Satellite-Ground Integrated Network Architecture and Key Enabling Technologies for 6G

Abstract

Faced with the requirement of coverage extensions in 6G network, this paper first analyzes the research status of international standardization organizations and related alliances on 6G technology and satellite-ground integrated network. Then, a satellite-ground integrated network architecture is proposed, which is divided into physical domain and logical domain. In the physical domain, the integration of multi-orbit space-based network and ground-based network is considered to meet the user's demand for casual access under the constraints of platform resources. In the logical domain, the separation of the user plane, control plane, management plane, and orchestration plane is considered to support the modular and iterative evolution of the network architecture. Finally, the key enabling technologies are discussed, hoping to provide useful reference for the development of satellite-ground integrated network in 6G.