CN110290577A - Power compensating method, antenna module and electronic equipment - Google Patents
Power compensating method, antenna module and electronic equipment Download PDFInfo
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- CN110290577A CN110290577A CN201910635690.0A CN201910635690A CN110290577A CN 110290577 A CN110290577 A CN 110290577A CN 201910635690 A CN201910635690 A CN 201910635690A CN 110290577 A CN110290577 A CN 110290577A
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- power
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/101—Monitoring; Testing of transmitters for measurement of specific parameters of the transmitter or components thereof
- H04B17/103—Reflected power, e.g. return loss
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/101—Monitoring; Testing of transmitters for measurement of specific parameters of the transmitter or components thereof
- H04B17/104—Monitoring; Testing of transmitters for measurement of specific parameters of the transmitter or components thereof of other parameters, e.g. DC offset, delay or propagation times
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
- H04W52/242—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account path loss
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
- H04W52/246—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters where the output power of a terminal is based on a path parameter calculated in said terminal
Abstract
This application involves technical field of electronic equipment, a kind of power compensating method, antenna module and electronic equipment are specifically disclosed, method includes the following steps: RF transceiver issues the first transmitting signal to transmitting antenna；Reflection feedback device receives the second transmitting signal of transmitting antenna feedback, and the second transmitting signal is transferred to RF transceiver；RF transceiver calculates the standing-wave ratio of transmitting antenna according to the first transmitting signal and the second transmitting signal, and the power compensating value of transmitting antenna is determined according to standing-wave ratio；RF transceiver carries out power compensation to the first transmitting signal according to power compensating value.By the above-mentioned means, the application is able to solve the technical problem of antenna module radio-frequency performance test inaccuracy.
Description
Technical field
This application involves technical field of electronic equipment, set more particularly to power compensating method, antenna module and electronics
It is standby.
Background technique
With the development of network technology and the raising of electronic equipment intelligence degree, user can be realized by electronic equipment
More and more functions, such as call, chat, object for appreciation game etc..When realizing these functions, need to carry out data biography using antenna
It is defeated.
Summary of the invention
The application provides a kind of power compensating method, antenna module and electronic equipment, can solve antenna module radio frequency
The technical problem of performance test inaccuracy.
On the one hand, the application provides a kind of power compensating method, method includes the following steps: RF transceiver is to transmitting
Antenna issues the first transmitting signal；Reflection feedback device receives the second transmitting signal of transmitting antenna feedback, and second is emitted
Signal is transferred to RF transceiver；RF transceiver calculates staying for transmitting antenna according to the first transmitting signal and the second transmitting signal
Bobbi, and determine according to standing-wave ratio the power compensating value of transmitting antenna；RF transceiver emits according to power compensating value first
Signal carries out power compensation.
On the other hand, the application provides a kind of antenna module, which includes: RF transceiver, reflection feedback dress
It sets and transmitting antenna, the receiving end of RF transceiver is connect with the output end of reflection feedback device, the transmission of RF transceiver
End is connect with transmitting antenna, and the input terminal of reflection feedback device is connect with transmitting antenna；RF transceiver is used for transmitting antenna
Issue the first transmitting signal；Reflection feedback device is used to receive the second transmitting signal of transmitting antenna feedback, and second is emitted
Signal is transferred to RF transceiver；RF transceiver is used to calculate transmitting antenna according to the first transmitting signal and the second transmitting signal
Standing-wave ratio, and determine according to standing-wave ratio the power compensating value of transmitting antenna；RF transceiver is also used to according to power compensating value
Power compensation is carried out to the first transmitting signal.
Another aspect, the application provide a kind of electronic equipment, which includes shell and antenna module, antenna module
It is arranged in shell, antenna module is antenna module above-mentioned.
The beneficial effect of the application is: being in contrast to the prior art, the application uses RF transceiver to transmitting day
Line issues the first transmitting signal；Reflection feedback device receives the second transmitting signal of transmitting antenna feedback, then, by radio-frequency receiving-transmitting
Device calculates the standing-wave ratio of transmitting antenna according to the first transmitting signal and the second transmitting signal, and determines transmitting antenna according to standing-wave ratio
Power compensating value, by RF transceiver according to power compensating value to first transmitting signal carry out power compensation.The program is being penetrated
Reflection feedback device is inserted between frequency transceiver and transmitting antenna, to receive the second transmitting signal.Meanwhile RF transceiver root
According to calculating the standing-wave ratio of transmitting antenna, and the power compensating value of transmitting antenna is determined according to standing-wave ratio, so that RF transceiver is sent out
The first transmitting signal out obtains power compensation, in terms of existing technologies, the test of antenna module radio-frequency performance can be improved
Accuracy, it is ensured that the aerial download performance of electronic equipment.
Detailed description of the invention
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are only some examples of the present application, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.Wherein:
Fig. 1 is the flow diagram of one embodiment of the application power compensating method；
Fig. 2 is the flow diagram of step S20 in Fig. 1；
Fig. 3 is a flow diagram of step S30 in Fig. 1；
Fig. 4 is another flow diagram of step S30 in Fig. 1；
Fig. 5 is the flow diagram of step S10 in Fig. 1；
Fig. 6 is the structural schematic diagram of one embodiment of the application antenna module；
Fig. 7 is the structural schematic diagram of one embodiment of the application antenna module；
Fig. 8 is the structural schematic diagram of one embodiment of the application electronic equipment.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, rather than whole embodiments.Based on this
Embodiment in application, those of ordinary skill in the art are obtained every other under the premise of not making creative labor
Embodiment shall fall in the protection scope of this application.
The 3G/4G of electronic equipment uses close-loop power control in transmission power control, for meeting 3GPP to transmission power
Control requires.General purpose closed loop control basic framework is to add unidirectionally to enter reflection feedback device in antenna opening front end, by Partial Power coupling
RF transceiver is closed back, RF transceiver calculates current transmission power by testing coupled power, adjusts to predetermined power.?
In calculating process, it is that coupling meeting power a is subtracted coefficient of coup b (negative value) that RF transceiver, which calculates transmission power, defaults practical coupling
Collaboration number b is consistent on antenna load in calibration and practical add, but the reflection feedback device coefficient of coup is practical with day
Linear load variation causes the coefficient of coup to become larger, and is thus to cause actual emission power smaller than predetermined power, it is possible to cause to send out
The power for being mapped to base station less than normal causes to go offline.
Refering to fig. 1, Fig. 1 is the flow diagram of one embodiment of the application power compensating method.This method includes following
Step:
S10: RF transceiver issues the first transmitting signal to transmitting antenna.
Specifically, the baseband chip control RF transceiver inside mobile terminal generates first hair with the first power
Signal is penetrated, and the first transmitting signal is transmitted to transmitting antenna, is radiated by transmitting antenna.Wherein, the first transmitting signal can
Radiofrequency signal needed for thinking the test of certain test frequency range.
Further, RF transceiver has multiple and different output ports, the first hair of generated different frequency range
Penetrating signal can be issued by different ports, for example, the first transmitting signal of corresponding F1 frequency range is by the first defeated of RF transceiver
Exit port issues, and the first transmitting signal of corresponding F2 frequency range is issued by the second output terminal mouth of RF transceiver, etc..It is right with this
It answers, multi-channel gating switch has multiple input ports and single output port, and it is respectively right that multiple input ports are respectively used to receive
The first transmitting signal is answered needed for the test of frequency range, for example, the of the input port I1 of multi-channel gating switch and RF transceiver
One output port connection, for receive corresponding F1 frequency range first transmitting signal, the input port I2 of multi-channel gating switch with penetrate
The second output terminal mouth of frequency transceiver connects, the first transmitting signal of corresponding F2 frequency range.Each input of multi-channel gating switch
Port can be connected with single output port and form access, so that the first transmitting signal of corresponding band can pass through.Therefore,
Baseband chip needs synchronously control multi channel selecting while control RF transceiver generates the first transmitting signal of certain frequency range
Switch connects corresponding input port and single output port.In each test frequency range, baseband chip controls transceiver and generates
One the first transmitting signal with the first power is simultaneously input to the corresponding input port of multi-channel gating switch, while controlling multichannel choosing
Pass is opened up to connect corresponding input port and single output port.The first transmitting signal is transmitted by multi-channel gating switch
It is radiated to transmitting antenna.
S20: reflection feedback device receives the second transmitting signal of transmitting antenna feedback, and the second transmitting signal is transferred to
RF transceiver.
Specifically, RF transceiver issues the first transmitting signal to transmitting antenna, and is carried out radiating this by transmitting antenna
In the process, there are certain path loss.Meanwhile when people is not near transmitting antenna, by aerial radiation, insignificant function
Rate amount can be reflected back toward RF transceiver (for example, the quantity of power of reflection can be less than the ten of the quantity of power emitted from RF transceiver
/ mono-).When people is near transmitting antenna, the quantity of power for being reflected back toward RF transceiver may be much larger than when people is not emitting
(for example, when people is near antenna, the quantity of power of reflection is possibly more than from radio-frequency receiving-transmitting for the quantity of power reflected when near antenna
The half of the quantity of power of device transmitting).For people closer to transmitting antenna, the quantity of power for being reflected back toward RF transceiver may be just closer
Emit from RF transceiver to the power of the signal of transmitting antenna.
When transmitting antenna radiates the first transmitting signal, the first transmitting of reflection feedback device coupling firing aerial radiation
Signal, and the radio signal transmission that will be coupled into calculates the amount of power dissipation by RF transceiver to RF transceiver, and to
One transmitting signal compensates.
Wherein, there are two types of communication paths, respectively fl transmission path for tool between RF transceiver and reflection feedback device
And bounce transmission paths, it is transmitted by the way that the first of test the transmitting signal, the second transmitting signal are divided into two paths, it can be with
So that two kinds of signals are not interfere with each other, guarantee that test result is more accurate.When specific implementation, reflection feedback device can be using orientation
Coupler or circulator are realized.
S30: RF transceiver calculates the standing-wave ratio of transmitting antenna, and root according to the first transmitting signal and the second transmitting signal
The power compensating value of transmitting antenna is determined according to standing-wave ratio.
Specifically, RF transceiver tests out the corresponding actual power of the second transmitting signal being coupled to, and according to first
Emit signal and the second transmitting signal calculates the standing-wave ratio of transmitting antenna, and determines the power compensation of transmitting antenna according to standing-wave ratio
Value.
S40: RF transceiver carries out power compensation to the first transmitting signal according to power compensating value.
Specifically, RF transceiver can carry out power compensation and the first initial transmitting signal after adding up, and obtain new
The first transmitting signal, then issue the first new transmitting signal to transmitting antenna.
It is in contrast to the prior art, the application issues the first transmitting signal to transmitting antenna using RF transceiver；
Reflection feedback device receives the second transmitting signal of transmitting antenna feedback, then, by RF transceiver according to the first transmitting signal
The standing-wave ratio of transmitting antenna is calculated with the second transmitting signal, and determines the power compensating value of transmitting antenna according to standing-wave ratio, by penetrating
Frequency transceiver carries out power compensation to the first transmitting signal according to power compensating value.The program is in RF transceiver and transmitting antenna
Between insert reflection feedback device, with receive second transmitting signal.Meanwhile RF transceiver staying according to calculating transmitting antenna
Bobbi, and determine according to standing-wave ratio the power compensating value of transmitting antenna, so that the first transmitting signal that RF transceiver issues obtains
To power compensation, in terms of existing technologies, the accuracy of antenna module radio-frequency performance test can be improved, it is ensured that electronics is set
Standby aerial download performance.
Referring to Fig.2, Fig. 2 is the flow diagram of step S20 in Fig. 1.In one embodiment, above-mentioned steps S20 includes:
S21: reflection feedback device receives the second transmitting signal of transmitting antenna feedback.
S22: reflection feedback device coupling the second transmitting signal, and the second transmitting signal after coupling is transferred to radio frequency and is received
Send out device.
Specifically, when transmitting antenna radiates the first transmitting signal, reflection feedback device coupling firing aerial radiation
First transmitting signal, and the radio signal transmission that will be coupled into is to RF transceiver.
Reflection feedback device can be realized using directional coupler or circulator.Wherein, term " orientation coupling as used herein
Clutch " refers to such device: the device has first port, second port and third port, so that into second end
Most of parts (for example, on power) of the signal of mouth are to provide at first port, and remainder is at third end
It is provided at mouthful；The signal entered at first port or third port can be the offer at second port.First orientation
The first port 106 of coupler can be communicatively coupled to RF transceiver.The first port 116 of second directional coupler can
To be communicatively coupled to transmitting antenna.It is fixed that the second port 108 of first directional coupler can be communicatively coupled to second
To the second port 118 of coupler.The third port 110 of first directional coupler and the third port of the second directional coupler
120 can be communicatively coupled to processor, and processor can also be communicatively coupled to RF transceiver.From the first orientation coupling
A part that the second port 108 of clutch is transferred to the signal of the first port 106 of the first directional coupler can be first
It is provided at the third port 110 of directional coupler.The second orientation coupling is transferred to from the second port 118 of the second directional coupler
A part of the signal of the first port 116 of clutch can be the offer at the third port 120 of the second directional coupler.
It is a flow diagram of step S30 in Fig. 1 refering to Fig. 3, Fig. 3.In one embodiment, above-mentioned steps S30 includes:
Step S31: RF transceiver goes out the corresponding reality of the second transmitting signal according to the second transmitting signal resolution received
Border power.
Step S32: RF transceiver calculates the corresponding predetermined power of the first transmitting signal and the second transmitting signal is corresponding
The ratio of actual power, to obtain standing-wave ratio.
Specifically, standing-wave ratio can be calculated according to the following formula: VSWR=a/b, wherein VSWR is staying for transmitting antenna
Bobbi, a are the corresponding predetermined power of the first transmitting signal, and b is the corresponding actual power of the second transmitting signal.
In other embodiments, standing-wave ratio can also be calculated according to the following formula: VSWR=(a-b)/b, wherein
VSWR is the standing-wave ratio of transmitting antenna, and a is the corresponding predetermined power of the first transmitting signal, and b is the corresponding reality of the second transmitting signal
Border power.
It further, is another flow diagram of step S30 in Fig. 1 refering to Fig. 4, Fig. 4.Above-mentioned steps S30 further include:
S33: according to the coefficient of coup table of storage, the coefficient of coup corresponding with standing-wave ratio is obtained.
Specifically, coefficient of coup table of the RF transceiver according to storage, obtains the coefficient of coup corresponding with standing-wave ratio.Storage
Coefficient of coup table can be as shown in the table:
S34: according to the coefficient of coup and standing-wave ratio, the power compensating value of transmitting antenna is calculated.
Specifically, the power compensating value function of transmitting antenna is calculated according to the coefficient of coup and standing-wave ratio in RF transceiver
Rate offset can be calculated according to the following formula:
C=d1-dVSWR-0.5-(dVSWR-0.5-dVSWR+0.5)/[(VSWR-0.5)-(VSWR+0.5)]*[(VSWR-(VSWR-
0.5)], wherein C is power compensating value, and d is the coefficient of coup, and standing-wave ratio VSWR is 1 when conduction test.
For example, the calculating process for the power compensating value C that standing-wave ratio VSWR is 2.5 is as follows:
C=d1-dVSWR-0.5-(dVSWR-0.5-dVSWR+0.5)/[(VSWR-0.5)-(VSWR+0.5)]*[(VSWR-(VSWR-
0.5)]=- 20- (- 20.5)-[- 20.5- (- 21.20)]/(2-3) * (2.5-2)=0.85dbm.
Wherein, VSWR is the standing-wave ratio of transmitting antenna, and VSWR is the corresponding predetermined power of the first transmitting signal, d second
Emit the corresponding actual power of signal.
It is the flow diagram of step S10 in Fig. 1 refering to Fig. 5, Fig. 5.
In one embodiment, above-mentioned steps S10 includes:
S11: RF transceiver sends the first transmitting signal to power amplifier.
S12: after power amplifier carries out power amplification processing to the first transmitting signal according to amplification factor, to transmitting antenna
Send the first transmitting signal handled through power amplification.
Specifically, power amplifier includes power amplifier circuit, frequency mixer and frequency offset signals source.Power amplification
Device amplifies the first outbound transmitting signal, to generate the be amplified first transmitting signal.First frequency shifted signal source generates the
One frequency shift (FS) (Δ f).Be amplified first transmitting signal is mixed by the first frequency mixer with first frequency offset, to generate first
Emitting the first of signal indicates (i.e. the first transmitting signal through power amplification processing).Power amplifier and/or transmitting antenna can
Including filter module.
It is the structural schematic diagram of one embodiment of the application antenna module refering to Fig. 6, Fig. 6.
The antenna module 10 includes: RF transceiver 101, reflection feedback device 102 and transmitting antenna 103, and radio frequency is received
The receiving end 1011 of hair device 101 is connect with the output end 1021 of reflection feedback device 102, the transmitting terminal of RF transceiver 101
1012 connect with transmitting antenna 103, and the input terminal 1022 of reflection feedback device 102 is connect with transmitting antenna 103.
RF transceiver 101 is used to issue the first transmitting signal to transmitting antenna 103；Reflection feedback device 102 is for connecing
The second transmitting signal that transmitting antenna 103 is fed back is received, and the second transmitting signal is transferred to RF transceiver 101；Radio-frequency receiving-transmitting
Device 101 is used to calculate the standing-wave ratio of transmitting antenna 103 according to the first transmitting signal and the second transmitting signal, and true according to standing-wave ratio
Determine the power compensating value of transmitting antenna 103；RF transceiver 101 is also used to carry out the first transmitting signal according to power compensating value
Power compensation.
From the foregoing, it will be observed that the antenna module 10 of the embodiment of the present application issues the to transmitting antenna 103 using RF transceiver 101
One transmitting signal；Reflection feedback device 102 receives the second transmitting signal that transmitting antenna 103 is fed back, then, by RF transceiver
101 calculate the standing-wave ratio of transmitting antenna 103 according to the first transmitting signal and the second transmitting signal, and are determined and emitted according to standing-wave ratio
The power compensating value of antenna 103 carries out power compensation to the first transmitting signal according to power compensating value by RF transceiver 101.
The program inserts reflection feedback device 102 between RF transceiver 101 and transmitting antenna 103, to receive the second transmitting letter
Number.Meanwhile RF transceiver 101 and determines transmitting antenna 103 according to standing-wave ratio according to the standing-wave ratio for calculating transmitting antenna 103
Power compensating value so that RF transceiver 101 issue first transmitting signal obtain power compensation, compared with the existing technology and
The accuracy of 10 radio-frequency performance of antenna module test can be improved, it is ensured that the aerial download performance of electronic equipment 100 in speech.
Reflection feedback device 102 is also used to receive the second transmitting signal of the feedback of transmitting antenna 103；
Reflection feedback device 102 is also used to couple the second transmitting signal, and the second transmitting signal after coupling is transferred to
RF transceiver 101.
RF transceiver 101 is also used to calculate staying for transmitting antenna 103 according to the first transmitting signal and the second transmitting signal
Bobbi, and the step of determining the power compensating value of transmitting antenna 103 according to standing-wave ratio includes:
RF transceiver 101 is also used to go out the corresponding reality of the second transmitting signal according to the second transmitting signal resolution received
Border power.
RF transceiver 101 is also used to calculate the corresponding predetermined power of the first transmitting signal and the second transmitting signal is corresponding
The ratio of actual power, to obtain standing-wave ratio.
RF transceiver 101 is also used to obtain the coefficient of coup corresponding with standing-wave ratio according to the coefficient of coup table of storage, and
According to the coefficient of coup and standing-wave ratio, the power compensating value of transmitting antenna 103 is calculated.
Specifically, coefficient of coup table of the RF transceiver 101 according to storage obtains the coefficient of coup corresponding with standing-wave ratio.
The coefficient of coup table of storage can be as shown in the table:
RF transceiver 101 according to the coefficient of coup and standing-wave ratio, mend by the power compensating value power that transmitting antenna is calculated
Repaying value can be calculated according to the following formula:
C=d1-dVSWR-0.5-(dVSWR-0.5-dVSWR+0.5)/[(VSWR-0.5)-(VSWR+0.5)]*[(VSWR-(VSWR-
0.5)], wherein C is power compensating value, and d is the coefficient of coup, and standing-wave ratio VSWR is 1 when conduction test.
For example, the calculating process for the power compensating value C that standing-wave ratio VSWR is 2.5 is as follows:
C=d1-dVSWR-0.5-(dVSWR-0.5-dVSWR+0.5)/[(VSWR-0.5)-(VSWR+0.5)]*[(VSWR-(VSWR-
0.5)]=- 20- (- 20.5)-[- 20.5- (- 21.20)]/(2-3) * (2.5-2)=0.85dbm.
Wherein, VSWR is the standing-wave ratio of transmitting antenna, and VSWR is the corresponding predetermined power of the first transmitting signal, d second
Emit the corresponding actual power of signal.
Wherein, there are two types of communication paths for tool between RF transceiver 101 and reflection feedback device 102, respectively preceding to biography
Defeated path and bounce transmission paths are passed by the way that the first transmitting signal of test, the second transmitting signal are divided into two paths
It is defeated, two kinds of signals can be made not interfere with each other, guarantee that test result is more accurate.When specific implementation, reflection feedback device 102 can
To be realized using directional coupler or circulator.
It is the structural schematic diagram of another embodiment of the application antenna module refering to Fig. 7, Fig. 7.
In one embodiment, above-mentioned antenna module 10 further include: power amplifier 104, the transmitting terminal of RF transceiver 101
1012 connect with the input terminal 1041 of power amplifier 104, and the output end 1042 and transmitting antenna 103 of power amplifier 104 connect
It connects.RF transceiver 101 is used to send the first transmitting signal to power amplifier 104.Power amplifier 104 is used for according to amplification
After factor pair first emits signal progress power amplification processing, the first hair handled through power amplification is sent to transmitting antenna 103
Penetrate signal.
It is the structural schematic diagram of one embodiment of the application electronic equipment refering to Fig. 8, Fig. 8.
The electronic equipment 100 includes shell 20 and antenna module 10, and antenna module 10 is arranged in shell 20, antenna module
10 be the antenna module 10 in above embodiment.
Electronic equipment 100 includes but is not limited to for electric terminals such as mobile phone, tablet computer, portable computers.Electronics is set
Standby 100 may include the display screen 30 and mainboard 40 of shell 20 and receiving within the casing 20.Shell 20 can be electronic equipment 100
Front housing or rear shell.Electronic equipment 100 further includes antenna module 10, for realizing communication function.Wherein, when shell 20 is rear shell
When, slit can be opened up on shell 20, non-signal shielding material is filled in slit, to utilize slit radiated electromagnetic wave signal.
Further, the surface of shell 20 can open up slit, and slit runs through shell 20, makes electromagnetic wave signal from slit
It radiate.When shell 20 include frame and rear cover when, slit can be distributed across frame and/or after cover.The periphery of slit
Current density it is larger.Conductive layer be located at slit periphery namely conductive layer and be covered with conductive layer slit periphery be it is upper
The first part stated.Conductive layer is located to the periphery of slit as a result, can while using slit radiated electromagnetic wave signal,
The effective resistance R for further decreasing shell 20 substantially reduces loss of the antenna power on antenna radiator, greatly enhancing antenna
The radiance of component 10.
The above is only presently filed embodiments, are not intended to limit the scope of the patents of the application, all to utilize the application
Equivalent structure or equivalent flow shift made by specification and accompanying drawing content is applied directly or indirectly in other relevant technologies
Field similarly includes in the scope of patent protection of the application.
Claims (10)
1. a kind of power compensating method, which is characterized in that the described method comprises the following steps:
RF transceiver issues the first transmitting signal to transmitting antenna；
Reflection feedback device receives the second transmitting signal of the transmitting antenna feedback, and the second transmitting signal is transferred to
The RF transceiver；
The RF transceiver calculates the standing-wave ratio of transmitting antenna according to the first transmitting signal and the second transmitting signal,
And the power compensating value of the transmitting antenna is determined according to the standing-wave ratio；
The RF transceiver carries out power compensation to the first transmitting signal according to the power compensating value.
2. the method according to claim 1, wherein the reflection feedback device receives the transmitting antenna feedback
Second transmitting signal, and by it is described second transmitting signal be transferred to the RF transceiver the step of include:
The reflection feedback device receives the second transmitting signal of the transmitting antenna feedback；
Reflection feedback device coupling the second transmitting signal, and the second transmitting signal after coupling is transferred to institute
State RF transceiver.
3. according to the method described in claim 2, it is characterized in that, the RF transceiver according to it is described first transmitting signal and
The second transmitting signal calculates the standing-wave ratio of transmitting antenna, and determines that the power of the transmitting antenna is mended according to the standing-wave ratio
The step of repaying value include:
The RF transceiver goes out the corresponding reality of the second transmitting signal according to the second transmitting signal resolution received
Border power；
The RF transceiver calculates the corresponding predetermined power of the first transmitting signal and the second transmitting signal is corresponding
The ratio of actual power, to obtain the standing-wave ratio.
4. the method according to claim 1, wherein described determine the transmitting antenna according to the standing-wave ratio
The step of power compensating value includes:
According to the coefficient of coup table of storage, the coefficient of coup corresponding with the standing-wave ratio is obtained；
According to the coefficient of coup and the standing-wave ratio, the power compensating value of the transmitting antenna is calculated.
5. the method according to claim 1, wherein
The reflection feedback device is directional coupler or circulator.
6. the method according to claim 1, wherein the RF transceiver issues the first transmitting to transmitting antenna
The step of signal includes:
The RF transceiver sends the first transmitting signal to power amplifier；
After the power amplifier carries out power amplification processing to the first transmitting signal according to amplification factor, to the transmitting
Antenna sends the first transmitting signal handled through power amplification.
7. a kind of antenna module, which is characterized in that the antenna module includes: RF transceiver, reflection feedback device and hair
Antenna is penetrated, the receiving end of the RF transceiver is connect with the output end of the reflection feedback device, the RF transceiver
Transmitting terminal is connect with the transmitting antenna, and the input terminal of the reflection feedback device is connect with the transmitting antenna；
The RF transceiver is used to issue the first transmitting signal to the transmitting antenna；
The reflection feedback device is used to receive the second transmitting signal of the transmitting antenna feedback, and second transmitting is believed
Number it is transferred to the RF transceiver；
The RF transceiver is used to calculate staying for transmitting antenna according to the first transmitting signal and the second transmitting signal
Bobbi, and determine according to the standing-wave ratio power compensating value of the transmitting antenna；
The RF transceiver is also used to carry out power compensation to the first transmitting signal according to the power compensating value.
8. antenna module according to claim 7, which is characterized in that the antenna module further include: power amplifier, institute
The transmitting terminal for stating RF transceiver is connect with the input terminal of the power amplifier, the output end of the power amplifier with it is described
Transmitting antenna connection；
The RF transceiver is used to send the first transmitting signal to power amplifier；
After the power amplifier is used to carry out power amplification processing to the first transmitting signal according to amplification factor, Xiang Suoshu
Transmitting antenna sends the first transmitting signal handled through power amplification.
9. antenna module according to claim 7, which is characterized in that the reflection feedback device is directional coupler or ring
Shape device.
10. a kind of electronic equipment, which is characterized in that including shell and antenna module, the antenna module is arranged in the shell
Interior, the antenna module is antenna module described in any one of claim 7-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910635690.0A CN110290577B (en) | 2019-07-15 | 2019-07-15 | Power compensation method, antenna assembly and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910635690.0A CN110290577B (en) | 2019-07-15 | 2019-07-15 | Power compensation method, antenna assembly and electronic equipment |
Publications (2)
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| CN110290577B (en) | 2022-06-07 |
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