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使用亚像素光学相机通信的无线传感器网络：实验信道评估进展

Wireless Sensor Networks Using Sub-Pixel Optical Camera Communications: Advances in Experimental Channel Evaluation.

作者信息

Matus Vicente, Guerra Victor, Jurado-Verdu Cristo, Zvanovec Stanislav, Perez-Jimenez Rafael

机构信息

Institute for Technological Development and Innovation in Communications (IDeTIC), University of Las Palmas de Gran Canaria, 35001 Las Palmas, Spain.

Department of Electromagnetic Field, Faculty of Electrical Engineering, Czech Technical University in Prague, Technicka, 16627 Prague, Czech Republic.

出版信息

Sensors (Basel). 2021 Apr 13;21(8):2739. doi: 10.3390/s21082739.

DOI:10.3390/s21082739
PMID:33924508
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8069996/
Abstract

Optical wireless communications in outdoor scenarios are challenged by uncontrollable atmospheric conditions that impair the channel quality. In this paper, different optical camera communications (OCC) equipment are experimentally studied in the laboratory and the field, and a sub-pixel architecture is raised as a potential solution for outdoor wireless sensor networks (WSN) applications, considering its achievable data throughput, the spatial division of sources, and the ability of cameras to overcome the attenuation caused by different atmospheric conditions such as rain, turbulence and the presence of aerosols. Sub-pixel OCC shows particularly adequate capabilities for some of the WSN applications presented, also in terms of cost-effectiveness and scalability. The novel topology of sub-pixel projection of multiple transmitters over the receiver using small optical devices is presented as a solution using OCC that re-uses camera equipment for communication purposes on top of video-monitoring.

摘要

室外场景中的光无线通信面临着不可控大气条件的挑战，这些条件会损害信道质量。本文在实验室和现场对不同的光学相机通信（OCC）设备进行了实验研究，并提出了一种亚像素架构，作为室外无线传感器网络（WSN）应用的潜在解决方案，考虑到其可实现的数据吞吐量、源的空间划分，以及相机克服降雨、湍流和气溶胶等不同大气条件所引起衰减的能力。亚像素OCC对于所呈现的一些WSN应用也显示出特别合适的能力，在成本效益和可扩展性方面也是如此。提出了一种使用小型光学设备在接收器上对多个发射器进行亚像素投影的新颖拓扑结构，作为一种使用OCC的解决方案，该方案在视频监控之上重新利用相机设备进行通信。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bfaf/8069996/0daf12c19a59/sensors-21-02739-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bfaf/8069996/ff0f23f137bd/sensors-21-02739-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bfaf/8069996/e2e1163484ab/sensors-21-02739-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bfaf/8069996/cbaea3dbffd2/sensors-21-02739-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bfaf/8069996/d1c51ff6d731/sensors-21-02739-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bfaf/8069996/57a9291cf422/sensors-21-02739-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bfaf/8069996/e0c3dc19f1fa/sensors-21-02739-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bfaf/8069996/7c9681ed4988/sensors-21-02739-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bfaf/8069996/5b4c57376c53/sensors-21-02739-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bfaf/8069996/863edc3869f0/sensors-21-02739-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bfaf/8069996/0daf12c19a59/sensors-21-02739-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bfaf/8069996/ff0f23f137bd/sensors-21-02739-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bfaf/8069996/e2e1163484ab/sensors-21-02739-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bfaf/8069996/cbaea3dbffd2/sensors-21-02739-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bfaf/8069996/d1c51ff6d731/sensors-21-02739-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bfaf/8069996/57a9291cf422/sensors-21-02739-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bfaf/8069996/e0c3dc19f1fa/sensors-21-02739-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bfaf/8069996/7c9681ed4988/sensors-21-02739-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bfaf/8069996/5b4c57376c53/sensors-21-02739-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bfaf/8069996/863edc3869f0/sensors-21-02739-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bfaf/8069996/0daf12c19a59/sensors-21-02739-g010.jpg

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