基于天基极简核心网的星地协同组网架构、技术及试验

Architecture,technologies and experiment of satellite-terrestrial network based on space-based simplified core network

面向未来网络泛在覆盖的愿景,卫星互联网与地面移动通信网络深度融合协同组网是构建空天地一体化通信系统,实现用户随时随地接入的必经技术道路。首先介绍了空天地一体化网络的现状和发展趋势,然后介绍了星地协同组网架构及天基极简核心网设计方案,并讨论了星地协同组网关键技术。最后,针对所提组网架构方案进行了相关试验验证,并探讨了后续研究计划和未来发展。

Facing the future vision of ubiquitous network coverage,the deep integration and cooperative networking between satellite and terrestrial mobile communication network is a necessary technical path to build a space-airground integrated network,which can support access at anytime and anywhere.Firstly,current situation and development trend of space-air-ground integrated network were introduced.Then,the network architecture of satelliteterrestrial network and the design of space-based simplified core network were discussed,as well as the key technologies of satellite-terrestrial network.Finally,the proposed network architecture was verified by relevant experiments.and the follow-up research plan and outlook for future directions were discussed.