CN102685787A - Method and system for accessing wireless sensor network into telecommunication network - Google Patents
Method and system for accessing wireless sensor network into telecommunication network Download PDFInfo
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Abstract
The invention discloses a method for accessing a wireless sensor network (WSN) into a telecommunication network. A WSN terminal and more than two WSN gateways are arranged in the WSN; master gateways are arranged in the WSN gateways; and a management platform is arranged in the telecommunication network. The method comprises the following step that: when the master gateway does not work normally, a slave gateway in the WSN serves as a master gateway and replaces the original master gateway to work. The invention also discloses a system for implementing the method for accessing the WSN into the telecommunication network. When the master gateway fails to work normally, any slave gateway can replace the master gateway and serve as the master gateway to work, so that the WSN and other relevant services can run normally, and furthermore, the reliability of the WSN with a plurality of gateways is improved.
Description
Technical field
The present invention relates to combine the access technology in the network, relate in particular to the method and system that a kind of wireless sensor network inserts communication network.
Background technology
Wireless sensor network is that a kind of brand-new information is obtained and treatment technology as the product that calculating, communication and transducer three technology combine.Because the improvement of micro-fabrication technique, mechanics of communication and battery technology impels small sensor terminal can have the ability of induction, wireless telecommunications and process information recently.The object and the change thereof of environment can responded to and detect to this type of sensor terminal not only, and can handle the data of collecting, and the data later of will handling is delivered to DCC with Wireless transmission mode.These sensor terminals are made up of these several parts of power supply, awareness tool, flush bonding processor, memory, communication component and executive software usually.Wherein, power supply is that sensor node provides operate as normal the necessary energy.Awareness tool is used for perception, obtains extraneous information, and is converted into digital signal.Flush bonding processor is responsible for the work of coordinator node each several part, carries out necessary processing, preservation like the information that awareness tool is obtained, the mode of operation of control awareness tool and power supply etc.Communication component is responsible for communicating with other transducers or observer.Executive software then provides necessary software support for sensor terminal, like embedded OS, embedded type database system etc.Measure heat in the surrounding enviroment of this sensor terminal place, infrared, sonar, radar and seismic signal by means of various informative awareness tool built-in in the sensor terminal, thereby survey the numerous information such as size, speed and direction that comprise temperature, humidity, noise, luminous intensity, pressure, soil constituent, mobile object.Sensor terminal generally constitutes network through self-organizing or pre-configured mode.On communication mode; Though can adopt various ways such as wired, wireless, infrared and light; But it is generally acknowledged the use of suitable sensor network of short-range wireless, low-power communication technology, generally be called wireless sensor network (WSN, Wireless Sensor Network).Using more at present, the wireless, low-power communication technology comprises: IEEE (Institute of Electrical and Electronics Engineers) 802.15.4 and Zigbee technology.
IEEE 802.15.4 is a low-speed wireless territory net (WPAN, the Wireless Personal Area Network) standard by the IEEE exploitation.IEEE 802.15.4 has stipulated physical layer and media access control layer (MAC, Media Access Control) standard.The communication module that meets IEEE 802.15.4 standard possesses low cost, low power consumption, undersized characteristics.
Zigbee alliance is one and is devoted on the basis of open global standards, exploitation reliably, the monitoring that connects of low cost, low power consumption, wireless network and the tissue of controlling product.The physical layer of Zigbee standard and MAC layer adopt IEEE 802.15.4 technology, and network layer, safety management, application layer standard and interoperability are developed by Zigbee alliance.Zigbee intelligent energy common application standard in the Zigbee standard (Zigbee smart energy public applications profile) and Zigbee home automation using standard (Zigbee home automation public applications profile) are used and domestic. applications to business environment respectively.
The microprocessing capability at WSN terminal and wireless communication ability have broad application prospects wireless sensor network, and its application comprises military applications, biology and environmental monitoring, healthy application, domestic. applications, Industry Control and monitoring etc.
Wireless sensor network and telecommunications network combine; Like the second generation (2G; 2nd Generation) mobile communication, the third generation (3G, 3rd Generation) mobile communication, xDSL (x Digital Subscriber Line), FTTx (Fiber To The x, x is home, building, node, premises), broadband wireless access, satellite/microwave etc.; Can make the extension of wireless sensor network as existing network; The ability of expanding communication network makes communication object expand to physical world from the people, has bright development prospect.Wireless sensor network is with after existing communication network combines; Can make the data of wireless sensor network perception be delivered to data center effectively; Through arrangement and analysis to data; Can change the mode that the mankind obtain the data in the nature world dramatically, the management that also can concentrate wireless sensor network simultaneously solves the unmanageable problem of wireless sensor network everywhere that is dispersed at present.
Wireless sensor network combines with communication network; Be meant wireless sensor network is connected with communication network; Utilize communication network that professional carrying and cooperation enforcement are monitored, manage and accomplished to wireless sensor network and the business that provides thereof, and the business that is provided through communication network extended wireless sensor network.The combination of wireless sensor network and telecommunications network generally is that wireless sensor network is connected to the telecommunications network platform through gateway device.
The WSN terminal is connected with gateway through a jumping or multi-hop for constituting the sensor node of WSN.WSN is responsible at the terminal gathering and uploading data, and receives and fill order.The several at least hundreds ofs at most in WSN terminal of forming WSN can be as required with star, tree-like or netted mode networkings such as (mesh) between the WSN terminal, wherein some WSN terminal or have stronger networking and the data forwarding ability.In WSN, gateway is responsible for the data with the WSN terminal to report, is sent to the network of relation unit in the communication network, and the network of relation unit in the communication network sends to the WSN terminal through gateway with dependent instruction.And when WSN adopts IEEE 802.15.4 commonly used and Zigbee technology; Generally be responsible for creating WSN by gateway; The configuration information at WSN terminal and the significant datas such as service configuration information of sensing net are preserved in management when being responsible for the adding of WSN terminal and leaving the sensing net in the gateway.
The data of WSN terminal to report; Need send to the network of relation unit in the communication network through gateway; And only dispose a gateway usually among the existing WSN; Be used for the data forwarding of WSN terminal to report is given the network of relation unit of communication network, thus when the WSN terminal quantity among the WSN during the many or frequent reported data in WSN terminal, the gateway load among the WSN very big and cause the data at WSN terminal can not in time send and the WSN terminal congested with the generation of communicating by letter between the gateway.Like this, can seriously have influence on the operate as normal of WSN.In addition, when the NE of communication network side is carried out the management at the WSN terminal in the wireless sensor network, need through the gateway foundation of wireless sensor network and communicating by letter of WSN terminal; If the gateway unit of communication network side is only set up with the WSN terminal in the wireless sensor network through a gateway and is communicated by letter; Cause bigger bearing pressure can for equally this gateway; Cause the gateway unit of communication network side can not be in time with wireless sensor network in the WSN terminal set up and communicate by letter, influence the normal operation of related service.Therefore, network of relation unit that need to consider the communication network side is how through WSN gateway and the WSN terminal in wireless sensor network problem such as communicate by letter more smoothly.For this problem; A kind of feasible solution is a plurality of gateways of configuration in wireless sensor network, and the WSN terminal in the wireless senser sets up through these gateways through the NE of these gateway reported datas and communication network side and the WSN terminal communicates; A plurality of gateways of wireless sensor network configuration can adopt principal and subordinate's gateway mode of operation, and as primary gateway, remaining gateway conduct is from gateway by a gateway; Primary gateway is responsible for creating the establishment and the management of wireless sensor network; Primary gateway inserts the employed gateway of communication network for the WSN terminal distribution; The gateway of this distribution can be primary gateway; Also can for one of them from gateway, communication network is inserted through the gateway that distributes in the WSN terminal, provides communication network to insert from gateway according to the said WSN of being scheduling to of primary gateway terminal.Therefore in this solution, primary gateway is normal in service the playing an important role of wireless sensor network.If primary gateway such as is breaking down at situation and when causing cisco unity malfunction; Wireless sensor network and related service can not normally move; Need corresponding solution; When primary gateway breaks down, take correlation technique to make wireless sensor network and the related service thereof can operate as normal.For this problem, also there is not corresponding solution at present.
Summary of the invention
In view of this, the method and system that main purpose of the present invention is to provide a kind of wireless sensor network to insert communication network can in time be confirmed new primary gateway and not influence communicating by letter of WSN and communication network when primary gateway failures.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of wireless sensor network inserts the method for communication network, is provided with WSN terminal and plural WSN gateway among the said WSN, is provided with primary gateway in the said plural WSN gateway; Be provided with management platform in the said communication network; Said method also comprises:
During said primary gateway cisco unity malfunction, with one among the said WSN from gateway as primary gateway, replace former primary gateway to carry out work.
Preferably, said with one among the said WSN from gateway as primary gateway, replace former primary gateway to carry out work, for:
Being specified by said management platform from gateway of the former primary gateway of said replacement replaces former primary gateway to carry out work by this from gateway.
Preferably, management platform specify to replace former primary gateway from gateway, for:
After said management platform is confirmed the primary gateway cisco unity malfunction among the WSN, further confirm among the said WSN the replacement primary gateway from gateway, and notify determined from gateway as primary gateway, replace former primary gateway to carry out work.
Preferably, said with one among the said WSN from gateway as primary gateway, replace former primary gateway to carry out work, for:
Consult to confirm the primary gateway that makes new advances to replace former primary gateway to carry out work from gateway among the WSN.
Preferably, said with one among the said WSN from gateway as primary gateway, replace former primary gateway to carry out work, for:
In WSN, confirm the reserve gateway of primary gateway in advance, and priority is set, and the information of said reserve gateway priority is sent to respectively from gateway and said management platform for said reserve gateway;
During said primary gateway cisco unity malfunction, be the highest reserve gateway with the fault message notice reserve gateway priority of primary gateway, replace former primary gateway to carry out work for the highest reserve gateway by said priority from gateway or management platform.
Preferably, said method also comprises:
Store the backup information of primary gateway in the said management platform;
Said when gateway replaces former primary gateway, said management platform with the backup information of the primary gateway of being stored send to replace former primary gateway from gateway, the former primary gateway of said replacement use the backup information of former primary gateway to carry out work from gateway at WSN.
Preferably, said method also comprises:
After replacing former primary gateway from gateway, in said WSN, send broadcast, with all the other of the information notice WSN terminal of new primary gateway and WSN from gateway.
Preferably, store primary gateway and in the said management platform from the backup information of gateway;
The backup information of said primary gateway comprises configuration information, the WSN terminal of WSN and is the correspondence relationship information between the gateway of WSN terminal distribution; The configuration information of said WSN comprise WSN sign, network topological information, from gateway information, WSN terminal information and network security information is set; Said backup information from gateway comprises from gateway information, passes through from the WSN terminal information of the communication network of gateway access; Wherein, saidly comprise from gateway identification information and address information that from gateway information said WSN terminal information comprises WSN terminal identification information and address information.
Preferably, said method also comprises:
When newly primary gateway confirms that according to the WSN terminal that is obtained with for the correspondence relationship information between the gateway of WSN terminal distribution existence inserts the WSN terminal of communication network through former primary gateway, for redistributing the gateway that inserts communication network in said WSN terminal through former primary gateway access communication network.
A kind of wireless sensor network inserts the system of communication network, is provided with WSN terminal and plural WSN gateway among the said WSN, is provided with primary gateway in the said plural WSN gateway; Be provided with management platform in the said communication network; Said system comprises definite unit and replacement unit, wherein,
Confirm the unit, when being used for confirming the primary gateway cisco unity malfunction, trigger the replacement unit;
Replace the unit, be used for said WSN one from gateway as primary gateway, replace former primary gateway to carry out work.
Preferably; Said definite unit is located in the said management platform, behind the primary gateway cisco unity malfunction in confirming WSN, further confirm among the said WSN the replacement primary gateway from gateway; And by said agent unit notify determined from gateway as primary gateway, replace former primary gateway to carry out work.
Preferably, said replacement unit is located at from gateway; After the primary gateway cisco unity malfunction among the WSN was confirmed in said definite unit, said replacement unit was further through consulting to confirm the primary gateway that makes new advances to replace former primary gateway to carry out work from gateway among the WSN.
Preferably, said system also comprises unit and transmitting element is set, wherein,
The unit is set, is used for confirming at WSN in advance the reserve gateway of primary gateway, and priority is set for said reserve gateway;
Transmitting element is used for the information of said reserve gateway priority is sent to respectively from gateway and said management platform;
Said replacement unit is located at from gateway or management platform;
When the primary gateway cisco unity malfunction is confirmed in said definite unit; The fault message notice reserve gateway priority that said replacement unit is further used for primary gateway is the highest reserve gateway, replaces former primary gateway to carry out work by said priority for the highest reserve gateway.
Preferably, store the backup information of primary gateway in the said management platform;
Said replacement unit will be when gateway replaces former primary gateway; Said management platform with the backup information of the primary gateway of being stored send to replace former primary gateway from gateway, the former primary gateway of said replacement use the backup information of former primary gateway to carry out work from gateway at WSN.
Preferably, said system also comprises radio unit, be used for after said replacement unit will replace former primary gateway from gateway, in said WSN, sending broadcast, with all the other of the information of new primary gateway notice WSN terminal and WSN from gateway.
Among the present invention, a plurality of gateways of configuration in a WSN, a plurality of gateways adopt principal and subordinate's mode of operation; These a plurality of gateways are respectively the access that WSN terminal among the WSN provides communication network; And break down and during cisco unity malfunction, can replace this primary gateway from gateway by one of them when primary gateway, replace former primary gateway to carry out work by this from gateway; Wireless sensor network and relevant business thereof can normally be moved, thereby improved the reliability of the wireless sensor network that disposes a plurality of gateways.
Description of drawings
The network architecture sketch map of Fig. 1 when having a plurality of gateway among the WSN;
Fig. 2 is the flow chart of WSN configuration multiple gateway in the embodiment of the invention one;
Fig. 3 is the flow chart of WSN terminal distribution gateway when adding WSN for WSN terminal in the embodiment of the invention two and adopting the mode of operation of principal and subordinate's gateway;
Fig. 4 is the flow chart from gateway replacement primary gateway among the WSN in the embodiment of the invention three;
Fig. 5 is the flow chart from gateway replacement primary gateway among the WSN in the embodiment of the invention four;
Fig. 6 inserts the composition structural representation of the system of communication network for wireless sensor network of the present invention.
Embodiment
Basic thought of the present invention is: disposing a plurality of gateways and adopting in the wireless sensor network of principal and subordinate's gateway mode of operation; When the primary gateway cisco unity malfunction; Confirm that in the wireless sensor network one replaces this primary gateway from gateway; Work wireless sensor network as new primary gateway from gateway by what this was confirmed, thereby improved the communication reliability of wireless sensor network.
For making the object of the invention, technical scheme and advantage clearer, below lift embodiment and with reference to accompanying drawing, to further explain of the present invention.
In a plurality of gateways of WSN configuration, communicate with principal and subordinate's gateway mode of operation among the present invention, wherein setting a gateway is primary gateway, and remaining gateway is from gateway.Employed gateway when primary gateway is confirmed the WSN terminal access communication network among the WSN, the WSN terminal is linked into communication network through the specified gateway of primary gateway.The gateway that it is pointed out that this appointment can be primary gateway self, also can for one of them from gateway.Insert for the specified WSN terminal of primary gateway provides communication network from gateway (comprising primary gateway self).
Primary gateway is responsible for the establishment of WSN, joins WSN from gateway as the routing node the WSN.When gateway joins WSN; Need register in the management platform of communication network; This relevant information of management platform record from gateway; At least comprise sign from gateway, from the information such as address of gateway communication network, and have by the primary gateway among the management platform notice WSN and new to join this WSN from gateway.After joining this WSN from gateway, this information from gateway of primary gateway record can comprise from the information of gateway: communication network access capability that can provide from the address of gateway among WSN, from the address of gateway communication network, from gateway or the like.If adopt same address from the address and the address in communication network of gateway among this WSN, primary gateway only need write down this address so.Primary gateway and can carry out through WSN from the communication between the gateway also can be carried out through communication network.
When the WSN terminal added WSN, the dependency rule that primary gateway is distributed according to gateway be the employed gateway of this WSN terminal distribution access telecommunications network, and the gateway of this distribution can be primary gateway, also can be for from gateway.Primary gateway can confirm that to the aspects such as length of the route of gateway the WSN node inserts the employed gateway of communication network according to the topology of network, the load balancing between gateway, WSN node; Like the gateway that belongs to same territory for WSN terminal priority allocation and this WSN terminal gateway as the access communication network; Perhaps; Be the lighter gateway of the current load of WSN terminal priority allocation, perhaps, for WSN terminal priority allocation is linked into the gateway that communication network bar number is not more than setting threshold; Certainly, can comprehensive reference above-mentioned gateway allocation rule inserts the gateway of communication network for the WSN terminal distribution.Carry out the branch timing of gateway, primary gateway offers this WSN terminal with the information (like the address of gateway in WSN) of the gateway that distributes, and the information of the gateway that is distributed is preserved at the WSN terminal, and is created to the routing iinformation of this gateway; Primary gateway offers the gateway that is distributed with this WSN terminal information (sign, the address of WSN terminal in WSN that comprise the WSN terminal), this WSN terminal information of the gateway that is distributed record.
Primary gateway is preserved the corresponding relation of the gateway that the WSN terminal among the WSN is assigned with it, and the information of this corresponding relation is sent to the management platform of communication network, the information of this corresponding relation of management platform preservation.This corresponding relation can adopt the form of correspondence table to realize, in this corresponding relation the sign at record WSN terminal with and the sign of the gateway that is assigned with.Can inquire certain WSN terminal through this corresponding relation and insert the employed gateway of communication network, and certain gateway among the WSN is that which WSN terminal among the WSN provides communication network to insert.
In addition, after the WSN terminal added WSN, primary gateway can change the WSN terminal and insert the employed gateway of communication network.Gateway by the new appointment of primary gateway inserts for this WSN terminal provides communication network, and original gateway no longer inserts for this WSN terminal provides communication network.
When WSN leaves WSN in the terminal; Primary gateway inserts the employed gateway of communication network with this WSN terminal can remove this WSN terminal information of preserving separately; The gateway of primary gateway and this WSN terminal correspondence no longer inserts for this WSN terminal provides communication network after WSN is left at the WSN terminal.
Before the WSN terminal adds WSN; Can in the WSN terminal, write the needed network configuration parameters of adding WSN through client or other modes by management platform, this network configuration parameters can be obtained by the primary gateway of management platform from the WSN of WSN terminal to apply adding.When the WSN terminal adds WSN, to the request of primary gateway proposition adding WSN, comprise the information such as sign at WSN terminal in this request, primary gateway can send to management platform with the WSN terminal information.By primary gateway or management platform authentication is carried out at this WSN terminal, checking allows this WSN terminal to add this WSN through the back, and be the employed gateway of this WSN terminal distribution access communication network by primary gateway.
Management platform in the communication network is preserved the corresponding relation of the gateway that the WSN terminal among the WSN is assigned with it.If the NE in the communication network (like business platform) prepare to set up with WSN in the communicating by letter of WSN terminal; NE in the communication network can obtain this WSN terminal from management platform and insert the information of the employed gateway of telecommunications network (like the address information of gateway, identification information etc.), communicates through this gateway and this WSN terminal then.
For increasing the reliability of wireless sensor network, the configuration information of primary gateway and the wireless sensor network from gateway or out of Memory can be in the management platform back-up storage.Primary gateway and can the needs backed up data sent to management platform and stored by management platform from gateway.
In the present invention, the Backup Data of primary gateway comprises but is not limited to the correspondence relationship information between the gateway of configuration information, WSN terminal and its distribution of wireless sensor network; The configuration information of wireless sensor network comprise wireless sensor network sign, network topological information, from gateway and WSN terminal information (comprising information such as sign, address), network security information etc. is set; Correspondence relationship information between the gateway of WSN terminal and its distribution is used to write down the WSN terminal and inserts the pairing gateway of communication network.Comprise from the Backup Data of gateway but be not limited to: the WSN terminal information from the sign of gateway and address, through this communication network that inserts from gateway etc.
Behind the wireless senser configuration multiple gateway, primary gateway may break down, thereby causes the primary gateway cisco unity malfunction.And, bearing the function of wireless sensor network management because primary gateway plays an important role, when the primary gateway cisco unity malfunction, need in time take measures necessary to remedy.
In the present invention, when the primary gateway cisco unity malfunction, replace this primary gateway from gateway, should carry out work at wireless sensor network as primary gateway from gateway by one in this wireless sensor network.
In the present invention, can by management platform specify the replacement primary gateway from gateway.After management platform is confirmed the primary gateway cisco unity malfunction, confirm in this wireless sensor network the replacement primary gateway from gateway, and notice should carry out work as primary gateway at this wireless sensor network from gateway.
When realizing that primary gateway breaks down, management platform can in time get access to the fault message of primary gateway and take relevant treatment measures, and management platform can confirm that can primary gateway operate as normal through following mode:
1, primary gateway breaks down but still under the situation that can communicate with the management platform of communication network, notifies management platform by primary gateway with fault message;
2, management platform regularly detects the gateway of wireless sensor network, detects primary gateway and breaks down;
3, detect primary gateway from gateway and break down, notify management platform fault message;
4, the WSN terminal detects primary gateway and breaks down, and with fault message notice (notifying from gateway like what insert through self) management platform.
After management platform is confirmed the primary gateway cisco unity malfunction in the wireless sensor network; Can from gateway, select one from gateway from a plurality of of this wireless sensor network; Replace primary gateway by this from gateway, should wireless sensor network, carry out work as new primary gateway from gateway.
In the present invention, except that specifying the new primary gateway by management platform, also can be by consult to confirm new primary gateway from gateway.Primary gateway can be provided with the reserve gateway priority from gateway in the wireless senser in advance, and will be respectively sends to respectively from gateway and management platform from the information of the reserve gateway priority of gateway.During the primary gateway cisco unity malfunction; When gateway or management platform detect primary gateway unusual; With the fault message of primary gateway notice reserve gateway priority be the highest from gateway, and reserve gateway priority is the highest primary gateway from the alternative current cisco unity malfunction of gateway.
For realizing can operate as normal wireless sensor network as new primary gateway from gateway, should need obtain and use correspondence relationship information between the gateway of configuration information, WSN terminal and its distribution of this wireless sensor network etc. from gateway.These information are backed up in management platform by original primary gateway, can the backup information of primary gateway be offered this from gateway by management platform, should use backup information wireless sensor network, carry out work as new primary gateway from gateway.
After replacing original primary gateway from gateway, should in wireless sensor network, send broadcast from gateway, with the message informing WSN terminal of primary gateway change and other from gateway.
New primary gateway judges whether to exist the WSN terminal of inserting communication network through original primary gateway according to the correspondence relationship information between the gateway of the WSN terminal that obtains and its distribution; If exist, the WSN terminal that new primary gateway is is redistributed and is inserted the employed gateway of communication network, the WSN terminal insert communication network through newly assigned gateway.
When WSN and communication network combination; The a plurality of gateways of configuration in WSN; A plurality of gateways adopt principal and subordinates' mode of operation, are respectively the access that WSN terminal among the WSN provides communication network by a plurality of gateways, and break down when causing cisco unity malfunction when primary gateway; Can replace this primary gateway from gateway by one of them; Wireless sensor network carry out work from gateway as primary gateway by this, wireless sensor network and relevant business thereof can normally be moved, improved the reliability of the wireless sensor network that disposes a plurality of gateways.
WSN of the present invention is by one group of wireless sensor node equipment, the wireless network of forming with self-organizing mode or pre-configured mode such as the WSN terminal; The WSN terminal room communicates with the short distance wireless communication technology.WSN is deployed in several meters usually to the regional extent of hundreds of rice, and wherein, the WSN terminal is normally battery-powered, has lower power consumption and cost.Close range communication techniques generally adopts Zigbee and IEEE802.15.4 technology.
WSN combines with communication network, is meant WSN is connected with communication network, utilizes communication network that professional carrying is monitored, manages and accomplished to WSN and the business that provides thereof and implements with cooperation, and expand the business that WSN provided through communication network.Communication network comprises multiple communication networks such as mobile communications network, xDSL, FTTx, satellite communication.
In the present embodiment, when WSN combines with communication network, the network architecture sketch map of Fig. 1 when having a plurality of gateway among the WSN; As shown in Figure 1; Among Fig. 1, represent a plurality of WSN terminal, represent the zone at place, a plurality of WSN terminal with the dash area of a filling with the dash area that cross spider is filled.Among Fig. 1; WSN is made up of a plurality of WSN terminal and a plurality of gateway; A plurality of WSN terminal and a plurality of gateway can be set up wireless sensor network according to the correlation technique standard of WSN, and the close range communication techniques that can be used for setting up WSN comprises Zigbee technology, IEEE 802.15.4 standard etc.WSN is connected to communication network through a plurality of gateways, communicates by letter with foundation such as management platforms in the communication network.Wherein, adopt the mode of operation of principal and subordinate's gateway between a plurality of gateways.
In order to realize being connected of WSN and communication network that WSN passes through a plurality of gateways and inserts communication networks, and links to each other with Access Network, core net, business platform, management platform via communication network.The WSN terminal is connected to communication network through a plurality of gateways.The WSN terminal is connected with gateway through a jumping or multi-hop for constituting the sensor node of WSN.WSN is responsible at the terminal gathering and uploading data, and receives and fill order.The several at least hundreds ofs at most in WSN terminal of forming WSN, WSN terminal room can be as required with star, the networkings of tree-like or netted (mesh) mode, wherein some WSN terminal or have stronger networking and the data forwarding ability.
Gateway is responsible for connecting WSN and communication network, mainly accomplishes functions such as protocol conversion, map addresses and data forwarding, also can integrated security and function such as charging.The function of gateway support can comprise: support the sensor network internal data to work in coordination with and converge; Support is with the second generation (2G; 2nd Generation) mobile communication, the third generation (3G; 3rd Generation) one or more of telecommunication access waies such as mobile communication, xDSL, FTTx, broadband wireless access, satellite/microwave, with the transfer of data that converges to Correspondent Node; Supporting business platform and remotely administered server are to the device authentication and the authentification of user of gateway; Supporting business platform and remotely administered server are to the parameter and the software arrangements of gateway; Support authentification of user and service security, equipment control security mechanism.
Business platform is the functional entity of the business that operation and management combine with WSN in the communication network, is responsible for integrating the business that each service provider provides, and it is offered the terminal use, uses professional situation to manage to the terminal use simultaneously.Business platform can be according to the needs of different business, and other functional entitys are accomplished whole service flow process, for example authentication, mandate and charging (AAA, Authentication Authorization and Accounting) server in the collaborative communication network.Business platform can also be connected with remote server, directly business is upgraded.
Management platform is WSN to be implemented the entity of management function, and management platform can be made up of management server, and management server is implemented management function through communication network to WSN.
Based on above-mentioned network configuration, further how how wireless sensor network of the present invention inserted communication network during at the primary gateway cisco unity malfunction and be elaborated.
Embodiment one
In the embodiment of the invention one, at first create WSN by gateway in a plurality of gateways, after this gateway is created WSN, the information of WSN (like the network identity of WSN etc.) is sent to management platform, management platform is preserved the information of this WSN and this gateway.In the present invention, having the gateway of creating the WSN ability is primary gateway, and other gateways are from gateway.What this example was directed against is the initial scene of setting up of WSN, promptly is responsible for all the other processing such as access from gateway by primary gateway.Need to prove, after WSN sets up, add as new gateway fashionable, the mode that this initiate gateway is upgraded, it is basic identical that the new gateway of putting down in writing with this example adds mode, the present invention repeats no more, and it realizes details.
Fig. 2 is the flow chart of WSN configuration multiple gateway in the embodiment of the invention one, and is as shown in Figure 2, and the flow process of WSN configuration multiple gateway of the present invention specifically may further comprise the steps:
Here, new gateway can establish a communications link with management platform through communication network behind the WSN zone and installation that application adds, and sends register requirement to management platform.Management platform can be carried out authentication through the identify label of new gateway, confirms the authenticity of new gateway identity.In management platform, preserve the information of new gateway in advance, this information comprises the network accessibility parameter of new gateway, the position of installation etc.
Primary gateway among step 202, the management platform notice WSN has the new gateway application to join this WSN.
Here, the WSN that the new gateway preparation adds is confirmed in the position that management platform prepares to install according to new gateway, notifies the primary gateway among this WSN to have the new gateway application to join this WSN then.Management platform can be simultaneously sends to primary gateway with the information of this new gateway, and the information of this new gateway can comprise: the address of new gateway in communication network, network accessibility parameter etc.
Here, primary gateway sends to management platform with the network configuration parameters that this new gateway joins these WSN needs, by management platform this network configuration parameters and the address of primary gateway in communication network is sent to this new gateway then.The network configuration parameters here comprises the address of primary gateway in WSN, initial master key etc.
Here, new gateway is carried out scan channel after obtaining the network configuration parameters of WSN in the overlay area of this WSN, sends association request (Association Request) frame to primary gateway then, and request joins this WSN.New gateway and primary gateway are held consultation according to initial master key, confirm netkey, link key and address etc.The new gateway record is from address and relevant routing iinformation in this WSN, and primary gateway writes down the address of new gateway in this WSN and the information of new gateway.
After gateway adds WSN, can communicate with the exchange correlation data through this WSN between the gateway etc.The IP address can be adopted in the address of gateway in communication network, owing to preserve the other side's the IP address in communication network between the gateway, both sides also can communicate through communication network.
Through the foregoing description one, can dispose a plurality of gateways among the WSN.
In the Zigbee network, can add WSN in order to make the WSN terminal, the WSN terminal needs to obtain to add the required network configuration parameters of WSN from management platform earlier, and network configuration parameters comprises: the initial master key of the WSN that add and the address of primary gateway.When the WSN terminal added WSN, primary gateway was verified the authenticity of the initial master key at WSN terminal, thereby verified the identity at this WSN terminal.If the initial master key at this WSN terminal is correct; Then allow this WSN terminal to add WSN; Can hold consultation based on initial master key between WSN terminal and the primary gateway; Confirm to add the needed link key of this WSN, netkey and address etc., thereby realize WSN successful this WSN of adding in terminal.When not possessing the WSN terminal to apply adding WSN of network configuration parameters, be not correct key because of initial master key or initial master key can not be provided, primary gateway then can be refused this WSN terminal and add this WSN.
Here; WSN terminal manufacturer is when producing the WSN terminal; In the WSN terminal, do not write the network configuration parameters of WSN, can be before coming into operation in the WSN terminal in the WSN terminal, write the network configuration parameters of its WSN that will add through client or other modes by management platform.Management platform can obtain to add the needed network configuration parameters of this WSN from primary gateway.
It is pointed out that management platform can obtain the network configuration parameters of WSN through dual mode.First kind of mode is: management platform is sent the WSN network configuration parameters request of obtaining to primary gateway, and primary gateway provides the WSN terminal to add the needed network configuration parameters of this WSN.The second way is: after WSN creates, primary gateway will add the needed network configuration parameters of this WSN, offer management platform, and preserve in management platform.
Embodiment two
The embodiment of the invention two has been described and has been adopted among the WSN that the Zigbee technology sets up, and the WSN terminal adds WSN, and when adopting the mode of operation of master and slave gateway, is the process of this WSN terminal distribution gateway.Fig. 3 is the flow chart of WSN terminal distribution gateway when adding WSN for WSN terminal in the embodiment of the invention two and adopting the mode of operation of principal and subordinate's gateway, and is as shown in Figure 3, for WSN terminal distribution gateway specifically may further comprise the steps:
Step 301 writes the network configuration parameters of the WSN that the WSN terminal to apply adds in the WSN terminal.
Step 302, WSN terminal use the network configuration parameters application of WSN to join WSN, and primary gateway verifies that to the WSN terminal if checking is passed through, then execution in step 303; If authentication failed, then execution in step 304.
In this step, the WSN terminal is placed on the WSN institute region covered of preparing adding.After the WSN starting up of terminal started, network sweep can be carried out earlier in the WSN terminal on the channel of setting, confirm the WSN that will add.Network sweep can be through sending beacon request (Beacon Request) frame on channel; After equipment among the WSN on this channel is received Beacon Request; Add this WSN if allow new WSN terminal; Whether will respond the Beacon frame, this Beacon frame has comprised the address information at the WSN terminal of sending this frame, and allow other WSN terminals to add with the mode of its child node.The WSN terminal is kept at the information of the Beacon frame of receiving in the contingency table (neighbor table) of self.
Here, suitable father node is selected at the WSN terminal in contingency table, and sends association request (Association Request) frame request adding WSN to father node.After the request that adds WSN was received at the WSN terminal that is in the father node of WSN, the primary gateway of notice WSN had new WSN terminal request to add WSN.
The primary gateway of WSN verifies that to the WSN terminal verification mode can join the mode of network according to node device in the Zigbee standard, and primary gateway is judged the authenticity of the initial master key in the WSN terminal.If the then operation of execution in step 303 is passed through in the checking of WSN terminal; If WSN terminal authentication failed is then carried out the operation of step 304.
Step 303; After the checking of WSN terminal is passed through; Communicate negotiation with primary gateway and confirm link key and netkey; Primary gateway is added this WSN terminal information in node management table, the father node equipment at WSN terminal is preserved this WSN terminal information in the neighboar lists of self, and the information of father node and primary gateway is preserved at the WSN terminal in the neighboar lists of self.So far, the WSN terminal successfully adds WSN.
Step 304, the WSN terminal authentication does not pass through, and this WSN terminal of primary gateway refusal adds WSN.
Step 305, primary gateway are that the employed gateway of access communication network is specified at this WSN terminal.
Here, primary gateway is confirmed the employed gateway of this WSN terminal access communication network according to the correlation principle of gateway distribution.Primary gateway can be connected this WSN terminal information configuration information and sends to the gateway that is distributed with communication, and primary gateway is connected the information of the gateway that is distributed configuration information and sends to this WSN terminal with communicating by letter.
Communication connects the needed link key that establishes a communications link between gateway that configuration information is this appointment and this WSN terminal, sets up safe communication through this link key between the gateway of this appointment and this WSN terminal and connects.
Step 306, this WSN terminal of the primary gateway of WSN notice management platform has joined WSN, and the corresponding relation of the gateway that the WSN terminal is assigned with it sends to management platform.
In this step, management platform is preserved the relevant information at this WSN terminal, comprises the corresponding relation of the sign, WSN terminal at WSN terminal and its affiliated WSN, the corresponding relation of gateway that the WSN terminal is assigned with it; Management platform also sends to business platform with the relevant information at WSN terminal, and the related data at business platform configuration WSN terminal is launched the business that the WSN terminal is supported.
It is thus clear that, through said process, write network configuration parameters in the WSN terminal and add the WSN of appointment, and the primary gateway of WSN specified this WSN terminal to insert the employed gateway of communication network, make this WSN terminal can be through gateway to the business platform reported data.
Need to prove that in order to insert information such as the employed gateway of communication network in the WSN terminal of writing down among the WSN, primary gateway is preserved the corresponding relation of the gateway that the WSN terminal among the WSN is assigned with it.
After the WSN terminal joins WSN; Possibly exist needs change WSN terminal to insert the situation of the employed gateway of communication network; For example: primary gateway can for WSN terminal select another one apart from this WSN terminal nearer from gateway; Thereby reduce this WSN terminal and, reach interior communication complexity of minimizing WSN and energy-conservation effect from the routed path between gateway.At this moment; Can be appointed as the new gateway that the WSN terminal provides communication network to insert by primary gateway; Primary gateway can be connected the gateway that configuration information sends to new appointment with communication with this WSN terminal information, and gateway is changed message informing was the gateway that this WSN terminal provides the communication network access originally.The gateway of new appointment adds the configuration information at this WSN terminal in this gateway, the communication network at this WSN terminal of preserving in this gateway of gateway deletion originally inserts configuration information.The gateway of new appointment inserts for this WSN terminal provides communication network, and gateway originally no longer inserts for this WSN terminal provides communication network.
The terminal that adds WSN is when leaving WSN; Primary gateway inserts the employed gateway of communication network with this WSN terminal; The communication network that can remove this WSN terminal of preserving separately inserts configuration information; The gateway that primary gateway is corresponding with this WSN terminal no longer inserts for this WSN terminal provides communication network after WSN is left at the WSN terminal.
In the present invention, the primary gateway in the wireless sensor network is communicated by letter with can setting up through communication network and management platform from gateway; Primary gateway and from gateway when management platform is carried out data backup, can connect through communication Backup Data is sent to management platform, management platform receives also preserves Backup Data.Primary gateway and from gateway after management platform is carried out data backup, if primary gateway and renewal has taken place from the backed up data that needs of gateway, primary gateway and can the data after upgrading be sent to management platform from gateway.
Embodiment three
Fig. 4 is the flow chart from gateway replacement primary gateway among the WSN in the embodiment of the invention three, and as shown in Figure 4, the processing procedure of the replacement primary gateway behind the primary gateway cisco unity malfunction in the wireless sensor network specifically may further comprise the steps:
Step 401 is confirmed the primary gateway cisco unity malfunction in the wireless sensor network.
The primary gateway cisco unity malfunction generally causes by breaking down, and can primary gateway operate as normal generally be to be confirmed by management platform, concrete, and management platform can confirm that can primary gateway operate as normal through following mode::
1, primary gateway breaks down but still under the situation that can communicate with the management platform of communication network, notifies management platform by primary gateway with fault message;
2, management platform regularly detects the gateway of wireless sensor network, detects primary gateway and breaks down;
3, detect primary gateway from gateway and break down, notify management platform fault message;
4, the WSN terminal detects primary gateway and breaks down, and with fault message notice (notifying from gateway like what insert through self) management platform.
Management platform is preserved the information from gateway in this wireless sensor network, management platform can according to the function of supporting from gateway device, performance and current factors such as load select to substitute primary gateway from gateway.Management platform confirm to replace primary gateway behind gateway, communicate by letter with setting up through communication network from gateway, notify this primary gateway from this wireless sensor network of gateway replacement, carry out work as new primary gateway at wireless sensor network from gateway by this.
Should carry out work as new primary gateway at wireless sensor network from gateway; Need obtain the configuration information of wireless sensor network etc.; And use these configuration informations to carry out the management of wireless sensor network; These information are backed up in management platform by original primary gateway, can Backup Data be offered this from gateway by management platform.
Management platform and establish a communications link through communication network between the gateway, management platform can through this communication connect will original primary gateway Backup Data send to from gateway, receive and the preservation Backup Data from gateway.
New primary gateway can be through WSN terminal and other gateways in the broadcast notice wireless sensor network in wireless sensor network; After primary gateway Notification of Changes message is received with other gateways in the WSN terminal; Can create the communication path with new primary gateway, thereby can normally communicate with new primary gateway.
New primary gateway can obtain the corresponding relation of WSN terminal and the gateway of its distribution in the wireless sensor network according to the Backup Data of the original primary gateway that obtains, and identifies the WSN terminal that whether exists through original primary gateway access communication network.
New primary gateway is specified the gateway of new access communication network for the WSN terminal and is adopted the mode of describing in the embodiment of the invention two steps 305, repeats no more at this.
Replace this primary gateway by one of them from gateway when being implemented in the primary gateway cisco unity malfunction in the wireless sensor network, thereby make wireless sensor network can continue operate as normal through above-mentioned handling process.
In the present invention, during the primary gateway cisco unity malfunction, confirm that new primary gateway also can adopt the mode of consulting from gateway.Primary gateway in the wireless sensor network need be provided with the reserve gateway priority from gateway in this wireless sensor network in advance; When the reserve gateway priority of gateway representes that primary gateway breaks down, from the selection ordering of gateway as new primary gateway work; When primary gateway breaks down, at first select reserve gateway priority for the highest from gateway as new primary gateway.From the set-up mode of the reserve gateway priority of gateway can for: when gateway joins wireless sensor network as routing node; Primary gateway is provided with this reserve gateway priority from gateway; This information that is provided with from the reserve gateway priority of gateway is sent to other from gateway and management platform, the information that is provided with of the reserve gateway priority of other gateway is sent to this from gateway.Through this mode, primary gateway, from gateway and management platform grasp the wireless sensor network respectively from the reserve gateway priority of gateway.
Embodiment four
Fig. 5 is the flow chart from gateway replacement primary gateway among the WSN in the embodiment of the invention four, and as shown in Figure 5, the processing procedure of the replacement primary gateway behind the primary gateway cisco unity malfunction in the wireless sensor network of present embodiment specifically may further comprise the steps:
Step 501 is confirmed the primary gateway cisco unity malfunction the wireless sensor network from gateway or management platform;
The primary gateway cisco unity malfunction generally is by breaking down or cause unusually, can confirm that can primary gateway operate as normal through following mode:
1, primary gateway breaks down but still under the situation that can communicate with the management platform of communication network, notifies management platform with fault message or from gateway by primary gateway;
2, management platform or regularly detect from the gateway of gateway to wireless sensor network detects primary gateway and breaks down;
3, detect primary gateway from gateway and break down, notify management platform fault message;
4, the WSN terminal detects primary gateway and breaks down, and with fault message notice (notifying from gateway like what insert through self) management platform or from gateway.
After confirming that from gateway or management platform primary gateway breaks down, according to the information that is provided with from the reserve gateway priority of gateway of its preservation, confirm reserve gateway priority for the highest from gateway, the information that then primary gateway is broken down is notified to this from gateway.
Through the above-mentioned flow process among the embodiment four, replace this primary gateway by one of them from gateway when having realized the primary gateway cisco unity malfunction in wireless sensor network, thereby make wireless sensor network can continue operate as normal.
Again the above Zigbee technology passed through that relates to is set up WSN and to the related content that WSN manages, is explained as follows below:
ZigBee is the radio network technique of a kind of emerging short distance, low rate, low cost, low-power consumption.It adopts DSSS (DSSS, Direct Sequence Spread Spectrum) technology, and operating frequency is 868MHz, 915MHz or 2.4GHz.3 types node is arranged: ZigBee focal point, ZigBee routing node and ZigBee terminal node in the ZigBee network.
Wherein, the ZigBee focal point is also referred to as net (PAN, a Personal Area Network) focal point, territory (ZC, ZigBee Coordinator) in IEEE 802.15.4, in WSN, can be used as aggregation node.The ZigBee focal point must be full-function device (FFD, Full-Function Device), and a ZigBee network has only a ZigBee focal point, and it is with better function than other nodes in the network often, is the main controlled node of whole network.It is responsible for initiating to set up nodal information etc. in node and the storage networking in new network, setting network parameter, the supervising the network, also can carry out the function of router after network forms.
ZigBee routing node (ZR, ZigBee Router) also must be a full-function device.The ZigBee routing node can be participated in route discovery, forwards, comes coverage of extended network etc. through connecting other node.In addition, the ZigBee routing node can also serve as common focal point in its individual operating space (POS, Personal Operating Space), and IEEE 802.15.4 is called the focal point.Common focal point is different with the ZigBee focal point, and it still receives the control of ZigBee focal point.
ZigBee terminal node (ZE; ZigBee EndDevice) can be that full-function device is perhaps simplified function device (RFD; Reduced-Function Device); It withers a little through ZigBee association or the ZigBee routing node is connected to network, but does not allow other any nodes to add network through it, and the ZigBee terminal node can be with low-down power operation.
Among the present invention, primary gateway (or gateway of responsible WSN establishment) as the Zigbee focal point in the Zigbee network, is responsible for the establishment of WSN.The WSN terminal can be used as the Zigbee routing node or the Zigbee terminal node adds WSN; Add WSN from gateway (or other gateways except that primary gateway) as the Zigbee routing node.The Zigbee communication technology need be supported in gateway and WSN terminal.
In addition, in order to realize the safety of Zigbee network, need encrypt the communication among the WSN; Cryptographic calculation in the Zigbee network; Adopt advanced encryption standard algorithm (AES, Advanced Encryption Standard), the symmetric key length of employing is 128.The key that uses in the Zigbee network mainly comprises: master key (Master Key), link key (Link Key) and netkey (Network Key).Wherein, master key is to carry out symmetric key to set up a shared key that uses in the protocol procedures, is the basis of long-term safety between two equipment, and can be used for generating link key; Link key is a cipher key shared between two equipment in a PAN net, is used for two secure communications between the equipment; Netkey is the key of a PAN shared in network, is used for the safety of broadcast communication.
For the safety of realization Zigbee network and the management of key etc., there is trust center in the Zigbee network.Trust center is a kind of trusted devices of in network, distributing safety key, and its permission equipment adds network, and distributing key, thereby guarantees fail safe end to end between the equipment.In the network that adopts security mechanism, network coordination person can become trust center.Trust center provides following three kinds of functions:
(1) trust management: task is to be responsible for adding the device authentication of network.
(2) network management: task is to be responsible for obtaining with the distribution network key giving equipment.
(3) configuration management: task is the apparatus bound application program to its management, between two equipment, realizes safe transmission end to end.
In order to realize trust management, equipment need receive initial master key from trust center.In order to realize the purpose of network management, equipment should receive initial netkey, and can only obtain the renewal of netkey from trust center.In order to realize network configuration, equipment need receive master key or link key from trust center, to set up the end-to-end security link of two equipment rooms.
Except initial master key, additional link key, master key, netkey are merely able to adopt safe mode to obtain from trust center.Trust center should be updated periodically netkey according to a certain strategy, and sends new netkey to each equipment.
Among the present invention, carry out safety management of network as trust center by primary gateway.Can realize authentication and secure communication through the identify label of gateway between management platform in gateway and the telecommunications network and other NEs to gateway.
Among the present invention, through certain WSN of network identity identification of WSN.After primary gateway is created WSN, can perhaps confirm the network identity of this WSN by primary gateway, the relevant information that comprises network identity and network site of record WSN in the management platform by management platform.Thus, whether management platform can exist the WSN by the management of this management platform according to this position of given position judgment, if there is the sign of the WSN that WSN can obtain in this position, thereby confirms the WSN in this position.
Wireless sensor network of the present invention inserts the system of communication network, specifically can combine aforementioned system shown in Figure 1 and understands.Need to prove that the system that wireless sensor network of the present invention inserts communication network realizes through the function of upgrading respective network elements just on the basis of existing combination network, network element syndeton in the network etc. is changed.Fig. 6 is for the composition structural representation of the system of wireless sensor network access communication network of the present invention, and is as shown in Figure 6, and the system that wireless sensor network of the present invention inserts communication network comprises definite unit 60 and replacement unit 61, wherein,
Confirm unit 60, when being used for confirming the primary gateway cisco unity malfunction, trigger the replacement unit;
Replace unit 61, be used for said WSN one from gateway as primary gateway, replace former primary gateway to carry out work.
Above-mentioned definite unit 60 is located in the said management platform; Behind the primary gateway cisco unity malfunction in confirming WSN; Further confirm among the said WSN the replacement primary gateway from gateway, and by above-mentioned agent unit 61 notify determined from gateway as primary gateway, replace former primary gateway to carry out work.
Above-mentioned replacement unit 61 is located at from gateway; Behind the primary gateway cisco unity malfunction that above-mentioned definite unit 60 is confirmed among the WSN, above-mentioned replacement unit 61 is further through consulting to confirm the primary gateway that makes new advances to replace former primary gateway to carry out work from gateway among the WSN.
The system that wireless sensor network of the present invention inserts communication network also comprises unit (not shown) and transmitting element (not shown) is set, wherein,
The unit is set, is used for confirming at WSN in advance the reserve gateway of primary gateway, and priority is set for said reserve gateway;
Transmitting element is used for the information of said reserve gateway priority is sent to respectively from gateway and said management platform;
Above-mentioned replacement unit 61 is located at from gateway or management platform;
When the primary gateway cisco unity malfunction is confirmed in above-mentioned definite unit 60; The fault message notice reserve gateway priority that above-mentioned replacement unit 61 is further used for primary gateway is the highest reserve gateway, replaces former primary gateway to carry out work by said priority for the highest reserve gateway.
Store the backup information of primary gateway in the said management platform;
Above-mentioned replacement unit 61 will be when gateway replaces former primary gateway; Said management platform with the backup information of the primary gateway of being stored send to replace former primary gateway from gateway, the former primary gateway of said replacement use the backup information of former primary gateway to carry out work from gateway at WSN.
The system that wireless sensor network of the present invention inserts communication network also comprises radio unit (not shown); Said replacement unit is used for after will replace former primary gateway from gateway; In said WSN, send broadcast, with all the other of the information of new primary gateway notice WSN terminal and WSN from gateway.
Wireless sensor network of the present invention inserts the system of communication network, and the function of the network element that is upgraded and information interaction mode can be understood referring to the associated description of previous embodiment one to embodiment four.
The above is merely preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention.
Claims (15)
1. the method for a wireless sensor network access communication network is provided with WSN terminal and plural WSN gateway among the said WSN, is provided with primary gateway in the said plural WSN gateway; Be provided with management platform in the said communication network; It is characterized in that said method also comprises:
During said primary gateway cisco unity malfunction, with one among the said WSN from gateway as primary gateway, replace former primary gateway to carry out work.
2. method according to claim 1 is characterized in that, said with one among the said WSN from gateway as primary gateway, replace former primary gateway to carry out work, for:
Being specified by said management platform from gateway of the former primary gateway of said replacement replaces former primary gateway to carry out work by this from gateway.
3. method according to claim 2 is characterized in that, management platform specify to replace former primary gateway from gateway, for:
After said management platform is confirmed the primary gateway cisco unity malfunction among the WSN, further confirm among the said WSN the replacement primary gateway from gateway, and notify determined from gateway as primary gateway, replace former primary gateway to carry out work.
4. method according to claim 1 is characterized in that, said with one among the said WSN from gateway as primary gateway, replace former primary gateway to carry out work, for:
Consult to confirm the primary gateway that makes new advances to replace former primary gateway to carry out work from gateway among the WSN.
5. method according to claim 4 is characterized in that, said with one among the said WSN from gateway as primary gateway, replace former primary gateway to carry out work, for:
In WSN, confirm the reserve gateway of primary gateway in advance, and priority is set, and the information of said reserve gateway priority is sent to respectively from gateway and said management platform for said reserve gateway;
During said primary gateway cisco unity malfunction, be the highest reserve gateway with the fault message notice reserve gateway priority of primary gateway, replace former primary gateway to carry out work for the highest reserve gateway by said priority from gateway or management platform.
6. according to each described method of claim 1 to 5, it is characterized in that said method also comprises:
Store the backup information of primary gateway in the said management platform;
Said when gateway replaces former primary gateway, said management platform with the backup information of the primary gateway of being stored send to replace former primary gateway from gateway, the former primary gateway of said replacement use the backup information of former primary gateway to carry out work from gateway at WSN.
7. according to each described method of claim 1 to 5, it is characterized in that said method also comprises:
After replacing former primary gateway from gateway, in said WSN, send broadcast, with all the other of the information notice WSN terminal of new primary gateway and WSN from gateway.
8. method according to claim 6 is characterized in that, stores the backup information from gateway in the said management platform;
The backup information of said primary gateway comprises configuration information, the WSN terminal of WSN and is the correspondence relationship information between the gateway of WSN terminal distribution; The configuration information of said WSN comprise WSN sign, network topological information, from gateway information, WSN terminal information and network security information is set; Said backup information from gateway comprises from gateway information, passes through from the WSN terminal information of the communication network of gateway access; Wherein, saidly comprise from gateway identification information and address information that from gateway information said WSN terminal information comprises WSN terminal identification information and address information.
9. method according to claim 8 is characterized in that, said method also comprises:
When newly primary gateway confirms that according to the WSN terminal that is obtained with for the correspondence relationship information between the gateway of WSN terminal distribution existence inserts the WSN terminal of communication network through former primary gateway, for redistributing the gateway that inserts communication network in said WSN terminal through former primary gateway access communication network.
10. the system of a wireless sensor network access communication network is provided with WSN terminal and plural WSN gateway among the said WSN, is provided with primary gateway in the said plural WSN gateway; Be provided with management platform in the said communication network; It is characterized in that said system comprises definite unit and replacement unit, wherein,
Confirm the unit, when being used for confirming the primary gateway cisco unity malfunction, trigger the replacement unit;
Replace the unit, be used for said WSN one from gateway as primary gateway, replace former primary gateway to carry out work.
11. system according to claim 10; It is characterized in that; Said definite unit is located in the said management platform, behind the primary gateway cisco unity malfunction in confirming WSN, further confirm among the said WSN the replacement primary gateway from gateway; And by said agent unit notify determined from gateway as primary gateway, replace former primary gateway to carry out work.
12. system according to claim 10 is characterized in that, said replacement unit is located at from gateway; After the primary gateway cisco unity malfunction among the WSN was confirmed in said definite unit, said replacement unit was further through consulting to confirm the primary gateway that makes new advances to replace former primary gateway to carry out work from gateway among the WSN.
13. system according to claim 10 is characterized in that, said system also comprises unit and transmitting element is set, wherein,
The unit is set, is used for confirming at WSN in advance the reserve gateway of primary gateway, and priority is set for said reserve gateway;
Transmitting element is used for the information of said reserve gateway priority is sent to respectively from gateway and said management platform;
Said replacement unit is located at from gateway or management platform;
When the primary gateway cisco unity malfunction is confirmed in said definite unit; The fault message notice reserve gateway priority that said replacement unit is further used for primary gateway is the highest reserve gateway, replaces former primary gateway to carry out work by said priority for the highest reserve gateway.
14. according to each described system of claim 10 to 13, it is characterized in that, store the backup information of primary gateway in the said management platform;
Said replacement unit will be when gateway replaces former primary gateway; Said management platform with the backup information of the primary gateway of being stored send to replace former primary gateway from gateway, the former primary gateway of said replacement use the backup information of former primary gateway to carry out work from gateway at WSN.
15. according to each described system of claim 10 to 13; It is characterized in that; Said system also comprises radio unit; Be used for after said replacement unit will replace former primary gateway from gateway, in said WSN, sending broadcast, with all the other of the information of new primary gateway notice WSN terminal and WSN from gateway.
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| CN201110066941.1A CN102685787B (en) | 2011-03-18 | Wireless sensor network accesses the method and system of communication network | |
| PCT/CN2011/075974 WO2012126208A1 (en) | 2011-03-18 | 2011-06-20 | Method and system for wireless sensor network connecting to telecommunication network |
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| CN201110066941.1A CN102685787B (en) | 2011-03-18 | Wireless sensor network accesses the method and system of communication network |
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Family
ID=
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102724142A (en) * | 2011-06-03 | 2012-10-10 | 北京天地互连信息技术有限公司 | Gateway level determination method supporting IPv6 and gateway having robustness |
| CN104468776A (en) * | 2014-12-04 | 2015-03-25 | 中国联合网络通信集团有限公司 | Method for achieving sensor network data transmission and sink nodes |
| CN104601456A (en) * | 2013-10-30 | 2015-05-06 | 华为终端有限公司 | Gateway replacing method, gateway and server |
| CN104702662A (en) * | 2013-12-10 | 2015-06-10 | 生命安全销售股份公司 | Wireless fire system with idle mode and gateway redundancy |
| CN108259283A (en) * | 2018-04-19 | 2018-07-06 | 深圳市银河风云网络系统股份有限公司 | Wireless device communication means and system based on wide area network Mesh technologies |
| CN109089278A (en) * | 2018-09-29 | 2018-12-25 | 中国联合网络通信集团有限公司 | A kind of interface test method and device |
| CN110719147A (en) * | 2019-10-18 | 2020-01-21 | 浙江创研信息技术有限公司 | High-reliability dual-computer hot standby data acquisition method based on LoRa |
| CN112399455A (en) * | 2019-08-16 | 2021-02-23 | 武汉所为科技有限公司 | Lora gateway control method and Lora communication system |
| CN112788798A (en) * | 2020-12-15 | 2021-05-11 | 福建星网天合智能科技有限公司 | Master-slave negotiation multi-gateway intelligent Zigbee network system |
| CN114629923A (en) * | 2022-03-21 | 2022-06-14 | 北京小米移动软件有限公司 | Method, device and equipment for synchronizing data and storage medium |
| CN115396523A (en) * | 2022-08-23 | 2022-11-25 | 北京软通智慧科技有限公司 | Internet of things data processing method, device, equipment, medium and internet of things soft gateway |
| WO2024065424A1 (en) * | 2022-09-29 | 2024-04-04 | 西门子股份公司 | Link optimization method and system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1855900A (en) * | 2005-04-26 | 2006-11-01 | 横河电机株式会社 | Gateway system |
| CN101588619A (en) * | 2009-06-15 | 2009-11-25 | 常熟理工学院 | Implement system and service method of next generation all-IP wireless sensor network router |
| CN101764724A (en) * | 2008-05-30 | 2010-06-30 | 当代天启技术（北京）有限公司 | Methods of network deployment and data transmission of building automation system (BAS) |
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1855900A (en) * | 2005-04-26 | 2006-11-01 | 横河电机株式会社 | Gateway system |
| CN101764724A (en) * | 2008-05-30 | 2010-06-30 | 当代天启技术（北京）有限公司 | Methods of network deployment and data transmission of building automation system (BAS) |
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