CN104092026B - A kind of antenna transmission device and mobile terminal and antenna design method - Google Patents
A kind of antenna transmission device and mobile terminal and antenna design method Download PDFInfo
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- CN104092026B CN104092026B CN201410306801.0A CN201410306801A CN104092026B CN 104092026 B CN104092026 B CN 104092026B CN 201410306801 A CN201410306801 A CN 201410306801A CN 104092026 B CN104092026 B CN 104092026B
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000013461 design Methods 0.000 title claims abstract description 14
- 229910000859 α-Fe Inorganic materials 0.000 claims description 13
- 238000005192 partition Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 abstract description 33
- 238000012546 transfer Methods 0.000 abstract description 10
- 238000004891 communication Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005404 monopole Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The present embodiments relate to antenna transmission technique field, more particularly to a kind of antenna transmission device and mobile terminal and antenna design method.The device includes combiner, first antenna unit and the second antenna element, wherein, the combiner includes and port and difference port；When the combiner and port working, the first antenna unit being connected with the combiner and the second antenna element homophase being connected with the combiner are fed；When the poor port working of the combiner, the first antenna unit being connected with the combiner and the anti-phase feed of the second antenna element being connected with the combiner.The directional diagram of in the antenna transmission device and port and difference port has larger difference such that it is able to improve the transfer rate of antenna.
Description
Technical field
The present embodiments relate to antenna transmission technique field, more particularly to a kind of antenna transmission device and mobile terminal and
Antenna design method.
Background technology
With the development of mobile communication technology, multiple antennas have started to be applied in multiple applications such as work and life
Various mobile radio terminals.With the miniaturization and the development of functional diversities of mobile terminal, in very limited amount of space domestic demand
The number of designing antenna is wanted also to increase.
In existing antenna transmission device, the directional diagram of different antennae has less difference, causes by multiple antenna sets
Into the transfer rate of antenna transmission device preferably do not lifted relative to individual antenna, i.e., the biography of existing antenna transmission device
Defeated speed is relatively low, therefore the poor-performing of existing antenna transmission device.
The content of the invention
The purpose of the present invention is to propose to a kind of antenna transmission device and mobile terminal and antenna design method, to improve antenna
The transfer rate of transmitting device.
On the one hand, the invention provides a kind of antenna transmission device, the ferrite coiling device includes the first coiling list
Unit, the second coiling unit and the 3rd coiling unit, wherein, one end of first coiling unit is and port, described first around
The other end ground connection of line unit；
One end of second coiling unit is difference port, the other end and the first antenna of second coiling unit
Unit connects；One end of 3rd coiling unit is connected with the poor port, the other end of the 3rd coiling unit and described
Two antenna elements connect.
Another further aspect, the invention provides a kind of mobile terminal, including the antenna transmission that any embodiment of the present invention is provided
Device.
On the other hand, present invention also offers a kind of antenna design method, including：
It is first antenna unit and the second antenna element by antenna partition；
The first antenna unit and second antenna element are connected with combiner respectively so that when the combiner
And during port working, the first antenna unit and the second antenna element homophase feed, when the poor end of shown combiner
During mouthful work, the first antenna unit and the anti-phase feed of second antenna element.
Antenna transmission device and mobile terminal and antenna design method that the present invention is provided, can effectively improve the biography of antenna
Defeated speed.In inventive antenna transmitting device, first antenna unit and the second antenna element are connected with combiner, and work as institute
State combiner and during port working, the first antenna unit and the second antenna element homophase feed；When described and poor
During the poor port working of device, the first antenna unit and the anti-phase feed of second antenna element so that the combiner
There is larger difference with directional diagram of the port with difference port, and then improve the transfer rate of antenna transmission device.
Description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes the embodiment of the present invention
A part, does not constitute the restriction to the embodiment of the present invention.In the accompanying drawings：
The structural representation of antenna transmission devices of the Fig. 1 to provide in first embodiment of the invention；
The directional diagram of antenna transmission devices of the Fig. 2 to provide in first embodiment of the invention；
Fig. 3 is provide two signals at a distance of the unipole antenna for 1/8～1/4 wavelength in first embodiment of the invention
Figure；
The side of with Fig. 3 shown in antenna element corresponding antenna transmission devices of the Fig. 4 to provide in first embodiment of the invention
Xiang Tu；
Fig. 5 is provide two schematic diagrames at a distance of the IFA antennas for 1/4 wavelength in first embodiment of the invention；
The side of with Fig. 5 shown in antenna element corresponding antenna transmission devices of the Fig. 6 to provide in first embodiment of the invention
Xiang Tu；
Fig. 7 is the schematic diagram of the combiner that the ferrite that provides adds enamel-covered wire coiling in second embodiment of the invention；
The flowchart of antenna design methods of the Fig. 8 to provide in fourth embodiment of the invention.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment the embodiment of the present invention is carried out in further detail with complete explanation.Can manage
Solution, specific embodiment described herein are only used for explaining the embodiment of the present invention, rather than the restriction to the embodiment of the present invention.
It also should be noted that, for the ease of description, in accompanying drawing, illustrate only the part related to the embodiment of the present invention rather than entirely
Portion's content.
First embodiment：
The structural representation of antenna transmission devices of the Fig. 1 to provide in first embodiment of the invention, as shown in figure 1, the day
Line transmitting device includes combiner 11, first antenna unit 12 and the second antenna element 13.
Include first antenna unit 12 and the second antenna element 13 in the multi-aerial radio communication system of mobile terminal, its
In, include at least one antenna in the first antenna unit 12 and in second antenna element 13.For example, first antenna
Include an antenna in unit 12 and the second antenna element 13 respectively.It is general, in first antenna unit 12 quantity of antenna and
In second antenna element 13, the quantity of antenna is equal.
It should be noted that to antenna in first antenna unit 12 and the second antenna element 13 in first embodiment of the invention
Type be not construed as limiting, as long as the antenna of mobile terminal can be applied to.And day in the first antenna unit 12
The type of line and the type of antenna in the second antenna element 13 can with it is identical can also be similar.
Wherein, the combiner 11 includes and port 111 and difference port 112.Combiner 11 and port 111 and difference port
112 work when different, when the combiner 11 works with port 111, the first antenna list being connected with the combiner 11
Unit 12 and 13 homophase of the second antenna element feed being connected with the combiner 11；When the poor port working of the combiner,
The first antenna unit being connected with the combiner and the anti-phase feed of the second antenna element being connected with the combiner.First day
There is larger difference in directional diagram when line unit 12 and 13 homophase of the second antenna element feed and during anti-phase feed.
The directional diagram of antenna transmission devices of the Fig. 2 to provide in first embodiment of the invention, wherein, bold portion is and holds
Directional diagram during mouth work, dotted portion is directional diagram when differing from port working.As shown in Fig. 2 the directional diagram and difference with port
The directional diagram of port has larger difference.Due to the side at the combiner 11 and at port 111 directional diagram and difference port 112
To figure with larger difference, the transfer rate of antenna transmission device is improve.In addition, in the embodiment of the present invention, first antenna list
The distance between unit 12 and the second antenna element 13 are about within 1 wavelength so that first antenna unit 12 and the second antenna
Isolation between unit 13 disclosure satisfy that commercial communication demand.
As a example by including a monopole antenna respectively in first antenna unit and the second antenna element.Fig. 3 is the present invention the
Schematic diagram of two provided in one embodiment at a distance of the unipole antenna for 1/8～1/4 wavelength, Fig. 4 are implemented for the present invention first
The directional diagram of the antenna transmission device corresponding with antenna element shown in Fig. 3 provided in example.As shown in figure 3, the row of unipole antenna
Cloth direction is vertical with the direction shown in y-axis, and is apart 1/8～1/4 wavelength between unipole antenna.In the directional diagram shown in Fig. 4
In, when solid line is represented with port working, i.e., when two unipole antenna homophases feed, the directional diagram in xoy faces；Dotted line represents poor port
During work, i.e., during the anti-phase feed of two unipole antennas, the directional diagram in xoy faces.As shown in figure 4, the side of shown in solid and port
Directional diagram to the poor port shown in figure and dotted line is entirely different, also, the central point of directional diagram shown in dotted line is from main lobe edge
Distance relative to directional diagram shown in solid central point from the anti-phase feed of the unipole antenna of the in larger distance of main lobe edge, i.e., two
Gain when feeding relative to the two unipole antenna homophases is higher, therefore when antenna transmitting device is in the case of feeble field, difference port
Work performance it is preferable.
In first antenna unit and the second antenna element including an IFA antenna (Inverted-F antennas) to be respectively
Example.Fig. 5 is provide two schematic diagrames at a distance of the IFA antennas for 1/4 wavelength in first embodiment of the invention, and Fig. 6 is this
The directional diagram of the antenna transmission device corresponding with antenna element shown in Fig. 5 provided in bright first embodiment.As shown in figure 5, IFA
The arragement direction of antenna is parallel with the direction shown in y-axis, and is apart 1/4 wavelength between the two IFA antennas.Shown in Fig. 6
Directional diagram in, when solid line is represented with port working, the directional diagram in yoz faces；When dotted line represents poor port working, the side in yoz faces
Xiang Tu.As shown in fig. 6, the directional diagram of the poor port shown in the directional diagram and dotted line of shown in solid and port is entirely different, and
Difference directional diagram has higher gain in the direction relatively low with the ratio of gains in directional diagram.Therefore it is in the case of feeble field, rational to select
Select and enable to the antenna transmission device and there is preferable efficiency of transmission with port or difference port working.
It should be noted that the combiner is ferrite coiling device or inductance capacitance device.Due to the present invention first
The antenna transmission device provided in embodiment need to be arranged in mobile terminal (for example, smart mobile phone), therefore in antenna transmission device
Combiner need to be small size device, therefore, the combiner can adopt ferrite coiling device or low-loss electric capacity electricity
Inductor component etc..
Second embodiment：
Fig. 7 is the schematic diagram of the combiner that the ferrite that provides adds enamel-covered wire coiling in second embodiment of the invention, such as Fig. 7
It is shown, when the combiner is ferrite coiling device, wherein, the ferrite coiling device includes the first coiling unit
201st, the second coiling unit 202 and the 3rd coiling unit 203, wherein, the first end of first coiling unit 201 is and holds
Mouthful, the second end ground connection of first coiling unit 201；The first end of second coiling unit 202 is difference port, described the
Second end of two coiling units 202 is connected with the first antenna unit；The first end of the 3rd coiling unit 203 with it is described
The connection of difference port, the second end of the 3rd coiling unit 203 is connected with second antenna element.
When combiner and port 211 be input into, i.e., when working with port 211, first antenna unit 22 and the second antenna
23 same-phase of unit is exported；Port 212 of being on duty is input into, that is, when port 212 of being on duty works, first antenna unit 22 and the second antenna
23 antiphase of unit is exported.As shown in Figure 7 to add the combiner of enamel-covered wire coiling for ferrite be small size, and which can be arranged at
The inside of mobile terminal, and then the transfer rate of mobile terminal can be improved.
In the antenna transmission device provided in second embodiment of the invention, combiner and port and difference port direction
Figure has the isolation between larger difference, and first antenna unit and the second antenna element to disclosure satisfy that commercial communication needs, therefore this
The antenna transmission device that invention second embodiment is provided has higher transfer rate.
3rd embodiment：
Third embodiment of the invention also provides a kind of mobile terminal, and the mobile terminal includes that any embodiment of the present invention is carried
For antenna transmission device so that in mobile terminal, the directional diagram of antenna transmission device has larger difference, so as to improve the shifting
The transfer rate of dynamic terminal.
Fourth embodiment：
The flowchart of antenna design methods of the Fig. 8 to provide in fourth embodiment of the invention, the method can be by right
Performing, this realizes that flow process includes to the staff that antenna is configured：
Step 41, it is first antenna unit and the second antenna element by antenna partition.
It is first antenna unit and the second antenna element that mobile terminal is needed the antenna partition for arranging, and for example, works as movement
When terminal needs to arrange two antennas, in first antenna unit and the second antenna element, there is an antenna respectively；Work as mobile terminal
When needing to arrange four antennas, in first antenna unit and the second antenna element, there are two antennas etc. respectively.General, it is mobile whole
In end, the quantity of antenna is even number, and antenna is evenly dividing into first antenna unit and the second antenna element.
Wherein, an antenna, i.e. antenna are at least included in the first antenna unit and in second antenna element
At least include two antennas in transmitting device, therefore antenna transmission device be multi-antenna transmission device in second embodiment of the invention,
To improve the transfer rate of antenna.
Step 42, the first antenna unit and second antenna element are connected with combiner respectively so that when with
Difference device and during port working, the first antenna unit and the second antenna element homophase feed；When the poor end of combiner
During mouthful work, the first antenna unit and the anti-phase feed of second antenna element.
By each antenna in first antenna unit with combiner and port be connected, and by each antenna in the second antenna element
It is connected with the poor port of combiner so that when combiner and port working, the first antenna unit and described second
Antenna element homophase feeds；When the poor port working of combiner, the first antenna unit and second antenna element are anti-
Mutually feed.Further cause and the directional diagram of port is entirely different with the directional diagram of difference port, and then improve antenna transmission device
Transfer rate.
Wherein, the combiner is ferrite coiling device or inductance capacitance device.When the antenna of mobile terminal is designed,
Directly using the circulator with large-size or the device of other branch's parameter designings, and can not need to adopt iron
Oxysome coiling device or with undersized combiner made by low-loss inductance capacitance device.
Wherein, when the combiner be ferrite coiling device when, the ferrite coiling device can including first around
Line unit, the second coiling unit and the 3rd coiling unit, wherein, the first end of first coiling unit is and port, described
The second end ground connection of the first coiling unit；The first end of second coiling unit is difference port；3rd coiling unit
First end is connected with the poor port；Now, it is described by the first antenna unit and second antenna element respectively with
Difference device connection, including：The first antenna unit is connected with the second end of second coiling unit, and by described second day
Line unit is connected with the second end of the 3rd coiling unit.
With the miniaturization and the development of functional diversities of mobile terminal, the antenna needed for communication will necessarily more than two.This
In the antenna design method provided in inventive embodiments, first antenna unit and the second antenna element can also be by multiple antennas
The subarray of composition, and the gain of the subarray of multiple antennas composition is higher, shows preferable in the case of feeble field.
To sum up, the antenna design method for providing in fourth embodiment of the invention can be caused first day in limited space
There is the isolation between larger difference, and antenna element and meet civilian logical in the antenna pattern between line unit and the second antenna element
Letter demand, therefore, it is possible to improve the antenna transmission speed of mobile terminal.In addition, the antenna design method can also with port side
It is under figure fixing situation, poor by the current feed phase for changing the two neighboring antenna element in difference port, with adaptively changing radiation side
Xiang Tu.To sum up, the antenna design method can be good at meeting MIMO that (Multi-input Multi-output, multi input are more
Output) demand that communicates.
The preferred embodiment of the upper only embodiment of the present invention, is not limited to the embodiment of the present invention, for ability
For field technique personnel, the embodiment of the present invention can have various changes and change.All spirit and principle in the embodiment of the present invention
Within any modification, equivalent substitution and improvements made etc., should be included within the protection domain of the embodiment of the present invention.
Claims (7)
1. a kind of antenna transmission device, it is characterised in that including combiner, first antenna unit and the second antenna element, wherein,
The combiner includes and port and difference port；
When the combiner and during port working, the first antenna unit that be connected with the combiner and with combiner company
The the second antenna element homophase feed for connecing；
When the poor port working of the combiner, the first antenna unit that is connected with the combiner and connect with the combiner
The anti-phase feed of the second antenna element for connecing；
The combiner includes the first coiling unit, the second coiling unit and the 3rd coiling unit, wherein, the first coiling list
The first end of unit is and port that the second end of first coiling unit is grounded；
The first end of second coiling unit is difference port, the second end of second coiling unit and the first antenna list
Unit's connection；The first end of the 3rd coiling unit is connected with the poor port, the second end of the 3rd coiling unit and described
Two antenna elements connect.
2. device according to claim 1, it is characterised in that
Include at least one antenna in the first antenna unit and in second antenna element.
3. device according to claim 1, it is characterised in that
The combiner is ferrite coiling device or inductance capacitance device.
4. a kind of mobile terminal, it is characterised in that include the antenna transmission device as described in any one of claim 1-3.
5. a kind of antenna design method, it is characterised in that include：
It is first antenna unit and the second antenna element by antenna partition；
The first antenna unit and second antenna element are connected with combiner respectively so that when the sum of the combiner
During port working, the first antenna unit and the second antenna element homophase feed, when the poor port work of shown combiner
When making, the first antenna unit and the anti-phase feed of second antenna element；
The combiner includes the first coiling unit, the second coiling unit and the 3rd coiling unit, wherein, the first coiling list
The first end of unit is and port that the second end of first coiling unit is grounded；The first end of second coiling unit is poor
Port, the second end of second coiling unit are connected with the first antenna unit；The first end of the 3rd coiling unit
It is connected with the poor port, the second end of the 3rd coiling unit is connected with second antenna element；
Wherein, it is described that the first antenna unit and second antenna element are connected with combiner respectively, including：
The first antenna unit is connected with the second end of second coiling unit, and by second antenna element and institute
State the second end connection of the 3rd coiling unit.
6. method according to claim 5, it is characterised in that
At least include an antenna in the first antenna unit and in second antenna element.
7. method according to claim 5, it is characterised in that
The combiner is ferrite coiling device or inductance capacitance device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410306801.0A CN104092026B (en) | 2014-06-30 | 2014-06-30 | A kind of antenna transmission device and mobile terminal and antenna design method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410306801.0A CN104092026B (en) | 2014-06-30 | 2014-06-30 | A kind of antenna transmission device and mobile terminal and antenna design method |
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| Publication Number | Publication Date |
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| CN104092026A CN104092026A (en) | 2014-10-08 |
| CN104092026B true CN104092026B (en) | 2017-03-29 |
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| CN201410306801.0A Expired - Fee Related CN104092026B (en) | 2014-06-30 | 2014-06-30 | A kind of antenna transmission device and mobile terminal and antenna design method |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110429379B (en) * | 2019-08-12 | 2020-07-14 | 上海交通大学 | Gap-coupled short-circuited patch antenna with symmetrical and differential beams |
| CN110797642B (en) * | 2019-11-15 | 2021-11-12 | Oppo广东移动通信有限公司 | Antenna module and terminal |
| CN110752439B (en) * | 2019-11-15 | 2021-11-12 | Oppo广东移动通信有限公司 | Antenna module and terminal |
| CN110829023B (en) * | 2019-11-15 | 2021-11-02 | Oppo广东移动通信有限公司 | Antenna module and terminal |
| CN110829025B (en) * | 2019-11-15 | 2021-11-12 | Oppo广东移动通信有限公司 | Antenna module, terminal and method for adjusting antenna isolation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1945982A (en) * | 2005-08-10 | 2007-04-11 | 索尼株式会社 | Communication system, transmitting device, transmitting method, receiving device, and receiving method |
| CN103236588A (en) * | 2013-03-29 | 2013-08-07 | 京信通信技术(广州)有限公司 | Multi-polarization antenna system and antenna array with same |
| CN103296487A (en) * | 2013-05-23 | 2013-09-11 | 京信通信技术(广州)有限公司 | Multi-polarization antenna system and polarization conversion network for multi-polarization antenna system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3525995A (en) * | 1967-03-14 | 1970-08-25 | Collins Radio Co | Amplitude tapering,nonsymmetrical binary feed networks for highpower hf phased arrays |
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2014
- 2014-06-30 CN CN201410306801.0A patent/CN104092026B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1945982A (en) * | 2005-08-10 | 2007-04-11 | 索尼株式会社 | Communication system, transmitting device, transmitting method, receiving device, and receiving method |
| CN103236588A (en) * | 2013-03-29 | 2013-08-07 | 京信通信技术(广州)有限公司 | Multi-polarization antenna system and antenna array with same |
| CN103296487A (en) * | 2013-05-23 | 2013-09-11 | 京信通信技术(广州)有限公司 | Multi-polarization antenna system and polarization conversion network for multi-polarization antenna system |
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| CN104092026A (en) | 2014-10-08 |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
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Granted publication date: 20170329 |