CN105871571A - Method and system for managing sensor network - Google Patents

Method and system for managing sensor network Download PDF

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Publication number
CN105871571A
CN105871571A CN201510028557.0A CN201510028557A CN105871571A CN 105871571 A CN105871571 A CN 105871571A CN 201510028557 A CN201510028557 A CN 201510028557A CN 105871571 A CN105871571 A CN 105871571A
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code
bag
sensor
sensor node
sensor network
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CN201510028557.0A
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CN105871571B (en
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包开阳
魏建明
马皛源
唐玮圣
张波
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Shanghai Advanced Research Institute of CAS
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Shanghai Advanced Research Institute of CAS
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Abstract

The invention provides a method and a system for managing a sensor network. The method comprises steps: a sensor node receives one or more executable code packages, and the code packages are stored in an external memory for the sensor node; the sensor node receives a command package with a command instruction; and a code package corresponding to the command instruction in the external memory is loaded to the sensor node for operation. The system of the invention comprises a code package management module and a command package management module, wherein the code package management module is used for receiving executable code packages and storing the code packages in the external memory for the sensor node; the command package management module is used for receiving the command package with the command instruction; and the code package corresponding to the command instruction in the external memory is loaded to the sensor node for operation. According to the technical scheme of the invention, the function of upgrading a large number of sensor nodes in a short time through remote updating can be realized.

Description

A kind of sensor network management method and system
Technical field
The present invention relates to a kind of network technology, particularly relate to a kind of sensor network management method and system.
Background technology
The monitored area environment at sensor node place is continually changing, and in order to meet different monitoring requirements, node must be able to Enough changes along with external environment condition increase or change some functions.When Sensor Network is carried out scientific research or functional test, due to The number of nodes of Sensor Network is huge, and inefficient artificial code update mode can not meet the most far away scientific research and the demand of engineering debugging. When the sensing net node in region unreachable to the mankind carries out code update, can only wirelessly carry out boot image distribution, and Completion code more new task.
One of emphasis of sensor network long-distance upgrading renewal and management technique is the generation patterns of code.The renewal mould of code at present Formula mainly has three kinds: the first: generation patterns based on whole code, replaces by new code image entirely by the code in Flash Changing, energy expenditure is big, typically results in the waste of unnecessary energy and memory space, and the requirement to transmission is the highest;The second: Code update pattern based on difference, this pattern produces patch based on the difference between new and old code, patch is sent to sensor Node carries out code update, and the advantage of the method is energy-conservation, but the process producing different patch is the most complicated, except algorithm is complicated Outside, hardware platform describes the instruction set of difference and designs according to specific processor;The third: code based on virtual machine Generation patterns, the speed of service of virtual machine is slower than local code, and for virtual machine, it is impossible to realize the code of bottom Update, such as device drives, operating system kernel program etc..
On the other hand, current sensor node reprogram technology needs node reboot, is based particularly on whole code update Mode.Restart wireless sensor node efficiency low, cause the instability of whole system and the disappearance of function, particularly right The loss of significant data is caused in the environment of the requirement of real-time of sensing data is higher.Under current technology means, when new After code is sent to node, it is impossible to the function of node is operated and selects.If it is intended to node realize new function must Must again carry out the renewal upgrading of program, the distribution of code and programming.Traditional radio sensing network remote management technologies, be all Needing upgrading each time when, fresh code bag is sent to node, causes upgrading to be every time required for doing some identical work, Cause the waste of node energy simultaneously, remotely manage poor efficiency.
In consideration of it, how to find the management method that in a kind of sensor network, sensing node code remote upgrade updates to become this area Technical staff's problem demanding prompt solution.
Summary of the invention
The shortcoming of prior art in view of the above, it is an object of the invention to provide a kind of sensor network management method and system, For solving the problem that in prior art, the sensor network nodes efficiency of management is low.
For achieving the above object and other relevant purposes, the present invention provides a kind of sensor network management method, described sensor network Network management method includes: sensor node receives one or more executable code bags, and described code bag is stored in described biography In the external memory storage of sensor node;Described sensor node receives the order bag containing command instruction;By described external memory storage In described code bag corresponding with described command instruction be loaded in described sensor node operation.
Alternatively, described sensor network management method also includes: described sensor node sends described to other sensor nodes Described code bag in sensor node external memory storage.
Alternatively, described code bag includes ELF file.
Alternatively, described external memory storage includes SD card.
Alternatively, described sensor network includes wireless sensor network.
The present invention also provides for a kind of sensor network management system, and described sensor network management system includes: reason mould assured by code Block, described code assure reason module for receiving executable code bag, described code bag is stored in the outside of sensor node In memorizer;Reason module is assured in order, and described order assures reason module for receiving the order bag containing command instruction;By described In external memory storage, described code bag corresponding with described command instruction is loaded in described sensor node operation.
Alternatively, described external memory storage includes SD card.
Alternatively, described sensor network management system also includes functional control module, and described functional control module is for described Code assure reason module send need update described code bag, and/or to described order assure reason module send described order bag.
Alternatively, described code assure reason module be additionally operable to other sensor nodes send described sensor node external memory storage In described code bag.
Alternatively, described sensor network includes wireless sensor network.
Alternatively, described functional control module is positioned on the control server of wireless sensor network, and reason module assured by described code And described order assures reason module and is positioned in sensor node, described functional control module by wireless sensor network base station to Described sensor node sends described code bag and described order bag.
Alternatively, described code bag includes ELF file.
As it has been described above, a kind of sensor network management method of the present invention and system, have the advantages that 1, can be in army Thing application (under battlefield surroundings), industrial application (under steel-making boiler high temperature environment), environmental monitoring (external environment condition The most severe region), in the environment such as Smart Home, according to the change of monitored area, sensor node place environment, remotely control The detection function of sensor node processed, makes corresponding function and adjusts, possess the function of Remote.2, by the generation of multiple functions Code bag is stored in the SD card of node, and when sensor node function modifications to be carried out, manager sends the corresponding command bag to node Just can run the code bag of other functions in SD card, it is not necessary to retransmit this fresh code bag to sensor node.Thus reduce The time of node software upgrading, greatly facilitate management personnel's maintenance work to node.3, the number of nodes of Sensor Network is huge, Realizing remotely updating in reaching the short time function of a large amount of sensor nodes of upgrading, efficient mode meets scientific research and engineering debugging Demand.
Accompanying drawing explanation
Fig. 1 is shown as the schematic flow sheet of an embodiment of a kind of sensor network management method of the present invention.
Fig. 2 is shown as the module diagram of an embodiment of a kind of sensor network management system of the present invention.
Fig. 3 is shown as the module diagram of an embodiment of a kind of sensor network management system of the present invention.
Fig. 4 is shown as the overall structure schematic diagram of an embodiment of a kind of sensor network management system of the present invention.
Fig. 5 is shown as the sensor node structural representation of an embodiment of a kind of sensor network management system of the present invention.
The code of the embodiment that Fig. 6 is shown as a kind of sensor network management system of the present invention is assured reason resume module flow process and is shown It is intended to.
The order of the embodiment that Fig. 7 is shown as a kind of sensor network management system of the present invention is assured reason resume module flow process and is shown It is intended to.
Element numbers explanation
1 sensor network management system
Reason module assured by 11 codes
Reason module is assured in 12 orders
13 functional control modules
S1~S3 step
Detailed description of the invention
Below by way of specific instantiation, embodiments of the present invention being described, those skilled in the art can be by disclosed by this specification Content understand other advantages and effect of the present invention easily.The present invention can also be added by the most different detailed description of the invention To implement or application, the every details in this specification can also be based on different viewpoints and application, in the essence without departing from the present invention Various modification or change is carried out under god.
It should be noted that the diagram provided in the present embodiment illustrates the basic conception of the present invention the most in a schematic way, the most graphic In component count, shape and size time only display with relevant assembly in the present invention rather than is implemented according to reality draw, its reality During enforcement, the kenel of each assembly, quantity and ratio can be a kind of random change, and its assembly layout kenel is likely to increasingly complex.
The present invention provides a kind of sensor network management method.In one embodiment, as it is shown in figure 1, described sensor network Management method includes:
Step S1, sensor node receives one or more executable code bags, described code bag is stored in described sensor In the external memory storage of node.Specifically, described code bag is one and can be used for realizing with the executable code segment of load and execution The function of sensor.Different code bag can realize different sensor functions after being loaded into sensor node.An embodiment In, described code bag is executable file, the executable file such as including ELF file.ELF(Executable and Linking Format) be the form of a kind of obj ect file, be used for defining in different types of obj ect file (Object files) all put what, And all with which type of form go to put these things.It is from occurring after in System V system, by the xNIX world Accepted extensively, used as default binary file format.Described external memory storage is connected in described sensor node, Described external memory storage includes the storage cards such as SD card, mmc card (MultiMedia Card card), memory stick.SD card (Secure Digital Memory Card) it is a kind of storage card based on semiconductor flash memory technique.Described sensor network includes wireless senser Network.Multiple sensor nodes are linked together by wireless sensor network by base station.
Step S2, described sensor node receives the order bag containing command instruction.Specifically, described sensor node receives Order bag in containing indicating the command instruction of code bag needing to load, described command instruction determines described sensor node and needs Code bag to be loaded is to realize corresponding sensor function.
Step S3, is loaded into described sensor node by described code bag corresponding with described command instruction in described external memory storage Middle operation.In one embodiment, sensor node determines described sensor node according to described command instruction needs loading Code bag, and by loading procedure, the described code bag in external memory storage is loaded in the flash storage of described sensor Perform.Described code wraps in and runs in sensor node to realize corresponding sensor node function.Can be realized by order bag The purpose of remote control sensor nodal function.In one embodiment, the flash storage that described sensor uses can be Need not under applied external voltage condition, realize in-system programming (ISP).Its flash storage can be programmed by CPU.Flash Memorizer selects write or erasing mode by BLKWAR, WRT, MERAS and ERASE position.Work as flash storage Sector when being busy with programming or erasing, read from this sector or write be prohibited from.To the erasing of flash storage or Person writes and starts from flash storage or RAM.
In one embodiment, described sensor network management method also includes: described sensor node is to other sensor nodes Send the described code bag in described sensor node external memory storage.Specifically, receive from other when described sensor node When the code bag of sensor node is asked, by point-to-point by generation corresponding with described request in described sensor node external memory storage Code bag is sent to other nodes, until the requested sensor node of code bag of all requests is properly received.
The present invention also provides for a kind of sensor network management system.In one embodiment, as in figure 2 it is shown, described sensor network Network management system 1 includes that reason module 11 assured by code and reason module 12 is assured in order.Wherein:
Code assure reason module 11 for receiving executable code bag, the outside that described code bag is stored in sensor node is deposited In reservoir.Specifically, code is assured reason module 11 and is positioned on sensor node, and code assures reason module 11 by described code bag It is stored in the external memory storage of described sensor node.Described code bag be one can with the executable code segment of load and execution, For realizing the function of sensor.Different code bag can realize different sensor functions after being loaded into sensor node.One In individual embodiment, described code bag is executable file, the executable file such as including ELF file.ELF(Executable and Linking Format) it is the form of a kind of obj ect file, it is used for defining in different types of obj ect file (Object files) and all puts What and all with which type of form go to put these things.It is from occurring after in System V system, quilt The xNIX world is accepted extensively, and uses as default binary file format.Described external memory storage is connected to described biography In sensor node, described external memory storage includes the storages such as SD card, mmc card (MultiMedia Card card), memory stick Card.SD card (Secure Digital Memory Card) is a kind of storage card based on semiconductor flash memory technique.Described sensor network Network includes wireless sensor network.Multiple sensor nodes are linked together by wireless sensor network by base station.
Order assures reason module 12 for receiving the order bag containing command instruction;Described external memory storage will be referred to described order Corresponding described code bag is made to be loaded in described sensor node operation.Specifically, order assure reason module 11 be positioned at sensor On node, order assures reason module 12 for receiving the order bag containing command instruction;By in described external memory storage with described life Order instructs corresponding described code bag and is loaded in described sensor node operation.In one embodiment, reason module is assured in order 12 determine, according to described command instruction, the code bag that described sensor node needs to load, and are stored outside by loading procedure Described code bag in device is loaded in the flash storage of described sensor execution.Described code wraps in sensor node and transports Row is to realize corresponding sensor node function.The purpose of remote control sensor nodal function can be realized by order bag.? In one embodiment, described sensor use flash storage can realize under need not applied external voltage condition be Unified editing journey (ISP).Its flash storage can be programmed by CPU.Flash storage passes through BLKWAR, WRT, MERAS Write or erasing mode is selected with ERASE position.When programming or erasing are being busy with in the sector of flash storage, from this fan District's reading or write are prohibited from.To the erasing of flash storage or write and start from flash storage or RAM.
The present invention also provides for a kind of sensor network management system.In one embodiment, as it is shown on figure 3, described sensor network Network management system 1 includes that reason module 11 assured by code, reason module 12 and functional control module 13 are assured in order.Wherein:
Code assure reason module 11 for receiving executable code bag, the outside that described code bag is stored in sensor node is deposited In reservoir.Specifically, code is assured reason module 11 and is positioned on sensor node, and code assures reason module 11 by described code bag It is stored in the external memory storage of described sensor node.Described code bag be one can with the executable code segment of load and execution, For realizing the function of sensor.Different code bag can realize different sensor functions after being loaded into sensor node.One In individual embodiment, described code bag is executable file, the executable file such as including ELF file.ELF(Executable and Linking Format) it is the form of a kind of obj ect file, it is used for defining in different types of obj ect file (Object files) and all puts What and all with which type of form go to put these things.It is from occurring after in System V system, quilt The xNIX world is accepted extensively, and uses as default binary file format.Described external memory storage is connected to described biography In sensor node, described external memory storage includes the storages such as SD card, mmc card (MultiMedia Card card), memory stick Card.SD card (Secure Digital Memory Card) is a kind of storage card based on semiconductor flash memory technique.Described sensor network Network includes wireless sensor network.Multiple sensor nodes are linked together by wireless sensor network by base station.A reality Executing in example, described code is assured reason module 11 and is additionally operable to send in described sensor node external memory storage to other sensor nodes Described code bag.When the code bag request that reason module 11 receives from other sensor nodes assured by code, incite somebody to action point-to-point In described sensor node external memory storage, code bag corresponding with described request is sent to other nodes, until the generation of all requests Code wraps requested sensor node and is properly received.
Order assures reason module 12 for receiving the order bag containing command instruction;Described external memory storage will be referred to described order Corresponding described code bag is made to be loaded in described sensor node operation.Specifically, order assure reason module 11 be positioned at sensor On node, order assures reason module 12 for receiving the order bag containing command instruction;By in described external memory storage with described life Order instructs corresponding described code bag and is loaded in described sensor node operation.In one embodiment, reason module is assured in order 12 determine, according to described command instruction, the code bag that described sensor node needs to load, and are stored outside by loading procedure Described code bag in device is loaded in the flash storage of described sensor execution.Described code wraps in sensor node and transports Row is to realize corresponding sensor node function.The purpose of remote control sensor nodal function can be realized by order bag.? In one embodiment, described sensor use flash storage can realize under need not applied external voltage condition be Unified editing journey (ISP).Its flash storage can be programmed by CPU.Flash storage passes through BLKWAR, WRT, MERAS Write or erasing mode is selected with ERASE position.When programming or erasing are being busy with in the sector of flash storage, from this fan District's reading or write are prohibited from.To the erasing of flash storage or write and start from flash storage or RAM.
Functional control module 13 sends, for assuring reason module 11 to described code, the described code bag needing to update, and/or to institute State order assure reason module 12 send described order bag.Specifically, described functional control module 13 is positioned at the control of sensor network In control server, functional control module 13 is for assuring reason module by sensor network to the described code being positioned at sensor node 11 send the described code bags needing to update, and/or assure reason to be positioned at sensor node to described order by sensor network Module 12 sends described order bag.Described functional control module 13 assures reason module 11 to the described code being positioned at sensor node Send and need the pattern of the described code bag updated to include: 1, unicast mode: if the code bag of single sensor node needs to rise Level, reason mould assured by the direct code that new code bag is sent to particular sensor node of functional control module 11 controlling server Block 11.2, multicasting mode: if the code bag of multiple sensor node needs upgrading, control the functional control module of server New code bag is sent to the code of multiple sensor node in the same time by 11 assures reason module 11.3, broadcast mode: control New code bag is sent to all the sensors node in sensor network in the same time by the functional control module 11 of control server Code assure reason module 11.Similarly, described functional control module 13 assures reason to the described order being positioned at sensor node Module 11 sends the pattern of described order bag and includes Three models: unicast mode, multicasting mode and broadcast mode.
In one embodiment, each sensor node in described sensor network management system when code bag is distributed all in One of three states: listening state, receive information state, photos and sending messages state.Sensor node under different duties, meeting Follow the dependency rule under this state.Under listening state, the upgrade information of sensor node monitoring sensor network and transmission oneself Version information, do not receive code bag.Receiving under information state, sensor node sends the request to latest edition code, receives Code bag, in the outside SD card of code write that will receive.Under photos and sending messages state, receive from other sensor node State bag request command, the code bag of other sensor nodes of point-to-point transmission request, until the requested sensing of all fresh codes Device node is properly received.
In one embodiment, described sensor network includes wireless sensor network.Described functional control module 13 is positioned at wireless On the control server of sensor network, reason module 11 assured by described code and described order is assured reason module 12 and is positioned at sensing In device node, described functional control module 13 sends described code bag by wireless sensor network base station to described sensor node And/or described order bag.
In one embodiment, as shown in Figure 4, described sensor network management system 1 is made up of three parts: PC control Software, wireless sensor network base station, wireless sensor network node, by the data interaction between three, it is achieved system Online upgrading.Wherein, described PC control software is the platform of man-machine interaction, and described PC control software includes function control Molding block 13, described PC control software is positioned on control server.When sensor node needs to carry out software upgrading, function During transformation, management personnel start sensor node online upgrading service by described upper computer software.Produce latest edition origin generation Code;Target ELF file is processed;The node that selection is to be upgraded;Select code distribution agreement;Escalation process at node Middle execution upgrade status is monitored;The return information that response base station is uploaded, is responsible for order bag and the distribution etc. of packet.Described wireless Sensor network base station is connected with host computer (control server) by RS-232 serial ports, is code distribution source node and node letter Breath aggregation node, is the heart of system worked well.In one embodiment, as it is shown in figure 5, described wireless sensor network Base station mainly includes MSP430 controller module and two parts of radio-frequency module.Described sensor node comprises SD card, its knot Structure is similar to base station.Reason module 11 assured by code and described order is assured reason module 12 and is positioned in described sensor node.Institute State sensor node major function to include: download and preserve fresh code;The code that inspection receives;Carry out the renewal of code;Inspection The selection of brake;Have to the ability of other nodes distribution fresh code.As shown in Figure 6, assure when the code of sensor node Reason module 11 is when receiving fresh code bag by radio-frequency module, and fresh code bag is stored outside and stores and set by the kernel of sensor node In standby SD card.As it is shown in fig. 7, when the order of sensor node assure reason module 12 receive order bag by radio-frequency module time, The kernel of sensor node will load APP code (i.e. with the order in described order bag from described External memory equipment SD card Instruct corresponding code bag) in Flash, Flash realizes information storage, boot loader and the master of described sensor node The function of storage.So, when sensor node needs to realize new sensor Detection task, appoint by receiving the new detection of instruction The order bag of business, from the code bag read SD card with described new Detection task corresponding address, is loaded in Flash execution, from And complete new sensor Detection task.In one embodiment, the distribution of described code bag includes both of which: one is straight Receive fresh code bag: fresh code bag directly is sent to need the sensor of software upgrading to save by PC control software by base station Point.Another kind is reception fresh code bag indirectly: receive the sensor node of fresh code bag actively by code distribution to also not upgrading Sensor node.In one embodiment, described sensor node uses MSP430 controller, and the Flash of MSP430 deposits Reservoir can realize in-system programming (ISP) under need not applied external voltage condition.CPU can be to its flash storage It is programmed.Flash storage selects write or erasing mode by BLKWAR, WRT, MERAS and ERASE position. When programming or erasing are being busy with in the sector of flash storage, it is prohibited from from the reading of this sector or write.Flash is deposited The erasing of reservoir or write and start from flash storage or RAM.Described sensor node flash storage erasing and Rewriting starts from BSL (bootstrap Loader, boot loader).After code bag is stored SD card, according to being connect The different command bag received, in SD card, by BSL, (bootstrap Loader, startup adds with the code bag of order bag corresponding function Load program) it is loaded in Flash execution, thus realize the purpose of remote control sensor nodal function.
In one embodiment, management personnel select sensor node to be upgraded by PC control software, send to node Upgrade command, node enters listening state.Management personnel select agreement distribution mode, are sent to need by base station by fresh code bag Sensor node to be upgraded.Sensor node is stored in after receiving fresh code bag in external SD card.Different code bag is real Existing different function, the sensor node function that described code bag realizes can include monitoring temperature, monitor PM2.5, monitor CO Deng.Within a certain period of time, having node to be not received by new code bag, return a fresh code bag request to base station, base station is again Secondary transmission fresh code bag is to this node.After sensor node is successfully received fresh code bag, management personnel are to sensor node Send order bag, indicate the function that described sensor node realizes, such as monitor temperature, monitor PM2.5, monitoring CO etc.. The microcontroller of sensor node reads corresponding code bag according to the code bag address that different order bags is corresponding and arrives FLASH performs, is at once monitored state.Management personnel select unicast mode by PC control software, by fresh code Wrap and be sent to the single node needing upgrading by base station.Other nodes are unaffected.After this node receives fresh code bag, Management personnel send the function that order bag selects to perform to need, and this node enters the duty of corresponding function at once.Management personnel Selecting multicasting mode by PC control software, after choosing the node needing upgrading, the same time sends multiple fresh codes Wrap on the multiple nodes needing upgrading.Carry out the multinode program upgrading of short time.Management personnel send order bag and select to perform The function needed, these specific nodes enter corresponding duty at once.Management personnel are selected by PC control software Broadcast mode, is sent to all of node by fresh code bag by base station.After all nodes receive new code bag, pipe Reason personnel send the function that order bag performs to need, and all nodes enter corresponding duty at once.Complete the magnanimity of short time Node upgrading task.When external environment changes or user changes the monitoring requirements of sensor node, management personnel Send the corresponding command bag to corresponding sensor node.Microcontroller reads the corresponding function module from SD card, performs corresponding New function.Management personnel are without sending whole new code bag to corresponding node.Complete high efficiency, the node of short time remote Thread management.
In sum, a kind of sensor network management method of the present invention and system can Military Application field (under battlefield surroundings), Industrial application (under steel-making boiler high temperature environment), environmental monitoring (region that external environment condition is the most severe), Smart Home Deng in environment, according to the change of monitored area, sensor node place environment, the detection function of remote control sensor node, do Go out corresponding function to adjust, possess the function of Remote.The code bag of multiple functions is stored in node by technical scheme SD card in, when sensor node function modifications to be carried out, manager sends the corresponding command bag just can run SD to node The code bag of other functions in card, it is not necessary to retransmit this fresh code bag to sensor node.Thus reduce node software upgrading Time, efficient mode meets scientific research and the demand of engineering debugging.So, the present invention effectively overcomes of the prior art all Shortcoming and have high industrial utilization.
The principle of above-described embodiment only illustrative present invention and effect thereof, not for limiting the present invention.Any it is familiar with this skill Above-described embodiment all can be modified under the spirit and the scope of the present invention or change by the personage of art.Therefore, such as All that in art, tool usually intellectual is completed under without departing from disclosed spirit and technological thought etc. Effect is modified or changes, and must be contained by the claim of the present invention.

Claims (10)

1. a sensor network management method, it is characterised in that described sensor network management method includes:
Sensor node receives one or more executable code bags, and described code bag is stored in described sensor node In external memory storage;
Described sensor node receives the order bag containing command instruction;
Described code bag corresponding with described command instruction in described external memory storage is loaded in described sensor node fortune OK.
Sensor network management method the most according to claim 1, it is characterised in that: described sensor network management method is also wrapped Include: described sensor node sends the described code bag in described sensor node external memory storage to other sensor nodes.
Sensor network management method the most according to claim 1, it is characterised in that: described external memory storage includes SD card.
Sensor network management method the most according to claim 1, it is characterised in that: described code bag includes ELF file.
5. a sensor network management system, it is characterised in that: described sensor network management system includes:
Reason module assured by code, described code assure reason module for receiving executable code bag, by described code bag store In the external memory storage of sensor node;
Reason module is assured in order, and described order assures reason module for receiving the order bag containing command instruction;By described outside In memorizer, described code bag corresponding with described command instruction is loaded in described sensor node operation.
Sensor network the most according to claim 5 management system, it is characterised in that: described code assure reason module be additionally operable to Other sensor nodes send the described code bag in described sensor node external memory storage.
Sensor network the most according to claim 5 management system, it is characterised in that: described sensor network management system is also wrapped Including functional control module, described functional control module sends, for assuring reason module to described code, the described code needing to update Bag, and/or assure reason module transmission described order bag to described order.
Sensor network the most according to claim 7 management system, it is characterised in that: described sensor network includes wireless sensing Device network, described functional control module is positioned on the control server of wireless sensor network, described code assure reason module with And described order assures reason module and is positioned in sensor node, described functional control module by wireless sensor network base station to Described sensor node sends described code bag and described order bag.
9. manage system according to the sensor network described in any claim in claim 5 to 8, it is characterised in that: described outside Memorizer includes SD card.
10. manage system according to the sensor network described in any claim in claim 5 to 8, it is characterised in that: described code Include ELF file.
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