Dianxin kexue (Mar 2024)
Research on 5G wide-area Internet of things information transmission method based on mobile piggyback
Abstract
To solve the network access problem of low data rate and delay-insensitive services in remote areas, a wide-area Internet of things (IoT) information transmission method based on mobile piggyback was proposed. Mobile carriers were used to provide senseless access support for IoT devices and expand network coverage. In areas without base station signal coverage, the mobile carrier established a connection with the sensor, obtained sensor data and stored it. When 5G access conditions were met, the sensing information was offloaded to achieve information access to the network. A data caching strategy based on cost function was proposed to improve the efficiency of information piggybacking. The coverage performance of the mobile piggyback scheme was analyzed and a hardware implementation scheme based on LoRa was designed. Simulation results show that the wide-area IoT information transmission method based on mobile piggyback can improve the efficiency of IoT information piggyback, and expand the coverage area of 5G network by 4.98 times. Field tests verify the effectiveness of the proposed method, and mobile piggyback nodes can achieve communication coverage with a radius of 4 km.
