Satellite Terrestrial Networks: Technologies, Security and Applications

This Reprint collects state-of-the-art contributions on Satellite Terrestrial Networks, presenting the latest advances in architectures, enabling technologies, and applications. With the rapid deployment of low-Earth-orbit constellations and the growing demand for seamless integration with terrestrial infrastructures, the research community is addressing complex challenges such as spectrum coexistence, interference coordination, routing in dynamic topologies, and secure access. The articles in this collection explore intelligent scheduling, beam management, and resource optimization, while also highlighting innovations in physical-layer security, edge computing, and cloud-native design. By combining theoretical insights with practical evaluation, the Reprint provides a comprehensive view of how emerging technologies can deliver global coverage, resilient connectivity, and scalable services. It is intended as a valuable reference for both academic researchers and industry practitioners seeking to advance the design and deployment of future satellite-terrestrial communication systems.