移动卫星网络中的星间链路切换保护算法

ISLs Handover Protection Algorithm for Mobile Satellite Networks

星间链路切换将严重影响卫星网络的通信性能,需要对切换链路加以保护,这方面的研究目前还很欠缺。该文针对星间链路切换的特殊性,给出了一种基于本地恢复模式的卫星网络切换保护算法,为星间链路切换提供快速恢复。仿真表明,算法不仅可有效地保证切换业务通信的连续性,还具有备份路径数目小、网络资源浪费少的优点。

The handover of inter satellite links（ISLs） may affect the performance of satellite networks violently, so the handover links must be protected. By considering the particularity of ISLs handover, a mobile satellite network local recovery hartdover protection（SLRSP） algorithm, which can make the handover links quick recovery, is proposed. Correlative simulation indicates that this novel algorithm can assure the handover service continuity. Besides, it also has fewer back path numbers and additional costs.