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1. 中国科学院西安光学精密机械研究所光子网络技术研究室,陕西 西安 710119
2. 中国科学院西安光学精密机械研究所瞬态光学与光子技术国家重点实验室, 陕西 西安 710119
3. 中国科学院大学,北京 100049
[ "孟佳成(1990-),男,助理研究员,主要研究方向为空间高速光通信、光网络、高速数据处理等" ]
[ "谢宁波(1995-),男,博士生,主要研究方向为基于光子集成的光交换技术" ]
[ "白兆峰(1985-),男,助理研究员,主要研究方向为空间高通量光网络、卫星激光通信等" ]
[ "朱嘉轩(1995-),男,工程师,主要研究方向为卫星激光通信、空间光交换等" ]
[ "武军霞(1987-),女,工程师,主要研究方向为卫星激光通信、空间光交换等" ]
[ "高铎瑞(1989-),男,助理研究员,主要研究方向为深空激光通信、卫星激光通信等" ]
[ "汪伟(1982-),男,研究员,主要研究方向为深空激光通信、卫星激光通信及水下无线光通信等" ]
[ "谢小平(1976-),男,研究员,主要研究方向为空间/海洋高速激光通信网络、空间激光通信和空间光交换等" ]
网络出版日期:2022-06,
纸质出版日期:2022-06-20
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孟佳成, 谢宁波, 白兆峰, 等. 面向卫星互联网的星载光交换技术[J]. 天地一体化信息网络, 2022,3(2):47-55.
Jiacheng MENG, Ningbo XIE, Zhaofeng BAI, et al. Spaceborne Optical Switching Technology for Satellite Internet[J]. Space-integrated-ground information networks, 2022, 3(2): 47-55.
孟佳成, 谢宁波, 白兆峰, 等. 面向卫星互联网的星载光交换技术[J]. 天地一体化信息网络, 2022,3(2):47-55. DOI: 10.11959/j.issn.2096-8930.2022020.
Jiacheng MENG, Ningbo XIE, Zhaofeng BAI, et al. Spaceborne Optical Switching Technology for Satellite Internet[J]. Space-integrated-ground information networks, 2022, 3(2): 47-55. DOI: 10.11959/j.issn.2096-8930.2022020.
随着卫星遥感、大数据超算中心、视频战场、6G移动通信等超高速大容量信息传输需求日益提高,以激光取代传统微波作为信息载体的卫星通信技术发展成为趋势,这也是解决微波通信带宽瓶颈和缓解频谱资源紧张的有效手段。未来需要构建全球覆盖的卫星互联网,提供地面光纤网络所不具备的能力(大覆盖率、低时延、人口稀少地区服务、无地理障碍等)。对于未来卫星节点超高速大容量信息处理来说,星载光交换技术是关键与核心。首先,介绍基于激光通信的卫星互联网发展脉络,分析面向卫星互联网的星载光交换技术的重要性,重点对星载光交换技术进行细致地分类对比、体制及信息处理模式研究,展示潜在的技术方案。然后,针对光交换核心器件特性和应用方案进行分析研究,希望为下一代卫星互联网技术研究提供借鉴与参考。
With the increasing demands for ultra-high speed and large-capacity information transmission such as satellite remote sensing
big data super computing center
video battlefield and 6G mobile communication.The satellite laser communication technology using laser instead of traditional microwave as information carrier has become development trend.It is an eff ective mean to solve the bottleneck of microwave communication bandwidth and reduce the shortage of spectrum resources.In the future
we need to build a satellite internet with global coverage
which are needed to provide the capabilities that terrestrial optical fi ber networks do not have (large coverage
low-delay
services in sparsely populated areas
no geographical obstacles
etc.).The spaceborne optical switching technology is the key and core for the ultra-high speed and large capacity information processing on satellite nodes.Firstly
the development context of satellite internet based on laser communication was introduced
the importance of spaceborne optical switching technology for satellite internet was analyzed.It focused on the detailed classifi cation and comparison
system and information processing mode of space-borne optical switching technology
and showed the potential technical scheme in the future.Then
the characteristics and application schemes of optical switching core devices were analyzed and studied to provided reference for the next generation of satellite internet technology research.
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