Towards 6G wireless communication networks: vision, enabling technologies, and new paradigm shifts

被引：956

作者：

You, Xiaohu ^{[1
,2
]}

Wang, Cheng-Xiang ^{[1
,2
]}

Huang, Jie ^{[1
,2
]}

Gao, Xiqi ^{[1
,2
]}

Zhang, Zaichen ^{[1
,2
]}

Wang, Mao ^{[1
,2
]}

Huang, Yongming ^{[1
,2
]}

Zhang, Chuan ^{[1
,2
]}

Jiang, Yanxiang ^{[1
,2
]}

Wang, Jiaheng ^{[1
,2
]}

Zhu, Min ^{[1
,2
]}

Sheng, Bin ^{[1
,2
]}

Wang, Dongming ^{[1
,2
]}

Pan, Zhiwen ^{[1
,2
]}

Zhu, Pengcheng ^{[1
,2
]}

Yang, Yang ^{[3
,4
]}

Liu, Zening ^{[3
]}

Zhang, Ping ^{[5
]}

Tao, Xiaofeng ^{[6
]}

Li, Shaoqian ^{[7
]}

Chen, Zhi ^{[7
]}

Ma, Xinying ^{[7
]}

I, Chih-Lin ^{[8
]}

Han, Shuangfeng ^{[8
]}

Li, Ke ^{[8
]}

Pan, Chengkang ^{[8
]}

Zheng, Zhimin ^{[8
]}

Hanzo, Lajos ^{[9
]}

Shen, Xuemin ^{[10
]}

Guo, Yingjie Jay ^{[11
]}

Ding, Zhiguo ^{[12
]}

Haas, Harald ^{[13
]}

Tong, Wen ^{[14
]}

Zhu, Peiying ^{[14
]}

Yang, Ganghua ^{[15
]}

Wang, Jun ^{[16
]}

Larsson, Erik G. ^{[17
]}

Hien Quoc Ngo ^{[18
]}

Hong, Wei ^{[2
,19
]}

Wang, Haiming ^{[2
,19
]}

Hou, Debin ^{[2
,19
]}

Chen, Jixin ^{[2
,19
]}

Chen, Zhe ^{[2
,19
]}

Hao, Zhangcheng ^{[2
,19
]}

Li, Geoffrey Ye ^{[20
]}

Tafazolli, Rahim ^{[21
]}

Gao, Yue ^{[21
]}

Poor, H. Vincent ^{[22
]}

Fettweis, Gerhard P. ^{[23
]}

Liang, Ying-Chang ^{[24
]}

机构：

[1] Southeast Univ, Natl Mobile Commun Res Lab, Sch Informat Sci & Engn, Nanjing 210096, Peoples R China

[2] Purple Mt Labs, Nanjing 211111, Peoples R China

[3] ShanghaiTech Univ, Shanghai Inst Fog Comp Technol SHIFT, Shanghai 201210, Peoples R China

[4] Peng Cheng Lab, Res Ctr Network Commun, Shenzhen 518000, Peoples R China

[5] Beijing Univ Posts & Telecommun, State Key Lab Networking & Switching Technol, Beijing 100876, Peoples R China

[6] Beijing Univ Posts & Telecommun, Natl Engn Lab Mobile Network Technol, Beijing 100876, Peoples R China

[7] Univ Elect Sci & Technol China UESTC, Natl Key Lab Sci & Technol Commun, Chengdu 611731, Peoples R China

[8] China Mobile Res Inst, Beijing 100053, Peoples R China

[9] Univ Southampton, Sch Elect & Comp Sci, Southampton SO17 1BJ, Hants, England

[10] Univ Waterloo, Dept Elect & Comp Engn, Waterloo, ON N2L 3G1, Canada

[11] Univ Technol Sydney, Global Big Data Technol Ctr GBDTC, Sydney, NSW 2007, Australia

[12] Univ Manchester, Sch Elect & Elect Engn, Manchester M13 9PL, Lancs, England

[13] Univ Edinburgh, LiFi Res & Dev Ctr, Sch Engn, Inst Digital Commun, Edinburgh EH9 3JL, Midlothian, Scotland

[14] Huawei Technol Canada Co Ltd, Ottawa, ON K2K 3J1, Canada

[15] Huawei Technol, Shanghai 201206, Peoples R China

[16] Huawei Technol, Hangzhou 310007, Peoples R China

[17] Linkoping Univ, Dept Elect Engn ISY, S-58183 Linkoping, Sweden

[18] Queens Univ Belfast, Inst Elect Commun & Informat Technol ECIT, Belfast BT3 9DT, Antrim, North Ireland

[19] Southeast Univ, Sch Informat Sci & Engn, State Key Lab Millimeter Waves, Nanjing 210096, Peoples R China

[20] Georgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30332 USA

[21] Univ Surrey, 5G Innovat Ctr, Guildford GU2 7XH, Surrey, England

[22] Princeton Univ, Princeton, NJ 08544 USA

[23] Tech Univ Dresden, Vodafone Chair Mobile Commun Syst, D-01069 Dresden, Germany

[24] Univ Elect Sci & Technol China UESTC, Ctr Intelligent Networking & Commun CINC, Chengdu 611731, Peoples R China

来源：

SCIENCE CHINA-INFORMATION SCIENCES | 2021年 / 64卷 / 01期

基金：

英国工程与自然科学研究理事会; 中国国家自然科学基金;

关键词：

6G; vision; network architecture; air interface and transmission technologies; space-air-ground-sea integrated network; all spectra; artificial intelligence; network security; FREE MASSIVE MIMO; OF-THE-ART; NONORTHOGONAL MULTIPLE-ACCESS; PHYSICAL-LAYER SECURITY; EDGE COMPUTING SYSTEMS; BIG DATA ANALYTICS; ULTRA-BROAD-BAND; ARTIFICIAL-INTELLIGENCE; CHANNEL MEASUREMENTS; PERFORMANCE ANALYSIS;

D O I：

10.1007/s11432-020-2955-6

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

The fifth generation (5G) wireless communication networks are being deployed worldwide from 2020 and more capabilities are in the process of being standardized, such as mass connectivity, ultra-reliability, and guaranteed low latency. However, 5G will not meet all requirements of the future in 2030 and beyond, and sixth generation (6G) wireless communication networks are expected to provide global coverage, enhanced spectral/energy/cost efficiency, better intelligence level and security, etc. To meet these requirements, 6G networks will rely on new enabling technologies, i.e., air interface and transmission technologies and novel network architecture, such as waveform design, multiple access, channel coding schemes, multi-antenna technologies, network slicing, cell-free architecture, and cloud/fog/edge computing. Our vision on 6G is that it will have four new paradigm shifts. First, to satisfy the requirement of global coverage, 6G will not be limited to terrestrial communication networks, which will need to be complemented with non-terrestrial networks such as satellite and unmanned aerial vehicle (UAV) communication networks, thus achieving a space-air-ground-sea integrated communication network. Second, all spectra will be fully explored to further increase data rates and connection density, including the sub-6 GHz, millimeter wave (mmWave), terahertz (THz), and optical frequency bands. Third, facing the big datasets generated by the use of extremely heterogeneous networks, diverse communication scenarios, large numbers of antennas, wide bandwidths, and new service requirements, 6G networks will enable a new range of smart applications with the aid of artificial intelligence (AI) and big data technologies. Fourth, network security will have to be strengthened when developing 6G networks. This article provides a comprehensive survey of recent advances and future trends in these four aspects. Clearly, 6G with additional technical requirements beyond those of 5G will enable faster and further communications to the extent that the boundary between physical and cyber worlds disappears.

引用

页数：74

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