The article proposes a comprehensive design and optimization scheme for unmanned satellite links.It reviews the existing theories of unmanned satellite link design,and elaborates the key steps of unmanned satellite link design,including the selection of modulation method,coding and bandwidth allocation,etc.The results show that the optimized link performance is significantly improved while the energy efficiency is improved.In the part of link optimization,several optimization strategies are discussed.The experimental results show that the performance and energy efficiency of the optimized unmanned satellite communication link have been significantly improved,which can provide strong technical support for future unmanned aerial vehicles and satellite communication systems.
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