CN101321093A - System for supporting on-site development and debugging of wireless sensor network - Google Patents
System for supporting on-site development and debugging of wireless sensor network Download PDFInfo
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Abstract
The invention discloses a system that supports field development and debugging of wireless sensor network. The system includes a debugging server, a client operation platform, a plurality of target nodes and a plurality of debugging nodes connected with the target nodes that form a target network in a self-organized network manner. The debugging nodes form a debugging network by wireless technology. The debugging network is connected with the debugging server by the network nodes. The client operation platform is interactive with the debugging server in communication; the advantages of the invention lie in that the control function is integrated to an independent debugging node, which enables soft and hard ware structure of the target nodes to be basically identical to the WSN nodes deployed actually, such that providing a nearly real soft and hard ware basic platform for the WSN development and debugging. Actual operation effect and experimental result are close, which improves reality; the independent debugging network that can be deployed in field is adopted without limit of field, which provided totally real physical environment for WSN development and debugging.
Description
Technical field
The present invention relates to a kind of back-up system of wireless sensor network, especially relate to a kind of system that supports wireless sensor network on-site development and debugging.
Background technology
WSN (Wireless Sensor Network, wireless sensor network) is the wireless network of the oriented mission that constitutes in the mode of wireless self-organization network by one group of a plurality of sensor node that are distributed in desired location, it combines multiple art such as sensor technology, embedded computing technique, modern network and wireless communication technology, distributed information processing, by all kinds of microsensors target information is monitored in real time, by embedded computational resource information is handled, and information is sent to remote user end by cordless communication network.WSN has very wide application prospect, in many fields such as military and national defense, industrial or agricultural control, city management, biologic medical, environmental monitoring, rescue and relief work, anti-probably anti-terrorism, deathtrap Long-distance Control important scientific research value and practical value is arranged all.
Yet, WSN is a kind of resource-constrained distributed system in essence: wireless autonomous sensor node is set in the various physical environments, cooperation is divided the work mutually, finish the function of data acquisition, processing and transmission, but the big energy of these sensor nodes and bandwidth is all for extremely limited.From microcosmic angle, the difficulty of obtaining of the state of sensor node is far longer than common network node, from macroscopic perspective, the operation conditions of network and performance also are difficult to tolerance than general networking and analyze, and this has brought great difficulty just for exploitation, debugging and this deployment in site of deployment of WSN.
At present, the main method that relies on the network software simulation of the exploitation of WSN and debugging.Network analog software can carry out large-scale network operation emulation, and be easy to debug, but owing to be difficult to physical environment that is virtually reality like reality and characteristics of radio channels, and simulation softward has all used the model of simplifying, make actual motion effect and simulation result that very big difference often be arranged, cause WSN to do over again even fail.
Along with going deep into of research and application, WSN researchers recognize, by using real WSN node to set up network test bed (testbed), then can be in comparatively real environment the agreement and the algorithm of checking and test network, avoided the theoretical error that causes because of model simplification.Therefore, in recent years, the network test bed is more and more paid close attention to by WSN researchers, university that some are famous and research institution have set up corresponding software and hardware facilities one after another, and wherein most representative is the MoteLab of Harvard University, the Kansei of Ohio State University and the Emstar of University of California, Los Angeles.
MoteLab is made up of a plurality of WSN nodes that are deployed in office environment, and all nodes pass through serial ports-Ethernet interface keyset access to LAN, and then links to each other with server; Server via Ethernet is carried out reprogrammed and is collected experimental data node, and externally provides functions such as test mission management, schedule scheduling and user capture control in the mode of Web, makes a plurality of users can share this network test bed.Kansei is made up of static network, portable network and mobile network's three parts; Portable network is used for being deployed to actual environment and carries out data acquisition, the data of gathering are sent on the software platform Director of Kansei by Ethernet, elder generation is to the model of data foundation based on the physical parameter characteristic in software platform Director, by methods such as probability interpolation data are expanded among static network and the mobile network again, carry out the hybrid analog-digital simulation experiment.Emstar is a mixing platform in essence, it is connected to each sensor node on the emulation server with Serial Port Line, a simulation node on the corresponding emulation server of each sensor node, when carrying out network simulation, the communication between the simulation node is still undertaken by real sensor node.
MoteLab provides program updates and data collection comparatively easily, improved the development efficiency of sensor network to a certain extent, yet it is zero to the support of wireless sensor network debugging substantially, and the overwhelming majority work of data preparation and analysis still needs user oneself to go to finish; The portable network of Kansei provides the means of obtaining field data, but does not support field adjustable, and its interpolation method of implementing on static network and mobile network also can bring error to network experiment; The mixed characteristic of Emstar provides debugging preferably to support, but its debug function mainly depends on network simulation environment, and validity is limited.In addition, above-mentioned network test bed system all links to each other the WSN node in wired mode, therefore can only be installed in the laboratory environment, with final applied environment suitable difference is arranged still, and scale is difficult to also further expand greatly.
Summary of the invention
Technical problem to be solved by this invention provides a kind of validity height, and supports the wireless sensor network on-site development of real physical environment and characteristics of radio channels and the system of debugging.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of system that supports wireless sensor network on-site development and debugging, this system comprises debugging server, the client operation platform, a plurality ofly be used to gather the destination node of sensing data and the debugging node that a plurality of and described destination node is connected, described destination node is formed objective network in the mode of self-organizing network, described debugging node is formed debugging network with wireless technology, described debugging network is connected with described debugging server by gateway node, described client operation platform is with IP (Internet Protocol, Internet agreement) network or other communication networks and described debugging server communication interaction.
Described wireless technology is Bluetooth technology or WiFi (Wireless Fidelity, Wireless Fidelity) technology.
Described debugging server comprises server operation platform and database, described server operation platform respectively with described client operation platform and described debugging node communication interaction; Described server operation platform is collected the operation information of the described destination node of described debugging nodes records, and deposits operation information in described database; Described server operation platform converts the debugging request that described client operation platform sends to concrete control command, indicates described debugging node to carry out corresponding action, and handles corresponding execution result.
Pass through the mutual communication interaction of communication interface between described server operation platform and the described client operation platform, described communication interface is the remote procedure call mechanism based on XML-RPC (XML Remote Procedure Call, XML RMI) technology.
Described destination node is provided with hardware interface and software interface; Described hardware interface comprises UART (Universal Asynchronous Receiver/Transmitter, UART Universal Asynchronous Receiver Transmitter) interface, replacement interface, online programming interface and interrupt requests interface; Described software interface is that the interrupt routine that is used to control described destination node calls, it comprise node procedure upgrade call, power control is called and send calling of event report and daily record of work by described UART interface.
Described client operation platform is provided with subscriber interface module, described subscriber interface module comprises the control interface that is made of control view, test script view and control Log Views, by network operation view, message sequence view with monitor monitoring interface and the assay surface that Log Views constitutes; Described control interface is the user interface of the described destination node of control, and described monitoring interface is for observing the user interface of WSN operation conditions, and described assay surface is for analyzing the user interface of WSN experimental result.
Described monitoring interface is provided with filter and file output module, and described file output module outputs to the whole service process of WSN in the text, carries out the off-line debugging for the user.
Also be provided with the output module that is used for the output attribute file on the described client operation platform, store every address that parameter and described debugging server are set that parameter, described filter are set of described client operation platform in the described property file.
Compared with prior art, advantage of the present invention is as follows:
1, controlled function is integrated into independently debugs in the node, make that the software and hardware structure of destination node can be basic identical with the sensor node of the WSN of actual deployment, this develops for WSN and debugging provides almost completely real software and hardware basic platform, thereby make actual motion effect and experimental result extremely close, improved validity;
2, adopted independently wireless debugging network, so the objective network that this system can follow WSN is deployed in site of deployment together, carries out field adjustable, this provides fully real physical environment for WSN exploitation and debugging;
3, adopted and independently debugged node, can be in the process of exploitation, according to the dynamic native system structure of adjusting of the network size size of objective network: when network size hour, the target complete node all can be connected with the debugging node; And when network size is big, can be connected with the debugging node as key node by selection portion partial objectives for node, this develops for large-scale WSN and debugging provides guarantee effectively;
4, provide means such as test script and test pack, improved the automaticity of experiment, made things convenient for the user to carry out complicated field network experiment;
5, provide multiple visualization view, made things convenient for the user to observe state and performance with evaluating objects network and destination node, and filter is provided, made the user can be directed to interested network subset rapidly;
6, the output module of file output module and output attribute file is provided, has made things convenient for the user to carry out off-line debugging and analysis, and fast quick-recovery experiment is provided with;
7, the overall structure of this system has adopted C/S (Client/Server, client/server) pattern, support remote debugging, between client operation platform and debugging server and debugging server and debugging node, adopted communication interface based on the remote procedure call mechanism of XML-RPC technology, communication efficiency height not only, and the function of being convenient to native system expands.
Description of drawings
Fig. 1 is a general structure schematic diagram of the present invention;
Fig. 2 is the structure of debugging server of the present invention and client operation platform and the connection diagram between them;
Fig. 3 is the interface schematic diagram between destination node of the present invention and the debugging node;
Fig. 4 is for carrying out the process schematic diagram of program updates to destination node of the present invention;
Fig. 5 carries out the process schematic diagram of wireless sensor network experiment for using script;
Fig. 6 develops and the validity of debugging and the comparison schematic diagram on the network size at WSN for the software simulation and the test envelope of the present invention and prior art.
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
As shown in Figure 1, a kind of system that supports wireless sensor network on-site development and debugging, this system comprises debugging server, a plurality of destination nodes that are used to gather sensing data, a plurality of debugging nodes that are connected with destination node and client operation platform, destination node is formed objective network in the mode of self-organizing network, utonomous working, each debugging node adopts the wireless technology of the maturation of bandwidth height and good stability to form debugging network, the operation of debugging network does not influence the operation of objective network, debugging network is connected with debugging server by a gateway node, long-range client operation platform is with IP (Internet Protocol, Internet agreement) network or other communication networks and debugging server communication interaction.Destination node requires to be deployed in application region or Experimental Area according to Application Design in the present embodiment, each destination node connects a debugging node, if but network size is excessive, can be according to applied environment and network condition, selection portion partial objectives for node is connected with the debugging node as key node; The debugging node is complete and independent radio node; Wireless technology can be Bluetooth technology, also can be WiFi (Wireless Fidelity, Wireless Fidelity) technology; This entire system adopts C/S (Client/Server, client/server) pattern.
The sensor node of the software and hardware structure of the destination node in the present embodiment and the WSN of actual deployment is basic identical, different is that destination node is not participated in debugging activity directly, but be connected with the debugging node, between debugging node and destination node, set up interconnective hardware interface and software interface, as shown in Figure 3, accept the control of debugging node by hardware interface and software interface; Hardware interface can be with the MCU of destination node (Micro Controller Unit, micro controller unit) slot that each function pin is drawn, the debugging node can be connected on the destination node very easily like this, hardware interface comprises UART (Universal Asynchronous Receiver/Transmitter, UART Universal Asynchronous Receiver Transmitter) interface, replacement interface, online programming interface and interrupt requests interface etc.; Software interface is that a series of interrupt routines that are used for the controlled target node call, it comprises that (being online programming) called in the node procedure renewal, power control is called and send calling of event report and daily record of work etc. by the UART interface, and power control has cell switch, power setting and battery status inquiry etc.The debugging node receives control command from debugging server, and also when needed to the debugging section point sink breath of notifying, these report information are coupled with timestamp, are stored in the debugging node, wait for the inquiry of debugging server for controlled target node then, destination node.Being provided with of hardware interface and software interface makes on the one hand reduces to minimum to the influence of destination node, allow its trouble-free operation to greatest extent, also reduced the load of debugging server on the other hand, promptly only when debugging server needs, just from debugging section point retrieval relevant information.
As shown in Figure 2, debugging server comprises server operation platform and database, runtime server operation platform and database couple together debugging network and client operation platform, and are responsible for transmitting and writing down between debugging network and client operation platform various Debugging message; The server operation platform is collected the operation information of the destination node of debugging nodes records, and operation information is deposited in the database; Simultaneously, the server operation platform converts the debugging request that the client operation platform sends to concrete control command, and the corresponding debugging of indication node is carried out corresponding action, and handles corresponding execution result.Pass through the mutual communication interaction of communication interface between server operation platform and the client operation platform, communication interface adopts based on XML-RPC (XML Remote Procedure Call, the XML RMI) the remote procedure call mechanism of technology, transmitting control commands, or from database, download experiment information.
Debugging node modulated examination server controls in the debugging network, and be further used for controlling and the monitored object node, its major function mainly comprises two aspects, provide the far call interface for debugging server on the one hand, make debugging server to carry out function control to the debugging node, and to debugging server transmission report, be the embedded environment that adapts to the debugging node, set up the remote procedure call environment of lightweight thereon; Receive the control command that debugging server is sent on the other hand, destination node is controlled, upgrade, send instruction and receive event report etc. as replacement, node procedure.
Above-mentioned client operation platform is directly in the face of user's rear end operation platform, it and the mutual communication interaction of debugging server, make the user can the destination node of debugging on the node be controlled to being connected, supervision and performance evaluation.The client operation platform is provided with subscriber interface module, and subscriber interface module comprises control interface, monitoring interface and assay surface.
1, control the interface, the user interface of controlled target node is provided, this interface comprises three sub-interfaces:
1), control view: the deployment scenario that shows each destination node in the control view, the user can select corresponding single or a plurality of destination nodes in this view, destination node is carried out hand-guided, directly to they transmitting control commands, as carry out node procedure and upgrade power control etc.;
2), test script view: this system provides the interface of form of scripts, supply the user when needs are carried out complicated networking experiment, describe test plan (as experiment time, the node, number of packet sent and the frequency that participate in experiment and the power of node etc.), the user can create, edit, set and carry out the experiment script in the test script view; The client operation platform is responsible for test script is construed to concrete control command, sends to debugging server, and experimental result will be stored in the database of debugging server; At more complicated experiment, the user can also be organized into a plurality of test scripts a test pack, and automatic sequence is carried out, and realizes laboratory automation;
3), control Log Views: this view is with the execution and the feedback information of the form of literal output control command and test script, and is for reference and find that in time fault guarantees to control successfully.
The control interface also comprises a control command parsing module, and the function of this module is mainly: the control command that the user is imported in the control view passes to debugging server; The test script of interpreting user input, and convert the control commands corresponding sequence to, pass to debugging server; Inquiry control corresponding feedback information from debugging server is for the output of control Log Views.
2, monitoring interface provides the user interface of observing the WSN operation conditions, and this interface comprises three sub-interfaces:
1), network operation view: this view adopts the real-time display-object node distribution of multiple visual form situation, communication event between the ruuning situation of objective network and each destination node: depict packet delivery between destination node (the different different transmission result of color representative with the form of colored arrow, shown in green as minute group of received success, failure then is red), (different colours is represented different link-qualities to represent link between destination node with colored line, represent that as green link-quality is good, blue expression link-quality is general, the red link-quality of representing is low), and on line, mark link-quality numerical value; With colored circle expression node, the dump energy level (represent that as green dump energy is many, blue expression dump energy is few, and on behalf of dump energy, redness be lower than warning value) that different color representatives is different;
2), the message sequence view: this view for the user provides another be the visual angle of the benchmark ruuning situation of coming the object observing network with time with destination node between communicate by letter, and depict internodal packet delivery with the form of colored arrow;
3), monitor Log Views: this view is with the details in the form export target network operation process of literal, and is for reference and in time find fault.
If network is larger, the information that shows in the monitoring interface is too numerous and disorderly, the user can also set node and the community set that needs observation by the filter that is arranged on the monitoring interface, in case filter is implemented, to only show specific node and community set in the monitoring interface, be convenient to the key link that the user observes network, be convenient to the user and debug, and avoided the interference of irrelevant information.
Monitoring interface also is provided with the file output module, and the whole service process that is about to WSN outputs in the text, carries out the off-line debugging for the user.
Monitoring interface also comprises a network monitoring module, and the function of this module is mainly: from the operation information of debugging server download objective network, show for each view in this interface; Accept the filter of user's appointment, and filter the relevant network information according to the setting of filter.
3, assay surface provides the user interface of phase-split network experimental result, and this interface comprises interpretation module and some analysis views (as histogram, curve chart etc.); The interpretation module is downloaded experimental result from debugging server, and the taxonomic revision tissue; The user can select forms such as histogram, curve chart to observe and analyze experimental result in analyzing view; The user can also save as text with experimental result, for the usefulness of analysis next time.
The client operation platform also is provided with the output module that is used for the output attribute file.The user is after configuring every setting of client operation platform, the parameter that is provided with of these settings can be saved as property file, also can store the parameter that is provided with in the property file such as filter, the color that the different communication incident is provided with and the information such as address of debugging server, property file can allow the same experiment setting of the fast quick-recovery of user.
The exploitation of wireless sensor network of the present invention and the Core Feature of debugging are the control to objective network.It is often repetition in exploitation and the debug process that node procedure upgrades, and also is a very important control operation.Therefore, be updated to the example description with node procedure below and how utilize the present invention that network is controlled, as shown in Figure 4, detailed process is as follows:
A. user's selected one or more in the control view needs the destination node of refresh routine, selected simultaneously new node procedure file (normally suffix hex by name or bin file);
B. the client operation platform converts new program file to character string forms, sends to debugging server, and after waiting for a period of time, the client operation platform is inquiry updating record situation from debugging server constantly;
C. debugging server is reduced into binary form with new program file, and sends to relevant debugging node by debugging network;
D. the debugging section new program file of naming a person for a particular job downloads on the destination node, and controlled target node updates program;
E. after destination node is finished program updates, send to upgrade whether successful updating record to the debugging node;
F. the debugging section updating record of naming a person for a particular job sends to debugging server;
G. debugging server sends to the client operation platform with updating record, and the client operation platform shows corresponding updating record in the control Log Views, for reference.
As can be seen from Figure 4, what adopt between debugging server, debugging node and destination node is the communication pattern of " driving ", promptly after receiving message, take corresponding actions again, and what take between client operation platform and debugging server is the communication pattern of " extending type ", promptly the client operation platform after sending order constantly to the server lookup result.The combination of two kinds of communication patterns has not only been considered between debugging server, debugging node and the destination node and the difference of the communication media bearing capacity between client operation platform and the debugging server, and makes the user can obtain the order feedback more timely.
Laboratory automation of the present invention is core with the test script, has improved the efficient of WSN exploitation and debugging.The execution mode of laboratory automation is described with a simple experimental example below, and this experiment comprises two destination nodes, and two destination nodes represent with A and B that respectively its detailed process is as follows:
A. A and B are carried out initialization, set various parameters;
B.B prepares to receive grouping, and A begins to send grouping;
C.A stops to send behind the interval that sends appointment;
D.B calculates the grouping acceptance rate, and reports to debugging server;
E. the client operation platform is inquired about experimental result.
As shown in Figure 5, the user to implement the detailed process of above-mentioned experiment as follows:
A. in the test script view, import the script of describing and carrying out this experimentation;
B. the control command parsing module of client operation platform is interpreted as concrete control command with this test script, sends to debugging server;
C. debugging server sends initialization command by the debugging node that is connected with A to A, and A finishes initialization and report;
D. debugging server sends initialization command by the debugging node that is connected with B to B, and B finishes initialization and report;
E. debugging server sends the order that begins to receive grouping by the debugging node that is connected with B to B;
F. debugging server sends the order that begins to send grouping by the debugging node that is connected with A to A;
G. debugging server sends the order that stops to send grouping by the debugging node that is connected with A to A;
H. debugging server sends the order of calculating the grouping acceptance rate by the debugging node that is connected with B to B;
I.B reports result of calculation to debugging server;
J. the client operation platform obtains experimental result from debugging server.
In order clearly to show whole process, omitted debugging node link among Fig. 5, and the communication details between client operation platform and the debugging server, specifically can be with reference to figure 4.In the said process, reporting the result of process c and process d can check in the control Log Views that the running of process e, process f and process g can and monitor in the Log Views at network operation view, message sequence view and observe.In monitoring interface, the user can select experimentation is recorded as a text, for off-line observation in the future.After the user obtains data, can in assay surface, carry out corresponding calculated and analysis.
Fig. 6 has provided the present invention and software simulation and test envelope in WSN exploitation and the validity of debugging and the contrast of network size, validity height as can be seen from the figure of the present invention, and the application network scale is big, illustrates that system of the present invention is feasible effective.
Claims (8)
1, a kind of system that supports wireless sensor network on-site development and debugging, it is characterized in that this system comprises debugging server, the client operation platform, a plurality ofly be used to gather the destination node of sensing data and the debugging node that a plurality of and described destination node is connected, described destination node is formed objective network in the mode of self-organizing network, described debugging node is formed debugging network with wireless technology, described debugging network is connected with described debugging server by gateway node, and described client operation platform is with IP network and described debugging server communication interaction.
2, the system of support wireless sensor network on-site development according to claim 1 and debugging is characterized in that described wireless technology is Bluetooth technology or WiFi technology.
3, the system of support wireless sensor network on-site development according to claim 1 and debugging, it is characterized in that described debugging server comprises server operation platform and database, described server operation platform respectively with described client operation platform and described debugging node communication interaction; Described server operation platform is collected the operation information of the described destination node of described debugging nodes records, and deposits operation information in described database; Described server operation platform converts the debugging request that described client operation platform sends to concrete control command, indicates described debugging node to carry out corresponding action, and handles corresponding execution result.
4, the system of support wireless sensor network on-site development according to claim 3 and debugging, it is characterized in that passing through the mutual communication interaction of communication interface between described server operation platform and the described client operation platform, described communication interface is the remote procedure call mechanism based on the XML-RPC technology.
5, the system of support wireless sensor network on-site development according to claim 1 and debugging is characterized in that described destination node is provided with hardware interface and software interface; Described hardware interface comprises UART interface, replacement interface, online programming interface and interrupt requests interface; Described software interface is that the interrupt routine that is used to control described destination node calls, it comprise node procedure upgrade call, power control is called and send calling of event report and daily record of work by described UART interface.
6, the system of support wireless sensor network on-site development according to claim 1 and debugging, it is characterized in that described client operation platform is provided with subscriber interface module, described subscriber interface module comprises the control interface that is made of control view, test script view and control Log Views, by network operation view, message sequence view with monitor monitoring interface and the assay surface that Log Views constitutes; Described control interface is the user interface of the described destination node of control, and described monitoring interface is for observing the user interface of WSN operation conditions, and described assay surface is for analyzing the user interface of WSN experimental result.
7, the system of support wireless sensor network on-site development according to claim 6 and debugging, it is characterized in that described monitoring interface is provided with filter and file output module, described file output module outputs to the whole service process of WSN in the text, carries out the off-line debugging for the user.
8, the system of support wireless sensor network on-site development according to claim 7 and debugging, it is characterized in that also being provided with the output module that is used for the output attribute file on the described client operation platform, store every address that parameter and described debugging server are set that parameter, described filter are set of described client operation platform in the described property file.
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| CN1314240C (en) * | 2005-01-28 | 2007-05-02 | 北京邮电大学 | Wireless sensor network system and method supporting task reconfiguration |
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| CN101789967B (en) * | 2010-01-12 | 2013-11-13 | 重庆大学 | Remote test service system based on electronic commerce and use method thereof |
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| CN103135522A (en) * | 2012-12-19 | 2013-06-05 | 合肥泰禾光电科技股份有限公司 | Remote debug system of material separation equipment |
| CN104239015A (en) * | 2013-06-18 | 2014-12-24 | 上海斐讯数据通信技术有限公司 | Script language extension method |
| CN104239015B (en) * | 2013-06-18 | 2018-09-28 | 上海斐讯数据通信技术有限公司 | The extended method of script |
| CN108683547A (en) * | 2018-05-29 | 2018-10-19 | 中科边缘智慧信息科技（苏州）有限公司 | A kind of wireless sensor network configuration method of software definition |
| CN113613276A (en) * | 2021-09-22 | 2021-11-05 | 深圳创维数字技术有限公司 | Method, device, equipment and storage medium for testing Mesh network performance |
| CN113613276B (en) * | 2021-09-22 | 2023-09-19 | 深圳创维数字技术有限公司 | Mesh network performance testing method, device, equipment and storage medium |
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| CN101321093B (en) | 2010-11-03 |
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