CN108963456A - Antenna match control method and terminal device - Google Patents
Antenna match control method and terminal device Download PDFInfo
- Publication number
- CN108963456A CN108963456A CN201810769515.6A CN201810769515A CN108963456A CN 108963456 A CN108963456 A CN 108963456A CN 201810769515 A CN201810769515 A CN 201810769515A CN 108963456 A CN108963456 A CN 108963456A
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- China
- Prior art keywords
- antenna
- terminal device
- frequency range
- isolation
- duplexer
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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
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
-
- 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
-
- 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
- H01Q1/2258—Supports; Mounting means by structural association with other equipment or articles used with computer equipment
-
- 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
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Transceivers (AREA)
Abstract
The embodiment of the present application discloses a kind of antenna match control method and terminal device, a kind of antenna match control method is applied to terminal device, it include: using first antenna when the first frequency range emits signal when terminal device, whether the isolation of the second antenna and first antenna that judge terminal device is greater than preset threshold；If it is not, the matching of the second antenna is then adjusted, so that the second antenna and the isolation of first antenna are greater than preset threshold.Antenna match control method provided by the embodiments of the present application and terminal device are for providing the wireless signal emissivities of terminal device.
Description
Technical field
The invention relates to antenna technology more particularly to a kind of antenna match control method and terminal devices.
Background technique
The function of the portable terminals such as mobile phone, tablet computer is stronger and stronger, wherein being integrated with multiple functions.
And many functions in terminal device require to be communicated with the external world, therefore terminal device also just needs more antennas to various
The function of being communicated with the external world is needed to be supported.
But the working frequency for more antennas being arranged in terminal device may be same or similar, and the space in terminal device
It is again extremely limited, cause the isolation in terminal device between each antenna may be insufficient, there may be mutual at work for antenna
Interference, so as to influence the communication function of terminal device.Especially in the terminal device of application diversity reception, due to simultaneously
Provided with the identical primary antenna of working frequency range and diversity antenna, in transmit state, when primary antenna individually emits signal, will receive
The influence of diversity antenna, to influence the normal communication of terminal device.
Summary of the invention
The application provides a kind of antenna match control method and terminal device, for improving the signal launch energy of terminal device
Power.
In a first aspect, the embodiment of the present application provides a kind of antenna match control method, it is applied to terminal device, comprising:
When terminal device using first antenna when the first frequency range emits signal, judge the second antenna and the of terminal device
Whether the isolation of one antenna is greater than preset threshold；
If it is not, the matching of the second antenna is then adjusted, so that the second antenna and the isolation of first antenna are greater than preset threshold.
In a kind of possible implementation of first aspect, the matching of the second antenna is adjusted, so that the second antenna and first
The isolation of antenna is greater than preset threshold, comprising:
By controlling the duplexer connecting with the second antenna, the second antenna of control and Different matching circuit connection, adjustment
The matching of second antenna, so that the second antenna and the isolation of first antenna are greater than preset threshold.
In a kind of possible implementation of first aspect, first antenna is identical with the working frequency range of the second antenna.
In a kind of possible implementation of first aspect, first antenna and the second antenna are respectively same communication standard
Primary antenna and diversity antenna.
In a kind of possible implementation of first aspect, the first frequency range is TDD frequency range.
Second aspect, the embodiment of the present application provide a kind of terminal device, comprising: terminal device main body and at least two days
Line；
At least two antennas are set in terminal device main body, at least one antenna is connected by duplexer and match circuit
It connects；
When the first antenna at least two antennas is when the first frequency range emits signal, it is logical that terminal device controls at least one
The second tested rotating platform matching that duplexer is connect with match circuit is crossed, so that the second antenna and the isolation of first antenna are greater than
Preset threshold.
In a kind of possible implementation of second aspect, the second antenna is connected by duplexer and multiple match circuits
It connects, multiple match circuits are used to be matched for the second antenna in multiple and different frequency ranges.
In a kind of possible implementation of second aspect, first antenna is connected by duplexer and multiple match circuits
It connects, multiple match circuits are used to be matched for first antenna in multiple and different frequency ranges.
In a kind of possible implementation of second aspect, first antenna is identical with the working frequency range of the second antenna.
In a kind of possible implementation of second aspect, first antenna and the second antenna are respectively same communication standard
Primary antenna and diversity antenna.
In a kind of possible implementation of second aspect, the first frequency range is TDD frequency range.
Antenna match control method provided by the embodiments of the present application and terminal device, when terminal device includes at least two days
When line, at least one antenna is connect by duplexer with match circuit；When the first antenna at least two antennas is
When one frequency range emits signal, at least one the second tested rotating platform matching connecting by duplexer with match circuit is controlled, with
The second antenna and the isolation of first antenna is set to be greater than preset threshold, so that there are multiple working frequency range are identical in terminal device
When antenna, the signal transmitting of antenna will not be interfered, and improve the wireless signal emissivities of terminal device.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of terminal device embodiment one provided by the embodiments of the present application；
Fig. 2 is the flow chart of antenna match control method embodiment one provided by the embodiments of the present application.
Specific embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the application, rather than the restriction to the application.It also should be noted that in order to just
Part relevant to the application is illustrated only in description, attached drawing rather than entire infrastructure.
With the raising of terminal device integrated level, the communication function that terminal device is supported is more and more, current mobile phone,
The portable terminals such as tablet computer can at least support a kind of mobile communication standard and global positioning system (Global
Positioning System, GPS), Wireless Fidelity (WIreless-Fidelity, WIFI), various other channel radios such as bluetooth
Letter standard and the function of needing to carry out wireless data transmission.And the various wireless functions of carrying out wireless data transmission require accordingly
Antenna support.Due to the small volume of terminal device, wherein the clear space that can design antenna is very limited, lead to antenna
Design difficulty is larger, and the Antenna Operation frequency range in terminal device is all relatively limited.And due to the frequency range of various wireless communication standards
It is different, it is necessary to design numerous antennas in terminal device to support the various wireless communication standard of terminal device.
In addition, even if, in order to improve signal receiving strength, can also use diversity reception under a kind of wireless communication standard
Scheme is received, i.e., two or more same band antennas are arranged simultaneously in terminal device, use two or two
Above same band antenna carries out the reception of signal simultaneously, and synthesizes to the signal that mutiple antennas receives, to improve end
The signal reception of end equipment.In two of them or more than two same band antennas, one as primary antenna and other make
For diversity antenna.And when terminal device carries out signal transmitting, it generally only uses primary antenna and is emitted.But since terminal is set
The identical two or more antennas of working frequency range are provided in standby, when primary antenna is emitted, working frequency range is identical
Diversity antenna can to primary antenna emit signal generate interference, to influence the signal emissivities of terminal device.
To sum up, in current terminal device, identical more antennas of working frequency range if it exists then may be to terminal device
Signal emissivities have an impact.
Fig. 1 is the structural schematic diagram of terminal device embodiment one provided by the embodiments of the present application, as shown in Figure 1, this implementation
Example provide terminal device include:
Terminal device main body 11 and first antenna 12, the second antenna 13.First antenna 12 and the second antenna 13 are set to end
In end equipment main body 11, the second antenna 13 is connect by duplexer 14 with match circuit 15.
Terminal device provided by the present embodiment can be the terminal device for supporting at least one wireless communication standard, should
Wireless communication standard is, for example, long term evolution (Long Term Evolution, LTE) or other mobile communication standards, and
GPS, bluetooth, WIFI etc. other need to carry out the wireless communication standard of wireless data transmission.Terminal provided by the present embodiment is set
The standby e.g. portable terminals such as mobile phone, tablet computer.In order to make terminal device wirelessly communicate standard by least one
It realizes communication, is provided at least one antenna on the terminal device, it is however generally that, every kind of wireless communication standard has required at least
One independent antenna match.It in the present embodiment, include 13 two antennas of first antenna 12 and the second antenna with terminal device
For, first antenna 12 and the second antenna 13 can be the antenna of any wireless communication standard of support.First antenna 12 and
The concrete form and structure of two antennas 13 are unlimited, for example, inverse-F antenna (Inverted-FAntenna, IFA), planar inverted-F antenna
(Planar Inverted-F Antenna, PIFA), slot antenna etc., first antenna 12 and the second antenna 13 can be set
Any position of terminal device main body 11, such as the positions such as frame, back-cover, mainboard, center of terminal device main body.First antenna
12 and second antenna 13 connected by the feeding point being set in terminal device main body 11 with corresponding radio circuit, to realize
The transmitting-receiving of wireless signal.
In various wireless communication standard in terminal device, at least a kind of wireless communication standard is needed with signal transmitting
Ability, wherein first antenna 12 is the antenna for supporting to have the wireless communication standard of signal emissivities.And 13 institute of the second antenna
The wireless communication standard of support can have signal emissivities, can also not have signal emissivities and only connect with signal
Receipts ability.
Every kind of wireless communication standard that terminal device is supported has fixed working frequency range, therefore supports every kind of channel radio
The antenna of letter standard is all designed to work in corresponding frequency range, and the working frequency range of antenna is the build-in attribute of antenna, works as antenna
Physical parameter determine after, the working frequency range of antenna is exactly fixed.In the present embodiment, the working frequency range of first antenna 12 is
First frequency range, when the first antenna 12 of terminal device is when the first frequency range emits signal, if the working frequency range of the second antenna 13
Near the first frequency range or the first frequency range, then the signal emitted first antenna 12 is generated interference by the second antenna 13, from
And may the signal emissivities to terminal device have an impact.Therefore, in the present embodiment, the second antenna 13 is passed through into antenna
Switch 14 is connect with match circuit 15.When first antenna 12 is when the first frequency range emits signal, control duplexer 14 adjustment the
The match circuit 15 that two antennas 13 are connected, so that the second antenna 13 is connected to the different elements of match circuit 15 or is connected to
Different match circuits 15.Due to the Different matching circuit or Different matching element of antenna connection, the characteristic resistance of antenna will lead to
The physical parameters such as anti-change, therefore after having adjusted match circuit 15 that the second antenna 13 is connected, can make second day
The working frequency range of line 13 changes, when the working frequency range of the second antenna 13 is different from the first frequency range or difference is larger, second
Antenna 13 will not generate interference to the signal that first antenna 12 emits, or will reduce the dry of the signal emitted first antenna 12
It disturbs.A kind of working frequency range of the support as needed for wireless communication standard may be wider, and first antenna 12 may also be opened by antenna
Pass is connect with match circuit, to be adjusted to the working frequency range of first antenna 12.So in order to enable the second antenna 13
, can be by adjusting matching lower interference in the work of first antenna 12 in various different frequency ranges, therefore match circuit 15 can
Think multiple match circuits, the second antenna 13 can be separately connected by duplexer 13 and multiple match circuits 15, when second
When antenna 13 is connected from different match circuits, the second antenna 13 works in different frequency ranges.
On the other hand, the degree that interference is generated between antenna can indicate that isolation is with decibel with isolation
It indicates, the degree that interference is generated between two antennas is higher, and isolation is lower, on the contrary, two antennas generate the journey of interference
Degree is lower, and isolation is higher.Therefore, the match circuit 15 connected by adjusting duplexer 14 to the second antenna 13 is adjusted
Whole, purpose is exactly so that the second antenna 13 and the isolation of first antenna 12 did preset threshold.
The second antenna 13 in the present embodiment can be the antenna for supporting same wireless communication standard with first antenna 12,
Such as primary antenna and diversity antenna in diversity reception scheme, i.e. identical two antennas of working frequency range, wherein first day
Line 12 is primary antenna, and the second antenna 13 is diversity antenna.In receive state, first antenna 12 and the work of the second antenna 13 are in phase
Same frequency range, while the reception of signal is carried out, and in transmit state, first antenna 12 carries out the transmitting of signal, if the second antenna
13 working frequency range is still identical as first antenna 12, then can generate interference, therefore can use scheme provided in this embodiment
Eliminate interference.First antenna 12 and the second antenna 13 are also possible to support the antenna of different wireless communication standard, such as LTE antenna
With WiFi antenna, wherein certain frequency ranges of LTE, such as B40 frequency range are identical as the working frequency range of WiFi 2.4GHz, then at end
When end equipment is carried out data transmission by LTE network, so that it may be adjusted the matching of WiFi antenna, to eliminate relevant
Interference.
In addition, there is time division duplex (Time Division Duplexing, TDD) and frequency division for wirelessly communicating standard
Various modes such as duplexing (Frequency Division Duplexing, FDD), wherein in tdd mode, the reception of signal and hair
Sending is carried out in similar frequency bands, therefore in tdd mode, when antenna carries out signal transmitting, the same frequency shadow that may receive
Sound is bigger.Therefore, in the present embodiment, when the first frequency range that first antenna 12 emits signal is TDD frequency range, using this implementation
Scheme provided by example, can more efficiently solve to interfere.
The present embodiment is to be illustrated so that terminal device includes two antennas as an example to terminal device provided by the present application,
But in terminal device provided by the present application, the quantity of antenna is not limited, such as terminal device can also include three days
Two of them antenna is all passed through duplexer and connect with match circuit by line, when an antenna carries out signal transmitting, passes through tune
The duplexer that other two whole antenna is connected, so that the isolation of other two antenna and the antenna of transmitting signal is both greater than
Preset threshold can avoid interference.
In addition, being to be located at 11 top of terminal device main body with first antenna 12, the second antenna 13 is located in the present embodiment
The explanation carried out for 11 lower section of terminal device main body.But the position of first antenna 12 and the second antenna 13 is not limited, the
One antenna 12 and first antenna 13 for example can also be top and left, the top and the right side for being located at terminal device main body 11
A variety of positions such as square, lower section and left, lower section and right.
Terminal device provided in this embodiment leads at least one antenna when terminal device includes at least two antenna
Duplexer is crossed to connect with match circuit；When the first antenna at least two antennas the first frequency range emit signal when, control
At least one second tested rotating platform being connect with match circuit by duplexer matches, so that the second antenna and first antenna
Isolation is greater than preset threshold, so that the signal of antenna emits in terminal device when antenna identical there are multiple working frequency range
It will not be interfered, improve the wireless signal emissivities of terminal device.
Fig. 2 is the flow chart of antenna match control method embodiment one provided by the embodiments of the present application, as shown in Fig. 2, this
Embodiment provide method include:
Step 201, when terminal device using first antenna the first frequency range emit signal when, judge the second of terminal device
Whether antenna and the isolation of first antenna are greater than preset threshold.
Step 202, if it is not, then adjusting the matching of the second antenna, so that the second antenna and the isolation of first antenna are greater than
Preset threshold.
Antenna match control method provided in this embodiment is used for the terminal device progress to including at least two antennas
With control.Wherein the terminal device can be the terminal device in embodiment illustrated in fig. 1.Its specific antenna match control method
It is elaborated in the embodiment shown in fig. 1, details are not described herein again.
Further, in the embodiment depicted in figure 2, the matching for adjusting the second antenna, so that the second antenna and first antenna
Isolation be greater than preset threshold, comprising: by controlling the duplexer that connect with the second antenna, control the second antenna from it is different
Match circuit connection, adjusts the matching of the second antenna, so that the second antenna and the isolation of first antenna are greater than preset threshold.
Further, in the embodiment depicted in figure 2, first antenna is identical with the working frequency range of the second antenna.
Further, in the embodiment depicted in figure 2, first antenna and the second antenna are respectively the main day of same communication standard
Line and diversity antenna.
Further, in the embodiment depicted in figure 2, the first frequency range is TDD frequency range.
Note that above are only the preferred embodiment and institute's application technology principle of the application.It will be appreciated by those skilled in the art that
The application is not limited to specific embodiment described here, be able to carry out for a person skilled in the art it is various it is apparent variation,
The protection scope readjusted and substituted without departing from the application.Therefore, although being carried out by above embodiments to the application
It is described in further detail, but the application is not limited only to above embodiments, in the case where not departing from the application design, also
It may include more other equivalent embodiments, and scope of the present application is determined by the scope of the appended claims.
Claims (11)
1. a kind of antenna match control method is applied to terminal device characterized by comprising
When the terminal device using first antenna the first frequency range emit signal when, judge the second antenna of the terminal device
Whether it is greater than preset threshold with the isolation of the first antenna；
If it is not, the matching of second antenna is then adjusted, so that second antenna and the isolation of the first antenna are greater than
Preset threshold.
2. the method according to claim 1, wherein the matching of the adjustment second antenna, so that described
Second antenna and the isolation of the first antenna are greater than preset threshold, comprising:
By controlling the duplexer connecting with second antenna, control second antenna and Different matching circuit connection,
The matching of second antenna is adjusted, so that second antenna and the isolation of the first antenna are greater than preset threshold.
3. method according to claim 1 or 2, which is characterized in that the work of the first antenna and second antenna
Frequency range is identical.
4. according to the method described in claim 3, it is characterized in that, the first antenna and second antenna are respectively same
The primary antenna and diversity antenna of communication standard.
5. method according to claim 1 or 2, which is characterized in that first frequency range is Time Division Duplex TDD frequency range.
6. a kind of terminal device characterized by comprising terminal device main body and at least two antennas；
At least two antenna is set in the terminal device main body, at least one antenna by duplexer with match electricity
Road connection；
When the first antenna at least two antenna is when the first frequency range emits signal, the terminal device controls at least one
A the second tested rotating platform matching being connect by duplexer with match circuit, so that second antenna and the first antenna
Isolation be greater than preset threshold.
7. terminal device according to claim 6, which is characterized in that second antenna passes through duplexer and multiple
With circuit connection, the multiple match circuit is used to be matched for second antenna in multiple and different frequency ranges.
8. terminal device according to claim 6, which is characterized in that the first antenna passes through duplexer and multiple
With circuit connection, the multiple match circuit is used to be matched for the first antenna in multiple and different frequency ranges.
9. according to the described in any item terminal devices of claim 6~8, which is characterized in that the first antenna and described second
The working frequency range of antenna is identical.
10. terminal device according to claim 9, which is characterized in that the first antenna and second antenna difference
For the primary antenna and diversity antenna of same communication standard.
11. according to the described in any item terminal devices of claim 6~8, which is characterized in that first frequency range is time division duplex
TDD frequency range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810769515.6A CN108963456A (en) | 2018-07-13 | 2018-07-13 | Antenna match control method and terminal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810769515.6A CN108963456A (en) | 2018-07-13 | 2018-07-13 | Antenna match control method and terminal device |
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| Publication Number | Publication Date |
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| CN108963456A true CN108963456A (en) | 2018-12-07 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810769515.6A Pending CN108963456A (en) | 2018-07-13 | 2018-07-13 | Antenna match control method and terminal device |
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Cited By (8)
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|---|---|---|---|---|
| CN110247678A (en) * | 2019-04-24 | 2019-09-17 | 维沃移动通信有限公司 | A kind of terminal control method and terminal |
| CN110957577A (en) * | 2019-11-28 | 2020-04-03 | 宇龙计算机通信科技(深圳)有限公司 | Antenna structure and terminal |
| CN111679247A (en) * | 2020-06-17 | 2020-09-18 | 广东博智林机器人有限公司 | Signal sending method and system, target positioning method, storage medium and processor |
| CN112351335A (en) * | 2020-06-17 | 2021-02-09 | 青岛智动精工电子有限公司 | Wireless communication television |
| CN112449351A (en) * | 2019-09-03 | 2021-03-05 | 丽水青达科技合伙企业(有限合伙) | Resource scheduling method based on space isolation |
| CN112449353A (en) * | 2019-09-05 | 2021-03-05 | 丽水青达科技合伙企业(有限合伙) | Indoor deployment method |
| WO2021147181A1 (en) * | 2020-01-20 | 2021-07-29 | 深圳市富斯科技有限公司 | Dual-antenna wireless video glasses |
| CN114336009A (en) * | 2021-12-24 | 2022-04-12 | 深圳市锐尔觅移动通信有限公司 | Electronic device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110247678A (en) * | 2019-04-24 | 2019-09-17 | 维沃移动通信有限公司 | A kind of terminal control method and terminal |
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| CN112449353A (en) * | 2019-09-05 | 2021-03-05 | 丽水青达科技合伙企业(有限合伙) | Indoor deployment method |
| CN110957577A (en) * | 2019-11-28 | 2020-04-03 | 宇龙计算机通信科技(深圳)有限公司 | Antenna structure and terminal |
| WO2021147181A1 (en) * | 2020-01-20 | 2021-07-29 | 深圳市富斯科技有限公司 | Dual-antenna wireless video glasses |
| CN111679247A (en) * | 2020-06-17 | 2020-09-18 | 广东博智林机器人有限公司 | Signal sending method and system, target positioning method, storage medium and processor |
| CN112351335A (en) * | 2020-06-17 | 2021-02-09 | 青岛智动精工电子有限公司 | Wireless communication television |
| CN114336009A (en) * | 2021-12-24 | 2022-04-12 | 深圳市锐尔觅移动通信有限公司 | Electronic device |
| WO2023116353A1 (en) * | 2021-12-24 | 2023-06-29 | 深圳市锐尔觅移动通信有限公司 | Electronic device |
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