Research on Digital Twin Technology for Future 6G

With advancement in digitalization and simulation technology, digital twin (DT) technology has emerged as a focal point of research in various industries. In response to the demands for high-quality and efficient wireless communication, it is crucial to conduct an in-depth study of core aspects and key technologies of digital twin technology. This will facilitate a better understanding and exploration of the future development direction of related digital simulation technology within the communication field. This paper provides a systematic summary and analysis of the concept of digital twins, their key technologies, and the current research landscape. Additionally, it explores the research and application fields, as well as the development prospects of digital twin technology in communications. The paper also examines diverse applications of digital twin technology in future 6th generation (6G) networks, including an end-to-end digital twin network architecture framework for non-terrestrial networks (NTNs) in the context of 6G. Finally, it discusses the challenges and opportunities for the widespread implementation of digital twins in future wireless communication networks.