Efficiency 3 Power-efficiency Channel allocation 2 Deep learning 2 Internet of things 2 Onboard training 2 Power control 2 Power-control 2 QoS requirements 2 Quality of service 2 Reinforcement learning 2 Resource allocation 2 Resources allocation 2 Satellite Internet of Things 2 Satellite internet 2 Satellite internet of thing 2 Satellites 2 Transfer learning 2 Various QoS 2 channel allocation 2 deep reinforcement learning 2 power control 2 transfer learning 2 various QoS 2 % reductions 1 Analytic hierarchy process 1 Brayton cycle 1 Cost functions 1 Cost-function 1 Cryogenic refrigeration 1