CN108683466A - A kind of intelligent terminal and radio frequency interference detection method - Google Patents
A kind of intelligent terminal and radio frequency interference detection method Download PDFInfo
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- CN108683466A CN108683466A CN201810386702.6A CN201810386702A CN108683466A CN 108683466 A CN108683466 A CN 108683466A CN 201810386702 A CN201810386702 A CN 201810386702A CN 108683466 A CN108683466 A CN 108683466A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/345—Interference values
Abstract
The present invention relates to a kind of intelligent terminal and radio frequency interference detection methods.The intelligent terminal includes：Modem, processor and radio-frequency module；Modem, the interference strength value of channel quality indicated value CQI and wireless reception of signals for detecting wireless reception of signals when radio-frequency module works, and it is sent to processor；Processor obtains the first comparison result for CQI to be compared with default CQI threshold values；And be compared interference strength value with default interference strength value, obtain the second comparison result；According to the first comparison result with the second comparison result, determine that intelligent terminal whether there is radio frequency interference.By this kind of mode, easy, efficient determining intelligent terminal whether there is radio frequency interference.And detect whether, there are radio frequency interference, user to be facilitated to adopt an effective measure in time in time, promote user experience.
Description
Technical field
The present invention relates to radio frequency arts more particularly to a kind of intelligent terminal and radio frequency interference detection methods.
Background technology
In recent years, with the fast development of mobile communication technology, the continuous of smart mobile phone is popularized.Frequency resource moves honeycomb
The restriction of dynamic Communication Development is increasing, and radio frequency resource day is becoming tight.Various potential interference constantly generate.Interference becomes limitation
With influence mobile communication system capacity and an important factor for quality, the radio frequency interference of mobile communications network is generally existing and necessary
It solves the problems, such as.
Currently, smart mobile phone integrated level is higher and higher, processing speed is also getting faster.While being brought convenience to user,
Also certain trouble is brought.The high integration of smart mobile phone brings very big challenge, mobile phone master to the Electro Magnetic Compatibility of complete machine
The circuits such as HW High Way, Switching Power Supply on plate generate a large amount of noise and higher hamonic wave at work, if fallen
In the reception frequency range of radio frequency, mobile phone radio frequency performance is just reduced to a certain extent.So, how accurately to detect whether intelligent terminal is deposited
In radio frequency interference, then become technical problem urgently to be resolved hurrily.
Invention content
In order to solve the above technical problems, the present invention provides one kind penetrating intelligent terminal and radio frequency interference detection method.
In a first aspect, the present invention provides a kind of intelligent terminal, which includes：Modem, processor with
And radio-frequency module；
Modem, the channel quality indicated value for detecting wireless reception of signals when radio-frequency module works
The interference strength value of (Channel Quality Indicator, abbreviation CQI) and wireless reception of signals, and it is sent to processing
Device.
Processor obtains the first comparison result for CQI to be compared with default CQI threshold values；
And be compared interference strength value with default interference strength value, obtain the second comparison result；
According to the first comparison result with the second comparison result, determine that intelligent terminal whether there is radio frequency interference.
A kind of intelligent terminal provided in an embodiment of the present invention is detected wireless when radio-frequency module works by modem
The channel quality indicated value CQI of signal is received, current CQI and preset CQI are compared by processor, determine channel quality
Whether preset standard is less than.Meanwhile determining whether the interference strength value of wireless reception of signals is higher than predetermined threshold value, according to the two
Comparison result, easy, efficient determining intelligent terminal whether there is radio frequency interference.And it is dry to detect whether that there are radio frequencies in time
It disturbs, user is facilitated to adopt an effective measure in time, to improve radio-frequency performance, promote user experience.
Further, intelligent terminal further includes alarm, determines that intelligent terminal has interference for working as processor, and determine
After disturbance level, according to fixed disturbance level, alarm signal corresponding with disturbance level is sent out.
In above-mentioned implementation, after determining that there are radio frequency interferences, and determine disturbance level, alarm is sent out and disturbance level
Corresponding alarm signal.According to the difference of alarm signal, user can determine the grade of radio frequency interference, to facilitate user to take
Different measures avoids radio frequency interference, improves radio-frequency performance, greatly promotes user experience.
Second aspect, the present invention provides a kind of radio frequency interference detection method, this method is applied to a kind of intelligent terminal, should
Intelligent terminal includes：Modem, processor and radio-frequency module；Method includes：
Detect the channel quality indicated value CQI and wireless reception of signals of wireless reception of signals when radio-frequency module work
Interference strength value；
CQI is compared with default CQI threshold values, obtains the first comparison result；
And be compared interference strength value with default interference strength value, obtain the second comparison result；
According to the first comparison result with the second comparison result, determine that intelligent terminal whether there is radio frequency interference.
A kind of radio frequency interference detection method provided in an embodiment of the present invention, by detect current CQI and preset CQI into
Row compares, and determines whether channel quality is less than preset standard.Meanwhile determining whether the interference strength value of wireless reception of signals is higher than
Predetermined threshold value determines that intelligent terminal whether there is radio frequency interference according to the two comparison results.Method is easy, more efficient, and
And detect whether, there are radio frequency interference, user to be facilitated to adopt an effective measure in time in time, to improve radio-frequency performance, is promoted and used
It experiences at family.
Further, after determining intelligent terminal presence interference, and determine disturbance level, method further includes：According to having determined that
Disturbance level, send out alarm signal corresponding with disturbance level.
In above-mentioned implementation, after determining that there are radio frequency interferences, and determine disturbance level, send out corresponding with disturbance level
Alarm signal.According to the difference of alarm signal, user can determine the grade of radio frequency interference, different to facilitate user to take
Measure avoids radio frequency interference, greatly promotes user experience.
The third aspect, the present invention provides a kind of computer readable storage mediums, are stored thereon with computer program instructions,
The radio frequency interference detection method as described in second aspect is realized when the program instruction is executed by intelligent terminal.
Description of the drawings
Fig. 1 is a kind of intelligent terminal structural schematic diagram provided in an embodiment of the present invention；
Fig. 2 is intelligent terminal another kind structural schematic diagram provided in an embodiment of the present invention；
Fig. 3 is intelligent terminal another kind structural schematic diagram provided in an embodiment of the present invention；
Fig. 4 is a kind of radio frequency interference detection method flow diagram provided in an embodiment of the present invention；
Fig. 5 is the side provided in an embodiment of the present invention that advanced interference is determined as to level-one radio frequency interference and two level radio frequency interference
Method flow diagram；
Fig. 6 is another radio frequency interference detection method flow diagram provided in an embodiment of the present invention.
Specific implementation mode
In being described below, for illustration and not for limitation, it is proposed that such as specific system structure, interface, technology it
The detail of class, to understand thoroughly the present invention.However, it will be clear to one skilled in the art that there is no these specific
The present invention can also be realized in the other embodiments of details.In other situations, omit to well-known system, circuit and
The detailed description of method, in case unnecessary details interferes description of the invention.
An embodiment of the present invention provides a kind of intelligent terminals.Specifically as shown in FIG. 1, FIG. 1 is provided in an embodiment of the present invention
A kind of intelligent terminal structural schematic diagram.The intelligent terminal includes：Modem 10, processor 20 and radio-frequency module 30.
Modem 10, the channel quality indicated value for detecting wireless reception of signals when radio-frequency module 30 works
The interference strength value of CQI and wireless reception of signals, and it is sent to processor 20.
Processor 20 obtains the first comparison result for CQI to be compared with default CQI threshold values；
Interference strength value is compared with default interference strength value, obtains the second comparison result.
According to the first comparison result with the second comparison result, determine that intelligent terminal whether there is radio frequency interference.
Specifically, CQI is the information instruction of channel quality, it is used to indicate the quality of present channel quality.Work as modulation /demodulation
Device 10 detect radio-frequency module 30 work when wireless reception of signals CQI value after, processor 20 by current CQI with it is preset
CQI threshold values are compared, and obtain the first comparison result, and then determine whether the channel quality of current wireless reception of signals reaches just
Reason condition.
And intelligent terminal normal work when, due to different channels different frequency signals transmission when or homogenous frequency signal
When transmission, certain interference more or less can be all generated to other signals.Only because the difference of interference strength, causes some dry
The reception of signal can be damaged by disturbing, some interference will not then receive signal and impact.Therefore, in addition to CQI to be detected
In addition, the interference strength value of wireless reception of signals when radio-frequency module 30 works is also predefined.
After the interference strength value for obtaining wireless reception of signals when radio-frequency module 30 works, interference strength value is done with default
It disturbs intensity value to be compared, obtains the second comparison result.
Finally, processor 20 determines that intelligent terminal whether there is radio frequency according to the first comparison result with the second comparison result
Interference.A kind of intelligent terminal provided in an embodiment of the present invention, wirelessly connecing when detecting radio-frequency module work by modem
Current CQI and preset CQI are compared by the channel quality indicated value CQI of the collection of letters number, processor, determine that channel quality is
It is no to be less than preset standard.Meanwhile determining whether the interference strength value of wireless reception of signals is higher than predetermined threshold value, according to the two ratios
Compared with as a result, easy, efficient determining intelligent terminal whether there is radio frequency interference.And it is dry to detect whether that there are radio frequencies in time
It disturbs, user is facilitated to adopt an effective measure in time, to improve radio-frequency performance, promote user experience.
For achieved by a kind of more detailed explanation intelligent terminal provided in an embodiment of the present invention to radio frequency interference into
Row detection, the present invention also provides an optional embodiment.In the optional embodiment, default CQI threshold values may include
First CQI threshold values and the 2nd CQI threshold values, wherein the first CQI threshold values are more than the 2nd CQI threshold values.
The function that each component in the intelligent terminal executes is as follows：
Modem 10, the CQI value for detecting wireless reception of signals when radio-frequency module 30 works, and it is sent to place
Manage device 20.
Specifically, when radio-frequency module works, modem 10 detects wireless reception of signals at any time or periodically
The parameter of quality, detection is CQI.And this parameter is sent to processor 20.Processor 20 is then used for CQI and default CQI
Threshold value is compared, and obtains the first comparison result.
Typically, CQI is the measurement standard of the communication quality of wireless channel, the scale that mark useful signal accounts for.
CQI can be the channel measurement standard for representing a given channel.One high CQI value indicates that a channel has higher matter
Amount, vice versa.It can be by using performance indicator, such as signal-to-noise ratio, Signal to Interference plus Noise Ratio to the CQI of a channel
Or performance Index Calculation of the signal with noise distortion than equal channels comes out.
Specifically, when modem 10 detect radio-frequency module 30 work when wireless reception of signals CQI value after, place
Current CQI is compared by reason device 20 with preset CQI threshold values, obtains the first comparison result, and then determination currently wirelessly connects
Whether the channel quality of the collection of letters number reaches normal condition.
And intelligent terminal normal work when, due to different channels different frequency signals transmission when or homogenous frequency signal
When transmission, certain interference more or less can be all generated to other signals.Only because the difference of interference strength, causes some dry
The reception of signal can be damaged by disturbing, some interference will not then receive signal and impact.Therefore, in addition to CQI to be detected
In addition, the interference strength value of wireless reception of signals when radio-frequency module 30 works is also predefined.
After the interference strength value for obtaining wireless reception of signals when radio-frequency module 30 works, interference strength value is done with default
It disturbs intensity value to be compared, obtains the second comparison result.
Finally, processor 20 determines that intelligent terminal whether there is radio frequency according to the first comparison result with the second comparison result
Interference.
In specific implementation process, because default CQI threshold values include the first CQI threshold values and the 2nd CQI threshold values.It is described to sentence
When determining radio frequency interference, it is broadly divided into following three kinds of situations.It specifically includes：
The first situation, the CQI of the wireless reception of signals when radio-frequency module 30 works, which is more than or equal to first, to be preset
CQI threshold values, and when interference strength value when radio-frequency module 30 works is less than default interference strength value, determine that intelligent terminal is not present
Radio frequency interference.
When the CQI value of wireless reception of signals is more than or equal to the first preset CQI threshold values, then illustrate the channel quality
It is higher than normal channel quality.And the interference strength value when radio-frequency module 30 works is when being less than default interference strength value, together
Sample is that the current channel quality that is reacted from side is preferable, and received signal intensity is relatively high.There is currently no penetrate for intelligent terminal
Frequency interferes.
Alternatively,
The CQI of the second situation, the wireless reception of signals when radio-frequency module 30 works is less than the second default CQI threshold values,
And it is high to determine that intelligent terminal exists when being more than or equal to default interference strength value for interference strength value of the radio-frequency module 30 when working
Grade radio frequency interference.
The CQI of wireless reception of signals when radio-frequency module 30 works is less than the second default CQI threshold values, and radio-frequency module 30
When interference strength value when work is more than or equal to default interference strength value, it is evident that current channel quality is seriously relatively low.
There are the interference of high intensity for intelligent terminal.It is likely to signal and the reasons such as is shielded far from base station either signal to cause.
Alternatively,
The CQI of the third situation, the wireless reception of signals when radio-frequency module 30 works is less than the first CQI threshold values, is more than
Or it is equal to the 2nd CQI threshold values, and the interference strength value when work of radio-frequency module 30 is more than or equal to default interference strength value
When, determining intelligent terminal, there are rudimentary radio frequency interferences.
The CQI of wireless reception of signals when radio-frequency module 30 works is less than the first CQI threshold values, is more than or equal to second
When CQI threshold values, then illustrate that channel quality is general.And the interference strength value when work of radio frequency operation module is more than or equal to default
When interference strength value, then illustrating intelligent terminal, there are certain interference.I.e. the radio-frequency module 30 of intelligent terminal receives the strong of signal
Degree meets primary demand, but there are interference informations in signal, and whole noise is caused to be elevated the value for influencing CQI.
A kind of intelligent terminal that this hair embodiment provides, passes through the detailed comparison of processor current CQI and the first CQI thresholds
Interference strength value when magnitude relationship and current radio frequency operational module between value and the 2nd CQI threshold values work is done with default
The magnitude relationship between intensity value is disturbed, easily determines that intelligent terminal whether there is radio frequency interference, and there are radio frequency interferences
Still there is the generation for phenomena such as radiofrequency signal is shielded in intensity, such as general radio frequency interference.
Further, it is the more detailed function of introducing achieved by each component of the intelligent terminal, it is optional at one
In embodiment, the function performed by each component in the intelligent terminal is as follows：
Modem 10, the CQI value for detecting wireless reception of signals when radio-frequency module 30 works；
And it is additionally operable to the signal strength instruction (Received of wireless reception of signals when detection radio-frequency module 30 works
Signal Strength Indication, abbreviation RSSI), and CQI value and RRSI values are sent to processor 20.
Specifically, when radio-frequency module works, modem 10 detects wireless reception of signals at any time or periodically
The parameter of quality, detection is CQI.And this parameter is sent to processor 20.Typically, CQI is the communication of wireless channel
The measurement standard of quality, the scale that mark useful signal accounts for.CQI can be the channel measurement mark for representing a given channel
It is accurate.One high CQI value indicates that a channel has higher quality, and vice versa.It can be by using to the CQI of a channel
Performance indicator, for example, signal-to-noise ratio, Signal to Interference plus Noise Ratio or signal and noise distortion than etc. channels performance indicator meter
It calculates.
Specifically, when modem 10 detect radio-frequency module 30 work when wireless reception of signals CQI value after, place
Current CQI is compared by reason device 20 with preset CQI threshold values, obtains the first comparison result, and then determination currently wirelessly connects
Whether the channel quality of the collection of letters number reaches normal condition.
RSSI is signal strength indication value, indicates that signal receives total intensity.Modem 10 can be at any time or all
The signal quality and signal strength of the detection wireless reception of signals of phase property.
And intelligent terminal normal work when, due to different channels different frequency signals transmission when or homogenous frequency signal
When transmission, certain interference more or less can be all generated to other signals.Only because the difference of interference strength, causes some dry
The reception of signal can be damaged by disturbing, some interference will not then receive signal and impact.Therefore, in addition to CQI to be detected
In addition, the interference strength value of wireless reception of signals when radio-frequency module 30 works is also predefined.
After the interference strength value for obtaining wireless reception of signals when radio-frequency module 30 works, interference strength value is done with default
It disturbs intensity value to be compared, obtains the second comparison result.
Finally, processor 20 determines that intelligent terminal whether there is radio frequency according to the first comparison result with the second comparison result
Interference.
In specific implementation process, it is broadly divided into following three kinds of situations.It specifically includes：
The first situation, the CQI of the wireless reception of signals when radio-frequency module 30 works, which is more than or equal to first, to be preset
CQI threshold values, and when interference strength value when radio-frequency module 30 works is less than default interference strength value, determine that intelligent terminal is not present
Radio frequency interference.
Specifically, when the CQI value of wireless reception of signals is more than or equal to the first preset CQI threshold values, then explanation should
Channel quality is higher than normal channel quality.And the interference strength value when radio-frequency module 30 works is less than default interference strength
Equally it is that the current channel quality that is reacted from side is preferable, received signal intensity is relatively high when value.Intelligent terminal is currently not
There are radio frequency interferences.
Alternatively,
The CQI of the second situation, the wireless reception of signals when radio-frequency module 30 works is less than the second default CQI threshold values,
And it is high to determine that intelligent terminal exists when being more than or equal to default interference strength value for interference strength value of the radio-frequency module 30 when working
Grade radio frequency interference.
Specifically, the CQI of the wireless reception of signals when radio-frequency module 30 works is less than the second default CQI threshold values, and penetrate
When interference strength value when frequency module 30 works is more than or equal to default interference strength value, it is evident that current channel quality
It is serious relatively low.There are the interference of high intensity for intelligent terminal.It is likely to signal and the reasons such as is shielded far from base station either signal
It causes.
For actually, intelligent terminal is not only embodied in CQI value in the presence of interference, has been also embodied in RSSI value.And
Advanced interference can then be determined as level-one radio frequency interference and two level radio frequency interference.
When determining level-one radio frequency interference and two level radio frequency interference, then can be determined according to RSSI value.
Specifically, RSSI is compared with default RSSI threshold values, when RSSI is less than default RSSI threshold values, intelligence is determined
There are level-one radio frequency interferences for terminal.
Alternatively, when RSSI is more than or equal to default RSSI threshold values, intelligent terminal is determined there are two level radio frequency interference,
Middle level-one radio frequency interference is higher than two level radio frequency interference.
Specifically, when RSSI value is less than preset RSSI threshold values, then it is poor to illustrate that signal receives total intensity.Letter
Number receiving intensity is excessively poor, or even can not receive signal, will necessarily influence the use of user.Lead to the big discounting of user experience
Button, therefore level-one radio frequency interference can be defined as.
And when RSSI is more than or equal to default RSSI threshold values, then illustrate that the intensity that current demand signal receives is not high, still
Will slightly can be better, but because noise is larger (CQI be less than the second default CQI threshold values), lead to user in use,
Interfering noise is more when especially conversing, and can equally lower the Experience Degree of user.Therefore, it is dry that two level radio frequency can be defined as
It disturbs.
Alternatively, the third situation, the CQI of the wireless reception of signals when radio-frequency module 30 works is less than the first CQI threshold values,
More than or equal to the 2nd CQI threshold values, and the interference strength value when work of radio-frequency module 30 is more than or equal to default interference by force
When angle value, determining intelligent terminal, there are rudimentary radio frequency interferences.
Specifically, the CQI of wireless reception of signals when radio-frequency module 30 works is less than the first CQI threshold values, be more than or
When equal to the 2nd CQI threshold values, then illustrate that channel quality is general.And radio frequency operation module work when interference strength value be more than or
When equal to default interference strength value, then illustrating intelligent terminal, there are certain interference.I.e. the radio-frequency module 30 of intelligent terminal receives
The intensity of signal meets primary demand, but there are interference informations in signal, and causing whole noise to be elevated influences CQI's
Value.
It further, can be according to radio frequency interference grade by the above-mentioned means, after accurately determining radio frequency interference grade
Difference determines corresponding priority level.That is, disturbance level is higher, priority level is also higher.Convenient processor can be excellent
It first adopts an effective measure and handles the higher radio frequency interference of priority level, and the lower interference of priority, processing can be delayed, if
Influence of the radio frequency interference to user's using terminal equipment is very low, then can temporarily ignore.
A kind of intelligent terminal that this hair embodiment provides, passes through the detailed comparison of processor current CQI and the first CQI thresholds
Interference strength value when magnitude relationship and current radio frequency operational module between value and the 2nd CQI threshold values work is done with default
The magnitude relationship between intensity value is disturbed, easily determines that intelligent terminal whether there is radio frequency interference.When determining radio frequency interference intensity
For advanced radio frequency interference intensity when, can also be by comparing relationship between current RSSI value and predetermined threshold value, determination is one
Grade radio frequency interference or two level radio frequency interference.To according to the grade of interference, more segment pending priority level, in order to avoid indulge in
Misapply normal use of the family to terminal device.
Further, it hereinbefore has determined that the grade of radio frequency interference, but is to be able to timely take effectively
Measure is necessarily required to determine the position for sending out interference, that is, determines interference source.
On the basis of above-mentioned introduced content, intelligent terminal further includes the embodiment of the present invention：Memory 40, specifically such as
Shown in Fig. 2, memory 40 is additionally operable to deposit other than for storing one or more program medium run for processor 20
The CQI value that storage modem 10 detects.
When carrying out a certain item operation, such as screen is lighted, is inserted into USB line, opens some application program etc., modulatedemodulate
It adjusts device 10 to be used to detect the CQI value of the wireless signal received again, and is sent to processor 20.Processor 20 is used for, and will be worked as
Before the CQI value that detects be compared with the CQI value that pre-stored previous modem 10 detects.
When the CQI of the current wireless reception of signals of determination is less than the CQI that a pre-stored preceding modem 10 detects
When value, determine that the operating position is interference source.
Further, after determining interference source, processor 20 is additionally operable to, and according to the interference source oriented, is taken default
Interference protection measure.
Specifically, after determining interference source, certain effective measures can be taken interference source, it is dry to reduce with this
It disturbs.For example, changing the signal working frequency of interference source, its higher hamonic wave is made to avoid the working frequency range of the reception of radio-frequency module 30, or,
Or when interference priorities it is higher, can be with current baseband module out of service when the work of radio-frequency module 30 is impacted serious.
Or switch operating channel etc..
In the above manner, the processor 20 in intelligent terminal can be utilized, which to reduce automatically, even is eliminated interference, letter is improved
Number transmission quality promotes user experience.
Further alternative, intelligent terminal can also include alarm module 50, specific as shown in figure 3, the alarm module 50,
For work as processor determine intelligent terminal exist interference, and determine disturbance level after, according to fixed disturbance level, send out with
The corresponding alarm signal of disturbance level.
Thus, when determining there are radio frequency interference, and after determining disturbance level, alarm 50 can send out alarm signal
Breath.User determines the grade of radio frequency interference according to the difference of alarm signal, to take different measures to avoid radio frequency interference,
Greatly promote user experience.
Corresponding with above-mentioned intelligent terminal, the embodiment of the present invention additionally provides a kind of radio frequency interference detection method, specifically
As shown in figure 4, Fig. 4 is a kind of radio frequency interference detection method flow diagram provided in an embodiment of the present invention.This method includes：
Step 410, it detects the channel quality indicated value CQI of wireless reception of signals when radio-frequency module works and wirelessly connects
The interference strength value of the collection of letters number.
Step 420, CQI is compared with default CQI threshold values, obtains the first comparison result.
Specifically, after detecting the CQI value of wireless reception of signals when radio-frequency module work, by current CQI with it is default
CQI threshold values be compared, obtain the first comparison result, and then determine whether the channel quality of current wireless reception of signals reaches
Normal condition.
Step 430, interference strength value is compared with default interference strength value, obtains the second comparison result.
Intelligent terminal normal work when, due to different channels different frequency signals transmission when or homogenous frequency signal pass
When defeated, certain interference more or less can be all generated to other signals.Only because the difference of interference strength, leads to some interference
The reception of signal can be damaged, some interference will not then receive signal and impact.Therefore, in addition to CQI to be detected with
Outside, the interference strength value of wireless reception of signals when radio-frequency module work is also predefined.
After the interference strength value for obtaining wireless reception of signals when radio-frequency module work, by interference strength value and default interference
Intensity value is compared, and obtains the second comparison result.
Step 440, determine that intelligent terminal whether there is radio frequency interference with the second comparison result according to the first comparison result.
A kind of radio frequency interference detection method provided in an embodiment of the present invention, wirelessly connecing when by detecting radio-frequency module work
The channel quality indicated value CQI of the collection of letters number, and current CQI and preset CQI are compared, determine whether channel quality is low
In preset standard.Meanwhile determining whether the interference strength value of wireless reception of signals is higher than predetermined threshold value, compare knot according to the two
Fruit, easy, efficient determining intelligent terminal whether there is radio frequency interference.And detect whether that there are radio frequency interference, sides in time
Just user adopts an effective measure in time, promotes user experience.
For radio frequency interference detection method provided in an embodiment of the present invention is described in further detail, the embodiment of the present invention also provides
Another radio frequency interference detection method, in the optional embodiment, default CQI threshold values may include the first CQI threshold values and
2nd CQI threshold values, wherein the first CQI threshold values are more than the 2nd CQI threshold values.This method includes：
Step 410, the channel quality indicated value CQI of the wireless reception of signals when work of detection radio-frequency module, and it is wireless
Receive the interference strength value of signal.
Specifically, when radio-frequency module works, modem 10 detects wireless reception of signals at any time or periodically
The parameter of quality, detection is CQI.And this parameter is sent to processor 20.
Typically, CQI is the measurement standard of the communication quality of wireless channel, the scale that mark useful signal accounts for.
CQI can be the channel measurement standard for representing a given channel.One high CQI value indicates that a channel has higher matter
Amount, vice versa.It can be by using performance indicator, such as signal-to-noise ratio, Signal to Interference plus Noise Ratio to the CQI of a channel
Or performance Index Calculation of the signal with noise distortion than equal channels comes out.
Step 420, CQI is compared with default CQI threshold values, obtains the first comparison result.
Specifically, after detecting the CQI value of wireless reception of signals when radio-frequency module work, by current CQI with it is default
CQI threshold values be compared, obtain the first comparison result, and then determine whether the channel quality of current wireless reception of signals reaches
Normal condition.
Step 430, interference strength value is compared with default interference strength value, obtains the second comparison result.
Intelligent terminal normal work when, due to different channels different frequency signals transmission when or homogenous frequency signal pass
When defeated, certain interference more or less can be all generated to other signals.Only because the difference of interference strength, leads to some interference
The reception of signal can be damaged, some interference will not then receive signal and impact.Therefore, in addition to CQI to be detected with
Outside, the interference strength value of wireless reception of signals when radio-frequency module work is also predefined.
After the interference strength value for obtaining wireless reception of signals when radio-frequency module work, by interference strength value and default interference
Intensity value is compared, and obtains the second comparison result.
Step 440, determine that intelligent terminal whether there is radio frequency interference with the second comparison result according to the first comparison result.
In specific implementation process, it is broadly divided into following three kinds of situations.It specifically includes：
The CQI of the first situation, the wireless reception of signals when radio-frequency module works is more than or equal to the first default CQI
Threshold value, and when interference strength value when radio-frequency module works is less than default interference strength value, determine that radio frequency is not present in intelligent terminal
Interference.
Specifically, when the CQI value of wireless reception of signals is more than or equal to the first preset CQI threshold values, then explanation should
Channel quality is higher than normal channel quality.And the interference strength value when radio-frequency module works is less than default interference strength value
When, equally it is that the current channel quality that is reacted from side is preferable, received signal intensity is relatively high.Intelligent terminal is not deposited currently
In radio frequency interference.
Alternatively,
The CQI of the second situation, the wireless reception of signals when radio-frequency module works is less than the second default CQI threshold values, and
When interference strength value when radio-frequency module works is more than or equal to default interference strength value, determine that intelligent terminal is penetrated there are advanced
Frequency interferes.
Specifically, the CQI of the wireless reception of signals when radio-frequency module works is less than the second default CQI threshold values, and radio frequency
When interference strength value when module works is more than or equal to default interference strength value, it is evident that current channel quality is serious
It is relatively low.There are the interference of high intensity for intelligent terminal.It is likely to signal and the reasons such as is shielded far from base station either signal to cause.
Alternatively,
The third situation, the CQI of the wireless reception of signals when radio-frequency module works are less than the first CQI threshold values, be more than or
Person is equal to the 2nd CQI threshold values, and when interference strength value when radio-frequency module works is more than or equal to default interference strength value, really
Determining intelligent terminal, there are rudimentary radio frequency interferences.
Specifically, the CQI of the wireless reception of signals when radio-frequency module works is less than the first CQI threshold values, it is more than or waits
When the 2nd CQI threshold values, then illustrate that channel quality is general.And the interference strength value when work of radio frequency operation module is more than or waits
When default interference strength value, then illustrating intelligent terminal, there are certain interference.I.e. the radio-frequency module of intelligent terminal receives signal
Intensity meet primary demand, but there are interference informations in signal, and whole noise is caused to be elevated the value for influencing CQI.
A kind of radio frequency interference detection method provided in an embodiment of the present invention, passes through detailed comparison current CQI and first
Interference strength value when magnitude relationship between CQI threshold values and the 2nd CQI threshold values and current radio frequency operational module work with it is pre-
If the magnitude relationship between interference strength value, easily determine that intelligent terminal whether there is radio frequency interference, and there are radio frequencies to do
Still there is the generation for phenomena such as radiofrequency signal is shielded in the intensity disturbed, such as general radio frequency interference.
It is further alternative, while detecting CQI, wireless reception of signals when radio-frequency module work can also be detected
RSSI value, RSSI are signal strength indication value, indicate that signal receives total intensity.Intelligent terminal is not only embodied in the presence of interference
In CQI value, it has been also embodied in RSSI value.And advanced interference can then be determined as level-one radio frequency interference and two level radio frequency interference.
When determining level-one radio frequency interference and two level radio frequency interference, then can be determined according to RSSI value.
Specifically as shown in figure 5, may include steps of：
Step 510, RSSI is compared with default RSSI threshold values, when RSSI is less than default RSSI threshold values, determines intelligence
There are level-one radio frequency interferences for energy terminal.
Or step 520, when RSSI is more than or equal to default RSSI threshold values, determining intelligent terminal, there are two level radio frequencies
Interference, wherein level-one radio frequency interference are higher than two level radio frequency interference.
Specifically, when RSSI value is less than preset RSSI threshold values, then it is poor to illustrate that signal receives total intensity.Letter
Number receiving intensity is excessively poor, or even can not receive signal, will necessarily influence the use of user.Lead to the big discounting of user experience
Button, therefore level-one radio frequency interference can be defined as.
And when RSSI is more than or equal to default RSSI threshold values, then illustrate that the intensity that current demand signal receives is not high, still
Will slightly can be better, but because noise is larger (CQI be less than the second default CQI threshold values), lead to user in use,
Interfering noise is more when especially conversing, and can equally lower the Experience Degree of user.Therefore, it is dry that two level radio frequency can be defined as
It disturbs.
By comparing the relationship between current RSSI value and predetermined threshold value, determination is that level-one radio frequency interference or two level are penetrated
Frequency interferes.To according to the grade of interference, more segment pending priority level, in order to avoid delay user to terminal device just
It is often used.
Further, by content described above, it has been determined that the grade of radio frequency interference, but be to be able to
It timely adopts an effective measure, is necessarily required to determine the position for sending out interference, that is, determines interference source.
Therefore, on the basis of above method embodiment, specifically as shown in fig. 6, this method can also include：
Step A：The CQI of wireless reception of signals when current radio frequency module is worked and a pre-stored preceding modulation /demodulation
The CQI that device detects is compared.
Step B：The CQI of wireless reception of signals when determining the work of current radio frequency module be less than it is pre-stored before once adjust
When the CQI that modulator-demodulator detects, location interference source.
Specifically, when carrying out a certain item operation, such as screen is lighted, it is inserted into USB line, opens some application program
Deng, CQI value of the modem for detecting the wireless signal received again, and it is sent to processor.Processor is used for, will
Currently detected CQI value is compared with the CQI value that pre-stored previous modem detects.
When the CQI of the current wireless reception of signals of determination is less than the CQI value that a pre-stored preceding modem detects
When, determine that the operating position is interference source.
Further, after determining interference source, it is also necessary to according to the interference source oriented, take default anti-interference arrange
It applies.For example, after determining interference source, certain effective measures can be taken interference source, are interfered with this to reduce.For example,
The signal working frequency for changing interference source makes its higher hamonic wave avoid the working frequency range of radio-frequency module reception, or, processor is reduced
The driving capability of data/address bus makes the reduction of its noise amplitudes, or when interference priorities are higher, the work of radio-frequency module is impacted
It, can be with current baseband module out of service when serious.Or switch operating channel etc..
In the above manner, the processor in intelligent terminal can be utilized, which to reduce automatically, even is eliminated interference, signal is improved
Transmission quality promotes user experience.
Further, after determining intelligent terminal presence interference, and determine disturbance level, this method can also include step
450：According to fixed disturbance level, alarm signal corresponding with disturbance level is sent out
After determining that there are radio frequency interferences, and determine disturbance level, alarm signal corresponding with disturbance level is sent out.According to
The difference of alarm signal, user can determine the grade of radio frequency interference, to facilitate user that different measures is taken to avoid radio frequency
Interference improves radio-frequency performance, greatly promotes user experience.
In addition, the embodiment of the present invention additionally provides a kind of computer readable storage medium, it is stored thereon with computer program
Instruction, the program instruction realize the method and step described in above-mentioned any means embodiment when being executed by intelligent terminal；And may be used also
It can be installed on intelligence to store default CQI threshold values, RSSI threshold values, the default storage mediums such as interference strength value and other data
In terminal, the processor in intelligent terminal reads the program instruction operation in storage medium, or reads the number in storage medium
According to doing subsequent processing.
In addition, intelligent terminal can also include other than it may include the component described in each embodiment as above：
At least one network interface and other users interface.The various components of mobile terminal are coupling in by bus system
Together.For realizing the connection communication between components above.Bus system may include data/address bus, power bus, control always
Line and status signal bus in addition.
Wherein, user interface may include either pointing device (such as mouse, touch-sensitive plate or the touch of display, keyboard
Screen).
The modem in the device of radio frequency impairments is detected, is a kind of computer hardware, it can be the number of computer
Signal translates into the pulse signal that can be transmitted along ordinary telephone line, and these pulse signals can by the circuit other end another
Modem receives, and is translated into the language that computer can be understood.Information in computer forms digital signal by " 0 " and " 1 ",
And what is transmitted on the telephone line can only be analog electrical signal.Then, when two computers will carry out data biography by telephone wire
When defeated, it is necessary to which an equipment is responsible for the conversion of digital-to-analogue.This digital analog converter is exactly Modem.
The several types that hereinafter will simply introduce Modem can substantially divide according to the form and mounting means of Modem
For following four classes：
Fold external Modem
External Modem is positioned over outside cabinet, is connect with host by serial communication interface.This Modem facilitates dexterous, easy
In installation, the indicator light of flicker is convenient for the working condition of monitoring Modem.But external Modem need using additional power supply with
Cable.
Fold built-in Modem
Built-in Modem needs to dismantle cabinet when mounted, and to be configured to terminal and com port, and installation is more
It is cumbersome.This Modem will occupy the expansion slot on mainboard, but be not necessarily to additional power supply and cable, and price is than external Modem
It is cheap.
Fold PCMCIA card insert types Modem
Card insert type Modem is mainly used for laptop, and volume is dainty.Coordinate mobile phone, it is convenient to realize movement
Office.
Folding machine posture Modem
Rack Modem, which is equivalent to, to be concentrated on one group of Modem in one babinet or shell, and is carried out by unified power supply
Power supply.Rack Modem is mainly used for the center of the networks such as Internet/Intranet, telecommunication bureau, campus network, financial institution
Computer room.
In addition to above four kinds of common Modem, there is isdn modem now and a kind of being known as Cable Modem
Modem, in addition also a kind of ADSL Modem.Cable Modem carry out signal biography using the cable of cable television
It send, not only has the function of modulation /demodulation, also integrate router, hub, bridge, theoretical transmission speed is more reachable
10Mbps or more.It is surfed the Internet by Cable Modem, each user has independent IP address, is equivalent to and has an individual
Special line.Currently, martial prowess network company of Shenzhen cable TV station has released this Internet access clothes based on cable television network
Business, access rate 2Mbps-10Mbps.
The modem of USB interface
The appearance of USB technologies provides faster speed, simpler connection method to the peripheral equipment of computer, and SHARK is public
Department takes the lead in being proposed the modem of the 56K of USB interface, this only has the modem of pager size really to traditional string
Mouth modem brings challenge.It need to be only connected on the USB interface of host, there are 2 USB to connect on usual host
Mouthful, and USB interface can connect 127 equipment, if to connect the hub of the also commercially available USB of more equipment.The display of usual USB
Device, printer can act as the hub of USB, because they have also provides 1-2 other than the USB interface of connection host
The interface of USB.
The modem of any type type is not limited in the embodiment of the present invention, as long as being that by implementation of the present invention
The modem of required function may be incorporated in the application in example, not limit here.Detect the dress of radio frequency impairments
Processor in setting can be a kind of IC chip, the processing capacity with signal.Processor can be general processor,
Digital signal processor (Digital Signal Processor, abbreviation DSP), application-specific integrated circuit (Application
Specific work ntegrated Circuit, abbreviation ASIC), field programmable gate array (FieldProgrammable Gate
Array, abbreviation FPGA) either other programmable logic device, discrete gate or transistor logic, discrete hardware components.
It may be implemented or execute disclosed each method, step and the logic diagram in the embodiment of the present invention.General procedure
Device can be microprocessor or the processor can also be any conventional processor etc..In conjunction with disclosed in the embodiment of the present invention
Method the step of can be embodied directly in hardware decoding processor and execute completion, or with hardware in decoding processor and soft
Part block combiner executes completion.Software module can be located at random access memory, and flash memory, read-only memory may be programmed read-only storage
In the storage medium of this fields such as device or electrically erasable programmable memory, register maturation.Processor reads storage medium
In information, in conjunction with its hardware complete the above method the step of.
Storage medium can be memory, such as can be volatile memory or nonvolatile memory, or may include
Both volatile and non-volatile memories.
Wherein, nonvolatile memory can be read-only memory (Read-Only Memory, abbreviation ROM), may be programmed
Read-only memory (Programmable ROM, abbreviation PROM), Erasable Programmable Read Only Memory EPROM (Erasable PROM, letter
Claim EPROM), electrically erasable programmable read-only memory (Electrically EPROM, abbreviation EEPROM) or flash memory.
Volatile memory can be random access memory (Random Access Memory, abbreviation RAM), be used as
External Cache.By exemplary but be not restricted explanation, the RAM of many forms is available, such as static random-access is deposited
Reservoir (Static RAM, abbreviation SRAM), dynamic random access memory (Dynamic RAM, abbreviation DRAM), synchronous dynamic with
Machine accesses memory (Synchronous DRAM, abbreviation SDRAM), double data speed synchronous dynamic RAM
(Double Data RateSDRAM, abbreviation DDRSDRAM), enhanced Synchronous Dynamic Random Access Memory (Enhanced
SDRAM, abbreviation ESDRAM), synchronized links dynamic random access memory (Synchlink DRAM, abbreviation SLDRAM) and directly
Rambus random access memory (DirectRambus RAM, abbreviation DRRAM).
The storage medium of description of the embodiment of the present invention is intended to depositing for including but not limited to these and any other suitable type
Reservoir.
Reader should be understood that in the description of this specification reference term " one embodiment ", " is shown " some embodiments "
The description of example ", " specific example " or " some examples " etc. mean specific features described in conjunction with this embodiment or example, structure,
Material or feature are included at least one embodiment or example of the invention.In the present specification, above-mentioned term is shown
The statement of meaning property need not be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described
It may be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this
The technical staff in field can be by the spy of different embodiments or examples described in this specification and different embodiments or examples
Sign is combined.
It is apparent to those skilled in the art that for convenience of description and succinctly, foregoing description is
The specific work process of system and unit, can refer to corresponding processes in the foregoing method embodiment, details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system and method can pass through it
Its mode is realized.For example, system embodiment described above is only schematical, for example, the division of unit, only
A kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.
The unit illustrated as separating component may or may not be physically separated, and be shown as unit
Component may or may not be physical unit, you can be located at a place, or may be distributed over multiple networks
On unit.Some or all of unit therein can be selected according to the actual needs to realize the mesh of the embodiment of the present invention
's.
In addition, each functional unit in each embodiment of the present invention can integrate in a processor, can also be
Each unit physically exists alone, and can also be during two or more units are integrated in one unit.Above-mentioned integrated list
The form that hardware had both may be used in member is realized, can also be realized in the form of SFU software functional unit.
It, can if integrated unit is realized in the form of SFU software functional unit and when sold or used as an independent product
To be stored in a computer read/write memory medium.Based on this understanding, technical scheme of the present invention substantially or
Say that all or part of the part that contributes to existing technology or the technical solution can embody in the form of software products
Out, which is stored in a storage medium, including some instructions are used so that a computer equipment
(can be personal computer, server or the network equipment etc.) executes all or part of each embodiment method of the present invention
Step.And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory 40 (ROM, Read-Only Memory), with
Machine access memory 40 (RAM, Random Access Memory), magnetic disc or CD etc. are various can to store program code
Medium.
More than, specific implementation mode only of the invention, but scope of protection of the present invention is not limited thereto, and it is any to be familiar with
Those skilled in the art in the technical scope disclosed by the present invention, can readily occur in various equivalent modifications or substitutions,
These modifications or substitutions should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be wanted with right
Subject to the protection domain asked.
Claims (10)
1. a kind of intelligent terminal, which is characterized in that the intelligent terminal includes：Modem, processor and radio-frequency module；
The modem, the channel quality indicated value for detecting the wireless reception of signals when radio-frequency module works
The interference strength value of CQI and wireless reception of signals, and it is sent to the processor；
The processor obtains the first comparison result for the CQI to be compared with default CQI threshold values；
And be compared the interference strength value with default interference strength value, obtain the second comparison result；
According to first comparison result and second comparison result, determine that the intelligent terminal whether there is radio frequency interference.
2. intelligent terminal according to claim 1, which is characterized in that the default CQI threshold values include the first CQI threshold values and
2nd CQI threshold values, the first CQI threshold values are more than the 2nd CQI threshold values；
The processor is specifically used for：
The CQI of wireless reception of signals when the radio-frequency module works is more than or equal to the first default CQI threshold values, and described
When interference strength value when radio-frequency module works is less than default interference strength value, determining the intelligent terminal, there is no radio frequencies to do
It disturbs；
Alternatively, the CQI of wireless reception of signals when the radio-frequency module works is less than the second default CQI threshold values, and described penetrate
When interference strength value when frequency module works is more than or equal to the default interference strength value, determine that the intelligent terminal exists
Advanced radio frequency interference；
Alternatively, the CQI of the wireless reception of signals when the radio-frequency module works is less than the first CQI threshold values, it is more than or equal to
2nd CQI threshold values, and the radio-frequency module work when interference strength value be more than or equal to the default interference strength value when,
Determining the intelligent terminal, there are rudimentary radio frequency interferences.
3. intelligent terminal according to claim 2, which is characterized in that the modem is additionally operable to penetrate described in detection
The signal strength of wireless reception of signals when frequency module works indicates RSSI, and the advanced radio frequency interference includes level-one radio frequency interference
With two level radio frequency interference；
The RSSI is compared with default RSSI threshold values, when the RSSI is less than default RSSI threshold values, determines the intelligence
There are level-one radio frequency interferences for energy terminal；
Alternatively, when the RSSI is more than or equal to default RSSI threshold values, determining the intelligent terminal, there are two level radio frequencies to do
It disturbs, wherein the level-one radio frequency interference is higher than the two level radio frequency interference.
4. according to claim 1-3 any one of them intelligent terminals, which is characterized in that the processor is additionally operable to, will be current
What the CQI of the wireless reception of signals when radio-frequency module work and the pre-stored preceding primary modem detected
CQI is compared；
The CQI of wireless reception of signals when determining presently described radio-frequency module work is less than the primary modulation before being pre-stored
When the CQI that demodulator detects, location interference source.
5. requiring the intelligent terminal described in 4 according to power, which is characterized in that the processor is additionally operable to：According to the interference oriented
Default interference protection measure is taken in source.
6. a kind of radio frequency interference detection method, which is characterized in that the method is applied to a kind of intelligent terminal, the intelligent terminal
Including：Modem, processor and radio-frequency module, the method includes：
Detect the channel quality indicated value CQI and wireless reception of signals of wireless reception of signals when radio-frequency module work
Interference strength value；
The CQI is compared with default CQI threshold values, obtains the first comparison result；
And be compared the interference strength value with default interference strength value, obtain the second comparison result；
According to first comparison result and second comparison result, determine that the intelligent terminal whether there is radio frequency interference.
7. according to the method described in claim 6, it is characterized in that, the default CQI threshold values include the first CQI threshold values and second
CQI threshold values, the first CQI threshold values are more than the 2nd CQI threshold values；It is described according to first comparison result and described second
Comparison result determines that the intelligent terminal whether there is radio frequency interference, specifically includes：
The CQI of wireless reception of signals when the radio-frequency module works is more than or equal to the first default CQI threshold values, and described
When interference strength value when radio-frequency module works is less than default interference strength value, determining the intelligent terminal, there is no radio frequencies to do
It disturbs；
Alternatively, the CQI of wireless reception of signals when the radio-frequency module works is less than the second default CQI threshold values, and described penetrate
When interference strength value when frequency module works is more than or equal to the default interference strength value, determine that the intelligent terminal exists
Advanced radio frequency interference；
Alternatively, the CQI of the wireless reception of signals when the radio-frequency module works is less than the first CQI threshold values, it is more than or equal to
2nd CQI threshold values, and the radio-frequency module work when interference strength value be more than or equal to the default interference strength value when,
Determining the intelligent terminal, there are rudimentary radio frequency interferences.
8. the method according to the description of claim 7 is characterized in that the method further includes：Detect the radio-frequency module work
When wireless reception of signals signal strength indicate RSSI, the advanced radio frequency interference includes level-one radio frequency interference and two level radio frequency
Interference；
The RSSI is compared with default RSSI threshold values, when the RSSI is less than default RSSI threshold values, determines the intelligence
There are level-one radio frequency interferences for energy terminal；
Alternatively, when the RSSI is more than or equal to default RSSI threshold values, determining the intelligent terminal, there are two level radio frequencies to do
It disturbs, wherein the level-one radio frequency interference is higher than the two level radio frequency interference.
9. according to claim 6-8 any one of them methods, which is characterized in that described according to first comparison result and institute
The second comparison result is stated, determines the intelligent terminal with the presence or absence of after radio frequency interference, the method further includes：
The CQI of wireless reception of signals when presently described radio-frequency module is worked and it is pre-stored before the primary modem
The CQI detected is compared；
The CQI of wireless reception of signals when determining presently described radio-frequency module work is less than the primary modulation before being pre-stored
When the CQI that demodulator detects, location interference source；
According to the interference source oriented, default interference protection measure is taken.
10. a kind of computer readable storage medium, is stored thereon with computer program instructions, which is characterized in that the program instruction
Claim 6-9 any one of them method and steps are realized when being executed by intelligent terminal.
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