CN106571878A - RF fault detection method and device - Google Patents
RF fault detection method and device Download PDFInfo
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- CN106571878A CN106571878A CN201610977395.XA CN201610977395A CN106571878A CN 106571878 A CN106571878 A CN 106571878A CN 201610977395 A CN201610977395 A CN 201610977395A CN 106571878 A CN106571878 A CN 106571878A
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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
- H04B17/102—Power radiated at antenna
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0805—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/04—Arrangements for maintaining operational condition
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- Electromagnetism (AREA)
- Environmental & Geological Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
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Abstract
The invention discloses an RF fault detection method and device. The method comprises that emission powers of different emission links of a terminal are obtained; a directional coupler of the terminal is used to obtain corresponding coupling powers of the emission links; and an emission line with a fault is determined according to the emission powers and the corresponding coupling powers of the emission links. Thus, the different emission links are detected on the basis that hardware structure of a mobile terminal is not changed, the mobile terminal can find the emission link with faults timely, and the communication efficiency of the mobile terminal is improved.
Description
Technical field
The present embodiments relate to field of terminal technology, more particularly to a kind of detection method and device of radio frequency impairments.
Background technology
The mobile terminals such as mobile phone send radiofrequency signal and realize and base station or other mobile phones by transmitting chain to base station
Communication, because mobile phone is constantly moved, distance is continually changing between mobile phone and base station, therefore the transmission power of mobile phone is not to fix not
Become, base station is different according to distance, and to mobile phone power level signal is sent, and mobile phone is received after power level signal, can be certainly
It is dynamic to adjust transmission power.Transmission power is little close to base station, and transmission power is big away from base station.
When the transmitting chain of some frequency ranges of the mobile terminals such as mobile phone breaks down, such as on certain frequency range transmitting chain
Duplexer is damaged or power amplifier port output abnormality or radio frequency transceiver port output abnormality etc., causes this
Transmitting chain is unavailable, and in this case user can not have found that mobile phone occurs in that failure, because event do not occur in possible other
The transmitting chain of the frequency range of barrier still can use, and mobile phone still can be attempted with failure frequency range transmitting chain when net, cell switching monitoring is searched
Road communicates, but attempts after failure, is eventually set up with base station with other normal frequency range transmitting chains and is communicated.In this case, handss
Machine searches net, cell switching can be slack-off, in some instances it may even be possible to which it is unavailable some standard networks of certain areas occur, reduces mobile terminal
Communication efficiency, but user does not know that mobile phone occurs in that hardware fault, has had a strong impact on Consumer's Experience again.
The content of the invention
The embodiment of the present invention provides a kind of detection method and device of radio frequency impairments, so that mobile terminal is detected out in time
The transmitting chain of existing failure, lifts the communication efficiency of mobile terminal.
In a first aspect, embodiments provide a kind of detection method of radio frequency impairments, including：
Obtain the transmission power of each transmitting chain of terminal；
The corresponding coupled power of each transmitting chain is obtained using the directional coupler of the terminal；
According to the transmission power and corresponding coupled power of each transmitting chain, it is determined that the transmitting chain for breaking down.
In second aspect, a kind of detection means of radio frequency impairments is embodiments provided, including：
Transmission power acquisition module, for obtaining the transmission power of each transmitting chain of terminal；
Coupled power acquisition module, for obtaining the corresponding coupling of each transmitting chain using the directional coupler of the terminal
Close power；
Transmitting chain fault determination module, for according to the transmission power of each transmitting chain and corresponding coupled power,
It is determined that the transmitting chain for breaking down.
The transmission power that the embodiment of the present invention passes through each transmitting chain of acquisition terminal, and using the existing fixed of terminal
The corresponding coupled power of each transmitting chain is obtained to bonder, with according to the transmission power of each transmitting chain and corresponding coupling
Power is closed, it is determined that the transmitting chain for breaking down, on the basis of mobile terminal hardware configuration is not changed, to each transmitting chain
Detected, make mobile terminal detect the transmitting chain for breaking down in time, improved the communication efficiency of mobile terminal.
Description of the drawings
Fig. 1 a are the flow charts of the detection method of the radio frequency impairments that the embodiment of the present invention one is provided；
Fig. 1 b are the structural representations of the transmitting chain that the embodiment of the present invention one is provided；
Fig. 2 is the flow chart of the detection method of the radio frequency impairments that the embodiment of the present invention two is provided；
Fig. 3 is the flow chart of the detection method of the radio frequency impairments that the embodiment of the present invention three is provided；
Fig. 4 is the structural representation of the detection means of the radio frequency impairments that the embodiment of the present invention four is provided；
Fig. 5 is a kind of structural representation of mobile terminal that the embodiment of the present invention five is provided.
Specific embodiment
In order that the object, technical solutions and advantages of the present invention are clearer, below in conjunction with the accompanying drawings to concrete reality of the invention
Apply example to be described in further detail.It is understood that specific embodiment described herein is used only for explaining the present invention,
Rather than limitation of the invention.It also should be noted that, for the ease of description, illustrate only in accompanying drawing related to the present invention
Part rather than full content.It should be mentioned that some exemplary realities before exemplary embodiment is discussed in greater detail
Apply process or method that example is described as describing as flow chart.Although operations (or step) are described as order by flow chart
Process, but many of which operation can by concurrently, concomitantly or while implement.Additionally, the order of operations
Can be rearranged.The process when its operations are completed can be terminated, and be not included in accompanying drawing it is also possible to have
Additional step.The process can correspond to method, function, code, subroutine, subprogram etc..
Embodiment one
Fig. 1 a give the flow chart of the detection method of the radio frequency impairments of the offer of the embodiment of the present invention one, the side of the present embodiment
Method can be performed by the detection means of radio frequency impairments, and the device can be realized by way of hardware and/or software, described device
Can be arranged on inside the mobile terminal as a part for mobile terminal.
As shown in Figure 1a, the detection method of the radio frequency impairments that the present embodiment is provided specifically includes following steps：
The transmission power of step 101, each transmitting chain of acquisition terminal.
Terminal described in the present embodiment includes but is not limited to mobile phone, notebook, panel computer etc. with radio frequency link
Equipment.
Fig. 1 b give the structural representation of the transmitting chain of the offer of the embodiment of the present invention one.As shown in Figure 1 b,
The transmitting original radio frequency signal of radio frequency transceiver 11 in terminal, based on pulsewidth modulation (Pulse Duration
Modulation) technology amplifies the original radio frequency signal through power amplifier (power amplifier, PA) 12, from
The power amplifier 12 exports the transmission power of the transmitting chain, after duplexer 13 and duplexer 14, reaches fixed
To bonder 15, the power that directional coupler 15 is detected is the corresponding coupled power of the transmitting chain, and last radiofrequency signal is led to
Antenna 16 is crossed to emission.
Wherein, the corresponding transmitting chain of multiple frequency ranges is included in a terminal, the transmitting chain is from radio frequency in Fig. 1 b
Transmitter is to all links between directional coupler.
Step 102, the corresponding coupled power of each transmitting chain is obtained using the directional coupler of the terminal.
The coupled power corresponding with transmission power of each transmitting chain is detected using the directional coupler of the terminal.
Typically, the common port in terminal each radio frequency link is all designed with directional coupler, the transmission signal of all frequency ranges
Will through the directional coupler of common port, the present embodiment by using the original directional coupler of terminal need not add hardware into
This, you can realize detection to terminal radio frequency link, on the one hand save the testing cost of terminal radio frequency link, on the other hand by
In without other equipment, the radio frequency link to terminal that can be timely and convenient carries out automatic detection.
Step 103, the transmission power according to each transmitting chain and corresponding coupled power, it is determined that the transmitting broken down
Link.
Also included the calibration operation to transmission power before detecting to transmitting chain, detected by directional coupler
To the size of coupled power transmission power is calibrated, obtain the corresponding relation of transmission power and coupled power.
The transmission power obtained according to calibration and the corresponding relation of coupled power, can be according to the transmitting of each transmitting chain
Power and corresponding coupled power, it is determined that the transmitting chain for breaking down.
It should be noted that the method that the present embodiment is provided, can, for each transmitting chain, obtain the transmitting chain
The transmission power on road and corresponding coupled power, according to the transmission power and corresponding coupled power of the transmitting chain this is determined
Penetrate whether link breaks down, then go to judge one by one whether other transmitting chains break down, or obtain all transmittings
The transmission power of link and corresponding coupled power, according to the transmission power and corresponding coupled power of each transmitting chain, really
Fixed which transmitting chain occurs in that failure, and the present embodiment is to this and is not limited.
The detection method of radio frequency impairments provided in an embodiment of the present invention, the transmitting of each transmitting chain by obtaining terminal
Power, and the existing directional coupler using terminal obtains the corresponding coupled power of each transmitting chain, with according to each
The transmission power and corresponding coupled power of link are penetrated, it is determined that the transmitting chain for breaking down, is not changing mobile terminal hardware
On the basis of structure, each transmitting chain is detected, make mobile terminal detect the transmitting chain for breaking down in time, carried
The communication efficiency of mobile terminal is risen.
On the basis of above-mentioned technical proposal, it is determined that after the transmitting chain for breaking down, can also include：
The fault message of the transmitting chain that display is broken down repaiies information with sending.
After detecting that certain transmitting chain breaks down, the failure of the transmitting chain is shown on the display interface of terminal
Details, and point out user to give to repair.Further, it is also possible to stored the fault details, using as after-sales service personnel
The foundation keeped in repair.
On the basis of above-mentioned technical proposal, can also include：If all there is event in the whole transmitting chains for detecting terminal
Barrier, then show the information that whole transmitting chains break down or coupled link circuit breaks down.Wherein, the coupled link circuit
For the link that the coupled power for detecting is back to directional coupler radio frequency transceiver (not shown in Fig. 1 b).
May be strictly that whole transmitting chains all break down if the whole transmitting chains for detecting terminal all break down
, it is also possible to coupled link circuit breaks down, then then show that event occur in whole transmitting chains on the display interface of terminal
Barrier or the information that breaks down of coupled link circuit, to point out user to send to repair to further determine that the reason for terminal fault occurs.
Embodiment two
Fig. 2 gives the flow chart of the detection method of the radio frequency impairments of the offer of the embodiment of the present invention two.It is more than the present embodiment
State and be optimized based on embodiment one.In the present embodiment, will be " according to the transmission power and corresponding coupling of each transmitting chain
Power is closed, it is determined that the transmitting chain for breaking down " it is optimized for：Using described each transmitting chain as current transmitting chain,
According to the corresponding current coupled power of current transmitting chain table corresponding with predetermined power, determine that the current coupled power is corresponding
Standard emission power；When the current coupled power is noise floor power or the standard emission power and described current
When the absolute value for penetrating the difference of the current transmission power of link is more than the first given threshold, it is determined that there is event in current transmitting chain
Barrier.
Accordingly, as shown in Fig. 2 the method that the present embodiment is provided is comprised the following steps：
The transmission power of step 201, each transmitting chain of acquisition terminal.
Step 202, the corresponding coupled power of each transmitting chain is obtained using the directional coupler of the terminal.
Step 203, using described each transmitting chain as current transmitting chain, it is corresponding according to current transmitting chain
Current coupled power table corresponding with predetermined power, determines the corresponding standard emission power of the current coupled power.
Wherein, the predetermined power correspondence table is the corresponding relation of the transmission power and coupled power for prestoring, specifically
Can be to be generated after calibration operation.
Exemplary, if the current coupled power of the current transmitting chain detected using directional coupler is -25dBm,
The corresponding standard emission power of current coupled power can be found for 5dBm according to predetermined power correspondence table, that is to say, that using orientation
Bonder detect current coupled power for -25dBm when, if current transmitting chain is normal, the transmitting work(of current transmitting chain
Rate should be 5dBm.
Step 204, when the current coupled power be that noise floor power or the standard emission power are worked as with described
When the absolute value of the difference of the current transmission power of front transmitting chain is more than the first given threshold, it is determined that current transmitting chain occurs
Failure.Wherein, the current transmission power is the transmission power in current transmitting chain after power amplifier.
Noise floor power=- 174+10log (BW)+NF, wherein BW are bandwidth, and unit is Hz.NF is noise system
Number, noise coefficient be for describing a system in occur excessive noisiness quality factor, NF=10*log (F), F=
(Si/Ni)/(So/No), wherein Si for input signal power, So for output signal power, Ni be input noise power, No
For output noise power.
If the current coupled power of the current transmitting chain detected using directional coupler is noise floor power, can
It is determined that current transmitting chain breaks down.
If the standard emission power is more than with the absolute value of the difference of the current transmission power of the current transmitting chain
First given threshold, then can determine that current transmitting chain breaks down.First given threshold is the value more than 20dBm.
It is exemplary, if the current transmission power of current transmitting chain is 28dBm, standard emission power 5dBm with it is current
Absolute difference 23dBm of transmission power 28dBm is more than 20dBm, that is to say, that according to being detected currently using directional coupler
When coupled power is -25dBm, the transmission power of current transmitting chain should be 5dBm, but actual emission power is 28dBm, that
Can determine that current transmitting chain breaks down.
The detection method of radio frequency impairments provided in an embodiment of the present invention, by the current transmission power according to transmitting chain with
The absolute difference of the corresponding standard emission power of coupled power that directional coupler is detected, it is determined that current transmitting chain occurs
Failure, on the basis of mobile terminal hardware configuration is not changed, detects to each transmitting chain, mobile terminal is examined in time
The transmitting chain for breaking down is measured, the communication efficiency of mobile terminal is improved.
Embodiment three
Fig. 3 gives the flow chart of the detection method of the radio frequency impairments of the offer of the embodiment of the present invention three.It is more than the present embodiment
State and be optimized based on embodiment one.In the present embodiment, will be " according to the transmission power and corresponding coupling of each transmitting chain
Power is closed, it is determined that the transmitting chain for breaking down " it is optimized for：Using described each transmitting chain as current transmitting chain,
According to the current transmission power table corresponding with predetermined power of current transmitting chain, the corresponding standard of the current transmission power is determined
Coupled power；When the corresponding current coupled power of the current transmitting chain is noise floor power or standard coupling work(
When rate is more than the second given threshold with the absolute value of the difference of the current coupled power, it is determined that there is event in current transmitting chain
Barrier.
Accordingly, as shown in figure 3, the method for the present embodiment offer, comprises the following steps：
The transmission power of step 301, each transmitting chain of acquisition terminal.
Step 302, the corresponding coupled power of each transmitting chain is obtained using the directional coupler of the terminal.
Step 303, using described each transmitting chain as current transmitting chain, according to the current of current transmitting chain
Transmission power table corresponding with predetermined power, determines the corresponding standard coupled power of the current transmission power.
Wherein, the predetermined power correspondence table is the corresponding relation of the transmission power and coupled power for prestoring, specifically
Can be to be generated after calibration operation.
Exemplary, if the current transmission power of current transmitting chain is 28dBm, can be looked for according to predetermined power correspondence table
It is -2dBm to the corresponding standard coupled power of current transmission power, that is to say, that if current transmission power is 28dBm, if
Current transmitting chain is normal, and the coupled power detected by directional coupler should be -2dBm.
Step 304, when the corresponding current coupled power of the current transmitting chain be noise floor power or the mark
When quasi- coupled power is more than the second given threshold with the absolute value of the difference of the current coupled power, it is determined that current transmitting chain
Break down.Second given threshold is the value more than 20dBm.
If the current coupled power of the current transmitting chain detected using directional coupler is noise floor power, can
It is determined that current transmitting chain breaks down.
If the standard coupled power is more than the second given threshold with the absolute value of the difference of the current coupled power,
It is determined that current transmitting chain breaks down.
Exemplary, if standard coupled power is -2dBm, the current transmitting chain detected using directional coupler is worked as
Front coupled power is -25dBm, then the standard coupled power is more than with absolute difference 23dBm of the current coupled power
20dBm, that is to say, that when the transmission power of current transmitting chain is 28dBm, if current transmitting chain is normal, by orienting coupling
The standard coupled power that clutch is detected should be -2dBm, but the actually detected current coupled power for arriving is -25dBm, then can
It is determined that current transmitting chain breaks down.
The present embodiment provide method, by the corresponding standard coupled power of current transmission power according to transmitting chain with
The absolute difference of the current coupled power detected using directional coupler, it is determined that current transmitting chain breaks down, not
On the basis of changing mobile terminal hardware configuration, each transmitting chain is detected, make mobile terminal detect appearance in time
The transmitting chain of failure, improves the communication efficiency of mobile terminal.
Example IV
Fig. 4 is the structured flowchart of the detection means of the radio frequency impairments that the embodiment of the present invention four is provided, and the device can be by software
And/or hardware is realized, in being typically integrated in mobile terminal.As shown in figure 4, the device includes transmission power acquisition module 41, coupling
Close power acquisition module 42 and transmitting chain fault determination module 43.
The transmission power acquisition module 41, for obtaining the transmission power of each transmitting chain of terminal；
The coupled power acquisition module 42, for obtaining each transmitting chain pair using the directional coupler of the terminal
The coupled power answered；
The transmitting chain fault determination module 43, for according to the transmission power of each transmitting chain and corresponding coupling
Power, it is determined that the transmitting chain for breaking down.
The technical scheme that the present embodiment is provided, the transmission power of each transmitting chain by obtaining terminal, and using eventually
The existing directional coupler at end obtains the corresponding coupled power of each transmitting chain, with according to the transmitting work(of each transmitting chain
Rate and corresponding coupled power, it is determined that the transmitting chain for breaking down, right on the basis of mobile terminal hardware configuration is not changed
Each transmitting chain detected, makes mobile terminal detect the transmitting chain for breaking down in time, improves mobile terminal
Communication efficiency.
On the basis of above-mentioned technical proposal, the transmitting chain fault determination module specifically for：
Using described each transmitting chain as current transmitting chain, according to the corresponding current coupling of current transmitting chain
Power table corresponding with predetermined power, determines the corresponding standard emission power of the current coupled power；
When the current coupled power is noise floor power or the standard emission power and the current transmitting chain
When the absolute value of the difference of the current transmission power on road is more than the first given threshold, it is determined that current transmitting chain breaks down；
Or,
Using described each transmitting chain as current transmitting chain, according to the current transmission power of current transmitting chain
Table corresponding with predetermined power, determines the corresponding standard coupled power of the current transmission power；
When the corresponding current coupled power of the current transmitting chain is noise floor power or standard coupling work(
When rate is more than the second given threshold with the absolute value of the difference of the current coupled power, it is determined that there is event in current transmitting chain
Barrier.
On the basis of above-mentioned technical proposal, also include：
Fisrt fault information display module, for it is determined that after the transmitting chain for breaking down, showing what is broken down
The fault message of transmitting chain repaiies information with sending.
On the basis of above-mentioned technical proposal, also include：
Second fault message display module, if the whole transmitting chains for detecting terminal all break down, shows
The information that whole transmitting chains break down or coupled link circuit breaks down.
On the basis of above-mentioned technical proposal, the value of first given threshold and the second given threshold is more than 20dBm.
The radio frequency that the executable any embodiment of the present invention of the detection means of radio frequency impairments provided in an embodiment of the present invention is provided
The detection method of failure, possesses the corresponding functional module of execution method and beneficial effect.
Embodiment five
A kind of mobile terminal is present embodiments provided, the mobile terminal can include the radio frequency that the embodiment of the present invention four is provided
The detection means of failure.Fig. 5 is a kind of structural representation of mobile terminal that the embodiment of the present invention five is provided, as shown in figure 5, should
Mobile terminal can include：Memorizer 501, central processing unit (Central Processing Unit, hereinafter referred to as CPU)
502nd, Peripheral Interface 503, RF (Radio Frequency, radio frequency) circuit 505, voicefrequency circuit 506, speaker 511, power supply pipe
Reason chip 508, input/output (I/O) subsystem 509, touch screen 512, other input/control devicess 510 and outside port
504, these parts are communicated by one or more communication bus or holding wire 507.
It should be understood that diagram mobile terminal 500 is only an example of mobile terminal, and mobile terminal 500
Can have than the more or less part shown in figure, can combine two or more parts, or can be with
Configure with different parts.Various parts shown in figure can be including one or more signal processing and/or special
Integrated circuit is realized in the combination of interior hardware, software or hardware and software.
The mobile terminal for radio frequency impairments detection that the present embodiment is provided is described in detail below, the movement end
End is by taking mobile phone as an example.
Memorizer 501, the memorizer 501 can be accessed by CPU502, Peripheral Interface 503 etc., and the memorizer 501 can
Including high-speed random access memory, can also include nonvolatile memory, such as one or more disk memories,
Flush memory device or other volatile solid-state parts.
The input of equipment and output peripheral hardware can be connected to CPU502 and be deposited by Peripheral Interface 503, the Peripheral Interface 503
Reservoir 501.
I/O subsystems 509, the I/O subsystems 509 can be by the input/output peripheral on equipment, such as touch screen 512
With other input/control devicess 510, Peripheral Interface 503 is connected to.I/O subsystems 509 can include the He of display controller 5091
For controlling one or more input controllers 5092 of other input/control devicess 510.Wherein, one or more input controls
Device processed 5092 receives the signal of telecommunication or sends the signal of telecommunication to other input/control devicess 510 from other input/control devicess 510,
Other input/control devicess 510 can include physical button (pressing button, rocker buttons etc.), dial, slide switches, behaviour
Vertical pole, click roller.What deserves to be explained is, input controller 5092 can with it is following any one be connected：Keyboard, infrared port,
The instruction equipment of USB interface and such as mouse.
Touch screen 512, the touch screen 512 is the input interface and output interface between user terminal and user, can
Depending on output display to user, visual output can include figure, text, icon, video etc..
Display controller 5091 in I/O subsystems 509 receives the signal of telecommunication or to touch screen 512 from touch screen 512
Electric signals.Contact on the detection touch screen of touch screen 512, display controller 5091 is converted to the contact for detecting and display
The interaction of the user interface object on touch screen 512, that is, realize man-machine interaction, the user interface being displayed on touch screen 512
Object can be the icon of running game, be networked to icon of corresponding network etc..What deserves to be explained is, equipment can also include light
Mus, light Mus are not show the visual touch sensitive surface for exporting, or the extension of the touch sensitive surface formed by touch screen.
RF circuits 505, are mainly used in setting up the communication of mobile phone and wireless network (i.e. network side), realize mobile phone and wireless network
The data receiver of network and transmission.For example receive and dispatch short message, Email, call etc..Specifically, RF circuits 505 are received and sent
RF signals, RF signals are also referred to as electromagnetic signal, and RF circuits 505 convert electrical signals to electromagnetic signal or are converted to electromagnetic signal
The signal of telecommunication, and communicated with communication network and other equipment by the electromagnetic signal.RF circuits 505 can include for
The known circuit of these functions is performed, it includes but is not limited to antenna system, RF transceivers, one or more amplifiers, tuning
Device, one or more agitators, digital signal processor, CODEC (COder-DECoder, coder) chipset, Yong Hubiao
Know module (Subscriber Identity Module, SIM) etc..
Voicefrequency circuit 506, is mainly used in receiving voice data from Peripheral Interface 503, and the voice data is converted to into telecommunications
Number, and the signal of telecommunication is sent to into speaker 511.
Speaker 511, for the voice signal for receiving mobile phone from wireless network by RF circuits 505, is reduced to sound
And play the sound to user.
Power management chip 508, the hardware for being connected by CPU502, I/O subsystem and Peripheral Interface 503 is supplied
Electricity and power management.
The executable following operations of CPU502 provided in an embodiment of the present invention：
Obtain the transmission power of each transmitting chain of terminal；
The corresponding coupled power of each transmitting chain is obtained using the directional coupler of the terminal；
According to the transmission power and corresponding coupled power of each transmitting chain, it is determined that the transmitting chain for breaking down.
Above-mentioned mobile terminal can perform the method that any embodiment of the present invention is provided, and possess the corresponding function of execution method
Module and beneficial effect.Ins and outs of detailed description in the above-described embodiments, not can be found in any embodiment of the present invention and are carried
For radio frequency impairments detection method.
Above are only presently preferred embodiments of the present invention and the know-why used.The invention is not restricted to spy described here
Determine embodiment, the various significant changes that can carry out for a person skilled in the art, readjust and substitute all without departing from
Protection scope of the present invention.Therefore, although the present invention is described in further detail by above example, but this
It is bright to be not limited only to above example, without departing from the inventive concept, more other equivalence enforcements can also be included
Example, and the scope of the present invention is determined by the scope of claim.
Claims (10)
1. a kind of detection method of radio frequency impairments, it is characterised in that include:
Obtain the transmission power of each transmitting chain of terminal；
The corresponding coupled power of each transmitting chain is obtained using the directional coupler of the terminal；
According to the transmission power and corresponding coupled power of each transmitting chain, it is determined that the transmitting chain for breaking down.
2. method according to claim 1, it is characterised in that the transmission power and correspondence according to each transmitting chain
Coupled power, it is determined that the transmitting chain for breaking down includes：
Using described each transmitting chain as current transmitting chain, according to the corresponding current coupled power of current transmitting chain
Table corresponding with predetermined power, determines the corresponding standard emission power of the current coupled power；
When the current coupled power is noise floor power or the standard emission power and the current transmitting chain
When the absolute value of the difference of current transmission power is more than the first given threshold, it is determined that current transmitting chain breaks down；
Or,
Using described each transmitting chain as current transmitting chain, according to the current transmission power of current transmitting chain and pre-
If power correspondence table, determines the corresponding standard coupled power of the current transmission power；
When the corresponding current coupled power of the current transmitting chain be noise floor power or the standard coupled power with
When the absolute value of the difference of the current coupled power is more than the second given threshold, it is determined that current transmitting chain breaks down.
3. method according to claim 1, it is characterised in that it is determined that after the transmitting chain for breaking down, also including：
The fault message of the transmitting chain that display is broken down repaiies information with sending.
4. method according to claim 1, it is characterised in that also include：If detecting whole transmitting chains of terminal all
Break down, then show the information that whole transmitting chains break down or coupled link circuit breaks down.
5. method according to claim 2, it is characterised in that the value of first given threshold and the second given threshold
More than 20dBm.
6. a kind of detection means of radio frequency impairments, it is characterised in that include:
Transmission power acquisition module, for obtaining the transmission power of each transmitting chain of terminal；
Coupled power acquisition module, for obtaining the corresponding coupling work(of each transmitting chain using the directional coupler of the terminal
Rate；
Transmitting chain fault determination module, for according to the transmission power of each transmitting chain and corresponding coupled power, it is determined that
The transmitting chain for breaking down.
7. device according to claim 6, it is characterised in that the transmitting chain fault determination module specifically for：
Using described each transmitting chain as current transmitting chain, according to the corresponding current coupled power of current transmitting chain
Table corresponding with predetermined power, determines the corresponding standard emission power of the current coupled power；
When the current coupled power is noise floor power or the standard emission power and the current transmitting chain
When the absolute value of the difference of current transmission power is more than the first given threshold, it is determined that current transmitting chain breaks down；
Or,
Using described each transmitting chain as current transmitting chain, according to the current transmission power of current transmitting chain and pre-
If power correspondence table, determines the corresponding standard coupled power of the current transmission power；
When the corresponding current coupled power of the current transmitting chain be noise floor power or the standard coupled power with
When the absolute value of the difference of the current coupled power is more than the second given threshold, it is determined that current transmitting chain breaks down.
8. device according to claim 6, it is characterised in that also include：
Fisrt fault information display module, for it is determined that after the transmitting chain for breaking down, showing the transmitting broken down
The fault message of link repaiies information with sending.
9. device according to claim 6, it is characterised in that also include：
Second fault message display module, if the whole transmitting chains for detecting terminal all break down, shows all
The information that transmitting chain breaks down or coupled link circuit breaks down.
10. device according to claim 7, it is characterised in that first given threshold and the second given threshold take
Value is more than 20dBm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610977395.XA CN106571878B (en) | 2016-11-07 | 2016-11-07 | Method and device for detecting radio frequency fault |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610977395.XA CN106571878B (en) | 2016-11-07 | 2016-11-07 | Method and device for detecting radio frequency fault |
Publications (2)
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| CN107682928A (en) * | 2017-10-20 | 2018-02-09 | 维沃移动通信有限公司 | A kind of working frequency range determines method and mobile terminal |
| CN108347276A (en) * | 2018-02-08 | 2018-07-31 | 广东欧珀移动通信有限公司 | Dynamic adjusts method, apparatus, storage medium and the electronic equipment of radio frequency path |
| CN109348504A (en) * | 2018-11-26 | 2019-02-15 | 维沃移动通信有限公司 | Power detecting method, mobile terminal and power-sensing circuit |
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| CN107682928A (en) * | 2017-10-20 | 2018-02-09 | 维沃移动通信有限公司 | A kind of working frequency range determines method and mobile terminal |
| CN108347276A (en) * | 2018-02-08 | 2018-07-31 | 广东欧珀移动通信有限公司 | Dynamic adjusts method, apparatus, storage medium and the electronic equipment of radio frequency path |
| CN108347276B (en) * | 2018-02-08 | 2021-04-13 | Oppo广东移动通信有限公司 | Method and device for dynamically adjusting radio frequency channel, storage medium and electronic equipment |
| CN109348504A (en) * | 2018-11-26 | 2019-02-15 | 维沃移动通信有限公司 | Power detecting method, mobile terminal and power-sensing circuit |
| CN109348504B (en) * | 2018-11-26 | 2022-04-08 | 维沃移动通信有限公司 | Power detection method, mobile terminal and power detection circuit |
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| CN106571878B (en) | 2020-05-12 |
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