CN116155416B - Signal interference prevention test system of mobile terminal equipment - Google Patents
Signal interference prevention test system of mobile terminal equipment Download PDFInfo
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- CN116155416B CN116155416B CN202310020936.XA CN202310020936A CN116155416B CN 116155416 B CN116155416 B CN 116155416B CN 202310020936 A CN202310020936 A CN 202310020936A CN 116155416 B CN116155416 B CN 116155416B
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- 238000012360 testing method Methods 0.000 title claims abstract description 82
- 230000002265 prevention Effects 0.000 title claims description 7
- 238000001228 spectrum Methods 0.000 claims description 41
- 230000005540 biological transmission Effects 0.000 claims description 17
- 238000010586 diagram Methods 0.000 claims description 14
- 238000012790 confirmation Methods 0.000 claims description 13
- 238000012545 processing Methods 0.000 claims description 13
- 238000010183 spectrum analysis Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 claims description 8
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The application discloses an anti-signal interference test system of mobile terminal equipment, which relates to the technical field of equipment signal anti-interference test and solves the technical problems that the maximum interference value which can be born by corresponding equipment cannot be judged according to the signal fluctuation condition, the original judging mode is inaccurate and the accuracy is lower.
Description
Technical Field
The application belongs to the technical field of equipment signal anti-interference test, and particularly relates to an anti-signal interference test system of mobile terminal equipment.
Background
Mobile terminals or mobile communication terminals refer to computer devices that can be used in mobile applications, including mobile phones, notebooks, tablet computers, POS devices, and even vehicle-mounted computers, but in most cases mobile phones or smart phones and tablet computers with various application functions.
In the using process of the mobile terminal equipment, the anti-signal interference test is required to be carried out in advance, in the specific test process, a group of corresponding signal interference values are set, and the signal transmission condition of the corresponding mobile terminal equipment in the signal interference value interference state is checked, so that whether the corresponding test equipment accords with the specification is judged.
Disclosure of Invention
The present application aims to solve at least one of the technical problems existing in the prior art; therefore, the application provides a signal interference prevention test system of mobile terminal equipment, which is used for solving the technical problems that the maximum interference value which can be born by corresponding equipment cannot be judged according to the signal fluctuation condition, the original judgment mode is inaccurate and the accuracy is lower.
To achieve the above objective, an embodiment according to a first aspect of the present application provides an anti-signal interference test system for a mobile terminal device, including a signal interference terminal, a device signal acquisition terminal, a test center, and a display terminal;
the test center comprises a signal spectrum generating unit, a transmission signal analyzing unit, a signal spectrum analyzing unit, a threshold unit, an interference value confirming unit and a test signal generating unit;
the signal interference terminal is external interference equipment, generates an interference signal and performs signal interference test on the mobile terminal equipment;
the equipment signal acquisition end is used for acquiring signals transmitted by the mobile terminal equipment and transmitting the acquired signals into the test center;
the transmission signal analysis unit is used for analyzing the signal integrity of the transmission of the mobile terminal and checking whether the mobile terminal equipment can normally transmit signals;
the signal spectrum generating unit in the test center generates a corresponding signal spectrum according to the signal transmitted by the mobile terminal equipment, ensures that the mobile terminal equipment is in a state without signal interference in the generating process, and records the generated signal spectrum;
the signal spectrum analysis unit is used for analyzing the signal fluctuation spectrum of the mobile terminal equipment in the interference state of the signal interference end, acquiring a fluctuation parameter value of a corresponding point position according to the original signal spectrum, confirming a corresponding fluctuation interval according to the maximum value and the minimum value in the fluctuation parameter value, confirming the optimal interference value according to the confirmed fluctuation interval, and transmitting the confirmed optimal interference value into the interference value confirmation unit;
the interference value confirming unit compares the maximum signal interference value born by the corresponding mobile terminal equipment with the comparison parameter, judges whether the corresponding mobile terminal equipment is qualified in test according to the comparison result, transmits the test result into the test signal generating unit, and the test signal generating unit generates different test signals according to the test result.
Preferably, the specific way of the transmission signal analysis unit for analyzing the signal integrity is as follows:
confirming a signal waveform diagram before transmission in advance, and confirming a signal waveform diagram after the subsequent transmission is completed after confirmation is completed;
comparing the signal waveform diagrams of the front group and the rear group, checking whether the signal waveform diagrams have a missing condition, if the signal has a missing condition, representing that the mobile terminal equipment is unqualified, generating an unqualified signal through a test signal generating unit, transmitting the unqualified signal into a display end, and if the signal does not have a missing condition, performing signal spectrum analysis processing on the equipment through a signal spectrum analysis unit.
Preferably, the signal spectrum analysis unit analyzes the signal fluctuation spectrum in the following specific ways:
s1, extracting recorded signal spectrum, recording point position fluctuation parameters of the signal spectrum according to signal interference values generated by a signal interference end, and extracting a maximum value BD from a plurality of groups of point position fluctuation parameters i max and minimum BD i min, wherein i represents different mobile terminal devices;
s2, according to the maximum value BD of the fluctuation parameter i max and minimum value BD of fluctuation parameter i min confirm fluctuation interval [ BD ] i min，BD i max]Extracting a preset interval (X1, X2) from the threshold unit, wherein X1 and X2 in the preset interval (X1, X2) are preset values;
s3, checking the fluctuation interval [ BD ] i min，BD i max]If the wave interval belongs to a preset interval (X1, X2), performing next processing, if the wave interval does not belong to the preset interval, reducing the signal interference value, repeatedly executing the steps S1-S3 until the wave interval belongs to the preset interval, stopping, and performing next processing;
s4, comparing the point fluctuation parameter in the signal spectrum with a preset parameter Y1, wherein the preset parameter Y1 is a preset value,marking different point location fluctuation parameters as BD i When the fluctuation parameter BD i When the number is less than Y1, no processing is performed, otherwise, a fluctuation super-alert signal is generated, a group of monitoring time periods T are determined, and the number of times CS of existence of the fluctuation super-alert signal in the monitoring time periods T is obtained i Duration of presence SS i Duration SS i In seconds, usingObtaining check value HD of different mobile terminal devices i ；
S5, checking the value HD i Comparing with the preset parameter Y2, wherein the preset parameter Y2 is a preset value, and when HD is detected i When the value is more than Y2, the signal interference value is reduced, and the steps S4-S5 are repeated until the HD i Stopping at a temperature of less than or equal to Y2 to obtain a final confirmed signal interference value, and marking the signal interference value as GR i ；
S6, the signal interference value GR i To the interference value confirmation unit.
Preferably, the interference value confirmation unit confirms the maximum signal interference value GR i The specific mode for comparing with the comparison parameter YS is as follows:
when the signal interference value GR i When the YS is less than the YS, the mobile terminal equipment is tested to be unqualified, a test signal generation unit is used for generating a test unqualified signal, and the generated test unqualified signal and a corresponding mobile terminal equipment number i are transmitted to an external display end;
when the signal interference value GR i And when the test result is not less than YS, the test result is represented to be qualified, a test qualified signal is generated through the test signal generating unit, and the generated test qualified signal and the corresponding mobile terminal equipment number i are transmitted to an external display end, wherein the comparison parameter YS is a preset value.
Preferably, the display end displays the test signal generated by the mobile terminal device corresponding to the test for external personnel to check.
Compared with the prior art, the application has the beneficial effects that: according to the original signal spectrum, obtaining a fluctuation parameter value of a corresponding point position, confirming a corresponding fluctuation interval according to the maximum value and the minimum value in the fluctuation parameter value, confirming an optimal interference value according to the confirmed fluctuation interval, transmitting the confirmed optimal interference value into an interference value confirming unit, comparing the maximum signal interference value born by corresponding mobile terminal equipment with a comparison parameter, judging whether the corresponding mobile terminal equipment is qualified according to the comparison result, transmitting the test result into a test signal generating unit, judging the maximum interference value born by the test equipment more accurately by adopting the test mode, monitoring the fluctuation spectrum in a signal interference state according to the confirmed fluctuation interval, monitoring the frequency of existence of a fluctuation over-alarm signal in time, fully knowing the fluctuation condition of the equipment in the signal interference state, and improving the accuracy of the judgment of the signal interference value.
Drawings
Fig. 1 is a schematic diagram of a principle frame of the present application.
Detailed Description
The technical solutions of the present application will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Referring to fig. 1, the application provides a system for testing signal interference prevention of mobile terminal equipment, which comprises a signal interference end, an equipment signal acquisition end, a test center and a display end;
the test center comprises a signal spectrum generating unit, a transmission signal analyzing unit, a signal spectrum analyzing unit, a threshold unit, an interference value confirming unit and a test signal generating unit;
the signal spectrum generating unit is electrically connected with the input end of the signal spectrum analyzing unit, the signal spectrum analyzing unit is electrically connected with the input end of the interference value confirming unit, the signal spectrum analyzing unit is in bidirectional connection with the threshold unit, the transmission signal analyzing unit is electrically connected with the input end of the test signal generating unit, and the interference value confirming unit is electrically connected with the input end of the test signal generating unit;
the signal interference terminal is external interference equipment, generates an interference signal and performs signal interference test on the mobile terminal equipment;
the equipment signal acquisition end is used for acquiring signals transmitted by the mobile terminal equipment and transmitting the acquired signals into the test center;
the transmission signal analysis unit is used for analyzing the signal integrity of the transmission of the mobile terminal and checking whether the mobile terminal equipment can normally perform signal transmission, wherein the specific mode of the analysis is as follows:
confirming a signal waveform diagram before transmission in advance, and confirming a signal waveform diagram after the subsequent transmission is completed after confirmation is completed;
comparing the signal waveform diagrams of the front group and the rear group, checking whether the signal waveform diagrams have a missing condition, if the signal has a missing condition, representing that the mobile terminal equipment is unqualified, generating an unqualified signal through a test signal generating unit, transmitting the unqualified signal into a display end, and if the signal does not have a missing condition, performing signal spectrum analysis processing on the equipment through a signal spectrum analysis unit.
The signal spectrum generating unit in the test center generates a corresponding signal spectrum according to the signal transmitted by the mobile terminal equipment, ensures that the mobile terminal equipment is in a state without signal interference in the generating process, and records the generated signal spectrum;
the signal spectrum analysis unit is used for analyzing a signal fluctuation spectrum of the mobile terminal equipment in a signal interference state, acquiring a fluctuation parameter value of a corresponding point position according to an original signal spectrum, confirming a corresponding fluctuation interval according to a maximum value and a minimum value in the fluctuation parameter value, confirming an optimal interference value according to the confirmed fluctuation interval, and transmitting the confirmed optimal interference value into the interference value confirmation unit, wherein the specific mode of analyzing is as follows:
s1, extracting recorded signal spectrum, recording point position fluctuation parameters of the signal spectrum according to signal interference values generated by a signal interference end, and extracting a maximum value BD from a plurality of groups of point position fluctuation parameters i max and minimum BD i min, wherein i represents different mobile terminal devices;
s2, according to the maximum value BD of the fluctuation parameter i max and minimum value BD of fluctuation parameter i min confirm fluctuation interval [ BD ] i min，BD i max]Extracting a preset interval (X1, X2) from the threshold unit, wherein X1 and X2 in the preset interval (X1, X2) are preset values, and the specific values are determined by an operator according to experience;
s3, checking the fluctuation interval [ BD ] i min，BD i max]If the wave interval belongs to a preset interval (X1, X2), performing next processing, if the wave interval does not belong to the preset interval, reducing the signal interference value, repeatedly executing the steps S1-S3 until the wave interval belongs to the preset interval, stopping, and performing next processing;
s4, comparing the point position fluctuation parameters in the signal spectrum with preset parameters Y1, wherein the preset parameters Y1 are preset values, the specific values are drawn by operators according to experience, and different point position fluctuation parameters are marked as BD i When the fluctuation parameter BD i When the value is less than Y1, no processing is carried out, otherwise, a fluctuation super-alarm signal is generated, a group of monitoring time period T is determined, wherein the T is generally valued for 3min, and the number of times CS of existence of the fluctuation super-alarm signal in the monitoring time period T is obtained i Duration of presence SS i Duration SS i In seconds, usingObtaining check value HD of different mobile terminal devices i ；
S5, checking the value HD i Comparing with the preset parameter Y2, wherein the preset parameter Y2 is a preset value, the specific value of the preset parameter Y2 is determined by an operator according to experience, and when the HD is obtained i At the time of > Y2, the reaction mixture,reducing the signal interference value, repeating the steps S4-S5 until the HD i Stopping at a temperature of less than or equal to Y2 to obtain a final confirmed signal interference value, and marking the signal interference value as GR i ；
S6, the signal interference value GR i To the interference value confirmation unit.
The threshold unit is internally provided with preset parameters Y1 and Y2 and preset intervals (X1 and X2), and the specific values of all the parameters are drawn by an operator according to personal experience.
The interference value confirmation unit is used for confirming the maximum signal interference value GR which can be born by the corresponding mobile terminal equipment i Comparing with the comparison parameter YS, wherein the comparison parameter YS is a preset value, the specific value of the comparison parameter YS is drawn by an operator according to experience, whether the corresponding mobile terminal equipment is tested to be qualified is judged according to the comparison result, the test result is transmitted into a test signal generating unit, and the test signal generating unit generates different test signals according to the test result, wherein the specific mode for comparing is as follows:
when the signal interference value GR i When the YS is less than the YS, the mobile terminal equipment is tested to be unqualified, a test signal generation unit is used for generating a test unqualified signal, and the generated test unqualified signal and a corresponding mobile terminal equipment number i are transmitted to an external display end;
when the signal interference value GR i And when the test signal is not less than YS, the test signal is generated by the test signal generating unit, and the generated test signal and the corresponding mobile terminal equipment number i are transmitted to the external display end.
The display end displays the test signals generated by the corresponding tested mobile terminal equipment for an external person to check, and the external person timely knows and knows whether the corresponding equipment signal anti-interference test is qualified or not according to the displayed test signals.
The partial data in the formula are all obtained by removing dimension and taking the numerical value for calculation, and the formula is a formula closest to the real situation obtained by simulating a large amount of collected data through software; the preset parameters and the preset threshold values in the formula are set by those skilled in the art according to actual conditions or are obtained through mass data simulation.
The working principle of the application is as follows: pre-transmitting signals to the mobile terminal equipment in advance, analyzing signal waveform diagrams before and after transmitting signals, checking whether the corresponding transmitting signals have missing conditions, primarily judging whether the mobile terminal equipment is qualified according to specific conditions, and performing next processing on the mobile terminal equipment with the test meeting the specification;
analyzing the signal fluctuation spectrum of the mobile terminal equipment in a normal state, acquiring a fluctuation parameter value of a corresponding point position according to the original signal spectrum, confirming a corresponding fluctuation interval according to the maximum value and the minimum value in the fluctuation parameter value, confirming the optimal interference value according to the confirmed fluctuation interval, transmitting the confirmed optimal interference value into an interference value confirmation unit, and the interference value confirmation unit further confirms the maximum signal interference value GR born by the corresponding mobile terminal equipment i The comparison parameter YS is a preset value, the specific value of the comparison parameter YS is determined by an operator according to experience, whether the corresponding mobile terminal equipment is tested to be qualified or not is judged according to the comparison result, the test result is transmitted into the test signal generating unit, the maximum interference value which can be born by the test equipment is judged more accurately by adopting the test mode, the fluctuation frequency spectrum in the signal interference state is monitored according to the determined fluctuation interval, the time of existence of the fluctuation super-alarm signal is monitored, the fluctuation condition of the equipment in the signal interference state is fully known, and meanwhile, the accuracy of judging the signal interference value can be improved.
The above embodiments are only for illustrating the technical method of the present application and not for limiting the same, and it should be understood by those skilled in the art that the technical method of the present application may be modified or substituted without departing from the spirit and scope of the technical method of the present application.
Claims (4)
1. The signal interference prevention test system of the mobile terminal equipment is characterized by comprising a signal interference end, an equipment signal acquisition end, a test center and a display end;
the test center comprises a signal spectrum generating unit, a transmission signal analyzing unit, a signal spectrum analyzing unit, a threshold unit, an interference value confirming unit and a test signal generating unit;
the signal interference terminal is external interference equipment, generates an interference signal and performs signal interference test on the mobile terminal equipment;
the equipment signal acquisition end is used for acquiring signals transmitted by the mobile terminal equipment and transmitting the acquired signals into the test center;
the transmission signal analysis unit analyzes the signal integrity of the transmission of the mobile terminal equipment and checks whether the mobile terminal equipment can normally perform signal transmission or not, and the specific mode is as follows:
confirming a signal waveform diagram before transmission in advance, and confirming a signal waveform diagram after the subsequent transmission is completed after confirmation is completed;
comparing the signal waveform diagrams of the front group and the rear group, checking whether the signal waveform diagrams have a missing condition, if the signal has a missing condition, representing that the mobile terminal equipment is unqualified, generating an unqualified signal through a test signal generating unit, transmitting the unqualified signal into a display end, and if the signal does not have a missing condition, performing signal spectrum analysis processing on the mobile terminal equipment through a signal spectrum analysis unit;
the signal spectrum generating unit in the test center generates a corresponding signal spectrum according to the signal transmitted by the mobile terminal equipment, ensures that the mobile terminal equipment is in a state without signal interference in the generating process, and records the generated signal spectrum;
the signal spectrum analysis unit is used for analyzing the signal fluctuation spectrum of the mobile terminal equipment in the interference state of the signal interference end, acquiring a fluctuation parameter value of a corresponding point position according to the signal spectrum generated by the mobile terminal equipment in the state without signal interference, confirming a corresponding fluctuation interval according to the maximum value and the minimum value in the fluctuation parameter value, confirming the optimal interference value according to the confirmed fluctuation interval, and transmitting the confirmed optimal interference value into the interference value confirmation unit;
the interference value confirming unit compares the optimal interference value born by the corresponding mobile terminal equipment with the comparison parameter, judges whether the corresponding mobile terminal equipment is qualified in test according to the comparison result, transmits the test result to the test signal generating unit, and the test signal generating unit generates different test signals according to the test result.
2. The system for testing signal interference prevention of mobile terminal equipment according to claim 1, wherein the signal spectrum analysis unit analyzes the signal fluctuation spectrum in the following specific manner:
s1, extracting recorded signal spectrum, recording point position fluctuation parameter values of the signal spectrum according to signal interference values generated by a signal interference end, and extracting maximum value BD from a plurality of groups of point position fluctuation parameter values i max and minimum BD i min, wherein i represents different mobile terminal devices;
s2, according to the maximum value BD of the fluctuation parameter value i max and minimum value BD of fluctuation parameter i min confirm fluctuation interval [ BD ] i min，BD i max]Extracting a preset interval (X1, X2) from the threshold unit, wherein X1 and X2 in the preset interval (X1, X2) are preset values;
s3, checking the fluctuation interval [ BD ] i min，BD i max]If the wave interval belongs to a preset interval (X1, X2), performing next processing, if the wave interval does not belong to the preset interval, reducing the signal interference value, repeatedly executing the steps S1-S3 until the wave interval belongs to the preset interval, stopping, and performing next processing;
s4, comparing the point fluctuation parameter value in the signal spectrum with a preset parameter Y1, wherein the preset parameter Y1 is a preset value, and marking different point fluctuation parameter values as BD i When the fluctuation parameter BD i When the number is less than Y1, no processing is performed, otherwise, a fluctuation super-alert signal is generated, a group of monitoring time periods T are determined, and the number of times CS of existence of the fluctuation super-alert signal in the monitoring time periods T is obtained i Duration of presence SS i Duration SS i In seconds, usingObtaining check value HD of different mobile terminal devices i ；
S5, checking the value HD i Comparing with the preset parameter Y2, wherein the preset parameter Y2 is a preset value, and when HD is detected i When the value is more than Y2, the signal interference value is reduced, and the steps S4-S5 are repeated until the HD i Stopping at less than or equal to Y2, obtaining the final confirmed optimal interference value, and marking the optimal interference value as GR i ；
S6, the optimal interference value GR i To the interference value confirmation unit.
3. The system according to claim 2, wherein the interference value confirming unit confirms the optimal interference value GR i The specific mode for comparing with the comparison parameter YS is as follows:
when the optimal interference value GR i When the YS is less than the YS, the mobile terminal equipment is tested to be unqualified, a test signal generation unit is used for generating a test unqualified signal, and the generated test unqualified signal and a corresponding mobile terminal equipment number i are transmitted to an external display end;
when the optimal interference value GR i And when the test result is not less than YS, the test result is represented to be qualified, a test qualified signal is generated through the test signal generating unit, and the generated test qualified signal and the corresponding mobile terminal equipment number i are transmitted to an external display end, wherein the comparison parameter YS is a preset value.
4. The system for testing signal interference prevention of mobile terminal equipment according to claim 3, wherein the display end displays the test signal generated by the mobile terminal equipment corresponding to the test for external personnel to check.
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