Time-Ordered Simulation of Data Transmission Sequences in Satellite Internet Networks

Topological modeling and simulation of interactive behaviors are fundamental issues in the simulation of satellite internet. Although existing solutions can effectively simulate the satellite motion model, there are limitations in terms of the topological scale of network simulation and the functions of network simulation. To address the above problems, we designed a time-varying topology simulation and data interaction method for satellite internet. Firstly, we analyze the Two-Line Element (TLE) data of satellites to calculate the topology of each time slice, achieving the fine-grained construction of the satellite's time-varying topology. Based on the generated topology, and relying on the discrete event mechanism, we designed a scheduling mechanism for sequential simulation. By combining the construction and management methods of the executing entities, we realized the sequential simulation of the interactive behaviors of entities in the satellite internet. The effectiveness of the method proposed in this paper has been verified through real TLE datasets and a series of simulation experiments.