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基于深度強化學(xué)習的低軌衛星網(wǎng)絡(luò )算力路由研究
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中國電子科技集團公司 第54研究所

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TN927

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Deep Reinforcement Learning-based Computing Power Routing for Low-Orbit Satellite Networks
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    摘要:

    面向未來(lái)低軌衛星計算、網(wǎng)絡(luò )等資源聯(lián)合調度與優(yōu)化需求,提出一種基于深度強化學(xué)習的低軌算力路由方案,能夠解決低軌衛星網(wǎng)絡(luò )多維資源協(xié)同效率低、利用率低下的問(wèn)題。基于算網(wǎng)編排控制器的算力路由協(xié)議流程,建立了時(shí)延最優(yōu)的算力調度優(yōu)化模型,設計并實(shí)現了一種基于DQN的低軌算力路由智能算法,將低軌衛星算力路由尋址建模為馬爾可夫決策過(guò)程,定義了包含業(yè)務(wù)、拓撲、算力等特征的狀態(tài)空間和與時(shí)延最優(yōu)相關(guān)的獎勵函數。經(jīng)過(guò)模型訓練和仿真分析,收斂后的智能算法與基準算法相比,能夠顯著(zhù)提高計算資源和網(wǎng)絡(luò )資源的綜合利用效率,降低任務(wù)處理所需時(shí)間,優(yōu)化用戶(hù)體驗。

    Abstract:

    Aiming at the future demand for joint scheduling and optimization of computing and networking re-sources in low Earth orbit (LEO) satellite systems, a deep reinforcement learning-based LEO computing power routing scheme is proposed to address the low efficiency and utilization of multi-dimensional re-source collaboration in LEO satellite networks. Based on the computing power routing protocol of a computing and networking orchestration controller, an optimal delay model for computing power sched-uling is established. Additionally, an intelligent algorithm for LEO computing power routing based on Deep Q-Network is developed and implemented. This algorithm models the LEO satellite computing power routing addressing as a Markov decision process, defining a state space that includes features such as business, topology, and computing power, as well as a reward function related to optimal delay. After model training and simulation analysis, the converged intelligent algorithm significantly improves the comprehensive utilization efficiency of computing and networking resources compared to benchmark al-gorithms, reduces the time required for task processing, and optimizes user experience.

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  • 收稿日期:2024-12-10
  • 最后修改日期:2024-12-22
  • 錄用日期:2024-12-23
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