Reliability analysis of TUSAT satellite communication payload

A communication satellite consists of subsystems which are functioning together to form a whole system. All subsystems consist of thousands of components and there is no possibility of repair once the satellite launched into orbit. Therefore, the necessity of high reliability becomes a rule rather than an exception. TUSAT (Turkish National Communication Satellite) is planned to have both C and Ku band payloads operating in geostationary orbit. This paper presents the reliability analysis of its payload as support to the overall satellite level system design. The paper includes payload redundancy schemes and reliability budgets based on the main subsystem assumptions.