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宏伟蓝图: LEO上的5G

  • Unifying 5G and NTN
  • Direct to Cell Space Networking

准备尝试深入 5G+LEO 领域的探索, 这里列一些准备工作:

前人之述备矣: NTN + 5G 背景知识

(1) 综述性质: 对整个领域的背景与学习路线形成框架性认知

Non-Terrestrial Networks in the 6G Era: Challenges and Opportunities

  • 核心:
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6G Integrated Non-Terrestrial Networks: Emerging Technologies and Challenges

  • 核心:
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ISTN Toward 6G: Architectures, Applications, and Challenges

  • 核心:
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Space-Air-Ground Integrated Network: A Survey

  • 核心:
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Integration of Satellites in 5G through LEO Constellations

  • 核心:
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Framework for Unifying 5G and Next Generation Satellite Communications

  • 核心:
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Implementation of Virtualised Network Functions (VNFs) for Broadband Satellite Networks

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A Virtual PEP for Web Optimization over a Satellite-Terrestrial Backhaul

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From Earth to Space: A First Deployment of 5G Core Network on Satellite

  • 核心: RAN 和 CoreNet 都上天, 给出 (天+地) x (RAN+Core) 架构范式
  • 评价: 很好! 注意和SpaceX-D2C对比, 这里是RAN和5GC都上星, SpaceX那个只有RAN上天

Enabling 6G and Beyond Network Functions From Space: Challenges and Opportunities

  • 核心: HopByHop+Stateful不行! 我们要: Sat无状态路由, 提供UE按需服务
  • 评价: 很好的综述, 建议和 SIGCOMM22 SpaceCore 结合来看

(2) 论文性质: NTN++ -> D2C

SpaceCore: A case for stateless mobile core network functions in space

  • 出处: SIGCOMM'22
  • 核心:
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MOSAIC: Democratizing Direct-to-Cell Low Earth Orbit Satellite Networks

  • 出处: NSDI'24 Best Paper
  • 核心:
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SatOver: The Dark Side of Scale: Insecurity of Direct-to-Cell Satellite Mega-Constellations

  • 出处: S&P'24
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\(SN^2\): Direct-to-Cell Satellite Network without Satellite Navigation

  • 出处: SIGCOMM'25
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站在巨人的肩膀上: 现有的模拟器/仿真系统

(1) 5G 移动网络框架

(2) 3GPP NTN protocol stack

(3) LEO Emulator/Simulator

(4) 小工具