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1. 军事科学院系统工程研究院,北京100141
2. 中国电信股份有限公司卫星通信分公司,北京 100088
3. 中国电子科技集团公司第五十四研究所,河北 石家庄 050081
4. 银河航天(北京)网络技术有限公司,北京 100192
[ "何元智(1974− ),女,军事科学院系统工程研究院研究员,博士生导师,主要研究方向为卫星通信、卫星互联网" ]
[ "杨岭才(1975− ),男,中国电信股份有限公司卫星通信分公司总经理,北京邮电大学兼职教授,主要研究方向为星地网络融合架构及关键技术" ]
[ "肖永伟(1976− ),男,中国电子科技集团公司第五十四研究所高级工程师,主要研究方向为低轨卫星系统设计" ]
[ "张世杰(1979− ),男,银河航天(北京)网络技术有限公司首席科学家,北京邮电大学兼职教授,主要研究方向为卫星互联网、空间通信、卫星总体设计" ]
[ "李志强(1996− ),男,军事科学院系统工程研究院博士生,主要研究方向为卫星干扰分析" ]
[ "刘韵(1990− ),女,军事科学院系统工程研究院工程师,主要研究方向为卫星通信系统、空间信息网络" ]
网络出版日期:2024-06,
纸质出版日期:2024-06-20
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何元智, 杨岭才, 肖永伟, 等. 天地一体化新路径:手机直连卫星发展热点、挑战与关键技术[J]. 天地一体化信息网络, 2024,5(2):1-11.
Yuanzhi HE, Lingcai YANG, Yongwei XIAO, et al. New Approach of Integration Space-Ground: Hotspots, Challenges, and Key Technologies of Direct-to-Smartphone[J]. Space-integrated-ground information networks, 2024, 5(2): 1-11.
何元智, 杨岭才, 肖永伟, 等. 天地一体化新路径:手机直连卫星发展热点、挑战与关键技术[J]. 天地一体化信息网络, 2024,5(2):1-11. DOI: 10.11959/j.issn.2096-8930.2024011.
Yuanzhi HE, Lingcai YANG, Yongwei XIAO, et al. New Approach of Integration Space-Ground: Hotspots, Challenges, and Key Technologies of Direct-to-Smartphone[J]. Space-integrated-ground information networks, 2024, 5(2): 1-11. DOI: 10.11959/j.issn.2096-8930.2024011.
手机直连卫星作为未来实现天地一体化融合的一种潜在技术手段,得到了产业界和学术界的广泛关注。与传统的卫星移动通信相比,当前手机直连卫星技术存在诸多挑战。针对基于同步轨道卫星和非同步轨道卫星的两种手机直连技术路线,分析国内外发展现状、系统组成架构,并从空口侧、卫星侧、网络侧和终端侧梳理技术挑战,提出星地同步、星载超大阵面天线、星地异构网络漫游等若干解决方案,为手机直连卫星技术的发展提供技术支撑。最后对手机直连卫星的发展进行展望。
Direct-to-smartphone
as a potential technological means for achieving the integration of space and ground in the future
has received widespread attention from industry and academia.Compared with traditional satellite mobile communication
there are many challenges in the current direct-to-smartphone technology.The current development status and system architecture of two direct-to-smartphone technology routes based on synchronous orbit satellites and asynchronous orbit satellites were introduced
and the technical challenges from the air-interface side
satellite side
network side
and terminal side were summarized.Several solutions were proposed
included satellite-terrestrial synchronization
satellite-borne ultra-large array antenna
and satellite-terrestrial heterogeneous network roaming
providing technical support for the development of direct-to-smartphone technology.Finally
a brief outlook were provided.
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