Space-ground integrated fusion network, paging method and core network

Abstract

The invention discloses a space-ground integrated fusion network, which comprises a core network and communication satellites. The space-ground integrated fusion network comprises the core network and the plurality of communication satellites, wherein the core network performs routing selection on a set formed by a first communication satellite group and a second communication satellite group, and the plurality of communication satellites determined by the routing selection initiate paging to a satellite terminal, the first communication satellite group and the second communication satellite group respectively comprise at least one communication satellite, an elevation angle of the communication satellite in the first communication satellite group relative to the core network is maximum, and an elevation angle of the communication satellite in the second communication satellite group relative to the satellite terminal is maximum. According to the space-ground integrated fusion network, the reliability of all available communication satellites is considered globally, on one hand, the advantages of acquiring the shortest topological path and the like of a routing selection algorithm can be played, and the properties of channel bandwidth, average communication traffic, communication overhead, queue length, propagation delay and the like of routing can be improved. The space-ground integrated fusion network is widely applied to the technical field of satellite communication.

Description

Technical field [0001] The present invention relates to satellite communication technology, and in particular an earth integrated converged network, and core network paging method. Background technique [0002] Currently experiencing technical concept "6G = 5G + satellite network", that is, to achieve 6G network through a mobile satellite network and 5G mobile networks, the technical idea is to take advantage of mobile LEO satellite networks compensate for the lack 5G and other mobile networks, such as let mobile communication signal coverage the air, oceans, forests, deserts and other sparsely populated areas, to achieve a truly global communication. However, the mobile satellite network are also some shortcomings column, such as the communication distance, the power density, multiple antenna deployment, which makes a satellite mobile communications have a more limited network, satellite communication spectrum efficiency is much lower than the cellular mobile communication syste...

AI Technical Summary

Problems solved by technology

In the existing paging technology, only the path length of the local connection between the core network, communication satellites, and satellite terminals is considered, and the reliability of the path is not considered globally, so problems such as high delay and even communication terminals are prone to occur

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