On the Road to 6G: Visions, Requirements, Key Technologies, and Testbeds

被引:543
作者
Wang, Cheng-Xiang [1 ,2 ]
You, Xiaohu [1 ,2 ]
Gao, Xiqi [1 ,2 ]
Zhu, Xiuming [1 ,2 ]
Li, Zixin [1 ,2 ]
Zhang, Chuan [1 ,2 ]
Wang, Haiming [2 ,3 ,4 ]
Huang, Yongming [1 ,2 ]
Chen, Yunfei [5 ]
Haas, Harald [6 ]
Thompson, John S. [7 ]
Larsson, Erik G. [8 ]
Di Renzo, Marco [9 ]
Tong, Wen [10 ]
Zhu, Peiying [11 ]
Shen, Xuemin [12 ]
Poor, H. Vincent [13 ]
Hanzo, Lajos [14 ]
机构
[1] Southeast Univ, Sch Informat Sci & Engn, Natl Mobile Commun Res Lab, Nanjing 210096, Peoples R China
[2] Pervas Commun Res Ctr, Purple Mt Labs, Nanjing 211111, Peoples R China
[3] Southeast Univ, Sch Informat Sci & Engn, Nanjing 210096, Peoples R China
[4] Southeast Univ, Key Lab Millimeter Waves, Nanjing 210096, Peoples R China
[5] Univ Durham, Dept Engn, Durham DH1 3LE, England
[6] Univ Strathclyde, LiFi Res & Dev Ctr, Dept Elect & Elect Engn, Glasgow G1 1XQ, Scotland
[7] Univ Edinburgh, Inst Digital Commun, Sch Engn, Edinburgh EH9 3JL, Scotland
[8] Linkoping Univ, Dept Elect Engn ISY, S-58183 Linkoping, Sweden
[9] Univ Paris Saclay, CNRS, CentraleSupelec, Lab Signaux & Syst, F-91192 Gif Sur Yvette, France
[10] HUAWEI Technol Canada Co Ltd, Wireless Adv Syst & Competency Ctr, Ottawa, ON K2K 3J1, Canada
[11] HUAWEI Technol Canada Co Ltd, Wireless Technol Lab, Ottawa, ON K2K 3J1, Canada
[12] Univ Waterloo, Dept Elect & Comp Engn, Waterloo, ON N2L 3G1, Canada
[13] Princeton Univ, Dept Elect & Comp Engn, Princeton, NJ 08544 USA
[14] Univ Southampton, Sch Elect & Comp Sci, Southampton SO17 1BJ, England
来源
IEEE COMMUNICATIONS SURVEYS AND TUTORIALS | 2023年 / 25卷 / 02期
基金
欧洲研究理事会; 欧盟地平线“2020”; 英国工程与自然科学研究理事会; 中国国家自然科学基金; 美国国家科学基金会;
关键词
6G mobile communication; 5G mobile communication; Wireless communication; Industries; Tutorials; Millimeter wave communication; Research and development; 6G vision; 6G key performance indicators (KPIs); 6G application scenarios; 6G network architecture; 6G key technologies; 6G testbeds; 6G challenges; FREE MASSIVE MIMO; RECONFIGURABLE INTELLIGENT SURFACE; ORBITAL-ANGULAR-MOMENTUM; NONORTHOGONAL MULTIPLE-ACCESS; SOFTWARE-DEFINED NETWORKING; BRAIN-COMPUTER-INTERFACE; OF-THE-ART; SATELLITE-TERRESTRIAL NETWORKS; FUTURE WIRELESS NETWORKS; PHYSICAL LAYER SECURITY;
D O I
10.1109/COMST.2023.3249835
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
Fifth generation (5G) mobile communication systems have entered the stage of commercial deployment, providing users with new services, improved user experiences as well as a host of novel opportunities to various industries. However, 5G still faces many challenges. To address these challenges, international industrial, academic, and standards organizations have commenced research on sixth generation (6G) wireless communication systems. A series of white papers and survey papers have been published, which aim to define 6G in terms of requirements, application scenarios, key technologies, etc. Although ITU-R has been working on the 6G vision and it is expected to reach a consensus on what 6G will be by mid-2023, the related global discussions are still wide open and the existing literature has identified numerous open issues. This paper first provides a comprehensive portrayal of the 6G vision, technical requirements, and application scenarios, covering the current common understanding of 6G. Then, a critical appraisal of the 6G network architecture and key technologies is presented. Furthermore, existing testbeds and advanced 6G verification platforms are detailed for the first time. In addition, future research directions and open challenges are identified to stimulate the on-going global debate. Finally, lessons learned to date concerning 6G networks are discussed.
引用
收藏
页码:905 / 974
页数:70
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