2030+ 2030+ 2030+ 2030+ 2020 1 1. 6G . 3 1.1 . 3 1.2 . 3 1.3 OT DOICT . 4 2. . 5 2.1 . 5 2.2 . 6 3. 2030+ . 7 3.1 . 8 3.2 . 9 3.3 . 10 3.4 . 11 3.5 . 12 3.6 . 14 3.7 . 15 3.8 . 17 4. . 18 4.1 6G . 18 2030+ 2020 2 4.2 2030+ . 19 . 21 . 22 2030+ 2020 3 1. 6G 1.1 1948 1 5G 2030 6G 6G 6G , 1.2 IT 2.5G IT 2G IT IP 3G 4G IP 2030+ 2020 4 IPv6 IP IT IT 5G 5G IT IT 4G SBA IT HTTP/2 NWDAF(Network Data Analytics Function) 5G 6G Tbps Gbps 1000km/h 1.3 OT DOICT OT Operation Technology OT CT 6G DICT DOICT(Data Operation Information Communication Technology) 6G DOICT 2030+ 2020 5 6G 6G 1 DOICT 2. 2.1 2019 841 20 4G 5G 2030+ 2020 6 IP 2 2 2.2 21 20 1986 2030+ 2020 7 1G 2G 1G 5G 3 20212025 2 6G AI 6G 6G DT OT IT 3. 2030+ 2030+ 2019 2030+ 2030+ 2020 8 3.1 5G 6G 5G 6G 2019 6G 6G 3 6G 100Gbps-1Tbps 5G 10 0.1 4 6G 6G 6G 2030+ 2020 9 3.2 6G 5G 6G 6G 6G Small Cloud Unit SCU 5 6G 6G 2030+ 2020 10 3.3 6G 6 6G 6G 6G DOICT 6G 2030+ 2020 11 3.4 6G 6G 6G DTN Digital Twin Network 6G 6G 7 6G 2030+ 2020 12 7 6G DOICT 3.5 SDN Software Defined Networks 2030+ 2020 13 8 8 1) 6G 2) 3) 2030+ 2020 14 3.6 ICT OT TSN Time Sensitive Networking DetNet Deterministic Networking DIP Deterministic IP 1 TSN 2 DetNet TSN TSN TSN TSN 3 DIP 1 2 QoS(Quality of Service) QoS 3 2030+ 2020 15 (4) 9 6G 6G 6G 6G 6G IP 3.7 6G 2030+ 2020 16 10 6G 10 2030+ 2020 17 6G 3.8 6G 6G 11 6G 2030+ 2020 18 4. 4.1 6G 6G 12 12 6G AI 6G 2030+ 2020 19 4.2 2030+ 1 6G 6G 6G 2 5G 6G 6G 3 6G 4 6G 6G 6G 5 6G 2030+ 2020 20 6G 2025 6G AI Artificial Intelligence CT Communication Technology DetNet Deterministic Networking DIP Deterministic IP DOICT Data Operation Information Communication Technology GPRS General packet radio service IP Internet Protocol IT Information Technology OT Operation Technology QoS Quality of Service SCU Small Cloud Unit SDN Software Defined Network TSN Time Sensitive Networking 1 . M , 2015. 2 . J 2012(10):4-8 3 Behnaam A. et al. Key drivers and research challenges for 6G ubiquitous wireless intelligence (white paper), 6G Wireless Summit,2019. 4 , , , . Ubiquitous-X: 6G J. : , 2020, v.50(06):139-156. 5 B. Zong, C. Fan, X. Wang, X. Duan, B. Wang, and J. Wang, “6G Technologies: Key Drivers, Core Requirements, System Architectures, and Enabling Technologies,” IEEE Veh. Technol. Mag., vol. 14, no. 3, pp. 1827, 2019. 6 E. C. Strinati, S. Barbarossa, J. L. Gonzalez-Jimenez, D. Ktnas, N. Cassiau, and C. Dehos, “6G: The Next Frontier,” pp. 116, 2019. 7 F. Tariq et al. A Speculative Study on 6GJ. IEEE Wireless Communications, 2020, 27(4):118-125. 8 W. Saad, M. Bennis, and M. Chen, “A Vision of 6G Wireless Systems: Applications, Trends, Technologies, and Open Research Problems,” 2019. 9 Per Enge. Satellite Navigation: Present and FutureJ. URSI Radio Science Bulletin, 2012, 2012 (341): 5-9. 10 , , . J. , 2015(03):5-12. 11 CISCO. The Internet of Things: How the Next Evolution of the Internet is Changing Everything. White PaperR. 2011. 12 Ahokangas P, Yrjola S, Matinmikko-Blue M, et al. Antecedents of Future 6G Mobile EcosystemsC/ 2020 2nd 6G Wireless Summit (6G SUMMIT). 2020. 13 Aazhang B, Ahokangas P, Alves H , et al. Key drivers and research challenges for 6G ubiquitous wireless intelligence (white paper)M. 2019. 14 G. Charbit, D. Lin, K. Medles, L. Li and I. Fu, Space-Terrestrial Radio Network Integration for IoT, 2020 2nd 6G Wireless Summit (6G SUMMIT), Levi, Finland, 2020, pp. 1-5, doi: 10.1109/6GSUMMIT49458.2020.9083854. 15 S. Wang, T. Sun, H. Yang, X. Duan and L. Lu, 6G Network: Towards a Distributed and Autonomous System, 2020 2nd 6G Wireless Summit (6G SUMMIT), Levi, Finland, 2020, pp. 1-5. 16 Grieves M. Digital twin: Manufacturing excellence through virtual factory replication. White paper, 2014; Available: . 17 , , , . 6G J. , 2020,44(6): 3-9. 18 6G 2020,26 3 61-70. 19 B5G/6G Mobile Communications, 2020,44(6),90-95. 20 Shafin R, Liu L, Chandrasekhar V, et al. Artificial intelligence-enabled cellular networks: A critical path to beyond-5G and 6GJ. IEEE Trans. Wireless Commun.,2020,27(2):212-217. 21 2030+ 2019. 22 5G 5 , 2014. 23 S. Han, T. Xie, C.-L. I, L. Chai, Z. Liu, Y. Yuan, and C. Cui, “Artificial Intelligence Enabled Air Interface for 6G: Solutions, Challenges, and Standardization Impacts,” IEEE Communications Magazine, vol.58, no.10, pp.73-79, Oct. 2020