Citation: | XU F J,ZHOU X,ZHAO J S,et al. Conception and development of software-defined satellite technology[J]. Journal of Beijing University of Aeronautics and Astronautics,2023,49(7):1543-1552 (in Chinese) doi: 10.13700/j.bh.1001-5965.2021.0562 |
Focusing on the trend of massive, networked, and intelligent development of in-orbit satellites, this paper explores the background, concept, and trends of software-defined satellite technology as well as the challenges it is faced today. First, it is presented that the satellite system is evolving from platform and load-first to algorithm-first, which promotes the emergence and development of software-defined satellite technology. Then, the concept and boundary of software-defined satellite technology are proposed, with the belief that the purpose of software-defined satellite technology is not to develop a new type of satellite, but to realize the hardware resource virtualization, system software platformization and application software diversification for various intelligent satellites. Next, the main contents of software-based satellite technology are analyzed along with the challenges to this technology. Finally, the prospect for this technology is given.
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