CN102316480B - Low-power-consumption video wireless sensor network organizing method and device - Google Patents
Low-power-consumption video wireless sensor network organizing method and device Download PDFInfo
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
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Abstract
The invention relates to the technical field of information and communication, in particular to a low-power-consumption video wireless sensor network organizing method and a realizing device thereof. In the technical scheme of the invention, a low-power-consumption video wireless sensor is used for carrying out data transmission by adopting an ultralow-power-consumption Wi-Fi chip technology and is organized to form a wireless sensor network with a local monitoring node device of a video wireless sensor network through a Wi-Fi technology. The local monitoring node device of the video wireless sensor network realizes task management, video data processing, safety control and network topology maintaining functions of the low-power-consumption Wi-Fi p video wireless sensor network, and externally provides an external network and a unique interface among various application services, thereby being capable of effectively solving the problems of network organization and service configuration of the low-power-consumption video wireless sensor network.
Description
Technical field
The present invention relates to Information & Communication Technology field, particularly relate to a kind of low-power-consumption video wireless sensor network organizing method and implement device.
Background technology
In recent years, technology of wireless sensing network obtains and develops fast.But the radio sensing network of research and deployment is at present mainly based on Zigbee/802.15.4 technology, and transmission bandwidth is low, networking is complicated, cannot be applicable to the monitoring business towards multimedia messagess such as videos.
Along with the maturation of super low-power consumption Wi-Fi chip technology, Wi-Fi can be used as the transmission technology of radio sensing network.Due to the high bandwidth characteristic of Wi-Fi, the radio sensing network set up based on Wi-Fi technology is made to be applicable to very much the multimedia monitoring information that transmission take video as representative.
Summary of the invention
The present invention proposes a kind of method for organizing and device of the low-power-consumption video radio sensing network based on super low-power consumption Wi-Fi chip technology, effectively can solve network organization and the service deployment problem of low-power-consumption video sensing network.
According to a first aspect of the invention, a kind of novel low-power-consumption video radio sensing network local monitor node apparatus is provided.Wherein, comprising: the first acquisition device, for obtaining data flow from Wi-Fi video sensor and control flow check.First dispensing device, flows to Wi-Fi video sensor for sending control; Second acquisition device, for obtaining the control flow check from the video sensing network application server being positioned at external network; Second dispensing device, for sending information to the video sensing network application server of external network.Security control unit, the data flow between responsible realization with Wi-Fi video sensor and the encryption and decryption functions of control flow check, ensure the fail safe of the data communication in video radio sensing network; Sensing network administrative unit, is responsible for realizing the sensing network management function such as the access control of Wi-Fi video sensor, the maintenance of video radio sensing network topology; Application interface unit, for realizing the interface between various video sensing network application server, video sensing network application server is by application interface unit and video sensing network interface; Video processing unit, is responsible for carrying out Video coding to the video flowing from Wi-Fi video sensor; Video storage unit, is responsible for the video information storing the collection of Wi-Fi video sensor; Streaming Media unit, is responsible for realizing the real-time network transmission of the video information of Wi-Fi video sensor collection or the Internet Transmission to the video information be stored in video storage unit 109; Task processing unit, is responsible for retrieving the video information that video storage unit is preserved according to the operation requirements of video sensing network application server, finds satisfactory Video stream information, or generates real-time video monitoring information acquisition; Video acquisition control unit, be responsible for analyzing video surveillance information gathering demand, control Wi-Fi video sensor carries out video surveillance information gathering, controls startup and the termination of video acquisition.
By Wi-Fi technical communication between video radio sensing network local monitor node and Wi-Fi video sensor; Transfer of data can be carried out by any wired or wireless communication technology such as Ethernet, DSL, 3G between video radio sensing network local monitor node and external communication network.
According to a second aspect of the invention, a kind of control device of novel low-power consumption Wi-Fi video sensor is provided.Wherein, comprising: the first acquisition device, for obtaining the control information from video radio sensing network local monitor node apparatus; First dispensing device, for sending the control information such as video flowing and wireless senser certification that collects to video radio sensing network local monitor node; Security control unit, the data flow between responsible realization with video radio sensing network local monitor node and the encryption and decryption functions of control flow check, ensure the fail safe of the data communication in video radio sensing network; Sensing network administration agent unit, is responsible for realizing the function such as Wi-Fi video sensor access authentication, the maintenance of Wi-Fi video radio sensing network topology; Video acquisition unit, is responsible for gathering real-time video information.
Low-power consumption Wi-Fi video sensor adopts super low-power consumption Wi-Fi chip technology to carry out transfer of data, and by Wi-Fi technical communication between video radio sensing network local monitor node apparatus.Simultaneously in order to meet the low-power consumption requirement of wireless senser, moving on to video radio sensing network local monitor node by needing a large amount of Video coding function calculated and carrying out.Wi-Fi video sensor can be in resting state at ordinary times, only after receiving video acquisition starting command, just can start video information collection, and the information collected is sent to video radio sensing network local monitor node and does further process.By the combination of above various mechanism, guarantee that the energy ezpenditure of Wi-Fi video sensor can reach minimum, transducer can run even several years several months in powered battery situation.
According to a third aspect of the invention we, a kind of low-power-consumption video radio sensing network architecture is provided.Include between the video radio sensing network local monitor node apparatus of a specific embodiment of the present invention and multiple low-power consumption Wi-Fi video sensor and connected by Wi-Fi network, by any two layers or the connection of three layers of IP network between video radio sensing network local monitor node apparatus and video sensing network application server.Video radio sensing network local monitor node apparatus is responsible for safeguarding video radio sensing network, all Wi-Fi video sensors in control Wi-Fi video radio sensing network, and as the unique interface between Wi-Fi video radio sensing network and external video sensing network application server, be responsible for providing the support of radio sensing network information monitoring to outside all kinds of video sensing network application service.
According to a forth aspect of the invention, the topology providing a kind of low-power-consumption video radio sensing network is set up and maintenance process.Wherein, comprise the following steps: a) video radio sensing network local monitor node apparatus sends video radio sensing network access advertisement information; B) Wi-Fi video sensor response video radio sensing network access advertisement information; C) video radio sensing network local monitor node apparatus sends Wi-Fi video sensor authentication notification; D) Wi-Fi video sensor certification; E) video radio sensing network topology upgrades.
According to a fifth aspect of the invention, a kind of video monitoring information collecting flowchart based on low-power-consumption video radio sensing network is provided.Wherein, comprise the following steps: a) video radio sensing network local monitor node apparatus sends video acquisition initiation message to Wi-Fi video sensor; B) Wi-Fi video sensor starts video information collection; C) Wi-Fi video sensor sends the real-time video collected and flows to video radio sensing network local monitor node apparatus; D) video radio sensing network local monitor node apparatus carries out Video coding to the monitoring video flow received; If e) monitoring information needs real-time report, then video radio sensing network local monitor node apparatus by the video flowing real-time Transmission of having encoded to video sensing network application server; F) video radio sensing network local monitor node apparatus preserves the monitoring video flow of having encoded; G) video radio sensing network local monitor node apparatus sends video acquisition termination messages to Wi-Fi video sensor; H) Wi-Fi video sensor stops video information collection.
According to a sixth aspect of the invention, a kind of video information querying flow based on low-power-consumption video radio sensing network is provided.Wherein, comprise the following steps: a) video sensing network application server sends video information querying command; B) video radio sensing network local monitor node apparatus analysis and consult order, if then go to step c to the inquiry of monitor message in the past, otherwise goes to step d; C) video radio sensing network local monitor node apparatus is inquired about in the video information stored, and obtains the video content needed, goes to step e); D) video radio sensing network local monitor node apparatus sends video acquisition starting command to associated video transducer, log-on message collection, and obtains collection video flowing; E) video radio sensing network local monitor node apparatus as required, and the query video of step c or steps d or video acquisition result are sent to video sensing network application server.
Adopt the solution of the present invention, can realize providing the high-efficiency tissue of low-power-consumption video radio sensing network and business.
Accompanying drawing explanation
Read the following detailed description to non-limiting example by referring to accompanying drawing, other features, objects and advantages of the present invention will become more obvious.Schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the architectural schematic of the low-power-consumption video radio sensing network according to a specific embodiment of the present invention;
Fig. 2 shows the video radio sensing network local monitor node apparatus schematic diagram according to a specific embodiment of the present invention;
Fig. 3 shows the control device schematic diagram of the low-power consumption Wi-Fi video sensor according to a specific embodiment of the present invention;
Fig. 4 shows and sets up and maintenance process figure according to the topology of the low-power-consumption video radio sensing network of a specific embodiment of the present invention;
Fig. 5 shows the video information collecting flowchart figure of the low-power-consumption video radio sensing network according to a specific embodiment of the present invention;
Fig. 6 shows the video information querying flow figure of the low-power-consumption video radio sensing network according to a specific embodiment of the present invention.
Wherein, same or analogous Reference numeral represents same or analogous steps characteristic or device/module.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiment of the present invention is described in detail.
As shown in Figure 1, the video radio sensing network local monitor node apparatus including a specific embodiment of the present invention is connected with multiple low-power consumption Wi-Fi video sensor by Wi-Fi network, composition low-power consumption Wi-Fi video sensing network.The Wi-Fi AP disposed in advance provides local scope Wi-Fi network to cover.Video radio sensing network local monitor node apparatus can be connected with video sensing network application server by any IP network or Internet, for it provides video radio sensing network monitoring information.
Fig. 2 shows the schematic diagram of the video radio sensing network local monitor node apparatus according to a specific embodiment of the present invention, mainly comprises: the first acquisition device 101, first dispensing device 102, second acquisition device 103, second dispensing device 104, security control unit 105, sensing network administrative unit 106, application interface unit 107, video processing unit 108, video storage unit 109, Streaming Media unit 110, task processing unit 111, video acquisition control unit 112.Wherein:
First acquisition device 101, for obtaining data flow from Wi-Fi video sensor and control flow check.Video radio sensing network local monitor node apparatus is communicated with Wi-Fi video sensor by technology such as 802.11a/b/g/n, receives the data flow from Wi-Fi video sensor and control flow check.The data flow received and control flow check information are passed to security control unit 105 and process by the first acquisition device 101.
First dispensing device 102, for the Wi-Fi video sensor that sends control information.
Second acquisition device 103, for obtaining the control flow check from the video sensing network application server being positioned at external network.As: receive monitor message querying command, the video acquisition starting command from video sensing network application server, etc.The control flow check received is passed to application interface unit 107 and is further processed by the second acquisition device 103.Second acquisition device can be connected with external IP network, Internet, and be connected to various video sensing network application server by external IP network or Internet by any wired, communication.
Second dispensing device 104, flows to video sensing network application server for sending data, as: the video surveillance information that transmission Wi-Fi video sensor collects is to video sensing network application server.
Security control unit 105, the data flow between responsible realization with Wi-Fi video sensor and the encryption and decryption functions of control flow check, ensure the fail safe of the data communication in video radio sensing network.802.11 technology have provided ripe safe practice, as: 802.11i, WPA, WPA2 etc.The secure transmission technique utilizing 802.11 technology to provide can guarantee the safety that Wi-Fi video sensing network internal information transmits.Security control unit 105 is responsible for the Encrypt and Decrypt function realizing the data flow transmitted between video radio sensing network local monitor node apparatus and Wi-Fi video sensor according to technology such as WPA, WPA2.After data stream process, security control unit 105 is issued video processing unit 108 the stream compression from Wi-Fi video sensor and is done further data processing, the control flow check from Wi-Fi video sensor is transmitted to sensing network administrative unit 106 and does further process.After receiving the transducer control command from video acquisition control unit, sent to by the first dispensing device after control flow check is encrypted by security control unit 105 and specify Wi-Fi video sensor.
Sensing network administrative unit 106, is responsible for realizing the sensing network management functions such as the access control of Wi-Fi video sensor, the foundation of Wi-Fi video radio sensing network topology and updating maintenance.
Application interface unit 107, for realizing the interface between various video sensing network application server.Video sensing network application server is by application interface unit and video sensing network interface, by this interface, video radio sensing network can serve the application of various video sensing network, receive the information inquiring command of multiple video sensing network application server, and to the video monitoring information that multiple video sensing network application server transmission video sensing network detects.When after the order that application interface unit 107 receives from video sensing network application server, transferring order is done further process to task processing unit 111 by it.
Video processing unit 108, be responsible for carrying out Video coding process to the video flowing from Wi-Fi video sensor, if need to carry out real-time report to monitoring information, then the video flowing of having encoded is sent to video sensing network application server by Streaming Media unit 110, otherwise the video flowing of having encoded is passed to video storage unit 109 preserve.
Video storage unit 109, is responsible for the video information storing the collection of Wi-Fi video sensor.
Streaming Media unit 110, is responsible for realizing the real-time network transmission of the video information of Wi-Fi video sensor collection or the Internet Transmission to the video information be stored in video storage unit 109.
Task processing unit 111, is responsible for realizing the task analysis of video sensing network and the processing capacity such as task scheduling, task distribution.Task processing unit receives the querying command from application interface unit 107, analyzes, be decomposed into the operational order of Wi-Fi video sensor and the operational order to video storage unit, video processing unit it.If the inquiry to store video information, then according to search request, the video information that video storage unit is preserved is retrieved, find satisfactory Video stream information, and call Streaming Media unit 110 Internet Transmission is carried out to the video information inquired, send video sensing network application server to; If the inquiry to the real-time video monitoring information in a certain regional extent, then pass to video acquisition control unit 112 and do further process.
Video acquisition control unit 112, be responsible for analyzing video surveillance information gathering demand, control Wi-Fi video sensor carries out video surveillance information gathering, controls startup and the termination of video acquisition.Video acquisition control unit analyzes video surveillance information gathering demand, generates the real time video collection order to some Wi-Fi video sensor; In addition, when Wi-Fi video sensor completes acquisition request message, video acquisition control unit generates transducer video acquisition and stops order.The order of all the sensors video-capture operations sends to Wi-Fi video sensor after all carrying out data flow safety encipher by security control unit 105.
By Wi-Fi technical communication between video radio sensing network local monitor node and Wi-Fi video sensor; Transfer of data can be carried out by any wired or wireless communication technology such as Ethernet, DSL, 3G between video radio sensing network local monitor node and external communication network.
Video radio sensing network local monitor node apparatus realizes various management and the data processing function of Wi-Fi video sensing network, realize security control and the topological dimension protective function of Wi-Fi video sensing network, and externally provide and external network and types of applications service between unique interface.
Fig. 3 shows the control device schematic diagram of the low-power consumption Wi-Fi video sensor according to a specific embodiment of the present invention, mainly comprises: the first acquisition device 201, first dispensing device 202, security control unit 203, sensing network administration agent unit 204, video acquisition unit 205.
First acquisition device 201, for obtaining the control information from video radio sensing network local monitor node apparatus.
First dispensing device 202, for sending the control information such as video flowing and wireless senser certification that collects to video radio sensing network local monitor node.
Security control unit 203, the data flow between responsible realization with video radio sensing network local monitor node and the encryption and decryption functions of control flow check, ensure the fail safe of the data communication in video radio sensing network;
Sensing network administration agent unit 204, is responsible for realizing the function such as Wi-Fi video sensor access authentication, the maintenance of Wi-Fi video radio sensing network topology;
Video acquisition unit 205, is responsible for gathering real-time video information.
Low-power consumption Wi-Fi video sensor adopts super low-power consumption Wi-Fi chip to carry out communications, and by Wi-Fi technical communication between video radio sensing network local monitor node apparatus.In order to meet the low-power consumption demand of wireless senser, moving on to video radio sensing network local monitor node by needing a large amount of Video coding function calculated and carrying out.Wi-Fi video sensor can be in resting state at ordinary times, only gathering after starting command when receiving video information, just can start video information collection, and the information collected is sent to video radio sensing network local monitor node and does further process; After video information collection has required, the collection of order ending message can be stopped according to the video information collection from video radio sensing network local monitor node, recover resting state.By the combination of various mechanism, guarantee that the energy ezpenditure of Wi-Fi video sensor can reach minimum, video sensor can run even several years several months in powered battery situation.
According to the embodiment of the present invention, the topology additionally providing a kind of low-power-consumption video radio sensing network is set up and maintenance process, below according to Fig. 4 and composition graphs 1 introduces this flow process.Wherein, comprise the following steps:
Step S10, video radio sensing network local monitor node apparatus is to Wi-Fi network INVENTIONBroadcast video radio sensing network access advertisement information.The sensing network administrative unit 106 of video radio sensing network local monitor node apparatus is responsible for generating video radio sensing network access advertisement information, and is sent to Wi-Fi network by the first dispensing device 102 with broadcast mode.Mark and the address of video radio sensing network local monitor node apparatus is carried in video radio sensing network access advertisement information.
Step S11, Wi-Fi video sensor receives video radio sensing network access advertisement information, utilizes mode of unicast to send video radio sensing network access response message.The mark of Wi-Fi video sensor is comprised in video radio sensing network access response message.
Step S12, video radio sensing network local monitor node apparatus sends authentication notification message to Wi-Fi video sensor after receiving the video radio sensing network access response message from Wi-Fi video sensor.
The certification of step S13, Wi-Fi video sensor.Wi-Fi video sensor, by authentication modes such as 802.1x, carries out certification.The sensing network administrative unit 106 of video radio sensing network local monitor node apparatus is responsible for Wi-Fi video sensor mutual, completes the authentication function of Wi-Fi video sensor.
Step S14, if certification is passed through, then this Wi-Fi video sensor is added its network topology by video radio sensing network local monitor node apparatus.Otherwise, refuse it and add.
Only have the Wi-Fi video sensor successfully joined in network topology that video radio sensing network local monitor node apparatus safeguards just can as a part for video radio sensing network, receive the control command from video radio sensing network local monitor node apparatus, and the video surveillance information that transmission collects is to video radio sensing network local monitor node apparatus.
According to the embodiment of the present invention, additionally provide a kind of video information collecting flowchart of low-power-consumption video radio sensing network, below according to Fig. 5 and composition graphs 1 introduces this flow process.Wherein, comprise the following steps:
Step S20, the video acquisition control unit of video radio sensing network local monitor node apparatus 1 is according to video monitoring demand, generate the video acquisition initiation message for Wi-Fi video sensor 1, and send this order to Wi-Fi video sensor 1 by the first dispensing device.
Step S21, Wi-Fi video sensor 1 starts video information collection.
Step S22, Wi-Fi video sensor 1 sends the real-time video collected and flows to video radio sensing network local monitor node apparatus 1.
Step S23, the video processing unit of video radio sensing network local monitor node apparatus 1 carries out Video coding to the monitoring video flow received.
Step S24, if monitor message needs real-time report, then video radio sensing network local monitor node apparatus by the video flowing of having encoded by Streaming Media unit real-time Transmission to video sensing network application server 1.
Step S25, video radio sensing network local monitor node apparatus 1 preserves the monitoring video flow of having encoded.
Step S26, after video monitoring information collection completes, video radio sensing network local monitor node apparatus 1 sends video acquisition termination messages to Wi-Fi video sensor 1.
Step S27, Wi-Fi video sensor 1 stops video information collection.
According to the embodiment of the present invention, additionally provide a kind of video information querying flow of low-power-consumption video radio sensing network, below according to Fig. 6 and composition graphs 1 introduces this flow process.Wherein, comprise the following steps:
Step S30, video sensing network application server sends video information querying command.
Step S31, the order of video radio sensing network local monitor node apparatus analysis and consult, if then go to step c to the inquiry of monitor message in the past, otherwise goes to step d.
Step S32, video radio sensing network local monitor node apparatus is inquired about in the video information stored, and obtains the video content needed.
Step S33, video radio sensing network local monitor node apparatus sends video acquisition order to relevant Wi-Fi video sensor, log-on message collection, and obtains collection video flowing.
Step S34, video radio sensing network local monitor node apparatus as required, by the query video of step c or steps d or gather content and send to video sensing network application server.
The multiple details described in the said equipment embodiment are equally applicable to embodiment of the method, therefore, eliminate the repeated description to same or similar part.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improves, all should be included within protection scope of the present invention.
Claims (8)
1. a low-power-consumption video radio sensing network architecture, is characterized in that:
A) connected by Wi-Fi network between video radio sensing network local monitor node apparatus and multiple low-power consumption Wi-Fi video sensor, by any two layers or the connection of three layers of IP network between video radio sensing network local monitor node apparatus and video sensing network application server;
B) video radio sensing network local monitor node apparatus is responsible for safeguarding video radio sensing network, all Wi-Fi video sensors in control Wi-Fi video radio sensing network, and as the unique interface between Wi-Fi video radio sensing network and external video sensing network application server, be responsible for providing the support of radio sensing network information monitoring to outside all kinds of video sensing network application service;
C) transfer of data is carried out by Ethernet, DSL or the 3G communication technology between video radio sensing network local monitor node apparatus and external communication network;
D) low-power consumption Wi-Fi video sensor adopts super low-power consumption Wi-Fi chip technology to carry out transfer of data, simultaneously in order to meet the low-power consumption requirement of wireless senser, moving on to video radio sensing network local monitor node by needing a large amount of Video coding function calculated and carrying out;
E) Wi-Fi video sensor is in resting state at ordinary times, only after receiving video acquisition starting command, just can start video information collection, and the information collected is sent to video radio sensing network local monitor node and does further process;
F) after video information collection has required, Wi-Fi video sensor can stop the collection of order ending message according to the video information collection from video radio sensing network local monitor node, recovers resting state;
G) by the combination of above various mechanism, guarantee that the energy ezpenditure of Wi-Fi video sensor reaches minimum.
2. low-power-consumption video radio sensing network architecture according to claim 1, video radio sensing network local monitor node apparatus comprises:
First acquisition device, for obtaining data flow from Wi-Fi video sensor and control flow check information;
First dispensing device, flows to Wi-Fi video sensor for sending control;
Second acquisition device, for obtaining the control flow check from the video sensing network application server being positioned at external network;
Second dispensing device, for sending information to the video sensing network application server being positioned at external network;
Security control unit, the data flow between responsible realization with Wi-Fi video sensor and the encryption and decryption functions of control flow check, ensure the fail safe of the data communication in video radio sensing network;
Sensing network administrative unit, is responsible for realizing the access control of Wi-Fi video sensor, Wi-Fi video radio sensing network topology safeguards sensing network management function;
Application interface unit, for realizing the interface between various video sensing network application server, video sensing network application server is by application interface unit and video sensing network interface;
Video processing unit, is responsible for carrying out Video coding to the video flowing from Wi-Fi video sensor;
Video storage unit, is responsible for the video information storing the collection of Wi-Fi video sensor;
Streaming Media unit, is responsible for realizing the real-time network transmission of the video information of Wi-Fi video sensor collection or the Internet Transmission to the video information be stored in video storage unit;
Task processing unit, is responsible for retrieving the video information that video storage unit is preserved according to the search request of video sensing network application server, finds satisfactory Video stream information, or generate real time video collection order;
Video acquisition control unit, be responsible for analyzing video surveillance information gathering demand, control Wi-Fi video sensor carries out video surveillance information gathering, controls startup and the termination of video acquisition.
3. low-power-consumption video radio sensing network architecture according to claim 1, the control device of low-power consumption Wi-Fi video sensor comprises:
First acquisition device, for obtaining the control information from video radio sensing network local monitor node apparatus;
First dispensing device, for sending the video flowing and wireless senser certification control information that collect to video radio sensing network local monitor node;
Security control unit, the data flow between responsible realization with video radio sensing network local monitor node and the encryption and decryption functions of control flow check, ensure the fail safe of the data communication in video radio sensing network;
Sensing network administration agent unit, is responsible for realizing Wi-Fi video sensor access authentication, Wi-Fi video radio sensing network topological dimension protective function;
Video acquisition unit, is responsible for gathering real-time video information.
4. the low-power-consumption video radio sensing network architecture according to claim arbitrary in claim 1-3, the topology of low-power-consumption video radio sensing network is set up and maintenance process, comprises following key step:
A) video radio sensing network local monitor node apparatus sends video radio sensing network access advertisement information;
B) Wi-Fi video sensor response video radio sensing network access advertisement information;
C) video radio sensing network local monitor node apparatus sends Wi-Fi video sensor authentication notification;
D) Wi-Fi video sensor certification;
E) video radio sensing network topology upgrades.
5. the low-power-consumption video radio sensing network architecture according to claim arbitrary in claim 1-3, the video monitoring information collecting flowchart of low-power-consumption video radio sensing network, comprises the following steps:
A) video radio sensing network local monitor node apparatus sends video acquisition initiation message to Wi-Fi video sensor;
B) Wi-Fi video sensor starts video information collection;
C) Wi-Fi video sensor sends the real-time video collected and flows to video radio sensing network local monitor node apparatus;
D) video radio sensing network local monitor node apparatus carries out Video coding to the monitoring video flow received;
If e) monitoring information needs real-time report, then video radio sensing network local monitor node apparatus by the video flowing real-time Transmission of having encoded to video sensing network application server;
F) video radio sensing network local monitor node apparatus preserves the monitoring video flow of having encoded;
G) video radio sensing network local monitor node apparatus sends video acquisition termination messages to Wi-Fi video sensor;
H) Wi-Fi video sensor stops video information collection.
6. the low-power-consumption video radio sensing network architecture according to claim arbitrary in claim 1-3, the video information querying flow of low-power-consumption video radio sensing network, comprises the following steps:
A) video sensing network application server sends video information querying command;
B) video radio sensing network local monitor node apparatus analysis and consult order, if then go to step c to the inquiry of monitor message in the past, otherwise goes to step d;
C) video radio sensing network local monitor node apparatus is inquired about in the video information stored, and obtains the video content needed, goes to step e);
D) video radio sensing network local monitor node apparatus sends video acquisition order to relevant Wi-Fi video sensor, log-on message collection, and obtains collection video flowing;
E) video radio sensing network local monitor node apparatus as required, and the query video of step c or steps d or video acquisition result are sent to video sensing network application server.
7. the video radio sensing network local monitor node apparatus in radio sensing network, comprises the video radio sensing network local monitor node apparatus in low-power-consumption video radio sensing network architecture according to claim 2.
8. the low-power consumption Wi-Fi video sensor equipment in radio sensing network, comprises the control device of the low-power consumption Wi-Fi video sensor in low-power-consumption video radio sensing network architecture according to claim 3.
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