Ms. Zhili Zhang Profile

Zhili Zhang

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Proceedings Article | 7 May 2024 Paper

Research and implementation of TT&C terminal based on TT-1 satellite system

Tao Wang, Zhi Piao, Zhili Zhang, Xiangyu Lu, Xiaoxiong Zhang, Mohan Zhang

Proceedings Volume 13161, 131610D (2024) https://doi.org/10.1117/12.3026096

KEYWORDS: Satellite communications, Data transmission, Antennas, Signal processing

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In recent years, with the rapid development of satellite communication system technology, various countries and organizations are paying more and more attention to the field of low earth orbit (LEO) satellite communication, such as Star Link products. This paper presents a scheme of TT&C equipment based on TT-1 satellite to meet the data transmission requirements of explosively enhanced LEO satellites. By calculating the orbit ephemeris and receiving the satellite broadcast signal to implement terminal manage and compensate for the Doppler frequency offset, simplifying and optimizing the protocol to achieve fast access to the network and beam handover, using anti-irradiation technology to prevent single event upset, the key technology of TT&C terminal is researched and realized. Compared with the traditional TT&C method, the TT&C technology prototype proposed in this paper has the characteristics of low construction cost, continuous data transmission, and long service time, which can well serve the booming LEO satellite industry in the future.

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