Research on Secure Access in Converged Satellite and Terrestrial Networks

It is well known that the future network will achieve seamless global coverage, and the convergence of satellite and terrestrial networks is the basic feature of the next generation network evolution(6G) in a complementary way that satellite network has global coverage and disaster resistance while terrestrial network has large-scale base stations and perfect coverage capability. Meanwhile, the openness of satellite wireless channels, the time variability of satellite networking, and the heterogeneity of the converged network makes the converged network face unprecedented security challenges. This paper analyzes the new security risks introduced due to the inherent converged network features, designs a promising method which is named NAKA for satellite terminal access satellite network to facilitate authentication unification, and wireless security negotiation protection process to solve the authentication and security initialization in the access process from a security perspective.