CN101808355B - System and method for testing consistency of industrial wireless network protocol - Google Patents
System and method for testing consistency of industrial wireless network protocol Download PDFInfo
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Abstract
The invention provides a system and a method for testing the consistency of an industrial wireless network protocol for protection, relating to an industrial wireless network. The invention adopts a plurality of independent wireless data collecting modules to monitor all frequency points in network channels in real time, each wireless data collecting module respectively monitors one independent channel to accurately acquire all-frequency point data in the industrial wireless network in real time, the all-frequency point data are sent into consistency testing modules for determining the realization statement according to the protocol-realization consistency instruction files and the protocol-realization additional instruction file of tested equipment so that the all-frequency point data are tested, and then a test report is generated. The invention provides effective test system and method for equipment, systems and engineering for checking the industrial wireless network and provides guarantee for the product certification of industrial wireless network equipment and the equipment interconnection between different protocol realizations of different manufacturers.
Description
Technical field
The invention belongs to industry wireless network, be specifically related to a kind of consistency of industrial wireless network protocol measuring technology.
Background technology
The wireless network standards of industrial circle has the WIA-PA standard of wireless HART standard, ISA100.11a standard and China at present.These standards are all used natural language description, and relate to a lot of key technologies, such as the hop channel technology, and dispatching technique, security mechanism etc., the implementor can cause different agreements to realize for the different understanding of agreement, even is wrong the realization sometimes.Therefore, must carry out strict uniformity test to the agreement of agreement realization side, detect the matching degree of tested agreement realization and protocol specification.
Existing protocol conformance test method mainly is divided into two classes: a class is the conformance test method for Internet protocol, and a class is the conformance test method for mobile communication protocol.Conformance test method for Internet protocol is applicable to wired network protocol, can not effectively test for the wireless nature of industrial wireless network protocol.Although mobile communication network protocol also is wireless protocols, but its protocol architecture and communication mode and industrial wireless network protocol have larger difference, for example mobile communications network does not have clear and definite requirement to communication certainty and real-time, and certainty and real-time that industry wireless network must guarantee to communicate by letter, needs the exact time synchronization between the system module.Chinese patent application (application number: 200510057338.1) disclose a kind of EPA Protocol Conformance Test System and method, a kind of system and method that carries out the EPA testing protocol consistency for the EPA product has been proposed, this test is applicable to wired EPA procotol of industry spot, the system and method for the uniformity test of Industrial Ethernet has been proposed to be suitable for mainly for industrial cable network, because the characteristics of wireless network protocol system self, and the diversity of agreement and complexity, for the technology of wired network protocol uniformity test and be not suitable for industry wireless network, different from traditional wired test mode, the transmission medium of wireless protocols is air, carry out transfer of data a frequency range with a plurality of frequencies, all data that want to obtain in the wireless network must be monitored all frequencies.Simultaneously, existing wireless protocols conformance test method can only provide the simple result whether the test cases test is passed through usually, and more detailed forecast assessment information can not be provided.
Summary of the invention
The present invention is directed to the defects of prior art, proposed a kind of wireless industrial protocol conformance test method and test macro.Corresponding simulation test environment be formulated and be made up to this method of testing and test macro can according to test cases automatically for wireless industrial agreement Liquified gas tanker, so that realization effect effective, the complete detection test cases.In addition, this method of testing and test macro can utilize all channel data capture control module in the intelligence test analyzer to obtain the real time data on all channels in the test environment, the data and the result that return in conjunction with test agent, according to technology such as intellectual analysis and forecast assessment, provide test result and test report information, and analysis causes testing unsanctioned reason.
The consistency testing system that the present invention proposes comprises, human-machine interface module, intelligence test analyzer, uniformity test module, human-machine interface module import the protocol implementation conformance statement PICS file and the agreement that need tested equipment and realize supplemental instruction PIXIT file; The intelligence test analyzer adopts all frequencies in a plurality of independently wireless data acquisition module real-time listening network channels, each wireless data acquisition module is monitored respectively an independent channel, all data in the acquisition wireless network are also processed, data send to the uniformity test module after will processing, and the uniformity test module realizes that according to the protocol implementation conformance statement file of tested equipment and agreement the supplemental instruction file determines that the realization statement of agreement tests it.
Wherein, measuring and analysing meter is integrated all channel data capture control module, environmental simulation control module, test agent module, data processing module, a plurality of wireless data acquisition modules etc.The environmental simulation control module determines whether to need to open the environment analog module and make up the simulation test environment; The control of all channel data capture control module also determines which wireless data acquisition module carries out data capture to wireless channel, and data processing module is processed data packet head information and the length information of capture-data, abandons invalid and the corrupt data bag.It is synchronous that wireless data acquisition module carries out in the data capture each module to wireless channel, when having data to arrive in the channel of monitoring, wireless data acquisition module produces a sync break immediately, and record receives the time of data, adds timestamp, channel stamp in the packet header of the packet that obtains; Take the clock of data processing module as synchronous clock source, data processing module sends sync break every T while synchronizing cycle to all wireless data acquisition modules, and the offset value delta T that fixes time, take Δ T as correction value, calculate value lock in time of all wireless data acquisition modules, gather real-time and the accuracy of wireless channel to guarantee all independent wireless data acquisition modules.The test case Executive Module can be according to the testing requirement of case to be tested in the uniformity test module, and determining whether needs to open the environment analog module to make up the simulation test environment; If necessary, then issue (or calling) and operation simulation collection by environmental simulation control module in the intelligence test analyzer, thereby realize the structure of test simulation environment; The real time data alldata (z) of the implementation status simulator (y) of the test result result that the test result analysis module is returned with testing execution module (x), environmental simulation control module feedback and all channel data capture control module feedback is as input, according to intellectual analysis and forecast assessment rule f, generate test report finalreport, be finalreport=f (result, simulator, alldata).Not only comprise the information whether this test is passed through in the report, also comprise the full and accurate accurately test report information such as unsanctioned possible cause of learning according to Rules of Assessment.
The present invention also proposes a kind of conformance test method, specifically comprises, needs the protocol implementation conformance statement PICS file of tested equipment and agreement to realize supplemental instruction PIXIT file; The intelligence test analyzer adopts all frequencies in a plurality of independently wireless data acquisition module real-time listening network channels, each wireless data acquisition module is monitored respectively an independent channel, all data in the acquisition wireless network are also processed, data send to the uniformity test module after will processing, and the uniformity test module realizes that according to the protocol implementation conformance statement file of tested equipment and agreement the supplemental instruction file determines that the realization statement of agreement tests it.
The present invention collects the radio-frequency receiving-transmitting of test command, wireless industrial test environment all channel synchronous radio data message is caught, the intelligence of test simulation environment (such as the multichannel interference etc.) makes up, intellectual analysis and forecast assessment etc. are in one, characteristics for industrial wireless network protocol, can go deep into more comprehensively, more accurate complete, intelligent and high-efficiency more, the test of wireless industrial protocol conformance is realized on more convenient and quicker ground, and can be by the performance of more full and accurate test data assessment test protocol realization, for checking industrial Wireless Communication Equipment, system and engineering are used provides the Validity Test system and method, for the devices interconnect between the authentication of industry wireless network device product and the realization of a plurality of different manufacturers different agreement provides technique guarantee.
Description of drawings
Fig. 1 test system structure block diagram
Fig. 2 wireless industrial all channel intelligence test analyzer implementation main structure block diagram
Embodiment
Below for accompanying drawing and instantiation enforcement of the present invention is specifically described.Be illustrated in figure 1 as the test system structure block diagram.This consistency of industrial wireless network protocol test macro comprises human-machine interface module, uniformity test module, intelligence test analyzer.Human-machine interface module imports protocol implementation conformance statement (PICS) file and the agreement that need tested equipment and realizes supplemental instruction (PIXIT) file;
The intelligence test analyzer is integrated all channel data acquisition control module, environmental simulation control module, test agent module, data processing module, a plurality of wireless data acquisition module.This analyzer integrate test command radio-frequency receiving-transmitting, wireless industrial test environment all channel synchronous radio data message is caught and the intelligence structure of test simulation environment (such as multichannel interference etc.) etc.The test agent module is integrated meets the standard full-function device that tested agreement realizes, the role of test agent module and function can be selected by the host computer testing software and dispose according to the demand of measurand.The test agent module is responsible for receiving the test control message from testing execution module, correspondingly produces and the execution test command, and test command is handed down to test agent module (UTA); Wait for receiving coming from service and the response results of test agent module (UTA), and send to the test result analysis module.Tested agency (UTA) receives the test packet from the test agent module, and will send tested agreement realization (IUT) to, and will realize that service and response that (IUT) receives send to tested agency (UTA) from tested agreement.
All channel data capture control module in the intelligence test analyzer, then issues control command and utilizes wireless module to carry out wireless data to catch to be implemented in which frequency range to the wireless module that needs to monitor to select needs in those independent channel monitoring wireless data according to testing requirement.Each wireless module receive come from the control command that all channel data capture control module issues after, respectively at separately channel-monitoring and receiving radio data, and produce immediately a sync break, the time of record receive data, add the effective informations such as timestamp, channel stamp in the packet header of the packet that obtains.Data after data processing module will be processed send to the uniformity test module.Accuracy and instantaneity for the time synchronized that guarantees each wireless data acquisition module, data processing module is that a plurality of independently data acquisition modules carry out time synchronized, data processing module sends sync break every T while synchronizing cycle to all data acquisition modules, time offset value according to synchronizing cycle record is Δ T, the timestamp value after determining thus synchronously.For guaranteeing to obtain real-time and accurately the data of all channels and it is passed to the host computer test processes real-time and accurately, this intelligence test analyzer adopts a plurality of independently wireless data acquisition modules to select and monitor network channel according to testing requirement, catch in real time all data in the wireless test environment and carry out comprehensively, the data after comprehensive are sent to the uniformity test module; The uniformity test module realizes that according to the protocol implementation conformance statement file of tested equipment and agreement the supplemental instruction file determines that the realization statement of agreement tests it.
The environmental simulation control module determines whether to need to open the environment analog module and make up the simulation test environment.The environmental simulation control module is according to coming from the environmental simulation demand order of testing execution module, correspondingly produces and starts the environmental simulation fill order, and the environmental simulation fill order is handed down to corresponding wireless module.After wireless module is received the environmental simulation fill order, extract command type and parameter, and correspondingly produce the wireless data packet of expectation, thereby realized simulation and the structure of test environment.
Each wireless data acquisition module is monitored respectively a channel.When having data to arrive, wireless data acquisition module receive data bag, and produce immediately a sync break, record receives the time of data, adds the effective informations such as timestamp, channel stamp in the packet header of the packet that obtains, to guarantee the accuracy of transfer of data.Can adopt serial line interface between wireless data acquisition module and the data processing module, the transmission meanss such as SPI interface are carried out data communication, wireless data acquisition module sends the packet that obtains to data processing module, data processing module is judged processing to header packet information and the length information of the packet received, after abandoning invalid and corrupt data bag, data communication device is crossed communication module and data are passed to is sent to the uniformity test module after will processing, and the uniformity test module realizes that according to the protocol implementation conformance statement file of tested equipment and agreement the supplemental instruction file determines that the realization statement of agreement tests it.
A plurality of wireless data acquisition modules are transferred to data processing module with the data that collect with trigger mechanism, and data processing module is that a plurality of data acquisition modules carry out time synchronized.Owing to be separate between each wireless data acquisition module, therefore the each other problem of time deviation can appear when module realized the function of logging timestamp in running, and the inconsistent problem of system time also can appear after each module long-time running, the packet temporal information inaccuracy that these problems all can cause host computer to receive, thus can not accurately realize the related request of protocol test.In order to address this problem, need in whole system, carry out time synchronized.Accuracy and instantaneity for the time synchronized that guarantees each wireless data acquisition module, at first the system clock of specified data processing module is clock source, standard time in namely take time of data processing module as system, the clock of data acquisition module carries out as the clock from clock and data processing module synchronously.Data processing module sends sync break to a plurality of data acquisition units simultaneously every fixing duration T, and T is synchronizing cycle, can adjust accordingly according to system requirements.The temporal information that record interrupts generation after the data acquisition unit response sync break.The time that wherein receives for the first time interruption after the program initialization is designated as T0, and the time of the n time interruption that receives afterwards is designated as Tn, and the time offset value of record is Δ T.Offset value delta T between definite according to formula Δ T=nT-(Tn-T0).Δ T value is the time deviation value between this data acquisition module and data processing module, according to Δ T, when logging timestamp, take Δ T as correction value, calls formula: the time value after t=t '-To+ Δ T calculates synchronously.Wherein, t ' is the timestamp value before synchronously, and t be the timestamp value after synchronous.As long as guarantee and in same time, to send sync break to each data acquisition unit, both can make the clock synchronous of each data acquisition unit and data processing unit, thereby guarantee intrasystem time unification, the time synchronized requirement of completion system.
The uniformity test module comprises: supporting paper consistency check module, test case are chosen module, test case Executive Module, test result analysis module, test report generation module.Realize that according to protocol implementation conformance statement (PICS) file of tested equipment and agreement supplemental instruction (PIXIT) file determines that the realization statement of agreement tests it.
PICS and the PIXIT of the tested agreement of supporting paper consistency check module check, whether the realization statement of determining agreement meets the consensus standard regulation; Choose module is selected required test according to abstract test suite and PICS/PIXIT analysis result function and test cases if meet standard gauge rule test case; The test case Executive Module issues test command, and receives the response data of tested equipment.The test case Executive Module can be according to case demand to be tested, to determine whether to need to make up the simulation test environment in the uniformity test module; If necessary, then issue (or calling) and operation simulation collection by environmental simulation control module in the intelligence test analyzer, thereby realize the structure of test simulation environment.Whether for example, usually need to test wireless industrial equipment in the wireless industrial agreement (such as WirelessHART and ISA100 wireless industrial standard) has in the statement-of-health function of receiving its interference channel that spies out of Active report in the external interference situation.When this function of test, but the test case Executive Module transmitting order to lower levels among the present invention requires it to produce at several specific radio channels and continues the simulation interference source to environmental simulation control module in the intelligence test analyzer; The environmental simulation control module is then controlled corresponding several wireless module and is produced lasting simulation interference source; Then, when equipment under test operates in the simulation test environment of this structure, by the result that test agent in the comparative analysis intelligence test analyzer is returned, can test whether this equipment under test possesses the statement-of-health function and this function realizes effect.The real time data alldata (z) of the implementation status simulator (y) of the test result result that the test result analysis module is returned with testing execution module in the uniformity test module (x), environmental simulation control module feedback and all channel data capture control module feedback is as input, according to intellectual analysis and forecast assessment rule f, generate test report finalreport, be finalreport=f (result, simulator, alldata).Not only comprise the information whether this test is passed through in the report, also comprise the full and accurate accurately test report information such as unsanctioned possible cause of learning according to Rules of Assessment.
In the protocol test process, for accuracy and the authority that guarantees to test, and provide detailed test report, the diagnostic test at fails fault uses all channel data acquisition module to obtain data in the test environment in more detail.Industrial environment is abominable, exists of the same race or the not multiple interference between the homogeneous networks, and in order to solve the environment manufacturing issue, the environmental simulation module can be made various test simulation environment according to concrete test cases needs.Therefore, the present invention collects the radio-frequency receiving-transmitting of test command, wireless industrial test environment all channel synchronous radio data message is caught, the intelligence of test simulation environment (such as the multichannel interference etc.) makes up, intellectual analysis and forecast assessment etc. are in one, characteristics for industrial wireless network protocol, can go deep into more comprehensively, more accurate complete, intelligent and high-efficiency more, the test of wireless industrial protocol conformance is realized on more convenient and quicker ground, and can be by the performance of more full and accurate test data assessment test protocol realization, for checking industrial Wireless Communication Equipment, system and engineering are used provides the Validity Test system and method, for the devices interconnect between the authentication of industry wireless network device product and the realization of a plurality of different manufacturers different agreement provides technique guarantee.
Below for a kind of implementation of the ISM band of 2.4GHz explanation native system, the main structure figure of the present embodiment is as shown above.The AT91RM9200 processor is adopted in the core, mainly realizes environmental simulation control function and all channel data capture processing controls function, and the inner integrated SRAM of AT91RM9200 is 16K, and ROM is 128K.For the deposit operation system with satisfy the service requirement of system fully, native system has been expanded 1 FLASH memory E28F128 and 2 SDRAM memories, MT48LC8M16A2.Clock circuit can adopt the active crystal oscillator of 18.432MHz, by after the frequency multiplication so that the operating frequency of AT91RM9200 can reach 180MHz at most.Can reach the rate request of system.Because the 2.4GHz frequency range has 16 channels, and the transmission rate of 250kbps can be provided, adopt the QPSK modulation system.So native system has adopted 16 wireless modules to be used for monitoring simultaneously 16 channels or one or several channels has arbitrarily been disturbed, the CC2430 of TI company chip is the core of wireless data acquisition module, the CC2430 chip is except having the 2.4GHz less radio-frequency front end that meets the IEEE802.15.4 standard, it also at Embedded 8051 microprocessors, can receive or send the wireless data packet of any IEEE of meeting 802.15.4 standard.The wireless module transfer of data adopts the transmission means of serial ports.The core processor AT91RM9200 that this programme is selected has 4 independently serial ports.Therefore adopt a kind of 1 to expand 5 serial port extended chip GM8125, the transmission speed of its female serial ports and substring mouth is 6: 1 when using this chip, and its inside also is provided with buffer memory, so core processor can be processed the data of 16 channels in real time.Adopt 4 serial port extended chips, can solve the real-time processing problem of data, reach the purpose of monitoring simultaneously 16 channels, also can make simultaneously each wireless module that each channel is sent the environmental simulation signal simultaneously.
The test agent module is take arm processor MC13224 as core, adopt SPI interface mode at a high speed realize and ARM9 between communicate by letter, realizing various test functions, and real-time test result is transferred to host computer.
The environmental simulation module is responsible for the instruction according to host computer, realizes the data sending function, sends to comprise the test command of test cases and the analogue data of test environment etc.The environmental simulation module is communicated by letter with adopting the mode of serial ports between the arm processor MC13224 take CC2430 as core, and the main wireless signal that externally sends is realized the functions such as simulated environment interference.
Communication module adopts USB to realize communicating by letter of host computer and analyzer in the present embodiment, mainly formed by USB chip CH372, the compatible USB2.0 plug and play of CH372, the CH372 chip internal is integrated PLL frequency multiplier, USB interface SIE, data buffer zone, passive parallel interface, command interpreter, general critical pieces such as firmware program.AT91RM9200 needs to transfer data to host computer through USB interface after the data that collect are processed, thereby realizes that the host computer testing software is to the function of data analysis.Power supply module adopts the power supply adaptor power supply, and that power conversion chip adopts is AS1117-1.8V, LM2576HV-5.0V, AS2830-3.3V3 power conversion chip is for generation of the 5.0V of standard, 3.3V, 1.8V normal voltage power to whole system, make whole system normal operation.
The concrete grammar of realizing time synchronized between each module is as follows: with the clock of arm processor as system clock, arm processor is every fixedly the duration 1s while sends sync break to a plurality of data acquisition units, the temporal information that the record interruption produces after the CC2430 cell response sync break.Wherein need to be recorded among the global variable t1 receiving the time of interrupting for the first time after the program initialization, and record interrupts receiving number of times in global variable n, the time of the each interruption that receives afterwards is recorded among another global variable t2, by variable t1, t2 and n are according to formula: Δ T=nT-(Tn-T0) can calculate deviant, is recorded among the variable t3.Be time deviation value between CC2430 collecting unit and arm data processing unit by the deviant that calculates, according to this deviant, when logging timestamp, use variable t3 as correction value, deduct the time base value t1 of interruption logging for the first time with real time value and add correction value t3 and can calculate time value after synchronous.Guarantee and in same time, to send sync break to each data acquisition unit with this, realize the time synchronized between each independent wireless data acquisition module, thereby the synchronous real time data without timeorder error that guarantees each intermodule is caught.
The above is specific embodiments of the invention only, is not limited to the present invention, and is all within method of the present invention and principle, any modification of making, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. consistency of industrial wireless network protocol test macro, it is characterized in that, system comprises human-machine interface module, intelligence test analyzer, uniformity test module, and human-machine interface module imports the protocol implementation conformance statement PICS file and the agreement that need tested equipment and realizes supplemental instruction PIXIT file; The intelligence test analyzer is integrated all channel data capture control module, environmental simulation control module, test agent module, data processing module, a plurality of wireless data acquisition module, environmental simulation control module determine whether to need to open the environment analog module and make up the simulation test environment; The control of all channel data capture control module also determines which wireless data acquisition module carries out data capture to wireless channel, data processing module is processed data packet head information and the length information of capture-data, abandon invalid and the corrupt data bag, all frequencies in a plurality of independently wireless data acquisition module real-time listening network channels, each wireless data acquisition module is monitored respectively an independent channel, when having data to arrive in the channel of monitoring, wireless data acquisition module produces a sync break immediately, record receives the time of data, timestamp is added in packet header at the packet that obtains, the channel stamp, data send to the uniformity test module after will processing; The uniformity test module realizes that according to the protocol implementation conformance statement file of tested equipment and agreement the supplemental instruction file determines that the realization statement of agreement tests it, generates test report.
2. consistency testing system according to claim 1, it is characterized in that, the real time data of the implementation status of the test result that the test result analysis module is returned with testing execution module in the uniformity test module, environmental simulation control module feedback and all channel data capture control module feedback is as input, according to intellectual analysis and forecast assessment rule, generate test report.
3. consistency testing system according to claim 1, it is characterized in that, the clock of described data processing module is synchronous clock source, data processing module sends sync break every T while synchronizing cycle to all wireless data acquisition modules, call formula △ T=nT-(Tn-T0) and determine time offset value △ T, take △ T as correction value, call formula: t=t '-T0+ △ T calculates value lock in time of all wireless data acquisition modules, wherein, T0 is the synchronization break time first time, Tn is subsynchronous break period of n, and t ' is the timestamp value before synchronously, and t be the timestamp value after synchronous.
4. a consistency of industrial wireless network protocol method of testing is characterized in that, human-machine interface module imports the protocol implementation conformance statement PICS file and the agreement that need tested equipment and realizes supplemental instruction PIXIT file; The intelligence test analyzer is integrated all channel data capture control module, environmental simulation control module, test agent module, data processing module, a plurality of wireless data acquisition module, environmental simulation control module determine whether to need to open the environment analog module and make up the simulation test environment; The control of all channel data capture control module also determines which wireless data acquisition module carries out data capture to wireless channel, data processing module is processed data packet head information and the length information of capture-data, abandon invalid and the corrupt data bag, all frequencies in a plurality of independently wireless data acquisition module real-time listening network channels, each wireless data acquisition module is monitored respectively an independent channel, when having data to arrive in the channel of monitoring, wireless data acquisition module produces a sync break immediately, record receives the time of data, timestamp is added in packet header at the packet that obtains, the channel stamp, data send to the uniformity test module after will processing, and the uniformity test module realizes that according to the protocol implementation conformance statement file of tested equipment and agreement the supplemental instruction file determines that the realization statement of agreement tests it.
5. conformance test method according to claim 4, it is characterized in that, the real time data of the implementation status of the test result that the test result analysis module is returned with testing execution module in the uniformity test module, environmental simulation control module feedback and all channel data capture control module feedback is as input, according to intellectual analysis and forecast assessment rule, generate test report.
6. conformance test method according to claim 4, it is characterized in that, take the clock of data processing module as synchronous clock source, data processing module sends sync break every T while synchronizing cycle to all wireless data acquisition modules, call formula △ T=nT-(Tn-T0) and determine time offset value △ T, take △ T as correction value, call formula: t=t '-T0+ △ T calculates value lock in time of all wireless data acquisition modules, wherein, T0 is the synchronization break time first time, Tn is subsynchronous break period of n, and t ' is the timestamp value before synchronously, and t be the timestamp value after synchronous.
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| CN101951298B (en) * | 2010-09-15 | 2013-08-07 | 北京航空航天大学 | Method and system for consistency test of an air ground communication system |
| CN102118282A (en) * | 2011-03-30 | 2011-07-06 | 陕西电力科学研究院 | Communication protocol consistency detection method and system |
| CN103188021B (en) * | 2011-12-28 | 2015-04-22 | 海华科技股份有限公司 | System and method for testing multiple wireless radio frequency modules |
| CN103378994A (en) * | 2012-04-19 | 2013-10-30 | 北京动力源科技股份有限公司 | Method and terminal for testing communication equipment |
| CN102695187B (en) * | 2012-06-01 | 2015-04-15 | 重庆邮电大学 | Distributed Web-based device and method for testing 6LoWPAN protocol consistency |
| CN103685178B (en) * | 2012-09-12 | 2016-08-17 | 中国科学院沈阳自动化研究所 | A kind of on-line debugging method and system towards industry wireless network |
| CN103281220B (en) * | 2013-06-19 | 2016-09-07 | 重庆邮电大学 | A kind of real time data inspecting system and method based on testing protocol consistency instrument |
| CN103560932B (en) * | 2013-11-05 | 2017-02-08 | 重庆邮电大学 | Wireless sensor network remote protocol conformance testing system and method |
| CN103684912B (en) * | 2013-12-06 | 2017-05-24 | 重庆邮电大学 | Sensor network safety testing method and system |
| CN105024873A (en) * | 2014-04-29 | 2015-11-04 | 中国科学院沈阳自动化研究所 | Protocol conformance testing system and method based on equipment and scene simulation |
| CN104202762B (en) * | 2014-09-16 | 2017-11-24 | 西安航天自动化股份有限公司 | A kind of time slot letter, which is jumped, monitors checking system and verification method |
| CN104270243B (en) * | 2014-10-10 | 2017-05-24 | 重庆邮电大学 | Safety function implementation method for industrial Internet of Things chip |
| CN105162649B (en) * | 2015-08-04 | 2018-08-28 | 北京广利核系统工程有限公司 | For the test method and its system of npp safety grade network performance index |
| CN105682134A (en) * | 2016-03-28 | 2016-06-15 | 上海物联网有限公司 | WIFI-based intelligent terminal real-time sniffing method and real-time sniffing system |
| CN108062033B (en) * | 2017-11-29 | 2021-04-30 | 杭州九略智能科技有限公司 | Industrial protocol automatic simulation test system and method based on Linux system |
| US10404609B2 (en) * | 2017-12-14 | 2019-09-03 | Litepoint Corporation | Method for delaying signal transmissions from a device under test (DUT) by transmitting congestive communication channel signals |
| CN113708997B (en) * | 2021-08-23 | 2023-05-30 | 国电南瑞科技股份有限公司 | Simulation detection system and method suitable for cloud edge interaction protocol consistency detection of power distribution Internet of things |
| CN115396335B (en) * | 2022-08-11 | 2023-05-16 | 重庆邮电大学 | Industrial wireless network equipment access IPv6 test system and method based on micro-service |
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