CN105896086A - Impedance matching method and apparatus - Google Patents
Impedance matching method and apparatus Download PDFInfo
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- CN105896086A CN105896086A CN201610268615.1A CN201610268615A CN105896086A CN 105896086 A CN105896086 A CN 105896086A CN 201610268615 A CN201610268615 A CN 201610268615A CN 105896086 A CN105896086 A CN 105896086A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
- H01Q5/335—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors at the feed, e.g. for impedance matching
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Abstract
The invention provides an impedance matching method and apparatus. The impedance matching method comprises the steps of obtaining at least two initial impedances of an antenna in a passive state; when the antenna is in an active state, obtaining first radio frequency power consumption of a terminal corresponding to the antenna at each initial impedance; according to the first radio frequency power consumption, determining a target impedance of the antenna in the initial impedance, the target impedance being used for matching an output impedance of a radio frequency power amplifier with the current impedance of the antenna; and adjusting the current impedance of the antenna to the target impedance. The impedance matching method and apparatus in the invention obtain, based on the impedances of the antenna in the passive state, the radio frequency power consumption of the terminal in an active state and obtain the impedance through the radio frequency power consumption, so that the output impedance of the radio frequency power amplifier is matched with the impedance of the antenna, thereby reducing the power consumption and extending the battery life.
Description
Technical field
The present invention relates to field of terminal technology, particularly relate to matching process and the device of a kind of impedance.
Background technology
Existing radio-frequency technique, after antenna form is fixing, loadpull (shifting is drawn in the load) position of antenna
Just be basically fixed, this load draw pan position for determining the impedance of antenna, but pass through tuner
Part (the SPXT switch of such as RF1117, RF1118, RF1119 etc), can regulate the loadpull of antenna
Position, namely adjust the impedance of antenna.Output impedance and the impedance of antenna reality when radio-frequency power amplifier
The when of inconsistent (namely mismatch), will result in the reflection enhancement of radiofrequency signal, thus be lost more
Radio-frequency emission power, increases output electric current.
Owing to antenna debugs antenna match according to the position of standing wave, often to reach efficiency under passive states
The highest.But the impedance when passive efficiency is the highest, it is easy in the active state with radio-frequency power amplifier
Output impedance mismatch, namely be easy to, so that radio-frequency power amplifier mismatch, cause the loss of power,
Thus increase the power consumption of terminal, shorten service time of battery.
Summary of the invention
The embodiment of the present invention provides matching process and the device of a kind of impedance, to solve existing resistive match party
Method power consumption is bigger, the technical problem that service time of battery is comparatively short.
For solving the problems referred to above, the technical scheme that the present invention provides is as follows:
The embodiment of the present invention provides the matching process of a kind of impedance, comprising:
Obtain at least two initial impedance that antenna is under passive states；
When described antenna is in active, obtains described antenna and be under each described initial impedance correspondence
The first radio-frequency power consumption of terminal；
According to described first radio-frequency power consumption, described initial impedance determines the target impedance of described antenna, institute
State target impedance for making the output impedance impedance matching current with described antenna of radio-frequency power amplifier；
The present impedance of described antenna is adjusted to described target impedance.
The embodiment of the present invention also provides for the coalignment of a kind of impedance, comprising:
First acquisition module, for obtaining at least two initial impedance that antenna is under passive states；
Second acquisition module, for when described antenna is in active, obtains described antenna and is in each
First radio-frequency power consumption of terminal corresponding under described initial impedance；
Determine module, for according to described first radio-frequency power consumption, described initial impedance determines described antenna
Target impedance, described target impedance is for making the output impedance of radio-frequency power amplifier current with described antenna
Impedance matching；
Adjusting module, for adjusting the present impedance of described antenna to described target impedance.
Compared to prior art, the matching process of the impedance of the present embodiment and device, it is in by obtaining antenna
At least two initial impedance under passive states；When this antenna is in active, obtains this antenna and be in
First radio-frequency power consumption of terminal corresponding under this initial impedance each；According to this first radio-frequency power consumption, first at this
Determining the target impedance of this antenna in beginning impedance, this target impedance is for making the output of radio-frequency power amplifier hinder
The anti-impedance matching current with this antenna；The present impedance of this antenna is adjusted to this target impedance.Due to root
The impedance being under passive states according to antenna, obtains the terminal radio-frequency power consumption when active, passes through radio frequency
Power consumption obtains impedance, so that the output impedance of radio-frequency power amplifier and the impedance matching of this antenna, thus
Reduce power consumption, extend the use time of battery.
Accompanying drawing explanation
The flow chart of the matching process of the impedance that Fig. 1 provides for the embodiment of the present invention one；
The flow chart of the matching process of the impedance that Fig. 2 provides for the embodiment of the present invention two；
The flow chart of the matching process of the impedance that Fig. 3 provides for the embodiment of the present invention three；
The structural representation of the coalignment of the impedance that Fig. 4 provides for the embodiment of the present invention four；
The preferred structure schematic diagram of the coalignment of the impedance that Fig. 5 provides for the embodiment of the present invention four.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly
Chu, be fully described by, it is clear that described embodiment be only a part of embodiment of the present invention rather than
Whole embodiments.Based on the embodiment in the present invention, those skilled in the art are not making creative labor
The every other embodiment obtained under dynamic premise, broadly falls into the scope of protection of the invention.
Refer to the flow chart of the matching process of the impedance that Fig. 1, Fig. 1 provide for the embodiment of the present invention one.
The matching process of the impedance of this preferred embodiment, including:
Step S101, obtains at least two initial impedance that antenna is under passive states.
Such as, when terminal is not connected with access point (Access Point, AP), by antenna adjustment, obtain
At least two impedance of antenna, this impedance determines according to the position of antenna loadpull and to obtain, that is, should
Initial impedance be antenna do not receive radio-frequency power amplifier launch radiofrequency signal time (namely passive states),
The impedance of this antenna.This terminal can be the equipment such as mobile phone, panel computer.
Certainly, amplify with radio-frequency power when terminal can obtain the highest impedance of passive efficiency or passive states
The impedance of the output impedance matching of device, it is also possible to be to obtain passive efficiency to be positioned at multiple impedances of preset range,
To obtain initial impedance.
Step S102, when this antenna is in active, obtains this antenna and is under this initial impedance each
First radio-frequency power consumption of corresponding terminal.
Such as, terminal controls antenna by AP, makes the impedance of antenna be equal to each initial impedance, and obtains
Under each initial impedance, the radio-frequency power consumption of corresponding terminal.
Step S103, determines the target impedance of this antenna in this initial impedance according to this first radio-frequency power consumption.
Such as, all radio-frequency power consumptions obtained according to step S102 or portion radio frequency power consumption determine that antenna is
The impedance used eventually, with when active, makes the output impedance of radio-frequency power amplifier and the resistance of this antenna
Anti-coupling, namely this target impedance is for making the output impedance resistance current with this antenna of radio-frequency power amplifier
Anti-coupling.
Step S104, adjusts the present impedance of this antenna to this target impedance.
Such as, present impedance is the most debugged impedance arrived of antenna, namely step S102 is adjusted for the last time
The impedance that examination is arrived.The present impedance of antenna is adjusted to target impedance by terminal.Owing to working as radio-frequency power amplifier
Output impedance when mating with the present impedance of antenna, the reflection of radiofrequency signal can be reduced, thus reduce
The power consumption of terminal.
The matching process of the impedance of this preferred embodiment, due to the impedance being under passive states according to antenna,
Obtain the radio-frequency power consumption of the terminal corresponding when active, obtain, by radio-frequency power consumption, the impedance that antenna is final,
So that the output impedance of radio-frequency power amplifier and the impedance matching of this antenna, thus reduce power consumption, prolong
Grow the use time of battery.
Refer to the flow chart of the matching process of the impedance that Fig. 2, Fig. 2 provide for the embodiment of the present invention two.
The matching process of the impedance of this preferred embodiment, including:
Step S201, when antenna is in passive states, debugs this antenna, and obtains the of terminal
Two radio-frequency power consumptions；
Such as, when terminal is not connected with access point (Access Point, AP), by antenna adjustment, obtain
The now radio-frequency power consumption of terminal, namely the second radio-frequency power consumption.This terminal can be that mobile phone, panel computer etc. set
Standby.
Step S202, according to this second radio-frequency power consumption, obtains at least two initial impedance of this antenna.
Such as, when the second radio-frequency power consumption is more than predetermined threshold value, terminal obtains at least two impedance of antenna,
Obtain initial impedance.
Determine the accuracy of target impedance to improve terminal, this, according to this second radio-frequency power consumption, obtains this sky
The step of at least two initial impedance of line includes:
A, when this second radio-frequency power consumption is positioned at preset range, at least two obtaining this antenna initially hinders
Anti-.
Such as, when radio-frequency power consumption ratio is time relatively low, terminal obtains at least two impedance of respective antenna, namely should
Preset range can set based on experience value.
Step S203, when this antenna is in active, obtains this antenna and is under this initial impedance each
First radio-frequency power consumption of corresponding terminal；
Such as, terminal controls antenna by AP, makes the impedance of antenna be equal to each initial impedance, and obtains
Under each initial impedance, the radio-frequency power consumption of corresponding terminal.
Step S204, determines the target impedance of this antenna in this initial impedance according to this first radio-frequency power consumption；
Such as, all radio-frequency power consumptions obtained according to step S203 or portion radio frequency power consumption determine that antenna is
The impedance used eventually, with when active, makes the output impedance of radio-frequency power amplifier and the resistance of this antenna
Anti-coupling, namely this target impedance is for making the output impedance resistance current with this antenna of radio-frequency power amplifier
Anti-coupling.
In order to improve treatment effeciency, terminal can obtain minimum radio-frequency power consumption during active, minimum is penetrated
Frequently the resistance value that power consumption is corresponding is as the final impedance of antenna, namely this is according to this first radio-frequency power consumption, at this
Initial impedance determining, the step of the target impedance of this antenna includes:
(1) in this first radio-frequency power consumption, the minima in this first radio-frequency power consumption is obtained, by this minima
Corresponding initial impedance is as target impedance.
Such as, when this antenna is in active, terminal obtains the minima in all radio-frequency power consumptions, will
The impedance of the antenna that minima in radio-frequency power consumption is corresponding is as the impedance of final utilization.
Step S205, adjusts the present impedance of this antenna to this target impedance.
Such as, present impedance is the impedance that antenna is the most debugged, namely step S203 is debugged for the last time
The impedance arrived.The present impedance of antenna is adjusted to target impedance by terminal.Owing to working as radio-frequency power amplifier
Output impedance when mating with the present impedance of antenna, the reflection of reduction radiofrequency signal, thus reduce terminal
Power consumption.
In order to reduce the power consumption of terminal further and improve the motility of terminal, terminal can also be spaced one
The fixed time, reacquire antenna radio-frequency power consumption of counterpart terminal under each initial impedance, at this by this antenna
Present impedance adjust after the step of this target impedance, the method also includes:
(2) according to predetermined interval duration, when this antenna is in active, returns and perform to obtain this antenna
It is under this initial impedance each the step of the first radio-frequency power consumption of the terminal of correspondence.
Such as, due to change over time, the output impedance of radio-frequency power amplifier also can dynamically change,
Therefore in a period of time, with radio-frequency power amplifier output impedance matching antenna impedance, at subsequent period
Time, it is easy to no longer with the output impedance matching of radio-frequency power amplifier, therefore terminal compartment preset duration,
Control antenna again through AP, make the impedance of antenna be equal to each initial impedance, and obtain the radio frequency merit of terminal
Consumption, in order to the impedance of the antenna that minimum radio-frequency power consumption is corresponding in obtaining this period, so that each period radio frequency
Power consumption is minimum.
The matching process of the impedance of this preferred embodiment, owing to when antenna is in passive states, entering antenna
Row debugging, and obtain the second radio-frequency power consumption of terminal, obtain this antenna at least according to this second radio-frequency power consumption
Two initial impedance；And the impedance being under passive states according to antenna, obtain the terminal when active
Radio-frequency power consumption, obtains final impedance by radio-frequency power consumption, so that the output impedance of radio-frequency power amplifier
With the impedance matching of this antenna, thus improve motility and the treatment effeciency of terminal.
Refer to the flow chart of the matching process of the impedance that Fig. 3, Fig. 3 provide for the embodiment of the present invention three.
The present embodiment is described in detail as a example by terminal is as smart mobile phone, the impedance of this preferred embodiment
Method of completing the square, including:
Step S301, when antenna is in passive states, this antenna is debugged by smart mobile phone, obtains sky
Two initial impedance of line；
Such as, when smart mobile phone is not connected with access point (Access Point, AP), by antenna adjustment,
Obtain the radio-frequency power consumption of now smart mobile phone, and obtain the impedance of antenna corresponding to radio-frequency power consumption minima,
To the first initial impedance；And the impedance of antenna when obtaining consistent with the output impedance of radio-frequency power amplifier,
Obtain the second initial impedance.
Step S302, when this antenna is in active, smart mobile phone obtains this antenna and is in that each this is first
The radio-frequency power consumption of smart mobile phone corresponding under beginning impedance, obtains the first power consumption and the second power consumption；
Such as, smart mobile phone controls antenna by AP, makes the impedance of antenna equal to the first initial impedance, obtains
Take radio-frequency power consumption now；And smart mobile phone controls antenna by AP, make the impedance of antenna equal to second
Initial impedance, obtains radio-frequency power consumption now, obtains the second power consumption.
Step S303, smart mobile phone obtains the minima in the first power consumption and the second power consumption, obtains minimum power consumption；
Such as, the first power consumption and the second power consumption are compared by smart mobile phone, if the first power consumption is less than second
Power consumption, then using the first power consumption as minimum power consumption, otherwise using the second power consumption as minimum power consumption.
Step S304, smart mobile phone using impedance corresponding for minimum power consumption as the target impedance of this antenna；
Such as, when smart mobile phone determines the first power consumption as minimum power consumption, using the first initial impedance as sky
The impedance of line final utilization, the most such as, when smart mobile phone determines the second power consumption as minimum power consumption, by
Two initial impedance are as the impedance of antenna final utilization.
Step S305, the present impedance of this antenna is adjusted to this target impedance by smart mobile phone.
Such as, when the present impedance of antenna is the first initial impedance, and when target impedance is the second initial impedance,
If when smart mobile phone connects access point, the impedance of antenna is adjusted to the second initial impedance by smart mobile phone.
The most such as, when the present impedance of antenna is the second initial impedance, and target impedance is the first initial impedance
Time, if when smart mobile phone connects access point, the impedance of antenna is adjusted and initially hinders to first by smart mobile phone
Anti-.Remaining situation does not adjusts.
Afterwards, smart mobile phone can also detect the impedance of this antenna and be in whether time of target impedance exceedes pre-
If threshold value；
Such as, it is in the time of target impedance not less than predetermined threshold value when smart mobile phone detects the impedance of this antenna
Time, do not deal with.The impedance of antenna is maintained current target impedance value by such as smart mobile phone.
When smart mobile phone detect the impedance of this antenna be in time of target impedance exceed predetermined threshold value time, then return
Return step S302, i.e. smart mobile phone interval preset duration and control antenna again through AP, make the impedance of antenna
Equal to the first initial impedance and the second initial impedance, and obtain antenna and initially hinder in the first initial impedance and second
New radio-frequency power consumption under Kang, in order to the impedance of the antenna that minimum radio-frequency power consumption is corresponding in obtaining this period.
The matching process of the impedance of this preferred embodiment, due to when antenna is in passive states, smart mobile phone
This antenna is debugged, obtains two initial impedance of antenna；When this antenna is in active, intelligence
The radio-frequency power consumption that this antenna is under this initial impedance each the mobile phone of correspondence can be obtained by mobile phone；Smart mobile phone obtains
Take the minima in the first power consumption and the second power consumption, obtain minimum power consumption；Smart mobile phone is corresponding by minimum power consumption
Impedance as the target impedance of this antenna；Afterwards the present impedance of this antenna is adjusted to this target impedance,
Thus reduce power consumption, improve the motility of smart mobile phone.
Refer to the structural representation of the coalignment of the impedance that Fig. 4, Fig. 4 provide for the embodiment of the present invention four.
The coalignment 40 of the impedance of this preferred embodiment includes: first acquisition module the 41, second acquisition module 42,
Determine module 43, adjusting module 44；
First acquisition module 41, for obtaining at least two initial impedance that antenna is under passive states；
Second acquisition module 42, for when described antenna is in active, obtains described antenna and is in often
First radio-frequency power consumption of terminal corresponding under individual described initial impedance；
Determine module 43, for according to this first radio-frequency power consumption, this initial impedance determines the mesh of this antenna
Mark impedance, this target impedance is for making the output impedance impedance current with this antenna of radio-frequency power amplifier
Join；
Adjusting module 44, for adjusting the present impedance of this antenna to this target impedance.
As it is shown in figure 5, this device also includes: trigger module 45；
This trigger module 45, for according to predetermined interval duration, when this antenna is in active, triggers
This second acquisition module 42, to perform to obtain the first radio frequency merit that this antenna is under this initial impedance each
Consumption.
This first acquisition module 41 includes: power consumption obtains submodule 411 and impedance obtains submodule 412；
This power consumption obtains submodule 411, for when antenna is in passive states, debugs this antenna,
And obtain the second radio-frequency power consumption of terminal；
This impedance obtains submodule 412, for according to this second radio-frequency power consumption, obtains at least the two of this antenna
Individual initial impedance.
This impedance obtain submodule 412 specifically for:
When this second radio-frequency power consumption is positioned at preset range, obtain at least two initial impedance of this antenna.
This determine module 43 specifically for:
In this first radio-frequency power consumption, obtain the minima in this first radio-frequency power consumption, this minima is corresponding
Initial impedance as target impedance.
When being embodied as, above modules can realize as independent entity, it is also possible to carries out arbitrarily
Combination, realizes as same or several entities, and being embodied as of above modules can be found in above
Embodiment of the method, does not repeats them here.
The coalignment of the impedance of this preferred embodiment, due to the impedance being under passive states according to antenna,
Obtain the radio-frequency power consumption of the terminal corresponding when active, obtain, by radio-frequency power consumption, the impedance that antenna is final,
So that the output impedance of radio-frequency power amplifier and the impedance matching of this antenna, thus reduce power consumption, prolong
Grow the use time of battery.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment
The program that can be by completes to instruct relevant hardware, and this program can be stored in a computer-readable and deposit
In storage media, storage medium may include that read only memory (ROM, Read Only Memory), with
Machine access/memory body (RAM, Random Access Memory), disk or CD etc..
Matching process and the device of a kind of impedance provided the embodiment of the present invention above have carried out detailed Jie
Continuing, principle and the embodiment of the present invention are set forth by specific case used herein, above enforcement
The explanation of example is only intended to help to understand method and the core concept thereof of the present invention；Simultaneously for this area
Technical staff, according to the thought of the present invention, the most all will change,
In sum, this specification content should not be construed as limitation of the present invention.
Claims (10)
1. the matching process of an impedance, it is characterised in that including:
Obtain at least two initial impedance that antenna is under passive states；
When described antenna is in active, obtains described antenna and be under each described initial impedance correspondence
The first radio-frequency power consumption of terminal；
According to described first radio-frequency power consumption, described initial impedance determines the target impedance of described antenna, institute
State target impedance for making the output impedance impedance matching current with described antenna of radio-frequency power amplifier；
The present impedance of described antenna is adjusted to described target impedance.
The matching process of impedance the most according to claim 1, it is characterised in that
Described according to described first radio-frequency power consumption, described initial impedance determines the target impedance of described antenna
Step include:
In described first radio-frequency power consumption, obtain the minima in described first radio-frequency power consumption, by described minimum
The initial impedance of value correspondence is as target impedance.
The matching process of impedance the most according to claim 1, it is characterised in that described by described sky
The present impedance of line adjusts after the step of described target impedance, and described method also includes:
According to predetermined interval duration, when described antenna is in active, returns and perform to obtain described antenna
It is under each described initial impedance the step of the first radio-frequency power consumption of the terminal of correspondence.
The matching process of impedance the most according to claim 1, it is characterised in that at described acquisition antenna
The step of at least two initial impedance under passive states includes:
When antenna is in passive states, described antenna is debugged, and obtain the second radio frequency merit of terminal
Consumption；
According to described second radio-frequency power consumption, obtain at least two initial impedance of described antenna.
The matching process of impedance the most according to claim 4, it is characterised in that described according to described
Two radio-frequency power consumptions, the step of at least two initial impedance obtaining described antenna includes:
When described second radio-frequency power consumption is positioned at preset range, at least two obtaining described antenna initially hinders
Anti-.
6. the coalignment of an impedance, it is characterised in that including:
First acquisition module, for obtaining at least two initial impedance that antenna is under passive states；
Second acquisition module, for when described antenna is in active, obtains described antenna and is in each
First radio-frequency power consumption of terminal corresponding under described initial impedance；
Determine module, for according to described first radio-frequency power consumption, described initial impedance determines described antenna
Target impedance, described target impedance is for making the output impedance of radio-frequency power amplifier current with described antenna
Impedance matching；
Adjusting module, for adjusting the present impedance of described antenna to described target impedance.
The coalignment of impedance the most according to claim 6, it is characterised in that described determine that module has
Body is used for:
In described first radio-frequency power consumption, obtain the minima in described first radio-frequency power consumption, by described minimum
The initial impedance of value correspondence is as target impedance.
The coalignment of impedance the most according to claim 6, it is characterised in that described device also includes:
Trigger module；
Described trigger module, for according to predetermined interval duration, when described antenna is in active, touches
Send out the second acquisition module described, be under each described initial impedance the end of correspondence to perform to obtain described antenna
First radio-frequency power consumption of end.
The coalignment of impedance the most according to claim 6, it is characterised in that described first obtains mould
Block includes: power consumption obtains submodule and impedance obtains submodule；
Described power consumption obtains submodule, for when antenna is in passive states, debugs described antenna,
And obtain the second radio-frequency power consumption of terminal；
Described impedance obtains submodule, for according to described second radio-frequency power consumption, obtains described antenna at least
Two initial impedance.
The coalignment of impedance the most according to claim 9, it is characterised in that described impedance obtains
Submodule specifically for:
When described second radio-frequency power consumption is positioned at preset range, at least two obtaining described antenna initially hinders
Anti-.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610268615.1A CN105896086B (en) | 2016-04-26 | 2016-04-26 | The matching process and device of impedance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610268615.1A CN105896086B (en) | 2016-04-26 | 2016-04-26 | The matching process and device of impedance |
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| CN109150326A (en) * | 2018-11-05 | 2019-01-04 | Oppo（重庆）智能科技有限公司 | Antenna impedance adjustment method, electronic device and computer readable storage medium |
| CN109660663A (en) * | 2018-12-10 | 2019-04-19 | 维沃移动通信有限公司 | A kind of antenna adjusting method and mobile terminal |
| CN110855310A (en) * | 2018-07-26 | 2020-02-28 | 西安中兴新软件有限责任公司 | Matching circuit, terminal and matching method |
| CN111525260A (en) * | 2020-04-22 | 2020-08-11 | 深圳市广和通无线股份有限公司 | Antenna device |
| CN112152660A (en) * | 2020-09-25 | 2020-12-29 | Oppo（重庆）智能科技有限公司 | Control method and device of radio frequency circuit and electronic equipment |
| CN113131216A (en) * | 2021-03-15 | 2021-07-16 | 联想(北京)有限公司 | Control method and device, equipment and storage medium |
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| CN109660663A (en) * | 2018-12-10 | 2019-04-19 | 维沃移动通信有限公司 | A kind of antenna adjusting method and mobile terminal |
| CN109660663B (en) * | 2018-12-10 | 2023-04-07 | 维沃移动通信有限公司 | Antenna adjusting method and mobile terminal |
| CN111525260A (en) * | 2020-04-22 | 2020-08-11 | 深圳市广和通无线股份有限公司 | Antenna device |
| CN111525260B (en) * | 2020-04-22 | 2021-10-08 | 深圳市广和通无线股份有限公司 | Antenna device |
| CN112152660A (en) * | 2020-09-25 | 2020-12-29 | Oppo（重庆）智能科技有限公司 | Control method and device of radio frequency circuit and electronic equipment |
| CN112152660B (en) * | 2020-09-25 | 2022-04-15 | Oppo（重庆）智能科技有限公司 | Control method and device of radio frequency circuit and electronic equipment |
| CN113131216A (en) * | 2021-03-15 | 2021-07-16 | 联想(北京)有限公司 | Control method and device, equipment and storage medium |
| CN113131216B (en) * | 2021-03-15 | 2022-11-18 | 联想(北京)有限公司 | Control method and device, equipment and storage medium |
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| CN105896086B (en) | 2019-02-05 |
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