6G无线通信物理层关键技术

Key technologies in physical layer of 6G wireless communications

业界预计在2030年前后商用6G技术。与5G技术相比,6G将在流量密度、连接数密度和能量效率等多个性能指标方面大幅度提升。为满足2030年及以后的垂直行业的个性化、多样化需求,6G将采用诸多新技术,如新型网络架构、新物理层无线传输技术以及新的安全可持续性技术。从6G物理层潜在关键技术入手,重点介绍了太赫兹(THz)、超大规模多输入多输出(MIMO)、智能反射面(IRS)及物理层安全等技术。此外,还概括地介绍了6G潜在关键技术挑战,希望为未来6G物理层相关研究提供一定的参考。

6G technologies are expected to be deployed commercially around 2030.It is expected that 6G will pro-vide performance superior to 5G in the key performance indicators,such as traffic density,connection density,and energy efficiency.In order to meet the personalized and diversified requirements of vertical industries in 2030 and beyond,6G will adopt many new technologies,such as new network architecture,new physical layer wireless trans-mission technologies,and new security sustainability technologies.Starting from the potential key technologies in physical layer of 6G,terahertz(THz),ultra-large-scale multiple-input multiple-output(MIMO),intelligent reflecting sur-face(IRS),and physical security were introduced mainly.In addition,the challenges of potential key technologies of 6G were briefly introduced,which were expected to provide some reference for future 6G physical layer-related research.