极轨星座拓扑快照分析与仿真

Analysis and Simulation for Topology Snapshot of Polar Orbit Constellation

在低轨卫星通信系统中,极轨星座由于具备相对规则的拓扑结构,易于管理得到广泛的应用。对极轨星座拓扑快照的深入分析有助于确立低轨卫星通信系统的静态路由管理方案。在针对极轨星座系统进行拓扑快照的理论分析后建立仿真模型进行验证,得到极轨星座的快照时间片分布与极区门限的关系,并给出极区门限设置策略,解决极轨星座的拓扑时间片管理问题,从而为路由管理奠定基础同时为信息对抗方向中以LEO卫星通信系统为目标对象,提供路由攻击的重要参考。

In LEO satellite communication system,the polar satellite constellation has relatively regular topological structure.Its topology structure is simple and easy to manage,so it is widely used.The analysis of topology snapshot based on static routing algorithm is helpful to simplify LEO constellation routing management scheme.The topological theory of the snapshot of polar orbit satellite constellation system is analyzed and the simulation model is established for verification.The relationship between the snapshot number and duration of the snapshot and the polar threshold is obtained under the specified orbit inclination angle.The polar threshold setting strategy is given to solve the time slit management problem of the polar orbit constellation.It is the basis of routing management and is important reference for the research of information warfare for routing attack of LEO satellite communication system.