Jeongmin Seo. (2024). An Efficient Content Delivery for LEO Satellite ISL Networks with Lyapunov Optimization and Reinforcement Learning. doi: 10.22677/THESIS.200000802805
Type
Thesis
Description
Joint caching and routing, LEO satellite networks, Load balancing, Lyapunov optimization, Reinforcement Learning
Table Of Contents
Abstract i List of Contents iii List of Tables v List of Figures vi 1 Introduction 1 2 Dynamic Content-Cached Satellite Selection and Congestion-Aware Rout- ing for Power Minimization in ISL-based LEO Satellite Networks 5 2.1 Introduction 5 2.2 Related Works 8 2.3 System Model 9 2.3.1 Topology of Satellite Network 11 2.3.2 Satellite Power Consumption Model 12 2.3.3 Content Delivery Model 13 2.3.4 Satellite-Terrestrial Transmission Model 15 2.4 Problem Formulation 15 2.4.1 Lyapunov Optimization Approach 16 2.5 Joint Cache Selection and Congestion-Aware Routing (JCCR) Algorithm 19 2.5.1 Theoretical Analysis 23 2.6 Performance evaluation 24 2.6.1 Simulation setup 24 2.6.2 Simulation results 26 2.7 Conclusion 29 2.8 Appendix 30 2.8.1 Proof of Lemma 1 30 2.8.2 Proof of Theorem 2 31 3 Proactive Content Caching and Routing for Energy Minimization based on Content Popularity in LEO Satellite Networks 33 3.1 Introduction 33 3.2 System Model and Problem Formulation 35 3.3 Discussion 40 3.4 Conclusion 42 References 43