6G Wireless Communications: Security Technologies and Research Challenges

By analyzing the expectations and requirements of the intelligent information society in 2030, it becomes clear that what technologies would be demanded in 6G wireless network, especially for security. As promising security technologies, Artificial Intelligence, Quantum Computing and Communications, and Blockchain are deliberately provided and discussed, and these technologies certainly have the ability to enhance the security for 6G. In addition, two research challenges are presented, and the problems and corresponding research directions of them are provided.