Low-power consumption wireless networking system

Abstract

The invention, which belongs to the fields of the internet of thins technology, the sensor technology, and the wireless communication and information acquisition technology, especially relates to a low-power consumption wireless networking system. According to an MIMO system, a channel gain matrix structure is used to obtain signal channels independent to each other, thereby realizing space multiplexing and increasing the channel capacity; and an array gain and a diversity gain are also obtained by using the antenna array space distance, thereby coping with wireless channel fading, enhancing wireless link reliability, and reducing the communication energy loss of a sending terminal. Therefore, compared with the SISO technology, the MIMO technology has the following beneficial effects: a high channel transmitting rate can be obtained under the circumstances that the energy consumption and the error rate are identical; and the communication power can be substantially reduced under the circumstances that the load and the error rate are fixed.

Description

Technical field [0001] The invention belongs to the technical fields of Internet of Things technology, sensor technology, wireless communication and information acquisition, and particularly relates to a low-power wireless networking system. Background technique [0002] The wireless sensor network node is the bottom core of the application function of the wireless sensor network. It is the undertaker of task management, data collection, power management and other functions. When sensors are used in dangerous industrial environments such as mines, nuclear power plants and other dangerous and complex working environments, the power supply of wireless sensor nodes comes from their own batteries. In order to extend the working time of wireless sensor networks and reduce the replacement of wireless sensors The number of nodes reduces the risk of work, so the life cycle length of wireless sensor nodes must be extended. However, the application of traditional wireless communication te...

AI Technical Summary

Problems solved by technology

However, the application of traditional wireless communication technology is too complicated, requires a lot of resources and consumes a lot of power. Here, a design scheme of a low-power wireless networking system is proposed, which is based on the cluster structure of wireless sensor networks. Hierarchical protocol - LEACH (Low-Energy Adaptive Clustering Hierarchy) networking protocol embeds multi-hop routing and MIMO technology into the LEACH protocol for cross-layer design, which greatly reduces energy consumption in the networking process

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