(Peer-Reviewed) High-speed and large-capacity visible light communication for 6G: advances and perspectives
Nan Chi ¹ ² ³, Zhilan Lu ¹, Fujie Li ¹, Haoyu Zhang ¹, Yunkai Wang ¹, Xinyi Liu ¹, Zhiwu Chen ¹, Zhe Feng ¹, Zhuoran Hu ¹, Zhixue He ⁴, Ziwei Li ¹, Chao Shen ¹, Junwen Zhang ¹
¹ Key Laboratory for the Information Science of Electromagnetic Waves (MoE), College of Future Information Technology, Fudan University, Shanghai 200433, China
中国 上海 复旦大学未来信息创新学院 电磁波信息科学教育部重点实验室
² Shanghai Engineering Research Center of Low-Earth-Orbit Satellite Communication and Applications, Shanghai 200433, China
中国 上海 上海低轨卫星通信与应用工程技术研究中心
³ Shanghai Collaborative Innovation Center of Low-Earth-Orbit Satellite Communication Technology, Shanghai 200433, China
中国 上海 上海市低轨卫星通信技术协同创新中心
⁴ Peng Cheng Laboratory, Shenzhen 518055, China
中国 深圳 鹏城实验室
Opto-Electronic Technology, 2026-03-20
Abstract
The sixth generation (6G) of mobile communications aims to establish high-speed, large-capacity space-air-ground-sea integrated networks (SAGSINs) to support the rapidly growing data traffic driven by big data and large-scale artificial intelligence. Visible light communication (VLC), operating in the 380–780 nm spectrum, has emerged as a promising optical wireless technology owing to its abundant spectral resources, high achievable data rates, and immunity to electromagnetic interference. These advantages make VLC a strong candidate for three-dimensional integrated communication networks.
This review summarizes recent advances in visible light communication, focusing on key enabling technologies including transmitter and receiver devices, advanced signal processing algorithms, multi-aperture reception, and beamforming techniques. Representative demonstrations of large-capacity VLC systems based on multi-dimensional multiplexing are reviewed. Finally, the challenges and future research directions of VLC are discussed.
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