面向单粒子效应的卫星网络弹性组网及重构方法

doi:10.7527/S1000-6893.2026.32929

Abstract

Abstract:

To address the issues of satellite networks in integrated space-air-ground networks being susceptible to Single Event Effect （SEE）， which can lead to link disruptions and service degradation， SEE oriented resilient networking and reconfiguration methods for satellite networks are investigated. The aim is to enhance the survivability and service reliability of satellite networks under SEE. A collaborative resilient architecture comprising three layers of space-based， air-based， and ground-based networks is proposed， along with a resilient resource pool that includes a backup resource pool and a backup node pool. A risk awareness module is integrated to enable the satellite network to detect faulty nodes at an early stage. Based on the Walker network architecture and time slice mechanism， a routing planning algorithm with the minimum delay and risk is proposed by incorporating the path SEE failure rate and link delay as weights into the Dijkstra algorithm. Meanwhile， faults caused by SEE are classified into two levels： Level 1 reversible faults induced by Single Event Upset （SEU） and Level 2 irreversible faults caused by Single Event Burnouts （SEB）. A fault detection mechanism combining local detection， neighbor verification， and ground confirmation is established. Additionally， a local route repair algorithm and a node collaborative replacement repair algorithm are proposed， forming a hierarchical elastic reconfiguration system. STK and NS3 joint simulations based on the Iridium constellation show that the time overhead for detecting and reconfiguring faulty nodes is within the acceptable range of the system. After faulty nodes appear in the network， the proposed method can reconfigure the network in a timely manner， and the packet delivery rate for Level 1 and Level 2 fault nodes has been increased to 97.359% and 96.457%， respectively. The research results provide key technical support for the stable operation of satellite networks in high-radiation environments.

Key words: single event effect, satellite network, resilient networking, self-healing reconstruction, integration of space, sky, and earth

CLC Number:

Gongzhe QIAO, Panlong YANG, Tong YE, Shichen YAO, Daoyong FU. Resilient networking and reconfiguration method for satellite networks oriented to single event effects[J]. Acta Aeronautica et Astronautica Sinica, 2026, 47(18): 532929.

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级别	故障诱因	表现	是否可逆
1	SEU	路由规划错误，导致路由转发时延增加、涉及错误路由的链路丢包率增加、邻居节点收到异常路由报文等	是
2	SEB	核心硬件损坏，导致功能失效、心跳报文完全丢失、星地链路信号中断等	否

级别	卫星节点	邻居节点	地面站
1	路由表自查，测试包发送，校验请求发送	测试包发送，测试结果返回，故障信息上报	信息确认，启动修复
2	电流波动监测，检验请求发送	心跳包发送，测试结果返回，故障信息上报	信息确认，启动修复

Resilient networking and reconfiguration method for satellite networks oriented to single event effects

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