Design of LoRa Communication Protocol for Image Transmission

With the expansion of IoT application scenarios, the demand for edge IoT devices with integrated video analysis capabilities is gradually increasing. In remote areas where cellular base stations cannot reach, a low-cost wireless communication self-organizing network is urgently needed to transmit video processing results and images. LoRa has strong anti-interference performance and relatively high transmission rate, which is suitable for completing delay-tolerant information transmission. However, the traditional LoRaWAN protocol has low efficiency in image transmission. This paper proposes a multi-packet transmission communication protocol based on LoRa, which reduces the time for traditional communication protocol confirmation and processing, and focuses more on the image transmission of LoRa. Experimental results show that the multi-packet transmission protocol achieves relatively high communication efficiency.