Modeling and Simulation of Digital Satellite Broadcasting System Based on Ka-band

By studying the statistical characteristics and modeling method of the synchronous satellite communication channel at Ka-band and the rainfall influence on the performance of the system,this paper constructs a simulation platform of the digital satellite broadcasting system based on DVB-S standard which works at Ka-band.BER of the system in different climate conditions is simulated and analyzed on the platform,and the results show that the black cloud climate has the worst influence on the performance of the system.The system increases the performance by 9 dB compared with the system without channel coding.