面向星地融合的激光通信：研究现状、关键技术与未来展望

袁仁智; 郭嘉; 姚海峰; 陈之北; 李玉钗; 孙耀华; 彭木根

doi:10.11959/j.issn.2096-8930.2024037

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面向星地融合的激光通信：研究现状、关键技术与未来展望

专题：星地融合网络与传输技术 | 更新时间：2025-01-02

- 面向星地融合的激光通信：研究现状、关键技术与未来展望
- Laser Communications for Satellite-Terrestrial Integration: Research Status, Key Technologies, and Future Prospects
- 天地一体化信息网络 2024年5卷第4期页码：34-42
- 作者机构：
  
  1.北京邮电大学网络与交换技术全国重点实验室，北京 100876
  2.北京理工大学光电学院，北京 100080
  3.空间光电技术国家地方联合工程研究中心，吉林长春 130000
- 作者简介：
  
  [ "袁仁智（1990- ），北京邮电大学研究员，主要研究方向为空天地一体化通信等。" ]
  郭嘉（2000- ），北京邮电大学硕士生，主要研究方向为光网络路由与交换技术等。
  姚海峰（1990- ），北京理工大学光电学院副教授，主要研究方向为卫星激光通信等。
  陈之北（2001- ），北京邮电大学博士生，主要研究方向为卫星激光通信等。
  李玉钗（2002- ），北京邮电大学硕士生，主要研究方向为光通信与光感知等。
  孙耀华（1992- ），北京邮电大学副教授，主要研究方向为星地融合网络和无线算力网络等。
  彭木根（1978- ），北京邮电大学教授，主要研究方向为空间信息通信、通感算一体化等。
- 基金信息：
  
  国家重点研发计划资助项目(2022YFB2902603);国家自然科学基金资助项目(62201075;62105029)
- DOI：10.11959/j.issn.2096-8930.2024037
  中图分类号： TP393
- 收稿日期：2024-07-30，
  
  修回日期：2024-10-20，
  
  纸质出版日期：2024-12-20
- 稿件说明：
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袁仁智,郭嘉,姚海峰等.面向星地融合的激光通信：研究现状、关键技术与未来展望[J].天地一体化信息网络,2024,05(04):34-42.

YUAN Renzhi,GUO Jia,YAO Haifeng,et al.Laser Communications for Satellite-Terrestrial Integration: Research Status, Key Technologies, and Future Prospects[J].Space-Integrated-Ground Information Networks,2024,05(04):34-42.
袁仁智,郭嘉,姚海峰等.面向星地融合的激光通信：研究现状、关键技术与未来展望[J].天地一体化信息网络,2024,05(04):34-42. DOI： 10.11959/j.issn.2096-8930.2024037.

YUAN Renzhi,GUO Jia,YAO Haifeng,et al.Laser Communications for Satellite-Terrestrial Integration: Research Status, Key Technologies, and Future Prospects[J].Space-Integrated-Ground Information Networks,2024,05(04):34-42. DOI： 10.11959/j.issn.2096-8930.2024037.

摘要

卫星激光通信利用波长更短的激光作为信息载体进行数据传输，能够实现比射频通信更高的传输速率；光波段的频谱资源丰富，具备比射频通信更大的带宽；此外，激光束的高度定向性和窄波束特性使激光难以被拦截和窃听。卫星激光通信凭借高速率、高带宽、高安全性以及频谱资源丰富等特点，已成为6G星地融合网络发展的重要支撑技术。总结面向星地融合的激光通信国内外研究现状，重点分析卫星激光通信瞄准捕获跟踪、调制与编码、交换与路由以及激光与射频协作等关键技术，并展望相应关键技术的未来发展方向，为我国未来研究和发展面向星地融合网络的激光通信技术提供参考。

Abstract

Satellite laser communication uses laser with shorter wavelength as the information carrier for data transmission

which can achieve a higher data transmission rate than RF communication. With an abundant spectrum resource of in optical band

the laser communication has a larger bandwidth than RF communication. Besides

because of the highly directional and narrow beam characteristics of the laser beam

it is difficult to intercept and eavesdrop the laser links. Satellite laser communication

with its characteristics of high speed

high bandwidth

high security

and abundant spectrum resources

has become an important supporting technology for the development of future 6G satellite-terrestrial integration networks. This paper summarized the current research status of laser communication for satellite-terrestrial integration both domestically and internationally

with a focus on key technologies such as satellite laser communication pointing

acquisition

and tracking

modulation and coding

switching and routing

and laser-radio frequency cooperation. The future development directions of corresponding key technologies were also discussed

provided direction reference for future research and development of laser communication technology for satellite-terrestrial integration networks in China.

关键词

Keywords

references

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