Development of full duplex Laser based data and voice communication system bridging two IoT networks

Proceedings of the 21st International Conference on Distributed Computing and Networking Pub Date : 2020-01-04 DOI:10.1145/3369740.3372763

Basudeb Das, T. Sarkar, S. Mukherjee, Bappaditya Sinha, S. Mazumdar

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Abstract

Recent technology trends show a steep inclination towards the Internet of Things (IoT) using wireless networks. IoT can be implemented using the prevelent communication protocols GSM, Bluetooth, Zigbee, WIFI etc. Moreover, these protocols have their own limitations because of which IoT networks cannot be installed everywhere. This paper describes an Optical Wireless Communication (OWC) System, which may be treated as the intermediate system, connecting two networks. The system mainly comprises of the Transmitter, Receiver, Channel and necessary optics. This developed system, designed to transmit both data and voice across the communication link of 250m. A 100mW, 808nm DPSS LASER is used as an optical source. The data communication unit utilizes an ON-OFF keying modem and the accomplished datarate is 2Mbps. A pulse width modulation technique is used for voice communication. This is a full-duplex optical wireless communication system, which may be used for bridging two IoT networks.

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基于全双工激光的数据和语音通信系统桥接两个物联网网络的开发

最近的技术趋势显示出使用无线网络的物联网(IoT)的急剧倾向。物联网可以使用GSM、蓝牙、Zigbee、WIFI等主流通信协议来实现。此外，这些协议有其自身的局限性，因此物联网网络不能安装在任何地方。本文介绍了一种光无线通信(OWC)系统，它可以看作是连接两个网络的中间系统。该系统主要由发射器、接收器、信道和必要的光学器件组成。该系统设计用于在250m的通信链路上传输数据和语音。使用100mW, 808nm的DPSS激光器作为光源。所述数据通信单元采用ON-OFF键控调制解调器，所述完成的数据速率为2Mbps。一种脉宽调制技术被用于语音通信。这是一个全双工光无线通信系统，可用于桥接两个物联网网络。

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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Proceedings of the 21st International Conference on Distributed Computing and Networking

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