太赫兹通信发展概述  

Overview of terahertz communication development

作　　者：孙东云 程雅涛 郭海琳 陈奕彤 顾子健 张朴婧 杨哲 张存林[1] SUN Dongyun;CHENG Yatao;GUO Hailin;CHEN Yitong;GU Zijian;ZHANG Pujing;YANG Zhe;ZHANG Cunlin(Key Laboratory of Terahertz Optoelectronics,Ministry of Education,Department of Physics,Capital Normal University,Beijing 100048)

机构地区：[1]首都师范大学物理系、太赫兹光电子教育部重点实验室,北京100048

出　　处：《首都师范大学学报（自然科学版）》2024年第2期3-13,共11页Journal of Capital Normal University：Natural Science Edition

基　　金：国家自然科学基金面上项目(61875140);国家自然科学青年基金项目(12104251)。

摘　　要：第6代移动通信(6G)预计在未来提供低延迟、低功耗、高容量和大规模的通信服务,太赫兹通信具有大带宽、高速率和低延迟的特点,被视为6G时代的关键技术路线。文章介绍了太赫兹通信系统信号产生技术路线、信号接收技术、信号传输特性和信道建模,并分析了超大规模多输入多输出技术、智能反射面和关键太赫兹器件等技术问题的进展与挑战。此外,还探讨了太赫兹通信在短距离超高速通信、空间通信、微尺度通信和高保密通信领域的潜在应用。尽管存在一些技术障碍,但随着研究的深入,太赫兹通信相关难题定会逐步解决,6G时代的到来预计将不再遥远。The sixth generation of mobile communications(6G)is expected to offer low-latency,lowpower,high-capacity,and large-scale communication services in the future.Terahertz communication,with its wide bandwidth,high speed,and low latency,is considered a key technological pathway for the6G era.This article details the development routes for signal generation in THz communication systems signal reception technologies,signal transmission characteristics,and channel modeling.It also analyzes the progress and challenges in technological issues such as ultra-massive multiple-in multiple-out,intelligent reflecting surfaces,and critical THz devices.Furthermore,potential applications of THz communication in areas like short-range ultra-high-speed communication,space communication,microscale communication,and high secure communication fields are explored.Although there are some technical obstacles,as research progresses,the challenges associated with terahertz communication are expected to be gradually resolved.The advent of the 6G era is also anticipated to be not far off.

关 键 词：太赫兹通信 6G 信道建模 超大规模MIMO 智能反射面 

分 类 号：TN92[电子电信—通信与信息系统] O434[电子电信—信息与通信工程]