CN101232661B - System and method for testing protocol consistency for base station - Google Patents
System and method for testing protocol consistency for base station Download PDFInfo
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- CN101232661B CN101232661B CN2008100656335A CN200810065633A CN101232661B CN 101232661 B CN101232661 B CN 101232661B CN 2008100656335 A CN2008100656335 A CN 2008100656335A CN 200810065633 A CN200810065633 A CN 200810065633A CN 101232661 B CN101232661 B CN 101232661B
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Abstract
The invention provides a system and a method for executing protocol consistency test to a base station, wherein the system tests the base station in a world interoperable microwave access system based on TTCN-3 to ensure the consistency of a protocol entity realized by the test and the standard regulation regulated by the protocol. The invention adopts a structure constructed by a test background and a foreground proxy to test the base station, including: the test background used for analyzing and executing a coded TTCN-3 test use case and judging the test result, and the foreground proxy used for receiving and sending business data according to the requirements of the test background and sending control information to the base station. The invention realizes the protocol consistency test on the base station without the realization of physical layers such as a radio frequency module, and reduces the cost of the test system and improves the self-reliability of the test system, thereby achieving the purpose of saving cost and increasing the robustness of the test system.
Description
Technical field
The present invention relates to wireless communication field, be specifically related to a kind of system and method the testing protocol consistency for base station in the WIMAX system based on TTCN-3.
Background technology
TTCN-3 (Testing and Test Control Notation Version 3, the test and the test control representation third edition) be a kind of by ETSI (The European Telecommunications StandardsInstitute, Europe communication standard research institute) the international standardized test script language of formulating, and announcement becomes ETSI ES 201 873 series standard files, as a powerful Black-box Testing standard based on responding system, TTCN-3 is widely used among the test of multiple different field and type, especially in the testing protocol consistency (PCT, Protocol Conformance Testing) of the communications field, bringing into play impayable effect.
WiMAX technology (Worldwide Interoperability for Microwave Access, whole world interoperability inserting of microwave) be a broadband wireless access metropolitan area network technology based on IEEE 802.16d/e standard, also can be called IEEE Wireless MAN, its main target provides a kind of under some multivendor environment to multiple spot of metropolitan area network, can carry out the broadband wireless access means of interoperability effectively, the WiMAX system has adopted and the similar network architecture of 3-G (Generation Three mobile communication system), comprise portable terminal (MSS, Mobile Service Subcrible), Access Network (ASN, Access ServiceNetwork), core net (CSN, Core Service Network) and various application server; Wherein, Access Network is used to handle all and wireless relevant function, and core net is handled main data service in the WiMAX system, and the exchange of realization and external network and routing function, and MSS, ASN, CSN and various application server have constituted whole WiMAX system together; BS (Base Station, the base station) refers to radio receiving-transmitting unit in the WIMA system Access Network, comprise RF processing unit and baseband processing unit, major function is spread spectrum, modulation, channel-decoding, also comprises the functions such as mutual conversion of baseband signal and radiofrequency signal.
Testing protocol consistency is a kind of Black-box Testing, it is the test that detects the protocol entity (or system) realized and the matching degree of protocol specification, whether consistent promptly be the tested realization of checking (IUT, ImplementationUnder Test) stipulates means with consensus standard.Usually utilize one group of custom-designed test case, under certain network environment, Black-box Testing is carried out in tested realization,, judge whether tested realization IUT is consistent with protocol description by the similarities and differences that actual output and the expection of more tested realization IUT are exported.
The testing protocol consistency standard comprises three parts: abstract test suite (ATS), agreement realize consistency explanation (PICS) and actualizing additional information (PIXIT), and ets (executive testing suite) (ETS) generates on the basis of above three parts.Wherein, abstract test suite ATS stipulates test purpose, content measurement and the testing procedure of a certain standard agreement, agreement realizes the situation of requirement, ability and option realization that consistency explanation PICS explanation is implemented, and actualizing additional information PIXIT provides test necessary protocol parameter.
Traditional based on TTCN-3 at BS (Base Station, the base station) testing protocol consistency need be write one group of test case that is used for imitating operation flow, cooperate the software and hardware of test macro to realize the emulation portable terminal, send stimulus messages by air interface to base station BS, receive the response message that base station BS returns simultaneously; Test macro also will communicate by network interface with base station BS, and the excitation base station BS initiatively sends message by air interface, to test the operation flow that some is initiatively initiated by base station BS.There is the shortcoming of two aspects in this test macro: at first, the emulation of portable terminal needs the support of complicated software and hardware to realize base band and the two-part function of radio frequency, the R﹠D costs costliness, thus cause testing protocol consistency instrument on the market on price, to be difficult to be accepted by BS manufacturer; Secondly, testing protocol consistency mainly is at the MAC of WIMAX system (Medium Access Control, the medium access control) layer, the introducing that physical layer realizes has not only increased the cost of test macro, and strengthened the unreliability of test macro self, also caused certain difficulty for the problem of finding in the assignment test.
Summary of the invention
The objective of the invention is, the defective that exists at above-mentioned prior art provides a kind of system and method that directly medium access control layer of base station BS is carried out testing protocol consistency based on TTCN-3, to be implemented under the situation that physical layers such as not having radio-frequency module realizes base station BS is carried out testing protocol consistency, thereby reach the purpose of saving cost and increasing the robustness of test macro.
Technical scheme of the present invention is as follows:
A kind of system to testing protocol consistency for base station tests the base station in the global interoperability inserting of microwave system based on test and test control representation, wherein, comprising:
Test background is used to resolve the test case of described test that execution compiled and test control representation and judges test result;
Foreground agency, be used for according to described test background require the transmitting and receiving service data, and send control information to described base station;
Wherein, described test background comprises: use-case scheduled for executing device is used to read and resolve the described test case file of the testing protocol consistency that has compiled;
Codec is used for described test case file is carried out Code And Decode;
The system under test (SUT) adapter is used to receive the data that come from described use-case scheduled for executing device and sends to the communication customer end module, receives the information of returning from the data service processing module simultaneously, returns to described use-case scheduled for executing device after processing;
The communication customer end module is used for the test data of contact and control information encapsulates and decapsulation, finishes the data transmission between the agency of described test background and described foreground;
Platform adapter is used for according to received control information, calls Local Control Module and the communication customer end module is finished the control corresponding function;
Local Control Module is used for carry out the operation of appointment to given data;
Described foreground the agency comprise: communication service end module, be connected with described communication customer end module by signal, and be used to accept data from described client, cooperate the transmission of finishing data jointly with described communication customer end module;
Remote control module is used for according to the control information that receives, the action of control data Service Processing Module, and control the action of described base station by sending message;
The data service processing module is used for accepting the control of described remote control module to described base station transmitted test data, and the return information from described base station is reported.
Described system, wherein, described test background is connected by Ethernet with described foreground agency.
Described system, wherein, described test background runs on the PC.
Described system, wherein, described test background also can be used on the private server.
Described system, wherein, described foreground agency runs on the embedded environment of veneer, is electrically connected with described base station.
A kind of method of utilizing said system to testing protocol consistency for base station, the structure that adopts test background and foreground to act on behalf of institute's framework comes described base station is tested, and comprises the steps:
Use-case scheduled for executing device in A, the described test background is resolved and is carried out the TTCN-3 test case that has compiled, test post is processed and is encapsulated the back and send to communication service end module among the described foreground agency by the communication customer end module by Ethernet;
Communication service end module among the agency of B, described foreground requires the transmitting and receiving service data according to described test background, the described test post that is sent is carried out sending to remote control module after the decapsulation, remote control module is resolved control command and the parameter that comprises in the message, sends control information to described base station;
C, described base station feed back to described foreground agency with response message, and described response message sends to described test background by communication service end module by Ethernet through described foreground agency's filtration and encapsulation;
D, described test background are carried out decapsulation to the message of receiving, and described response message judged provide test result;
E, described base station initiatively send message to described foreground agency, and described foreground agency filters and encapsulates the message of receiving according to default parameter, sends to described test background by Ethernet;
F, described test background are carried out decapsulation to the message of receiving, and described message judged provide test result.
A kind of system and method provided by the present invention to the testing protocol consistency for base station in the WIMAX system based on TTCN-3, the structure that the present invention adopts test background and foreground to act on behalf of institute's framework comes system under test (SUT) (base station) is tested, realized under the situation that physical layers such as not having radio-frequency module realizes, base station BS being carried out testing protocol consistency, reduce the reliability of the cost and the increasing test macro self of test macro, reached the purpose of saving cost and increasing the robustness of test macro.
Description of drawings
Fig. 1 is a system architecture design drawing of the present invention;
Fig. 2 is a system works flow process schematic diagram of the present invention.
Embodiment
The invention provides a kind of concrete system and method to the testing protocol consistency for base station in the WIMAX system based on TTCN-3, for making purpose of the present invention, technical scheme and advantage clearer, clear and definite, below develop simultaneously with reference to accompanying drawing that the present invention is described in more detail for embodiment.
In order to solve existing cost of testing system and reliability problems in the testing protocol consistency process, the structure that the present invention has adopted test background and foreground to act on behalf of institute's framework is come system under test (SUT) (SUT, System Under Test), it is the method that the base station is tested, it comprises: the first step, test background is resolved and is carried out the TTCN-3 test case that has compiled, test post is processed and encapsulated by Ethernet to send to the foreground agency of institute; Foreground agency requires the transmitting and receiving service data according to test background, the described test post that is sent is carried out decapsulation, and send control information to system under test (SUT) (base station); In second step, system under test (SUT) (base station) feeds back to the foreground agency with response message, and described response message sends to test background through described foreground agency's filtration and encapsulation by Ethernet; Test background is carried out decapsulation to the message of receiving, and described response message judged provides test result; The 3rd step, system under test (SUT) (base station) also can initiatively send message to the foreground agency, the foreground agency filter and encapsulate the message of receiving according to default parameter, send to test background by Ethernet, test background is carried out decapsulation to the message of receiving, and described message judged provides test result.
The present invention has adopted the system to testing protocol consistency for base station of being used for as shown in Figure 1 according to this method, this system is based on TTCN-3 the system under test (SUT) (base station) in the global interoperability inserting of microwave system is tested, it is consistent with the standard code of protocol specification to guarantee to detect the protocol entity of being realized, comprise: test background and foreground agency, wherein, test background runs on the common PC, in order to improve the response speed of test background, also it can be deployed on the special-purpose server, test background is used to resolve the TTCN-3 test case that execution compiled and judges test result; The foreground agency run on the embedded environment of veneer, foreground agency, be used for according to described test background require the transmitting and receiving service data, and send control information to system under test (SUT) (base station), test background is connected by Ethernet with the foreground agency, and the foreground agency be connected with system under test (SUT) (base station).The editor and the special third party's development environment of compiling needs that are used for the TTCN-3 script of testing protocol consistency, TTCN-3 use-case scheduled for executing device be with the compiling after test case file as input, the watch window of a test execution platform and test result is provided for the user.
Test background comprises with lower module: TTCN-3 use-case scheduled for executing device, codec, platform adapter, SUT adapter, Local Control Module, communication customer end module.
Wherein, TTCN-3 use-case scheduled for executing device, with codec, platform adapter, the SUT adapter links to each other, be used to read and resolve the TTCN-3 test case file that is used for testing protocol consistency that has compiled, calling encoder encodes to the data of the TTCN-3 type in the use-case, according to the test data of analysis result after the SUT adapter sends coding, control information after platform controller sends coding, receive the feedback of SUT adapter and platform adapter, call decoder feedback information is decoded as the data of TTCN-3 type, judge the test result of current use-case and generate test report;
Codec, the digital coding that is used for given TTCN-3 type is the code stream of specified format, with the data of given code stream decoding for appointment TTCN-3 type;
Platform adapter, link to each other with TTCN-3 use-case scheduled for executing device, Local Control Module, communication customer end mould, be used for according to the control information that receives, call Local Control Module and finish corresponding action, perhaps the calling communication client modules sends to remote control module with control information and finishes the control corresponding function;
The SUT adapter, link to each other with TTCN-3 use-case scheduled for executing device, communication customer end mould, the data that are used for receiving are processed as the form that BS can discern, the calling communication client modules sends to the data service processing module, receive the information of returning from the data service processing module simultaneously, return to TTCN-3 use-case scheduled for executing device after processing;
Local Control Module is used for carrying out the operation of appointment to given data, as: encrypt, deciphering, calculate digital signature etc.;
The communication customer end module, link to each other with platform adapter, SUT adapter, by TCP/IP (Transmit Control Protocol/Internet Protocol, transmission control protocol/Internet protocol) is connected with communication service end module, to the test data of contact with control information encapsulates and decapsulation, finish the data transparency transmission between the agency of test background and foreground.
The foreground agency also comprise with lower module: communication service end module, remote control module, data service processing module.
Wherein, communication service end mould is determined, link to each other with remote control module, data service processing module, and be connected with communication service end module in the test background by TCP/IP, the TCP/IP that is used to accept from client connects, and cooperates the transparent transmission of finishing data jointly with the communication customer end module.
Remote control module links to each other according to the control information of receiving with communication service end module, data service processing module and with system under test (SUT) (base station), and the action of control data Service Processing Module is perhaps controlled the action of BS by sending message.
Described data service processing module, link to each other with communication service end module, remote control module and with system under test (SUT) (base station), to system under test (SUT) (base station) transmitted test data, accept the control of remote control module, the return information from system under test (SUT) (base station) is carried out with good conditionsi reporting.
In measuring executing process, codec provides means for the data of TTCN-3 type and the conversion between the specified format code stream; Platform adapter depends on Local Control Module and remote control module, for script provides the ability of controlling external environment condition, comprises the support, control system under test (SUT) (base station) BS and the control data Service Processing Module that obtain local algorithm; The SUT adapter then can be processed the code stream that defines in the script, sends to system under test (SUT) then, also can process the code stream that system under test (SUT) returns, and reports TTCN-3 scheduled for executing module again.Communication customer end module and communication service end module cooperate, and have shielded the difference of AM/BAM communication mode, for the transmission of data provides a plurality of parallel information interaction passage; The data service module is controlled by remote control module, can the code stream that the foreground sends to the backstage be screened.
Fig. 2 is a system works flow process schematic diagram of the present invention, is described in detail referring to 2 pairs of each series of steps of accompanying drawing, wherein:
Step 1.x series has defined the flow path switch of the data of TTCN-3 type to the specified format code stream; In step 1.1, TTCN-3 use-case scheduled for executing device will need the data of the TTCN-3 type changed to send to encoder; In step 1.2, the code stream of the specified format after encoder is finished coding returns to TTCN-3 use-case scheduled for executing device.
Step 2.x series has defined the flow path switch of specified format code stream to the TTCN-3 categorical data; In step 2.1, TTCN-3 use-case scheduled for executing device sends to decoder with the code stream of specified format; In step 2.2, decoder is converted to the data of TTCN-3 type with code stream, and returns to TTCN-3 use-case scheduled for executing device.
Step 3.x series has defined the flow process of control home environment; In step 3.1, TTCN-3 use-case scheduled for executing device sends local control request to platform adapter, and in step 3.2, platform adapter is processed parameter information according to the control request type that receives, and is transmitted to Local Control Module then; In step 3.3, Local Control Module is finished the action of appointment according to parameter, returns the message of sign execution result and gives platform adapter, and in step 3.4, platform adapter reports TTCN-3 use-case scheduled for executing device with the executing result message of receiving.
Step 4.x series has defined the flow process of control business data processing module; In step 4.1, TTCN-3 use-case scheduled for executing device sends teledata screening request to platform adapter; In step 4.2, platform adapter is processed parameter information according to the control request type that receives, and is transmitted to the communication customer end module then; In step 4.3, the communication customer end module encapsulates the message of receiving, sends to communication service end module by Ethernet; In step 4.4, communication service end module is carried out decapsulation to the message that the backstage sends, and sends to remote control module; In step 4.5, remote control module is resolved control command and the parameter thereof in the message, sends instruction to the data service processing module, indicates it that message that receives is screened; In step 4.6, the data service processing module is returned the message that identification parameter is provided with the result to remote control module; In step 4.7, remote control module sends to communication service end module with executing result message; In step 4.8, communication service end module encapsulates executing result message, sends to the communication customer end module by Ethernet; In step 4.9, the communication customer end module is carried out decapsulation to message, returns to platform adapter then; In step 4.10, platform adapter reports TTCN-3 use-case scheduled for executing device with the executing result message of receiving.
Step 5.x series has defined the flow process of control BS action; In step 5.1, TTCN-3 use-case scheduled for executing device sends long-range system under test (SUT) (base station) BS control request to platform adapter; In step 5.2, platform adapter is processed parameter information according to the control request type that receives, and is transmitted to the communication customer end module then; In step 5.3, the communication customer end module encapsulates the message of receiving, sends to communication service end module by Ethernet; In step 5.4, communication service end module is carried out decapsulation to the message that the backstage sends, and sends to remote control module; In step 5.5, the control command in the remote control module parsing message is parameter extremely, sends message by the flow process of arranging to system under test (SUT) (base station) BS, triggers the action of base station BS; In step 5.6, remote control module is finished the control of base station BS, and executing result message is sent to communication service end module; In step 5.7, communication service end module encapsulates executing result message, sends to the communication customer end module by Ethernet, and in step 5.8, the communication customer end module is carried out decapsulation to message, returns to platform adapter then; In step 5.9, platform adapter reports TTCN-3 use-case scheduled for executing device with the executing result message of receiving.
Step 6.x series has defined by TTCN-3 use-case scheduled for executing device and has sent test data and obtain the flow process that base station BS responds; In step 6.1, TTCN-3 use-case scheduled for executing device sends test post to the SUT adapter; In step 6.2, the SUT adapter carries out necessary processing according to the type of message to message, sends to the communication customer end module then; In step 6.3, the communication customer end module encapsulates message, sends to communication service end module by Ethernet; In step 6.4, communication service end module is carried out decapsulation to the message that the backstage sends, and sends to the data service processing module; In step 6.5, data processing module sends to base station BS with message; In step 6.6, the data service processing module is received the response message of base station BS; In step 6.7, the data service processing module is filtered the message of receiving according to default parameter, returns to communication service end module then; In step 6.8, communication service end module encapsulates the message of returning, and sends to the communication customer end module by Ethernet; In step 6.9, the communication customer end module is carried out decapsulation to the message of receiving, returns to the SUT adapter; In step 6.10, the SUT adapter reports TTCN-3 use-case scheduled for executing device with response message, and TTCN-3 use-case scheduled for executing device will be judged response message, provide test result then.
Step 7.x series has defined the handling process of base station BS active to TTCN-3 use-case scheduled for executing device transmission message; In step 7.1, BS initiatively sends message to the data service processing module; In step 7.2, the data service processing module is filtered the message of receiving according to default parameter, and the information reporting after will filtering then is to communication service end module; In step 7.3, communication service end module encapsulates the message that reports, and sends to the communication customer end module by Ethernet; In step 7.4, the communication customer end module is carried out decapsulation to the message of receiving, reports the SUT adapter; In step 7.5, the SUT adapter is given TTCN-3 use-case scheduled for executing device with information reporting, and TTCN-3 use-case scheduled for executing device will be judged the message of receiving, provide test result then.
It should be noted that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (6)
1. system to testing protocol consistency for base station tests the base station in the global interoperability inserting of microwave system based on test and test control representation, it is characterized in that, comprising:
Test background is used to resolve the test case of described test that execution compiled and test control representation and judges test result;
Foreground agency, be used for according to described test background require the transmitting and receiving service data, and send control information to described base station;
Wherein, described test background comprises:
Use-case scheduled for executing device is used to read and resolve the described test case file of the testing protocol consistency that has compiled;
Codec is used for described test case file is carried out Code And Decode;
The system under test (SUT) adapter is used to receive the data that come from described use-case scheduled for executing device and sends to the communication customer end module, receives the information of returning from the data service processing module simultaneously, returns to described use-case scheduled for executing device after processing;
The communication customer end module is used for the test data of contact and control information encapsulates and decapsulation, finishes the data transmission between the agency of described test background and described foreground;
Platform adapter is used for according to received control information, calls Local Control Module and the communication customer end module is finished the control corresponding function;
Local Control Module is used for carry out the operation of appointment to given data;
Described foreground agency comprises:
Communication service end module is connected with described communication customer end module by signal, is used to accept the data from described client, cooperates the transmission of finishing data jointly with described communication customer end module;
Remote control module is used for according to the control information that receives, the action of control data Service Processing Module, and control the action of described base station by sending message;
The data service processing module is used for accepting the control of described remote control module to described base station transmitted test data, and the return information from described base station is reported.
2. system according to claim 1 is characterized in that, described test background is connected by Ethernet with described foreground agency.
3. system according to claim 2 is characterized in that described test background runs on the PC.
4. system according to claim 3 is characterized in that described test background also can be used on the private server.
5. system according to claim 4 is characterized in that, described foreground agency runs on the embedded environment of veneer, is electrically connected with described base station.
6. method of utilizing the described system of claim 1 to testing protocol consistency for base station, the structure that adopts test background and foreground to act on behalf of institute's framework comes described base station is tested, and comprises the steps:
Use-case scheduled for executing device in A, the described test background is resolved and is carried out the TTCN-3 test case that has compiled, test post is processed and is encapsulated the back and send to communication service end module among the described foreground agency by the communication customer end module by Ethernet;
Communication service end module among the agency of B, described foreground requires the transmitting and receiving service data according to described test background, the described test post that is sent is carried out sending to remote control module after the decapsulation, remote control module is resolved control command and the parameter that comprises in the message, sends control information to described base station;
C, described base station feed back to described foreground agency with response message, and described response message sends to described test background by communication service end module by Ethernet through described foreground agency's filtration and encapsulation;
D, described test background are carried out decapsulation to the message of receiving, and described response message judged provide test result;
E, described base station initiatively send message to described foreground agency, and described foreground agency filters and encapsulates the message of receiving according to default parameter, sends to described test background by Ethernet;
F, described test background are carried out decapsulation to the message of receiving, and described message judged provide test result.
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| CN101808356B (en) * | 2010-04-20 | 2013-04-17 | 工业和信息化部电信传输研究所 | Protocol simulation system for TD-SCDMA terminal protocol conformance tests |
| CN102316505A (en) * | 2010-07-01 | 2012-01-11 | 中兴通讯股份有限公司 | Air interface protocol test method, device and system for base station |
| CN102098668B (en) * | 2010-12-20 | 2012-11-07 | 西安西电捷通无线网络通信股份有限公司 | Detecting system and method for realizing negative test on robustness in WAPI (Wireless LAN Authentication and Privacy Infrastructure) equipment protocol |
| CN103368671B (en) * | 2013-07-10 | 2015-04-15 | 工业和信息化部电信传输研究所 | Terminal test system, test adapter and using method thereof |
| CN103368673B (en) * | 2013-07-17 | 2015-04-15 | 工业和信息化部电信传输研究所 | Conformance testing adapter based on TTCN-3 |
| CN103391291A (en) * | 2013-07-18 | 2013-11-13 | 工业和信息化部电信传输研究所 | Codec based on terminal consistency testing system and coding and decoding method |
| CN103648110B (en) * | 2013-12-11 | 2017-02-15 | 国家无线电监测中心检测中心 | Method for testing TETRA digital trunked air interface protocol and system thereof |
| CN103778058B (en) * | 2013-12-11 | 2017-02-15 | 国家无线电监测中心检测中心 | TETRA digital trunked air interface test method and system based on TTCN-3 |
| CN103780455B (en) * | 2013-12-11 | 2017-05-03 | 国家无线电监测中心检测中心 | TETRA digit cluster protocol test method and system based on TTCN-3 |
| CN104579837A (en) * | 2015-01-05 | 2015-04-29 | 北京邮电大学 | Method and system for performing conformance testing on OpenFlow protocols |
| CN110266554B (en) * | 2018-08-02 | 2022-10-28 | 青岛威孚测通信息科技有限公司 | Testing method of private communication protocol |
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| CN1809200A (en) * | 2005-01-19 | 2006-07-26 | 华为技术有限公司 | Automatic performance test system for heavy traffic environment |
| CN101035346A (en) * | 2006-03-06 | 2007-09-12 | 中兴通讯股份有限公司 | Method and device for large traffic simulation test of packet data service |
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| CN101232661A (en) | 2008-07-30 |
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