CN106888060B - Anti-interference test method and system for wireless communication module - Google Patents
Anti-interference test method and system for wireless communication module Download PDFInfo
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- CN106888060B CN106888060B CN201710018846.1A CN201710018846A CN106888060B CN 106888060 B CN106888060 B CN 106888060B CN 201710018846 A CN201710018846 A CN 201710018846A CN 106888060 B CN106888060 B CN 106888060B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/15—Performance testing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/0082—Monitoring; Testing using service channels; using auxiliary channels
- H04B17/0085—Monitoring; Testing using service channels; using auxiliary channels using test signal generators
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/29—Performance testing
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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
- H04B17/318—Received signal strength
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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
- H04B17/336—Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]
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Abstract
The invention discloses an anti-interference test method and system for a wireless communication module. The anti-interference test system comprises test equipment and interference source generation equipment, wherein the test equipment and the interference source generation equipment are respectively in communication connection with the communication module to be tested; the method comprises the steps that the test equipment starts an interference-free test when receiving a first test script, obtains a first packet loss rate of a communication module to be tested under each test signal intensity, when the first packet loss rate is within a first preset range, the test equipment sends a second test script to the interference source generating equipment, an interference test is started, a first control unit obtains a second packet loss rate of the communication module to be tested under each interference signal intensity, and when the second packet loss rate is within a second preset range, a second control unit generates a test result according to the current interference signal intensity. The invention realizes the automatic anti-interference test of the communication module, greatly reduces the working intensity of testers, can realize batch test and greatly improves the efficiency.
Description
Technical Field
The invention relates to an anti-interference test method and system for a wireless communication module.
Background
The anti-interference capability of the communication module directly affects the performance of the communication equipment, so the anti-interference capability of the communication module needs to be tested before the communication module is put into use. The prior art adopts a manual testing mode, which is very tedious, so that the working strength of testers is very high, and the efficiency is also very low. In addition, in the prior art, the two critical values need to be obtained through manual adjustment of the test instrument and the interference signal generation device, and the critical values obtained through manual adjustment are often inaccurate, so that the test result is influenced.
Disclosure of Invention
The invention aims to overcome the defects of complex method, low efficiency and low accuracy of a method for manually testing the anti-interference capability of a communication module in the prior art, and provides an anti-interference testing method and system of a wireless communication module.
The invention solves the technical problems through the following technical scheme:
the anti-interference test system of the communication module is characterized by comprising test equipment and interference source generation equipment, wherein the test equipment and the interference source generation equipment are respectively in communication connection with the communication module to be tested;
the test equipment receives a first test script, wherein the first test script comprises a plurality of test signal strengths; the test equipment comprises a first control unit and a first sending unit;
the first control unit sequentially sets the current test signal intensity according to the received first test script; the first sending unit sends test information to the communication module to be tested under the current test signal intensity; the first control unit acquires a first packet loss rate of the communication module to be tested for receiving the test information under the current test signal intensity; when the first packet loss rate is within a first preset range, the first control unit sends a second test script to the interference source generation equipment;
the interference source generating device receives a second test script, wherein the second test script comprises a plurality of interference signal strengths; the interference source generating device comprises a second control unit and a second sending unit;
the second control unit sequentially sets the current interference signal intensity according to the received second test script; the second sending unit sends an interference signal to the communication module to be tested under the current interference signal intensity, and the first sending unit sends test information to the communication module to be tested under the modified test signal intensity; the first control unit acquires a second packet loss rate of the communication module to be tested for receiving the test information under the current interference signal intensity; when the second packet loss rate is within a second preset range, the second control unit judges whether the current interference signal strength is within a standard range, and generates a test result;
the modified test signal strength is the signal strength after the current test signal strength is added with a preset signal strength.
Preferably, the plurality of test signal strengths are sequentially ordered from high to low, and the difference between two adjacent test signal strengths is equal.
Preferably, the interference signal strengths are sequentially sorted from high to low, and the difference between two adjacent interference signal strengths is equal.
Preferably, the anti-interference test system further comprises a storage unit for storing the test result.
Preferably, the tamper resistant test system is further configured to mark data in the test result.
Preferably, the anti-interference test system further includes a computer or a mobile terminal, and the computer or the mobile terminal sends the first test script to the test equipment.
The present invention also provides an anti-interference test method for a communication module, characterized in that the anti-interference test method is implemented using the anti-interference test system according to claim 1, the anti-interference test method comprising the steps of:
S1the test equipment receives a first test script, wherein the first test script comprises a plurality of test signal strengths;
S2the first control unit sequentially sets the current test signal intensity according to the received first test script; the first sending unit sends test information to the communication module to be tested under the current test signal intensity;
S3the first control unit acquires a first packet loss rate of the communication module to be tested for receiving the test information under the current test signal intensity, and judges whether the first packet loss rate is within a first preset range; if yes, executing step S4If not, executing step S2；
S4The first control unit sends a second test script to the interference source generating equipment;
S5the interference source generating device receives a second test script, wherein the second test script comprises a plurality of interference signal strengths;
S6the second control unit sequentially tests the scripts according to the received second test scriptsSetting the current interference signal intensity; the second sending unit sends an interference signal to the communication module to be tested under the current interference signal intensity, and the first sending unit sends test information to the communication module to be tested under the modified test signal intensity;
S7the first control unit acquires a second packet loss rate of the communication module to be tested for receiving the test information under the current interference signal intensity, and judges whether the second packet loss rate is within a second preset range; if yes, executing step S8If not, executing step S6；
S8The second control unit judges whether the current interference signal intensity is in a standard range or not and generates a test result;
the modified test signal strength is the signal strength after the current test signal strength is added with a preset signal strength.
Preferably, the plurality of test signal strengths are sequentially ordered from high to low, and the difference between two adjacent test signal strengths is equal.
Preferably, the interference signal strengths are sequentially sorted from high to low, and the difference between two adjacent interference signal strengths is equal.
Preferably, the anti-interference test system further comprises a storage unit;
in step S8Then, the anti-interference test method further comprises the following steps:
and storing the test result in the storage unit.
Preferably, the step of storing the test result in the storage unit further comprises:
and marking the data in the test result.
Preferably, the anti-interference test system further comprises a computer or a mobile terminal;
in step S1Previously, the tamper resistance testing system further comprises:
and the computer or the mobile terminal sends the first test script to the test equipment.
The positive progress effects of the invention are as follows: the invention realizes the automatic anti-interference test of the communication module, greatly reduces the working intensity of testers, can realize batch test and greatly improves the efficiency. In addition, the test instrument and the interference signal generating equipment do not need to be manually adjusted to obtain two critical values, and the accuracy is greatly improved.
Drawings
Fig. 1 is a block diagram of an anti-interference testing system for a wireless communication module according to a preferred embodiment of the present invention.
Fig. 2 is a flowchart illustrating an anti-interference testing method for a wireless communication module according to a preferred embodiment of the invention.
Detailed Description
The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.
Example 1
As shown in fig. 1, the anti-interference test system of the communication module of the present embodiment includes a computer 1, a test device 2, and an interference source generating device 3. The test equipment 2 and the interference source generating equipment 3 are respectively in communication connection with the communication module 4 to be tested, and the test equipment 2 is also in communication connection with a computer. The test device 2 comprises a first control unit 21 and a first transmission unit 22, and the interference source generating device 3 comprises a second control unit 31 and a second transmission unit 32.
The computer sends a first test script to the test equipment, wherein the first test script comprises a plurality of test signal strengths. Of course, the first test script may also be sent through the mobile terminal, and at this time, the mobile terminal needs to establish a communication connection with the test device. And when the test equipment receives the first test script, starting testing, and under the non-interference signal environment, testing the packet loss rate of the communication module to be tested for receiving the test information under each test signal intensity to obtain the critical value of the signal intensity of the received information of the communication module to be tested. The specific test procedure is described below:
the first control unit sets the current test signal intensity in sequence according to the received first test script. In order to improve the efficiency and accuracy of the test, the test signal strengths in the first test script are sequentially sorted from high to low, and the difference between two adjacent test signal strengths is equal, and the difference can be set by itself, of course, the smaller the difference, the higher the accuracy. Therefore, the first control unit sets the current test signal strength in sequence from high to low, that is, the test signal strength of the last test is higher than the current test signal strength of the current test, and the test signal strength of the next test is lower than the current test signal strength of the current test. The first control unit obtains a first packet loss rate of the communication module to be tested for receiving the test information under the current test signal strength, and judges whether the first packet loss rate is within a first preset range (generally about 90%). If not, the next test signal intensity is taken as the current interference signal intensity, and the test is carried out again. If so, the current test signal strength is used as a critical value of the communication module to be tested under the condition of no interference, at the moment, the first control unit sends a second test script to the interference source generating equipment, and the interference source generating equipment starts to test the packet loss rate of the communication module to be tested under each interference signal strength and receives the test information with the same test signal strength when receiving the second test script, so as to obtain the anti-interference capability of the communication module to be tested. The specific test procedure is described below:
and the second control unit sequentially sets the current interference signal intensity according to the received second test script. Similarly, the second test script comprises a plurality of interference signal strengths, in order to improve the efficiency and accuracy of the test, the interference signal strengths in the second test script are sequentially sorted from high to low, and the difference between two adjacent interference signal strengths is equal, and the difference can be set by itself, although the smaller the difference is, the higher the accuracy is. The second sending unit sends the interference signal to the communication module to be tested under the current interference signal intensity. Since the capability of the communication module to be tested to receive the test information is reduced in the environment with signal interference, the obtained critical value (current test signal strength) is generally modified, and a preset signal strength (generally 3dB) is added to the current test signal strength to serve as the modified test signal strength. The first sending unit sends the test information to the communication module to be tested under the modified test signal intensity, and the first control unit obtains a second packet loss rate of the communication module to be tested for receiving the test information under the current interference signal intensity and judges whether the second packet loss rate is within a second preset range. If not, the next interference signal strength is taken as the current interference signal strength (the test signal strength is also the modified test signal strength), and the test is performed again until the second packet loss rate is within a second preset range. If the second packet loss rate is judged to be within a second preset range, the test is stopped, the current interference signal strength is used as a critical value of the anti-interference capability of the communication module to be tested, the second control unit judges whether the current interference signal strength is within a standard range, if yes, the anti-interference capability of the communication module meets the requirement, if not, the anti-interference capability of the communication module does not meet the requirement, and the second control unit generates a test result according to the judgment result.
Therefore, the anti-interference test system of the embodiment realizes automatic test of the anti-interference capability of the communication module, the test signal strength or the interference signal strength of the test equipment or the interference source generation equipment does not need to be manually adjusted by a tester, the working strength of the tester is greatly reduced, the anti-interference test system of the embodiment can realize batch test, and the efficiency is greatly improved. In addition, the two devices can accurately adjust the strength of the test signal or the strength of the interference signal according to the strength of each signal written in the test script, and the accuracy is greatly improved.
In order to ensure the historical traceability of the test result, the anti-interference test system of the embodiment further includes a storage unit, and the test system can store the test result in the storage unit (which can be implemented by a database). Because a large amount of cyclic verification exists in the whole testing process, a large amount of data can be generated, so that the testing result also comprises the data generated in the testing process, the data can be stored, the testing system can process the data in the execution process, particularly, the places which do not meet the requirements of the test can be marked in detail, and the problem point positioning is realized, so that the problem can be analyzed quickly after the testing is finished. The processing basis is preset according to design parameters of different products, and the setting is called in the processing process to judge (the first test script can be written in, and the processing can also be realized by other modes). Therefore, the test system of the embodiment also realizes data processing, the data volume is very large, the test system avoids the condition that the workload of manually processing data is greatly increased due to the fact that only recording and no processing are carried out, and the test efficiency is further improved.
Example 2
The anti-interference test method of this embodiment is implemented by using the anti-interference test system in embodiment 1, and as shown in fig. 2, the anti-interference test method includes the following steps.
102, the first control unit sequentially sets the current test signal intensity according to the received first test script; the first sending unit sends test information to the communication module to be tested under the current test signal intensity; the first control unit obtains a first packet loss rate of the communication module to be tested for receiving the test information under the current test signal strength.
104, the first control unit sends a second test script to the interference source generating equipment; the interference source generating device receives a second test script, the second test script including a plurality of interference signal strengths.
105, the second control unit sequentially sets the current interference signal intensity according to the received second test script; the second sending unit sends the interference signal to the communication module to be tested under the current interference signal intensity, and the first sending unit sends the test information to the communication module to be tested under the modified test signal intensity; the first control unit obtains a second packet loss rate of the communication module to be tested for receiving the test information under the current interference signal strength.
Wherein the modified test signal strength is the signal strength obtained by adding the preset signal strength to the current test signal strength.
And step 106, judging whether the second packet loss rate is within a second preset range. If yes, go to step 107, otherwise go to repeat step 105.
And step 107, the second control unit judges whether the current interference signal intensity is in the standard range, and generates a test result.
And step 108, storing the test result in a storage unit.
The anti-interference test method of the embodiment realizes automatic test of the anti-interference capability of the communication module, the two devices can accurately adjust the test signal strength or the interference signal strength according to the signal strength written in the test script, the accuracy is greatly improved, the test signal strength or the interference signal strength of the test device or the interference source generating device does not need to be manually adjusted by a tester, and the working strength of the tester is greatly reduced. The anti-interference test method of the embodiment can also realize batch test, and the efficiency is greatly improved. In addition, because a large amount of cyclic verification exists in the whole testing process, a large amount of data can be generated, the testing result also comprises the data generated in the testing process, and the data can be stored and processed in the execution process, particularly, the places which do not meet the requirements of the test can be marked in detail, and the problem point positioning is realized, so that the problem can be analyzed quickly after the testing is finished. The processing basis is preset according to design parameters of different products, and the setting is called in the processing process to judge (the first test script can be written in, and the processing can also be realized by other modes). Therefore, the test method of the embodiment also realizes data processing, and the data volume is very large, so that the test method avoids the situation that the workload of manually processing data is greatly increased due to the fact that only the data is recorded and not processed, and further improves the test efficiency.
In this embodiment, the test signal intensities are sequentially sorted from high to low, and the difference between two adjacent test signal intensities is equal. The interference signal strengths are sequentially sorted from high to low, and the difference between the two adjacent interference signal strengths is equal.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (10)
1. The anti-interference test system of the communication module is characterized by comprising test equipment and interference source generation equipment, wherein the test equipment and the interference source generation equipment are respectively in communication connection with the communication module to be tested;
the test equipment receives a first test script, wherein the first test script comprises a plurality of test signal strengths; the test equipment comprises a first control unit and a first sending unit;
the first control unit sequentially sets the current test signal intensity according to the received first test script; the first sending unit sends test information to the communication module to be tested under the current test signal intensity; the first control unit acquires a first packet loss rate of the communication module to be tested for receiving the test information under the current test signal intensity; when the first packet loss rate is within a first preset range, the first control unit sends a second test script to the interference source generation equipment;
the interference source generating device receives a second test script, wherein the second test script comprises a plurality of interference signal strengths; the interference source generating device comprises a second control unit and a second sending unit;
the second control unit sequentially sets the current interference signal intensity according to the received second test script; the second sending unit sends an interference signal to the communication module to be tested under the current interference signal intensity, and the first sending unit sends test information to the communication module to be tested under the modified test signal intensity; the first control unit acquires a second packet loss rate of the communication module to be tested for receiving the test information under the current interference signal intensity; when the second packet loss rate is within a second preset range, the second control unit judges whether the current interference signal strength is within a standard range, and generates a test result;
the modified test signal strength is the signal strength obtained by adding a preset signal strength to the current test signal strength;
the test signal intensities are sequentially sequenced from high to low, and the difference between two adjacent test signal intensities is equal.
2. The tamper-resistant test system of claim 1, wherein the plurality of jamming signal strengths are ordered sequentially from high to low, and the difference between adjacent jamming signal strengths is equal.
3. The tamper-resistant test system of claim 1, further comprising a storage unit for storing the test results.
4. The tamper-resistant test system of claim 3, wherein the tamper-resistant test system is further operable to tag data in the test results.
5. The tamper-resistant testing system of claim 1, further comprising a computer or a mobile terminal, wherein the computer or the mobile terminal transmits the first test script to the testing device.
6. An anti-tamper testing method for a communication module, the anti-tamper testing method being implemented using the anti-tamper testing system of claim 1, the anti-tamper testing method comprising the steps of:
S1the test equipment receives a first test script, wherein the first test script comprises a plurality of test signal strengths;
S2the first control unit sequentially sets the current test signal intensity according to the received first test script; the first sending unit sends test information to the communication module to be tested under the current test signal intensity;
S3the first control unit acquires a first packet loss rate of the communication module to be tested for receiving the test information under the current test signal intensity, and judges whether the first packet loss rate is within a first preset range; if yes, executing step S4If not, executing step S2；
S4The first control unit sends a second test script to the interference source generating equipment;
S5the interference source generating device receives a second test script, wherein the second test script comprises a plurality of interference signal strengths;
S6the second control unit sequentially sets the current interference signal intensity according to the received second test script; the second sending unit sends an interference signal to the communication module to be tested under the current interference signal intensity, and the first sending unit sends test information to the communication module to be tested under the modified test signal intensity;
S7the first control unit acquires a second packet loss rate of the communication module to be tested for receiving the test information under the current interference signal intensity, and judges whether the second packet loss rate is within a second preset range; if yes, executing step S8If not, executing step S6；
S8The second control unit judges whether the current interference signal intensity is in a standard range or not and generates a test result;
the modified test signal strength is the signal strength obtained by adding a preset signal strength to the current test signal strength;
the test signal intensities are sequentially sequenced from high to low, and the difference between two adjacent test signal intensities is equal.
7. The method of claim 6, wherein the interference rejection test is performed according to a sequence of high to low interference signal strengths, and the difference between two adjacent interference signal strengths is equal.
8. The tamper-resistance testing method of claim 6, wherein the tamper-resistance testing system further comprises a memory unit;
in step S8Then, the anti-interference test method further comprises the following steps:
and storing the test result in the storage unit.
9. The tamper-resistant testing method of claim 8, wherein storing the test results in the storage unit further comprises, after the step of:
and marking the data in the test result.
10. The tamper-resistance testing method of claim 6, wherein the tamper-resistance testing system further comprises a computer or a mobile terminal;
in step S1Previously, the tamper resistance testing system further comprises:
and the computer or the mobile terminal sends the first test script to the test equipment.
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| CN109799387A (en) * | 2017-11-17 | 2019-05-24 | 神讯电脑(昆山)有限公司 | Signal strength Auto-Test System and its test method |
| CN108923871B (en) * | 2018-07-23 | 2021-03-09 | Oppo（重庆）智能科技有限公司 | Interference detection method and device and electronic device |
| CN109120287A (en) * | 2018-08-15 | 2019-01-01 | 合肥云序科技有限公司 | A kind of anti-interference method of wireless communication |
| EP3672117B1 (en) | 2018-12-19 | 2023-10-04 | Rohde & Schwarz GmbH & Co. KG | Test system and method of testing follower jammer robustness of a radio |
| CN109900990B (en) * | 2019-03-19 | 2020-08-21 | 广东乐芯智能科技有限公司 | Wearable equipment complete machine current testing method |
| CN110233685B (en) * | 2019-05-16 | 2021-10-08 | 德凯认证服务（苏州）有限公司 | Wireless signal coexistence interference test method and test system thereof |
| CN111865711A (en) * | 2020-06-23 | 2020-10-30 | 勇鸿(重庆)信息科技有限公司 | System and method for testing electromagnetic interference rejection performance of intelligent networked automobile |
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