基于联邦学习的路由策略网络的训练方法和装置

By employing a federated learning-based routing policy network training method in large-scale constellation networks, the satellite network is divided into regions and autonomously managed. The routing policy network is trained using graph neural networks and multi-agent reinforcement learning algorithms, which solves the problems of high computational and storage pressure and limited resources in constellation networks, thereby improving network performance and efficiency.

CN121509301BActive Publication Date: 2026-07-17BEIJING UNIV OF POSTS & TELECOMM

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
BEIJING UNIV OF POSTS & TELECOMM
Filing Date
2025-10-15
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

In large-scale constellation networks, dynamic routing optimization faces challenges such as excessive computational and storage pressure, limited resources, limited link bandwidth, and high dynamism, leading to low network performance and efficiency.

Method used

A federated learning-based routing policy network training method is adopted, which divides the satellite network into regions, manages the autonomous management through satellite management, trains the routing policy network using graph neural networks and multi-agent reinforcement learning algorithms, and fuses and updates network parameters by aggregating satellites to realize the generation and deployment of a global routing policy model.

Benefits of technology

It reduces the computational and storage pressure on individual nodes, adapts to the conditions of limited onboard resources, improves the routing performance and network efficiency of the entire constellation network, avoids local optima and policy conflicts, and achieves global consistency and collaborative optimization of dynamic routing decisions.

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Abstract

本发明提供一种基于联邦学习的路由策略网络的训练方法和装置,方法包括:接收所管理的第一低地球轨道卫星组发送的区域特征向量,其中,区域特征向量是第一低地球轨道卫星组中的低地球轨道卫星基于其本地部署的图神经网络和第一低地球轨道卫星组所组成的第一区域网络的图结构数据生成的;根据区域特征向量,采用多智能体强化学习算法训练本地的路由策略网络;将训练的路由策略网络的网络参数发送至预设的聚合卫星,以供聚合卫星对多个区域的管理卫星上传的网络参数进行融合,得到全局路由策略模型,并将全局路由策略模型的全局模型参数发送给多个区域的管理卫星;根据聚合卫星发送的全局模型参数,更新本地的路由策略网络的网络参数。
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