Dissymmetric LoRa communication system and control method thereof

The embodiment of the invention provides a dissymmetric LoRa communication system and a control method thereof, and relates to the field of wireless transmission. The system comprises a master node and a slave node. The master node comprises an active crystal oscillator and a power amplifier. The active crystal oscillator and the power amplifier are respectively coupled with the master node, and the master node establishes wireless communication connection with the slave node; the power amplifier is used for improving transmitting power of the master node; the active crystal oscillator is used for improving clock stability of the master node and improving receiving sensitivity of the master node. Compared with a conventional LoRa communication system, the system can improve a communication distance. 本发明实施例提供的种非对称LoRa通信系统及其控制方法，涉及无线传输领域，该系统包括主节点以及从节点。所述主节点包括有源晶振以及功率放大器。所述有源晶振以及所述功率放大器分别与所述主节点耦合，所述主节点与所述从节点建立无线通信连接；所述功率放大器，用于提高所述主节点的发射功率；所述有源晶振，用于增大所述主节点的时钟稳定性，提高所述主节点的接收灵敏度。与传统的LoRa通信系统而言，该系统可以提高通信距离。