面向6G的超可靠低延迟通信关键技术:研究进展与展望  

Key Technologies for Ultra-Reliable and Low Latency Communications in 6G:Research Progress and Future Perspectives

作　　者：赵军辉[1,2] 任瑞星 刘聪聪 刘宇玉 ZHAO Junhui;REN Ruixing;LIU Congcong;LIU Yuyu(Beijing Jiaotong University,School of Electronic and Information Engineering,Beijing 100044,China;East China Jiaotong University,School of Information and Software Engineering,Nanchang 330013,China)

机构地区：[1]北京交通大学电子信息工程学院,北京100044 [2]华东交通大学信息与软件工程学院,江西南昌330013

出　　处：《移动通信》2024年第10期49-57,共9页Mobile Communications

基　　金：国家自然科学基金“低时延高安全物联网关键技术研究项目”(U2001213)。

摘　　要：URLLC作为5G和6G蜂窝网络的主要通信服务之一,对于支持各种新兴的关键任务应用至关重要。首先,介绍了6G的背景和URLLC的重要性,随后回顾了URLLC的基础知识、6G URLLC的应用需求及其面临的主要挑战。接着,重点讨论了6G URLLC的几项关键技术及其研究机遇,包括实现全覆盖的空天地一体化网络、高频段通信、智能计算、可重构智能表面,以及人工智能驱动的网络优化。最后,展望了未来通信感知计算一体化、元宇宙与数字孪生支持的无线网络演化及分布式框架的演进。这些技术的发展将显著提升6GURLLC的性能和可靠性,为未来新兴应用提供坚实的基础。Ultra-Reliable and Low Latency Communications(URLLC)are pivotal communication services in both fifth-generation(5G)and sixth-generation(6G)cellular networks,essential for supporting various emerging critical applications.First,the background of 6G and the significance of URLLC are introduced.Then the fundamental knowledge of URLLC is reviewed as well as the application requirements and the major challenges of 6G URLLC.Several 6G URLLC key technologies and research opportunities are mainly discussed,including space-air-ground integrated networks for global coverage,high-frequency communication,intelligent computing,reconfigurable intelligent surface,and artificial-driven network optimization.Finally,the future evolution of integrated sensing,communication,and computing is explored along with wireless networks supporting the metaverse and digital twins,and distributed frameworks.The development of these technologies is expected to significantly enhance the performance and reliability of 6G URLLC,providing a solid foundation for future emerging applications.

关 键 词：6G URLLC 空天地一体化网络 可重构智能表面 人工智能优化 通信感知计算一体化 

分 类 号：TN929.5[电子电信—通信与信息系统]