一文看懂核心网！震有科技让卫星互联网从“可用”迈向“好用”

Core Network Overview - The core network serves as the "central control system" of mobile communication networks, managing user authentication, service processing, data forwarding, and network connectivity [1] - It addresses fundamental questions regarding user identity and data management within the network [1] Importance of Core Network in Satellite Communication - The core network is essential for satellite communication, facilitating user management, data forwarding, and network connectivity, similar to its role in terrestrial networks [3][4] - It must tackle additional technical challenges due to the dynamic nature of satellites and the extreme conditions of space [3] Integration of Satellite and Terrestrial Networks - The core network enables seamless integration of satellite networks into existing communication systems, avoiding the need for separate accounts and management for satellite communication [4][5] - Users can maintain the same SIM card, phone number, and billing account while switching between terrestrial and satellite networks [5] Protocol Compatibility and Global Communication - The core network addresses multi-network protocol compatibility, ensuring efficient data flow between satellite networks and terrestrial 4G/5G networks [7] - It supports global communication by managing regulatory compliance and roaming across different countries and regions [7] Components of the Core Network - The core network consists of a 5G core network, IMS core network, operational support systems, and a cloud platform, providing unified operational capabilities for multi-track satellite communication [7][8] - The 5G core network manages user access, session management, authentication, and data processing, while the IMS core network handles voice, video, and messaging services [7] Addressing Latency in Satellite Communication - The onboard core network enhances inter-satellite communication by providing network-level capabilities, allowing data to be routed optimally through multiple satellites without returning to the ground [9][10] - This capability reduces latency and improves the overall user experience for high-demand applications like video and real-time communication [9] Large-Scale Operation of Satellite Internet - The core network is crucial for managing user access, billing, and resource allocation as satellite internet scales from thousands to millions of users [11] - It prevents network fragmentation and ensures stable service quality through centralized management and distributed deployment [12] Future of Core Network in Satellite Internet - The core network is evolving towards a model that emphasizes collaboration between space and ground systems, incorporating AI and big data for intelligent network management [16] - As the satellite internet user base is projected to grow significantly, the ability to manage core network capabilities will determine the operational and commercial success of satellite communication [16]