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Li-Fi delivering broad band and multimedia content under dimming in train

机译：在火车中提供宽带和多媒体内容的LI-Fi

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摘要

This paper focuses in delivering broad band and media content to numerous users while traveling in the train through light fidelity (Li-Fi), an innovative technology under Visible Light Communication (VLC). In our daily life, there is increasing traffic request for open Radio Frequency (RF) to support the users. In RF, even recurrence and spatial reuse of spectrum not able to support in conveying broad band and multimedia content to the internet users. For high-capacity mobile data networks, the VLC can balance the RF-based mobile communication systems. VLC conserves energy through dimming. Dimmed Light Emitting Diode (LED) luminaries provide visual comfort with appropriate optics while accessing internet. In the proposed work, LED dimming is achieved through digital dimming modulation technique, Variable Delta Sigma Modulation. The broad band and multimedia content can be delivered faster through Reverse Polarity Optical Orthogonal Frequency Division Multiplexing modulator to the internet users under dimming with better bit error rate and bit rate.
机译：本文侧重于通过光线保真（LI-FI）在火车中向众多用户提供广泛的乐队和媒体内容，这是一个可见光通信（VLC）的创新技术。在我们的日常生活中，增加了开放式射频（RF）的交通要求以支持用户。在RF，甚至再次复发和空间重用不能够支持向互联网用户传送广泛的频带和多媒体内容。对于高容量移动数据网络，VLC可以平衡基于RF的移动通信系统。 VLC通过调光节省能量。 Dimmed发光二极管（LED）亮度在访问互联网时提供适当的光学器件的视觉舒适度。在所提出的工作中，通过数字调光调制技术实现LED调光，可变ΔIigma调制。宽带和多媒体内容可以通过反极性光正交频分复用调制器更快地传送到Internet用户，以更好的误码率和比特率。

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