Wireless sensor networking method applied to data transmission of internet of things

A wireless sensor and data transmission technology, applied in wireless communication, network topology, access restrictions, etc., can solve the problem of not guaranteeing the success rate of data information copying and receiving, and achieve strong scalability and adaptability in the number of nodes and network coverage. , Guarantee the effect of copying success rate

Active Publication Date: 2011-12-14
STATE GRID BEIJING ELECTRIC POWER
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Problems solved by technology

[0006] In the current existing technology, there is no specific networking method for wireless sensor networks with relatively fixed node positions and periodic data transmission. It is a large number of assumptions that a large number of nodes are randomly scattered at the monitoring site to design the network. method, when this networking method is applied to the data transmission field of Internet of Things applicat

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  • Wireless sensor networking method applied to data transmission of internet of things
  • Wireless sensor networking method applied to data transmission of internet of things
  • Wireless sensor networking method applied to data transmission of internet of things

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Embodiment Construction

[0032] The technical solutions of the present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0033] The wireless sensor network of the present invention is composed of a central node and several sub-nodes, which are connected to form a wireless network through a wireless medium, and collect node information and control node actions through cooperative work of nodes. The sub-node is installed at the location of the target information, responsible for collecting and transmitting information, and controlling the sensor action according to preset conditions or real-time commands. The central node is responsible for converging the information of the sub-nodes to the remote master station system or transmitting the commands of the remote master station system to the wireless transmission network where the node is located. The central node is a special node, which is similar to the sub-nodes and has an int...

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Abstract

The invention relates to a wireless sensor networking method applied to data transmission of an internet of things. In the wireless sensor networking method, firstly, a center node and child nodes in a wireless sensor network are electrified and initialized; the center node sends a networking beacon by the center node for starting to enter a networking stage; the child nodes add a PanID (Personal Area Network Identifier), a short address and an expansion address of a source node, sending a beacon frame, to a neighbor table of the child nodes, record the field intensity information of the received beacon frame, store a forwarding node in a neighbor node list, and record the field intensity of the forwarding node; then the center node collects the field intensity information of nodes in a region, plans a node route according to the collected field intensity information, and configures the child nodes; and after the center node configures the child nodes, the wireless sensor network enters a normal working stage for realizing data transmission of the internet of things.

Description

technical field [0001] The invention relates to the field of wireless sensor networks, in particular to a wireless sensor network networking method applied to the data transmission of the Internet of Things. Background technique [0002] The sensor network is a distributed intelligent network system that is composed of a large number of tiny sensor nodes with wireless communication and computing capabilities deployed in the active area through self-organization and can independently complete specified tasks according to the environment. The distance between the nodes of the sensor network is very short, and the multi-hop wireless communication method is generally used for communication. Sensor networks can operate in a stand-alone environment or be connected to the Internet through a gateway, allowing users to access them remotely. The sensor network integrates sensor technology, embedded computing technology, modern network and wireless communication technology, distribute...

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Application Information

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IPC IPC(8): H04W24/00H04W48/16H04W84/18
Inventor 曾德华钱向红胡小林王权
Owner STATE GRID BEIJING ELECTRIC POWER
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