2022年 第8卷 第1期
《工程（英文）》 >> 2022年 第8卷 第1期 doi: 10.1016/j.eng.2021.11.003
迈向6G智简网络——基于语义通信的网络新范式
a State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing 100876, China
b Peng Cheng Laboratory, Shenzhen 518066, China
c Key Laboratory of Universal Wireless Communications, Ministry of Education, Beijing University of Posts and Telecommunications, Beijing 100876, China
d Key Laboratory of Trustworthy Distributed Computing and Service, Ministry of Education, Beijing University of Posts and Telecommunications, Beijing 100876, China
e National Engineering Laboratory for Mobile Network Technologies, Beijing University of Posts and Telecommunications, Beijing 100876, China
f School of Artificial Intelligence, Beijing University of Posts and Telecommunications, Beijing 100876, China
g The School of Electronic Engineering and Computer Science, Queen Mary University of London, London E1 4NS, UK
h College of Electronic Science and Technology, National University of Defense Technology, Changsha 410073, China
i School of Humanities, Beijing University of Posts and Telecommunications, Beijing 100876, China
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摘要
第六代（6G）移动网络将通过“以实创虚、基虚利实”新愿景实现虚实交融、世界重塑，该愿景已在我们前期工作提出的Ubiquitous-X 6G网络中进行构思并呈现。6G网络超大规模的全局性连接将给网络的运营和管理带来巨大挑战，亟待革命性的理论和技术创新。为此，本文提出了推动Ubiquitous-X 6G网络迈向“智慧演化和原生简约”，即“智简”网络（wisdom-evolutionary and primitive-concise network, WePCN）的新途径——以深入挖掘信息的语义层次内涵为主线，首先提出了全新的语义表征框架模型，即语义基（semantic base），进而构建了面向“智简”6G的“一面-三层”智能高效语义通信（intelligent and efficient semantic communication, IE-SC）网络架构。IE-SC网络架构通过语义智能平面以及基于语义基表征的语义信息流，将语义赋能的物理承载层、网络协议层和应用意图层相互连接，使网络具备更低的带宽需求、更低的冗余度、更准确的通信意图识别等能力。IE-SC网络架构赋能人工智能和通信网络技术的一体化，实现6G网络中多种通信对象间的智能信息交互。此外，本文还简要介绍了语义通信的新进展，指出了语义通信的潜在应用方向、开放性问题与挑战。
关键词
第六代（6G）移动通信 ; 语义信息 ; 语义通信 ; 智能通信
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