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1. 中国空间技术研究院通信与导航卫星总体部,北京 100094
2. 天地一体化信息技术全国重点实验室,北京 100086
[ "陶滢(1974− ),女,博士,研究员,主要研究方向为卫星通信、天基信息网络等" ]
[ "刘伟(1994− ),男,博士,高级工程师,主要研究方向为卫星通信" ]
[ "张磊(1987− ),男,硕士,高级工程师,主要研究方向为卫星通信" ]
[ "高梓贺(1983− ),男,博士,研究员,主要研究方向为卫星通信、天基信息网络等" ]
[ "周钠(1972− ),女,硕士,研究员,主要研究方向为卫星通信等" ]
网络出版日期:2024-03,
纸质出版日期:2024-03-20
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陶滢, 刘伟, 张磊, 等. 服务天基感知业务的卫星互联网模拟验证系统设计与分析[J]. 天地一体化信息网络, 2024,5(1):48-59.
Ying TAO, Wei LIU, Lei ZHANG, et al. Design and Analysis of Satellite Internet Simulation and Verification System for Space Remote Sensing Services[J]. Space-integrated-ground information networks, 2024, 5(1): 48-59.
陶滢, 刘伟, 张磊, 等. 服务天基感知业务的卫星互联网模拟验证系统设计与分析[J]. 天地一体化信息网络, 2024,5(1):48-59. DOI: 10.11959/j.issn.2096-8930.2024006.
Ying TAO, Wei LIU, Lei ZHANG, et al. Design and Analysis of Satellite Internet Simulation and Verification System for Space Remote Sensing Services[J]. Space-integrated-ground information networks, 2024, 5(1): 48-59. DOI: 10.11959/j.issn.2096-8930.2024006.
提出具有遥感、星间星地组网、星载边缘计算功能的低轨卫星与地面云计算中心和天基、临近空间、空中、陆地、海面等各类型终端构成的卫星互联网总体架构,给出包括资源层、虚拟化层、服务层、服务管理层及应用层在内的星载边缘计算功能架构。针对星载计算能力有限、天基网络拓扑高动态等典型特征,在提出星载边缘计算模拟验证系统构建方法的基础上,设计服务天基感知业务的卫星互联网模拟验证系统,开展天基感知信息处理分发试验,并根据不同信息处理与分发方式对网络资源占用和用户服务时延的对比,分析不同能力条件下卫星互联网对天基感知业务服务的能力水平。
The architecture of satellite Internet composed of LEO satellites with remote sensing/inter-satellite and satellite-earth networking
on-board edge computing functions
and ground cloud computing centers
and various types of terminals such as sky
near space
space
ground
sea terminals was put forward.The functional architecture of on-board edge computing
included resource layer
virtualization layer
service layer
service management layer and application layer was given.On the basis of proposed the construction method of on-board edge computing simulation and verification system
a satellite Internet simulation and verification system serving space sensing services was designed
and space-based sensing information processing and distribution experiments were carried out.According to the comparison of network resource occupation and user service delay with different information processing and distribution methods
the capability level of satellite Internet for space sensing services under different capability conditions were analyzed.
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