Contents:– Satellite Communications with 5G, B5G, and 6G; A Performance Evaluation Platform for Mega Satellite Constellation Network; Communication Subsystems for Satellite Design; Multi-Layered Satellite Communications Systems for Ultra-High Availability and Resilience; Design of Intelligent and Open Avionics System Onboard; Capacity Analysis and Optimization of Satellite MIMO System; System Designs of Microsatellites; The COMMStellationTM Satellite Constellation for Broadband Communication System Model in NS-2; A Blockchain-Based Authentication Protocol Using Cryptocurrency Technology in LEO Satellite Networks; Future Satellite System Architectures and Practical Design Issues; Ultra-High Capacity Optical Satellite Communication System Using PDM-256-QAM and Optical Angular Momentum Beams