Beidou RDSS (Radio Determination Satellite System) short message and inter-station measurement and data transmission system all belong to satellite retransmission channel. In order to solve the problems of difficult interference evaluation and inconsistent indicators in the retransmission channel, the anti-interference quality factors in the retransmission channel are proposed. In this paper, the problem is studied by establishing the forwarding channel model, calculating the channel parameters and analyzing the simulation results. Through the analysis of the uplink interference and the equivalent SNR (Signal-to-Noise Ratio) of the channel receiver, the calculation formula of the anti-interference quality factor in the forwarding channel is obtained, and the channel performance changes under different interference types and intensities are analyzed. It is found that when the repeater is saturated, the channel anti-interference capability will decrease sharply and the signal quality will be greatly lost. The research results of this paper can be applied to the interference evaluation of Beidou RDSS short messages, inter-station measurement and data transmission systems in China, and provide guidance and reference for anti-interference means.
Evaluation and Analysis of Anti-jamming Performance of Navigation Signal in Satellite Retransmission Channel
Lect. Notes Electrical Eng.
China Satellite Navigation Conference ; 2022 ; Beijing, China May 22, 2022 - May 25, 2022
China Satellite Navigation Conference (CSNC 2022) Proceedings ; Chapter : 16 ; 185-195
2022-05-10
11 pages
Article/Chapter (Book)
Electronic Resource
English
Satellite retransmission channel , Evaluation of jamming , Equivalent SNR , Anti-interference quality factor Engineering , Communications Engineering, Networks , Signal, Image and Speech Processing , Aerospace Technology and Astronautics , Control, Robotics, Mechatronics , Computer Applications , Geography, general
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