摘要
近年来,随着无人机的快速发展,对无人机通信的稳定性和可靠性要求越来越高。文章设计了无人机自适应双频通信系统,采用主控芯片STM32控制E19-433M30S和E28-2G4M20S两个不同频段的模组通信,根据误帧率、RSSI值以及传输距离自适应切换两路通信并且自适应切换FSK、LoRa、GFSK调制方式,充分利用了2.4GHz和433MHz两个频段的优势以及LoRa技术,提高无人机通信的传输速率、最远传输距离和可靠性。
In recent years, with the rapid development of UAVs, the requirements for the stability and reliability of UAV communication have become higher and higher. The article designs an adaptive dual-frequency communication system for UAVs, and uses the main control chip STM32 to control E19-The 433 M30 S and E28-2 G4 M20 S modules communicate with two different frequency bands. According to the frame error rate, RSSI value and transmission distance, the two communication channels are adaptively switched, and the FSK, LoRa, and GFSK modulation methods are adaptively switched, making full use of 2.4 GHz and 433 MHz. The advantages of this frequency band and LoRa technology improve the transmission rate, the longest transmission distance and reliability of UAV communication.
作者
梁曼玉
胡静
宋铁成
王艺蓉
黄陈兰子
Liang Manyu;Hu Jing;Song Tiecheng;Wang Yirong;Huang Chenlanzi(School of Information Science and Engineering,Southeast University,Nanjing 210096,China)
出处
《信息化研究》
2021年第2期74-78,共5页
INFORMATIZATION RESEARCH
