CN208904212U - Multi-input multi-output antenna system and mobile terminal - Google Patents
Multi-input multi-output antenna system and mobile terminal Download PDFInfo
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- CN208904212U CN208904212U CN201821983994.3U CN201821983994U CN208904212U CN 208904212 U CN208904212 U CN 208904212U CN 201821983994 U CN201821983994 U CN 201821983994U CN 208904212 U CN208904212 U CN 208904212U
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Abstract
The utility model relates to terminal antenna technical fields, and in particular to a kind of multi-input multi-output antenna system and mobile terminal.The system include on pcb board spaced mutiple antennas radiating element in a row, antenna radiation unit connect with the feeding point on pcb board；Parasitic part is equipped between two neighboring antenna radiation unit in every row's antenna radiation unit, the connection of the grounding point of parasitic part and pcb board, parasitic part is used to generate resonance with two adjacent antenna radiation units, the parasitism part absorbs the energy of antenna radiation unit radiation by way of resonance, therefore the isolation between antenna radiation unit can be improved, improve the impedance matching of antenna radiation unit, expands antenna radiation unit bandwidth, improve the radiation efficiency of antenna radiation unit.The mobile terminal uses above-mentioned multi-input multi-output antenna system, has a possibility that setting more antennas radiating element in terminal casing narrow space, the mobile terminal can be made to be adapted to the communication network of 5G or higher level.
Description
Technical field
The utility model relates to terminal antenna technical fields, and in particular to a kind of multi-input multi-output antenna system and movement
Terminal.
Background technique
Antenna is intelligent terminal transmitting/receiving wireless signal front end component, and work is when emitting, and antenna is by the high-frequency current in circuit
Or the guided wave on feeding transmission line is efficiently converted into certain polarized spatial electromagnetic wave, launches to defined direction,
When receiving, opposite transformation is carried out.The quality of antenna performance directly influences the speech quality and data downloading of intelligent terminal
Speed.
With the fast development of wireless communication technique, consumer requires radio communication quality higher and higher, traditional list
Antenna transmit-receive technology is not only easy to be influenced by unfavorable factors such as multipath transmisstions, keeps link performance unstable, and data pass
Defeated rate is relatively low.For the multipath fading in mobile communication and improve link stability, MIMO (Multiple-Input
Multiple-Output) technology is an important innovations research project of current wireless communication field, by smart machine
Using more antennas (equipment end or base station end), so that transmitting terminal or receiving end receive more signal space streams, it can be obvious
Improve channel capacity.Therefore in order to meet the requirement of high rate data transmission need to make great efforts always promote MIMO technology evolution, such as
Current 4x4MIMO has been increased to from 2x2.But more antennas, which also imply that, occupies more spaces, to set space is limited
Accommodating in standby obviously becomes more difficult into more antennas, especially needs in upcoming 5G mobile terminal antenna system full
Sufficient 8x8MIMO.
For mobile terminal, peripheral components are more and more, such as camera, microphone, LED flash, leave antenna for and set
It is smaller and smaller to count space, is limited to package size, installation mutiple antennas is highly difficult, because in narrow terminating machine size
Under, the spacing between antenna element is small, causes the coupling between antenna stronger, and the close coupling between mimo antenna unit will make
The radiation efficiency obtained between antenna reduces, so that the advantage of mimo antenna technology can not be played.Therefore closely placement is reduced
Coupling between antenna becomes technical problem urgently to be resolved when the design of Miniature Terminal MIMO scheme.
Up to 10 (or even 10 or more) antenna elements are designed in narrow mobile phone, wherein 2 be LTE antenna unit, 8
A 5G antenna element, needs to face many problems, such as the arrangement problems between antenna element, the isolation between antenna element
Problem.Especially current antenna for mobile phone, which designs, contributes to the design of LTE antenna on top and bottom end, thus correspondingly subtracts
The intermediate space for being used to design 5G antenna element is lacked, the spacing between 5G antenna element is caused to further decrease.How to solve
Isolating problem between antenna element is challenging.
So, the isolating problem between antenna element how is solved in the case where space length very little, improves antenna list
It is also a difficult point that the radiance of member, which is a urgent problem to be solved,.
Utility model content
The purpose of the utility model is to provide one kind to realize between antenna element in the case where space length very little
Isolation and improve antenna element radiance multi-input multi-output antenna system and mobile terminal.
To achieve the above object, the utility model provides a kind of multi-input multi-output antenna system, which is included in
Feeding point on spaced mutiple antennas radiating element in a row on pcb board, the antenna radiation unit and the pcb board connects
It connects；Parasitic part, the parasitism part are equipped in antenna radiation unit described in every row between the two neighboring antenna radiation unit
It is connect with the grounding point of the pcb board, the parasitism part is used to generate resonance with adjacent two antenna radiation units.
Optionally, there are two described for arrangement on the line between in every row per two adjacent antenna radiation units
Parasitic part.
Optionally, the parasitic part is parasitic minor matters, and one end of the parasitism minor matters and the grounding point of the pcb board connect
It connects, the length of the parasitism minor matters, which meets, generates resonance with adjacent two antenna radiation units.
Optionally, the other end of the parasitic minor matters is bending structure.
Optionally, the length of described two parasitic minor matters is different, is respectively used to two works with the antenna radiation unit
Make frequency range and generates resonance.
Optionally, there are two described for arrangement on the line between in every row per two adjacent antenna radiation units
The length of parasitic minor matters, two parasitic minor matters is identical, is respectively used to generate resonance with adjacent antenna radiation unit.
Optionally, it is equipped with metal strip between adjacent two parasitic parts, one end of the metal strip is connect with grounding point.
Optionally, it is respectively equipped with antenna radiation unit described in a row in the two sides long side of the pcb board, is equipped with four in every row
A antenna radiation unit, the working frequency of the antenna radiation unit include 3400~3800MHz, and the one of the pcb board
It is set on the short side of side there are two LTE antenna, the working frequency of the LTE antenna includes 698~960MHz and 1710~2690MHz.
Optionally, the antenna radiation unit is IFA (Inverted-F Antenna, inverse-F antenna) antenna, unipole antenna
Or dipole antenna, dielectric frame is respectively equipped in the two sides long side of the pcb board, the antenna radiation unit is arranged in institute
It states on dielectric frame.
A kind of multi-input multi-output antenna system provided by the utility model, since parasitic part is absorbed by way of resonance
The energy of antenna radiation unit radiation, and parasitism part therefore can drop between two adjacent antenna radiation units
Interference between low two neighboring antenna radiation unit improves the isolation between antenna radiation unit, and then can improve day
The impedance matching of beta radiation unit expands antenna radiation unit bandwidth, improves the radiation efficiency of antenna radiation unit.
In addition, the utility model additionally provides a kind of mobile terminal, which includes that multi input as described above is more
Output antenna system further includes the processor connecting with the pcb board, battery module, touch panel, wireless communication module, sound
Frequency module, multi-media module and memory module.Since the mobile terminal uses above-mentioned multi-input multi-output antenna system,
There is a possibility that setting more antennas radiating element in terminal casing narrow space, the mobile terminal can be made to be adapted to 5G
Or the communication network of higher level.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of multi-input multi-output antenna system of an embodiment of the present invention；
Fig. 2 is a kind of schematic diagram of multi-input multi-output antenna system of another embodiment of the utility model；
Fig. 3 is the schematic diagram that PIFA antenna is installed on pcb board in the utility model embodiment；
Fig. 4 is the main view that monopole antenna and LET antenna are installed on pcb board in the utility model embodiment；
Fig. 5 is the rearview that monopole antenna and LET antenna are installed on pcb board in the utility model embodiment；
Fig. 6 is a kind of schematic diagram of mobile terminal provided by the embodiment of the utility model.
Appended drawing reference:
1, pcb board；11, first antenna clearance zone；12, the second antenna headroom area；13, dielectric frame；2, antenna spoke
Penetrate unit；21, feeding point；22, feed pin；23, shorting pin；3, parasitic part；4, metal strip；5, LTE antenna；100, mobile
Terminal；101, processor；102, battery module；103, wireless communication module；104, multi-media module；105, touch panel；
106, audio-frequency module；107, memory module.
Specific embodiment
It is with reference to the accompanying drawing and real in order to be more clearly understood that the above objects, features, and advantages of the utility model
Applying example, the utility model is described in further detail.It is understood that described embodiment is the utility model
A part of the embodiment, instead of all the embodiments.Specific embodiment described herein is used only for explaining the utility model,
Rather than the restriction to the utility model.Based on described the embodiments of the present invention, those of ordinary skill in the art are obtained
The every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1, a kind of multi-input multi-output antenna system provided by the embodiment of the utility model, is included in pcb board 1
Upper in a row spaced mutiple antennas radiating element 2, the i.e. quantity of antenna radiation unit 2 can be two or more,
Side of the mutiple antennas radiating element 2 preferably along pcb board 1 is set in a row, which refers to close to 1 side margins of pcb board
Region, i.e. mutiple antennas radiating element 2 are also possible to be positioned close to this either be arranged in the side margins of pcb board 1
On the pcb board 1 at edge；Antenna radiation unit 2 is connect with the feeding point 21 on pcb board 1；It is adjacent in every row's antenna radiation unit 2
Parasitic part 3 is equipped between two antenna radiation units 2, which connect with the grounding point of pcb board 1, and parasitic part 3 is used for
Resonance is generated with two adjacent antenna radiation units 2, i.e. the parasitism part 3 can be in frequency range identical with antenna radiation unit 2
Generate resonance.
From the foregoing, it will be observed that since parasitic part 3 absorbs the energy of the radiation of antenna radiation unit 2 by way of resonance, and
Parasitic part 3 can reduce between two neighboring antenna radiation unit 2 between two adjacent antenna radiation units 2
Interference, improve the isolation between antenna radiation unit 2, and then the impedance matching of antenna radiation unit 2 can be improved, expand
2 bandwidth of antenna radiation unit improves the radiation efficiency of antenna radiation unit 2.
In some embodiments, a parasitism can be only set between in every row per two adjacent antenna radiation units 2
Part 3, the parasitism part 3 generate resonance with the antenna radiation unit 2 of two sides simultaneously.
In further embodiments, it is placed on the line between in every row per two adjacent antenna radiation units 2
Two parasitic parts 3, this two parasitic parts 3 form resonance with respective adjacent antenna radiation unit 2 respectively, thus can be improved to two
The absorptivity that side antenna radiation unit 2 radiates, more preferably to the isolation effect between antenna radiation unit 2.
In the above embodiments, parasitic part 3 can be parasitic minor matters, one end of parasitic minor matters and the grounding point of pcb board 1
Connection.When the quantity of parasitic minor matters is one, length satisfaction generates humorous simultaneously with two adjacent antenna radiation units 2
Vibration；When the quantity of parasitic minor matters is two, two parasitic minor matters generate with respective adjacent antenna radiation unit 2 humorous respectively
Vibration.Parasitic minor matters structure is simple, by the setting of length, can be realized and generates resonance with antenna radiation unit 2, reach isolation mesh
's.
Wherein, the other end of parasitic minor matters can be bending structure, since parasitic minor matters are realized by the setting of length
Resonance is formed with antenna radiation unit 2, therefore the parasitism minor matters may be long, being set as the coiled structure bent can be with
Save its occupied space.
In some embodiments, two are placed on the line between in every row per two adjacent antenna radiation units 2
A parasitism minor matters, the length of two parasitic minor matters is identical, is respectively used to generate resonance with adjacent antenna radiation unit 2.Big
In most cases, each antenna radiation unit 2 all works in the same frequency range, each parasitism minor matters and adjacent antenna spoke
It penetrates unit 2 and forms resonance, good isolation effect can be played.
And on rare occasions, antenna radiation unit 2 understands work in another frequency range, in this regard, in further embodiments,
The length of two parasitic minor matters is different, and the parasitic minor matters of two of different length are respectively used to two works with antenna radiation unit 2
Make frequency range and generates resonance, when a working frequency in two adjacent antenna radiation units 2 jumps, therebetween two
Parasitic minor matters can generate resonance with the antenna radiation unit 2 of two sides different frequency range respectively, may insure to play isolation in this way
Effect.
As shown in Fig. 2, in some embodiments, it is equipped with metal strip 4 between adjacent two parasitic parts 3, the one of metal strip 4
End is connect with grounding point.Metal strip 4 can further absorb the radiation energy between antenna radiation unit 2, reach preferably every
From effect.
In conjunction with shown in Fig. 4 and Fig. 5, in some embodiments, row's antenna is respectively equipped in the two sides long side of pcb board 1
Radiating element 2 is set in every row there are four antenna radiation unit 2, and antenna radiation unit 2 is 5G antenna, and groundwork frequency is
3400~3800MHz；It is set on the side short side of pcb board 1 there are two LTE antenna 5, the groundwork frequency of LTE antenna 5 is 698
~960MHz and 1710~2690MHz is equipped with first antenna headroom on pcb board 1 at position corresponding with the LTE antenna 5
Area 11 does not influence the omnidirectional radiation of LTE antenna 5.
Wherein, as shown in figure 3, antenna radiation unit 2 can be PIFA (Planar Inverted-F Antenna, plane
Inverse-F antenna) antenna, for PIFA antenna with certain height, radiance is stronger, which is arranged on pcb board 1 and ground
The opposite side of plate, i.e., towards the side of cell phone rear cover, the feed pin 22 of PIFA antenna is connect with the feeding point 21 of pcb board 1,
The medium substrate that the shorting pin 23 of PIFA antenna passes through pcb board 1 is grounded.
In addition, antenna radiation unit 2 is also possible to IFA antenna, unipole antenna or dipole in conjunction with shown in Fig. 2, Fig. 4 and Fig. 5
Antenna, dielectric frame is respectively equipped in the two sides long side of pcb board 1, and antenna radiation unit 2 and parasitic part 3 are arranged at absolutely
On edge medium frame 13.Also, pcb board 1 is equipped with the second antenna headroom area 12 at position corresponding with mutiple antennas unit,
The omnidirectional radiation of antenna radiation unit 2 is not influenced.
As shown in fig. 6, the utility model additionally provides a kind of mobile terminal 100, which includes any of the above-described reality
The multi-input multi-output antenna system for applying example additionally includes the processor 101 connecting with pcb board 1, battery module 102, touch-control
Panel 103, wireless communication module 104, audio-frequency module 106, multi-media module 104 and memory module 107.Due to the mobile terminal
1 uses above-mentioned multi-input multi-output antenna system, therefore has setting more antennas spoke in terminal casing narrow space
A possibility that penetrating unit 2 can make the mobile terminal be adapted to the communication network of 5G or higher level.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (10)
1. a kind of multi-input multi-output antenna system, which is characterized in that including spaced mutiple antennas in a row on pcb board
Radiating element, the antenna radiation unit are connect with the feeding point on the pcb board；It is adjacent in antenna radiation unit described in every row
Parasitic part is equipped between two antenna radiation units, the parasitism part is connect with the grounding point of the pcb board, described to post
Raw part is used to generate resonance with adjacent two antenna radiation units.
2. multi-input multi-output antenna system according to claim 1, which is characterized in that per two adjacent institutes in every row
State the parasitic part there are two arranging on the line between antenna radiation unit.
3. multi-input multi-output antenna system according to claim 1 or 2, which is characterized in that the parasitism part is parasitism
Minor matters, it is described parasitism minor matters one end connect with the grounding point of the pcb board, it is described parasitism minor matters length satisfaction and it is adjacent
Two antenna radiation units generate resonance.
4. multi-input multi-output antenna system according to claim 3, which is characterized in that the other end of the parasitism minor matters
For bending structure.
5. multi-input multi-output antenna system according to claim 3, which is characterized in that the length of described two parasitism minor matters
Degree is different, is respectively used to generate resonance with two working frequency range of the antenna radiation unit.
6. multi-input multi-output antenna system according to claim 3, which is characterized in that per two adjacent institutes in every row
State the parasitic minor matters there are two arranging on the line between antenna radiation unit, the length phase of two parasitic minor matters
Together, it is respectively used to generate resonance with adjacent antenna radiation unit.
7. multi-input multi-output antenna system according to claim 1 or 2, which is characterized in that the parasitic part of adjacent two
Between be equipped with metal strip, one end of the metal strip is connect with grounding point.
8. multi-input multi-output antenna system according to claim 1 or 2, which is characterized in that the two sides of the pcb board are long
It is respectively equipped with antenna radiation unit described in a row on side, is set in every row there are four the antenna radiation unit, the aerial radiation
The working frequency of unit includes 3400~3800MHz, sets that there are two LTE antenna, the LTE on the side short side of the pcb board
The working frequency of antenna includes 698~960MHz and 1710~2690MHz.
9. multi-input multi-output antenna system according to claim 1, which is characterized in that the antenna radiation unit is
IFA antenna, unipole antenna or dipole antenna are respectively equipped with dielectric frame, the antenna in the two sides long side of the pcb board
Radiating element is arranged on the dielectric frame.
10. a kind of mobile terminal, which is characterized in that including multi-input/output antenna as described in any one of claim 1 to 9
System further includes the processor connecting with the pcb board, battery module, touch panel, wireless communication module, audio-frequency module, more
Media module and memory module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821983994.3U CN208904212U (en) | 2018-11-28 | 2018-11-28 | Multi-input multi-output antenna system and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821983994.3U CN208904212U (en) | 2018-11-28 | 2018-11-28 | Multi-input multi-output antenna system and mobile terminal |
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| Publication Number | Publication Date |
|---|---|
| CN208904212U true CN208904212U (en) | 2019-05-24 |
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ID=66578290
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821983994.3U Active CN208904212U (en) | 2018-11-28 | 2018-11-28 | Multi-input multi-output antenna system and mobile terminal |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111244609A (en) * | 2018-11-28 | 2020-06-05 | 珠海市魅族科技有限公司 | Multi-input multi-output antenna system and mobile terminal |
| CN111446540A (en) * | 2020-04-08 | 2020-07-24 | 海信集团有限公司 | Electronic device |
-
2018
- 2018-11-28 CN CN201821983994.3U patent/CN208904212U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111244609A (en) * | 2018-11-28 | 2020-06-05 | 珠海市魅族科技有限公司 | Multi-input multi-output antenna system and mobile terminal |
| CN111446540A (en) * | 2020-04-08 | 2020-07-24 | 海信集团有限公司 | Electronic device |
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