CN103781086B - TTCN-3-based method and apparatus for testing a TETRA terminal - Google Patents
TTCN-3-based method and apparatus for testing a TETRA terminal Download PDFInfo
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- CN103781086B CN103781086B CN201310676143.XA CN201310676143A CN103781086B CN 103781086 B CN103781086 B CN 103781086B CN 201310676143 A CN201310676143 A CN 201310676143A CN 103781086 B CN103781086 B CN 103781086B
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Abstract
The embodiments of the invention provide a TTCN-3-based method and apparatus for testing a TETRA terminal. The method mainly comprises the following steps: arranging a port filtering unit in a TRI in a TTCN-3 test system, storing AT instruction sets respectively supported by TETRA terminals of various types in the port filtering unit, the port filtering unit monitoring AT instructions interacted between the TETRA terminals and the TTCN-3 test system, and according to the types of the TETRA terminals for sending or receiving AT instructions and the stored AT instruction sets respectively supported by the TETRA terminals of the various types, modifying the AT instructions. According to the embodiments of the invention, the TTCN-3 test system can interact with different TETRA terminals through standard AT instructions without taking into consideration the differences of the AT instruction sets supported by the TETRA terminals produced by different manufacturers, and the complexity and difficulty of testing the TETRA terminals by the TTCN-3 test system are reduced.
Description
Technical field
The present invention relates to terminal test technical field, more particularly to one kind is tested TETRA terminals based on TTCN-3
Method and apparatus.
Background technology
TTCN（Testing and Test Control Notation, test and testing and control representation）Be one by
ETSI（European Telecommunications Standards Institute, ETSI）Safeguard
Globally applicable standard testing script.Its third generation standard TTCN-3 is a modern times and flexible language, is passed through
Extensive interface can describe perhaps eurypalynous system testing.The typical applications of TTCN-3 are system testing, interactivity survey
Examination, protocol test, operational trials, module testing etc., the platform independence of TTCN-3 and its special power of test cause its quilt
It is widely used in defining the official testing collection of communication system.
At present, a kind of overall structure diagram of TTCN-3 test systems as shown in figure 1, in FIG, TM（Test
Management, test and management）The holistic management of responsible test system, after test system initialization, TM entities are responsible for calling
Other modules are being tested.
TL（Test Logging, test log）The daily record produced in responsible maintenance test, for recording the TE of TTCN-3
（TTCN-3 Executable, TTCN-3 can perform entity）The test event of middle generation.It has one unidirectional to connect and between TE
Mouthful, TE can send log request by the interface to TL.
CD（Coding and Decoding, encoding and decoding）It is responsible for carrying out coding-decoding operation to data in outside, TE can also
Built-in codec functions, but the CD of outside has standardized interface so as to can easily transplant in different TTCN-3 systems
System and instrument, improve durability.
CH（Component Handling, component process）It is responsible for the parallel test suite of distribution, for distributed survey
Test system.SA（System Under Test Adapter, system under test (SUT) adapter）It is responsible for produce TTCN-3 test systems
Message and the instruction morphing form to be recognized by system under test (SUT), as the medium communicated between test system and system under test (SUT).
PA（Platform Adapter, platform adapter）TE is adapted to specifically to perform platform.
TRI（Interface when TTCN-3 Runtime Interface, TTCN-3 run）Define the friendship between TE, SA and PA
Mutually, it provides the method for sending data, the data that reception is sent from system under test (SUT) and management timer to system under test (SUT) for TE.
In actual test, TTCN-3 test systems are required to be communicated with system under test (SUT), control system under test (SUT)
Behavior, execution testing procedure, and the state of system under test (SUT) is read, whether expection is met with the result of validation test.Can by Fig. 1
See, system under test (SUT) is joined directly together with the SA in TTCN-3 test systems, SA realizes that data are passed between test system and system under test (SUT)
Defeated adaptation, by from the data is activation of TE to system under test (SUT), and system under test (SUT) return respond when notify TE be read out.SA
Interacting between TE is carried out by TRI, and the data between SA and TE all can be transmitted via TRI.
TETRA（Terrestrial Trunked Radio, TErrestrial TRunked Radio, old Trans European
Trunked Radio, pan-European trunked radio）Digital packet terminal should possess PEI（Peripheral Equipment
Interface, external data interface）, to provide TETRA terminals to data terminal（Such as PC）Connection, make external number
The business of TETRA networks offer can be accessed according to equipment.Entered by a set of special instruction set between TETRA terminals and data terminal
Row interaction, i.e. AT instructions.AT instructions are a set of instruction set defined between terminal device and terminal adapter, are generally used for terminal
Communication between equipment and data terminal.
TETRA terminals are realized and test system by being connected with the serial ports of the computer of operation TTCN-3 test systems
Connection, enables TTCN-3 test systems to instruct the behavior of control TETRA terminals by AT, and obtains the state of TETRA terminals.
When TTCN-3 test systems are wished to TETRA terminals transmission data, data are produced according to the TTCN-3 scripts for being run by TE, led to
The serial ports for crossing SA Jing computers is sent to TETRA terminals；TETRA terminals to test system send data when, terminal is by data Jing
Serial ports is sent to SA, and SA is received after data, notifies TE data readies.
A kind of use TTCN-3 test systems of the prior art are to the method that TETRA terminals are tested：Using
When TTCN-3 test systems are tested TETRA terminals, test system is connected using serial ports with the PEI of tested TETRA terminals
Connect, interacted with tested TETRA terminals using AT command set.TTCN-3 test systems can pass through to run TTCN-3 scripts,
AT instructions are sent from serial ports to the PEI of tested TETRA terminals, to be controlled to the behavior of terminal so that test can be according to
The testing process designed in TTCN-3 scripts is carried out automatically.TTCN-3 scripts can also pass through serial ports to tested TETRA terminals
The AT instructions for sending over are analyzed, and obtain the state of tested TETRA terminals, verify what each test action and step were performed
As a result expectation whether is met.
The shortcoming of the method that above-mentioned use TTCN-3 test systems of the prior art are tested TETRA terminals is：
Find in actual test, although ETSI is it has been specified that the specification of the AT command set of TETRA terminals, but actually distinct manufacture
The AT command set that the TETRA terminals of business's production are supported often has differences, therefore it is same to control different TETRA terminals execution
Item operation, it may be necessary to just can be completed using different instructions.Operating personnel are it should be understood that the AT that supported of difference TETRA terminals
Various TETRA terminals could correctly be operated by the various difference conditions of instruction set by different AT instructions, be increased
The complexity tested TETRA terminals, the method depends on the artificial operation of operator.
The content of the invention
The embodiment provides a kind of TETRA terminals are tested method and apparatus based on TTCN-3, with
Reduce the complexity that TTCN-3 test systems are tested TETRA terminals.
A kind of TETRA terminals are tested method based on TTCN-3, including：
Ports filter unit is set in the TRI in TTCN-3 test systems, stores each in the ports filter unit
The AT command set that the TETRA terminals of type are supported respectively；
AT instruction of the ports filter unit to interaction between TETRA terminals and TTCN-3 test systems is monitored,
According to the type and various types of TETRA terminals institutes of the storage that send or receive the TETRA terminals that the AT is instructed
The AT command set supported respectively, modifies to AT instructions.
Ports filter unit is set in the described TRI in TTCN-3 test systems, in the ports filter unit
The AT command set that various types of TETRA terminals are supported respectively is stored, including：
Port is set in the TRI between system under test (SUT) adapter SA and executable entity TE in TTCN-3 test systems
Filter element, the ports filter unit includes that subelement, AT instruction modification subelements, TETRA terminal types are monitored in AT instructions
Identification subelement and memory, store in which memory the AT command set that various types of TETRA terminals are supported respectively,
And the difference letter between the standard AT command set supported of the AT command set supported respectively of various TETRA terminals and the TE
Breath.
Described different information includes：The difference of AT order parameter forms, the difference of AT instruction numbers, AT instruction types
Difference.
AT instruction of the described ports filter unit to interaction between TETRA terminals and TTCN-3 test systems is supervised
Listen, according to the type and various types of TETRA terminals of the storage that send or receive the TETRA terminals that the AT is instructed
The AT command set supported respectively, modifies to AT instructions, including：
The AT that subelement is sent to TE to the TETRA terminals by SA is monitored in AT instructions in the ports filter unit
Instruction is monitored, and the AT for listening to instructions are sent to into TETRA terminal types identification subelement, the TETRA terminal types
Identification subelement obtains the source port information of the AT instructions, and according to the source port acquisition of information AT instructions are sent
The type information of TETRA terminals, by the type information the AT instruction modifications subelement is sent to；
The AT instruction modifications subelement is stored according to the type information of the TETRA terminals, and in the memory
The AT command set supported of the TETRA terminals and the standard AT command sets supported of the TE between different information, it is right
The AT instructions for listening to are modified, and make amended AT instructions meet the standard AT command set that the TE is supported.
AT instruction of the described ports filter unit to interaction between TETRA terminals and TTCN-3 test systems is supervised
Listen, according to the type and various types of TETRA terminals of the storage that send or receive the TETRA terminals that the AT is instructed
The AT command set supported respectively, modifies to AT instructions, including：
AT instructions in the ports filter unit are monitored subelement and are sent to the TETRA terminals by SA to the TE
AT instruction monitored, by the AT for listening to instruction be sent to TETRA terminal types identification subelement, the TETRA terminals
Type identification subelement obtains the destination interface information of the AT instructions, receives the AT according to the destination interface acquisition of information and refers to
The type information of the TETRA terminals of order, by the type information the AT instruction modifications subelement is sent to；
The AT instruction modifications subelement is stored according to the type information of the TETRA terminals, and in the memory
The AT command set supported of the TETRA terminals and the standard AT command sets supported of the TE between different information, it is right
The AT instructions for listening to are modified, and make amended AT instructions meet the AT command set that the TETRA terminals are supported.
A kind of device tested TETRA terminals based on TTCN-3, the device is arranged in TTCN-3 test systems
TRI in, the AT command set that various types of TETRA terminals are supported respectively is stored in described device；
AT instruction of the described device to interaction between TETRA terminals and TTCN-3 test systems is monitored, according to transmission
Or the type of TETRA terminals and various types of TETRA terminals of the storage of the reception AT instructions are supported respectively
AT command set, to the AT instruction modify.
Described device is arranged between the system under test (SUT) adapter SA in TTCN-3 test systems and executable entity TE
TRI in, including：Subelement, TETRA terminal types identification subelement, AT instruction modifications subelement and storage are monitored in AT instructions
Device,
Described memory is for storing the AT command set that various types of TETRA terminals are supported respectively and various
Different information between the standard AT command set that the AT command set and the TE that TETRA terminals are supported respectively is supported.
Subelement is monitored in described AT instructions, for being carried out by the AT instructions that SA is sent to TE to the TETRA terminals
Monitor, the AT for listening to instructions are sent to into TETRA terminal types identification subelement；
Described TETRA terminal types identification subelement, for obtaining the source port information of the AT instructions, according to this
Source port acquisition of information sends the type information of the TETRA terminals of the AT instructions, and the type information is sent to into the AT
Instruction modification subelement；
Described AT instruction modification subelements, for according to the type information of the TETRA terminals, and the memory
Difference letter between the standard AT command set that the AT command set and the TE that the TETRA terminals of middle storage are supported is supported
Breath, modifies to the AT instructions for listening to, and makes amended AT instructions meet the standard AT instruction that the TE is supported
Collection.
Subelement is monitored in described AT instructions, for being sent to the AT instructions of the TETRA terminals by SA to the TE
Monitored, the AT for listening to instructions are sent to into TETRA terminal types identification subelement；
Described TETRA terminal types identification subelement, for obtaining the destination interface information of the AT instructions, according to this
Destination interface acquisition of information receives the type information of the TETRA terminals of the AT instructions, and the type information is sent to into the AT
Instruction modification subelement；
Described AT instruction modification subelements, for according to the type information of the TETRA terminals, and the memory
Difference letter between the standard AT command set that the AT command set and the TE that the TETRA terminals of middle storage are supported is supported
Breath, the AT instructions listened to described are modified, and are made amended AT instructions meet the AT that the TETRA terminals are supported and are referred to
Order collection.
The technical scheme provided by embodiments of the invention described above can be seen that the embodiment of the present invention by surveying in TTCN-3
Ports filter unit is set in the TRI in test system, and the ports filter unit is distinguished according to the various TETRA terminals of storage
Different information between the standard AT command set that the AT command set of support and the TE are supported, to the data transmitted between SA and TE
Monitored and changed, so as to reach the purpose for eliminating TETRA terminal differences.TTCN-3 test systems are enable to pass through standard AT
The behavior to different TETRA terminals is instructed to be controlled, without considering that the TETRA terminals of different manufacturer's productions support AT
The difference of instruction set, reduces complexity and difficulty that TTCN-3 test systems are tested TETRA terminals.
Description of the drawings
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below will be to use needed for embodiment description
Accompanying drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this
For the those of ordinary skill of field, without having to pay creative labor, can be obtaining other according to these accompanying drawings
Accompanying drawing.
Fig. 1 is a kind of overall structure diagram of TTCN-3 test systems of the prior art；
Fig. 2 is a kind of place of method tested TETRA terminals based on TTCN-3 that the embodiment of the present invention one is provided
Reason flow chart；
Fig. 3 is that the TE in a kind of test system to TTCN-3 that the embodiment of the present invention two is provided is sent to TETRA terminals
The process chart of the method that AT instructions are processed；
Fig. 4 is a kind of TE's being sent to TETRA terminals in TTCN-3 test systems that the embodiment of the present invention three is provided
The process chart of the method that AT instructions are processed；
Fig. 5 is a kind of tool of device tested TETRA terminals based on TTCN-3 that the embodiment of the present invention four is provided
Body realizes structure chart.
Specific embodiment
For ease of the understanding to the embodiment of the present invention, do by taking several specific embodiments as an example further below in conjunction with accompanying drawing
Explanation, and each embodiment does not constitute the restriction to the embodiment of the present invention.
Embodiment one
The embodiment of the present invention by the TRI in TTCN-3 test systems arrange ports filter unit, in the port
Store in filter element standard AT command set that the AT command set that various TETRA terminals support respectively supported with the TE it
Between different information, the ports filter unit monitored and changed to the data transmitted between SA and TE, reaches elimination TETRA
The purpose of terminal difference.
Embodiment provides a kind of handling process such as Fig. 2 institutes of method tested TETRA terminals based on TTCN-3
Show, including following process step：
Ports filter unit is set in step 21, the TRI in TTCN-3 test systems, is stored in ports filter unit
The AT command set that various types of TETRA terminals are supported respectively.
The TETRA terminals of different manufacturer's productions support that the otherness between AT command set mainly has following several feelings
Condition：
（1）The difference of AT order parameter forms
In the AT command set that the TETRA terminals of different manufacturer's productions are supported, same instruction is deposited on parameter format
In difference.Such as in order to carry out identical configuration to TETRA terminals, the number of parameters of the AT instructions required by different TETRA terminals
May be not quite similar with meaning.For example, when short data service is tested, need to be instructed come to TETRA using " AT+CTSP "
Terminal carries out the Initialize installation of short data service, required for the TETRA terminals of MOTOROLA and SEPURA Liang Ge manufacturers
The order parameter for using is " AT+CTSP=1,3,130 "；And identical configuration is carried out, the TETRA demanding terminals of EADS productions
Instruct as " AT+CTSP=1,2 ".
（2）The difference of AT instruction numbers
In the AT command set that the TETRA terminals of different manufacturer's productions are supported, realize that identical function is instructed using AT
Quantity have differences.Such as after short data is sent, TETRA terminals can send "+CMGS " and refer to TTCN-3 test systems
Show the state that short data sends, for the TETRA terminals of MOTOROLA productions, instructed using two "+CMGS " altogether；For
The TETRA terminals of SEPURA productions, are instructed altogether using three "+CMGS "；And for the TETRA terminals of EADS productions, only use
One "+CMGS " is instructed.
（3）The difference of AT instruction types
In the AT command set that the TETRA terminals of different manufacturer's productions are supported, there are some exclusive instructions.Such as EADS
Terminal exclusive " AT+CMGF " is instructed, when the dependence test of short data is carried out using its TETRA terminal, in addition it is also necessary to extra to send
Instruction " AT+CMGF=7 " arranges mobile station for PEI patterns, the testing procedure after being just smoothed out.
And it is the AT command set of standard that TE in TTCN-3 test systems is supported, if the TE in TTCN-3 test systems
To identical testing procedure for all of TETRA terminals only using the instruction of unique standard AT, then for not supporting the standard
The TETRA terminals of AT instructions, test just cannot go on.
Ports filter unit, institute are set in the TRI between TE and SA of the embodiment of the present invention in TTCN-3 test systems
State ports filter unit including AT instruction monitor subelement, AT instruction modification subelements, TETRA terminal types identification subelement and
Memory, stores in which memory the AT command set that various types of TETRA terminals are supported respectively, and various
Different information between the standard AT command set that the AT command set and the TE that TETRA terminals are supported respectively is supported.
The AT instructions of step 22, ports filter unit to interaction between TETRA terminals and TTCN-3 test systems are supervised
Listen, according to the type and various types of TETRA terminals of the storage that send or receive the TETRA terminals that the AT is instructed
The AT command set supported respectively, modifies to AT instructions.
The AT that subelement is sent to TE to the TETRA terminals by SA is monitored in AT instructions in the ports filter unit
Instruction is monitored, and the AT for listening to instructions are sent to into TETRA terminal types identification subelement, the TETRA terminal types
Identification subelement obtains the source port information of the AT instructions, and according to the source port acquisition of information AT instructions are sent
The type information of TETRA terminals, by the type information the AT instruction modifications subelement is sent to.AT instruction modifications is single
Unit is according to the type information of the TETRA terminals, and the AT that the TETRA terminals stored in the memory are supported refers to
Different information between the standard AT command set that order collection and the TE are supported, modifies to the AT instructions for listening to,
Amended AT instructions are made to meet the standard AT command set that the TE is supported.
AT instructions in the ports filter unit are monitored subelement and are sent to the TETRA terminals by SA to the TE
AT instruction monitored, by the AT for listening to instruction be sent to TETRA terminal types identification subelement, the TETRA terminals
Type identification subelement obtains the destination interface information of the AT instructions, receives the AT according to the destination interface acquisition of information and refers to
The type information of the TETRA terminals of order, by the type information the AT instruction modifications subelement is sent to.The AT instruction modifications
Subelement is according to the type information for receiving the TETRA terminals that the AT is instructed, and the TETRA stored in the memory
Different information between the standard AT command set that the AT command set and the TE that terminal is supported is supported, listens to described
AT instructions are modified, and make amended AT instructions meet the AT command set that the TETRA terminals are supported.
In actual applications, above-mentioned ports filter unit can also be arranged on the other positions in TTCN-3 test systems,
Such as, it is arranged on inside SA or TE.The embodiment of the present invention does not limit to above-mentioned port mistake
The concrete placement location of filter unit, any modes of emplacement of the above-mentioned ports filter unit in TTCN-3 test systems
All in the protection domain of the embodiment of the present invention.
Embodiment two
TE in a kind of test system to TTCN-3 that the embodiment is provided is sent at the AT of TETRA terminals instructions
The handling process of the method for reason is as shown in figure 3, including following processing procedure：
Ports filter unit, the ports filter list are set in the TRI between TE and SA in TTCN-3 test systems
Unit includes that subelement, AT instruction modification subelements, TETRA terminal types identification subelement and memory are monitored in AT instructions, in institute
State and the AT command set that various types of TETRA terminals are supported respectively is stored in memory, and various TETRA terminals are distinguished
Different information between the standard AT command set that the AT command set of support and the TE are supported.
When TE sends data by SA to TETRA terminals, above-mentioned AT instructions are monitored subelement and first determine whether that the data are
It is no to instruct for AT, if the data are not AT instructions, make no modifications and be transmitted directly to SA；If the data are AT referred to
Order, by the AT instructions TETRA terminal types identification subelement is sent to.
Above-mentioned TETRA terminal types identification subelement inquires about the destination interface that the AT instructions send, and refers to so as to inquire about the AT
The type information of the purpose TETRA terminal that order is sent to, by the type information AT instruction modification subelements are sent to.Then, AT refers to
Type information of the subelement according to the purpose TETRA terminal is changed in order, and the purpose stored in the memory
Different information between the standard AT command set that the AT command set and the TE that TETRA terminals are supported is supported, to the AT
Instruction is modified, and makes amended AT instructions meet the AT command set that the purpose TETRA terminal is supported.
Afterwards, amended AT instructions are sent to SA by ports filter unit, and the AT for receiving instructions are sent to mesh by SA
TETRA terminals.
Applicating example
TTCN-3 test systems send the specific transactions of the short data of AT+CTSP instruction configuration TETRA terminals, TTCN-3 pin
All the time according to the instruction transmission of standard AT in this, i.e., " AT+CTSP=1,3,130 ", the TETRA terminals of EADS productions are equally matched somebody with somebody
Put the instruction for using different.In order to compatible EADS production TETRA terminals, present example TE send " AT+CTSP=1,
3,130 " instruction modification is " AT+CTSP=1,2 ", and is referred to the TETRA terminals transmission of EADS productions extra " AT+CMGF=7 "
Order.
Embodiment three
At a kind of AT instructions of TE being sent in TTCN-3 test systems to TETRA terminals that the embodiment is provided
The handling process of the method for reason is as shown in figure 4, including following processing procedure：
Ports filter unit, the ports filter list are set in the TRI between TE and SA in TTCN-3 test systems
Unit includes that subelement, AT instruction modification subelements, TETRA terminal types identification subelement and memory are monitored in AT instructions, in institute
State and the AT command set that various types of TETRA terminals are supported respectively is stored in memory, and various TETRA terminals are distinguished
Different information between the standard AT command set that the AT command set of support and the TE are supported.
When TETRA terminals send data by SA to TE, above-mentioned AT instructions are monitored subelement and first determine whether that the data are
It is no to instruct for AT, if the data are not AT instructions, make no modifications and be transmitted directly to TE；If the data are AT referred to
Order, by the AT instructions TETRA terminal types identification subelement is sent to.
Above-mentioned TETRA terminal types identification subelement inquires about the source port of AT instructions, sends the AT and refers to so as to inquire about
The type information of the TETRA terminals of order, by the type information AT instruction modification subelements are sent to.Then, AT instruction modifications
Unit is according to the type information for sending the TETRA terminals that the AT is instructed, and the transmission stored in the memory
Difference letter between the standard AT command set that the AT command set and the TE that the TETRA terminals of the AT instructions are supported is supported
Breath, modifies to AT instructions, makes amended AT instructions meet the standard AT command set that the TE is supported.
Afterwards, amended AT instructions are sent to TE by ports filter unit.
Applicating example
TTCN-3 test system and test TETRA terminals receive short data, in TTCN-3 scripts all the time according to tag splice receive two
Or three+CMGS instruction is processed, and the TETRA terminals of EADS productions only can to TTCN-3 test systems send one+
CMGS is instructed, and for the TETRA terminals of compatible EADS productions, the embodiment of the present invention can be that the TETRA terminals of EADS productions send
Extra+CMGS the instructions of AT instruction supplements, be sent to TE.
Example IV
A kind of device tested TETRA terminals based on TTCN-3 is this embodiment offers, the device is arranged on
In the TRI between SA and TE in TTCN-3 test systems, it implements structure as shown in figure 5, specifically can include：AT refers to
Subelement 51, TETRA terminal types identification subelement 52, AT instruction modifications subelement 53 and memory 54 are monitored in order,
Described memory 54, for storing the AT command set that various types of TETRA terminals are supported respectively, and respectively
Different information between the standard AT command set that the AT command set and the TE that kind TETRA terminals are supported respectively is supported.
Specifically, the AT instructions of TE are sent to by SA for the TETRA terminals：
Subelement 51 is monitored in described AT instructions, for the TETRA terminals by the AT that SA is sent to TE instruct into
Row is monitored, and the AT for listening to instructions are sent to into TETRA terminal types identification subelement；
Described TETRA terminal types identification subelement 52, for obtaining the source port information of the AT instructions, according to
The source port acquisition of information sends the type information of the TETRA terminals of the AT instructions, the type information is sent to described
AT instruction modification subelements；
Described AT instruction modifications subelement 53, for according to the type information of the TETRA terminals, and the storage
Difference between the standard AT command set that the AT command set and the TE that the TETRA terminals stored in device are supported is supported
Information, the AT instructions listened to described are modified, and are made amended AT instructions meet standard AT that the TE supported and are referred to
Order collection.
Specifically, the AT instructions of TETRA terminals are sent to by SA for the TE：
Subelement 51 is monitored in described AT instructions, for being referred to by the AT that SA is sent to the TETRA terminals the TE
Order is monitored, and the AT for listening to instructions are sent to into TETRA terminal types identification subelement；
Described TETRA terminal types identification subelement 52, for obtaining the destination interface information of the AT instructions, according to
The destination interface acquisition of information receives the type information of the TETRA terminals of the AT instructions, the type information is sent to described
AT instruction modification subelements；
Described AT instruction modifications subelement 53, for according to the type information of the TETRA terminals, and the storage
Difference between the standard AT command set that the AT command set and the TE that the TETRA terminals stored in device are supported is supported
Information, modifies to the AT instructions for listening to, and makes amended AT instructions meet the AT that the TETRA terminals are supported
Instruction set.
Carried out with the device of the embodiment of the present invention detailed process TETRA terminals tested based on TTCN-3 with it is aforementioned
Embodiment of the method is similar to, and here is omitted.
One of ordinary skill in the art will appreciate that：Accompanying drawing is the schematic diagram of one embodiment, module in accompanying drawing or
Flow process is not necessarily implemented necessary to the present invention.
One of ordinary skill in the art will appreciate that：The module in equipment in embodiment can be according to embodiment description point
In being distributed in the equipment of embodiment, it is also possible to carry out respective change and be disposed other than in one or more equipment of the present embodiment.On
Stating the module of embodiment can merge into a module, it is also possible to be further split into multiple submodule.
In sum, the embodiment of the present invention is by arranging ports filter unit, institute in the TRI in TTCN-3 test systems
State the standard that ports filter unit is supported according to the AT command set that the various TETRA terminals of storage are supported respectively with the TE
Different information between AT command set, the data to transmitting between SA and TE are monitored and changed, and so as to reach TETRA ends are eliminated
The purpose of end difference.TTCN-3 test systems are enable to interact from different TETRA terminals by the instruction of standard AT, the interaction
The control to TETRA terminal behaviors can be included（Test system sends to terminal and instructs）With the reading to the TETRA SOT states of termination
（Terminal is to test system replying instruction）.Without considering that the TETRA terminals of different manufacturer's productions support AT command set
Difference, reduces complexity and difficulty that TTCN-3 test systems are tested TETRA terminals.
The embodiment of the present invention enables TTCN-3 test systems to instruct the state to different TETRA terminals to read by AT
Take and analyze, without considering that the TETRA terminals of different manufacturer's productions support the difference of AT command set.Tested TETRA ends
The AT instructions that TE is sent to by SA are held, is first processed via present example, instruction morphing will can be matched for TE and divide
Analysis reference format, is then forwarded to TE, enables TE correctly to match and analyze the state of current tested TETRA terminals.
The embodiment of the present invention is identified and is changed by the communication to AT instructions between TE and SA, makes the TTCN-3 scripts need not
Extra judgement and process is carried out for different tested TETRA terminals, the exploitation of TTCN-3 scripts is simplified, it is ensured that
The standard and accuracy of TTCN-3 test systems.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, the change or replacement that can be readily occurred in,
All should be included within the scope of the present invention.Therefore, protection scope of the present invention should be with scope of the claims
It is defined.
Claims (5)
1. a kind of TETRA terminals are tested method based on TTCN-3, it is characterised in that include：
Ports filter unit is set in the TRI in TTCN-3 test systems, stores various types of in the ports filter unit
The AT command set that the TETRA terminals of type are supported respectively；
AT instruction of the ports filter unit to interaction between TETRA terminals and TTCN-3 test systems is monitored, according to
The type of TETRA terminals and various types of TETRA terminals of the storage for sending or receiving the AT instructions is distinguished
The AT command set of support, modifies to AT instructions, including：
The AT instructions that subelement is sent to TE to the TETRA terminals by SA are monitored in AT instructions in the ports filter unit
Monitored, the AT for listening to instructions are sent to into TETRA terminal types identification subelement, the TETRA terminal types identification
Subelement obtains the source port information of the AT instructions, and according to the source port acquisition of information AT instructions are sent
The type information of TETRA terminals, by the type information the AT instruction modifications subelement is sent to；Or, the ports filter
AT instructions in unit are monitored subelement and TE are monitored by the AT instructions that SA is sent to the TETRA terminals, will be monitored
To AT instructions be sent to TETRA terminal types identification subelement, TETRA terminal types identification subelement obtains the AT
The destination interface information of instruction, the type information of the TETRA terminals of the AT instructions is received according to the destination interface acquisition of information,
The type information is sent to into the AT instruction modifications subelement；
The AT instruction modifications subelement is according to the type information of the TETRA terminals, and the institute stored in the memory
The different information between the AT command set that TETRA terminals are supported and the standard AT command set that the TE is supported is stated, to described
The AT instructions for listening to are modified, and make amended AT instructions meet the AT command set that the TETRA terminals are supported.
2. TETRA terminals are tested method based on TTCN-3 according to claim 1, it is characterised in that described
The TRI in TTCN-3 test systems in arrange ports filter unit, store all kinds in the ports filter unit
The AT command set supported respectively of TETRA terminals, including：
Ports filter is set in the TRI between system under test (SUT) adapter SA and executable entity TE in TTCN-3 test systems
Unit, the ports filter unit includes that subelement, AT instruction modification subelements, the identification of TETRA terminal types are monitored in AT instructions
Subelement and memory, store in which memory the AT command set that various types of TETRA terminals are supported respectively, and
Different information between the standard AT command set that the AT command set and the TE that various TETRA terminals are supported respectively is supported.
3. TETRA terminals are tested method based on TTCN-3 according to claim 2, it is characterised in that described
Different information include：The difference of AT order parameter forms, the difference of AT instruction numbers, the difference of AT instruction types.
4. a kind of TETRA terminals are tested device based on TTCN-3, it is characterised in that the device is arranged on TTCN-3 surveys
In TRI in test system, the AT command set that various types of TETRA terminals are supported respectively is stored in described device；
Described device between TETRA terminals and TTCN-3 test systems interaction AT instruction monitor, according to send or
Receive the AT that the type of TETRA terminals and various types of TETRA terminals of the storage of the AT instructions are supported respectively
Instruction set, modifies to AT instructions, including：
Subelement is monitored in described AT instructions, for being monitored by the AT instructions that SA is sent to TE the TETRA terminals,
The AT for listening to instructions are sent to into TETRA terminal types identification subelement, described TETRA terminal types recognize subelement,
For obtaining the source port information of the AT instructions, the TETRA of the AT instructions is sent according to the source port acquisition of information
The type information of terminal, by the type information the AT instruction modifications subelement is sent to；Or, son is monitored in described AT instructions
Unit, for being monitored by the AT instructions that SA is sent to the TETRA terminals the TE, the AT for listening to instructions is sent out
Give TETRA terminal types identification subelement, described TETRA terminal types identification subelement, for obtaining the AT instructions
Destination interface information, the type information of the TETRA terminals of the AT instructions is received according to the destination interface acquisition of information, by this
Type information is sent to the AT instruction modifications subelement；
Described AT instruction modification subelements, for according to the type information of the TETRA terminals, and deposit in the memory
Different information between the standard AT command set that the AT command set and the TE that the TETRA terminals of storage are supported is supported,
The AT instructions for listening to are modified, makes amended AT instructions meet the AT instructions that the TETRA terminals are supported
Collection.
5. TETRA terminals are tested device based on TTCN-3 according to claim 4, it is characterised in that described
Device be arranged in the TRI between the system under test (SUT) adapter SA in TTCN-3 test systems and executable entity TE, including：
Subelement, TETRA terminal types identification subelement, AT instruction modifications subelement and memory are monitored in AT instructions,
Described memory is for storing the AT command set that various types of TETRA terminals are supported respectively and various
Different information between the standard AT command set that the AT command set and the TE that TETRA terminals are supported respectively is supported.
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Address after: 100041 China Radio inspection building, No. 30, Xing Xing street, Beijing, Shijingshan District Co-patentee after: BEIJING INSTITUTE OF TECHNOLOGY Patentee after: THE STATE RADIO MONITORING CENTER TESTING CENTER Co-patentee after: RADIOSKY (BEIJING) TECHNOLOGY Co.,Ltd. Address before: 100041 China Radio inspection building, No. 30, Xing Xing street, Beijing, Shijingshan District Co-patentee before: BEIJING INSTITUTE OF TECHNOLOGY Patentee before: THE STATE RADIO MONITORING CENTER TESTING CENTER Co-patentee before: RADIOSKY TESTING SERVICES (BEIJING) Ltd. |