CN208570921U - A kind of mimo antenna structure based on the 5th third-generation mobile communication - Google Patents
A kind of mimo antenna structure based on the 5th third-generation mobile communication Download PDFInfo
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- CN208570921U CN208570921U CN201821384645.XU CN201821384645U CN208570921U CN 208570921 U CN208570921 U CN 208570921U CN 201821384645 U CN201821384645 U CN 201821384645U CN 208570921 U CN208570921 U CN 208570921U
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- feed
- minor matters
- ground connection
- brachyplast
- bracket
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Abstract
The utility model discloses a kind of mimo antenna structures based on the 5th third-generation mobile communication, it includes pcb board, the pcb board is equipped with mutiple antennas, the antenna includes feed bracket, first grounded bracket and the second grounded bracket, the current feed department being electrically connected with each other is formed on the feed bracket, feed long minor matters and feed brachyplast section, the long minor matters of feed and feed brachyplast section extend to the left and right sides of the feed bracket respectively, the first grounding parts being electrically connected with each other and ground connection brachyplast section are formed on first grounded bracket, the long minor matters of feed, it feeds brachyplast section and ground connection brachyplast saves flush, and the ground connection brachyplast section is disposed adjacent with feed brachyplast section, it is formed with the second grounding parts interconnected on second grounded bracket and is grounded long minor matters, the long minor matters of ground connection extend to institute It states the top for feeding long minor matters and the two is parallel to each other.The utility model can realize 3300~3600MHz and 4800MHz~5000MHz dual-radio design, and then meet application demand.
Description
Technical field
The utility model relates to mimo antenna structure more particularly to a kind of mimo antenna knots based on the 5th third-generation mobile communication
Structure.
Background technique
At present in mobile communication fields such as mobile phones, 4G (forth generation mobile communication) communication system is still the master of data transmission
Want communication system, but as people are to rate, reliability, the requirements at the higher level of low time delay etc., 4G communication is increasingly unable to satisfy
The requirement of people, 5G (the 5th third-generation mobile communication) communication system start to give birth to because of fortune.But existing 5G communication system is difficult to reality
Existing 3300~3600MHz and 4800MHz~5000MHz dual-radio design, thus be difficult to meet application demand.
Utility model content
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide a kind of achievable 3300
~3600MHz and 4800MHz~5000MHz dual-radio design, and then meet the mimo antenna structure of application demand.
In order to solve the above technical problems, the utility model adopts the following technical solution.
A kind of mimo antenna structure based on the 5th third-generation mobile communication comprising have pcb board, the pcb board is equipped with more
A antenna, the antenna include feed bracket, the first grounded bracket and the second grounded bracket, are formed on the feed bracket
The current feed department that is electrically connected with each other, the long minor matters of feed and feed brachyplast section, the long minor matters of the feed and feed brachyplast section respectively to
The left and right sides of the feed bracket extends, be formed on first grounded bracket the first grounding parts being electrically connected with each other and
Be grounded brachyplast section, the long minor matters of the feed, feed brachyplast section and ground connection brachyplast save flush, and the ground connection brachyplast save with it is described
Feed brachyplast section is disposed adjacent, and the second grounding parts interconnected are formed on second grounded bracket and are grounded long minor matters,
The long minor matters of ground connection extend to the top of the long minor matters of feed and the two is parallel to each other.
Preferably, the long minor matters of the feed and the long minor matters of ground connection are " U "-shaped, the feed brachyplast section and ground connection brachyplast section
It is L-shaped.
Preferably, the long minor matters of the feed, feed brachyplast section and ground connection height of the brachyplast pitch from pcb board are 2mm.
Preferably, ground connection height of the long shoot pitch from pcb board is 4.5mm.
Preferably, the pcb board is equipped with eight antennas, and eight antenna symmetries are set at the both sides of the edge of pcb board.
Preferably, two aerial angles on the pcb board are consistent, and another six antennas are solid after axis rotation predetermined angle
Due on the pcb board.
In mimo antenna structure disclosed by the utility model based on the 5th third-generation mobile communication, current signal is presented by pcb board
Enter current feed department, then save branch to the long minor matters of feed and feed brachyplast: in one branch, current signal passes through the long minor matters of feed,
It is closer because feeding long minor matters with ground connection long shoot section, is parallel due to generating coupling reaction, feeding the portion of electrical current letter in long minor matters
It number is radiated the long minor matters of ground connection and generates galvanomagnetic-effect, current signal returns to pcb board by the second grounding parts later, final generation
Resonance realizes 3300MHz~3600MHz frequency coverage；In another branch, current signal is by feed brachyplast section, because feeding brachyplast
Section is closer with ground connection brachyplast section, is parallel and generate coupling reaction, feed brachyplast save in portion of electrical current signal radiation to connecing
Galvanomagnetic-effect is saved and generated to ground brachyplast, and current signal returns to pcb board by the first grounding parts later, and the final resonance that generates is realized
4800MHz~5000MHz frequency coverage.Compared to existing technologies, the utility model realize 3300~3600MHz and
The dual-radio design of 4800MHz~5000MHz, and then meet the application demand of the 5th third-generation mobile communication.In addition, the utility model
Structure is simple, is easily achieved.
Detailed description of the invention
Fig. 1 is the perspective view of the utility model mimo antenna structure.
Fig. 2 is the structure chart of antenna.
Fig. 3 is the S11 curve graph of the utility model mimo antenna structure.
Fig. 4 is the efficiency curve diagram of the utility model mimo antenna structure.
Fig. 5 is the S12 curve graph of the utility model mimo antenna structure.
Fig. 6 is the ECC parameter line graph of the utility model mimo antenna structure.
Specific embodiment
The utility model is described in more detail with reference to the accompanying drawings and examples.
The utility model discloses a kind of mimo antenna structures based on the 5th third-generation mobile communication, in conjunction with Fig. 1 and Fig. 2 institute
Show comprising have a pcb board 1, the pcb board 1 is equipped with mutiple antennas 2, and the antenna 2 includes feed bracket 20, first connects
Floor-engaging frame 21 and the second grounded bracket 22 are formed with the current feed department 200 being electrically connected with each other, feed length on the feed bracket 20
Minor matters 201 and feed brachyplast section 202, the long minor matters 201 of feed and feed brachyplast section 202 are respectively to the feed bracket 20
The left and right sides extends, and the first grounding parts 210 being electrically connected with each other and ground connection brachyplast are formed on first grounded bracket 21
Section 211, the long minor matters 201 of the feed, feed brachyplast section 202 and ground connection brachyplast save 211 flushes, and ground connection brachyplast section
211 are disposed adjacent with feed brachyplast section 202, and the second grounding parts interconnected are formed on second grounded bracket 22
220 and long minor matters 221 are grounded, the long minor matters 221 of ground connection extend to the top of the long minor matters 201 of feed and the two is mutually flat
Row.
In above-mentioned mimo antenna structure, current signal is by 1 feed-in current feed department 200 of pcb board, then to the long minor matters 201 of feed
Save 202 branches with feed brachyplast: in one branch, current signal is by feeding long minor matters 201, because feeding long minor matters 201 and connecing
The long minor matters 221 in ground are closer, parallel and generate coupling reaction, feed portion of electrical current signal radiation in long minor matters 201 to connecing
The long minor matters 221 in ground simultaneously generate galvanomagnetic-effect, and current signal returns to pcb board 1 by the second grounding parts 220 later, finally generate humorous
Jolt ramming shows 3300MHz~3600MHz frequency coverage；In another branch, current signal is short because feeding by feed brachyplast section 202
Minor matters 202 211 are closer with ground connection brachyplast section, parallel and generate coupling reaction, and the portion of electrical current in feed brachyplast section 202 is believed
It number being radiated ground connection brachyplast section 211 and generates galvanomagnetic-effect, current signal returns to pcb board 1 by the first grounding parts 210 later,
The final resonance that generates realizes 4800MHz~5000MHz frequency coverage.Compared to existing technologies, the utility model realizes
The dual-radio design of 3300~3600MHz and 4800MHz~5000MHz, and then meet the application demand of the 5th third-generation mobile communication.
In addition, the utility model is of simple structure and low cost, is easily achieved.
In the present embodiment, the long minor matters 201 of feed and the long minor matters 221 of ground connection are " U "-shaped, the feed brachyplast section
202 is L-shaped with ground connection brachyplast section 211.
The long minor matters 201 of the feed, feed brachyplast section 202 and ground connection brachyplast save 211 distances as a preferred method,
The height of pcb board 1 is 2mm.Further, being grounded height of the long minor matters 221 apart from pcb board 1 is 4.5mm.
In the present embodiment, the pcb board 1 is equipped with eight antennas 2, and eight antennas 2 are symmetrically set in the two sides of pcb board 1
At edge.Wherein eight antennas 2 are arranged along edge, so that having reserved 2G/3G/4G communication antenna and GPS&WIFI on pcb board 1
The use space of antenna provides basis for comprehensive extension of antenna function.
Two 2 angles of antenna as a preferred method, on the pcb board 1 are consistent, and another six antennas 2 are revolved along axis
It is fixed on the pcb board 1 after turning predetermined angle.This mode by a part of 2 axial-rotation of antenna can be effectively reduced
S3,2 parameters, and then improve antenna performance.
Mimo antenna structure disclosed by the utility model based on the 5th third-generation mobile communication has as follows by emulation testing
As a result:
Referring to figure 3., S11 parameter curve is obtained by emulation, as seen from Figure 3, the S11 parameter of 8 antennas is in demand frequency
- 6dB is respectively less than in section.Plurality of antenna respectively corresponds S1,1 and S2,2 etc., and so on；
Referring to figure 4., efficiency Efficiency data are obtained by emulation.Wherein, mutiple antennas respectively corresponds
Tot.Efficiency [1], Tot.Efficiency [2] etc., and so on；
Referring to figure 5., S12 parameter is obtained by emulation, as seen from Figure 5, the S12 parameter of all antennas is below -9dB.
Wherein, S2,1 corresponds to the isolation of first antenna and second antenna, and S3,1 corresponds to first antenna and third day
The isolation of line, and so on；
Fig. 6 is please referred to, ECC (Envelope Correlation Coefficient) parameter is obtained by emulation, by Fig. 6
As it can be seen that the ECC parameter of all antennas is lower than 0.1.Wherein, ECC_2,1 corresponds between first antenna and second antenna
ECC parameter, ECC_3,1 corresponds to the ECC parameter between first antenna and third antenna, and so on.
Mimo antenna structure disclosed by the utility model based on the 5th third-generation mobile communication, obtains by above-mentioned emulation testing
Out, the utility model not only realizes 3300~3600MHz and 4800MHz~5000MHz dual-radio design, but also S11 parameter, effect
Rate data, S12 parameter and ECC parameter meet application requirement, it can be seen that, the utility model mimo antenna structure has excellent
Antenna performance, be suitble to promote and apply in the 5th third-generation mobile communication equipment, and with good application prospect.
The above is the utility model preferred embodiment, is not intended to limit the utility model, all practical at this
Modification, equivalent replacement or the improvement etc. made in novel technical scope, should be included in the model that the utility model is protected
In enclosing.
Claims (6)
1. a kind of mimo antenna structure based on the 5th third-generation mobile communication, which is characterized in that include pcb board (1), the PCB
Plate (1) is equipped with mutiple antennas (2), and the antenna (2) includes that feed bracket (20), the first grounded bracket (21) and second connect
Floor-engaging frame (22) is formed with the current feed department (200) being electrically connected with each other, the long minor matters (201) of feed on feed bracket (20)
It is described to feed long minor matters (201) and feed brachyplast section (202) respectively to the feed bracket (20) with feed brachyplast section (202)
The left and right sides extend, be formed with the first grounding parts (210) being electrically connected with each other on first grounded bracket (21) and connect
Ground brachyplast section (211), it is described to feed long minor matters (201), feed brachyplast section (202) and ground connection brachyplast section (211) flush, and institute
It states ground connection brachyplast section (211) to save (202) with the feed brachyplast and be disposed adjacent, is formed with phase on second grounded bracket (22)
The second grounding parts (220) to connect and the long minor matters (221) of ground connection, the long minor matters (221) of ground connection extend to the feed length
The top of minor matters (201) and the two is parallel to each other.
2. the mimo antenna structure as described in claim 1 based on the 5th third-generation mobile communication, which is characterized in that the feed length
Minor matters (201) and the long minor matters (221) of ground connection are " U "-shaped, and the feed brachyplast section (202) and ground connection brachyplast section (211) are in
L shape.
3. the mimo antenna structure as described in claim 1 based on the 5th third-generation mobile communication, which is characterized in that the feed length
The height of minor matters (201), feed brachyplast section (202) and ground connection brachyplast section (211) apart from pcb board (1) is 2mm.
4. the mimo antenna structure as claimed in claim 3 based on the 5th third-generation mobile communication, which is characterized in that the ground connection length
Height of the minor matters (221) apart from pcb board (1) is 4.5mm.
5. the mimo antenna structure as described in claim 1 based on the 5th third-generation mobile communication, which is characterized in that the pcb board
(1) eight antennas (2) are equipped with, eight antennas (2) are symmetrically set at the both sides of the edge of pcb board (1).
6. the mimo antenna structure as claimed in claim 5 based on the 5th third-generation mobile communication, which is characterized in that the pcb board
(1) two antenna (2) angles on are consistent, and another six antennas (2) are fixed on the pcb board after axis rotation predetermined angle
(1) on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821384645.XU CN208570921U (en) | 2018-08-27 | 2018-08-27 | A kind of mimo antenna structure based on the 5th third-generation mobile communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821384645.XU CN208570921U (en) | 2018-08-27 | 2018-08-27 | A kind of mimo antenna structure based on the 5th third-generation mobile communication |
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| CN208570921U true CN208570921U (en) | 2019-03-01 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109904628A (en) * | 2019-04-17 | 2019-06-18 | 华东交通大学 | A kind of intelligent terminal aerial array |
| WO2020233211A1 (en) * | 2019-05-20 | 2020-11-26 | 中兴通讯股份有限公司 | Antenna system and terminal |
-
2018
- 2018-08-27 CN CN201821384645.XU patent/CN208570921U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109904628A (en) * | 2019-04-17 | 2019-06-18 | 华东交通大学 | A kind of intelligent terminal aerial array |
| CN109904628B (en) * | 2019-04-17 | 2021-04-02 | 华东交通大学 | Intelligent terminal antenna array |
| WO2020233211A1 (en) * | 2019-05-20 | 2020-11-26 | 中兴通讯股份有限公司 | Antenna system and terminal |
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