移动通信2024，Vol.48Issue(12)：1-8,38,9.DOI:10.3969/j.issn.1006-1010.20240903-0003
大容量长距离光子太赫兹无线传输演示
Experimental Demonstration of Large-Capacity and Long-Distance Photonics-Assisted Terahertz Wireless Communication Systems
摘要
Abstract
Terahertz communication has become a key technology for the future development of 6G due to its abundant spectrum resources.Photonics-aided technology can overcome the bandwidth limitations of electronic devices,generate flexibly adjustable terahertz signals with high carrier frequencies and wide bandwidth,and thus effectively facilitate the seamless integration of fiber-optic wired and wireless networks.The experimental setup utilizes orthogonal frequency division multiplexing(OFDM)technology,high-gain terahertz modules,including terahertz lenses and terahertz low-noise amplifiers(LNA),as well as a low-complexity nonlinear equalization algorithm.By employing MIMO multiplexing and probabilistic shaping(PS)techniques,a photonic-aided terahertz wireless transmission system achieves a transmission capacity of 253 Gbit/s over a distance of 200 m resulting in an air-interface rate-distance product of 253 Gbit/s×200 m=50.6 Gbit/s·km.Additionally,utilizing MIMO diversity and maximum ratio combining techniques,the photonic-aided terahertz wireless transmission system reaches a transmission capacity of 137 Gbit/s over a 200 m distance,achieving an SNR gain of up to 5.1 dB compared with a SISO link.关键词
光子辅助太赫兹通信/正交频分复用/MIMO复用/MIMO分集/非线性均衡Key words
photonics-aided terahertz communication/orthogonal frequency division multiplexing/MIMO multiplexing/MIMO diversity/nonlinear equalization分类
电子信息工程引用本文复制引用
丁俊杰,童伟东,朱敏,蔡沅成,华炳昌,雷明政,张教..大容量长距离光子太赫兹无线传输演示[J].移动通信,2024,48(12):1-8,38,9.基金项目
国家自然科学基金青年科学基金"面向6G的大容量长距离光载太赫兹融合通信系统研究"(62405384) （62405384）
国家自然科学基金面上项目"Tbps量级太赫兹光纤一体融合通信系统关键技术的研究"(62271135) （62271135）
国家自然科学基金青年科学基金"基于光子学的毫米波通信感知深度融合机理"(62201393) （62201393）
国家自然科学基金青年科学基金"面向6G的光子太赫兹无线通信系统研究"(62201397) （62201397）
国家重点研发项目"Tbps太赫兹光纤一体融合通信系统与关键技术"(2023YFB2905600) （2023YFB2905600）
江苏省自然科学基金面上项目"Tbps太赫兹光纤一体融合通信系统与关键技术"(BK20221194) （BK20221194）
江苏省自然科学基金青年科学基金"面向B5G的光子毫米波通信感知一体化关键技术研究"(BK20220210) （BK20220210）
