实测手机屏到摄像头的光通信信道特性
Channel characterization in screen-to-camera based optical camera communication
- 用手机屏幕和摄像头搭建20厘米距离的光通信系统
- 测量并分析了屏幕发光的朗伯辐射特性
- 为手机间可见光通信提供信道建模基础
随着光学相机通信（OCC）的发展，基于屏幕到摄像头的通信成为可能，开启了以智能手机为基础的可见光通信（S2SVLC）新领域。本文实验演示了基于VLC技术、利用手机屏幕与摄像头在20厘米链路距离下的S2SVLC系统，并分析了手机屏幕的朗伯辐射阶数，对屏幕到摄像头链路的信道特性进行了表征，测试条件明确。
原文摘要 · Abstract (English)
With the increase in optical camera communication (OCC), a screen to camera-based communication can be established. This opens a new field of visible light communication (VLC) known as smartphone to smartphone based visible light communication (S2SVLC) system. In this paper, we experimentally demonstrate a S2SVLC system based on VLC technology using a smartphone screen and a smartphone camera over a link span of 20 cms. We analyze the Lambertian order of the smartphone screen and carry out a channel characterization of a screen to camera link-based VLC system under specific test conditions.
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