Results 51 to 60 of about 2,264 (197)

Two-Stage Link Loss Optimization of Divergent Gaussian Beams for Narrow Field-of-View Receivers in Line-of-Sight Indoor Downlink Optical Wireless Communication (Invited)

Photonics, 2023
The predominant focus of research in high-speed optical wireless communication (OWC) lies in line-of-sight (LOS) links with narrow infrared beams. However, the implementation of precise tracking and steering necessitates delicate active devices, thereby ...
Xinda Yan, Yuzhe Wang, Chao Li, Fan Li, Zizheng Cao, Eduward Tangdiongga   +5 more
doaj   +1 more source

Performance Analysis of the LDPC‐Coded Hybrid LQAM‐MPPM for UWOC Systems

IET Optoelectronics, Volume 20, Issue 1, January/December 2026.
The effectiveness of LDPC codes in improving the performance of hybrid modulations is discussed, with coded 128‐QAM‐(12, 2) MPPM offering ~6.5 and 5.8 dB code gains at a BER of in strong and moderate turbulence, respectively. These results demonstrate the promise of hybrid modulation with LDPC as a robust and efficient modulation scheme for UWOC ...
Hongyan Jiang, Wanyi Hu, Xin Liao, Ning He, Wasiu Popoola, Ahmad Fairuz Omar, Sujan Rajbhandari   +6 more
wiley   +1 more source

Survey of next-generation optical wireless communication technologies for 6G and Beyond 6G

ICT Express
Demand for high-speed services has surged. The increasing congestion in the radio frequency system, which ranges from 3 kHz to 300 GHz, threatens the growth of next-generation wireless technologies. Despite advancements in signal processing and dedicated
Huy Nguyen, Al-Imran, Yeong Min Jang
doaj   +1 more source

Deep Learning-Aided OFDM-Based Generalized Optical Quadrature Spatial Modulation

IEEE Photonics Journal, 2022
In this paper, we propose an orthogonal frequency division multiplexing (OFDM)-based generalized optical quadrature spatial modulation (GOQSM) technique for multiple-input multiple-output optical wireless communication (MIMO-OWC) systems. Considering the
Chen Chen, Lin Zeng, Xin Zhong, Shu Fu, Min Liu, Pengfei Du   +5 more
doaj   +1 more source

Viologen phosphoric acid salt modified PEDOT:PSS for high‐performance 3D perovskite photodetectors

InfoMat, Volume 7, Issue 12, December 2025.
A novel viologen derivative, APV, is incorporated into PEDOT:PSS to enhance the performance of 3D perovskite photodetectors. The optimized device achieves an ultra‐low dark current of 5.75 × 10−7 mA cm−2 and a large bandwidth of 1.5 MHz. Integrated into an optical wireless communication system, it achieves a data rate of 12.5 Mbps, demonstrating ...
Hong Chen, Yueyue Wang, Haoyu Huang, Zilong Ye, Bin Deng, Xiteng Li, Xiaopeng Zhang, Meili Xu, Hong Meng   +8 more
wiley   +1 more source

Reliability Analysis of a Fault-Tolerant Full-Duplex Optical Wireless Communication Transceiver

IEEE Access, 2023
Optical wireless communication (OWC) has emerged as a promising solution to the radio spectrum crunch. OWC technology requires more access points (APs) compared to other wireless technologies, making it crucial to have reliable OWC APs to ensure low ...
Anjali Gupta, Vinod Chandra, Abhishek Dixit   +2 more
doaj   +1 more source

A Review of Indoor Optical Wireless Communication

Photonics
Indoor Optical Wireless Communication (OWC) provides a promising solution for high-capacity, low-latency, and electromagnetic interference-resistant wireless communication. Over the past decade, there has been extensive research addressing key challenges
Huiyi Weng, Wei Wang, Zhiwei Chen, Bowen Zhu, Fan Li   +4 more
doaj   +1 more source

Real-Time High-Definition (HD) Video Over 10-GbE Optical Wireless Communications (OWC) Supporting Simultaneous Access to Multiple Users

2018 European Conference on Optical Communication (ECOC), 2018
An OWC system which automatically finds the locations of users and simultaneously serves multiple users is demonstrated. Real-time high-definition (HD) video to two users is transmitted over 10-GbE protocol, showing the feasibility for practical applications. (Th1B.4)
Sung, Jiun Yu, Agis, Fausto Gomez, Trinidad, Ailee, Mitchell, Philip, Solis-Trapala, Karen, Docter, Boudewijn, Tangdiongga, Eduward, Koonen, Ton   +7 more
openaire   +1 more source

Optical Wireless Communications with Metasurfaces: Current Status and Potential for Intelligent Communications

Advanced Photonics Research, Volume 6, Issue 7, July 2025.
Optical wireless communications (OWCs) provide a promising alternative to spectrum‐congested microwave wireless communications. Recently, the use of metasurfaces with sub‐wavelength features for dynamic beam steering, beam manipulation, and spatial or optical‐angular‐momentum mode generation, conversion, and multiplexing in OWCs is proposed and ...
Ke Wang, Chengwei Fang, Md Osman Ali, Xiaojun Chen, Safa Alghadi, Shuo Li, Jiayuan He, Sithamparanathan Kandeepan   +7 more
wiley   +1 more source

Ultralow Photon Flux OWC Links Using UV‐C Single‐Photon Detection

Laser &Photonics Reviews, Volume 19, Issue 13, July 8, 2025.
This work presents ultralow photon flux UV‐C optical wireless communication (OWC) links using a micro‐LED and a silicon photomultiplier (SiPM)‐based single‐photon detector (SPD). A record‐low transmission of 7.7 photons per bit and a maximum data rate of 120 Mbit s−1 are achieved. Furthermore, single‐photon links highlight the potential for a future UV‐
Feng Liu, James Farmer, Grahame Faulkner, Jonathan J. D. McKendry, Enyuan Xie, Qianfang Zheng, Zhaoming Wang, Jianming Wang, Jordan Hill, Johannes Herrnsdorf, Martin D. Dawson, Dominic O'Brien   +11 more
wiley   +1 more source