Research on User Access Technologies in Satellite Communication Networks

Focusing on satellite access, this paper reviews the satellite network architecture and access methods, and discusses the key technical challenges and the latest research developments in satellite access. The paper provides a detailed analysis of the challenges involved in satellite access, including bandwidth resource limitations, signal attenuation, and dynamic network management. Furthermore, it summarizes the research progress of key technologies such as random access and multiple access, along with their applicability in different network scenarios. Finally, the paper offers an outlook on future research directions in satellite access.