radiating doublet 2, second radiating doublet 3 forms the waveguide transmission line of endless with reflecting plate 1 respectively.
Secondly, in order to make up the space attenuation of high-frequency signal and cover unbalanced problem, promote the covering performance of TD-LTE, reflecting plate 1 is the metallic object in cone dish, reflecting plate 1 top is a burnishing surface or other irregular plane, cone dish inside is emptied, and regular or irregular plane is slightly larger than the distance of two distributing points.
Moreover in order to realize broadband properties, increased by radiating doublet wavelength, the first radiating doublet 2 and the second radiating doublet 3 are 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 tilted 45 ° to be arranged on reflecting plate 1; First radiating doublet 2 is vertical in 90 ° of right-angled intersections with the second radiating doublet 3 interleaved, the independent feed of each radiating doublet, the bottom of distributing point is arranged on respectively " crescent shape " the first radiating doublet 2 and the second radiating doublet 3, forms dual polarization dual-port and exports.
Finally, feed and the application separately of described first radiating doublet 2 and the second radiating doublet 3, by regulating size, the spacing of the first radiating doublet 2, second radiating doublet 3, all technical indicators of antenna (gain, directional diagram, standing wave etc.) can be made to control in technical requirement.
The foregoing is only preferred embodiment of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.

Claims (10)

1. a novel LTE dual polarization compartment antenna, is characterized in that: comprise a reflecting plate, one first radiating doublet and one second radiating doublet; The first described radiating doublet is fixed on described reflecting plate by one first fixed leg, one first holding screw and one first alignment pin, and the second described radiating doublet is fixed on the opposite side of described reflecting plate by one second fixed leg, one second holding screw and one second alignment pin; Distributing point is equipped with, in order to be connected with feeder cable bottom the first described radiating doublet and the second described radiating doublet; Described first radiating doublet and the described independent feed of the second radiating doublet, export in order to form dual polarization dual-port.
2. the novel LTE dual polarization compartment antenna of one according to claim 1, is characterized in that: the metal shell of described reflecting plate to be hollow be cone dish, described reflecting plate top is a plane.
3. the novel LTE dual polarization compartment antenna of one according to claim 1, it is characterized in that: described first radiating doublet and the second described radiating doublet are the thin plate of crescent shape, the moon point of described crescent shape thin plate near reflecting plate side is provided with described distributing point.
4. the novel LTE dual polarization compartment antenna of one according to claim 1, is characterized in that: described first radiating doublet and the second described radiating doublet are metal radiation body.
5. the novel LTE dual polarization compartment antenna of one according to claim 1, is characterized in that: described first radiating doublet and the second described radiating doublet are the metal object be attached on dielectric-slab.
6. the novel LTE dual polarization compartment antenna of one according to claim 1, it is characterized in that: described first radiating doublet and the second radiating doublet and described reflecting plate have one 45 ° of inclinations angle, and the first described radiating doublet is contrary with the second radiating doublet incline direction, in 90 ° of right-angled intersections.
7. the novel LTE dual polarization compartment antenna of one according to claim 1, is characterized in that: described room divided antenna is LTE bipolar omni-directional ceiling antenna.
8. the novel LTE dual polarization compartment antenna of one according to claim 1, it is characterized in that: described first fixed leg and the second fixed leg are plastic column, described first fixed leg and the second fixed leg two ends are equipped with position, hole, and the end thereof contacts face wherein contacted with radiating doublet is at 45 °.
9. the novel LTE dual polarization compartment antenna of one according to claim 1, it is characterized in that: the first described fixed leg and the second fixed leg schedule on described reflecting plate respectively by one first holding screw and one second holding screw, and described first holding screw and the second holding screw are metallic object.
10. the novel LTE dual polarization compartment antenna of one according to claim 1, it is characterized in that: the first described radiating doublet and the second radiating doublet are fixed on the first described fixed leg and the second fixed leg by one first alignment pin and one second alignment pin, described first alignment pin and described second alignment pin be T-shaped plastics screw.
CN201510004257.9A 2015-01-06 2015-01-06 A kind of new LTE dual polarization compartment antennas Active CN104466396B (en)

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

Applications Claiming Priority (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

Publications (2)

Publication Number Publication Date
CN104466396A true CN104466396A (en) 2015-03-25
CN104466396B CN104466396B (en) 2017-06-20

Family

ID=52912048

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510004257.9A Active CN104466396B (en) 2015-01-06 2015-01-06 A kind of new LTE dual polarization compartment antennas

Country Status (1)

Country Link
CN (1) CN104466396B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN110637392A (en) * 2017-02-28 2019-12-31 株式会社Kmw Dual-polarized omnidirectional antenna and base station comprising same
US10707579B2 (en) 2014-07-10 2020-07-07 Nokia Technologies Oy Apparatus and methods for wireless communication

Citations (5)

* Cited by examiner, † Cited by third party
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
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10707579B2 (en) 2014-07-10 2020-07-07 Nokia Technologies Oy Apparatus and methods for wireless communication
CN110637392A (en) * 2017-02-28 2019-12-31 株式会社Kmw Dual-polarized omnidirectional antenna and base station comprising same
US11114772B2 (en) 2017-02-28 2021-09-07 Kmw Inc. Dual polarized omni-directional antenna and base station including same
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

Also Published As

Publication number Publication date
CN104466396B (en) 2017-06-20

Similar Documents

Publication Publication Date Title
KR100269584B1 (en) Low sidelobe double polarization directional antenna with chalk reflector
CN101694904B (en) All-around top absorbing antenna used in indoor distribution system of mobile communication network
US10727607B2 (en) Horn antenna
US10186777B2 (en) Ultra-wideband miniaturized crossed circularly-polarized antenna
US20190288406A1 (en) Antenna feed structure and base station antenna
CN104466396A (en) Novel LTE dual polarization indoor distribution antenna
CN102110908A (en) TD-LTE (Time Division-Long Term Evolution) indoor dual-polarized antenna
CN103490175A (en) Integrated base station antenna
CN105356070A (en) Dual-band co-aperture array antenna
CN105789871A (en) Low-profile planar dipole antenna suitable for 4G LTE communication
CN103401068B (en) High-gain wideband stereoscopic slot Yagi antenna
CN207303347U (en) A kind of new spread wideband antenna for base station
CN208690490U (en) A kind of circular polarized antenna slotted over the ground based on co-planar waveguide
CN204375957U (en) A kind of novel LTE dual polarization compartment antenna
CN208028207U (en) A kind of double broadband base station antennas
CN204375976U (en) A kind of low section pectination network array antenna for base station
CN104993245A (en) S-waveband communication-in-motion double-frequency circularly polarized micro-strip antenna and array thereof
CN107799886A (en) A kind of new spread wideband antenna for base station
CN103337712A (en) An antenna radiation unit and an electricity feeding method
CN204289717U (en) Dual polarization oblique wave beam waveguide slot array antenna
CN101702466B (en) High-gain wide-frequency band omni antenna
CN110676579A (en) Plane spread spectrum broadband base station antenna
CN105161848A (en) Elliptical slot circularly-polarized microstrip antenna
CN206332164U (en) Ku band antenna cap feeds
CN104051848A (en) Intelligent vertical scanning antenna

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant