KR20140106857A - Protocol conformity verification method, apparatus performing the same and systme performing the same - Google Patents

Protocol conformity verification method, apparatus performing the same and systme performing the same Download PDF

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Publication number
KR20140106857A
KR20140106857A KR1020130021013A KR20130021013A KR20140106857A KR 20140106857 A KR20140106857 A KR 20140106857A KR 1020130021013 A KR1020130021013 A KR 1020130021013A KR 20130021013 A KR20130021013 A KR 20130021013A KR 20140106857 A KR20140106857 A KR 20140106857A
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South Korea
Prior art keywords
verification
target terminal
test
protocol
data
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KR1020130021013A
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Korean (ko)
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전용준
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(주)아크로엠
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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
    • H04L43/18—Protocol analysers
    • 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

Abstract

A protocol conformance verification system according to an embodiment of the present invention comprises: a verification target terminal which supports a plurality of wireless networks; a protocol conformance verification device which generates an execution file by compiling a source written in a testing and test control notation (TTCN)-core language including a test item, provides test data on the test item included in the execution file by encoding the test data to conform to each wireless network protocol, and generates test result data by receiving response data to the test data; and a verification target terminal measuring device which receives the test data from the protocol conformance verification device, verifies whether one of the wireless networks supported by the verification target terminal conforms to a standard protocol, and provides the protocol conformance verification device with response data to the verification result.

Description

TECHNICAL FIELD [0001] The present invention relates to a protocol conformance verification method, a device for executing the protocol conformity verification method,

Embodiments of the present invention relate to a protocol conformance verification method, an apparatus for executing the method, and a system for executing the method.

Recently, smart phones can support various kinds of wireless networks. A plurality of wireless networks mounted on a smart phone are developed in accordance with a communication protocol specification which is a rule that defines communication between communication devices. However, there may be incompatibilities between devices due to ambiguity in the protocol specification, its misinterpretation by the manufacturer, and other protocol implementation equipment that uses other options in the protocol specification.

In order to solve these problems, conformance testing of protocol implementation equipment is required in relation to the standard. The purpose of the protocol conformance test is to check whether a system under test conforms to the protocol specification .

To this end, the European Telecommunication Standards Institute is distributing a script file describing a number of test cases for protocol conformance testing. These script files are described in Testing and Test Control Notation (TTCN), a test specification and implementation language that defines test procedures for black box testing of commonly developed equipment. The TTCN test script language is the most widely used and specialized language in the world Language and standardized by ISO for testing complex communication systems.

The present invention uses a test item defined in the TTCN-3 core language to determine whether each of a plurality of wireless networks supported by a target terminal conforms to a standard protocol, And a protocol conformance verification method capable of naturally fusing the verification process, an apparatus for executing the method, and a system for executing the same.

This method reuses the test items defined in the TTCN-3 core language, which is independent of the language used in developing the target terminal, so that each of the plurality of wireless networks supported by all the target terminals in the whole development process is compatible with the standard protocol And a system for executing the protocol conformance verification method.

The present invention relates to a protocol conformance verification method capable of objectively verifying a problem of a test item itself and performing an objective evaluation on the test result by using the TTCN-3 core language as an international standard language, And to provide the above objects.

The problems to be solved by the present invention are not limited to the above-mentioned problem (s), and another problem (s) not mentioned can be clearly understood by those skilled in the art from the following description.

Among the embodiments, the protocol verification system includes a verification target terminal that supports a plurality of wireless networks, a source that is created in a TTCN (Testing and Test Control Notation) -3 core language language including a test item to generate an executable file, A protocol conformity verifying apparatus which encodes and provides test data related to the test items included in the executable file so as to be suitable for each of the plurality of wireless network protocols, receives response data for the test data, and generates test result data; Receiving the test data from the protocol conformity verification apparatus and verifying whether any one of a plurality of wireless networks supported by the verification target terminal conforms to a standard protocol, Protocol Compliance And a validation target terminal measuring device provided in the verification device.

Among the embodiments, the protocol conformity verification apparatus comprises a compiler unit for compiling a source written in a TTCN (Testing and Test Control Notation) -3 core language including a test item to generate an executable file, an executable file generated by the compiler module An encoding unit that encodes the test data related to the test items included in the executable file so as to conform to protocols to be complied with by each of a plurality of wireless networks supported by a verification target terminal, And a decoding unit which provides the response data to the verification target terminal measurement device connected to the verification target terminal and decodes the response data received through the communication interface module, The control unit To analyze the decoded response data to generate a test result data.

Among the embodiments, the protocol conformance verification method executed in the protocol suitability verification apparatus includes: generating an executable file by compiling a source written in a TTCN (Testing and Test Control Notation) -3 core language including a test item; Encoding the test data related to the test item included in the test target terminal to be conformed to protocols to be complied with by each of a plurality of wireless networks supported by the verification target terminal and providing the encoded target terminal measurement device connected to the verification target terminal, Receiving and decoding response data from the verification target terminal measurement device, and analyzing the decoded response data to generate test result data.

The details of other embodiments are included in the detailed description and the accompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and / or features of the present invention, and how to accomplish them, will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings. It should be understood, however, that the invention is not limited to the disclosed embodiments, but is capable of many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, To fully disclose the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

According to the present invention, a test item defined in the TTCN-3 core language is used to determine whether each of a plurality of wireless networks supported by a terminal to be verified conforms to a standard protocol, So that the test and verification process can be naturally converged.

According to the present invention, it is possible to reuse test items defined in the TTCN-3 core language irrelevant to a language used when developing a verification target terminal, so that each of a plurality of wireless networks, It is possible to judge whether or not it is suitable for the user.

According to the present invention, by using the TTCN-3 core language, which is an international standard language, it is possible to objectively verify the problem of the test item itself and to perform an objective evaluation on the test result.

1 is a diagram for explaining a protocol conformance verification system according to an embodiment of the present invention.
FIG. 2 is a block diagram for explaining the protocol conformance verification apparatus shown in FIG. 1; FIG.
3 is a block diagram for explaining the verification target terminal measurement apparatus shown in FIG.
FIG. 4 is a flowchart illustrating an embodiment of a protocol conformance verification method according to the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The protocol conformance verification method of the present invention is installed in a computer and operated after being distributed by software. In order to do this, the test cases included in the PCT script file created and distributed by the European Telecommunication Standards Institute (TTCN) in the 3-core language (TTCN) The test is applied to each of the wireless networks.

The TTCN-3 core language is described in detail as follows.

The TTCN-3 core language is an international standardized test language standardized by the European Telecommunications Standards Institute (ETSI) in 2001. It is a test language that can standardize various tests through various communication interfaces.

Specifically, the TTCN-3 core language can create a test case for test execution, that is, a test item created by the user, as text, as well as a table and a diagram. In the test of the main test component (MTC) It is possible to generate PTC (Parallel Test Component) dynamically. In addition, the TTCN-3 core language supports both synchronous and asynchronous communication, and can specify encoding information.

In addition, the TTCN-3 core language can use function specification templates as well as data comparison functions. In addition, the TTCN-3 core language can use grammar types and values used in Abstract Syntax Notation One (ASN.1).

The TTCN-3 core language performs testing in a black-box testing fashion and includes conformance testing to determine whether protocols including mobile communications and the Internet are suitable for the wireless network to be verified, Request Broker Architecture) -based platform testing and application programming interface (API) testing.

1 is a diagram for explaining a protocol conformance verification system according to an embodiment of the present invention.

Referring to FIG. 1, the protocol conformance verification system includes a verification target terminal 100, a protocol conformity verification apparatus 200, and a verification target terminal measurement apparatus 300. Here, the protocol conformity testing apparatus 200 may include a verification target terminal 100 and a verification target terminal 100 via any one of GPIB (General Purpose Interface Bus), USB (Universal Serial Bus), RS-232, RS- And may be connected to the measuring apparatus 300.

The verification target terminal 100 is a terminal capable of simultaneously supporting wireless networks such as second generation mobile communication, third generation mobile communication, fourth generation mobile communication, Bluetooth, Wi-Fi (Wireless Fidelity) or NFC . For example, the verification target terminal 100 is a terminal having a central processing unit and a memory device such as a smart phone.

The protocol conformity verification apparatus 200 can generate an executable file by compiling a source written in the TTCN-3 core language including a test item and output test data related to the test item included in the executable file to the verification target terminal measurement apparatus 300). The protocol conformity verification apparatus 200 receives response data for test data from the verification target terminal measurement apparatus 300 and generates test result data.

The verification target terminal measuring apparatus 300 can receive test data from the protocol conformity verification apparatus 200 and verify whether each of the plurality of wireless networks supported by the verification target terminal 100 conforms to the standard protocol. The verification target terminal measuring apparatus 300 can provide the protocol conformance verification apparatus 200 with the response data to the verification result of the verification target terminal 100. [

FIG. 2 is a block diagram for explaining the protocol conformance verification apparatus shown in FIG. 1; FIG.

2, the protocol conformance verification apparatus 200 includes a compiler unit 210, a control unit 220, an encoding unit 230, a communication interface 240, and a decoding unit 250.

The compiler unit 210 compiles a source written in the TTCN-3 core language including a test item to generate an executable file. The compiler unit 210 provides the generated executable file to the control unit 220. [

The control unit 220 executes the executable file generated by the compiler unit 210.

In one embodiment, the control unit 220 can execute test data related to the test items included in the executable file generated by the compiler unit 210. [

The control unit 220 controls the encoding unit 230 to encode the test data related to the test item.

In one embodiment, the control unit 220 may control the encoding unit 230 to encode test data for a plurality of test items. In another embodiment, the control unit 220 may control the encoding unit 230 to encode test data relating to a test item selected by the user among a plurality of test items.

The control unit 220 may control the encoding unit 230 to encode the test data according to a standard protocol that the wireless network to be verified must adhere to. For example, when the wireless network to be verified is the third generation mobile communication, the control unit 220 may control the encoding unit 230 to encode the test data according to a standard protocol that the third generation mobile communication should observe.

The control unit 220 provides test data by the encoding unit 230 to the verification target terminal measuring device 300 through the communication interface 240. [

The control unit 220 controls the decoding unit 250 to decode the response data when the response data is received from the verification target terminal measuring device 300 through the communication interface 240.

The control unit 220 analyzes the response data by the decoding unit 250 and generates test result data.

In one embodiment, the control unit 220 may compare the specific data included in the response data by the decoding unit 250 with the reference data, and generate test result data according to whether the specific data matches the reference data.

For example, when the specific data included in the response data by the decoding unit 250 matches the comparison data, the control unit 220 may generate a test result message that the wireless network to be verified conforms to the standard protocol.

For example, if the comparison data does not match the specific data included in the response data by the decoding unit 250, the control unit 220 generates a test result message indicating that the wireless network to be verified is not conforming to the standard protocol .

The control unit 220 controls the display unit (not shown) to display a test result message. Therefore, the user can determine whether each of the plurality of wireless networks supported by the verification target terminal 100 conforms to the standard protocol based on the test result message displayed on the display unit.

Under the control of the control unit 220, the encoding unit 230 compares the test data related to the test items included in the execution file with the standard protocol that each of the plurality of wireless networks supported by the verification target terminal 100 should comply with ≪ / RTI > The encoding unit 230 provides the encoded test data to the control unit 220.

In one embodiment, the encoding unit 230 may convert test data to HDLC (High) according to a hierarchical structure of a wireless network protocol composed of an application layer, a data link layer, and a physical layer. -level Data Link Control procedure) frame structure.

For example, the encoding unit 230 may encode test data having an octet string into test data having a bit string to conform to a standard protocol that the third generation mobile communication must comply with.

The communication interface 240 can set or maintain a communication environment for data communication with the verification target terminal measurement device 300 under the control of the control unit 220. Here, the communication interface 240 can set or maintain the communication environment with the verification target terminal measuring device 300 through any one of GPIB, USB, RS-232, RS-422, and Ethernet.

In one embodiment, the communication interface 240 may provide test data encoded by the encoding unit 230 to the verification target terminal device 300 under the control of the control unit 220. In one embodiment, the communication interface 240 can receive the response data from the verification target terminal device 300. The communication interface 240 can provide the received response data to the control unit 220. [

The decoding unit 250 decodes the response data under the control of the control unit 220.

In one embodiment, the decoding unit 250 may decode the response data to be suitable for the control unit 220. [ For example, the decoding unit 250 may decode the response data having the bit string into the response data having the octet string or the byte string so as to be suitable for the processor module 120.

3 is a block diagram for explaining the verification target terminal measurement apparatus shown in FIG.

3, the verification target terminal apparatus 300 includes a data transmission / reception unit 310, a verification control unit 320, and a verification unit 330.

The data transmission / reception unit 310 receives the test data from the protocol conformity verification apparatus 200. The data transmission / reception unit 310 provides the received test data to the verification control unit 320.

The data transmitting and receiving unit 310 provides the result of verifying whether the specific wireless network supported by the verification target terminal 100 conforms to the standard protocol under the control of the verification control unit 320 to the protocol conformity verification apparatus 200 do.

The verification control unit 320 controls the verification unit 330 to verify whether the verification target wireless network conforms to the standard protocol using the test data received from the data transmission / reception unit 310. [

In one embodiment, the verification control unit 320 uses the test data to verify whether any one of the plurality of wireless networks supported by the verification target terminal 100 conforms to the standard protocol. Can be controlled. For example, the verification control unit 320 may control the verification unit 330 to verify whether the fourth generation mobile communication among a plurality of wireless networks supported by the verification target terminal 100 conforms to the standard protocol .

The verification unit 330 determines whether the specific wireless network supported by the verification target terminal 100 conforms to the standard protocol under the control of the verification control unit 320. [ The verification unit 330 provides the verification result to the verification control unit 320.

FIG. 4 is a flowchart illustrating an embodiment of a protocol conformance verification method according to the present invention.

Referring to FIG. 4, the protocol conformity verification apparatus 200 compiles a source written in a TTCN-3 core language including a test item to generate an executable file (step S410). The protocol conformity verification apparatus 200 encodes the test data related to the test items included in the executable file so as to conform to the protocols each of the plurality of wireless networks supported by the verification target terminal should conform to (step S420).

The protocol suitability verification apparatus 200 provides the encoded test data to the verification target terminal measurement apparatus connected to the verification target terminal (step S430). The protocol conformity verification apparatus 200 receives response data from the verification target terminal measurement apparatus and decodes the response data (step S440).

The protocol suitability verification apparatus 200 analyzes the decoded response data to generate test result data (step S450). Specifically, the protocol suitability verification apparatus 200 determines whether the specific data included in the response data is present or not, and compares the specific data included in the decoded response data with the comparison data, The test result data can be generated.

Although not shown in FIG. 4, the protocol suitability verification apparatus 200 can display a test result message through a display device, and the user can determine whether the wireless network to be verified is suitable for a standard protocol based on the test result data .

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined by the scope of the appended claims and equivalents thereof.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, Modification is possible. Accordingly, the spirit of the present invention should be understood only in accordance with the following claims, and all equivalents or equivalent variations thereof are included in the scope of the present invention.

100: verification target terminal
200: Protocol conformance verification device
210:
220:
230: encoding section
240: Communication interface
250:
300: terminal device to be verified
310: Data transmission /
320:
330: verification unit

Claims (15)

A verification target terminal supporting a plurality of wireless networks;
A method for testing a plurality of wireless network protocols, the method comprising: generating a test file by compiling a source written in a test and test control notation (TTCN) -core language including a test item to generate an executable file; A protocol conformity verification device that encodes and provides test data corresponding to each test data, receives response data for the test data, and generates test result data; And
Receiving the test data from the protocol conformity verification apparatus and verifying whether any one of a plurality of wireless networks supported by the verification target terminal conforms to a standard protocol, A protocol conformance verification system comprising a verification target terminal measurement device provided to a protocol conformity verification device.
The method according to claim 1,
Each of the plurality of wireless networks
Wherein the protocol conformance verification system is any one of a second generation mobile communication, a third generation mobile communication, a fourth generation mobile communication, Bluetooth, Wi-Fi (Wireless Fidelity), or NFC (Near Field Communication).
The method according to claim 1,
The protocol conformity verification device
And comparing the response data with the reference data to generate the test result data.
The method according to claim 1,
The verification target terminal measurement apparatus
A protocol conformance verification system characterized by verifying that a wireless network corresponding to at least one band of 2.4 GHz of 13.56 MHz, 800 to 900 MHz, or 2.1 GHz meets the standard protocol.
The method according to claim 1,
The protocol conformity verification device
Wherein the verification target terminal is connected to the verification target terminal device and the verification target terminal through any one of GPIB (General Purpose Interface Bus), USB (Universal Serial Bus), RS-232, RS-422 and Ethernet. system.
A compiler section for generating an executable file by compiling a source written in a TTCN (Testing and Test Control Notation) -3 core language including a test item;
A control unit for executing an executable file generated by the compiler module;
An encoding unit configured to encode test data related to the test item included in the executable file so as to conform to protocols to be complied with by each of a plurality of wireless networks supported by a verification target terminal;
A communication interface module for providing the encoded test data to a verification target terminal measurement device connected to a verification target terminal and receiving response data from the verification target terminal measurement device; And
And a decoding unit decoding the response data received through the communication interface module,
Wherein the controller analyzes the response data decoded by the decoding unit and generates test result data.
The method according to claim 6,
Each of the plurality of wireless networks
Wherein the protocol conformance verification apparatus is any one of a second generation mobile communication, a third generation mobile communication, a fourth generation mobile communication, Bluetooth, Wi-Fi (Wireless Fidelity), or NFC (Near Field Communication).
8. The method of claim 7,
The control unit
And compares the response data with the reference data to generate the test result data.
The method according to claim 6,
The verification target terminal measurement apparatus
A protocol conformance verifying apparatus characterized by verifying that a wireless network corresponding to at least one band of 2.4 GHz among 13.56 MHz, 800 to 900 MHz and 2.1 GHz is conforming to a standard protocol.
The method according to claim 6,
The protocol conformity verification device
Wherein the verification unit is connected to the verification target terminal device and the verification target terminal through any one of GPIB (General Purpose Interface Bus), USB (Universal Serial Bus), RS-422, and Ethernet.
A protocol conformance verification method executed in a protocol conformance verification apparatus,
A step of generating an executable file by compiling a source written in a Testing and Test Control Notation (TTCN) -3 core language including a test item;
The test data related to the test item included in the execution file is encoded so as to conform to the protocols that each of the plurality of wireless networks supported by the verification target terminal should obey and provided to the verification target terminal measurement device connected to the verification target terminal step;
Receiving and decoding the response data from the verification target terminal device; And
And analyzing the decoded response data to generate test result data.
12. The method of claim 11,
Each of the plurality of wireless networks
Wherein the protocol conformance verification method is any one of a second generation mobile communication, a third generation mobile communication, a fourth generation mobile communication, Bluetooth, Wi-Fi (Wireless Fidelity), or NFC (Near Field Communication).
12. The method of claim 11,
The step of generating the test result data
And comparing the response data with the reference data to generate the test result data.
12. The method of claim 11,
The verification target terminal measurement apparatus
A method for verifying protocol conformity characterized by verifying that a wireless network corresponding to at least one band of 2.4 GHz of 13.56 MHz, 800 to 900 MHz, or 2.1 GHz is conforming to a standard protocol.
12. The method of claim 11,
Further comprising the step of connecting the verification target terminal measurement device and the verification target terminal through any one of GPIB (General Purpose Interface Bus), USB (Universal Serial Bus), RS-232, RS-422 and Ethernet Protocol conformance verification method.
KR1020130021013A 2013-02-27 2013-02-27 Protocol conformity verification method, apparatus performing the same and systme performing the same KR20140106857A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106100935A (en) * 2016-08-06 2016-11-09 顺德职业技术学院 Charging equipment of electric automobile communication protocol consistency test device and method
KR20180104343A (en) * 2017-03-13 2018-09-21 주식회사 아이티텔레콤 Vehicle to everything communication conforming device
KR20200083214A (en) * 2018-12-28 2020-07-08 한국과학기술원 Dynamic security analysis method for control plane and system therefore
CN112462742A (en) * 2020-11-30 2021-03-09 上海汽车集团股份有限公司 Method for rapidly carrying out national standard data conformance simulation detection on new energy automobile
KR20220063807A (en) * 2020-11-09 2022-05-18 한국전자통신연구원 Apparatus and Method for Testing Industrial Wireless Protocol Robustness
KR102450699B1 (en) * 2021-07-28 2022-10-06 도로교통공단 Automatic measuring method for FM transmitter using ethernet
CN115412473A (en) * 2022-08-30 2022-11-29 云控智行(上海)汽车科技有限公司 Method and terminal for detecting data consistency of intelligent networking broadcast signals in real time for vehicles
KR102485724B1 (en) * 2021-07-28 2023-01-06 도로교통공단 Automatic measuring method for FM transmitter using GPIB

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106100935A (en) * 2016-08-06 2016-11-09 顺德职业技术学院 Charging equipment of electric automobile communication protocol consistency test device and method
KR20180104343A (en) * 2017-03-13 2018-09-21 주식회사 아이티텔레콤 Vehicle to everything communication conforming device
KR20200083214A (en) * 2018-12-28 2020-07-08 한국과학기술원 Dynamic security analysis method for control plane and system therefore
KR20220063807A (en) * 2020-11-09 2022-05-18 한국전자통신연구원 Apparatus and Method for Testing Industrial Wireless Protocol Robustness
CN112462742A (en) * 2020-11-30 2021-03-09 上海汽车集团股份有限公司 Method for rapidly carrying out national standard data conformance simulation detection on new energy automobile
KR102450699B1 (en) * 2021-07-28 2022-10-06 도로교통공단 Automatic measuring method for FM transmitter using ethernet
KR102485724B1 (en) * 2021-07-28 2023-01-06 도로교통공단 Automatic measuring method for FM transmitter using GPIB
CN115412473A (en) * 2022-08-30 2022-11-29 云控智行(上海)汽车科技有限公司 Method and terminal for detecting data consistency of intelligent networking broadcast signals in real time for vehicles
CN115412473B (en) * 2022-08-30 2024-03-29 云控智行(上海)汽车科技有限公司 Method and terminal for detecting data consistency of intelligent internet-connected broadcast signals of vehicles in real time

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