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中国联合网络通信有限公司研究院,北京 100076
[ "刘会(1981- ),女,中国联合网络通信有限公司研究院工程师,主要从事卫星互联网技术研究、5G终端标准研究以及技术验证等工作。" ]
[ "叶阳(1988- ),男,中国联合网络通信有限公司研究院高级工程师,主要从事5G终端测试技术及标准研究、卫星互联网技术研究工作。" ]
[ "丁志东(1989- ),男,中国联合网络通信有限公司研究院工程师,主要从事5G终端标准和新技术研究、卫星互联网技术研究工作。" ]
[ "刘湘华(1988- ),男,中国联合网络通信有限公司工程师,主要从事智能终端、智能卡、卫星互联网等方向的技术研究工作。" ]
[ "朱子园(1994- ),女,中国联合网络通信有限公司工程师,主要从事5G+/6G终端关键技术标准研究及新技术验证工作。" ]
[ "周晶(1983- ),女,中国联合网络通信有限公司高级工程师,主要从事5G/6G技术、天地一体、泛在终端、融合创新业务及战略新兴产业研究工作。" ]
收稿日期:2024-03-15,
修回日期:2024-04-15,
纸质出版日期:2024-04-20
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刘会,叶阳,丁志东等.星地融合下的手机直连关键技术研究[J].电信科学,2024,40(04):10-17.
LIU Hui,YE Yang,DING Zhidong,et al.Research on key technologies of direct-to-handset under satellite-terrestrial integrated network[J].Telecommunications Science,2024,40(04):10-17.
刘会,叶阳,丁志东等.星地融合下的手机直连关键技术研究[J].电信科学,2024,40(04):10-17. DOI: 10.11959/j.issn.1000-0801.2024099.
LIU Hui,YE Yang,DING Zhidong,et al.Research on key technologies of direct-to-handset under satellite-terrestrial integrated network[J].Telecommunications Science,2024,40(04):10-17. DOI: 10.11959/j.issn.1000-0801.2024099.
当前,大众用户和行业用户对星地融合通信的需求不断演进,以实现无缝覆盖与随时随地接入,集成卫星和地面通信能力将是未来手机终端的发展方向。首先介绍了手机直连的应用场景、国内外发展路径和相关技术方案;其次,针对3GPP NTN标准化技术方案,分析了实现手机直连的组网架构和空口关键技术方案,并探讨了卫星通信场景下多模终端在天线能力、语音能力及节能方面的需求及潜在改进方案;最后阐述了手机直连频谱资源及挑战,为星地融合手机直连终端通信设计提供参考。
Nowadays
the demand of consumers and industrial users for satellite-terrestrial integrated communications is evolving to achieve seamless coverage and anytime
anywhere access
and the integration of satellite and terrestrial communication capabilities will be the development direction of future mobile phones. The application scenarios for direct-to-handset connectivity
domestic and international development paths
and related technical solutions were introduced. Subsequently
the network architecture and key technology for realizing direct-to-handset connectivity with respect to the 3GPP NTN standard scheme were analyzed. The requirements and potential improvement schemes for multi-mode terminals in satellite communication scenarios in terms of integrated design
antenna capabilities
voice capabilities and power saving
were also identified. Finally
by exploring the key regulatory challenges (e.g. radio-frequency spectrum) related to direct-to-handset communications
feasible pathways for the future development of satellite-terrestrial integrated terminals were provided.
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