CN101877723B - Wireless sensor network node remote update system, method and equipment - Google Patents
Wireless sensor network node remote update system, method and equipment Download PDFInfo
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Abstract
The invention discloses a wireless sensor network node remote update system, a method and equipment to solve the problem that wireless sensor network nodes can not be remotely updated in the prior art. The wireless sensor network node remote update system comprises a management server and wireless sensor network nodes, wherein the management server is used to determine wireless sensor network nodes needing software upgrade in registered wireless sensor network nodes, package obtained software upgrade packets into upgrade message packets, and send the upgrade message packets to the wireless sensor network nodes needing software upgrade through a wireless remote communication network and gateway equipment which carries out protocol conversion between the wireless remote communication network and a wireless sensor network; and the wireless sensor network nodes are used to download the software upgrade packets according to the upgrade condition of the nodes when the upgrade message packets reaches, and execute software upgrade operations after the software upgrade packet downloading is finished.
Description
Technical field
The present invention relates to wireless sensor network field, refer more particularly to a kind of wireless sensor network node remote update system, method and apparatus.
Background technology
Along with the development of technology, wireless sensor network node needs the software version of configuration to constantly update, and makes the wireless sensor network node being arranged on site of deployment often need to carry out software upgrading.
In prior art, the mode of wireless sensor network node being carried out to software upgrading is generally manual type, namely technical staff comes to the device context of wireless sensor network node personally, wireless sensor network node is carried out to the download of wired connection and software upgrade package, or change the software memory in wireless sensor network node.In prior art, wireless sensor network node cannot carry out remote upgrade, causes the software upgrade job of wireless sensor network node abnormal loaded down with trivial details, and very easily makes mistakes.
Therefore, a kind of solution that can realize wireless sensor network node remote update is urgently provided in prior art.
Summary of the invention
The embodiment of the present invention provides a kind of wireless sensor network node remote update system and method, equipment, cannot carry out the problem of remote upgrade in order to solve the wireless sensor network node existed in prior art.
The embodiment of the present invention provides a kind of wireless sensor network node remote update system, comprise management server, gateway device and multiple wireless sensor network node, described management server access wireless telecommunication networks, described multiple wireless sensor network node composition wireless sensor network, described gateway device carries out protocol conversion between wireless telecommunication networks and wireless sensor network, wherein:
Described management server, for determining the wireless sensor network node needing software upgrading in registered each wireless sensor network node, the software upgrade package of acquisition is encapsulated as upgrading message bag, and is sent to the wireless sensor network node needing software upgrading by wireless telecommunication networks and gateway device;
Described wireless sensor network node, when the upgrading message bag for sending at described management server arrives, the upgrade status according to this node downloads software upgrade package, software upgrade operation after software upgrade package has been downloaded.
The embodiment of the present invention provides a kind of wireless sensor network node remote update method based on said system, comprising:
Management server determines the wireless sensor network node needing software upgrading in registered each wireless sensor network node;
The software upgrade package of acquisition is encapsulated as upgrading message bag by management server, and the wireless sensor network node needing software upgrading is sent to by wireless telecommunication networks and gateway device, described gateway device carries out protocol conversion between wireless telecommunication networks and wireless sensor network.
The embodiment of the present invention provides a kind of wireless sensor network node remote update method based on said system, comprising:
Wireless sensor network node is when the upgrading message bag be packaged into by software upgrade package that management server sends arrives, and the upgrade status according to this node downloads software upgrade package;
Software upgrade operation after software upgrade package has been downloaded.
Accordingly, the embodiment of the present invention provides a kind of management server, comprising:
Determining unit, for determining the wireless sensor network node needing software upgrading in registered each wireless sensor network node;
Encapsulation unit, for being encapsulated as upgrading message bag by the software upgrade package of acquisition;
Transmitting element, for being sent to the wireless sensor network node needing software upgrading by wireless telecommunication networks and gateway device, described gateway device carries out protocol conversion between wireless telecommunication networks and wireless sensor network.
The embodiment of the present invention provides a kind of wireless senser network node equipment, comprising:
Download module, when the upgrading message bag be packaged into by software upgrade package for sending at management server arrives, the upgrade status according to this node downloads software upgrade package;
Memory module, for storing the software upgrade package of download;
Executive Module, operates for software upgrade after software upgrade package has been downloaded.
The wireless sensor network node remote update system that the embodiment of the present invention provides, method and apparatus, when determining that registered wireless sensor network node needs software upgrading by management server, the software upgrade package of acquisition is sent to wireless sensor network node by wireless telecommunication networks and gateway device, and the software upgrade package that wireless sensor network node receives to be needed completes the remote upgrade of software; Solving the wireless sensor network node software upgrading existed in prior art needs artificial to on-the-spot, cannot realize the problem of remote upgrade.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from specification, or understand by implementing the present invention.Object of the present invention and other advantages realize by structure specifically noted in write specification, claims and accompanying drawing and obtain.
Accompanying drawing explanation
Fig. 1 is wireless sensor network node remote update system block diagram in the embodiment of the present invention;
Fig. 2 is wireless sensor network node remote update method flow diagram in the embodiment of the present invention;
Fig. 3 be in the embodiment of the present invention wireless sensor network node to the register method flow chart of management server;
Fig. 4 is a kind of preferred approach flow chart of wireless sensor network node remote update in the embodiment of the present invention;
Fig. 5 is the structured flowchart of management server in the embodiment of the present invention;
Fig. 6 is the structured flowchart of wireless senser network node equipment in the embodiment of the present invention.
Embodiment
The embodiment of the present invention cannot carry out the problem of remote upgrade in order to solve the wireless sensor network node existed in prior art, provide a kind of wireless sensor network node remote update system, method and apparatus, when determining that registered wireless sensor network node needs software upgrading by management server, the software upgrade package of acquisition is sent to wireless sensor network node by wireless telecommunication networks and gateway; And then wireless sensor network node obtains the software upgrade package of management server transmission, realizes software upgrading.
Below in conjunction with Figure of description, the preferred embodiments of the present invention are described, be to be understood that, preferred embodiment described herein is only for instruction and explanation of the present invention, be not intended to limit the present invention, and when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.
Embodiment one
The embodiment of the present invention provide firstly a kind of wireless sensor network node remote update system, as shown in Figure 1, comprise: management server 100, gateway device 200 and multiple wireless sensor network node 300, management server 100 accesses wireless telecommunication networks, multiple wireless sensor network node 300 forms wireless sensor network, gateway device 200 carries out protocol conversion between wireless telecommunication networks and wireless sensor network, wherein:
Management server 100, for determining the wireless sensor network node 300 needing software upgrading in registered each wireless sensor network node 300, the software upgrade package of acquisition is encapsulated as upgrading message bag, and is sent to the wireless sensor network node 300 needing software upgrading by wireless telecommunication networks and gateway device 200;
Wireless sensor network node 300, when the upgrading message bag for sending at management server 100 arrives, the upgrade status according to this node downloads software upgrade package, software upgrade operation after software upgrade package has been downloaded.
Further, wireless sensor network node 300, also for updating result and software version information being fed back to management server 100 after updating operation completes;
Management server 100, also for carrying out software version information renewal after the updating result obtaining wireless sensor network node 300 feedback.
Wireless sensor network node 300, when the upgrading message bag specifically for sending at management server 100 arrives, if the upgrade status of this node is normal condition, then downloads to the download area pre-set by the software upgrade package received; If the upgrade status of this node is unfinished state, then the upgrading progress of software upgrade package is carried in breakpoint transmission request and sends to management server 100;
Described management server 100, also for receiving the breakpoint transmission request of wireless sensor network node 300, the remainder of software upgrade package is sent to wireless sensor network node 300 by the upgrading progress according to the software upgrade package of wherein carrying.
Management server 100, specifically for the software upgrade package of acquisition is split as multiple software upgrading point steamed sandwich, and be encapsulated as multiple upgrading message bag after each software upgrading point steamed sandwich is encrypted and is verified and send to the wireless sensor network node 300 needing software upgrading, described upgrading message handbag is drawn together: the software upgrading segmentation package informatin after encryption and check information;
Wireless sensor network node 300, also for before downloading software upgrade package according to the upgrade status of this node, whether correct according to the check information in the method for calibration checking upgrading message bag that pre-configured management server 100 adopts, and the encryption method adopted according to pre-configured management server 100 after being verified is decrypted the software upgrading segmentation package informatin after encryption in upgrading message bag, obtains software upgrading point steamed sandwich.
Wireless sensor network node 300, also for when to inquire sign-on ID be unregistered, according to the IP address of pre-configured management server, sends registration request to management server 100, and is set to by sign-on ID registered after registration completes;
Management server 100, also for extracting from the registration request received and storing the IP address of initiating the wireless sensor network node 300 registered, and by the responsive feedback that succeeds in registration to the wireless sensor network node 300 of initiating registration.
Further, described wireless sensor network node 300, also for after receiving response of succeeding in registration, reports management server 100 by software version information; And
Management server 100, also for recording the IP address of each registered wireless sensor network node 300 and corresponding software version information.
Preferably, management server 100, specifically for obtain user input software upgrade package time, the software version information corresponding according to the IP address lookup of registered wireless sensor network node 300, when confirming that the software version information of the registered software version information of wireless sensor network node 300 and the software upgrade package of acquisition is inconsistent, determine that this registered wireless sensor network node 300 needs software upgrading.
Management server 100, specifically for receiving Client-initiated upgrade command, wherein carry the IP address of software upgrade package and at least one registered wireless sensor network node 300, the software upgrade package of carrying is sent at least one registered wireless sensor network node 300.
Further, management server 100, specifically for receiving Client-initiated upgrade command, wherein carry the IP address of software upgrade package and at least one registered wireless sensor network node, the wireless sensor network node corresponding according at least one IP address access of wherein carrying, obtains the software version information of the wireless sensor network node of accessing; When confirming that the software version information of the software version information of wireless sensor network node and the software upgrade package of acquisition of accessing is inconsistent, determine that this wireless sensor network node needs software upgrading.
Embodiment two
Based on same technical conceive, embodiments provide a kind of wireless sensor network node remote update method, as shown in Figure 2, comprise the steps:
S201, management server determine the wireless sensor network node needing software upgrading in registered each wireless sensor network node;
The software upgrade package of acquisition is encapsulated as upgrading message bag by S202, management server, and the wireless sensor network node needing software upgrading is sent to by wireless telecommunication networks and gateway device, described gateway device carries out protocol conversion between wireless telecommunication networks and wireless sensor network;
Wherein, described wireless telecommunication networks can support one or several of the wireless access ways such as 2G, 3G, xDSL, FTTx, broadband, satellite or microwave;
S203, wireless sensor network node are when the upgrading message bag that management server sends arrives, and the upgrade status according to this node downloads software upgrade package, software upgrade operation after software upgrade package has been downloaded.
Preferably, wireless sensor network node remote update method also can comprise the steps:
Management server receives the updating result of carrying software version information that described wireless sensor network node feeds back after updating operation completes; And
The software version information of updating result to described wireless sensor network node according to wireless sensor network node feedback upgrades.
In the concrete enforcement of step S201, management server obtains software upgrading and is surrounded by two kinds of modes, be the IP address obtaining its software upgrade package of carrying and at least one registered wireless sensor network node from Client-initiated upgrade command, another kind is the software upgrade package obtaining user's input from upgrade software memory; Therefore management server is determining that wireless sensor network node needs the mode of upgrading, and correspondence also has following several mode.
The first situation is that management server receives Client-initiated upgrade command, according to the IP address of at least one the registered wireless sensor network node obtained, the software upgrade package of being carried sends at least one registered wireless sensor network node.
Second situation is the software version information of management server according to the wireless sensor network node of the IP address access correspondence of at least one obtained registered wireless sensor network node; When confirming that the software version information of the software upgrade package of carrying in the software version information of registered wireless sensor network node and the upgrade command of acquisition is inconsistent, determine that this registered wireless sensor network node needs software upgrading.
When the third situation is the software upgrade package in management server acquisition upgrade software memory, the software version information corresponding according to the IP address lookup of registered wireless sensor network node, when confirming that the software version information of the software version information of registered wireless sensor network node and the software upgrade package of acquisition is inconsistent, determine that this registered wireless sensor network node needs software upgrading.
Wherein, described wireless sensor network node, to the register method of management server, as shown in Figure 3, comprises following flow process:
S301, wireless sensor network node, when inquiring sign-on ID and being unregistered, according to pre-configured IP address, send registration request by wireless telecommunication networks and gateway device to management server;
Registration request described in S302, management server obtain, and the IP address of the wireless sensor network node of registration request initiated in record;
S303, management server will succeed in registration responsive feedback to wireless sensor network node;
Sign-on ID is set to registered by S304, wireless sensor network node after obtaining response of succeeding in registration.
In concrete enforcement, this register method can also comprise the steps:
Software version information, after receiving response of succeeding in registration, is reported management server by wireless sensor network node;
IP address and the corresponding software version information of this registered wireless sensor network node of described record management server.
Described wireless sensor network node information (hereinafter referred to as nodal information), comprise software version information, can also comprise: wireless sensor network node type, IP address, User Defined attribute (title as self-defined in node) and affiliated wireless sensor network etc.
Wherein said wireless sensor network node type generally has three kinds, comprises telegon, router and terminal node, and type its function different is also different; In general, the type before and after upgrading is constant, but if needs also described node type to be changed into other types.
Further, described wireless sensor network node is when when starting shooting, inquiry sign-on ID is registered, and the state of wireless sensor network node there occurs change, then to management server sending node information updating request; Described management server receives described nodal information update request, sends and allows the response upgrading nodal information to wireless sensor network node; Sign-on ID to management server, and is set to registered by the nodal information of wireless sensor network node after the response receiving the renewal of management server permission nodal information sends renewal afterwards; The described nodal information that record management server receives.
The situation of wherein said node state change specifically can comprise:
Another wireless sensor network is transferred to from affiliated wireless sensor network; Node type there occurs conversion; User Defined attribute (title as self-defined in node) there occurs change etc., and the change of the node state of this step can be but be not limited to above-mentioned situation.
Preferably, described management server is split as some software upgradings point steamed sandwich to the described software upgrade package obtained, then is encrypted and verifies several upgrading message bags of generation.Accordingly, the form of described upgrading message bag, as shown in table 1, comprise the upgrading message package informatin after the control information after encryption, encryption and check information.
Table 1
| Control information after encryption | Upgrading message package informatin after encryption | Check information |
Wherein, described control information at least comprises the packet length of software upgrade package and the IP address of wireless sensor network node.
Wherein, described check information be to encryption after control information and upgrading message package informatin after encryption obtained by the method for calibration such as CRC cyclic redundancy check (CRC).
Described wireless sensor network node is after receiving upgrading message bag, and the encryption method adopted according to the upgrading message bag of management server to transmission and method of calibration carry out corresponding School Affairs deciphering to the upgrading message bag received.
In the concrete enforcement of step S202, the software upgrade package of acquisition is encapsulated as upgrading message bag by described management server, specifically comprises:
The software upgrade package of acquisition is split as multiple software upgrading point steamed sandwich by described management server, and be encapsulated as multiple upgrading message bag after each software upgrading point steamed sandwich is encrypted and is verified and send to the wireless sensor network node needing software upgrading successively, described upgrading message handbag is drawn together: the software upgrading segmentation package informatin after encryption and check information;
Before described wireless sensor network node downloads software upgrade package after each upgrading message bag that described management server sends arrives, according to the upgrade status of this node, verify that whether the check information in current upgrading message bag is correct according to the method for calibration that pre-configured management server adopts, and the encryption method adopted according to pre-configured management server after being verified is decrypted the software upgrading segmentation package informatin after encryption in current upgrading message bag, obtains current software upgrading point steamed sandwich.
In the concrete enforcement of step S203, described wireless sensor network node is when the upgrading message bag that described management server sends arrives, and the upgrade status according to this node downloads software upgrade package, specifically comprises:
The software upgrade package received, when the upgrading message bag that described management server sends arrives, if the upgrade status of this node is normal condition, is then downloaded to the download area pre-set by described wireless sensor network node; If the upgrade status of this node is unfinished state, then the upgrading progress of described software upgrade package is carried in breakpoint transmission request and sends to management server;
The remainder of described software upgrade package, after the breakpoint transmission request receiving described wireless sensor network node, is encapsulated as upgrading message bag according to the upgrading progress of the software upgrade package of wherein carrying and sends to described wireless sensor network node by described management server;
Described wireless sensor network node when upgrading message bag that the remainder of described software upgrade package is packaged into arrives, the download area downloading to and pre-set that the remainder of described software upgrade package is continued.
Wherein the embodiment of breakpoint transmission is, when management server sends software upgrade package interruption, that first waits for described wireless sensor network node resumes application, if this wireless sensor network node does not respond for a long time, management server initiatively initiates to resume operation to this node.
Wherein, wireless sensor network node and management server have certain number of times restriction and time restriction to the breakpoint transmission application of the other side, the response that this restriction does not receive the other side yet if exceed, stop breakpoint transmission application and upgrading immediately, this wireless sensor network node software rollback is to original software version, and sending updating result to management server, record management server is updating result this time.
Preferably, embodiments provide a kind of wireless sensor network node remote update method, as shown in Figure 4, comprising:
S400, management server obtain user input software upgrade package time, the software version information corresponding according to the IP address lookup of registered wireless sensor network node;
When S401, management server confirm that the software version information of the software version information of registered wireless sensor network node and the software upgrade package of acquisition is inconsistent, determine that this registered wireless sensor network node needs software upgrading;
The software upgrade package of acquisition is split as multiple software upgrading point steamed sandwich by S402, management server, and is encapsulated as multiple upgrading message bag after being encrypted each software upgrading point steamed sandwich and verifying and sends to the wireless sensor network node needing software upgrading successively;
Wherein, described upgrading message handbag is drawn together: check information and the segmentation of the software upgrading after encrypting package informatin;
Each upgrading message bag is sent to described wireless sensor network node according to the IP address of registered wireless sensor network node by S403, management server;
Wherein, management server sends to by wireless telecommunication networks and gateway device the wireless sensor network node needing software upgrading;
S404, described wireless sensor network node are when the upgrading message bag that management server sends arrives, according to management server, accordingly School Affairs deciphering is carried out to the upgrading message bag obtained to the School Affairs encryption method that the upgrading message bag sent adopts, obtain current software upgrading point steamed sandwich;
The download area pre-set that each software upgrading point steamed sandwich downloads to by S405, wireless sensor network node, obtains software upgrade package;
S406, described wireless sensor network node be software upgrade operation after software upgrade package has been downloaded;
Feedback, after completing software upgrading, is carried the updating result of software version information by S407, described wireless sensor network node;
The software version information of updating result to described wireless sensor network node that S408, described management server feed back according to described wireless sensor network node upgrades.
Above-mentioned is a kind of situation of the wireless sensor network node remote update method that the embodiment of the present invention provides, but is not limited to above-mentioned situation.
Embodiment three
The embodiment of the present invention additionally provides a kind of management server, as shown in Figure 5, comprising:
Determining unit 501, for determining the wireless sensor network node needing software upgrading in registered each wireless sensor network node;
Encapsulation unit 502, for being encapsulated as upgrading message bag by the software upgrade package of acquisition;
Transmitting element 503, for being sent to the wireless sensor network node needing software upgrading by wireless telecommunication networks and gateway device, described gateway device carries out protocol conversion between wireless telecommunication networks and wireless sensor network.
Accordingly, the embodiment of the present invention additionally provides a kind of wireless senser network node equipment, as shown in Figure 6, comprising:
Download module 601, when the upgrading message bag be packaged into by software upgrade package for sending at management server arrives, the upgrade status according to this node downloads software upgrade package;
Memory module 602, for storing the software upgrade package of download;
Executive Module 603, operates for software upgrade after software upgrade package has been downloaded.
The wireless sensor network node remote update system that the embodiment of the present invention provides, method and apparatus, the wireless sensor network node needing software upgrading in registered each wireless sensor network node is determined by management server, the software upgrade package of acquisition is encapsulated as upgrading message bag, and is sent to the wireless sensor network node needing software upgrading by wireless telecommunication networks and gateway device; Described wireless sensor network node is when the upgrading message bag that described management server sends arrives, and the upgrade status according to this node downloads software upgrade package, software upgrade operation after software upgrade package has been downloaded.
The embodiment of the present invention additionally provides the remote upgrade solution in the situation such as power-off and Transmission simultaneously, and management server split software upgrade package before transmission software upgrade package, encryption and verification are encapsulated as upgrading message bag, accordingly, wireless sensor network node is after receiving described upgrading message bag, according to management server, to the upgrading message bag obtained, School Affairs deciphering is carried out to the School Affairs encryption method that the upgrading message bag sent adopts, thus furthermore achieved that the fail safe of wireless sensor network node remote update, correctness and reliability.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (15)
1. a wireless sensor network node remote update system, it is characterized in that, comprise management server, gateway device and multiple wireless sensor network node, described management server access wireless telecommunication networks, described multiple wireless sensor network node composition wireless sensor network, described gateway device carries out protocol conversion between wireless telecommunication networks and wireless sensor network, wherein:
Described management server, for determining the wireless sensor network node needing software upgrading in registered each wireless sensor network node, the software upgrade package of acquisition is encapsulated as upgrading message bag, and is sent to the wireless sensor network node needing software upgrading by wireless telecommunication networks and gateway device; Receive the updating result of carrying software version information that described wireless sensor network node feeds back after updating operation completes; And upgrade according to the software version information of updating result to described wireless sensor network node that described wireless sensor network node feeds back;
Described wireless sensor network node, when upgrading message bag for sending at described management server arrives, upgrade status according to this node downloads software upgrade package, if the upgrade status of this node is normal condition, then the software upgrade package received is downloaded to the download area pre-set; If the upgrade status of this node is unfinished state, then the upgrading progress of described software upgrade package is carried in breakpoint transmission request and sends to management server; And when receiving the upgrading message bag be packaged into by the remainder of described software upgrade package that described management server sends according to breakpoint transmission request, the remainder of described software upgrade package to be continued the download area downloading to and pre-set, software upgrade operation after software upgrade package has been downloaded.
2., based on a wireless sensor network node remote update method for system described in claim 1, it is characterized in that, comprising:
Management server determines the wireless sensor network node needing software upgrading in registered each wireless sensor network node;
The software upgrade package of acquisition is encapsulated as upgrading message bag by management server, and the wireless sensor network node needing software upgrading is sent to by wireless telecommunication networks and gateway device, described gateway device carries out protocol conversion between wireless telecommunication networks and wireless sensor network;
Management server receives the updating result of carrying software version information that described wireless sensor network node feeds back after updating operation completes; And
Upgrade according to the software version information of updating result to described wireless sensor network node that described wireless sensor network node feeds back.
3. method as claimed in claim 2, is characterized in that, also comprise:
Described management server receives the breakpoint transmission request that described wireless sensor network node sends, and wherein carries the upgrading progress of software upgrade package;
According to the upgrading progress of described software upgrade package, the remainder of described software upgrade package is encapsulated as upgrading message bag and sends to described wireless sensor network node.
4. method as claimed in claim 2 or claim 3, is characterized in that, the software upgrade package of acquisition is encapsulated as upgrading message bag by described management server, specifically comprises:
The software upgrade package of acquisition is split as multiple software upgrading point steamed sandwich by described management server, and be encapsulated as multiple upgrading message bag after each software upgrading point steamed sandwich is encrypted and is verified and send to the wireless sensor network node needing software upgrading successively, described upgrading message handbag is drawn together: the software upgrading segmentation package informatin after encryption and check information.
5. method as claimed in claim 2, is characterized in that, also comprise:
Described management server receives the registration request that wireless sensor network node sends;
Extract from described registration request and store the IP address of initiating the wireless sensor network node registered; And
By the responsive feedback that succeeds in registration to the wireless sensor network node of initiating registration.
6. method as claimed in claim 5, is characterized in that, also comprise:
Described management server receives wireless sensor network node according to the software version information responding and report that succeeds in registration; And
Record the IP address of this registered wireless sensor network node and corresponding software version information.
7. method as claimed in claim 6, it is characterized in that, described management server determines the method needing the wireless sensor network node of software upgrading in registered each wireless sensor network node, specifically comprises:
Described management server is when obtaining the software upgrade package of user's input, the software version information corresponding according to the IP address lookup of registered wireless sensor network node, when confirming that the software version information of the software version information of registered wireless sensor network node and the software upgrade package of acquisition is inconsistent, determine that this registered wireless sensor network node needs software upgrading.
8. method as claimed in claim 6, it is characterized in that, described management server determines the method needing the wireless sensor network node of software upgrading in registered each wireless sensor network node, specifically comprises:
Described management server receives Client-initiated upgrade command, wherein carries the IP address of software upgrade package and at least one registered wireless sensor network node, determines that this at least one registered wireless sensor network node needs software upgrading.
9. method as claimed in claim 5, it is characterized in that, described management server determines the method needing the wireless sensor network node of software upgrading in registered each wireless sensor network node, specifically comprises:
Described management server receives Client-initiated upgrade command, wherein carries the IP address of software upgrade package and at least one registered wireless sensor network node;
The wireless sensor network node corresponding according at least one IP address access of wherein carrying, obtains the software version information of the wireless sensor network node of accessing;
When confirming that the software version information of the software version information of wireless sensor network node and the software upgrade package of acquisition of accessing is inconsistent, determine that this wireless sensor network node needs software upgrading.
10., based on a wireless sensor network node remote update method for system described in claim 1, it is characterized in that, comprising:
Wireless sensor network node is when the upgrading message bag be packaged into by software upgrade package that management server sends arrives, upgrade status according to this node downloads software upgrade package, if the upgrade status of this node is normal condition, then the software upgrade package received is downloaded to the download area pre-set; If the upgrade status of this node is unfinished state, then the upgrading progress of described software upgrade package is carried in breakpoint transmission request and sends to management server; And
When described wireless sensor network node receives the upgrading message bag be packaged into by the remainder of described software upgrade package that described management server sends according to breakpoint transmission request, the download area downloading to and pre-set that the remainder of described software upgrade package is continued; Software upgrade operation after software upgrade package has been downloaded.
11. methods as claimed in claim 10, it is characterized in that, described software upgrade package is split as multiple software upgrading point steamed sandwich, and the upgrading message handbag dressed up by each software upgrading segmentation encapsulating is drawn together: package informatin and check information are split in the software upgrading after encryption; And described method also comprises:
Before described wireless sensor network node downloads software upgrade package after each upgrading message bag that described management server sends arrives, according to the upgrade status of this node, verify that whether the check information in current upgrading message bag is correct according to the method for calibration that pre-configured management server adopts, and the encryption method adopted according to pre-configured management server after being verified is decrypted the software upgrading segmentation package informatin after encryption in current upgrading message bag, obtains current software upgrading point steamed sandwich.
12. methods as claimed in claim 10, is characterized in that, also comprise:
Described wireless sensor network node inquires sign-on ID when being unregistered, according to the IP address of pre-configured management server, sends registration request to described management server; And
Sign-on ID is set to registered after the response of succeeding in registration receiving described management server feedback.
13. methods as claimed in claim 12, is characterized in that, also comprise:
Software version information, after receiving response of succeeding in registration, is reported described management server by described wireless sensor network node.
14. 1 kinds of management servers, is characterized in that, comprising:
Determining unit, for determining the wireless sensor network node needing software upgrading in registered each wireless sensor network node;
Encapsulation unit, for being encapsulated as upgrading message bag by the software upgrade package of acquisition;
Transmitting element, for being sent to the wireless sensor network node needing software upgrading by wireless telecommunication networks and gateway device, described gateway device carries out protocol conversion between wireless telecommunication networks and wireless sensor network; Receive the updating result of carrying software version information that described wireless sensor network node feeds back after updating operation completes; And upgrade according to the software version information of updating result to described wireless sensor network node that described wireless sensor network node feeds back.
15. 1 kinds of wireless senser network node equipments, is characterized in that, comprising:
Download module, when the upgrading message bag be packaged into by software upgrade package for sending at management server arrives, upgrade status according to this node downloads software upgrade package, if the upgrade status of this node is normal condition, then the software upgrade package received is downloaded to the download area pre-set; If the upgrade status of this node is unfinished state, then the upgrading progress of described software upgrade package is carried in breakpoint transmission request and sends to management server; And when receiving the upgrading message bag be packaged into by the remainder of described software upgrade package that described management server sends according to breakpoint transmission request, the download area downloading to and pre-set that the remainder of described software upgrade package is continued;
Memory module, for storing the software upgrade package of download;
Executive Module, operates for software upgrade after software upgrade package has been downloaded.
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| CN102035887A (en) * | 2010-12-14 | 2011-04-27 | 广州市香港科大霍英东研究院 | Remote batch update method orientating large-scale wireless sensor network node program |
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