CN109660274A - The setting method of power coupler, terminal and coupling parameter - Google Patents
The setting method of power coupler, terminal and coupling parameter Download PDFInfo
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- CN109660274A CN109660274A CN201811614065.XA CN201811614065A CN109660274A CN 109660274 A CN109660274 A CN 109660274A CN 201811614065 A CN201811614065 A CN 201811614065A CN 109660274 A CN109660274 A CN 109660274A
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- power
- coupling
- coupler
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- radiant
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
- H04B1/3833—Hand-held transceivers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Transmitters (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention provides the setting methods of a kind of power coupler, terminal and coupling parameter.The power coupler is provided with control pin, radio frequency input pin, radio frequency output pin, reference end and coupling output pin；The control pin, for receiving control signal corresponding with application scenarios；Radiant power access is formed between the radio frequency input pin and the radio frequency output pin；The radiant power access, is used for transmission the radiant power of antenna；Coupling path is formed between the reference end and the coupling output pin；The coupling path, for the coupling parameter according to control the signal setting and the radiant power vias couple.Through the embodiment of the present invention, can improve or eliminate coupling parameter and application scenarios mismatch and caused by antenna radiated power the problem of reducing.
Description
Technical field
The present invention relates to setting for technical field of mobile terminals more particularly to a kind of power coupler, terminal and coupling parameter
Set method.
Background technique
Ultimate attainment pursuit with user to mobile terminal appearance, the types such as " screen comprehensively ", " all-metal " emerge, these designs
The space for leaving antenna for is smaller and smaller, and antenna must satisfy basic communication demand.Therefore, the radiant power of antenna gradually at
For the bottleneck of mobile terminal development.
Currently, what the control of radiant power was mainly realized by power coupler.But due to signal in actual use
The load of transmitting path, there are certain deviations for added load when often and early period debugs, and traditional power coupler is solid
Determine coupling parameter, this deviation can not be corrected.Therefore, it will cause needed for the power parameter debugged early period and actual use
Power parameter mismatches, to affect the radiant power of antenna.
Summary of the invention
The embodiment of the present invention provides the setting method of a kind of power coupler, terminal and coupling parameter, to solve existing skill
The required power parameter of the power parameter and actual use that art mid-early stage debugs mismatches, and influences asking for antenna radiated power
Topic.
In order to solve the above-mentioned technical problem, the embodiment of the invention provides a kind of power coupler, the power couplers
It is provided with control pin, radio frequency input pin, radio frequency output pin, reference end and coupling output pin；
The control pin, for receiving control signal corresponding with application scenarios；
Radiant power access is formed between the radio frequency input pin and the radio frequency output pin；The radiant power is logical
Road is used for transmission the radiant power of antenna；
Coupling path is formed between the reference end and the coupling output pin；The coupling path, for according to institute
State the coupling parameter of control signal setting and the radiant power vias couple.
The embodiment of the present invention provides a kind of terminal again, and the terminal includes controlling chip and as above-mentioned power couples
Device；
The control chip is connect with the power coupler；
The control chip, for determining the application scenarios of the terminal, and according to the application scenarios to the power
Coupler sends control signal；
The power coupler, for coupling parameter to be arranged according to the control signal
The embodiment of the invention also provides a kind of setting methods of coupling parameter, applied to such as above-mentioned terminal, institute
The method of stating includes:
Determine the application scenarios of the terminal；
The coupling parameter of power coupler is set according to the application scenarios.
In the embodiment of the present invention, the control pin of power coupler receives control signal corresponding with application scenarios, radio frequency
The radiant power of the radiant power tunnel antenna formed between input pin and radio frequency output pin；Reference end and coupling are defeated
The coupling path formed between pin out, according to the coupling parameter of control signal setting and radiant power vias couple.Terminal exists
Under different application scenarios, the control signal for being sent to power coupler is different, and different couplings can be set in power coupler
Parameter, to adapt to different application scenarios.It, can be with compared with only there is fixed coupling parameter with power coupler in the prior art
Improve or eliminate coupling parameter and application scenarios mismatch and caused by antenna radiated power the problem of reducing.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by institute in the description to the embodiment of the present invention
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram of power coupler of the embodiment of the present invention one；
Fig. 2 is the isoboles of the power coupler of the embodiment of the present invention one；
Fig. 3 is a kind of structural schematic diagram of terminal of the embodiment of the present invention two；
Fig. 4 is the structural schematic diagram of another terminal of the embodiment of the present invention two；
Fig. 5 is a kind of step flow chart of the setting method of coupling parameter of the embodiment of the present invention three.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
Embodiment one
Referring to Fig.1, a kind of structural schematic diagram of power coupler provided in an embodiment of the present invention is shown.The power coupling
Clutch is provided with control pin, radio frequency input pin, radio frequency output pin, reference end and coupling output pin；
The control pin, for receiving control signal corresponding with application scenarios；
Radiant power access is formed between the radio frequency input pin and the radio frequency output pin；The radiant power is logical
Road is used for transmission the radiant power of antenna；
Coupling path is formed between the reference end and the coupling output pin；The coupling path, for according to institute
State the coupling parameter of control signal setting and the radiant power vias couple.
In the present embodiment, power coupler have control pin, radio frequency input pin, radio frequency output pin, reference end and
Output pin, radio frequency input pin received radiation power are coupled, radio frequency output pin output radiation power draws in radio frequency input
Radiant power access is formed between foot and radio frequency output pin, transmits radiant power.Reference end with couple shape between output pin
At coupling path, according to coupling parameter and radiant power vias couple, obtains coupled power and is exported from coupling output pin,
In, coupling parameter is arranged according to the control signal that control pin receives.Different application scenarios correspond to different control signals,
Different coupling parameters can be set in different control signals, to obtain different coupled powers.The embodiment of the present invention is to coupling
It closes parameter not limit in detail, can be configured according to the actual situation.
Optionally, it referring to the structural schematic diagram of power coupler shown in Fig. 2, is provided on the coupling path multiple
Control switch；
The coupling path, for being joined so that the coupling is arranged according to the corresponding control switch of the control signal conduction
Number.
In the present embodiment, coupling parameter can be the coupling of coupling path and radiant power vias couple after control switch conducting
Close length.The coupling path control switch different according to control signal conduction, can be set different coupling lengths.For example, Fig. 2
In, coupling path is provided with control switch K1, K2, K3, K4, according to control signal conduction control switch K1, then by coupling parameter
It is set as coupling length AB；According to control signal conduction control switch K3, then setting coupling length for coupling parameter is AD.
Optionally, the coupling path is also used to radiant power and the coupling according to the radiant power tunnel
Close parameter, output coupling power.
In the present embodiment, different coupling lengths, obtained coupled power is also identical.For example, in Fig. 2, coupling length
It is that the coupled power that AD is coupled to is different from coupling length for the coupled power that AB is coupled to.
Optionally, the power coupler is additionally provided with power pins.
In the present embodiment, power coupler is provided with power pins, and power pins connect power end, can couple for power
Device provides supply voltage.Power coupler is usually passive device in the prior art, and power coupler in the embodiment of the present invention
For active device.
In conclusion in embodiments of the present invention, the control pin of power coupler receives control corresponding with application scenarios
Signal processed, the radiant power of the radiant power tunnel antenna formed between radio frequency input pin and radio frequency output pin；Ginseng
It examines end and couples the coupling path formed between output pin, according to the coupling of control signal setting and radiant power vias couple
Parameter.Terminal is under different application scenarios, and the control signal for being sent to power coupler is different, and power coupler can be set
Different coupling parameter, to adapt to different application scenarios.With power coupler in the prior art only there is fixed coupling to join
Number is compared, can improve or eliminate coupling parameter and application scenarios mismatch and caused by antenna radiated power the problem of reducing.
Embodiment two
Referring to Fig. 3, a kind of structural schematic diagram of terminal provided in an embodiment of the present invention is shown.The terminal includes control
Chip 101 and the power coupler 102 as described in embodiment one；
The control chip 101 is connect with the power coupler 102；
The control chip 101, for determining the application scenarios of the terminal, and according to the application scenarios to the function
Rate coupler 102 sends control signal；
The power coupler 102, for coupling parameter to be arranged according to the control signal.
In the present embodiment, control chip 101 connects the control pin of power coupler 102, inputs to power coupler 102
Control signal.Specifically, control chip 101 determines the application scenarios of terminal, is sent according to application scenarios to power coupler 102
Control signal.For example, control chip 101, which determines that terminal is in, freely places scene, then control letter is sent to power coupler 102
Number 1；It controls chip 101 and determines that terminal is in holding scene, for example using terminal is played games, then is sent to power coupler 102
Control signal 2；It controls chip 101 and determines that terminal is in call scene, then send control signal 3 to power coupler 102.Power
Coupler 102 receives control signal 1 and sets X1 for coupling parameter, receives control signal 2 and sets X2 for coupling parameter,
It receives control signal 3 and sets X3 for coupling parameter.Terminal is in different application scenarios, the setting pair of power coupler 102
The coupling parameter for answering application scenarios matches coupling parameter more with application scenarios.
Optionally, the power coupler 102 includes radiant power access and coupling path；
The power coupler 102 is specifically used for that the coupling path and the radiation is arranged according to the control signal
The coupling parameter of power flow coupling.
In the present embodiment, power coupler 102 includes radiant power access and coupling path, 102 basis of power coupler
It controls signal and coupling parameter is set, in the case where radiant power tunnel identical radiant power, different coupling parameters can
To obtain different coupled powers.
Optionally, the terminal further includes sequentially connected transceiver 103 and power output module 104；
The power coupler 102 is connect with the transceiver 103 and the power output module 104 respectively；
The power output module 104, for exporting the radiant power of antenna；
The power coupler 102 is also used to after the coupling parameter is arranged, according to the coupling parameter and the function
The radiant power output coupling power that rate output module 104 exports；
The transceiver 103 adjusts the radiation for controlling the power output module 104 according to the coupled power
Power.
In the present embodiment, power output module 104 is connect with power coupler 102, and power output module 104 is to power coupling
The radiant power of the radio frequency input pin input antenna of clutch 102, i.e. the radiant power tunnel antenna of power coupler 102
Radiant power.After coupling parameter is arranged in power coupler 102, coupling path is according to coupling parameter and radiant power access coupling
It closes, obtained coupled power is exported from coupling output pin.Transceiver 103 is connect with power coupler 102, power coupler
Coupled power is input to transceiver 103 by 102.The corresponding relationship of preset coupled power and control parameter in transceiver 103, transmitting-receiving
Device 103 finds corresponding control parameter according to the coupled power received, controls power output module 104 according to control parameter
Input power, power output module 104 according to input power adjustment output radiant power.For example, power output module 104
Coupled power N1 is obtained when the coupling parameter of power coupler 102 is X1 to 102 input radiation power M of power coupler；
When the coupling parameter of power coupler 102 is X2, coupled power N2 is obtained.Power coupler 102 inputs coupling to transceiver 103
Power N1 is closed, then transceiver 103 finds control parameter Y1 according to the corresponding relationship of coupled power and control parameter, according to control
The input power of state modulator power output module 104 is O1, and power output module 104 is according to input power O1 by radiant power
M is adjusted to M1.Power coupler 102 is to 103 input coupling power N2 of transceiver, then transceiver 103 is according to coupled power and control
The corresponding relationship of parameter processed finds control parameter Y2, is according to the input power that control parameter controls power output module 104
Radiant power M is adjusted to M2 according to input power O2 by O2, power output module 104.The embodiment of the present invention to coupled power and
The corresponding relationship of control parameter does not limit in detail, can be configured according to the actual situation.The coupling of corresponding application scenarios is set
Parameter, the coupled power of available corresponding scene are closed, and then obtains control parameter corresponding with coupled power.Control parameter with
Parameter matching needed for actual use, avoids the radiant power for influencing antenna.
Optionally, referring to terminal shown in Fig. 4, the power output module 104 includes sequentially connected power amplifier
1041, filter 1042 and duplexer 1043.
In the present embodiment, power output module 104 may include power amplifier 1041, filter 1042 and duplexer
1043.Specifically, power amplifier 1041 can amplify the input power of power output module 104, obtain antenna
Radiant power.For example, input power O1 is enlarged into radiant power M1；Input power O2 is enlarged into radiant power M2.Filtering
The effect of device 1042, which can be, filters out noise in aerial signal, is also possible to limit the bandwidth of aerial signal.Duplexer 1043
Effect be selection antenna, for example, selecting main collection antenna or selection diversity antenna.The embodiment of the present invention is to filter and day
Wiretap does not limit in detail, can be configured according to the actual situation.
It optionally, further include radio frequency connector 105 and antenna 106 referring to terminal shown in Fig. 4；
The radio frequency connector 105 is separately connected the power coupler 102 and the antenna 106.
In the present embodiment, terminal further includes radio frequency connector 105 and antenna 106, the radiation function that power coupler 102 transmits
Rate is transmitted to antenna 106 from radio frequency connector 105, allows antenna 106 according to the radiant power transmitting antenna signal received.
Radio frequency connector 105 and antenna 106 can be disconnected in debugging process early period, impedance tune is connected at radio frequency connector 105
Humorous device simulates the impedance operator that loads in different application scene, to obtain the corresponding control parameter of different coupled powers, in turn
The corresponding relationship of coupled power and control parameter is stored into transceiver 103.
In conclusion in embodiments of the present invention, control chip determines the application scenarios of terminal, sent to power coupler
Control signal.Under different application scenarios, the control signal that control chip is sent to power coupler is different, power coupler
Different coupling parameters can be set, to adapt to different application scenarios.Only there is fixation with power coupler in the prior art
Coupling parameter compare, can improve or eliminate coupling parameter and application scenarios mismatch and caused by antenna radiated power reduce
The problem of.
Embodiment three
Referring to Fig. 5, a kind of step flow chart of the setting method of coupling parameter provided in an embodiment of the present invention is shown.It answers
For the terminal as described in embodiment two, which comprises
Step 201, the application scenarios of the terminal are determined.
In the present embodiment, infrared sensor, geomagnetic sensor etc. is can be set in terminal, according to the collected number of sensor
According to judging the application scenarios of terminal.Optionally, the application scenarios include freely places scene, holding scene, converse scene in
At least one.For example, according to the collected infrared data of infrared sensor, it can be determined that terminal is in and freely places scene,
Also may determine that terminal be in be hold by one hand, hands grasping etc. holds scene, can also judge that terminal is in hand and head contacts
The call scene of terminal.The embodiment of the present invention does not limit method of determination in detail, can be configured according to the actual situation.
Step 202, the coupling parameter of power coupler is set according to the application scenarios.
In the present embodiment, after determining the application scenarios of terminal, coupling parameter is set according to application scenarios.For example, root
X1 is set by coupling parameter according to scene is freely placed；X2 is set by coupling parameter according to scene is held；According to call scene
X3 is set by coupling parameter.Multiple control switches are provided in power coupler, by control in the power coupler with
The corresponding control switch conducting of the application scenarios, is arranged the coupling parameter of power coupler.For example, conducting control switch K1,
X1 is set by coupling parameter；Control switch K2 is connected, sets X2 for coupling parameter；Conducting control K3, coupling parameter is set
It is set to X3.
Step 203, coupled power is determined according to the radiant power of the coupling parameter and antenna；According to the coupled power
Adjust the radiant power.
In the present embodiment, for identical radiant power, the available different coupled power of different coupling parameters.Example
Such as, for radiant power M, according to the available coupled power N1 of coupling parameter X1；According to the available coupling of coupling parameter X2
Power N2；According to the available coupled power N3 of coupling parameter X3.Radiant power is adjusted according to coupled power, for example, according to coupling
It closes power N1 and radiant power is adjusted to M1；Radiant power is adjusted to M2 according to coupled power N2；It will according to coupled power N3
Radiant power is adjusted to M3.
In conclusion determining the application scenarios of terminal in the embodiment of the present invention, control signal is sent to power coupler.
Under different application scenarios, the control signal for being sent to power coupler is different, and different couplings can be set in power coupler
Parameter is closed, to adapt to different application scenarios.It, can compared with only there is fixed coupling parameter with power coupler in the prior art
With improve or eliminate coupling parameter and application scenarios mismatch and caused by antenna radiated power reduce the problem of.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in a storage medium
In (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal (can be mobile phone, computer, service
Device, air conditioner or network equipment etc.) execute method described in each embodiment of the present invention.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (13)
1. a kind of power coupler, which is characterized in that the power coupler is provided with control pin, radio frequency input pin, penetrates
Frequency output pin, reference end and coupling output pin；
The control pin, for receiving control signal corresponding with application scenarios；
Radiant power access is formed between the radio frequency input pin and the radio frequency output pin；The radiant power access,
It is used for transmission the radiant power of antenna；
Coupling path is formed between the reference end and the coupling output pin；The coupling path, for according to the control
The coupling parameter of signal setting and the radiant power vias couple processed.
2. power coupler according to claim 1, which is characterized in that be provided with multiple controls on the coupling path
Switch；
The coupling path is used for according to the corresponding control switch of the control signal conduction, the coupling parameter is arranged.
3. power coupler according to claim 1, which is characterized in that
The coupling path is also used to radiant power and the coupling parameter according to the radiant power tunnel, output
Coupled power.
4. power coupler according to claim 1, which is characterized in that the power coupler is additionally provided with power supply and draws
Foot.
5. a kind of terminal, which is characterized in that the terminal includes control chip and power according to any one of claims 1-4
Coupler；
The control chip is connect with the power coupler；
The control chip is coupled for determining the application scenarios of the terminal, and according to the application scenarios to the power
Device sends control signal；
The power coupler, for coupling parameter to be arranged according to the control signal.
6. terminal according to claim 5, which is characterized in that the power coupler includes radiant power access and coupling
Access；
The power coupler is specifically used for that the coupling path and the radiant power access is arranged according to the control signal
The coupling parameter of coupling.
7. terminal according to claim 5, which is characterized in that the terminal further includes sequentially connected transceiver and power
Output module；
The power coupler is connect with the transceiver and the power output module respectively；
The power output module, for exporting the radiant power of antenna；
The power coupler is also used to after the coupling parameter is arranged, according to the coupling parameter and the power output
The radiant power output coupling power of module output；
The transceiver adjusts the radiant power for controlling the power output module according to the coupled power.
8. terminal according to claim 7, which is characterized in that the power output module includes that sequentially connected power is put
Big device, filter and duplexer.
9. according to the described in any item terminals of claim 5-8, which is characterized in that further include radio frequency connector and antenna；
The radio frequency connector is separately connected the power coupler and the antenna.
10. a kind of setting method of coupling parameter, which is characterized in that it is applied to such as described in any item terminals of claim 5-9,
The described method includes:
Determine the application scenarios of the terminal；
The coupling parameter of power coupler is set according to the application scenarios.
11. according to the method described in claim 10, it is characterized in that, described be arranged power coupler according to the application scenarios
Coupling parameter include:
By controlling control switch conducting corresponding with the application scenarios in the power coupler, power coupler is set
Coupling parameter.
12. according to the method described in claim 10, it is characterized in that, power coupling is arranged according to the application scenarios described
After the coupling parameter of device, the method also includes:
Coupled power is determined according to the radiant power of the coupling parameter and antenna；
The radiant power is adjusted according to the coupled power.
13. the described in any item methods of 0-12 according to claim 1, which is characterized in that the application scenarios include freely placing
At least one of scene, holding scene, call scene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811614065.XA CN109660274B (en) | 2018-12-27 | 2018-12-27 | Power coupler, terminal and setting method of coupling parameters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811614065.XA CN109660274B (en) | 2018-12-27 | 2018-12-27 | Power coupler, terminal and setting method of coupling parameters |
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| CN109660274A true CN109660274A (en) | 2019-04-19 |
| CN109660274B CN109660274B (en) | 2021-01-08 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101572155A (en) * | 2009-03-09 | 2009-11-04 | 汤姆逊广播电视技术(北京)有限公司 | Inductance coupling coil and manufacturing method thereof |
| US20140179239A1 (en) * | 2012-12-21 | 2014-06-26 | Apple Inc. | Methods and Apparatus for Performing Passive Antenna Testing with Active Antenna Tuning Device Control |
| CN105027453A (en) * | 2013-03-15 | 2015-11-04 | 谷歌技术控股有限责任公司 | Method and apparatus for tuning an antenna based on unreliable data |
| CN106331257A (en) * | 2016-08-19 | 2017-01-11 | 青岛海信移动通信技术股份有限公司 | Noise elimination method and apparatus, and communication device |
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2018
- 2018-12-27 CN CN201811614065.XA patent/CN109660274B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101572155A (en) * | 2009-03-09 | 2009-11-04 | 汤姆逊广播电视技术(北京)有限公司 | Inductance coupling coil and manufacturing method thereof |
| US20140179239A1 (en) * | 2012-12-21 | 2014-06-26 | Apple Inc. | Methods and Apparatus for Performing Passive Antenna Testing with Active Antenna Tuning Device Control |
| CN105027453A (en) * | 2013-03-15 | 2015-11-04 | 谷歌技术控股有限责任公司 | Method and apparatus for tuning an antenna based on unreliable data |
| CN106331257A (en) * | 2016-08-19 | 2017-01-11 | 青岛海信移动通信技术股份有限公司 | Noise elimination method and apparatus, and communication device |
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