Experimental Evaluation of LED-Based Wearable Transmitter for Optical Camera Communications Systems

2023 17th International Conference on Telecommunications (ConTEL) Pub Date : 2023-07-11 DOI:10.1109/ConTEL58387.2023.10199043

E. Niarchou, V. Matus, J. Rabadán, V. Guerra, R. P. Jiménez

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Abstract

In this paper, we experimentally demonstrate an optical camera communications (OCC) system for wearable light-emitting diode (LED) as the transmitter. Wearable devices are powerful tools for supporting Internet of Things (IoT) systems because of their sensing, processing, and communication capability. The term “wearable devices” refers to a wide range of products that can be integrated into clothing and accessories, thus allowing real-time data detection, storage, and exchange without human intervention. This paper presents the practical evaluation of an LED-based wearable transmitter for an OCC system to demonstrate its feasibility. In particular, an LED array attached to the body is modulated using on-off keying to transmit data via visible light, and a smartphone camera captures video of the user wearing the device while slightly moving in a static position in the room. Finally, the data is decoded from the video frames using an image processing algorithm that tracks the source and demodulates the signal.

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光学摄像通信系统中基于led可穿戴发射机的实验评估

本文通过实验验证了一种以可穿戴式发光二极管(LED)为发射器的光学相机通信系统。可穿戴设备是支持物联网(IoT)系统的强大工具，因为它们具有传感、处理和通信能力。“可穿戴设备”一词指的是一系列可以集成到服装和配饰中的产品，从而在没有人为干预的情况下实现实时数据检测、存储和交换。本文介绍了一种用于OCC系统的基于led的可穿戴发射机的实际评估，以证明其可行性。特别是，附着在身体上的LED阵列使用开关键进行调制，通过可见光传输数据，智能手机摄像头捕捉用户佩戴该设备时在房间内以静态位置轻微移动的视频。最后，使用图像处理算法从视频帧中解码数据，该算法跟踪源并解调信号。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2023 17th International Conference on Telecommunications (ConTEL)

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