CN105186106A - Multiple input multiple output (MIMO) antenna - Google Patents
Multiple input multiple output (MIMO) antenna Download PDFInfo
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- CN105186106A CN105186106A CN201510603028.9A CN201510603028A CN105186106A CN 105186106 A CN105186106 A CN 105186106A CN 201510603028 A CN201510603028 A CN 201510603028A CN 105186106 A CN105186106 A CN 105186106A
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- frequency oscillator
- high frequency
- mimo antenna
- low
- reflecting plate
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- 239000000758 substrate Substances 0.000 claims abstract description 22
- 230000008054 signal transmission Effects 0.000 abstract description 5
- 238000002955 isolation Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000005204 segregation Methods 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
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Abstract
An MIMO antenna disclosed by the present invention comprises a substrate, a high frequency oscillator, a low frequency oscillator, a reflecting plate and a demultiplexer. The low frequency oscillator and the high frequency oscillator are located above the substrate, the low frequency oscillator is connected with one input end of the demultiplexer, and the high frequency oscillator is connected with the reflecting plate and then is connected with one input end of the demultiplexer. The demultiplexer is installed on the substrate, and the output end of the demultiplexer is equipped with a connector. According to the present invention, the high frequency oscillator and the low frequency oscillator are arranged to receive the signals of different frequency bands respectively, the signals between the high frequency oscillator and the low frequency oscillator do not interfere each other, the needless signals can be isolated, and the size of a product can be reduced, thereby obtaining a good voltage standing wave ratio and a higher signal isolation degree, and also being able to realize a very low intermodulation value. The MIMO antenna of the present invention is simple in structure and low in cost. In addition, according to the present invention, the reflecting plate is connected with the high frequency oscillator, so that the gain performance of the MIMO antenna can be enhanced, and the signal transmission quality of the MIMO antenna is improved.
Description
Technical field
The present invention relates to field of antenna, particularly a kind of mimo antenna.
Background technology
At present, wireless communication field is just towards Large Copacity, two-forty, the fast development of high reliability direction, in the face of limited frequency spectrum resource, enter to have more (MultipleInputMultipleOutput, MIMO) technology become increase message capacity and improve the most important technological means of the availability of frequency spectrum more.The theory restriction of the compatible capacity of MIMO technological break-through, to it has been generally acknowledged that disadvantageous multipath fading is transformed into favorable factor, make full use of decay immediately with the multipath transmisstion that may exist to improve wireless data transmission rate, the level making the capacity of wireless transmission reach wire transmission becomes possibility.
Multi-antenna technology is adopted in mimo system, in order to ensure the independence between multiple transceiver channel, higher isolation between antennas must be possessed between each antenna in multi-antenna array, otherwise there will be the phenomenon of signal disturbing, and the structure of mimo antenna can be caused comparatively complicated in order to ensure isolation between antennas, cost is high.
Summary of the invention
The invention provides a kind of mimo antenna, to solve the above-mentioned technical problem existed in prior art.
For solving the problems of the technologies described above, the invention provides a kind of mimo antenna, comprise: substrate, high frequency oscillator, low-frequency vibrator, reflecting plate and splitter, wherein, described low-frequency vibrator and high frequency oscillator are positioned at described surface, described low-frequency vibrator is connected with an input of described splitter, is connected after described high frequency oscillator is connected with reflecting plate with an input of described splitter, and described splitter installs on the substrate and the output of described splitter is provided with connector.
As preferably, described high frequency oscillator is connected by earth connection with between described reflecting plate.
As preferably, described high frequency oscillator is also connected by isolated tube with between described reflecting plate.
As preferably, described reflecting plate is connected with described substrate by isolated tube.
As preferably, described low-frequency vibrator is arranged on described surface by isolated tube.
As preferably, described connector is connected with described splitter by cable.
As preferably, described connector is directly connected with splitter.
As preferably, the reception frequency range of described high frequency oscillator is 1710-2700MHz, and the reception frequency range of described low-frequency vibrator is 698-960MHz.
As preferably, also comprise radome, described radome is threaded with described substrate.
As preferably, also comprise bracket and mounting bracket, one end of described mounting bracket is fixed on described base plate bottom by described bracket, and the other end of described mounting bracket is provided with connecting hole.
Compared with prior art, the present invention has the following advantages: the present invention is by arranging high frequency oscillator and low-frequency vibrator, receive the signal of different frequency range respectively, signal between the two there will not be interference, and unwanted signal can be kept apart, and can product size be reduced, obtain the Signal segregation degree that good voltage standing wave(VSW) is when higher, very low intermodulation value can also be realized.This mimo antenna structure is simple, with low cost.In addition, the present invention, by arranging reflecting plate and described high frequency vibrating sub-connection, can strengthen the incremental of mimo antenna, improves the signal transmission quality of mimo antenna.
Accompanying drawing explanation
Fig. 1 is the structural representation of mimo antenna in the embodiment of the invention.
Shown in figure: 100-substrate, 200-high frequency oscillator, 210-earth connection, 220-isolated tube, 300-low-frequency vibrator, 400-reflecting plate, 500-splitter, 600-bracket, 700-mounting bracket, 800-cable, 900-connector, 110-radome.
Embodiment
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, are described in detail the specific embodiment of the present invention below in conjunction with accompanying drawing.It should be noted that, accompanying drawing of the present invention all adopts the form of simplification and all uses non-ratio accurately, only in order to object that is convenient, the aid illustration embodiment of the present invention lucidly.
As shown in Figure 1, mimo antenna of the present invention, comprise: substrate 100, high frequency oscillator 200, low-frequency vibrator 300, reflecting plate 400 and splitter 500, wherein, described low-frequency vibrator 300 and high frequency oscillator 200 are arranged at above described substrate 100, described low-frequency vibrator 300 is connected with an input of described splitter 500, be connected with another input of described splitter 500 after described high frequency oscillator 200 is connected with reflecting plate 400, described splitter 500 is arranged on described substrate 100 and the output of described splitter 500 is provided with connector 900.By arranging high frequency oscillator 200 and low-frequency vibrator 300, receive the signal of different frequency range respectively, signal between the two there will not be interference, and unwanted signal can be kept apart, and can product size be reduced, obtain the Signal segregation degree that good voltage standing wave(VSW) is when higher, very low intermodulation value can also be realized, structure is simple, with low cost.In addition, the present invention is connected with described high frequency oscillator 200 by arranging reflecting plate 400, can strengthen the incremental of mimo antenna, improves the signal transmission quality of mimo antenna.Described connector 900 for external connected electronic equipment, thus is electronic equipment service.
As preferably, be connected by earth connection 210 between described high frequency oscillator 200 with described reflecting plate 400, the electric charge that high frequency oscillator 200 exists can be derived, guarantee signal transmission quality.
Described splitter 500 can reduce oscillator size and overall product bulk; Isolate unnecessary frequency range; Loss of signal is low; Obtain lower intermodulation value.
Continue with reference to Fig. 1, be also connected by isolated tube 220 between described high frequency oscillator 200 with described reflecting plate 400, described reflecting plate 400 is connected with described substrate 100 by isolated tube 220; Similarly, described low-frequency vibrator 300 is arranged on above described substrate 100 by isolated tube 220.
As preferably, described connector 900 can be connected with described splitter 500 by cable 800, also can directly be connected with splitter 500, the reception frequency range of described high frequency oscillator 200 is 1710-2700MHz, the reception frequency range of described low-frequency vibrator 300 is 698-960MHz, because two reception frequency range differences are more, therefore can isolate most interference signal, avoid receiving unwanted signal.
Continue referring to Fig. 1, the present invention also comprises radome 110, bracket 600 and mounting bracket 700, and described radome 110 is threaded with described substrate 100; One end of described mounting bracket 700 is fixed on bottom described substrate 100 by described bracket 600, and the other end of described mounting bracket 700 is provided with connecting hole, for other equipment connections, be convenient to fixing and mobile described mimo antenna.
In sum, mimo antenna of the present invention, comprise: substrate 100, high frequency oscillator 200, low-frequency vibrator 300, reflecting plate 400 and splitter 500, wherein, described low-frequency vibrator 300 and high frequency oscillator 200 are positioned at above described substrate 100, described low-frequency vibrator 300 is connected with an input of described splitter 500, be connected with an input of described splitter 500 after described high frequency oscillator 200 is connected with reflecting plate 400, described splitter 500 is arranged on described substrate 100 and the output of described splitter 500 is provided with connector 900.The present invention is by arranging high frequency oscillator 200 and low-frequency vibrator 300, receive the signal of different frequency range respectively, signal between the two there will not be interference, and unwanted signal can be kept apart, and can product size be reduced, obtain the Signal segregation degree that good voltage standing wave(VSW) is when higher, very low intermodulation value can also be realized, structure is simple, with low cost.In addition, the present invention is connected with described high frequency oscillator 200 by arranging reflecting plate 400, can strengthen the incremental of mimo antenna, improves the signal transmission quality of mimo antenna.
Obviously, those skilled in the art can carry out various change and modification to invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. a mimo antenna, it is characterized in that, comprise: substrate, high frequency oscillator, low-frequency vibrator, reflecting plate and splitter, wherein, described low-frequency vibrator and high frequency oscillator are positioned at described surface, described low-frequency vibrator is connected with an input of described splitter, is connected after described high frequency oscillator is connected with reflecting plate with an input of described splitter, and described splitter installs on the substrate and the output of described splitter is provided with connector.
2. mimo antenna as claimed in claim 1, it is characterized in that, described high frequency oscillator is connected by earth connection with between described reflecting plate.
3. mimo antenna as claimed in claim 2, it is characterized in that, described high frequency oscillator is also connected by isolated tube with between described reflecting plate.
4. mimo antenna as claimed in claim 1, it is characterized in that, described reflecting plate is connected with described substrate by isolated tube.
5. mimo antenna as claimed in claim 1, it is characterized in that, described low-frequency vibrator is arranged on described surface by isolated tube.
6. mimo antenna as claimed in claim 1, it is characterized in that, described connector is connected with described splitter by cable.
7. mimo antenna as claimed in claim 1, it is characterized in that, the reception frequency range of described high frequency oscillator is 1710-2700MHz, and the reception frequency range of described low-frequency vibrator is 698-960MHz.
8. mimo antenna as claimed in claim 1, it is characterized in that, described connector is directly connected with described splitter.
9. mimo antenna as claimed in claim 1, it is characterized in that, also comprise radome, described radome is threaded with described substrate.
10. mimo antenna as claimed in claim 1, it is characterized in that, also comprise bracket and mounting bracket, one end of described mounting bracket is fixed on described base plate bottom by described bracket, and the other end of described mounting bracket is provided with connecting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510603028.9A CN105186106A (en) | 2015-09-21 | 2015-09-21 | Multiple input multiple output (MIMO) antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510603028.9A CN105186106A (en) | 2015-09-21 | 2015-09-21 | Multiple input multiple output (MIMO) antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105186106A true CN105186106A (en) | 2015-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510603028.9A Pending CN105186106A (en) | 2015-09-21 | 2015-09-21 | Multiple input multiple output (MIMO) antenna |
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| Country | Link |
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| CN (1) | CN105186106A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110323577A (en) * | 2018-03-29 | 2019-10-11 | 江苏吴通物联科技有限公司 | A kind of double outlet high-gain omni-directional antennas of small sized double frequency |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2505992Y (en) * | 2001-07-27 | 2002-08-14 | 台湾骏炎科技股份有限公司 | Dual Polarization Slot Dipole Array Antenna |
| CN2935504Y (en) * | 2006-08-18 | 2007-08-15 | 华为技术有限公司 | A base station array antenna |
| CN201570582U (en) * | 2009-07-10 | 2010-09-01 | 全一电子股份有限公司 | Structure improvement of outdoor antenna receiving device |
| CN101834345A (en) * | 2010-05-17 | 2010-09-15 | 京信通信系统（中国）有限公司 | Ultra-wide band antenna and single-polarized and dual-polarized radiating elements thereof |
| CN101895014A (en) * | 2010-07-13 | 2010-11-24 | 京信通信系统（中国）有限公司 | Double-frequency broadband wall-mounted antenna |
| US20140266420A1 (en) * | 2013-03-15 | 2014-09-18 | Dockon Ag | Logarithmic amplifier with universal demodulation capabilities |
-
2015
- 2015-09-21 CN CN201510603028.9A patent/CN105186106A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2505992Y (en) * | 2001-07-27 | 2002-08-14 | 台湾骏炎科技股份有限公司 | Dual Polarization Slot Dipole Array Antenna |
| CN2935504Y (en) * | 2006-08-18 | 2007-08-15 | 华为技术有限公司 | A base station array antenna |
| CN201570582U (en) * | 2009-07-10 | 2010-09-01 | 全一电子股份有限公司 | Structure improvement of outdoor antenna receiving device |
| CN101834345A (en) * | 2010-05-17 | 2010-09-15 | 京信通信系统（中国）有限公司 | Ultra-wide band antenna and single-polarized and dual-polarized radiating elements thereof |
| CN101895014A (en) * | 2010-07-13 | 2010-11-24 | 京信通信系统（中国）有限公司 | Double-frequency broadband wall-mounted antenna |
| US20140266420A1 (en) * | 2013-03-15 | 2014-09-18 | Dockon Ag | Logarithmic amplifier with universal demodulation capabilities |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110323577A (en) * | 2018-03-29 | 2019-10-11 | 江苏吴通物联科技有限公司 | A kind of double outlet high-gain omni-directional antennas of small sized double frequency |
| CN110323577B (en) * | 2018-03-29 | 2024-12-13 | 江苏吴通物联科技有限公司 | A small dual-frequency dual-line high-gain omnidirectional antenna |
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Application publication date: 20151223 |