Results 41 to 50 of about 6,856 (205)
A Software-Defined Multi-Element VLC Architecture
, 2017 In the modern era of radio frequency (RF) spectrum crunch, visible light communication (VLC) is a recent and promising alternative technology that operates at the visible light spectrum.
Eroglu, Yusuf Said +5 more
core +1 more source
Single-Photon Avalanche Diodes in CMOS Technologies for Optical Communications [PDF]
, 2017 As optical communications may soon supplement Wi-Fi technologies, a concept known as visible light communications (VLC), low-cost receivers must provide extreme sensitivity to alleviate attenuation factors and overall power usage within communications ...
Fisher, Edward
core +2 more sources
EURASIP Journal on Wireless Communications and Networking, 2020 High spectral efficiency is a key element that drives research for future wireless communication systems in order to meet the increasing demand for ubiquitous connectivity despite a limited radio frequency spectrum.
Ahmad Jabban +2 more
doaj +1 more source
Distributions of Upper PAPR and Lower PAPR of OFDM Signals in Visible Light Communications
, 2014 Orthogonal frequency-division multiplexing (OFDM) in visible light communications (VLC) inherits the disadvantage of high peak-to-average power ratio (PAPR) from OFDM in radio frequency (RF) communications.
Baxley, Robert J. +2 more
core +1 more source
Experimental Demonstration of High-Speed 4 × 4 Imaging Multi-CAP MIMO Visible Light Communications [PDF]
, 2018 In general, visible light communication (VLC) systems, which utilise white light-emitting diodes (LEDs), only offer a bandwidth limited to the lower MHz region.
Bhatnagar, Manav +7 more
core +2 more sources
A dynamic handover scheme based on bidirectional VLC channel in multi-user attocell networks
EURASIP Journal on Wireless Communications and Networking, 2022 Light fidelity (LiFi) would be a potential optical wireless communications technology for future mixed-spectrum 5G/6G indoor attocell network, which uses light-emitting diodes based as an optical antenna and offers Gbits capacity.
Liqiang Wang +5 more
doaj +1 more source
Advanced Photonics Research, 2021 Visible light communication (VLC) has attracted widespread attention for wireless communications. The popularity of GaN‐based light‐emitting diodes (LEDs) has also laid a solid foundation for the application of VLC.
Rongqiao Wan +5 more
doaj +1 more source
Hybrid RF/VLC Network Spectrum Allocation Scheme Using Bargaining Solutions
IEEE Access, 2022 Visible light communication (VLC) is becoming a promising technology of wireless communications, and the co-deployment of radio frequency (RF) and VLC technologies has been investigated in indoor environments to achieve high data rate communications.
Sungwook Kim
doaj +1 more source
Application of Expurgated PPM to Indoor Visible Light Communications - Part I: Single-User Systems
, 2013 Visible light communications (VLC) in indoor environments suffer from the limited bandwidth of LEDs as well as from the inter-symbol interference (ISI) imposed by multipath.
Brandt-Pearce, Maite, Noshad, Mohammad
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Hybrid diffuse IR transmitter supporting VLC systems with imaging receivers [PDF]
, 2016 Indoor visible light communication (VLC), using white-LED lighting, generally assumes lights are ON during communications. In this paper, we propose a new Hybrid diffuse Infrared transmitter (HDIrT) coupled with an imaging receiver to support VLC system ...
Alresheedi, MT +2 more
core +1 more source