Visible light communication (VLC) is a promising candidate for future indoor wireless communication. Light emitting diodes (LEDs) are popular choices as transmitters for VLC, since they are energy efficient and have the ability to provide illumination and data transmission simultaneously. VLC is attractive for reasons such as security, the ability to use a licence free spectrum, and broad bandwidth. Previous review articles on VLC mainly focused on VLC network algorithms, implementation challenges, system design, applications, and physical layer technologies. Unlike the existing reviews, this study presents state-of-the-art VLC systems for high-speed data communication in the gigabit range and the techniques to achieve such high data rates. In addition, concepts such as LED modelling and fabrication process, recent commercial advancements of VLC products, and hybrid/heterogeneous networks to achieve high data rate are highlighted in this study. For this purpose, some key technologies of VLC systems, including channel equalisation from both transmitter and receiver sides, higher-order modulation techniques, wavelength division multiplexing, multiple input multiple output technology, LED modelling, and advanced fabrication processes are discussed. This study also covers recent advancements in commercialisation of VLC technology, and recent progress made by various research groups.

中文翻译：

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审查千兆位可见光通信的先进技术

可见光通信（VLC）是未来室内无线通信的有希望的候选者。发光二极管（LED）是VLC的发射器，因为它们具有高能效并且具有同时提供照明和数据传输的能力，因此是最受欢迎的选择。VLC之所以具有吸引力是因为诸如安全性，使用无许可证频谱的能力以及宽带宽之类的原因。先前有关VLC的评论文章主要关注VLC网络算法，实现挑战，系统设计，应用程序和物理层技术。与现有的评论不同，本研究提出了用于千兆位范围内的高速数据通信的最新VLC系统以及实现如此高数据速率的技术。此外，诸如LED建模和制造过程等概念，这项研究强调了VLC产品的最新商业发展，以及实现高数据速率的混合/异构网络。为此，讨论了VLC系统的一些关键技术，包括从发送器和接收器双方进行通道均衡，高阶调制技术，波分复用，多输入多输出技术，LED建模和先进的制造工艺。这项研究还涵盖了VLC技术商业化方面的最新进展以及各个研究小组的最新进展。讨论了波分复用，多输入多输出技术，LED建模和先进的制造工艺。这项研究还涵盖了VLC技术商业化的最新进展以及各个研究小组的最新进展。讨论了波分复用，多输入多输出技术，LED建模和先进的制造工艺。这项研究还涵盖了VLC技术商业化方面的最新进展以及各个研究小组的最新进展。