摘要
面对第6代移动通信(6G)网络立体覆盖的互联感知需求和无线设备广泛接入造成的频谱稀缺问题,基于无人机(UAV)的机动性和智能反射面(IRS)重构无线传播环境特性的多维扩展通感一体化可实现立体网络空间中通信和感知功能的相互协同,有效提升频谱效率和硬件资源的利用率,满足6G万物智联的无线网络愿景。该文针对6G多维扩展通感一体化网络架构展开综述。首先,概述了6G网络愿景和通感一体化的理论基础,并讨论基于UAV和IRS多维扩展通感一体化的应用场景、发展趋势和性能指标。然后,探讨了超大规模多输入多输出天线、太赫兹、无线携能通信、人工智能、隐蔽通信和有源反射面等6G关键前沿技术在基于无人机和智能反射面多维扩展通感一体化网络中的潜在应用。最后,展望了未来6G多维扩展通感一体化的发展方向及关键技术挑战。
Facing the demand for interconnectivity sensing of three-dimensional coverage for the sixth-Generation mobile communication(6G)networks and the spectrum scarcity issue caused by the widespread access of wireless devices,the multi-dimensional expanded Integrated Sensing and Communication(ISAC),based on Unmanned Aerial Vehicles(UAV)and Intelligent Reflecting Surfaces(IRS),is capable of achieving synergistic communication and sensing functions in the three-dimensional network space.This can effectively enhance spectrum efficiency,hardware resource utilization,and align with the wireless network vision of 6G Internet of Everything.This paper provides an overview of the architecture for the 6G multi-dimensional expanded ISAC.Firstly,it summarizes the theoretical foundations of the 6G network vision and ISAC networks,and the application scenarios,development trends,and performance indicators of multi-dimensional expanded ISAC based on UAV and IRS are discussed.Then,it investigates the potential applications of 6G key technologies,such as ultra-massive multiple-input and multiple-output antenna,terahertz,simultaneous wireless information and power transfer,artificial intelligence,covert communication,and active IRS,in multi-dimensional expanded ISAC networks based on UAV and IRS.Finally,the future development direction and key technical challenges of 6G multi-dimensional expanded ISAC sre prospected.
作者
徐金雷
赵俊湦
卢华兵
蒋旭
赵楠
XU Jinlei;ZHAO Junsheng;LU Huabing;JIANG Xu;ZHAO Nan(School of Information and Communication Engineering,Dalian University of Technology,Dalian 116024,China;China Association of Communications Enterprises,Beijing 100846,China;School of Information Science and Engineering,Harbin Institute of Technology at Weihai,Weihai 264209,China)
出处
《电子与信息学报》
EI
CAS
CSCD
北大核心
2024年第5期1672-1683,共12页
Journal of Electronics & Information Technology
基金
国家重点研发计划(2020YFB1807002)
国家自然科学基金(62371087,62101091)
辽宁省应用基础研究计划(2023TH2/101300197)。
关键词
第6代移动通信
无人机
智能反射面
多维扩展
通感一体化
The 6th-Generation wireless systems(6G)
Unmanned Aerial Vehicle(UAV)
Intelligent Reflecting Surface(IRS)
Multi-dimension expand
Integrated Sensing and Communication(ISAC)
