Optical Wireless Communications (OWC) for Internet-of-Things (IoT)

A special issue of Photonics (ISSN 2304-6732). This special issue belongs to the section "Optical Communication and Network".

Deadline for manuscript submissions: 30 May 2025 | Viewed by 1369

Special Issue Editors


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Guest Editor
Key Laboratory of Dynamic Cognitive System of Electromagnetic Spectrum Space, Ministry of Industry and Information Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
Interests: optical communications; UAV communications; multiple access; machine learning

E-Mail Website
Guest Editor
School of Electronic and Information Engineering, Nanjing University of Information Science and Technology, Nanjing 210044, China
Interests: optical wireless communication; visible light communication; internet of things; signal processing; dimming

Special Issue Information

Dear Colleagues,

The next generation network is envisioned to provide all-time, all-domain and all-space seamless services, leading to the advancement of the Internet-of-Things (IoT). However, with the explosive growth of access devices in the IoT, the severe shortage and congestion of the radio frequency (RF) spectrum becomes a bottleneck. To overcome this problem, more and more researchers are moving their focus to the higher spectrum, such as the infra-red, visible-light and ultra-violet specta, constituting the optical wireless communication (OWC) systems. It has to be admitted that when OWC systems are utilized for IoT, they encounter many challenges due to the time-varying atmospheric conditions, mobile device alignments, survivable routing and networking, and so on. The goal of this Special Issue is to explore the characteristics of OWC and address the difficulties as well as the prospects of OWC for IoT, realizing global ubiquitous communications with large capacity and high reliability.

Potential topics include, but are not limited to, the following:

  • Channel modeling of OWC for IoT;
  • High-rate and high-reliable OWC techniques;
  • Multiple access design for OWC for IoT;
  • Resource allocation for OWC for IoT;
  • OWC routing protocol design for IoT;
  • Network association for OWC for IoT;
  • Optical wireless backhaul design for IoT;
  • Mixed or hybrid RF/OWC design for IoT;
  • Optical intelligent reflecting surface for IoT;
  • Signal compensation for OWC.

Dr. Simeng Feng
Dr. Baolong Li
Guest Editors

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Keywords

  • optical wireless communication (OWC)
  • internet of things (IoT)
  • visible light communication (VLC)
  • UAV communications

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Published Papers (1 paper)

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Research

18 pages, 3527 KiB  
Article
ZEROES: Robust Derivative-Based Demodulation Method for Optical Camera Communication
by Maugan De Murcia, Hervé Boeglen and Anne Julien-Vergonjanne
Photonics 2024, 11(10), 949; https://doi.org/10.3390/photonics11100949 - 9 Oct 2024
Viewed by 1010
Abstract
Most of Optical Camera Communication (OCC) systems benefit from the rolling shutter mechanism of Complementary Metal-Oxide Semiconductor (CMOS) cameras to record the brightness evolution of the Light-Emitting Diode (LED) through dark and bright strips within images. While this technique enhances the maximum achievable [...] Read more.
Most of Optical Camera Communication (OCC) systems benefit from the rolling shutter mechanism of Complementary Metal-Oxide Semiconductor (CMOS) cameras to record the brightness evolution of the Light-Emitting Diode (LED) through dark and bright strips within images. While this technique enhances the maximum achievable data rate, the main difficulty lies in the demodulation of the signal extracted from images, subject to blooming effect. Thus, two main approaches were proposed to deal with this issue, using adaptive thresholds whose value evolves according to amplitude changes or detecting signal variations with the first-order derivative. As the second method is more robust, a new demodulation method based on the detection of the zeros of the first-order derivative of the extracted signal was proposed in this paper. Obtained results clearly show an improvement in the extracted signal demodulation compared to other methods, achieving a raw Bit Error Rate (BER) of 10−3 around 50 cm in a Line-Of-Sight scenario, and increasing the maximum communication distance by 43.5%, reaching 330 cm in the case of a Non-Line-Of-Sight transmission. Full article
(This article belongs to the Special Issue Optical Wireless Communications (OWC) for Internet-of-Things (IoT))
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Planned Papers

The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.

Title: ZEROES: Robust Derivative-Based Demodulation Method for Optical Camera Communication
Authors: Maugan De Murcia; Hervé Boeglen; Anne Julien-Vergonjanne
Affiliation: University of Poitiers
Abstract: Most of Optical Camera Communication (OCC) systems benefit from the rolling shutter mechanism of Complementary Metal-Oxide-Semiconductor (CMOS) cameras to record the brightness evolution of the Light-Emitting Diode (LED) through dark and bright strips within images. While this technique enhances the maximum achievable data rate, the main difficulty lies in the demodulation of the signal extracted from images, subject to blooming effect. Thus, two main approaches have been proposed to deal with this issue, using adaptive thresholds whose value evolves according to amplitude changes or detecting signal variations with the first-order derivative. As the second method is more robust, a new demodulation method based on the detection of the zeros of the first-order derivative of the extracted signal is proposed in this paper. Obtained results clearly show an improvement in the extracted signal demodulation compared to other methods, by achieving a raw Bit Error Rate (BER) of 10 -3 around 50 cm in a Line-Of-Sight scenario, and increasing the maximum communication distance by 43.5 % reaching 330 cm in the case of a Non-Line-Of-Sight transmission.

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