深空光通信技术现状及发展趋势

Status and development trends of deep space optical communication

深空通信是深空探测任务顺利进行的重要保障。以激光为载波的通信系统具有通信速率高、体积小、重量轻和功耗低等特点,已成为深空通信未来发展的主要方向。总结了深空光通信系统的发展现状和未来发展趋势,分析了深空光通信系统的组成以及关键技术。在此基础上,就未来技术发展、组网规划、标准化和生态演进、演示验证等方面,给出了我国深空光通信发展的思考和建议。

Deep space communication is an essential guarantee for the implementation of deep space explorations.Laser communication has the characteristics of high data rate,small size,light weight and low power consumption,and has become the main trend of the future development of deep space communication.In this paper,the development status and trends of deep space optical communication system are summarized,and the composition and key technologies of deep space optical communication system are analyzed.On this basis,some suggestions for the development of deep space optical communication in China are given in terms of future technology development,networking planning,standardization and ecology evolution,demonstration and verification.