20 February 2018 Simulation platform of LEO satellite communication system based on OPNET
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Abstract
For the purpose of verifying communication protocol in the low earth orbit (LEO) satellite communication system, an Optimized Network Engineering Tool (OPNET) based simulation platform is built. Using the three-layer modeling mechanism, the network model, the node model and the process model of the satellite communication system are built respectively from top to bottom, and the protocol will be implemented by finite state machine and Proto-C language. According to satellite orbit parameters, orbit files are generated via Satellite Tool Kit (STK) and imported into OPNET, and the satellite nodes move along their orbits. The simulation platform adopts time-slot-driven mode, divides simulation time into continuous time slots, and allocates slot number for each time slot. A resource allocation strategy is simulated on this platform, and the simulation results such as resource utilization rate, system throughput and packet delay are analyzed, which indicate that this simulation platform has outstanding versatility.
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Yu Zhang, Yu Zhang, Yong Zhang, Yong Zhang, Xiaozhuo Li, Xiaozhuo Li, Chuqiao Wang, Chuqiao Wang, Haihao Li, Haihao Li, } "Simulation platform of LEO satellite communication system based on OPNET", Proc. SPIE 10697, Fourth Seminar on Novel Optoelectronic Detection Technology and Application, 106975C (20 February 2018); doi: 10.1117/12.2307315; https://doi.org/10.1117/12.2307315
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