Applications of GNSS Satellite Communications in Aviation, Space, and UAV Systems
1. Introduction: The Role of GNSS in Modern Navigation The Global Navigation Satellite System (GNSS) is a collective term for satellite-based positioning systems, including GPS (United States), GLONASS (Russia), Galileo (European Union), and BeiDou (China). These systems provide precise positioning, navigation, and timing (PNT) services worldwide. With continuous advancements in [...]