CN102457903B - Wireless sensor network is linked into connection control method and the device of telecommunications network by multiple gateway - Google Patents
Wireless sensor network is linked into connection control method and the device of telecommunications network by multiple gateway Download PDFInfo
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Abstract
The invention discloses a kind of wireless sensor network is linked into telecommunications network connection control method by multiple gateway, be applied in the network comprising wireless sensor network and communication network combination, in described wireless sensor network, be provided with WSN node and multiple WSN gateway; Management platform is provided with in described communication network; Described management platform is used for the WSN gateway for using during WSN peer distribution access communication network.The present invention discloses the device of a kind of wireless sensor network to the access control of telecommunications network.This invention ensures that in conjunction with network normal, run efficiently.
Description
Technical field
The present invention relates in conjunction with network technology, particularly relate to a kind of wireless sensor network is linked into telecommunications network connection control method and device by multiple gateway.
Background technology
Wireless sensor network, as the product calculating, communicate and transducer three technology combines, is a kind of brand-new Information acquisi-tion technology.Due to the improvement of recent micro-fabrication technique, mechanics of communication and battery technology, impel small sensor terminal can have the ability of induction, wireless telecommunications and process information.Object and the change thereof of environment not only can be responded to and detect to sensors with auxiliary electrode terminal, and can process the data collected, and the data after process is delivered to DCC in the mode of wireless transmission.These sensor terminals are made up of this few part of power supply, awareness tool, flush bonding processor, memory, communication component and executive software usually.Wherein, power supply provides normal work the necessary energy for sensor node.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, and the information as obtained awareness tool carries out necessary process, preservation, controls the mode of operation etc. of awareness tool and power supply.Communication component is responsible for communicating with other transducers or observer.Executive software is then for sensor terminal provides necessary software support, as embedded OS, embedded type database system etc.Measure the heat in these sensor terminal place surrounding enviroment, infrared, sonar, radar and seismic signal by means of various informative awareness tool built-in in sensor terminal, thus detection comprises numerous information such as temperature, humidity, noise, luminous intensity, pressure, soil constituent, the size of mobile object, speed and direction.Sensor terminal generally forms network by self-organizing or pre-configured mode.On communication mode, although the various ways such as wired, wireless, infrared and light can be adopted, but it is generally acknowledged the use of the most applicable sensor network of short-range wireless low power communication technology, be generally called wireless sensor network (WSN, Wireless Sensor Network).Current use more widely wireless low power communication technology comprises: IEEE (Institute of Electrical and Electronics Engineers) 802.15.4 and ZigBee technology.
IEEE 802.15.4 is Low rate wireless personal area network (WPAN, the Wireless PersonalArea Network) standard developed by IEEE.IEEE 802.15.4 defines physical layer and media access control layer (MAC, Media Access Control) standard.The communication module meeting IEEE 802.15.4 standard possesses low cost, low power consumption, undersized feature.
The microprocessing capability of WSN node and wireless communication ability make wireless sensor network have broad application prospects, and its application comprises Military Application, biology and environmental monitoring, healthy application, domestic. applications, Industry Control and monitoring etc.Fig. 1 is the schematic diagram in conjunction with network configuration, as shown in Figure 1, wireless sensor network and communication network combination is specifically comprised in conjunction with network, communication network is as the second generation (2G) mobile communication, the third generation (3G) mobile communication, xDSL (x Digital Subscriber Line), FTTx (Fiber To The x, x is home, building, node, premises), broadband wireless access, satellite/microwave etc., wireless sensor network can be made as the extension of existing network, the ability of expanding communication network, communication object is made to expand to physical world from people, there is good development prospect.After wireless sensor network is combined with existing communication network, the data of wireless sensor network perception can be made effectively to be delivered to data center, by to the arrangement of data and analysis, the mode that the mankind obtain the data of natural world can be changed dramatically, the management simultaneously also can concentrated wireless sensor network, solves the unmanageable problem of wireless sensor network be dispersed at present everywhere.
Wireless sensor network is combined with communication network, refer to and wireless sensor network is connected with communication network, utilize communication network to monitor wireless sensor network and the business that provides thereof, to manage and the carrying of finishing service and cooperation are implemented, and by business that communication network extended wireless sensor network provides.The combination of wireless sensor network and communication network be generally wireless sensor network by WSN gateway equipment connection to communication network platform.WSN node is the sensor node forming wireless sensor network, is connected with WSN gateway by a jumping or multi-hop.WSN node is responsible for gathering and uploading data, and receives and fill order.Equipment several hundreds of at most at least of composition wireless sensor network, equipment room can as required with the mode networking such as star, tree-like or netted (MESH), wherein some equipment or have stronger networking and data forwarding capability.
After wireless sensor network and communication network combine, data are reported the related network element entity of communication network side by the WSN node in wireless sensor network by WSN gateway.WSN node in wireless sensor network may be polytype, and comprise temperature meter, ammeter, fire alarm etc., these dissimilar WSN nodes correspond to different service application.
Multiple network element entity can be set in communication network side, the service application different by these network element entity managements.Concrete, communication network platform comprises the functional entity such as management platform and business platform.Management platform is responsible for facilities and equipments management function; Business platform is responsible for integrating the business that each service provider provides, and provides it to terminal use, uses the situation of business to manage simultaneously, be responsible for whole operation flow to user.
WSN gateway, as the equipment connecting wireless sensor network and communication network, mainly completes the functions such as wireless sensor network configure network, protocol conversion, address maps and data retransmission.
WSN node is connected to communication network platform by WSN gateway.WSN node is the sensor node forming wireless sensor network, is connected with WSN gateway by a jumping or multi-hop.WSN node is responsible for gathering and uploading data, and receives and fill order.Equipment several hundreds of at most at least of composition WSN, equipment room can as required with star, tree-like or MESH mode networking, wherein some equipment or have stronger networking and data forwarding capability.WSN node is the least significant end extending net.
The feature of WSN node dense deployment makes a wireless sensor network, and often number of nodes is numerous, larger load may be caused to WSN gateway, especially when data volume is very large time, also may cause congested and loss that is data, impact works normally, thus, radio sensing network and communication network in conjunction with time, for balanced load, share network burden, need to solve the larger and possible congestion problems of load.
In the prior art, in wireless sensor network, multiple WSN gateway can be there is, have a main WSN gateway and multiple from WSN gateway, dispatched from WSN gateway by main WSN gateway, use when distributing WSN node access communication network from WSN gateway.Because main WSN gateway itself also bears the functions such as wireless sensor network configure network, protocol conversion, address maps and data retransmission, if main WSN gateway carries out the scheduling of many WSN gateway again, the work execution efficiency of main WSN gateway will certainly be had influence on.Due at present in conjunction with network technology still in the discussion stage, how to ensure that WSN node selects suitable WSN gateway access communication network accurately and efficiently, do not have technical scheme can be for reference at present.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of wireless sensor network to be linked into connection control method and the device of telecommunications network by multiple gateway, provides connection control method by the management platform in communication network for WSN node accesses communication network.
For achieving the above object, technical scheme of the present invention is achieved in that
Wireless sensor network is linked into a connection control method for telecommunications network by multiple gateway, is applied in the network of wireless sensor network and communication network combination, is provided with WSN node and WSN gateway in described wireless sensor network; Management platform is provided with in described communication network; Described management platform, for carrying out the dispatching distribution of WSN gateway, is the WSN gateway used during WSN peer distribution access communication network.
Preferably, carry out the dispatching distribution of WSN gateway, for the WSN gateway used during WSN peer distribution access communication network is specially:
WSN node is had to add in described management platform determination wireless sensor network, or have WSN gateway to add, or WSN gateway is when exiting, for the WSN peer distribution WSN gateway newly added, or distribute WSN node for the WSN gateway that newly adds, or redistribute WSN gateway for the WSN node connected under exiting WSN gateway; And by WSN node with distribute by this WSN node WSN gateway corresponding informance notify WSN node respectively and distributed WSN gateway by this WSN node.
Preferably, during the WSN gateway that described management platform uses for WSN peer distribution access communication network, the relevant information of this WSN node and communication connection configuration information are sent to distributed WSN gateway, and the relevant information of distributed WSN gateway and described communication connection configuration information are sent to described WSN node.
Preferably, described method also comprises:
The corresponding relation of the WSN node that described management platform connects under storing WSN gateway and this WSN gateway, the relevant information of each WSN node connected under each WSN gateway and this WSN gateway and the communication connection configuration information of correspondence.
Preferably, the relevant information of described WSN node comprises mark, the address information of WSN node; The relevant information of described WSN gateway comprises the address information of WSN gateway; Described communication connection configuration information is the required configuration parameter that establishes a communications link between WSN node and the WSN gateway distributing to this WSN node.
Preferably, record and preserve by the mark of WSN node of this WSN gateway access communication network and the network address, communication connection configuration information between WSN node and this WSN gateway in WSN gateway; Communication connection configuration information in WSN node between preservation with gateway and the address information of gateway.
Preferably, communicate by wireless sensor network or by communication network between each WSN gateway in described wireless sensor network.
Preferably, a WSN node and more than one WSN gateway have corresponding relation.
Wireless sensor network is linked into an access control apparatus for telecommunications network by multiple gateway, be applied to comprise wireless sensor network and communication network in conjunction with in network, described device comprises:
Allocation units, for carrying out the dispatching distribution of WSN gateway, are the WSN gateway used during WSN peer distribution access communication network.
Preferably, described allocation units comprise further: determine subelement, distribute subelement and notice subelement; Wherein,
Determine subelement, have WSN node to add in wireless sensor network for determining, or have WSN gateway to add, or when WSN gateway exits, trigger allocation units;
Distributing subelement, for the WSN peer distribution WSN gateway for newly adding, or the WSN gateway distribution WSN node for newly adding, or redistributing WSN gateway for the WSN node connected under exiting WSN gateway;
Notice subelement, for by WSN node with distribute by this WSN node WSN gateway corresponding informance notify WSN node respectively and distributed WSN gateway by this WSN node.
Preferably, describedly determine that subelement is that WSN node is when determining to access the WSN gateway of communication network, described notice subelement further, the relevant information of this WSN node and communication connection configuration information are sent to determined WSN gateway, and the relevant information of determined WSN gateway and described communication connection configuration information are sent to described WSN node.
Preferably, described device also comprises:
Memory cell, for the corresponding relation of WSN node connected under storing WSN gateway and this WSN gateway; With the relevant information of each WSN node connected under, WSN gateway and this WSN gateway and the communication connection configuration information of correspondence.
In the present invention, by the management platform of communication network, dispatching distribution is carried out to the many WSN gateway in wireless sensor network, reciprocity mode of operation is between multiple gateway, need not be WSN node determination WSN gateway by the main WSN gateway in WSN gateway again, WSN gateway can be made to be exclusively used in the data communication of WSN node, improve the efficiency that WSN node is linked into communication network, also can avoid the data congestion problem causing the low of communication efficiency because WSN gateway is distributed for WSN gateway and cause, ensure that in conjunction with network normal, run efficiently.
Accompanying drawing explanation
Fig. 1 is the schematic diagram in conjunction with network configuration;
The flow chart of Fig. 2 to be the present invention be method of WSN node determination WSN gateway;
The functional block diagram of Fig. 3 to be the present invention be device of WSN node determination WSN gateway.
Embodiment
Basic thought of the present invention is: carry out dispatching distribution by the management platform of communication network to the many WSN gateway in wireless sensor network, reciprocity mode of operation is between multiple gateway, need not be WSN node determination WSN gateway by the main WSN gateway in WSN gateway again, WSN gateway can be made to be exclusively used in the data communication of WSN node, improve the efficiency that WSN node is linked into communication network, also can avoid the data congestion problem causing the low of communication efficiency because WSN gateway is distributed for WSN gateway and cause, ensure that in conjunction with network normal, run efficiently.
For making the object, technical solutions and advantages of the present invention clearly understand, by the following examples also with reference to accompanying drawing, the present invention is described in more detail.
Below so that the method for WSN node by many WSN gateway access communication networks to be described based on the wireless sensor network of ZigBee technology.
ZigBee is the radio network technique of a kind of short distance, low rate, low cost, low-power consumption.It adopts direct sequence spread spectrum (DSSS, Direct Sequence Spread Spectrdm) technology, and operating frequency is 868MHz, 915MHz or 2.4GHz, is all the frequency that need not apply for a license.Based on a kind of new development that ZigBee technology configuration Wireless Personal Network is the short distance wireless communication technology in recent years, obtain at industrial automation and Smart Home field and apply more and more widely.
Three kinds of function devices are had: network coordinator, router and terminal node in ZigBee-network.The function of network coordinator coordinates to set up network, first equipment in network, a ZigBee-network only has a network coordinator, it is responsible for the node and storage networking interior joint information etc. initiating to set up in new network, setting network parameter, supervising the network, also can perform the function of router after network is formed.Router can participate in route discovery, message forwards, and carrys out the coverage etc. of extended network by connecting other node.Terminal node is connected to network by network coordinator or router, but does not allow other any nodes to add network by it.
In the network that application scenarios of the present invention is combined with wireless sensor network for the communication network shown in Fig. 1, it should be noted that, the general configuration in conjunction with network in the present invention is identical in conjunction with network configuration with existing, and just the function that realizes of some network element wherein and existing network element are distinguished to some extent.In the present invention, mainly performed the distribution of the WSN gateway of WSN node by the management platform in communication network.
Below be first further described in conjunction with network.As shown in Figure 1, communication network comprises management platform and business platform, and management platform is responsible for facilities and equipments management function; Business platform is responsible for integrating the business that each service provider provides, and provides it to terminal use, uses the situation of business to manage simultaneously, be responsible for whole operation flow to user.WSN gateway, as the equipment connecting wireless sensor network and communication network, mainly completes the functions such as wireless sensor network configure network, protocol conversion, address maps and data retransmission, can there is multiple WSN gateway in network.WSN node is connected to communication network platform by WSN gateway.
In the present invention, first WSN gateway adding radio sensing network, as the telegon in ZigBee-network, is responsible for the establishment of radio sensing network.The follow-up WSN gateway added adds radio sensing network as router, and WSN node can add radio sensing network as router or terminal node, and WSN gateway and WSN node all need to support ZigBee technology.
For the management etc. of the safety and key that realize ZigBee-network, in ZigBee-network, there is trust center.Trust center distributes a kind of equipment making us trusting of safety key in a network, and it allows communication relevant device to add radio sensing network, and distributes key, thus guarantees end-by-end security between equipment.In the network adopting security mechanism, network coordinator can become trust center.In order to realize trust management, equipment needs to receive initial master key from trust center, and link key etc. also must take safe mode to obtain from trust center.
Usually, first WSN gateway adding radio sensing network carries out the safety management of network as trust center.
Management platform in WSN gateway and communication network or realize authentication to WSN gateway and secure communication by the identify label of WSN gateway between other network entities.WSN gateway and WSN node carry out secure connection by link key.
In the present invention, first WSN gateway adding radio sensing network, as after network coordinator establishment radio sensing network, needs management platform to register, and is accomplished to the access authentication of communication network; The follow-up WSN gateway that will add can join this radio sensing network as router, after WSN gateway adds radio sensing network, the WSN gateway information newly added can be sent to management platform by network coordinator, also can be registered to management platform by the WSN gateway newly added.The information of each WSN gateway be preserved and be safeguarded to management platform will.These information comprise the parameter such as address, access capability of WSN gateway.
In the present invention, WSN node adds radio sensing network after network coordinator certification and configuration, and network coordinator will notify management platform afterwards, and the relevant information of this WSN node is reported management platform.The relevant information of each WSN node be preserved and be safeguarded to management platform will, and these information comprise the mark, address etc. of WSN node.When WSN node adds wireless sense network, network coordinator carries out certification to WSN node, and and hold consultation based on initial master key between WSN node, determine that WSN node adds the link key etc. required for this Sensor Network, thus realize WSN node and successfully add this Sensor Network, the communication connection of safety is set up between network coordinator and WSN node by link key.
In the present invention, management platform according to the relevant information of the information of each WSN gateway and WSN node, WSN gateway when being responsible for scheduling and distributing WSN node access communication network.During distribution, the relevant information of WSN node and communication connection configuration information are sent to the WSN gateway of specifying by management platform, and the relevant information of the WSN gateway of specifying and described communication connection configuration information are sent to corresponding WSN node.The relevant information of WSN node comprises the mark, address etc. of WSN node; The relevant information of WSN gateway comprises the address of WSN gateway.Communication connection configuration information be the WSN gateway of specifying and its institute be responsible for access WSN node between to establish a communications link required configuration parameter, comprise the parameters such as link key, between WSN gateway and WSN node, set up the communication connection of safety by this link key.The corresponding relation of the WSN node of a WSN gateway and responsible access thereof be preserved and be safeguarded to management platform will, and management platform also preserves the relevant information of each WSN gateway and each WSN node and the communication connection configuration information of correspondence simultaneously.
In the present invention, management platform carries out the dispatching distribution of multiple gateway, after the gateway that uses during WSN peer distribution access communication network, network coordinator is no longer for former WSN node provides access, WSN node is set up after secure communication is connected by the relevant information of the gateway of distribution that obtained from management platform and communication connection configuration information and the gateway of distribution, is responsible for WSN node is linked into telecommunications network by the gateway distributed.
In above-mentioned corresponding relation, a WSN node can correspond to more than one WSN gateway, and that is, a WSN node can be linked in communication network by more than one WSN gateway, realize the transmission of self detection or Monitoring Data, and accept the control command etc. of communication network transmission.
In the present invention, record and preserving by the mark of WSN node of this WSN gateway access communication network and the network address, communication connection configuration information etc. between WSN node and this WSN gateway in each WSN gateway.
Between each WSN gateway in wireless sensor network, can communicate by wireless sensor network or by communication network.
The flow chart of Fig. 2 to be the present invention be method of WSN node determination WSN gateway, as shown in Figure 2, the present invention is that the method for WSN node determination WSN gateway comprises the following steps:
Step 201, the management platform record of communication network and the relevant information of preservation WSN gateway and WSN node.
After WSN gateway and WSN node add radio sensing network, after management platform receives these information, these information is preserved in record.
Step 202, the WSN gateway when management platform of communication network is WSN peer distribution access communication network.
Management platform is WSN gateway during WSN peer distribution access communication network according to certain strategy, the relevant information of WSN node and communication connection configuration information are sent to the WSN gateway of specifying by management platform, and the relevant information of the WSN gateway of specifying and described communication connection configuration information are sent to corresponding WSN node.In the present invention, the strategy of WSN gateway during WSN peer distribution access communication network can be determined by concrete operator, concrete, and generally, WSN gateway less in accordance with hop count is no more than threshold load and the as far as possible balanced principle of load.That is, first find out apart from the WSN node-routing jumping figure less (as being less than the jumping figure of setting) of this gateway to be allocated more than one WSN gateway as access communication network gateway, after finding the less WSN gateway of route, again at the load state of the less WSN gateway of determined hop count, the lightest WSN gateway of load is selected to close as WSN node access networks.The selection strategy of gateway is not difficult point, the non-essentiality content realizing technical solution of the present invention yet, repeats no more it here and realizes details.
Communication connection configuration information be the WSN gateway of specifying and its institute be responsible for access WSN node between to establish a communications link required configuration parameter, comprise the parameters such as link key, between WSN gateway and WSN node, set up the communication connection of safety by this link key.
Step 203, after the management platform of communication network carries out dispatching distribution to the WSN gateway in wireless sensor network and WSN node, to preserve and safeguard the corresponding relation of the WSN node of WSN gateway and responsible access thereof, management platform also preserves the relevant information of each WSN gateway and each WSN node and the communication connection configuration information of correspondence.
In the present invention, the situation of the WSN gateway changing to certain WSN node access communication network may be needed, such as, management platform can be certain WSN sensor selection problem another one WSN gateway nearer apart from it, thus the routed path reduced between it and WSN gateway, reach the communication complexity in minimizing Sensor Network and energy-conservation effect.
Or, owing to there being adding and leaving of WSN node, the adding and leave the load imbalance causing radio sensing network of WSN gateway, management platform changes the WSN gateway of WSN node access in order to equally loaded, at this moment, new WSN gateway for WSN node provides communication network to access can be redistributed by management platform, the relevant information of this WSN node and communication connection configuration information are sent to the WSN gateway of newly specifying by management platform, the information of new WSN gateway is sent to the WSN node needing change, and WSN gateway to be changed message informing be WSN gateway that this WSN node provides communication network to access originally.The WSN gateway of newly specifying adds the relevant information of this WSN node in this WSN gateway, and WSN gateway originally deletes the relevant information of this WSN node preserved in this WSN gateway.Follow-up, the WSN gateway of newly specifying will provide communication network to access for this WSN node, and original WSN gateway is no longer for this WSN node provides communication network to access.
In the present invention, when having WSN node to leave radio sensing network, the WSN gateway that management platform and this WSN node access communication network use will remove the relevant information of this WSN node preserved, and WSN gateway is no longer for this WSN node provides communication network to access.
In the present invention, when there being WSN gateway to leave radio sensing network, the WSN peer distribution that this WSN gateway is responsible for accessing by management platform is to other WSN gateway, carry out the adjustment of WSN gateway distribution, and upgrade the corresponding relation of WSN gateway and the WSN node preserved and the information of correspondence thereof and communicate to connect configuration information.Adjusting the WSN gateway related to also needs the result after according to scheduling to upgrade the WSN nodal information preserved.
In the present invention, management platform is follow-up can send to telecommunication network service platform by the relevant information of WSN node, telecommunication network service platform can configure the relevant parameters of WSN node, enables the business that WSN node is supported, enables WSN node by WSN gateway to business platform reported data.
The functional block diagram of Fig. 3 to be the present invention be device of WSN node determination WSN gateway, as shown in Figure 3, the present invention be the device of WSN node determination WSN gateway comprise be applied to comprise wireless sensor network and communication network in conjunction with in network, described device comprises:
Allocation units 30, for carrying out the dispatching distribution of WSN gateway, are the WSN gateway used during WSN peer distribution access communication network.
Above-mentioned allocation units 30 comprise further: determine subelement 301, distribute subelement 302 and notice subelement 303; Wherein,
Determine subelement 301, have WSN node to add in wireless sensor network for determining, or have WSN gateway to add, or when WSN gateway exits, trigger and distribute subelement 302;
Distributing subelement 302, for the WSN peer distribution WSN gateway for newly adding, or the WSN gateway distribution WSN node for newly adding, or redistributing WSN gateway for the WSN node connected under exiting WSN gateway;
Notice subelement 303, for by WSN node with distribute by this WSN node WSN gateway corresponding informance notify WSN node respectively and distributed WSN gateway by this WSN node.
Above-mentioned determine subelement 301 for WSN node determine to access the WSN gateway of communication network time, above-mentioned notice subelement 303 further, the relevant information of this WSN node and communication connection configuration information are sent to determined WSN gateway, and the relevant information of determined WSN gateway and described communication connection configuration information are sent to described WSN node.
As shown in Figure 3, the present invention is that the device of WSN node determination WSN gateway comprises memory cell 31, for the corresponding relation of WSN node connected under storing WSN gateway and this WSN gateway; With the relevant information of each WSN node connected under, WSN gateway and this WSN gateway and the communication connection configuration information of correspondence.
The relevant information of above-mentioned WSN node comprises mark, the address information of WSN node; The relevant information of above-mentioned WSN gateway comprises the address information of WSN gateway; Communication connection configuration information is the required configuration parameter that establishes a communications link between WSN node and the WSN gateway distributing to this WSN node.
Record and preserve by the mark of WSN node of this WSN gateway access communication network and the network address, communication connection configuration information between WSN node and this WSN gateway in WSN gateway; Communication connection configuration information in WSN node between preservation with gateway and the address information of gateway.
In the present invention, communicate by wireless sensor network or by communication network between each WSN gateway in wireless sensor network.A WSN node and more than one WSN gateway have corresponding relation.Those skilled in the art are to be understood that, the device for WSN node determination WSN gateway shown in Fig. 3 of the present invention is method for being embodied as WSN node determination WSN gateway and designs, and in the device of the node of WSN shown in Fig. 3 determination WSN gateway, the function of each processing unit can refer to and aforementionedly to understand in conjunction with network or for the associated description of the method for WSN node determination WSN gateway.The function of each processing unit in figure realizes by the program run on processor, also realizes by concrete logical circuit.
The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.
Claims (10)
1. wireless sensor network is linked into a connection control method for telecommunications network by multiple gateway, is applied in the network of wireless sensor network and communication network combination, is provided with WSN node and WSN gateway in described wireless sensor network; Management platform is provided with in described communication network; It is characterized in that, described management platform, for carrying out the dispatching distribution of WSN gateway, is the WSN gateway used during WSN peer distribution access communication network;
Wherein, carry out the dispatching distribution of WSN gateway, for the WSN gateway used during WSN peer distribution access communication network is specially:
WSN node is had to add in described management platform determination wireless sensor network, or have WSN gateway to add, or WSN gateway is when exiting, for the WSN peer distribution WSN gateway newly added, or distribute WSN node for the WSN gateway that newly adds, or redistribute WSN gateway for the WSN node connected under exiting WSN gateway; And by WSN node with distribute by this WSN node WSN gateway corresponding informance notify WSN node respectively and distributed WSN gateway by this WSN node.
2. method according to claim 1, it is characterized in that, during the WSN gateway that described management platform uses for WSN peer distribution access communication network, the relevant information of this WSN node and communication connection configuration information are sent to distributed WSN gateway, and the relevant information of distributed WSN gateway and described communication connection configuration information are sent to described WSN node.
3. method according to claim 1, is characterized in that, described method also comprises:
The corresponding relation of the WSN node that described management platform connects under storing WSN gateway and this WSN gateway, the relevant information of each WSN node connected under each WSN gateway and this WSN gateway and the communication connection configuration information of correspondence.
4. according to the method in claim 2 or 3, it is characterized in that, the relevant information of described WSN node comprises mark, the address information of WSN node; The relevant information of described WSN gateway comprises the address information of WSN gateway; Described communication connection configuration information is the required configuration parameter that establishes a communications link between WSN node and the WSN gateway distributing to this WSN node.
5. method according to claim 4, is characterized in that, record and preserve by the mark of WSN node of this WSN gateway access communication network and the network address, communication connection configuration information between WSN node and this WSN gateway in WSN gateway; Communication connection configuration information in WSN node between preservation with gateway and the address information of gateway.
6. method according to claim 1, is characterized in that, communicates between each WSN gateway in described wireless sensor network by wireless sensor network or by communication network.
7. method according to claim 1, is characterized in that, a WSN node and more than one WSN gateway have corresponding relation.
8. wireless sensor network is linked into an access control apparatus for telecommunications network by multiple gateway, be applied to comprise wireless sensor network and communication network in conjunction with in network, it is characterized in that, described device comprises:
Allocation units, for carrying out the dispatching distribution of WSN gateway, are the WSN gateway used during WSN peer distribution access communication network;
Wherein, described allocation units comprise further: determine subelement, distribute subelement and notice subelement; Wherein,
Determine subelement, have WSN node to add in wireless sensor network for determining, or have WSN gateway to add, or when WSN gateway exits, trigger and distribute subelement;
Distributing subelement, for the WSN peer distribution WSN gateway for newly adding, or the WSN gateway distribution WSN node for newly adding, or redistributing WSN gateway for the WSN node connected under exiting WSN gateway;
Notice subelement, for by WSN node with distribute by this WSN node WSN gateway corresponding informance notify WSN node respectively and distributed WSN gateway by this WSN node.
9. device according to claim 8, it is characterized in that, describedly determine that subelement is that WSN node is when determining to access the WSN gateway of communication network, described notice subelement further, the relevant information of this WSN node and communication connection configuration information are sent to determined WSN gateway, and the relevant information of determined WSN gateway and described communication connection configuration information are sent to described WSN node.
10. device according to claim 8, is characterized in that, described device also comprises:
Memory cell, for the corresponding relation of WSN node connected under storing WSN gateway and this WSN gateway; With the relevant information of each WSN node connected under, WSN gateway and this WSN gateway and the communication connection configuration information of correspondence.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010511678.8A CN102457903B (en) | 2010-10-19 | 2010-10-19 | Wireless sensor network is linked into connection control method and the device of telecommunications network by multiple gateway |
| PCT/CN2010/080406 WO2012051777A1 (en) | 2010-10-19 | 2010-12-28 | Access control method and device for wireless sensor network (wsn) to access telecommunication network via multiple gateways |
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| CN102695195A (en) * | 2012-05-30 | 2012-09-26 | 浙江中控技术股份有限公司 | Method for controlling wireless network and wireless network |
| CN102769894A (en) * | 2012-07-04 | 2012-11-07 | 上海大学 | Multi-gateway multi-node wireless sensor network and multi-gateway channel selection and node adaptive network access method for same |
| CN103581362B (en) * | 2013-11-22 | 2016-09-07 | 中国联合网络通信集团有限公司 | Method that sensor network nodes migrates to another sensor network and network gateway |
| TWI551179B (en) * | 2014-12-25 | 2016-09-21 | 台達電子工業股份有限公司 | Establishing method for self-organization network of wireless nodes |
| KR101798065B1 (en) * | 2016-05-18 | 2017-12-12 | 전자부품연구원 | Wireless sensor network System to be available to redistribute connetion of node and method thereof |
| CN109195159B (en) * | 2018-08-23 | 2021-11-09 | 中国联合网络通信集团有限公司 | Addressing test method, device and system for sensor gateway |
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| 与电信网结合让无线传感器网如虎添翼;党梅梅;《人民邮电》;20100902;第6-9段 * |
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