CN108040345B - Automatic detection system for LTE conduction transmitting power of 4G mobile terminal - Google Patents
Automatic detection system for LTE conduction transmitting power of 4G mobile terminal Download PDFInfo
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- CN108040345B CN108040345B CN201810049067.2A CN201810049067A CN108040345B CN 108040345 B CN108040345 B CN 108040345B CN 201810049067 A CN201810049067 A CN 201810049067A CN 108040345 B CN108040345 B CN 108040345B
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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
Abstract
The invention relates to an automatic detection system for LTE transmission power of a mobile terminal, in particular to an automatic detection system for LTE transmission power of a 4G mobile terminal. Comprising the following steps: and (3) a control system: the system is an industrial personal computer or a computer provided with test software and is used for running automatic test software, saving test history data and generating reports; the technical requirements are as follows: the function of judging the measurement result according to the test standard and outputting the result; MT8820C wireless comprehensive tester: the LTE wireless comprehensive tester; the technical requirements are as follows: establishing communication connection with a 4G mobile terminal; radio frequency connecting wire: the system is used for connecting the 4G mobile terminal and the MT8820C tester; network cable and GPIB control line: the system is used for connecting the MT8820C wireless comprehensive tester and the control system; the beneficial effects are that: requirements for LTE conducted transmit power testing in SAR evaluation (see standard 3gpp TS 36.508 and FCC KDB 941225 d 05). Human intervention is reduced, and testing efficiency is greatly improved.
Description
Technical Field
The invention relates to an automatic detection system for LTE transmission power of a mobile terminal, in particular to an automatic detection system for LTE transmission power of a 4G mobile terminal.
Background
A product needs to pass detection certification under corresponding regulations or standards established in various major countries and regions of the world, such as FCC certification in north america, CE certification in europe, etc., before it is legally marketed in these countries and regions. When a 4G (note: 4G is The 4th Generation communication system, chinese is The fourth generation mobile communication technology, 4G mobile terminal refers to a mobile terminal supporting The 4G technology) handset performs detection authentication, electromagnetic radiation performance is a very important detection index, SAR (Specific Absorption Rate ) is a specific test detection parameter used to quantify The performance of The mobile terminal, LTE (note: LTE is Long Term Evolution, chinese is long term evolution) of The mobile terminal is required before The SAR detection is performed, the mobile terminal is tested according to a conduction power test result, and The mobile phone operating state at The SAR test time is determined according to a long term evolution technology of UMTS (Universal Mobile Telecommunications System, chinese is a universal mobile communication system, i.e., a third generation mobile communication technology) technical standard established by 3GPP (The 3rd Generation Partnership Project, chinese is The third generation partnership project) organization. In this conducted power, parameters such as a modulation scheme, a bandwidth, RB (resource Block) allocation, and channel selection of LTE are required to be configured and combined differently, and if manual testing is used, a lot of testing time is consumed and errors are likely to occur. At present, automatic test software of a comprehensive test instrument with a corresponding production model is developed by various comprehensive tester manufacturers in the market, but the software has too simple designed function in LTE (long term evolution) transmission power test and high price, and is not suitable for transmission power test before SAR (synthetic aperture radar) detection. It is therefore desirable to design a new test system to meet the requirements of this type of LTE conducted transmit power.
Disclosure of Invention
In order to achieve certain universality and flexibility, greatly save labor cost and effectively improve test efficiency, the invention provides an LTE conduction emission power automatic detection system of a 4G mobile terminal. The LTE established for SAR evaluation is currently known to be transmitted to a power automation test system only, and can be used for automatic test of conducted transmission power before SAR evaluation, and output, judgment and storage of results. And (3) carrying out the process of (1) carrying out the process of (2.
To achieve the above object, an automatic detection system for LTE conducted transmission power of a 4G mobile terminal includes:
and (3) a control system: the system is an industrial personal computer or a computer provided with test software and is used for running automatic test software, saving test history data and generating reports; the technical requirements are as follows: the function of judging the measurement result according to the test standard and outputting the result;
MT8820C wireless comprehensive tester: the LTE wireless comprehensive tester; the technical requirements are as follows: the communication connection between the 4G base station function simulation and the 4G mobile terminal can be established;
radio frequency connecting wire: the system is used for connecting the 4G mobile terminal and the MT8820C tester;
network cable and GPIB control line: the system is used for connecting the MT8820C wireless comprehensive tester and the control system;
further optimized, the MT8820C comprehensive tester is connected with the 4G mobile terminal through a radio frequency connecting wire, and the control system is connected with the MT8820C wireless comprehensive tester through a network cable or a GPIB control wire;
further optimizing, the control system is divided into three layers of architecture, including a UI display layer, a test technology module, a control scheduling layer, a test instrument driving library and an instruction realization layer. And each part adopts a relatively independent module, adopts a plug-in design idea, and is convenient for software expansion and maintenance.
The UI display layer is a man-machine interaction interface, and adopts the latest UI development tool and business graphic middleware, so that interface elements follow the trend of the era, and the user operation is simple and friendly.
The test technology module is customized according to actual test requirements and comprises multiple modulation modes under 39 LTE frequency bands, variable bandwidth configuration, complex RB allocation, conductive transmission power test cases of multiple channels and a personalized output function of test results.
The test meter driver library is a collection of individual meter driver libraries that are adapted to the different remote access interfaces provided by the meters. The instrument driving library and the instruction set which are independently developed are independent of instrument driving provided by instrument manufacturers, have strong flexibility, and can meet all operations of various specific test requirements.
Further optimizing, the control system comprises the following eight functional modules according to the functional requirement:
the instrument management module: including meter connection parameter configuration, preservation, and meter communication interface maintenance.
The instruction management module: the method comprises the steps of maintaining a control table instruction set and maintaining instruction parameters.
Line loss compensation module: including maintenance of compensation data, compensation algorithms, interfaces to compensate for the system.
Test engineering information management module: the software is used for managing test cases by taking engineering as a unit, engineering information comprises necessary information of a test environment, instrument model information, initialization information of a system, initialization information of the test cases and the like, and test results of each engineering are stored in a centralized mode.
Test case management module: the method comprises test case list management and presentation, test case default parameter configuration and custom configuration access, test flow management and test result judgment.
And the test control module: including test start, pause, end control, and message interfaces between the test case and the UI.
Test record management module: the method comprises real-time monitoring of test records, prompt of abnormal test information, monitoring of test progress and storage of test records.
Test result management module: and storing the test result metadata, and storing the test result metadata as Excel format output according to specified requirements.
Further optimizing, the working flow of the test system is as follows:
before starting the test, a project needs to be newly built in the control system, the basic information of the tested terminal is stored in the project, and corresponding test cases are added according to the test requirements. And configuring test parameters, wherein the test parameters are authentication codes, line loss compensation, input/output power levels and the like of the equipment, and the control system transmits the test parameters to the MT8820C wireless comprehensive tester and the instrument performs initialization setting. And then the tested 4G mobile terminal and the MT8820C wireless comprehensive tester are connected in a communication way through a radio frequency connection line.
When the test is started, the software sends the LTE cell set frequency band, modulation mode, bandwidth and RB allocation mode to the MT8820C wireless comprehensive tester according to the selected test case, and the test of the transmission power conducted by the mobile terminal is automatically carried out after the cell configuration is changed by the meter.
After the test is finished, the control system automatically reads and stores the power data and records the cut-off time, the test passes, and the test of the next use case is continued; if the set repeated test times are greater than 1, continuing the repeated test of the current use case until the repeated times are reached; if the test fails, the case is subjected to complement test, the complement test times set in advance are exceeded, and the case is skipped to carry out the test of the next case; after all the tests are completed, the control system can compare and judge the test data and generate a test report conforming to the standard format, so that the test report is convenient to check.
Further optimizing, in the test process, real-time test related information and progress can be checked, and the current test can be paused for checking the current state of the tested equipment or instrument; in the test process, the tested equipment may lose communication connection with the instrument, the system can resend a connection instruction, the system can automatically resume operation to continue the automatic test after the connection is successful, if the mobile phone still fails to establish communication connection after the number of automatic reconnection times is exceeded, the system can prompt the user to manually operate.
After the test is finished, the test data and the log are saved as a file in the rtf format and are archived, and the test process and the test result can be traced by checking the file. . Under the state of checking the historical results, continuous testing, retesting of failed items and retesting of all items can be carried out on the engineering, after the testing is finished, the testing information and the testing results are updated into corresponding files, and meanwhile updated testing reports are exported.
The beneficial effects of the invention are as follows: the test system is an automatic test scheme which is only customized for the standards 3GPP TS 36.508 and KDB 941225D 05, and a complete detection and evaluation system for reducing and determining SAR by utilizing LTE conduction transmitting power is formulated by a KDB 941225D 05 specification file issued by FCC (Federal Communications Commission, chinese name is the federal communications Commission). According to the test system, the LTE conduction transmitting power of the 4G mobile terminal is tested according to the requirement of the specification, so that automatic operation is realized, and the result can be judged and reported to be output.
The UI display layer is a man-machine interaction interface, and adopts the latest UI development tool and business graphic middleware, so that interface elements follow the trend of the era, and the user operation is simple and friendly.
The test technology module is customized according to actual test requirements and comprises a plurality of corresponding modulation modes, variable bandwidth configuration, complex RB allocation, conductive transmission power test cases of a plurality of channels and a personalized output function of test results in each frequency band under 39 LTE frequency bands.
The test meter driver library is a collection of individual meter driver libraries that are adapted to the different remote access interfaces provided by the meters. The instrument driving library and the instruction set which are independently developed are independent of instrument driving provided by instrument manufacturers, have strong flexibility, and can meet all operations of various specific test requirements.
The requirements of LTE conducted transmit power testing in SAR evaluation are met. Human intervention is reduced, and testing efficiency is greatly improved.
Drawings
FIG. 1 is a flow chart of the process of the present invention.
Fig. 2 is a schematic diagram of the connection of the rf tank.
Fig. 3 is a structural diagram of the present invention.
Detailed Description
The invention will now be described in detail with reference to figures 1 to 3 and the specific examples, but without limiting the invention.
As shown in fig. 1 to 3, an automatic detection system for LTE conducted transmission power of a 4G mobile terminal includes:
and (3) a control system: the system is an industrial personal computer or a computer provided with test software and is used for running automatic test software, saving test history data and generating reports; the technical requirements are as follows: the function of judging the measurement result according to the test standard and outputting the result;
MT8820C wireless comprehensive tester: the LTE wireless comprehensive tester; the technical requirements are as follows: establishing communication connection with a 4G mobile terminal;
radio frequency connecting wire: the system is used for connecting the 4G mobile terminal and the MT8820C tester;
network cable and GPIB control line: the system is used for connecting the MT8820C wireless comprehensive tester and the control system;
the MT8820C comprehensive tester is connected with the 4G mobile terminal through a radio frequency connecting wire, and the control system is connected with the MT8820C wireless comprehensive tester through a network cable and a GPIB control wire;
the control system is divided into three layers of architecture, including a UI display layer, a test technology module, a scheduling layer, a test instrument drive library and an instruction implementation layer. And each part adopts a relatively independent module, adopts a plug-in design idea, and is convenient for software expansion and maintenance. The UI display layer is a man-machine interaction interface, and adopts the latest UI development tool and business graphic middleware, so that interface elements follow the trend of the era, and the user operation is simple and friendly. The test technology module is customized according to actual test requirements and comprises multiple modulation modes under 39 LTE frequency bands, variable bandwidth configuration, complex RB allocation, conductive transmission power test cases of multiple channels and a personalized output function of test results. The test meter driver library is a collection of individual meter driver libraries that are adapted to the different remote access interfaces provided by the meters. The instrument driving library and the instruction set which are independently developed are independent of instrument driving provided by instrument manufacturers, have strong flexibility, and can meet all operations of various specific test requirements.
The control system comprises the following eight functional modules according to the functional requirement:
a) The instrument management module: including meter connection parameter configuration, preservation, and meter communication interface maintenance.
b) The instruction management module: the method comprises the steps of maintaining a control table instruction set and maintaining instruction parameters.
c) Line loss compensation module: including maintenance of compensation data, compensation algorithms, interfaces to compensate for the system.
d) Test engineering information management module: the software is used for managing test cases by taking engineering as a unit, engineering information comprises necessary information of a test environment, instrument model information, initialization information of a system, initialization information of the test cases and the like, and test results of each engineering are stored in a centralized mode.
e) Test case management module: the method comprises test case list management and presentation, test case default parameter configuration and custom configuration access, test flow management and test result judgment.
f) And the test control module: including test start, pause, end control, and message interfaces between the test case and the UI.
g) Test record management module: the method comprises real-time monitoring of test records, prompt of abnormal test information, monitoring of test progress and storage of test records.
h) Test result management module: and storing the test result metadata, and storing the test result metadata as Excel format output according to specified requirements.
The working principle is as follows: the working flow of the test system is as follows:
before starting the test, a project needs to be newly built in the control system, the basic information of the tested terminal is stored in the project, and corresponding test cases are added according to the test requirements. And configuring test parameters, wherein the test parameters are authentication codes, line loss compensation, input/output power levels and the like of the equipment, and the control system transmits the test parameters to the MT8820C wireless comprehensive tester and the instrument performs initialization setting. And then the tested 4G mobile terminal and the MT8820C wireless comprehensive tester are connected in a communication way through a radio frequency connection line.
When the test is started, the software sends the LTE cell set frequency band, modulation mode, bandwidth and RB allocation mode to the MT8820C wireless comprehensive tester according to the selected test case, and the test of the transmission power conducted by the mobile terminal is automatically carried out after the cell configuration is changed by the meter.
After the test is finished, the control system automatically reads and stores the power data and records the cut-off time, the test passes, and the test of the next use case is continued; if the set repeated test times are greater than 1, continuing the repeated test of the current use case until the repeated times are reached; if the test fails, the case is subjected to complement test, the complement test times set in advance are exceeded, and the case is skipped to carry out the test of the next case; after all the tests are completed, the control system can compare and judge the test data and generate a test report conforming to the standard format, so that the test report is convenient to check.
In the test process, real-time test related information and progress can be checked, and the current test can be paused for checking the current state of the tested equipment or instrument; in the test process, the tested equipment may lose communication connection with the instrument, the system can resend a connection instruction, the system can automatically resume operation to continue the automatic test after the connection is successful, if the mobile phone still fails to establish communication connection after the number of automatic reconnection times is exceeded, the system can prompt the user to manually operate.
After the test is finished, the test data and the log are saved as a file in the rtf format and are archived, and the test process and the test result can be traced by checking the file. . Under the state of checking the historical results, continuous testing, retesting of failed items and retesting of all items can be carried out on the engineering, after the testing is finished, the testing information and the testing results are updated into corresponding files, and meanwhile updated testing reports are exported.
It is known from the technical knowledge that the present technical solution can be implemented by other embodiments without departing from the spirit or essential characteristics thereof. Accordingly, the above disclosed embodiments are illustrative in all respects, and not exclusive. All changes that come within the meaning and range of equivalency of the invention are to be embraced within their scope.
Claims (5)
1. An automated 4G mobile terminal LTE conducted transmit power detection system, comprising:
and (3) a control system: the system is an industrial personal computer or a computer provided with test software and is used for running automatic test software, saving test history data and generating reports; the technical requirements are as follows: the function of judging the measurement result according to the test standard and outputting the result;
MT8820C wireless comprehensive tester: the LTE wireless comprehensive tester; the technical requirements are as follows: the communication connection between the 4G base station function simulation and the 4G mobile terminal can be established;
radio frequency connecting wire: the system is used for connecting the 4G mobile terminal and the MT8820C tester;
network cable and GPIB control line: the system is used for connecting the MT8820C wireless comprehensive tester and the control system;
the method is characterized in that: the MT8820C comprehensive tester is connected with the 4G mobile terminal through a radio frequency connecting wire, and the control system is connected with the MT8820C wireless comprehensive tester through a network cable or a GPIB control wire;
the working flow of the test system is as follows:
before starting the test, a project needs to be newly built in the control system, basic information of a tested terminal is stored in the project, and corresponding test cases are added according to test requirements;
configuring test parameters, wherein the test parameters are authentication codes, line loss compensation, input/output power levels and the like of the equipment, and the control system transmits the test parameters to an MT8820C wireless comprehensive tester, and the instrument performs initialization setting;
then, the tested 4G mobile terminal and the MT8820C wireless comprehensive tester are connected in a communication way through a radio frequency connection line;
when the test is started, the software sends the LTE cell set frequency band, modulation mode, bandwidth and RB allocation mode to the MT8820C wireless comprehensive tester according to the selected test case, and the test of the transmission power conducted by the mobile terminal is automatically carried out after the cell configuration is changed by the meter;
after the test is finished, the control system automatically reads and stores the power data and records the cut-off time, the test passes, and the test of the next use case is continued; if the set repeated test times are greater than 1, continuing the repeated test of the current use case until the repeated times are reached; if the test fails, the test is carried out on the case with the failed test, the number of times of the test exceeds the number of times of the test set in advance, and the next case is tested by skipping the case; after all the tests are completed, the control system can compare and judge the test data and generate a test report conforming to the standard format, so that the test report is convenient to check.
2. The automated 4G mobile terminal LTE conducted transmit power detection system of claim 1, wherein: the control system is divided into a three-layer architecture, and comprises a UI display layer, a test technology module, a control scheduling layer, a test instrument driving library and an instruction implementation layer;
each part adopts a relatively independent module, adopts a plug-in design idea, and is convenient for software expansion and maintenance;
the UI display layer is a man-machine interaction interface, and adopts the latest UI development tool and business graphic middleware, so that interface elements follow the trend of the age, and the user operation is simple and friendly;
the test technology module is customized according to actual test requirements and comprises a plurality of corresponding modulation modes, variable bandwidth configuration, complex RB allocation, conductive transmission power test cases of a plurality of channels and a personalized test result output function in each frequency band under 39 LTE frequency bands;
the test instrument driving library is a set formed by a plurality of independent instrument driving libraries and is adapted to different remote access interfaces provided by the instrument;
the instrument driving library and the instruction set which are independently developed are independent of instrument driving provided by instrument manufacturers, have strong flexibility, and can meet all operations of various specific test requirements.
3. The automated 4G mobile terminal LTE conducted transmit power detection system of claim 1, wherein: the control system comprises the following eight functional modules according to the functional requirement:
the instrument management module: the method comprises the steps of configuring and storing instrument connection parameters and maintaining an instrument communication interface;
the instruction management module: the method comprises the steps of maintaining a control table instruction set and maintaining instruction parameters;
line loss compensation module: the system comprises maintenance of compensation data, a compensation algorithm and an interface for compensating the system;
test engineering information management module: the software is used for managing test cases by taking engineering as a unit, engineering information comprises necessary information of a test environment, instrument model information, initialization information of a system, initialization information of the test cases and the like, and test results of each engineering are stored in a centralized manner;
test case management module: the method comprises test case list management and presentation, test case default parameter configuration and custom configuration access, test flow management and test result judgment;
and the test control module: the method comprises the steps of testing start, pause and end control and a message interface between a test case and a UI;
test record management module: the method comprises real-time monitoring of test records, prompt of abnormal test information, monitoring of test progress and storage of test records;
test result management module: and storing the test result metadata, and storing the test result metadata as Excel format output according to specified requirements.
4. The automated 4G mobile terminal LTE conducted transmit power detection system of claim 1, wherein: in the test process, real-time test related information and progress can be checked, and the current test can be paused for checking the current state of the tested equipment or instrument; in the test process, the tested equipment may lose communication connection with the instrument, the system can resend a connection instruction, the system can automatically resume operation to continue the automatic test after the connection is successful, if the mobile phone still fails to establish communication connection after the number of automatic reconnection times is exceeded, the system can prompt the user to manually operate.
5. The automated 4G mobile terminal LTE conducted transmit power detection system of claim 1, wherein: after the test is finished, the test data and the log are saved as a file in the rtf format and are archived, and the test process and the test result can be traced by checking the file;
under the state of checking the historical results, continuous testing, retesting of failed items and retesting of all items can be carried out on the engineering, after the testing is finished, the testing information and the testing results are updated into corresponding files, and meanwhile updated testing reports are exported.
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