Abstract
In order to reduce the node positioning error and improve the stability of the system, this paper proposes and designs a new wireless sensor network node real-time positioning system based on Embedded MCU. Firstly, the characteristics of wireless sensor networks are analyzed. Secondly, in the hardware part of the system, the embedded node positioning MCU, reset circuit, debugging circuit and serial port circuit are designed to meet the node positioning requirements of the system. Finally, in the software design part, the least square algorithm is used to construct the real-time positioning function of wireless sensor network nodes, and the bat algorithm is used to solve the objective function to complete the real-time positioning of nodes. The experimental results show that all functions of the designed system operate normally, and the average error of node positioning is only 0.21.
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