Near-field communications:characteristics,technologies,and engineering

作     者：Yajun ZHAO Linglong DAI Jianhua ZHANG Ran JI Mengnan JIAN Hao XUE Hongkang YU Yunqi SUN Yu LU Zidong WU Zhuo XU Jinke LI Haiyang MIAO Zhiqiang YUAN Pan TANG Jiayu SHEN Tierui GONG Haixia LIU Jiaqi HAN Qiang FENG Zhi CHEN Lingxiang LI Gang YANG Yong ZENG Cunhua PAN Wang LIU Kangda ZHI Weidong HU Yuanwei LIU Xidong MU Chau YUEN Mérouane DEBBAH Chongwen HUANG Long LI Ping ZHANG Yajun ZHAO;Linglong DAI;Jianhua ZHANG;Ran JI;Mengnan JIAN;Hao XUE;Hongkang YU;Yunqi SUN;Yu LU;Zidong WU;Zhuo XU;Jinke LI;Haiyang MIAO;Zhiqiang YUAN;Pan TANG;Jiayu SHEN;Tierui GONG;Haixia LIU;Jiaqi HAN;Qiang FENG;Zhi CHEN;Lingxiang LI;Gang YANG;Yong ZENG;Cunhua PAN;Wang LIU;Kangda ZHI;Weidong HU;Yuanwei LIU;Xidong MU;Chau YUEN;Mérouane DEBBAH;Chongwen HUANG;Long LI;Ping ZHANG

作者机构：State Key Laboratory of Mobile Network and Mobile Multimedia TechnologyShenzhen 518055China ZTE CorporationBeijing 100192China Department of Electronic EngineeringTsinghua UniversityBeijing 100084China State Key Laboratory of Networking and Switching TechnologyBeijing University of Posts and TelecommunicationsBeijing 100876China College of Information Science and Electronic EngineeringZhejiang UniversityHangzhou 310007China Key Laboratory of High Speed Circuit Design and EMC of Ministry of EducationSchool of Electronic EngineeringXidian UniversityXi’an 710071China Collaborative Innovation Center of Information Sensing and UnderstandingXidian UniversityXi’an 710071China National Key Laboratory of Wireless CommunicationsUniversity of Electronic Science and Technology of ChinaChengdu 611731China National Mobile Communications Research LaboratorySoutheast UniversityNanjing 210096China Purple Mountain LaboratoriesNanjing 211111China School of Electrical Engineering and Computer ScienceTechnical University of BerlinBerlin 10623Germany School of Integrated Circuits and ElectronicsBeijing Institute of TechnologyBeijing 100081China Department of Electrical and Electronic EngineeringThe University of Hong KongHong KongChina Centre for Wireless Innovation(CWI)School of ElectronicsElectrical Engineering and Computer ScienceQueen’s University BelfastBelfast BT39DTUK School of Electrical and Electronic EngineeringNanyang Technological UniversitySingapore 639798Singapore KU 6G Research CenterKhalifa University of Science and TechnologyAbu DhabiUnited Arab Emirates 

出 版 物：《Frontiers of Information Technology & Electronic Engineering》 (信息与电子工程前沿(英文版))

年 卷 期：2024年第25卷第12期

页      面：1580-1626页

核心收录：

学科分类：080904[工学-电磁场与微波技术] 0810[工学-信息与通信工程] 0809[工学-电子科学与技术（可授工学、理学学位）] 08[工学] 080402[工学-测试计量技术及仪器] 0804[工学-仪器科学与技术] 081001[工学-通信与信息系统] 

基　　金：Project supported by the Natural Science Foundation of Hunan Province,China(No.2022JJ40561) the Scientific Research Program of National University of Defense Technology,China(No.ZK22-46) the National Natural Science Foundation of China(Nos.61890542,62001481,and 62071475) 

主　　题：6G Near-field technology Channel model Codebook Non-diffractive beams Orbital angular momentum Engineering and standardization 

摘      要：Near-field technology is increasingly recognized due to its transformative potential in communication systems,establishing it as a critical enabler for sixth-generation(6G)telecommunication *** paper presents a comprehensive survey of recent advancements in near-field technology ***,we explore the near-field propagation fundamentals by detailing definitions,transmission characteristics,and performance ***,we investigate various near-field channel models—deterministic,stochastic,and electromagnetic information theory based models,and review the latest progress in near-field channel testing,highlighting practical performance and *** evolving channel models,traditional mechanisms such as channel estimation,beamtraining,and codebook design require redesign and optimization to align with near-field propagation *** then introduce innovative beam designs enabled by near-field technologies,focusing on non-diffractive beams(such as Bessel and Airy)and orbital angular momentum(OAM)beams,addressing both hardware architectures and signal processing frameworks,showcasing their revolutionary potential in near-field communication ***,we highlight progress in both engineering and standardization,covering the primary 6G spectrum allocation,enabling technologies for near-field propagation,and network deployment ***,we conclude by identifying promising future research directions for near-field technology development that could significantly impact system *** comprehensive review provides a detailed understanding of the current state and potential of near-field technologies.