Dynamic routing implementation method used in environmental monitoring internet of things (IOT)

A technology of environmental monitoring and implementation method, applied in the information field, can solve the problems that the system is easily disturbed by external environmental factors, the working environment of the environmental monitoring system is complex, etc., and achieve the effect of optimizing the routing establishment process

Inactive Publication Date: 2014-05-21
深圳市腾兴智联科技有限公司
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The actual working environment of the environmental monitoring system is relatively complex, and the system is easily disturbed by external environmental factors. Therefore, it is necessary to establish a dynamic routing method, which can quickly access the existing network, and can quickly connect to the existing network when the known route is damaged. create new route

Method used

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  • Dynamic routing implementation method used in environmental monitoring internet of things (IOT)
  • Dynamic routing implementation method used in environmental monitoring internet of things (IOT)
  • Dynamic routing implementation method used in environmental monitoring internet of things (IOT)

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Embodiment Construction

[0040] based on the following Figure 1 ~ Figure 4 , specifically explain the preferred embodiment of the present invention.

[0041] like figure 1 As shown, a kind of dynamic routing implementation method for environmental monitoring Internet of Things provided by the present invention comprises the following steps:

[0042] Step 1. The sending source node prepares to send data, and calls the routing layer sending interface;

[0043] Step 2. The node searches the routing information in the routing table to obtain the optimal next-hop node. If the next-hop node is found, proceed to step 3. If the next-hop node is not found, proceed to step 7;

[0044] like figure 2 As shown, it is a schematic diagram of the content of the routing table of each node. The routing table includes: the neighbor node number, the parent node (down-hop node) of the neighbor node, the communication quality (RSSI) of the neighbor node, and the number of hops from the neighbor node to the gateway (h...

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Abstract

The invention provides a dynamic routing implementation method used in an environmental monitoring internet of things (IOT). The method comprises: when a data node needs to send environmental monitoring data, the node tries to search a routing table of the node and sends the data; and in case of null route or sending failure, the data node initiates a route request for searching an environmental monitoring gateway so as to establish the route which best fits the requirements and select a next-hop node, and then the node tries to send the monitoring data. In the dynamic routing implementation method, backward compensation is carried out on the on-demand routes, i.e., the nodes which obtain the routes are required to intermittently broadcast routing information to surrounding nodes, and then the nodes which receive the information actively update the routing tables of the nodes in environmental monitoring so that relay nodes which do not need to actively send the data can more quickly and passively joint a network and the speed of the other nodes for joining the network can be accelerated. Therefore, by adopting the dynamic routing implementation method, the environmental monitoring data can be completely sent to the environmental monitoring gateway node by fully utilizing the on-demand routes, the route establishment process is optimized, and quick network self-organization of the nodes is realized.

Description

technical field [0001] The invention relates to the field of information technology, in particular to a method for implementing dynamic routing for the environment monitoring Internet of Things. Background technique [0002] With the continuous development of the world's industrialization, environmental issues have attracted more and more attention. Many man-made environmental pollution incidents such as oil spills and cyanobacteria in Taihu Lake occur from time to time, so an environmental monitoring IoT system is urgently needed to replace the existing environmental monitoring system. [0003] The new environmental monitoring Internet of Things system uses node wireless ad hoc network technology to collect the required environmental information, and combines it with Internet technology, so that the collected data can be stored, screened, and analyzed, and finally an accurate regional environment can be obtained parameters, providing a scientific basis for environmental pr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/701H04L12/703H04L45/28
Inventor 李煜华李英姿周明海
Owner 深圳市腾兴智联科技有限公司
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