Network Topology Construction Method for Wireless Sensor Networks

Abstract

A network topology construction method of a wireless sensor network, which includes the following steps: according to the number of types of sensing terminals in the wireless sensor network, setting the same number of cluster head types. The cluster heads are assigned to different monitoring areas according to the scope of the monitoring area. The cluster head periodically obtains the sensing information in the corresponding monitoring area, and judges whether a new sensing terminal appears in the corresponding monitoring area. After the new sensing terminal determines to join the cluster managed by the cluster head, it sends a response message to the cluster head. The cluster head requests the central management unit to add new sensing terminals to the wireless sensor network. The central management unit adds new sensing terminals to the wireless sensor network. The cluster head notifies the new sensing terminal that it has joined the cluster where the cluster head is located and has joined the wireless sensor network. After obtaining the notification information, the new sensing terminal sends confirmation information. The invention can dynamically manage the sensing terminal, and build a stable and efficient network topology structure.

Description

technical field [0001] The invention relates to the communication technology of the Internet of Things, in particular to a network topology construction method of a wireless sensor network. Background technique [0002] The Internet of Things mainly solves the problem of connection between things and things, and between things and people. Compared with the interconnection between people on the Internet, the Internet of Things also incorporates items into the online world. Items are intelligent bodies that can perceive and be perceived. This makes the Internet of Things a network with a larger scale and more complex functions. Therefore, there must be various topology and coordination problems in the Internet of Things. [0003] When the Internet of Things incorporates objects into the network, it mainly relies on RFID technology, wireless sensor network (WSN) technology, intelligent embedded technology, etc. Their common feature is a large scale, but at the same time there a...

AI Technical Summary

Problems solved by technology

[0005] The Internet of Things is committed to realizing the intelligence of things. Many of its applications are tasks with high data transmission rates, frequent communications, and even distributed computing, such as data collection, environmental monitoring, and target positioning. Due to the limitations of the Internet of Things itself , if a single node is allowed to complete data collection, transmission and calculation, its task will be very heavy

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