Compatibility evaluation and technical analysis of C-band broadcasting satellite receiving stations against 5G base station

Botao Zhao; Fan Yang

doi:10.1117/12.2641336

4 August 2022 Compatibility evaluation and technical analysis of C-band broadcasting satellite receiving stations against 5G base station

Botao Zhao, Fan Yang

Author Affiliations +

Proceedings Volume 12306, Second International Conference on Digital Signal and Computer Communications (DSCC 2022); 123060O (2022) https://doi.org/10.1117/12.2641336
Event: Second International Conference on Digital Signal and Computer Communications (DSCC 2022), 2022, Changchun, China

Abstract

With the rapid deployment of 5G base stations across the country, there is a phenomenon that C-band (3.7 ~ 4.2ghz) radio and television satellite receiving stations are interfered by 5G signals in many places in China. How to formulate effective protective measures suitable for the whole country against 5G interference is a new challenge faced by the radio and television industry. This thesis studies the interference coupling principle of 5G signal to the satellite receiving front end, analyzes and demonstrates the interference factors, constructs the calculation model of the worst interference scenario in theory, calculates and analyzes the suppression indexes required for different geographical locations in the north, South, West and east of Gansu Province, and obtains that the C-band filter with the suppression degree not lower than the theoretical calculation value is used in the actual project, so as to provide the basis for the industry to effectively protect 5G interference.

Citation Download Citation

Botao Zhao and Fan Yang "Compatibility evaluation and technical analysis of C-band broadcasting satellite receiving stations against 5G base station", Proc. SPIE 12306, Second International Conference on Digital Signal and Computer Communications (DSCC 2022), 123060O (4 August 2022); https://doi.org/10.1117/12.2641336

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