Driven by increasingly frequent and diversified world trade, it is of great significance to realize real-time wide-coverage monitoring of shipping containers, as well as low-latency and low-energy transmission. Under the background of supporting and developing the application of low-orbit satellite Internet of Things (IoT) business, this paper considers installing wireless sensors on the side of shipping containers and monitoring the data and status of shipping containers in real time through low-orbit satellites. This paper designs three algorithms: The LoRa underlying adaptive transmission optimization algorithm including the initial allocation of the underlying transmission and the adaptive spread spectrum factor fairness optimization strategy, the Internet of Things terminal self-organizing network networking algorithm based on the Low Energy Adaptive Clustering Hierarchy(LEACH) protocol to improve the cluster head election strategy, and Internet of Things terminal self-organizing network routing algorithm using Bellman-Ford to achieve minimum cost routing selection. In the set simulation environment, the average coverage rate of the traditional LEACH protocol clustering is 0.8274, while the improved algorithm reaches 0.9701. The simulation results show that the proposed scheme is superior to the existing traditional mechanism, and can effectively realize the Internet of Things terminal self-organizing network with dynamic topology, wide coverage and high data volume transmission.
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