Research on Rain Attenuation Based on Power Compensation

Ka band satellite communication system has a great communication capacity, but when used, rainfall attenuation becomes one of the important reasons affecting the communication quality, so it is necessary to study the rainfall attenuation characteristics of this frequency band. And effective rain attenuation compensation method is an important way to solve the problem of rainfall attenuation and improve the quality of satellite communication. Mainly through the study of Ka band rain attenuation power control compensation method, focusing on the control of uplink line output power of the APC system to study the realization of the control of rainfall attenuation caused by the satellite communication quality impact has a certain significance. Simulation tests have shown that by using the Crane rainfall model, there is a certain regularity between the system's rain attenuation value and compensation algorithm, which can effectively improve the power compensation efficiency of the system and ensure communication between both parties.