CN101951298A - Mthod and system for consistency test of an air ground communication system - Google Patents
Mthod and system for consistency test of an air ground communication system Download PDFInfo
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- CN101951298A CN101951298A CN2010102834508A CN201010283450A CN101951298A CN 101951298 A CN101951298 A CN 101951298A CN 2010102834508 A CN2010102834508 A CN 2010102834508A CN 201010283450 A CN201010283450 A CN 201010283450A CN 101951298 A CN101951298 A CN 101951298A
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Abstract
The invention provides a method and system for consistency test of an air ground communication system, wherein the method comprises the steps of: generating a test frame according to a test command message input by a user; sending the test frame to a tested system; and receiving a response frame from the tested system and analyzing the response frame to obtain a test result. The invention realizes the consistency test of the VDL M2 air ground communication system through sending the test frame to the tested system and testing the consistency of the tested system according to the response frame condition of the tested system, can complete all the test functions via comprehensive test so as to test the real condition of the tested system, and does not need to reform the tested system, thereby being convenient and feasible.
Description
Technical field
The present invention relates to a kind of conformance test method and system of air-ground communications systems, relate in particular to a kind of conformance test method and system of very high frequency(VHF) data chainning pattern two air-ground communications systems, belong to the air communications technical field.
Background technology
Very high frequency(VHF) data chainning (VDL:Very High Frequency Data Link) is one of vacant lot wireless communication data chain of generally using of current international airline industry.Wherein, very high frequency(VHF) data chainning pattern two (VDL M2) is to organize and be designed for aeronautical telecommunication network (Aeronautical Telecommunications Network according to the open system interconnection master pattern, be called for short: vacant lot subsystem ATN) is the important subnet of ATN.It is towards connecting and Bit Oriented, transmission capacity is aircraft communication addressing and reporting system (Aircraft Communication Addressing and Reporting System, be called for short: ACARS) 10 of data chainning times, can satisfy terminal and regional growing data traffic requirement midway, and it can realize well to the compatible of existing aeronautical communications network and to the compatibility of following ATN network, thereby becomes the important selection of air communications of future generation vacant lot data chainning development.
In order to communicate by letter normally between the VDL M2 air-ground communications systems that guarantees different developer's exploitations, must carry out uniformity test, meet the relevant criterion agreement to guarantee it.In the existing uniformity test technology, still untappedly go out practical uniformity test technology at very high frequency(VHF) data chainning pattern two air-ground communications systems.And in the existing achievement in research at this measuring technology, be only applicable to the link management function in the test protocol stack part, and its when test adopt the mode of local area network (LAN) simulation bottom communication, change bigger to system under test (SUT), therefore be only applicable to the link management function in development phase indentification protocol stack function, and can not be actually used in the uniformity test of very high frequency(VHF) data chainning pattern two air-ground communications systems.
Summary of the invention
The invention provides a kind of conformance test method and system of air-ground communications systems, can be actually used in the uniformity test of VDL M2 air-ground communications systems.
One aspect of the present invention provides a kind of conformance test method of air-ground communications systems, comprising:
Test command message according to user's input generates test frame;
Described test frame is sent to the transmission buffer queue;
Consensus standard data according to very high frequency(VHF) data chainning pattern two are encapsulated as test packet with the test frame in the described transmission buffer queue;
Described test packet is sent to system under test (SUT) through bottom communication equipment;
Reception comes from the Echo Frame of described system under test (SUT), according to the described Echo Frame of consensus standard data parsing of very high frequency(VHF) data chainning pattern two and obtain analysis result;
According to described test frame, described analysis result and described consensus standard data, obtain test result.
The present invention provides a kind of consistency testing system of air-ground communications systems on the other hand, comprising:
Testing execution module is used for generating test frame according to the test command message of user's input;
Data transmit-receive module is used for the described test frame that testing execution module generates is sent to system under test (SUT) and receives the Echo Frame that comes from described system under test (SUT);
Described testing execution module also is used to resolve described Echo Frame, obtains test result;
Kernel control module comprises: the data transmit-receive control unit, and the test frame that is used for coming from the testing execution module generation sends to the transmission buffer queue;
Protocol core module, its inside are integrated with the consensus standard data of whole very high frequency(VHF) data chainning patterns two;
Described data transmit-receive module comprises: data transmission unit is used for according to described consensus standard data the test frame of described transmission buffer queue being encapsulated as test packet;
Bottom communication equipment, the described test packet that is used for coming from data transmit-receive module sends to described system under test (SUT).
The present invention is by sending test frame to system under test (SUT), and the consistency of testing system under test (SUT) according to the Echo Frame situation of system under test (SUT), thereby realized the uniformity test of VDL M2 air-ground communications systems, can finish whole test functions, test is comprehensive, thus the truth that can test system under test (SUT); And do not need system under test (SUT) is transformed, therefore convenient feasible.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply, apparently, accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the flow chart of the conformance test method embodiment one of air-ground communications systems of the present invention;
Fig. 2 is the flow chart of the conformance test method embodiment two of air-ground communications systems of the present invention;
Fig. 3 is the flow chart of the conformance test method embodiment three of air-ground communications systems of the present invention;
Fig. 4 is the structural representation of the consistency testing system embodiment of air-ground communications systems of the present invention;
Fig. 5 is the structural representation of kernel control module shown in Figure 4;
Fig. 6 is the structural representation of data transmit-receive module shown in Figure 4;
Fig. 7 is the structural representation of testing execution module shown in Figure 4;
Fig. 8 is the structural representation of subscriber interface module shown in Figure 4.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Fig. 1 is the flow chart of the conformance test method embodiment one of air-ground communications systems of the present invention, and as shown in the figure, this method comprises the steps:
Particularly, test command message can show that this user will test or carry out manual test automatically, below will describe respectively by method embodiment two, three.
Particularly, can earlier described test frame be sent to the transmission buffer queue; Consensus standard data according to VDL M2 are encapsulated as test packet with the test frame in the described transmission buffer queue then, guarantee that the test frame that generates meets the consensus standard requirement of VDL M2 fully; At last described test packet is sent to described system under test (SUT) through bottom communication equipment.
In addition, when the transmission of described test packet is failed, can before default timing is overtime, retransmit described test packet at interval repeatedly with certain hour, if still do not receive Echo Frame, then can after described timing is overtime, send error message, and described error message is added in the described test result, showing that system under test (SUT) do not receive or do not have the response test packet, thereby cause test crash.Wherein, can write down information such as the number of times of repeating transmission and overtime situation in the described test result.
Particularly, can and obtain analysis result,, obtain test result then according to described test frame, described analysis result and described VDL M2 consensus standard data according to the described Echo Frame of consensus standard data parsing of VDL M2.
Alternatively, can in the test process of above-mentioned each step, show the test process information in the test process in real time, as: intermediate object program, first floor system parameter and final test result, so that the system manager can in time understand the progress situation of test process, so that fault location reason.
So that preserve test record as subsequent reference, also can carry out subsequent analysis and handle by the form of test report.
This implements described system by sending test frame to system under test (SUT), and the consistency of testing system under test (SUT) according to the Echo Frame situation of system under test (SUT), thereby realized the uniformity test of VDL M2 air-ground communications systems, can finish whole test functions, test is comprehensive, thus the truth that can test system under test (SUT); And do not need system under test (SUT) is transformed, therefore convenient feasible.
Fig. 2 is the flow chart of the conformance test method embodiment two of air-ground communications systems of the present invention, and as shown in the figure, this method comprises the steps:
Particularly, can generate described test command collection according to the test item of user's selection and the consensus standard data of VDL M2, to guarantee that the test command energy collecting that generates enough meets the consensus standard requirement of VDL M2, thereby guarantee that tested VDL M2 air-ground communications systems meets the consensus standard requirement of VDL M2, thereby can communicate by letter normally between the VDL M2 air-ground communications systems that further guarantees to develop by the different developers after the test.And, in actual applications, can generate the full test set of described test command collection according to all accord normal data of described whole test items and described VDL M2; Perhaps, according to the part consensus standard data of described partial test item and described VDL M2, generate the branch test set of described test command collection.
Step 202 generates test frame according to described test command collection.
Particularly, can generate described test frame according to the consensus standard data of described test command collection and VDL M2.
Particularly, can earlier described test frame be sent to the transmission buffer queue; Consensus standard data according to VDL M2 are encapsulated as test packet with the test frame in the described transmission buffer queue then; At last described test packet is sent to described system under test (SUT) through bottom communication equipment.
In addition, when the transmission of described test packet is failed, can before default timing is overtime, retransmit described test packet at interval repeatedly according to certain hour, if still do not receive Echo Frame, when after described timing is overtime, sends error message, and described error message is added in the described test result, showing that system under test (SUT) do not receive or do not have the response test packet, thereby cause test crash.Wherein, can write down information such as the number of times of repeating transmission and overtime situation in the described test result.
Particularly, can and obtain analysis result, according to described test frame, described analysis result, timer then situation and described VDL M2 consensus standard data, obtain test result then according to the described Echo Frame of consensus standard data parsing of VDL M2.
Alternatively, show intermediate object program, first floor system parameter and final test result in the test process in can the test process of above-mentioned each step in real time, so that the system manager can be timely the progress situation of angular measurement examination process so that the fault location reason.
So that preserve test record as subsequent reference, also can carry out subsequent analysis and handle by the form of test report.
This is implemented described method and has realized user-selected test item is tested automatically, and test is comprehensive, and convenient feasible.
Fig. 3 is the flow chart of the conformance test method embodiment three of air-ground communications systems of the present invention, and as shown in the figure, this method comprises the steps:
Wherein, the described user manually test parameter of input is the content of user according to the manual test frame that is provided with of specific demand, comprises information such as address field, control domain, information field and length.By this step, the user can import the test parameter that it is concerned about by user interface, thereby generates corresponding test frame, is used for testing at specific test parameter.
Step 302 sends to system under test (SUT) with described test frame.
Particularly, can earlier described test frame be sent to the transmission buffer queue; Consensus standard data according to VDL M2 are encapsulated as test packet with the test frame in the described transmission buffer queue then; At last described test packet is sent to described system under test (SUT) through bottom communication equipment.
In addition, when the transmission of described test packet is failed, can before default timing is overtime, retransmit described test packet at interval repeatedly by certain hour, if still do not receive Echo Frame, when after described timing is overtime, send error message, do not receive or do not have the response test packet to show system under test (SUT), thereby cause test crash.
Particularly, can and obtain analysis result, according to described test frame, described analysis result, timer then situation and described VDL M2 consensus standard data, obtain test result then according to the described Echo Frame of consensus standard data parsing of VDL M2.
Alternatively, show intermediate object program, first floor system parameter and final test result in the test process in can the test process of above-mentioned each step in real time, so that the system manager can be timely the progress situation of angular measurement examination process so that the fault location reason.
Step 304 after test is finished, generates test report according to described test result.
So that preserve test record as subsequent reference, also can carry out subsequent analysis and handle by the form of test report.
The described method of present embodiment generates test frame by the test parameter of manually input, realized conforming manual test to the VDLM2 air-ground communications systems, what the user can revise test frame arbitrarily comprises test parameters such as control domain and information field, thereby can satisfy user's special testing requirement, therefore have favorable expansibility.
Fig. 4 is the structural representation of the conformance test method embodiment of air-ground communications systems of the present invention, and as shown in the figure, this system comprises at least: testing execution module 10 and data transmit-receive module 20, and its operation principle is as follows:
Particularly, this system can further include: protocol core module 30, kernel control module 40 and bottom communication equipment 50.Wherein, the inside of protocol core module 30 is integrated with the consensus standard data of whole VDL M2; As shown in Figure 5, in the time will sending test frame, can be earlier will come from the test frame that testing execution module 10 generates and send to the transmission buffer queue by the data transmit-receive control unit 41 in the kernel control module 40; According to the consensus standard data of described VDL M2 the test frame in the described transmission buffer queue is encapsulated as test packet by the data transmission unit in the data transmit-receive module shown in Figure 6 20 21 then; At last described test packet is sent to described system under test (SUT) through bottom communication equipment 50.
After reception comes from the Echo Frame of described system under test (SUT), Data Receiving unit 22 in the data transmit-receive module 20 shown in Figure 6 carries out deblocking according to the consensus standard data of the described VDL M2 in the protocol core module 30 to the response data in the reception buffer queue of described bottom communication equipment 50, to guarantee that the deblocking process can meet the consensus standard requirement of VDL M2, to obtain described Echo Frame; Echo Frame resolution unit 11 in the testing execution module 10 shown in Figure 7 is according to the described Echo Frame of consensus standard data parsing of described VDL M2 and obtain analysis result; By the consensus standard data of test result generation unit 12, obtain test result then according to described test frame, described analysis result and described VDL M2.And, can in system, set up test report generation module 70, generate test report according to described test result, so that preserve test record as subsequent reference, also can carry out subsequent analysis and handle by the form of test report.
In addition, as shown in Figure 4, this system can further include timer module 60, when the transmission of described test packet is failed, described data transmission unit can be retransmitted described test packet by certain hour at interval repeatedly before the timing that timer module 60 is set is overtime, if still do not receive Echo Frame, then can be after the described timing that timer module 60 is set be overtime, send error message to described kernel control module, showing that system under test (SUT) do not receive or do not have the response test packet, thereby cause test crash.
This implements described system by sending test frame to system under test (SUT), and the consistency of testing system under test (SUT) according to the Echo Frame situation of system under test (SUT), thereby realized the uniformity test of VDL M2 air-ground communications systems, can finish whole test functions, test is comprehensive, thus the truth that can test system under test (SUT); And do not need system under test (SUT) is transformed, therefore convenient feasible.
In addition, at different test command message, this implements described system can test or carry out manual test automatically, and at different test modes, the generating mode of test frame also can be different, specifies as follows:
When described test command message shows will test automatically the time, described system also comprises subscriber interface module 80, test function selected cell 81 in this subscriber interface module 80 shown in Figure 8 shows alternative test item to the user, and the test item that described user is selected sends to described kernel control module 40; After this, the unit of testing and controlling 42 in the kernel control module 40 shown in Figure 5 is according to the consensus standard data of described VDL M2 and come from the test item of described test function selected cell 81, generates the test command collection; Generate described test frame by the test frame generation unit 13 in the testing execution module 10 shown in Figure 7 according to the normal data of described test command collection and described VDL M2 then; After this, will come from the test frame that test frame generation unit 13 generates by the data transmit-receive control unit 41 of kernel control module 40 shown in Figure 5 and send to the transmission buffer queue, to continue above-mentioned follow-up test process.Thereby realized user-selected test item is tested automatically, test is comprehensive, and convenient feasible.
When described test command message shows will carry out manual test the time, frame in the subscriber interface module 80 shown in Figure 8 is provided with unit 82 and generates test frame according to the test parameter that the user manually imports, the wherein said user manually test parameter of input is the content of user according to the manual test frame that is provided with of specific demand, comprises information such as address field, control domain, information field and length; After this, will come from frame by the data transmit-receive control unit 41 of kernel control module 40 shown in Figure 5 and the test frame that unit 82 generates is set sends to the transmission buffer queue, to continue above-mentioned follow-up test process.
The described system of present embodiment generates test frame by the test parameter of manually input, realized conforming manual test to the VDLM2 air-ground communications systems, what the user can revise test frame arbitrarily comprises test parameters such as control domain and information field, thereby can satisfy user's special testing requirement, therefore have favorable expansibility.
In addition, the indicative control unit 43 in the kernel control module 40 shown in Figure 5 can send to described subscriber interface module 80 with the described test result that test result generation unit 12 obtains; And show the described test result that comes from described kernel control module by the test display unit in the subscriber interface module 80 shown in Figure 8 83.Particularly, can in the implementation of above-mentioned each module, show intermediate object program, first floor system parameter and final test result in the test process in real time, so that the system manager can be timely the progress situation of angular measurement examination process so that the fault location reason.
In addition, parameter setting and display unit 84 can also be set in this subscriber interface module 80, be used to be provided with the bottom parameter, obtain and show the bottom parameter; When the user is provided with parameter command, with set parameter and order is set sends to kernel control module 40 and handle; When display parameters order of receiving kernel control module 40 and parameter to be shown, show the bottom parameter in real time.
In addition, as shown in Figure 5, in the kernel control module 40 bottom dispensing unit 44 can also be set, be used for startup, the initialization of system, the startup of underlying device, parameter configuration and obtain, system closing, and underlying device is closed; After system start-up, each module of initialization system starts underlying device, and the allocating default parameter; Receive the parameter configuration order that subscriber interface module 80 is sent, the relevant parameter of configuration bottom communication equipment 50; What receive that subscriber interface module 80 sends obtains the bottom parameter request, obtains relevant parameter from underlying device, transfers to subscriber interface module 80 and shows; When system closing, each module of shutdown system is closed bottom communication equipment.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be finished by the relevant hardware of program command, aforesaid program can be stored in the computer read/write memory medium, this program is carried out the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. the conformance test method of an air-ground communications systems is characterized in that comprising:
Test command message according to user's input generates test frame;
Described test frame is sent to the transmission buffer queue;
Consensus standard data according to very high frequency(VHF) data chainning pattern two are encapsulated as test packet with the test frame in the described transmission buffer queue;
Described test packet is sent to system under test (SUT) through bottom communication equipment;
Reception comes from the Echo Frame of described system under test (SUT), according to the described Echo Frame of described consensus standard data parsing and obtain analysis result;
According to described test frame, described analysis result and described consensus standard data, obtain test result.
2. method according to claim 1 is characterized in that described test command message according to user's input generates test frame and comprises:
Generate the test command collection according to the test item of described user's selection and the consensus standard data of very high frequency(VHF) data chainning pattern two;
Generate described test frame according to described test command collection.
3. method according to claim 1, it is characterized in that described test command message according to user's input generates test frame and comprises: the test parameter of manually importing according to the user generates test frame.
4. method according to claim 1, when it is characterized in that described transmission when described test packet is failed, before default timing is overtime, retransmit described test packet, and after described timing is overtime, send error message, and described error message is added in the described test result.
5. method according to claim 1 is characterized in that also comprising: after test is finished, generate test report according to described test result.
6. the consistency testing system of an air-ground communications systems is characterized in that comprising:
Testing execution module is used for generating test frame according to the test command message of user's input;
Data transmit-receive module is used for the described test frame that testing execution module generates is sent to system under test (SUT) and receives the Echo Frame that comes from described system under test (SUT);
Described testing execution module also is used to resolve described Echo Frame, obtains test result;
Kernel control module comprises: the data transmit-receive control unit, and the test frame that is used for coming from the testing execution module generation sends to the transmission buffer queue;
Protocol core module, its inside are integrated with the consensus standard data of whole very high frequency(VHF) data chainning patterns two;
Described data transmit-receive module comprises: data transmission unit is used for according to described consensus standard data the test frame of described transmission buffer queue being encapsulated as test packet;
Bottom communication equipment, the described test packet that is used for coming from data transmit-receive module sends to described system under test (SUT).
7. system according to claim 6, it is characterized in that described system also comprises: timer module is used to set timing; Described data transmission unit also is used for when the transmission failure of described test packet, before the timing that timer module is set is overtime, retransmit described test packet, and after described timing is overtime, send error message to described kernel control module, and described error message is added in the described test result.
8. system according to claim 6 is characterized in that:
Described system also comprises: subscriber interface module comprises in this subscriber interface module: the test function selected cell be used for showing alternative test item to the user, and the test item that described user is selected sends to described kernel control module;
Described kernel control module comprises: unit of testing and controlling, and be used for according to described consensus standard data and come from the test item of described test function selected cell, generate the test command collection;
Described testing execution module also comprises: the test frame generation unit is used for generating described test frame according to described test command collection and described normal data.
9. system according to claim 8, it is characterized in that described subscriber interface module also comprises: frame is provided with the unit, and the test parameter that is used for manually importing according to the user generates test frame; Described data transmit-receive control unit also is used for the test frame that the unit generates is set sends to the transmission buffer queue coming from frame.
10. system according to claim 6 is characterized in that also comprising: test report generation module is used for generating test report according to described test result.
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| CN105656716A (en) * | 2015-12-30 | 2016-06-08 | 航天恒星科技有限公司 | Protocol module performance test method and system |
| CN105656716B (en) * | 2015-12-30 | 2020-09-22 | 航天恒星科技有限公司 | Protocol module performance test method and system |
| CN106713009A (en) * | 2016-11-14 | 2017-05-24 | 北京临近空间飞行器系统工程研究所 | Aircraft key data communication system and method |
| CN115396348A (en) * | 2022-08-25 | 2022-11-25 | 北京智芯微电子科技有限公司 | Test system, method and computer readable storage medium for wireless sensor network |
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