QoS Assurance Key Technologies in Space-Ground Heterogeneous Network
The high dynamics of the topology structure,the high variability of the links between space and ground,and the highly lim-ited network resource in the space-ground heterogeneous network pose significant challenges.To address these challenges,a space-ground heterogeneous joint QoS assurance scheme was proposed based on deep analysis of space-ground heterogeneous network development situation.The cross-domain network resource orchestration,construction of a space-ground QoS system,dynamic policy control of heterogeneous joint QoS,and on-demand adaptation and deployment of space-ground network resources technologies were discussed.
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