CN115426303B - Test method for testing dual-mode communication unit - Google Patents
Test method for testing dual-mode communication unit Download PDFInfo
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- CN115426303B CN115426303B CN202211045718.3A CN202211045718A CN115426303B CN 115426303 B CN115426303 B CN 115426303B CN 202211045718 A CN202211045718 A CN 202211045718A CN 115426303 B CN115426303 B CN 115426303B
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- 238000004891 communication Methods 0.000 title claims abstract description 125
- 238000012360 testing method Methods 0.000 title claims abstract description 121
- 238000010998 test method Methods 0.000 title claims description 5
- 238000004088 simulation Methods 0.000 claims description 25
- 230000004044 response Effects 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 11
- 238000012544 monitoring process Methods 0.000 claims description 6
- 230000009977 dual effect Effects 0.000 claims description 5
- 230000002238 attenuated effect Effects 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 abstract description 8
- 238000011161 development Methods 0.000 abstract description 3
- 238000002955 isolation Methods 0.000 abstract description 3
- 238000012827 research and development Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012812 general test Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/50—Testing arrangements
-
- 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 discloses a testing method for testing a dual-mode communication unit, which comprises the following steps: TTCN3 test system, shielding device and isolation device; communication transmitter, program controlled attenuator, communication receiver, tool simulator, signal generator and spectrometer. According to the invention, through the modularized design and the combination of the hardware device, the operation environments of the upstream and downstream devices of the dual-mode communication unit are simulated, so that the automatic test of dual-mode products is realized, the test efficiency is improved, the research and development time of the products is shortened, and the industrialized development is promoted.
Description
Technical Field
The invention relates to the technical field of power grid equipment communication, in particular to a testing method for testing a dual-mode communication unit.
Background
TTCN3 (Testing and Test Control Notation Version, third edition of test and test control labeling method) is a powerful black box test standard based on a response system, is a general test language specially formulated for the test field by ETSI, and has good reusability and easy maintainability based on test cases generated by TTCN 3.
The dual mode refers to the technical specification of dual mode communication interconnection made by the national power grid company for improving the standardization and standardization level of the power consumption information acquisition system management and realizing the interconnection and intercommunication between the dual mode communication units.
With the continuous development of the power grid communication technology, the communication rate and the success rate are continuously improved, the dual-mode communication technology is applied to the power communication network, the advantages of high speed and high efficiency of the broadband carrier are reserved, and meanwhile dead angles of carrier communication are also compensated. Dual mode communication is a combination and coexistence of high-speed broadband carrier communication and high-speed wireless communication.
Aiming at the communication test of the dual-mode communication unit, no mature and efficient test method is available at present, only test software is adopted to manually execute communication commands for testing, the test method has low efficiency, the test result is unreliable, great human factors exist, and reliable basis cannot be provided for the authentication of products. The development of a test system capable of automatically testing dual-mode communication units and improving test efficiency is also an urgent problem to be solved.
Disclosure of Invention
Aiming at the defects and drawbacks existing in the prior art, the invention provides a testing method for testing the dual-mode communication unit, realizes automatic testing of the dual-mode communication unit, improves testing efficiency, and provides effective testing basis for authentication of products.
The aim of the invention can be achieved by the following technical scheme:
the testing method for testing the dual-mode communication unit is characterized by comprising a TTCN3 testing system, a shielding device and an isolating device, wherein:
the TTCN3 testing system is a system for running test cases and at least comprises a case management module, a case execution module, a case parameter module and a log management module;
the shielding device provides a non-interference testing environment for testing, and the communication transmitting device, the program-controlled attenuator, the tool simulation device, the communication receiving device, the frequency spectrograph and the signal generator are all placed in the shielding device to operate;
the isolation device is used for isolating external interference signals;
further, the use case management module of the TTCN3 test system is configured to manage basic information of a test case, including operations of adding, modifying, deleting, and the like, of the use case.
Further, the use case execution module of the TTCN3 testing system is used for executing the test use case and outputting a testing process log.
Further, the use case parameter module of the TTCN3 test system is associated with the use case execution module, and is used for configuring parameters required in the use case execution process.
Further, the log management module of the TTCN3 test system is associated with the use case execution module, and is configured to receive a log output by the test process, and generate a test report according to log information.
Further, the communication transmitting device in the shielding device is responsible for converting the test command of the TTCN3 test system into a communication signal and transmitting the communication signal out through a high-speed carrier or a high-speed wireless, and the upstream is connected with the TTCN3 test system, and data exchange is carried out according to a self-defined format; the downstream is connected with the program-controlled attenuator, and data exchange is carried out according to a data format defined by a dual-mode technical specification in a power line or radio frequency line or wireless mode;
further, a program-controlled attenuator in the shielding device is responsible for attenuating signals sent by the communication sending device, the attenuation range is 0-127dB, the upstream is connected with the communication sending device, and the downstream is connected with the tool simulation device;
further, the tool simulation device in the shielding device is responsible for providing an operation environment for the dual-mode communication unit, is connected with the TTCN3 testing system, and performs data exchange according to a self-defined format for control communication; the tooling simulation device is provided with corresponding slots according to the specification of the dual-mode communication unit, and the dual-mode communication unit is inserted on the slot of the tooling simulation device.
Further, the communication receiving device in the shielding device is responsible for receiving the response signal of the dual-mode communication unit, converting the response signal into a response command and returning the response command to the TTCN3 testing system, and connecting the upstream with the TTCN3 testing system, wherein data exchange is carried out according to a self-defined format; the downstream is connected with the tooling simulation device, and data exchange is performed according to a data format defined by a dual-mode technical specification;
further, the signal generator and the frequency spectrograph in the shielding device are responsible for providing external test environments or monitoring test data required in the test process, are connected with the TTCN3 test system through the control interface, and the TTCN3 test system control equipment generates required test signals or receives the monitoring data for testing the dual-mode communication unit.
Further, the isolation device is connected with a power supply and is used for isolating interference signals;
the invention also comprises a method for testing the dual-mode communication unit, which is characterized by comprising the following steps:
1) The TTCN3 testing system establishes communication connection with equipment such as a communication transmitting device, a program-controlled attenuator, a tool simulation device, a communication receiving device, a signal generator, a spectrometer and the like;
2) Initializing the equipment connected in the step 1);
3) Setting communication parameters for a communication sending device, a program-controlled attenuator, a tool simulation device and a communication receiving device through a control port;
4) The TTCN3 testing system sends a testing command to the communication sending device;
5) After receiving the test command, the communication transmitting device converts the test command into a high-speed carrier signal to be transmitted to the program-controlled attenuator if the high-speed carrier signal is to be transmitted to the high-speed carrier channel, and then transmits the high-speed carrier signal to the dual-mode communication unit after the high-speed carrier signal is attenuated by the program-controlled attenuator; if the test command is to be sent to the high-speed wireless channel, converting the test command into a high-speed wireless signal and directly sending the high-speed wireless signal to the dual-mode communication unit;
6) The communication receiving device receives the response signal of the dual-mode communication unit and converts the response signal into a response result which is returned to the TTCN3 testing system;
7) The TTCN3 testing system judges the received response result and outputs a conclusion;
further, the step 2) performs initialization on the connected device, at least including: the tool simulation device is controlled to power on the dual-mode communication unit, the caches of the communication sending device and the communication receiving device are emptied, the attenuation value of the program-controlled attenuator is set, the signal generator is controlled to output signals required by a test environment, and the spectrometer is started to perform data monitoring.
Further, the step 3) includes at least: the device comprises a communication sending device, a communication receiving device, a communication frequency band of a high-speed carrier wave of a tested dual-mode communication unit, a communication frequency point of high-speed wireless, and a communication baud rate of a tooling simulation device and the dual-mode communication unit;
further, the steps 1) to 7) can be cut, combined or repeated circularly according to the actual test requirement, so as to achieve the purpose of testing;
as described above, the TTCN 3-based dual-mode test system and method have the following beneficial technical effects:
the system consists of all independent test devices, including software and hardware, and has the function of simulating the upstream and downstream devices in the actual running environment of the dual-mode communication unit for test. The modularized design has good expandability and flexibility, greatly improves the testing efficiency, shortens the research and development time of products and reduces the research and development cost.
Drawings
FIG. 1 is an overall block diagram of the present invention;
fig. 2 is a flow chart of a testing method of the dual-mode communication unit according to the present invention.
Description of the embodiments
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1, the testing method for testing the dual-mode communication unit provided by the invention at least comprises a TTCN3 testing system, a shielding device and an isolating device.
The TTCN3 testing system comprises a use case management module, a use case execution module, a use case parameter module and a log management module;
the use case management module is used for managing the use cases which are developed and completed by the system, and can add new test use cases or delete invalid use cases at any time.
The use case execution module is connected with the use case parameter module, and a user selects different use case combinations according to the type of the dual-mode communication unit and configures corresponding use case parameters to test the dual-mode communication unit. And outputting a test log in real time in the test process.
The log management module is connected with the use case execution module and is used for receiving the log output in the test process, forming a log file and generating a test report according to the log information after the test is finished.
The shielding device is characterized in that the outputs of the communication sending device, the program-controlled attenuator, the communication receiving device, the tool simulation device, the dual-mode communication unit, the signal generator and the frequency spectrograph are placed in the shielding device, so that the testing process is prevented from being interfered by the outside.
The upstream of the communication transmitting device is connected with a TTCN3 testing system, and data exchange is carried out according to a self-defined format; the downstream is connected with the program-controlled attenuator through a power line or a radio frequency line, and the data exchange is carried out according to a data format defined by the dual-mode technical specification through the power line or the radio frequency line or wirelessly.
The program-controlled attenuator is connected with the communication transmitting device at the upstream and the tool simulation device at the downstream, and is used for attenuating the high-speed carrier signal sent by the communication transmitting device and then transmitting the attenuated signal to the tool simulation device.
The tool simulation device is connected with the TTCN3 test system, and data exchange is performed according to a custom format and used for control communication; the tooling simulation device is provided with corresponding slots according to the specification of the dual-mode communication unit, and the dual-mode communication unit is inserted on the slot of the tooling simulation device.
The upstream of the communication receiving device is connected with a TTCN3 testing system, and data exchange is carried out according to a self-defined format; the downstream is connected with the tool simulation device through a power line or a radio frequency line, and data exchange is carried out according to a data format defined by a dual-mode technical specification through the power line or the radio frequency line or in a wireless mode.
The signal generator, the spectrometer and other devices are respectively connected with the TTCN3 testing system and used for generating different testing environment signals or monitoring testing data for testing.
The isolating device is positioned between the power supply and the shielding device and is used for isolating external interference.
As shown in fig. 2, the present invention further includes a method for testing a dual-mode communication unit, which at least includes the following steps:
1) The TTCN3 testing system establishes communication connection with equipment such as a communication transmitting device, a program-controlled attenuator, a tool simulation device, a communication receiving device, a signal generator, a spectrometer and the like;
2) Initializing the equipment connected in the step 1);
3) Setting communication parameters for a communication sending device, a program-controlled attenuator, a tool simulation device and a communication receiving device through a control port;
4) The TTCN3 testing system sends a testing command to the communication sending device;
5) After receiving the test command, the communication transmitting device converts the test command into a high-speed carrier signal to transmit a program-controlled attenuator if the test command is transmitted to the high-speed carrier channel, and transmits the test command to the dual-mode communication unit after the test command is attenuated by the program-controlled attenuator; if the test command is to be sent to the high-speed wireless channel, converting the test command into a high-speed wireless signal and directly sending the high-speed wireless signal to the dual-mode communication unit;
6) The communication receiving device receives the response signal of the dual-mode communication unit and converts the response signal into a response command to be returned to the TTCN3 testing system;
7) The TTCN3 testing system judges the received response result and outputs a conclusion;
in the step 2), initializing the connected device, at least including: the tool simulation device is controlled to power on the dual-mode communication unit, the caches of the communication sending device and the communication receiving device are emptied, the attenuation value of the program-controlled attenuator is set, the signal generator is controlled to output signals required by a test environment, and the spectrometer is started to perform data monitoring.
In the step 3), the communication parameters to be set at least include: the device comprises a communication sending device, a communication receiving device, a communication frequency band of a high-speed carrier wave of a tested dual-mode communication unit, a communication frequency point of high-speed wireless, and a communication baud rate of a tooling simulation device and the dual-mode communication unit;
the steps 1) to 7) can be cut, combined or repeated circularly according to the actual test requirement, so as to achieve the purpose of testing.
The above embodiments are illustrative of the specific embodiments of the present invention, and not restrictive, and various changes and modifications may be made by those skilled in the relevant art without departing from the spirit and scope of the invention, so that all such equivalent embodiments are intended to be within the scope of the invention.
Claims (1)
1. A method of testing a dual mode communication unit, comprising the steps of:
the TTCN3 testing system establishes communication connection with the communication transmitting device, the program-controlled attenuator, the tool simulation device, the communication receiving device, the signal generator and the spectrometer equipment, and performs initialization on the connected equipment after connection;
setting communication parameters for a communication sending device, a program-controlled attenuator, a tool simulation device and a communication receiving device through a control port;
the TTCN3 testing system sends a testing command to the communication sending device;
after receiving the test command, the communication transmitting device converts the test command into a high-speed carrier signal and transmits the high-speed carrier signal to the program-controlled attenuator if the high-speed carrier signal is transmitted to the high-speed carrier channel, and then the high-speed carrier signal is attenuated by the program-controlled attenuator and transmitted to the dual-mode communication unit; if the test command is sent to the high-speed wireless channel, converting the test command into a high-speed wireless signal and directly sending the high-speed wireless signal to the dual-mode communication unit;
the communication receiving device receives the response signal of the dual-mode communication unit and converts the response signal into a response result which is returned to the TTCN3 testing system;
the TTCN3 testing system judges the received response result and outputs a conclusion;
the initializing the connected device at least comprises: controlling the tooling simulation device to electrify the dual-mode communication unit, clearing the caches of the communication sending device and the communication receiving device, setting the attenuation value of the program-controlled attenuator, controlling the signal generator to output signals required by the test environment, and starting the spectrometer to execute data monitoring;
the communication parameters to be set at least comprise: the device comprises a communication sending device, a communication receiving device, a communication frequency band of a high-speed carrier wave of a tested dual-mode communication unit, a communication frequency point of high-speed wireless, and a communication baud rate of a tooling simulation device and the dual-mode communication unit;
the method steps are repeated circularly according to actual test requirements, and the purpose of testing is achieved.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210075235U (en) * | 2019-07-24 | 2020-02-14 | 北京智芯微电子科技有限公司 | Testing device compatible with broadband carrier module and micropower wireless module |
| CN110868328A (en) * | 2019-12-23 | 2020-03-06 | 深圳市国电科技通信有限公司 | Performance detection system for dual mode communication device |
| CN111210606A (en) * | 2020-01-15 | 2020-05-29 | 重庆邮电大学 | Local micropower wireless interconnection and intercommunication test system in power consumption information acquisition system |
| CN113395086A (en) * | 2021-06-15 | 2021-09-14 | 国网北京市电力公司 | Test system and method for dual-mode communication device, and nonvolatile storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7003707B2 (en) * | 2000-04-28 | 2006-02-21 | Texas Instruments Incorporated | IC tap/scan test port access with tap lock circuitry |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210075235U (en) * | 2019-07-24 | 2020-02-14 | 北京智芯微电子科技有限公司 | Testing device compatible with broadband carrier module and micropower wireless module |
| CN110868328A (en) * | 2019-12-23 | 2020-03-06 | 深圳市国电科技通信有限公司 | Performance detection system for dual mode communication device |
| CN111210606A (en) * | 2020-01-15 | 2020-05-29 | 重庆邮电大学 | Local micropower wireless interconnection and intercommunication test system in power consumption information acquisition system |
| CN113395086A (en) * | 2021-06-15 | 2021-09-14 | 国网北京市电力公司 | Test system and method for dual-mode communication device, and nonvolatile storage medium |
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