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Optical Wireless Communications and Positioning
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Optical Wireless Communications and Positioning

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Communications".

Deadline for manuscript submissions: 31 July 2024 | Viewed by 2077

Special Issue Editors

Dr. Siu-Wai Ho

E-Mail Website1 Website2
Guest Editor
Teletraffic Research Centre, The University of Adelaide, Adelaide, SA 5005, Australia
Interests: information theory; communication theory; network coding; causal inference; machine learning
Special Issues, Collections and Topics in MDPI journals
Dr. Chung Shue(Calvin) Chen

E-Mail Website
Guest Editor
Nokia Bell Labs, Paris-Saclay Center, 92610 Nozay, France
Interests: optimization algorithm; 6G; Industry 4.0; wireless networks
Dr. Dominique Chiaroni

E-Mail Website
Guest Editor
Nokia Bell Labs, Paris-Saclay Center, 92610 Nozay, France
Interests: optical networking; light communication networks

Special Issue Information

Dear Colleagues,

Wireless light communications (LC) and visible light positioning (VLP) enable future lighting systems to provide not only illumination but also communications and positioning service. These technologies have recently attracted a great deal of attention as promising future services. In 2025, the connected lights and controllers of the lights are expected to represent a large Internet of Things (IoT) market. In particular, visible light communications (VLC) and light fidelity (LiFi) technology have large market perspectives with the prediction of the traffic’s exponential growth. Therefore, LC technologies could represent a strategic complementary solution to 5G/6G systems to overcome the scarcity of the radio frequency spectrum with a high level of security, or to support new services requiring high bit rate in sensible environments.

This Special Issue welcomes submissions which contribute to narrowing the technology gaps in wireless LC and VLP. Topics of interest include, but are not limited to:

  • Coding/modulation/multiple-access schemes for light communications (LC) including the spectrum from infrared to ultraviolet;
  • Transmitter and receiver designs for LC systems;
  • LC solutions in 5G/6G networks;
  • Optical camera communication (OCC) technologies and solutions;
  • Novel visible light positioning (VLP) systems;
  • High-performance LC/VLP applications;
  • Internet of Things (IoT) solutions using LC/VLP;
  • Virtual reality, augmented reality or extend reality (VR/AR/XR) applications using LC/VLP;
  • Applications of machine learning or artificial intelligence in LC/VLP systems;
  • Security in LC/VLP systems.

If you want to learn more information or need any advice, you can contact the Special Issue Editor Penelope Wang via <penelope.wang@mdpi.com> directly.

Dr. Siu-Wai Ho
Dr. Chung Shue(Calvin) Chen
Dr. Dominique Chiaroni
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sensors is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Published Papers (1 paper)

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Research

21 pages, 7529 KiB  
Article
Sensitivity Deterioration of Free-Space Optical Coherent/Non-Coherent OOK Modulation Receiver by Ambient Light Noise
by Weijie Ren, Jianfeng Sun, Haisheng Cong and Yuxin Jiang
Sensors 2023, 23(4), 2140; https://doi.org/10.3390/s23042140 - 14 Feb 2023
Viewed by 1726
Abstract
In free-space optical (FSO) communication systems, on–off keying (OOK) is a widely used modulation format. Coherent and non-coherent OOK receivers with sensitivities of −54.60 dBm and −51.25 dBm, respectively, were built with a communication rate of 1 Gbit/s and a bit error rate [...] Read more.
In free-space optical (FSO) communication systems, on–off keying (OOK) is a widely used modulation format. Coherent and non-coherent OOK receivers with sensitivities of −54.60 dBm and −51.25 dBm, respectively, were built with a communication rate of 1 Gbit/s and a bit error rate of 10−3. In an FSO communication system, the parameters must be designed to ensure a sufficient link margin. In contrast to optical fiber systems, FSO systems have ambient light (AL) noise such as sunlight. The efficiency of sunlight coupling in the single-mode fiber (SMF) of the receivers was calculated in this study. For a signal light with AL, the change in the main components of noise and the sensitivity deterioration were theoretically analyzed and experimentally verified in conditions of coherent reception and non-coherent reception with a preamplifier. For coherent reception, the theoretical sensitivity deterioration results are consistent with the experimental results which indicate that coherent reception exhibits better anti-AL noise performance than non-coherent reception when the power spectral density of the AL is the same. Coherent and non-coherent receivers coupled with SMF can work in direct sunlight. When the receiver lens diameter is greater than 4.88 × 10−4 m, the anti-AL noise performance of the receiver can be improved by increasing the receiver lens diameter. Full article
(This article belongs to the Special Issue Optical Wireless Communications and Positioning)
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