Creating secure communication channel with LoRa technology

This article addresses secure information transmission using LoRa technology in peer-to-peer mode, without relying on LoRaWAN. Such communication is vital in areas lacking centralized network infrastructure, such as rural, remote, emergency, or combat situations, where confidential data must be exchanged over several kilometers. The study explores methods for secure data transmission with LoRa devices, focusing on improving efficiency by optimizing encoding for higher data rates within limited byte sizes. Measurements of the maximum transmission rate and longest successful distance have been provided. A message-type-based encoding method has been proposed to optimize data transmission between the sender and receiver under limited channel bandwidth conditions.