Results 41 to 50 of about 2,144 (180)
Analysis of PAPR in optical OFDM systems with grouped LEDs [PDF]
, 2017 The need for multiple transmit chains poses a major challenge in optical orthogonal frequency division multiplexing (OFDM) system utilising grouped light emitting diodes (LEDs) for the purpose of peak-to-average power ratio (PAPR) reduction. Thus, recent
Offiong, Funmilayo B. +2 more
core +2 more sources
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 +5 more
doaj +1 more source
Optical wireless communication based indoor positioning algorithms: performance optimisation and mathematical modelling [PDF]
, 2018 In this paper, the performance of the optimal beam radius indoor positioning (OBRIP) and two-receiver indoor positioning (TRIP) algorithms are analysed by varying system parameters in the presence of an indoor optical wireless channel modelled in line of
Beer +5 more
core +1 more source
IET Networks, Volume 15, Issue 1, January/December 2026.This work investigates suitable MAC protocols for medical optical wireless body‐area networks (WBANs), focussing on multiple access management. Using realistic channel models, we evaluate the network performance in terms of energy efficiency, quality‐of‐service and scalability for different IEEE protocols, for both intra‐ and extra‐WBAN connectivity in
Christos Giachoudis +5 more
wiley +1 more source
Survey of next-generation optical wireless communication technologies for 6G and Beyond 6G
ICT ExpressDemand 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
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 +2 more
doaj +1 more source
A Visible Light Localization Aided OpticalWireless System [PDF]
, 2011 We report about a Line of Sight Optical Wireless Communication (LoS OWC) system aided by a simplified Visible Light localization algorithm for tracking purposes.
Amir Masood Khalid +5 more
core +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 +6 more
wiley +1 more source
Advanced Technologies in Optical Wireless Communications
PhotonicsOptical wireless communication (OWC) is expected to be a key component of future wireless communication networks, with a wide range of applications such as indoor visible-light communication (VLC) [...]
Cuiwei He, Chen Chen
doaj +1 more source
LED and CMOS Image Sensor Based Optical Wireless Communication System for Automotive Applications
IEEE Photonics Journal, 2013 An optical wireless communication (OWC) system based on a light-emitting-diode (LED) transmitter and a camera receiver has been developed for use in the automotive area.
Isamu Takai +5 more
doaj +1 more source