With the rapid development of the global satellite Internet industry,the mobile phone direct link satellite has become a competitive highland for major enterprises at home and abroad.This paper introduces the current development status of the mobile phone direct link satellite communication technology for emerging commercial companies abroad.The evolution of 3GPP NTN standard is analyzed,and the direct-connected satellite technology of existing mobile phones and dual-mode terminal technology are described.The future development suggestions of China's mobile direct link satellite are discussed.
关键词
手机直连卫星/3GPP/NTN/存量手机/发展建议
Key words
mobile phone direct satellite/3GPP NTN/stock mobile phones/development suggestions
维普
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