CN108539379B - Antenna system and Related product - Google Patents
Antenna system and Related product Download PDFInfo
- Publication number
- CN108539379B CN108539379B CN201810258070.5A CN201810258070A CN108539379B CN 108539379 B CN108539379 B CN 108539379B CN 201810258070 A CN201810258070 A CN 201810258070A CN 108539379 B CN108539379 B CN 108539379B
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- China
- Prior art keywords
- tuner
- antenna
- capacitor
- antenna system
- antenna radiator
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
Abstract
It includes: antenna radiator, the first signal source, second signal source, first capacitor, the second capacitor and the first tuner that the embodiment of the present application, which discloses a kind of antenna system and Related product, the described antenna system,;The left end of the antenna radiator connects one end of the first capacitor, the other end of the first capacitor connects first signal source, the second end of the antenna radiator connects one end of second capacitor, the other end of second capacitor connects the second signal source, one end of first tuner is connect between the first end and the second end with the antenna radiator, the other end ground connection of first tuner.Technical solution provided by the present application has isolation between antennas good, the high advantage of user experience.
Description
Technical field
This application involves technical field of mobile terminals, and in particular to a kind of antenna system and Related product.
Background technique
With a large amount of popularization and applications of the wireless telecom equipments such as smart phone, the application that smart phone can be supported is increasingly
More, function is stronger and stronger, and smart phone develops towards diversification, personalized direction, becomes indispensable in user's life
Appliance and electronic.Antenna belongs to the essential element of smart phone, with user's wanting to the data transmission and reception of smart phone
Ask higher and higher, the structure of antenna also becomes increasingly complex, multiple-input, multiple-output (English: Multiple-Input Multiple-
Output, referred to as: MIMO) technology is also applied in smart phone, for mimo antenna, the isolation of antenna is relatively low, uses
Family Experience Degree is poor.
Summary of the invention
The embodiment of the present application provides a kind of antenna system and wireless telecom equipment mentions to improve the isolation of antenna
High user experience.
In a first aspect, the embodiment of the present application provides a kind of antenna system, the described antenna system include: antenna radiator,
First signal source, second signal source, first capacitor, the second capacitor and the first tuner;
The first end of the antenna radiator connects one end of the first capacitor, the other end connection of the first capacitor
First signal source, the second end of the antenna radiator connect one end of second capacitor, second capacitor it is another
One end connects the second signal source, one end of first tuner between the first end and the second end with it is described
Antenna radiator connection, the other end ground connection of first tuner.
Second aspect, provides a kind of electronic equipment, and the electronic equipment includes the antenna system of first aspect.
As can be seen that embodiment adds tuners in the embodiment of the present application, it is shown experimentally that, increases tuner
Antenna system afterwards has good buffer action, so it is good with isolation between antennas, the high advantage of user experience.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of wireless telecom equipment.
Fig. 2 a is a kind of antenna system configuration schematic diagram of the application.
Fig. 2 b is another antenna system configuration schematic diagram of the application.
Fig. 3 a is a kind of curve synoptic diagram of isolation between antennas of the application.
Fig. 3 b is the curve synoptic diagram of another isolation between antennas of the application.
Fig. 3 c is the curve synoptic diagram of another isolation between antennas of the application.
Fig. 4 a is a kind of structural schematic diagram of tuner of the application.
Fig. 4 b is the structural schematic diagram of the application another kind tuner.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, those of ordinary skill in the art are obtained every other under that premise of not paying creative labor
Embodiment shall fall in the protection scope of this application.
The description and claims of this application and term " first " in above-mentioned attached drawing, " second " etc. are for distinguishing
Different objects, are not use to describe a particular order.In addition, term " includes " and " having " and their any deformations, it is intended that
It is to cover and non-exclusive includes.Such as the process, method, system, product or equipment for containing a series of steps or units do not have
It is defined in listed step or unit, but optionally further comprising the step of not listing or unit, or optionally also wrap
Include other step or units intrinsic for these process, methods, product or equipment.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
It is contained at least one embodiment of the application.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
Isolation can be with are as follows: the incident power and the incident power in a port of multi-port antenna are on other ports
Available power ratio.
Wireless telecom equipment involved by the embodiment of the present application may include various hand-held with wireless communication function
Equipment, wearable device, calculates equipment or is connected to other processing equipments of radio modem mobile unit, and each
The user equipment (User Equipment, UE) of kind form, mobile station (Mobile Station, MS), terminal device
(terminal device) etc..Certainly in other application, above-mentioned wireless telecom equipment can also be network side equipment, example
Such as base station, access point network side equipment.For convenience of description, apparatus mentioned above is referred to as wireless telecom equipment.
Referring to Fig. 1, Fig. 1 is that the embodiment of the present application provides a kind of structural schematic diagram of multidiameter option switch 10, this is more
Road selects switch application in wireless telecom equipment 100, and the wireless telecom equipment 100 includes antenna system 20;Antenna system 20
It include: antenna radiator 21, the first signal source 22, second signal source 23, first capacitor C1 and the second capacitor C2;
Wherein, one end of the first end connection first capacitor C1 of antenna radiator 21, the other end connection of first capacitor C1
First signal source 22, the right end of antenna radiator 21 connect one end of the second capacitor C2, the other end connection of the second capacitor C2 the
Binary signal source 22, the first end of antenna radiator 21 and the second end indirectly.
Refering to fig. 1, as shown in Figure 1, antenna radiator 21 by the first end and the second end indirectly in logic
On be divided into 2 antennas, for convenience of description, 2 antennas are known as antenna 1 and antenna 2 here, antenna 1 passes through C1 and the
The connection of one signal source, antenna 2 are connect by C2 with second signal source.The curve of the isolation of structure as shown in Figure 1 such as Fig. 3 a
301 and curve 302 shown in, refering to Fig. 3 a, the value of the isolation of structure as shown in Figure 1 is poor, i.e., the value of isolation compared with
Greatly.
Refering to Fig. 2 a, Fig. 2 a is a kind of antenna system provided by the embodiments of the present application, and the antenna system is as shown in Figure 2 a, packet
It includes: antenna radiator 21, the first signal source 22, second signal source 23, first capacitor C1, the second capacitor C2 and 1 tuner
208;
One end of the first end connection first capacitor C1 of antenna radiator 21, the first letter of other end connection of first capacitor C1
Number source 22, the second end of antenna radiator 21 connect one end of the second capacitor C2, the second letter of other end connection of the second capacitor C2
Number source 22, one end of tuner (Tuner) 1 are connect between the first end and the second end with the antenna radiator,
The other end of tuner 1 is grounded.
The antenna radiator 21 is specifically as follows: flexible circuit board (FPC), laser direct forming antenna (LDS) or printing
Antenna (PDS).
Refering to Fig. 3 a, Fig. 3 a is tuner 1 when being 3.7pF capacitor, and the isolation of antenna system as shown in Figure 2 a shows
It is intended to, as shown in Figure 3a, curve 303 is the schematic diagram of the isolation of antenna system as shown in Figure 2 a.As shown in Figure 3a, pass through tune
Humorous device 1 is 3.7pF capacitor to the isolation between antenna 1 and antenna 2, improves isolation.
Refering to Fig. 2 b, Fig. 2 b is a kind of antenna system provided by the embodiments of the present application, and the antenna system is as shown in Figure 2 a, packet
It includes: antenna radiator 21, the first signal source 22, second signal source 23, first capacitor C1, the second capacitor C2,3 tuners;
One end of the first end connection first capacitor C1 of antenna radiator 21, the first letter of other end connection of first capacitor C1
Number source 22, the second end of antenna radiator 21 connect one end of the second capacitor C2, the second letter of other end connection of the second capacitor C2
Number source 22, the point (preferred center point) between the first end and the second end of antenna radiator 21 connect tuner
1 one end, the other end ground connection of tuner 1;The first end of one end connection antenna radiator 21 of tuner 2, the one of tuner 3
The other end of the second end of end connection antenna radiator 21, adjuster 2 and tuner 3 is grounded.
By adjust the adjustable antenna of Tuner1 isolation, the resonance frequency of the adjustable antenna of Tuner2&3, from
And covering different frequency range is enabled the antenna to, and such as: Tuner2&3 0.5pF, Tuner1 8.7pF.
As shown in Figure 3b, the value of Tuner1 changes, the change curve 304 of isolation.
As shown in Figure 3c, Tuner2&3 0.5pF, Tuner1 8.7pF, the change curve 305 such as Fig. 3 c of the isolation
It is shown.
As shown in Fig. 3 a, Fig. 3 b, Fig. 3 c, after increasing Tuner1, the isolation of antenna is obviously improved, and is mentioned so it has
The advantages of high isolation between antennas, can be tuned antenna 1 and antenna 2, adjustable 2 in addition, increasing Tuner2&3
The resonance frequency of antenna.
Optionally, Tuner can be with are as follows: variable capacitance, variable inductance.
Certainly in practical applications, the structure of above-mentioned Tuner can also as shown in fig. 4 a, as shown in fig. 4 a, the Tuner packet
It includes: variable capacitance, switch, wherein one end of switch k connects antenna radiator 21 (first end, second end or first end and second
Between end), one end of the other end connection variable capacitance of switch, the other end ground connection of variable capacitance.Optionally, the switch is specific
It can be switching tube, such as mos pipe, triode etc..
Certainly in practical applications, the structure of above-mentioned Tuner can also be as shown in Figure 4 b, as shown in Figure 4 b, the Tuner packet
It includes: variable capacitance 401, variable inductance 402, selection switch 403, wherein select the common end connection antenna radiator 21 of switch
(between first end, second end or first end and second end), select switch two selection ends be separately connected variable capacitance with can
The other end of one end of power transformation sense, variable capacitance and variable inductance is grounded.
Structure as shown in Figure 4 b, if antenna radiator belongs to the tuning of high-frequency signal, selection switch connection is variable
Inductance, if antenna radiator belongs to the tuning of low frequency signal, selection switch connection variable capacitance.
The application also provides a kind of smart phone, and the intelligent mobile phone antenna system, the antenna system is as shown in Figure 2 a, packet
It includes: antenna radiator 21, the first signal source 22, second signal source 23, first capacitor C1, the second capacitor C2 and 1 tuner
208;The antenna system can be to be multiple according to the quantity of antenna, such as 2 antennas, then quantity is 2, such as 4 antennas, then counts
Amount is 2, such as 8 antennas, then quantity is 4, such as 12 antennas, then quantity is 6, such as 16 antennas, then quantity is 8.
One end of the first end connection first capacitor C1 of antenna radiator 21, the first letter of other end connection of first capacitor C1
Number source 22, the second end of antenna radiator 21 connect one end of the second capacitor C2, the second letter of other end connection of the second capacitor C2
Number source 22, one end of point connection tuner (Tuner) 1 between the first end and second end of antenna radiator 21, tuning
The other end of device 1 is grounded.
Refering to Fig. 3 a, Fig. 3 a is tuner 1 when being 3.7pF capacitor, and the isolation of antenna system as shown in Figure 2 a shows
It is intended to, as shown in Figure 3a, curve 303 is the schematic diagram of the isolation of antenna system as shown in Figure 2 a.As shown in Figure 3a, pass through tune
Humorous device 1 is 3.7pF capacitor to the isolation between antenna 1 and antenna 2, improves isolation.
Refering to Fig. 2 b, Fig. 2 b is a kind of antenna system provided by the embodiments of the present application, and the antenna system is as shown in Figure 2 a, packet
It includes: antenna radiator 21, the first signal source 22, second signal source 23, first capacitor C1, the second capacitor C2,3 tuners;
One end of the first end connection first capacitor C1 of antenna radiator 21, the first letter of other end connection of first capacitor C1
Number source 22, the second end of antenna radiator 21 connect one end of the second capacitor C2, the second letter of other end connection of the second capacitor C2
Number source 22, one end of the point connection tuner 1 between the first end and second end of antenna radiator 21, tuner 1 it is another
One end ground connection;The first end of one end connection antenna radiator 21 of tuner 2, one end of tuner 3 connects antenna radiator 21
Second end, the other end of adjuster 2 and tuner 3 is grounded.
By adjust the adjustable antenna of Tuner1 isolation, the resonance frequency of the adjustable antenna of Tuner2&3, from
And covering different frequency range is enabled the antenna to, and such as: Tuner2&3 0.5pF, Tuner1 8.7pF.
As shown in Figure 3b, the value of Tuner1 changes, the change curve 304 of isolation.
As shown in Figure 3c, Tuner2&3 0.5pF, Tuner1 8.7pF, the change curve 305 such as Fig. 3 c of the isolation
It is shown.
As shown in Fig. 3 a, Fig. 3 b, Fig. 3 c, after increasing Tuner1, the isolation of antenna is obviously improved, and is mentioned so it has
The advantages of high isolation between antennas, can be tuned antenna 1 and antenna 2, adjustable 2 in addition, increasing Tuner2&3
The resonance frequency of antenna.
Optionally, Tuner can be with are as follows: variable capacitance, variable inductance.
Certainly in practical applications, the structure of above-mentioned Tuner can also as shown in fig. 4 a, as shown in fig. 4 a, the Tuner packet
It includes: variable capacitance, switch, wherein one end connection antenna radiator 21 (first end, second end or first end and the second end that switch
Between), one end of the other end connection variable capacitance of switch, the other end ground connection of variable capacitance.Optionally, which specifically may be used
Think switching tube, such as mos pipe, triode etc..
Certainly in practical applications, the structure of above-mentioned Tuner can also be as shown in Figure 4 b, as shown in Figure 4 b, the Tuner packet
It includes: variable capacitance, variable inductance, selection switch, wherein select common end connection antenna radiator 21 (first end, the of switch
Between two ends or first end and second end), select two selection ends of switch to be separately connected the one of variable capacitance and variable inductance
The other end ground connection of end, variable capacitance and variable inductance.
Structure as shown in Figure 4 b, if antenna radiator belongs to the tuning of high-frequency signal, selection switch connection is variable
Inductance, if antenna radiator belongs to the tuning of low frequency signal, selection switch connection variable capacitance.
It is the embodiment of the embodiment of the present application above, it is noted that those skilled in the art are come
It says, under the premise of not departing from the embodiment of the present application principle, several improvements and modifications can also be made, these improvements and modifications
It is considered as the protection scope of the application.
Claims (9)
1. a kind of antenna system, which is characterized in that the antenna system includes: antenna radiator, the first signal source, second signal
Source, first capacitor, the second capacitor and the first tuner;
The first end of the antenna radiator connects one end of the first capacitor, described in the other end connection of the first capacitor
First signal source, the second end of the antenna radiator connect one end of second capacitor, the other end of second capacitor
Connect the second signal source, one end of first tuner between the first end and the second end with the antenna
Radiator connection, the other end ground connection of first tuner;
The antenna system further include: the second tuner and third tuner;Wherein,
One end of second tuner connects the first end of the antenna radiator, and one end of the third tuner connects institute
State the second end of antenna radiator, the other end of second tuner and the third tuner is grounded.
2. antenna system according to claim 1, which is characterized in that the tuner are as follows: variable capacitance or variable inductance.
3. antenna system according to claim 1, which is characterized in that the tuner includes: switch and variable capacitance, institute
Switch is stated to connect with the variable capacitance.
4. antenna system according to claim 3, which is characterized in that the switch is mos pipe or triode.
5. antenna system according to claim 1, which is characterized in that the tuner includes: selection switch, variable capacitance
And variable inductance, two selection ends of the selection switch be separately connected the variable capacitance one end and the variable inductance
One end, it is described selection switch common end connect with one end of the tuner, the other end of the variable capacitance and it is described can
The other end of power transformation sense is the other end of the tuner.
6. antenna system according to claim 5, which is characterized in that described to select switch for single-pole double-throw switch (SPDT).
7. antenna system according to claim 1, which is characterized in that the antenna radiator are as follows: flexible circuit board FPC,
Laser direct forming antenna LDS or printed antenna PDS.
8. a kind of electronic equipment, which is characterized in that the electronic equipment includes the antenna as described in claim 1-7 any one
System.
9. electronic equipment according to claim 8, which is characterized in that the quantity of the antenna system is 1,2,4,6 or 8.
Priority Applications (1)
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CN201810258070.5A CN108539379B (en) | 2018-03-27 | 2018-03-27 | Antenna system and Related product |
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CN201810258070.5A CN108539379B (en) | 2018-03-27 | 2018-03-27 | Antenna system and Related product |
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CN108539379A CN108539379A (en) | 2018-09-14 |
CN108539379B true CN108539379B (en) | 2019-08-02 |
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CN201810258070.5A Active CN108539379B (en) | 2018-03-27 | 2018-03-27 | Antenna system and Related product |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN115332792A (en) * | 2021-05-11 | 2022-11-11 | Oppo广东移动通信有限公司 | Antenna structure and electronic equipment |
CN113871872B (en) * | 2021-09-07 | 2022-08-16 | 荣耀终端有限公司 | Multi-antenna system and wireless communication equipment |
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CN103490794A (en) * | 2013-09-09 | 2014-01-01 | 熊猫电子集团有限公司 | Variable shortwave antenna tuner matching network structure circuit |
CN104022354A (en) * | 2014-06-18 | 2014-09-03 | 广东工业大学 | Narrow-spacing low-SAR high-isolation MIMO antenna |
CN204760546U (en) * | 2015-06-12 | 2015-11-11 | 广东欧珀移动通信有限公司 | Antenna system and applied this antenna system's communication terminal |
CN105514578A (en) * | 2016-01-29 | 2016-04-20 | 广东欧珀移动通信有限公司 | Antenna system and mobile terminal |
CN105826653A (en) * | 2015-11-30 | 2016-08-03 | 维沃移动通信有限公司 | Antenna device and mobile terminal |
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TWI370582B (en) * | 2009-12-24 | 2012-08-11 | Acer Inc | Folder-type mobile communication device |
CN104953289B (en) * | 2015-06-12 | 2018-01-19 | 广东欧珀移动通信有限公司 | The communication terminal of antenna system and the application antenna system |
CN108448250B (en) * | 2015-07-23 | 2021-02-09 | Oppo广东移动通信有限公司 | Antenna system and communication terminal applying same |
CN107069212B (en) * | 2017-01-23 | 2021-02-23 | 瑞声科技(南京)有限公司 | Antenna device and mobile terminal applying same |
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103490794A (en) * | 2013-09-09 | 2014-01-01 | 熊猫电子集团有限公司 | Variable shortwave antenna tuner matching network structure circuit |
CN104022354A (en) * | 2014-06-18 | 2014-09-03 | 广东工业大学 | Narrow-spacing low-SAR high-isolation MIMO antenna |
CN204760546U (en) * | 2015-06-12 | 2015-11-11 | 广东欧珀移动通信有限公司 | Antenna system and applied this antenna system's communication terminal |
CN105826653A (en) * | 2015-11-30 | 2016-08-03 | 维沃移动通信有限公司 | Antenna device and mobile terminal |
CN105514578A (en) * | 2016-01-29 | 2016-04-20 | 广东欧珀移动通信有限公司 | Antenna system and mobile terminal |
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