CN102833880A - Wide area deployment-oriented wide area sensor network system - Google Patents
Wide area deployment-oriented wide area sensor network system Download PDFInfo
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Abstract
The invention relates to the technical field of information and communication, and particularly relates to a wide area deployment-oriented wide area sensor network system. Wireless sensor networks deployed at home and abroad at present are small in size in general, and the existing wireless sensor network networking system cannot be suitable for a networking application of a large-scale sensor network. The invention provides the wide area deployment-oriented wide area sensor network system. Problems of a wide area sensor network in aspects of, such as network deployment, operation, maintenance and management, and security and control can be effectively solved through a novel wide area sensor network system structure and related networking equipment comprising a sensor communication node, a remote-end sensing access unit, a sensing network communication controller, a sensing network deployment gateway and a sensing network data gateway, so that fast building of the wide area sensor network is achieved, and a networking service is provided to an application system based on a wide area sensing network.
Description
Technical field
The present invention relates to communication network, relate in particular to a kind of wide area sensing network system towards wide-area deployment.
Background technology
In recent years, the radio sensing network technology has obtained development fast.But the scale of the radio sensing network of disposing at present is generally less.Along with the professional popularization gradually of ubiquitous sensing network, the foundation of extensive sensing network and use will be the important trend of next step development of sensing network.
Fig. 1 shows the network topology structure sketch map based on the radio sensing network of sensing gateway of present deployment.In radio sensing network, the sensing gateway is used to management control sensing network usually, and the communication interface of realization and external network.The startup of a sensing gateway needs a large amount of configuration efforts.For a large-scale sensing network, need usually to dispose a large amount of sensing gateways, and need carry out dynamic management, supervision and control each sensing gateway.For an extensive sensing network that comprises hundreds and thousands of sensing gateways, the burden of network management will be very big.Aspect service management, in order to obtain better service feature, need carry out dynamic coordinate, but, reach very difficulty of this point because the sensing gateway is relatively independent at the whole network.The fail safe aspect, because the covering demand, the sensing gateway is installed in through regular meeting can't guarantee safe place, if the sensing gateway is stolen, the configuration information that static state is kept in the sensing gateway will become leak channel.Simultaneously, how to prevent that illegal sensing gateway access from also having proposed challenge to the fail safe of sensing network.In addition, extensive sensing network has also proposed to compare higher requirement for the operation management of network.
Summary of the invention
In order to solve the problems referred to above that exist in the prior art; Realize sensing network among a small circle, the local sensing network is to the transformation of wide area sensing network; The present invention proposes a kind of wide area sensing network system and relevant apparatus thereof, thereby can solve the problem of wide area sensing network effectively at aspects such as network design, operation management, security controls towards wide-area deployment.
According to a first aspect of the invention, a kind of wide area sensing network system towards wide-area deployment is provided, has it is characterized in that:
A) form by a plurality of sensing communication network domains that can interconnect towards the wide area sensing network system of wide-area deployment;
B) also comprise sensing network in the wide area sensing network system and dispose gateway and sensing network data gateway device, coordinate the deployment of a plurality of sensing communication network domains and interconnect;
C) sensing network is disposed gateway and is responsible for realizing that the dynamic network topology in the wide area sensing network system distributes and maintenance;
D) the sensing network data gateway is responsible for realizing the exchanges data between the sensing communication network domains in the wide area sensing network system, and the exchanges data between sensing communication network domains and the wide area sensing network application system.
According to a second aspect of the invention, a kind of sensing communication network domains is provided, has it is characterized in that:
A) the sensing communication network domains is made up of devices such as sensing network communication controler, far-end sensing access unit, sense communication node, transducer and equipment;
B) the sensing network communication controler is as the core control equipment of a sensing communication network domains; Be in charge of and control all the networking node devices in the sensing communication network domains; As: far-end sensing access unit, sense communication node, transducer; And provide the interior sensing netting index of sensing communication network domains according to processing capacity, and as: data aggregate, data filter, data forwarding etc.;
C) far-end sensing access unit is responsible for sense communication node network access facility is provided, and helps it to insert the wide area sensing network system;
D) the sense communication node transducer that is responsible for various free of data interfaces provides communication interface; Realize that the wide area sensing network inserts; Perhaps, make it insert the wide area sensing network system through wireless mode for to have only transducer, monitoring instrument, the physical measurement equipment of cable data interface that wireless communication ability is provided;
E) the sensing network communication controler is that far-end sensing access unit provides network insertion and controlled function, simultaneously through far-end sensing access unit control sense communication node and transducer;
F) internetwork connection mode between sensing network communication controler, far-end sensing access unit, the sense communication node can be direct-connected, perhaps three layers of IP network connection of double layer network connection;
G) through sensing network communication controler, far-end sensing access unit layering networking mode, big quantity sensor can be managed, controlled to the sensing network communication controler, and setting up with it is the sensing communication network domains of core.
According to a third aspect of the invention we, data between a kind of sensing communication network domains mechanism that interconnects is provided, has it is characterized in that:
A) in the wide area sensing network system, sensing network data gateway quilt is as between each sensing communication network domains, and the connection device between sensing communication network domains and the wide area sensing net application system;
B) the sensing network data gateway is responsible for realizing data route and the exchange between the sensing communication network domains;
C) the sensing network data gateway also is responsible for realizing data route and the exchange between sensing communication network domains and all kinds of wide area sensing network application system.
A kind of dynamic network topology distribution mechanism of wide area sensing network system is provided according to a forth aspect of the invention.It is characterized in that:
A) in order to improve network O&M efficient, the networking topology in the sensing communication network domains is disposed the gateway dynamic assignment by sensing network;
B) in the time of after a sense communication node starts, will being linked into the wide area sensing network system; It is a far-end sensing of this sense communication node dynamic assignment access unit according to the sensing network service rule that disposes on it that sensing network is disposed gateway device; As its network insertion and control appliance that inserts the wide area sensing network system, sense communication node will be linked into the wide area sensing network system through the far-end sensing access unit that is assigned with;
C) in the time of after far-end sensing access unit starts, will being linked into the wide area sensing network system, sensing network is disposed gateway device dynamically for it distributes a sensing network communication controler, inserts the network insertion and the control appliance of wide area sensing network system as it.Far-end sensing access unit will be linked into the wide area sensing network system through the sensing network communication controler that is assigned with.
According to a fifth aspect of the invention, a kind of sense communication node device is provided, the transducer that it is used to various free of data interfaces provides communication interface, realizes that the wide area sensing network inserts; Perhaps, make it pass through wireless mode and insert the wide area sensing network system, become a member in the wide area sensing network system for to have only transducer, monitoring instrument, the physical measurement equipment of cable data interface that wireless communication ability is provided.
Comprise in the sense communication node device: first deriving means, first dispensing device, second deriving means, second dispensing device, sensing data processing unit, protocol processes device, node management device.Wherein: first deriving means is used to receive the information from transducer; First dispensing device is used to send information to transducer; Second deriving means is used to receive the information from far-end sensing access unit; Second dispensing device is used to send information to far-end sensing access unit; The sensing data processing unit is used to handle the Monitoring Data from transducer, and encapsulate forwarded gives far-end sensing access unit, receives the sensor information stream from far-end sensing access unit simultaneously, is transmitted to transducer; The protocol processes device is used to realize the communication control processor between sense communication node and the far-end sensing access unit; Node management device is responsible for the functions such as system management, on-line debugging and software version management of sense communication node.
According to a sixth aspect of the invention, a kind of far-end sensing access unit device is provided.It is used to the comprehensive access service that all kinds of sense communication nodes provide the wide area sensing network system.Comprise in the far-end sensing access unit device: first deriving means, first dispensing device, second deriving means, second dispensing device, sensing network communication controler Communications Management Units, sensing network are disposed gateway communication management devices, sensing business processing device, local sensing network inking device, local sensing network management devices, equipment management device.Wherein: first deriving means is used to receive the information from sense communication node; First dispensing device is used to send information to sense communication node; Second deriving means is used to receive the information from sensing network communication controler and sensing network deployment gateway; Second dispensing device is used to send information to the sensing network communication controler and sensing network is disposed gateway; Sensing network communication controler Communications Management Units is used to realize the sensing communication network domains management agreement between sensing network communication controler and the far-end sensing access unit; Sensing network deployment gateway communication management devices is used to realize and sensing network is disposed wide area sensing network dynamic topology distributorship agreement and wide area sensing network dynamic topology maintenance agreement between the gateway; The sensing business processing device is used to realize the processing to sensor data stream; Local sensing network inking device is used to realize the configuration of the configuration of far-end sensing access unit self and its sense communication node that is inserted; Local sensing network management devices is responsible for the network topology of the local area sensing net that sense communication node that maintenance of far end sensing access unit inserted forms; Equipment management device is responsible for the functions such as system management, on-line debugging and software version management of far-end sensing access unit.
According to a seventh aspect of the invention, a kind of sensing network Control on Communication apparatus is provided.It is used to realize the centralized control and the management of the interior far-end sensing access unit of a sensing communication network domains, sense communication node, transducer, and the sensing netting index is according to route, forwarding and processing capacity.Comprise in the sensing network Control on Communication apparatus: first deriving means, first dispensing device, second deriving means, second dispensing device, far-end sensing access unit Communications Management Units, sensing business processing device, sensing network inking device, network topology management device, equipment management device.Wherein: first deriving means is used to receive the information from far-end sensing access unit; First dispensing device is used to send information to far-end sensing access unit; Second deriving means is used to receive the information from sensing network data gateway or sensing network deployment gateway; Second dispensing device is used to send information to the sensing network data gateway or sensing network is disposed gateway; Far-end sensing access unit Communications Management Units is used to realize the sensing communication network domains management agreement between sensing network communication controler and the far-end sensing access unit; The sensing business processing device is used to realize the processing to sensor data stream; The sensing network inking device is responsible for realizing the configuration management work of all networking nodes in the sensing communication network domains; The network topology management device is responsible for safeguarding the network topology structure in the sensing communication network domains; Equipment management device is responsible for the functions such as system management, on-line debugging and software version management of sensing network communication controler.
According to an eighth aspect of the invention, provide a kind of sensing network to dispose gateway apparatus.It is used to realize the network topology dynamic assignment of wide area sensing network system, is its equipment that provides network insertion and control to serve according to the sensing network service rule of configuration for the sense communication node or the far-end sensing access unit dynamic assignment of attempting to insert the wide area sensing network system.
According to a ninth aspect of the invention, a kind of sensing network data gateway device is provided.It is used to realize the exchanges data between the sensing communication network domains in the wide area sensing network system, and the exchanges data between sensing communication network domains and the wide area sensing network application system.
Adopt scheme of the present invention, can set up the wide area sensing network system that to realize that wide area covers, for all kinds of sensing net application systems based on the wide area sensing network provide service.
Description of drawings
Through with reference to the detailed description of being done below the advantages to non-limiting example, other features, objects and advantages of the present invention will become more obvious.Illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 shows at present the system architecture diagram based on the radio sensing network of sensing gateway;
Fig. 2 shows the system architecture diagram towards the wide area sensing network system of wide-area deployment according to a specific embodiment of the present invention;
Fig. 3 shows the block diagram according to the sense communication node device of a specific embodiment of the present invention;
Fig. 4 shows the block diagram according to the far-end sensing access unit device of a specific embodiment of the present invention;
Fig. 5 shows the block diagram according to the sensing network Control on Communication apparatus of a specific embodiment of the present invention;
Wherein, same or analogous Reference numeral is represented same or analogous steps characteristic or device/module.
Embodiment
Below in conjunction with accompanying drawing, preferred implementation of the present invention is carried out detailed explanation.
As shown in Figure 2, form jointly by a plurality of sensing communication network domains, sensing network deployment gateway and sensing network data gateway device towards the wide area sensing network system of wide-area deployment.Between the sensing communication network domains, as: be communicated with through the sensing network data gateway between sensing communication network domains 1, the sensing communication network domains 2, the sensing network data gateway is responsible for realizing data route and the forwarding between the sensing communication network domains.The sensing network data gateway also is responsible for realizing data route and the forwarding between sensing communication network domains and the wide area sensing net application system; It can be transmitted to specified sensor with the transducer control messages from wide area sensing net application system, and also the sensor acquisition information of self-sensing communication network domains is transmitted to and specifies wide area sensing net application system in the future.Sensing network is disposed gateway and is responsible for realizing that the dynamic topology in the wide area sensing network system distributes and maintenance; It is that it provides network insertion upper level network equipment with the control service for sensing communication network domains interior sense communication node and far-end sensing access unit dynamic assignment; Also be responsible for the topological structure of Dynamic Maintenance wide area sensing network simultaneously; Revise information for the sensing network data gateway provides wide area sensing net topology, can revise synchronously with the topological variation of the real network of wide area sensing network system by table with the wide area sensing network that guarantees to safeguard on the sensing network data gateway.
Be example with the sensing communication network domains among Fig. 21 below, second aspect of the present invention is described.
The sensing communication network domains is made up of devices such as sensing network communication controler, far-end sensing access unit, sense communication node, transducer and equipment.Wherein, the sensing network communication controler is the core control equipment of a sensing communication network domains, and it is in charge of and controls all the networking node devices in the sensing communication network domains, as: far-end sensing access unit, sense communication node, transducer or the like.The sensing network communication controler also is responsible for according to concrete professional rule configuration the Monitoring Data of all the sensors collection in the sensing communication network domains being carried out data processing, as: operations such as data filter, data aggregate, data forwarding.Far-end sensing access unit is under the control of sensing network communication controler; For sense communication node and transducer provide network access facility, for sense communication node 1 sense communication node such as grade the network access facility that is linked into the wide area sensing network system is provided like: far-end sensing access unit 1.The sensing network communication controler is the core control equipment of whole sensing communication network domains; Be responsible for all the far-end sensing access units in the network are carried out control and management; And pass through and far-end sensing access unit layering networking, realize the establishment of the sensing communication network domains that coverage is bigger.Sensing network communication controler and far-end sensing access unit can through directly be connected, two layers of exchange connect and any way such as be connected with three layers of route and carry out network and connect.
Below in conjunction with Fig. 2 the third aspect of the invention is described.
In the wide area sensing network system, sensing network data gateway equipment is responsible for realizing interconnecting between each sensing communication network domains as switch between the territory.For example: the transducer 1 in the sensing communication network domains 1 will send the transducer n of packet x in the sensing communication network domains 2; Then the packet x from transducer 1 is sent to sensing network communication controler 1, is forwarded to the sensing network data gateway by sensing network communication controler 1.The sensing network data gateway is according to the sign of the sensor of interest among the packet x that receives; Wide area sensing network in the retrieval facility is by table; Get access to the next-hop network equipment of transducer n; Be sensing network communication controler 2, then the sensing network data gateway is transmitted to sensing network communication controler 2 with packet x, is responsible for packet x is forwarded to transducer n by sensing network communication controler 2.
Sensing network data gateway equipment also is responsible for the exchanges data between each sensing communication network domains and the wide area sensing network application system simultaneously.For example: after the data of all the sensors collection are handled in 1 pair of sensing communication network domains of sensing network communication controler 1, the packet y after handling is sent to wide area sensing network application system 1.Then sensing network communication controler 1 sends to the sensing network data gateway with packet y; The sensing network data gateway is according to the destination node marking among the packet x that receives, and the wide area sensing network in the retrieval facility gets access to the IP address of wide area sensing network application system 1 by table, and packet y is transmitted to wide area sensing network application system 1.
If wide area sensing network application system 1 will be sent a control information to transducer 1, then the wide area sensing network application system 1 packet m that will comprise this information sends to the sensing network data gateway; The sensing network data gateway is according to the destination node marking among the packet m that receives; Wide area sensing network in the retrieval facility is by table; Get access to the next-hop network equipment of transducer 1; Be sensing network communication controler 1, then the sensing network data gateway is transmitted to sensing network communication controler 1 with packet m, is responsible for packet m is forwarded to transducer 1 by sensing network communication controler 1.
Below in conjunction with Fig. 2 fourth aspect of the present invention is described.
Sensing network is disposed gateway and is responsible for realizing that the dynamic network topology of wide area sensing network system distributes.Because far-end sensing access unit and sense communication node disperse to dispose; In the wide area sensing network system, the address information of each far-end sensing access unit and the pre-configured higher level's networking equipment of sense communication node to be, great network O&M load can be brought.The deployment of sensing network deployment gateway allows for each far-end sensing access unit and sense communication node dynamic assignment behind device start can provide the higher level networking equipment of network insertion with the control service for them.For example: after far-end sensing access unit 1 starts; Sensing network is disposed gateway and is distributed sensing network communication controler 1 as its higher level's networking equipment for it; After far-end sensing access unit 1 receives the address information of sensing network communication controler 1; Communicate by letter the request access service with sensing network communication controler 1.
Fig. 3 shows the sense communication node device according to a specific embodiment of the present invention, and the transducer that it is used to various free of data interfaces provides communication interface, realizes that the wide area sensing network inserts; Perhaps, make it pass through wireless mode and insert the wide area sensing network system, become a member in the wide area sensing network system for to have only transducer, monitoring instrument, the physical measurement equipment of cable data interface that wireless communication ability is provided.Comprise in the sense communication node device: first deriving means 101, first dispensing device 102, second deriving means 103, second dispensing device 104, sensing data processing unit 105, protocol processes device 106, node management device 107.Wherein:
First deriving means 101 is used to receive the information from transducer.First deriving means 101 is delivered sensing data processing unit 105 with it and is handled after the information that receives from transducer.
First dispensing device 102 is used to send information to transducer.Sensing data processing unit 105 will send to the information of transducer and transfer to 102 transmissions of first dispensing device.
Second deriving means 103 is used to receive the information from far-end sensing access unit.After second deriving means 103 receives the information from far-end sensing access unit, it is handed to protocol processes device 106 handle.
Second dispensing device 104 is used to send information to far-end sensing access unit.Sensing data processing unit 105 all can be submitted to second dispensing device 104 with the information that will be transmitted to far-end sensing access unit that protocol processes device 106 is produced, and sends to far-end sensing access unit by second dispensing device 104.
Sensing data processing unit 105 is used to handle the Monitoring Data from transducer, and gives far-end sensing access unit with the data forwarding that needs report, and receives the sensor information stream from far-end sensing access unit simultaneously, is transmitted to transducer.
Protocol processes device 106; Be used to realize the communication control processor between sense communication node and the far-end sensing access unit, realize functions such as the communication port between sense communication node and the far-end sensing access unit is safeguarded, the network insertion of sense communication node, configuration management.Protocol processes device 106 is responsible for far-end sensing access unit mutual; Communication port between foundation and the far-end sensing access unit; And safeguard this communication port; Be implemented to the network insertion of far-end sensing access unit, and obtain configuration data, sense communication node is configured from far-end sensing access unit.
Node management device 107 is used to realize the functions such as system management, on-line debugging and software version management of sense communication node device.
Fig. 4 shows the far-end sensing access unit device according to a specific embodiment of the present invention, and it is used to the comprehensive access service that various kinds of sensors and sense communication node provide the wide area sensing network system.Comprise in the far-end sensing access unit device: first deriving means 201, first dispensing device 202, second deriving means 203, second dispensing device 204, sensing network communication controler Communications Management Units 205, sensing network are disposed gateway communication management devices 206, sensing business processing device 207, local sensing network inking device 208, local sensing network management devices 209, equipment management device 210.Wherein:
First deriving means 201 is used to receive the information from sense communication node, and the information that receives is handed to local sensing network management devices 209.
First dispensing device 202 is used to send information to sense communication node.The information that local sensing network management devices 209 will send to sense communication node is submitted to first dispensing device 202, sends to sense communication node through first dispensing device 202.
Second deriving means 203; Be used to receive information from sensing network communication controler and sensing network deployment gateway; And the information of self-sensing network communication controller is transmitted to sensing network communication controler Communications Management Units 205 in the future, and the information of self-sensing network design gateway is transmitted to sensing network and disposes gateway communication management devices 206 in the future.
Second dispensing device 204 is used to send information to sensing network communication controler and sensing network and disposes gateway.The message that sensing network communication controler Communications Management Units 205 will send to the sensing network communication controler is submitted to second dispensing device 204, sends to the sensing network communication controler through second dispensing device 204.The message that sensing network deployment gateway communication management devices 206 will send to sensing network deployment gateway is submitted to second dispensing device 204, sends to sensing network through second dispensing device 204 and disposes gateway.
Sensing network communication controler Communications Management Units 205 is used to realize the sensing communication network domains management agreement between sensing network communication controler and the far-end sensing access unit, comprising: functions such as network insertion, device authentication, system configuration, data forwarding.
Sensing network deployment gateway communication management devices 206 is used to realize and sensing network is disposed wide area sensing network dynamic topology distributorship agreement and wide area sensing network dynamic topology maintenance agreement between the gateway.
Sensing business processing device 207 is used to realize the processing to sensor data stream, as: data filter etc., and the sensor data stream after will handling is handed to sensing network communication controler Communications Management Units 205.
Local sensing network inking device 208 is used to realize configuration of far-end sensing access unit self and sense communication node configuration.Local sensing network inking device 208 obtains the configuration information from sensing network communication controler Communications Management Units 205, self is configured, and the configuration information of sense communication node is submitted to local sensing network management devices 209 handle.
Local sensing network management devices 209, be responsible for to realize and sense communication node between communication protocol, and the network topology of the local area sensing net that inserted of maintenance of far end sensing access unit.The communication port that local sensing network management devices 209 is responsible between foundation and maintenance and the sense communication node; Handle the network insertion request of sense communication node, and sense communication node is configured according to sense communication node configuration data from local sensing network inking device 208.The information that local sensing network management devices 209 will send to sense communication node is submitted to first dispensing device 202 and is handled.
Equipment management device 210 is used to realize the functions such as system management, on-line debugging and software version management of far-end sensing access unit.
Fig. 5 shows the sensing network Control on Communication apparatus according to a specific embodiment of the present invention; It is used to realize the centralized control and the management of the interior far-end sensing access unit of a sensing communication network domains, sense communication node, transducer, and the sensing netting index is according to route, forwarding and processing capacity.Comprise in the sensing network Control on Communication apparatus: first deriving means 301, first dispensing device 302, second deriving means 303, second dispensing device 304, far-end sensing access unit Communications Management Units 305, sensing business processing device 306, sensing network inking device 307, network topology management device 308, equipment management device 309.Wherein:
First deriving means 301 is used to receive the information from far-end sensing access unit, and the information that receives is handed to far-end sensing access unit Communications Management Units 305.
First dispensing device 302 is used to send information to far-end sensing access unit.The message that far-end sensing access unit Communications Management Units 305 will send to far-end sensing access unit is submitted to first dispensing device 302, sends to far-end sensing access unit by first dispensing device 302.
Second deriving means 303; Be used to receive information from sensing network data gateway or sensing network deployment gateway; And the data-message from the sensing network data gateway that will receive hands to sensing business processing device 306, and the message of disposing gateway from sensing network that receives is handed to network topology management device 308.
Second dispensing device 304 is used to send information to sensing network data gateway or sensing network and disposes gateway.Sensing business processing device 306 will send to the message of sensing network data gateway and submit to second dispensing device 304, be transmitted to the sensing network data gateway by second dispensing device 304.Network topology management device 308 will send to the message of sensing network deployment gateway and submit to second dispensing device 304, be transmitted to sensing network by second dispensing device 304 and dispose gateway.
Far-end sensing access unit Communications Management Units 305 is used to realize the sensing communication network domains management agreement between sensing network communication controler and the far-end sensing access unit, functions such as the access control of realization far-end sensing access unit, authentication, node configuration.Far-end sensing access unit Communications Management Units 305 will be given sensing business processing device 306 according to circulation from the sensing netting index of far-end sensing access unit and handle, and the information that will send to far-end sensing access unit is submitted to 302 processing of first dispensing device.Be linked into the sensing communication network domains that the sensing network communication controler is controlled as new sense communication node, far-end sensing access unit; After perhaps original sense communication node, the far-end sensing access unit that inserts left the sensing communication network domains that the sensing network communication controler controlled, far-end sensing access unit Communications Management Units 305 was with relevant information informing network topology management device 308.
Sensing business processing device 306 is used to realize the processing to sensor data stream.Sensing business processing device 306 receives the data flow from transducer that far-end sensing access unit Communications Management Units 305 is delivered, and carries out data processing, comprising: data filter, data aggregate etc.Be transmitted to the data flow of other sensing communication network domains or wide area sensing network application system for needs, then submit to second dispensing device 304 and send to the sensing network data gateway.
Sensing network inking device 307 is used to realize the configuration management work of all networking nodes in the sensing communication network domains.Sensing network inking device 307 will be handed to far-end sensing access unit Communications Management Units 305 to the configuration information of far-end sensing access unit, sense communication node and handle.Far-end sensing access unit Communications Management Units 305 sends to far-end sensing access unit through first dispensing device 302 after relevant configuration information is carried out protocol encapsulation.
Network topology management device 308 is responsible for safeguarding the network topology in the sensing network communication domain.Network topology management device 308 is after receiving sense communication node from far-end sensing access unit Communications Management Units 305, far-end sensing access unit access state change notification; Can revise the sensing network communication domain network topology table of self maintained according to this information; And network topology change information is encapsulated in the message, send to sensing network through second dispensing device 304 and dispose gateway.
Below, eight aspect of the present invention is described, wherein, Fig. 2 and associated description thereof are incorporated herein by reference.
Sensing network is disposed the network topology dynamic assignment that gateway apparatus is used to realize the wide area sensing network system, and the sensing network service rule that goes up configuration according to device is its upper level networking equipment that provides network insertion and control to serve for the sense communication node or the far-end sensing access unit dynamic assignment of attempting to insert the wide area sensing network system.When the topology rule of wide area sensing network changes; Only need to revise sensing network and dispose the sensing network service rule on the gateway apparatus; Need not revise the configuration on each sense communication node and the far-end sensing access unit; Sensing network is disposed gateway can adjust the topological structure of wide area sensing network automatically according to amended sensing network service rule.
Below, the 9th aspect of the present invention is described, wherein, Fig. 2 and associated description thereof are incorporated herein by reference.
Sensing network data gateway device is the core data switching equipment in the wide area sensing network system, and it is used to realize the data exchanging function between exchanges data between the territory in the wide area sensing network system and sensing communication network domains and the sensing network application system.Sensing network data gateway device can be according to the destination node marking of the packet that receives; With sensing communication network domains or the target wide area sensing net application system of data packet transmission to the destination node place; Thereby guarantee between the sensing communication network domains, and interconnecting between sensing communication network domains and the wide area sensing net application system.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done is equal to replacement, improves etc., all should be included within protection scope of the present invention.
Claims (9)
1. wide area sensing network system towards wide-area deployment is characterized in that:
A) form by a plurality of sensing communication network domains that can interconnect towards the wide area sensing network system of wide-area deployment;
B) also comprise sensing network in the wide area sensing network system and dispose gateway and sensing network data gateway device, coordinate the deployment of a plurality of sensing communication network domains and interconnect;
C) sensing network is disposed gateway and is responsible for realizing that the dynamic network topology in the wide area sensing network system distributes and maintenance;
D) the sensing network data gateway is responsible for realizing the exchanges data between the sensing communication network domains in the wide area sensing network system, and the exchanges data between sensing communication network domains and the wide area sensing network application system.
2. wide area sensing network system according to claim 1, the sensing communication network domains is characterised in that:
A) the sensing communication network domains is made up of devices such as sensing network communication controler, far-end sensing access unit, sense communication node, transducer and equipment;
B) the sensing network communication controler is as the core control equipment of a sensing communication network domains; Be in charge of and control all the networking node devices in the sensing communication network domains; As: far-end sensing access unit, sense communication node, transducer, and provide the interior sensing netting index of sensing communication network domains according to processing capacity;
C) far-end sensing access unit is responsible for sense communication node network access facility and controlled function is provided;
D) the sense communication node transducer that is responsible for various free of data interfaces provides communication interface; Realize that the wide area sensing network inserts; Perhaps, be implemented to the wireless access of wide area sensing network for to have only transducer, monitoring instrument, the physical measurement equipment of cable data interface that wireless communication ability is provided;
E) the sensing network communication controler is that far-end sensing access unit provides network insertion and controlled function, simultaneously through far-end sensing access unit control sense communication node and transducer;
F) internetwork connection mode between sensing network communication controler, far-end sensing access unit, the sense communication node can be direct-connected, perhaps three layers of IP network connection of double layer network connection;
G) through sensing network communication controler, far-end sensing access unit layering networking mode, big quantity sensor can be managed, controlled to the sensing network communication controler, and setting up with it is the sensing communication network domains of core.
3. wide area sensing network system according to claim 1, the data between the sensing communication network domains mechanism of interconnecting is characterised in that:
A) in the wide area sensing network system, sensing network data gateway quilt is as between each sensing communication network domains, and the connection device between sensing communication network domains and the wide area sensing net application system;
B) the sensing network data gateway is responsible for realizing data route and the exchange between the sensing communication network domains;
C) the sensing network data gateway also is responsible for realizing data route and the exchange between sensing communication network domains and all kinds of wide area sensing network application system.
4. wide area sensing network system according to claim 1, the dynamic network topology distribution mechanism of wide area sensing network system is characterised in that:
A) in order to improve network O&M efficient, the networking topology in the sensing communication network domains is disposed the gateway dynamic assignment by sensing network;
B) in the time of after a sense communication node starts, will being linked into the wide area sensing network system; It is a far-end sensing of this sense communication node dynamic assignment access unit according to the sensing network service rule that disposes on it that sensing network is disposed gateway device; As its network insertion and control appliance that inserts the wide area sensing network system, sense communication node will be linked into the wide area sensing network system through the far-end sensing access unit that is assigned with;
C) in the time of after far-end sensing access unit starts, will being linked into the wide area sensing network system, sensing network is disposed gateway device dynamically for it distributes a sensing network communication controler, inserts the network insertion and the control appliance of wide area sensing network system as it.Far-end sensing access unit will be linked into the wide area sensing network system through the sensing network communication controler that is assigned with.
5. sensing communication network domains according to claim 2, the sense communication node device is characterised in that:
A) the sense communication node device transducer that is used to various free of data interfaces provides communication interface; Realize that the wide area sensing network inserts; Perhaps for to have only transducer, monitoring instrument, the physical measurement equipment of cable data interface that wireless communication ability is provided; Make it pass through wireless mode and insert the wide area sensing network system, become a member in the wide area sensing network system;
B) comprise in the sense communication node device: first deriving means, first dispensing device, second deriving means, second dispensing device, sensing data processing unit, protocol processes device, node management device;
C) first deriving means is used to receive the information from transducer;
D) first dispensing device is used to send information to transducer;
E) second deriving means is used to receive the information from far-end sensing access unit;
F) second dispensing device is used to send information to far-end sensing access unit;
G) the sensing data processing unit is used to handle the Monitoring Data from transducer, and encapsulate forwarded gives far-end sensing access unit, receives the sensor information stream from far-end sensing access unit simultaneously, is transmitted to transducer;
H) the protocol processes device is used to realize the communication control processor between sense communication node and the far-end sensing access unit;
I) node management device is responsible for the functions such as system management, on-line debugging and software version management of sense communication node.
6. sensing communication network domains according to claim 2, far-end sensing access unit device is characterised in that:
A) far-end sensing access unit device is used to the comprehensive access service that all kinds of sense communication nodes provide the wide area sensing network system;
B) comprise in the far-end sensing access unit device: first deriving means, first dispensing device, second deriving means, second dispensing device, sensing network communication controler Communications Management Units, sensing network are disposed gateway communication management devices, sensing business processing device, local sensing network inking device, local sensing network management devices, equipment management device;
C) first deriving means is used to receive the information from sense communication node;
D) first dispensing device is used to send information to sense communication node;
E) second deriving means is used to receive the information from sensing network communication controler and sensing network deployment gateway;
F) second dispensing device is used to send information to sensing network communication controler and sensing network deployment gateway;
G) sensing network communication controler Communications Management Units is used to realize the sensing communication network domains management agreement between sensing network communication controler and the far-end sensing access unit;
H) sensing network disposes that the gateway communication management devices is used to realize and sensing network is disposed wide area sensing network dynamic topology distributorship agreement and wide area sensing network dynamic topology maintenance agreement between the gateway;
I) the sensing business processing device is used to realize the processing to sensor data stream, comprises data flow and the data flow that will send to transducer from transducer;
J) local sensing network inking device is used to realize the configuration of the configuration of far-end sensing access unit self and its sense communication node that is inserted;
K) local sensing network management devices is responsible for the network topology of the local area sensing net that sense communication node that maintenance of far end sensing access unit inserted forms;
L) equipment management device is responsible for the functions such as system management, on-line debugging and software version management of far-end sensing access unit.
7. sensing communication network domains according to claim 2, sensing network Control on Communication apparatus is characterised in that:
A) sensing network Control on Communication apparatus is used to realize the centralized control and the management of the interior far-end sensing access unit of a sensing communication network domains, sense communication node, transducer, and the sensing netting index is according to route, forwarding and processing capacity;
B) comprise in the sensing network Control on Communication apparatus: first deriving means, first dispensing device, second deriving means, second dispensing device, far-end sensing access unit Communications Management Units, sensing business processing device, sensing network inking device, network topology management device, equipment management device;
C) first deriving means is used to receive the information from far-end sensing access unit;
D) first dispensing device is used to send information to far-end sensing access unit;
E) second deriving means is used to receive the information from sensing network data gateway or sensing network deployment gateway;
F) second dispensing device is used to send information to sensing network data gateway or sensing network deployment gateway;
G) far-end sensing access unit Communications Management Units is used to realize the sensing communication network domains management agreement between sensing network Control on Communication apparatus and the far-end sensing access unit;
H) the sensing business processing device is used to realize the processing to sensor data stream, comprises data flow and the data flow that will send to transducer from transducer;
I) the sensing network inking device is responsible for realizing the configuration management work of all networking nodes in the sensing communication network domains;
J) the network topology management device is responsible for safeguarding the network topology structure in the sensing communication network domains;
K) equipment management device is responsible for the functions such as system management, on-line debugging and software version management of sensing network Control on Communication apparatus.
8. sensing communication network domains according to claim 2; Sensing network is disposed gateway apparatus and is characterised in that: sensing network is disposed the network topology dynamic assignment that gateway apparatus is used to realize the wide area sensing network system, is its equipment that provides network insertion and control to serve according to the sensing network service rule of configuration for the sense communication node or the far-end sensing access unit dynamic assignment of attempting to insert the wide area sensing network system.
9. sensing communication network domains according to claim 2; Sensing network data gateway device is characterised in that: sensing network data gateway device is used to realize exchanges data between the sensing communication network domains in the wide area sensing network system, and the exchanges data between sensing communication network domains and the wide area sensing network application system.
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