Abstract
An integrated high-speed data injection and emergency measurement and control system is produced in this paper, which is based on forward link of relay satellite. In this system, the relay high-speed forward link is used as the satellite-to-ground transmission channel. The satellite receive the data and record it in the storage module. The data will be transmitted to each device through intra-satellite bus network according to the need of use. Through this system, the high-speed data injection on the ground can be completed, the injection efficiency can be greatly improved, and the requirements of functional maintenance and new additions can be quickly responded. And the ability of backing up TT&C upstream is acquired. When the multiple faults of transponder and remote control module can not be recovered, satellites can still carry out emergency TT&C for satellite through relay forward channel, which improves the survivability of satellite in fault state.
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Mu, Q., Shi, H., Ma, J., Chen, M. (2020). Integrated Design of High Speed Uplink and Emergency Telemetry and Control for LEO Satellite. In: Liang, Q., Wang, W., Liu, X., Na, Z., Jia, M., Zhang, B. (eds) Communications, Signal Processing, and Systems. CSPS 2019. Lecture Notes in Electrical Engineering, vol 571. Springer, Singapore. https://doi.org/10.1007/978-981-13-9409-6_97
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DOI: https://doi.org/10.1007/978-981-13-9409-6_97
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