Wireless sensor node and node-level/network-level energy-saving algorithm thereof

Abstract

The invention discloses a wireless sensor node and a node-level / network-level energy-saving algorithm thereof. The wireless sensor node comprises a controller, a program downloading circuit of the controller, wireless transceiver modules which are connected with corresponding interfaces of the controller and the program downloading circuit of the controller, a power supply circuit, an interface circuit which is connected with an upper computer, and a temperature sensor. The node-level energy-saving algorithm is implemented by self-adaptation of the transmitting power of the wireless sensor node. The network-level energy-saving algorithm is implemented by automatically switching network routing communication modes. By adoption of an energy-saving policy provided by the invention, two problems of energy waste (node-level energy waste and network-level energy waste) are solved at the same time, the energy consumption of a wireless sensor network is reduced in two ways, and the operating time of the wireless sensor node is effectively prolonged.

Description

technical field [0001] The invention relates to a communication energy-saving strategy and the design of a corresponding circuit, in particular to a wireless sensor node and its node-level / network-level energy-saving algorithm. Background technique [0002] At present, wireless sensor networks have been widely used in many aspects of production and life. Its miniaturization, intelligence and integration characteristics make wireless sensor technology widely used in environmental monitoring, including industrial production, agricultural production and natural environment monitoring. Environmental monitoring. However, when the network is getting bigger and bigger, and the period we need to monitor is getting longer and longer, the development of this technology has encountered a bottleneck - energy consumption. In the wireless sensor networks that are currently put into use, in order to ensure the reliability of communication, wireless sensor nodes always send data with the m...

AI Technical Summary

Problems solved by technology

However, when the network is getting bigger and bigger, and the period we need to monitor is getting longer and longer, the development of this technology has encountered a bottleneck - energy consumption

In the wireless sensor networks that are currently put into use, in order to ensure the reliability of communication, wireless sensor nodes always send data with the maximum transmission power, which leads to energy waste for nodes that are closer to the data collection point (node-level energy waste ), and the networking communication mode of the entire network cannot be changed after the networking is completed, which also leads to the fact that when the network changes, the networking communication mode cannot dynamically adapt to this change (network-level energy waste)

There is currently no single strategy that addresses both of these energy wasting problems

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