Results 61 to 70 of about 10,821 (205)

Analysis and design of three-stage concatenated color-shift keying [PDF]

open access: yes, 2015
Visible Light Communication (VLC) relies on abundant unlicensed bandwidth resources. As an attractive high-data-rate modulation scheme designed for VLC, Color Shift Keying (CSK) assisted modulation is analysed. We commence our study from an uncoded M-CSK
Hanzo, Lajos, Jiang, Junyi, Zhang, Rong
core   +1 more source

Understanding Barriers and Facilitators to Cardiovascular Rehabilitation Participation Among Rural Residents With Cardiovascular Disease in Brazil

open access: yesPublic Health Nursing, Volume 43, Issue 2, Page 278-287, March/April 2026.
ABSTRACT Objective This study explored barriers to cardiovascular rehabilitation (CR) participation among individuals with cardiovascular disease (CVD) and risk factors in a rural, low‐resource setting. Design A qualitative study using focus groups. Sample 21 individuals (76% women, 71% with CVD risk factors, 48% with incomplete elementary education ...
Mayara Moura Alves da Cruz   +7 more
wiley   +1 more source

Accelerating Luminescence in Nanostructures: Exploring the Physical Limits and Impact of Ultrafast Emission in Nanoscale Materials

open access: yesAdvanced Photonics Research, Volume 7, Issue 2, February 2026.
This review highlights recent advances in accelerating luminescence in nanostructures through cooperative emission, resonator coupling, and nonlocal light–matter interactions. By unifying concepts such as excitonic superradiance, superfluorescence, and the plasmonic Purcell effect, it reveals physical limits of ultrafast emission and their potential ...
Masaaki Ashida   +3 more
wiley   +1 more source

Physical-Layer Security for Indoor Hybrid PLC/VLC Networks With NOMA

open access: yesIEEE Open Journal of the Communications Society
Hybrid power line communication (PLC)/visible light communication (VLC) networks have been demonstrated to be crucial for indoor practical communications and have attracted widespread attention.
Xiang Zhao   +4 more
doaj   +1 more source

Multipath Reflections Analysis on Indoor Visible Light Positioning System

open access: yes, 2015
Visible light communication (VLC) has become a promising research topic in recent years, and finds its wide applications in indoor environments. Particularly, for location based services (LBS), visible light also provides a practical solution for indoor ...
Gu, Wenjun   +2 more
core   +1 more source

Demonstration of 3D‐Printed Optical Antennas for High‐Speed Optical Wireless Communication Using Market‐Ready Materials

open access: yesAdvanced Materials Technologies, Volume 11, Issue 1, 8 January 2026.
The feasibility of 3D‐printed optical antennas using commercial, non‐optical materials for Optical Wireless Communications (OWC) is demonstrated. This study combines spectral analysis, anisotropy effects, and telecom‐relevant optical measurements, revealing promising performance and novel insights for low‐cost, customizable photonic components in ...
Mauro Aresti   +6 more
wiley   +1 more source

Bridging Light and Immersion: Visible Optical Interfaces for Extended Reality

open access: yesPhotonics
Extended reality (XR), encompassing virtual reality (VR), augmented reality (AR), and mixed reality (MR), is rapidly reshaping the landscape of digital interaction and immersive communication.
Haixuan Xu   +4 more
doaj   +1 more source

Research on Novel Antimony Sulfide Detectors for Underwater Visible Light Communication

open access: yesGuangtongxin yanjiu, 2023
Visible Light Communication (VLC) has become an effective underwater communication technology due to its advantages such as fast transmission speed and strong confidentiality.
ZHU Jia-wei   +9 more
doaj  

Deep Reinforcement Learning and IoT for Renewable Energy Optimization in Smart Buildings: A Comprehensive Review

open access: yesIET Generation, Transmission &Distribution, Volume 20, Issue 1, January/December 2026.
This paper presents a comprehensive review of Internet of Things (IoT)‐deep reinforcement learning (DRL) integration for smart building energy management, with an emphasis on addressing renewable energy variability, real‐time decision‐making and interoperability challenges.
Tehseen Mazhar   +2 more
wiley   +1 more source

Advancements in LED-based indoor visible light communication: A two-decade survey

open access: yesHeliyon
An indoor optical wireless communication using the visible light spectrum is an evolving zone that utilizes the superior characteristics of Light Emitting Diode (LED) due to the twin added advantages such as illumination and communication.
N. Aravindan   +2 more
doaj   +1 more source

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