【摘要】 针对天地一体化信息网络的建设需求,分别对星载信道化交换技术和分组交换技术的关键问题与研究现状进行分析。其中,信道化交换的分析包括柔性数字信道化和微波光子变频交换,分组交换则以软件定义卫星网络为代表进行探讨。然后,针对空间组网与交换的未来研究方向,从系统容量、可靠性、管控效能、服务质量的角度,对星载交换技术的发展趋势与挑战进行展望,为天地一体化信息网络的长期规划提供参考。更多还原

【Abstract】 Considering the requirements of the space-integrated-ground information network, the technologies of on-board channelized switching and the technologies of on-board packet switching were surveyed. Among, the discussed channelized switching technologies include flexible digital channelized switching and microwave photonic frequency conversion and switching, while the discussed packet switching technologies mainly include software-defined satellite network. Considering the future research directions of space networking and switching, the trends of on-board switching were discussed in terms of system capacity, reliability, efficiency, and quality of service, which provided a reference for the long-term planning of the space-integrated-ground information network.更多还原