Results 101 to 110 of about 4,319 (225)

FTTA System Demo Using Optical Fiber-Coupled Active Antennas

open access: yesPhotonics, 2014
The convergence of optical and wireless systems such as Radio-over-Fiber (RoF) networks is the key to coping with the increasing bandwidth demands due to the increasing popularity of video and other high data rate applications.
Niels Neumann   +3 more
doaj   +1 more source

Estudo comparativo entre sistemas RoF com modulação directa e com modulação externa [PDF]

open access: yes, 2011
O RoF (Radio over Fiber) é uma tecnologia que permite a transmissão de sinais rádio de elevada largura de banda, fornecida pela fibra óptica, e simultaneamente mantêm a característica de mobilidade das redes de comunicação móvel.
Jerónimo, Rúben Fernando Cavaleiro
core  

All optical Millimeter-wave signal generation and transmission for radio over fiber (RoF) link

open access: yesIndonesian Journal of Electrical Engineering and Computer Science, 2019
<span>Fiber-based wireless system has become a promising solution as a cost- effective communication and it offers high capacity network with millimeter- wave (mm-wave) signal transmission. The system significantly offers superior possible bandwidths for both fiber and free-space applications.
Norliza Mohamed   +6 more
openaire   +2 more sources

Experimental demonstration of digital predistortion for orthogonal frequency-division multiplexing-radio over fibre links near laser resonance [PDF]

open access: yes, 2015
Radio over fibre (RoF), an enabling technology for distribution of wireless broadband service signals through analogue optical links, suffers from non-linear distortion. Digital predistortion has been demonstrated as an effective approach to overcome the
Fernando X.N.   +10 more
core   +1 more source

Enabling ROF Technologies and Integration Architectures for In-Building Optical–Wireless Access Networks

open access: yesIEEE Photonics Journal, 2010
This work presents our recent progress on advanced radio-over-fiber (ROF) technologies for in-building optical-wireless access networks, including multiservice, full-duplex, and polarization diversity ROF system design, as well as the experimental ...
Kun Xu   +6 more
doaj   +1 more source

Demonstration of a Hybrid B5G System Integrating VLC and RF-Based Technologies with Access Networks

open access: yesApplied Sciences
Visible-light communication (VLC) has emerged as a promising technology to provide the very high-throughput wireless communications demanded by beyond-fifth-generation (B5G) applications.
Tomás Powell Villena Andrade   +3 more
doaj   +1 more source

Hybrid OFDM and Radio-Over-Fiber Transport System Based on a Polarization Modulator

open access: yesIEEE Photonics Journal, 2015
A hybrid orthogonal frequency-division multiplexing (OFDM) and quadruple-frequency radio-over-fiber (RoF) transport system is developed based on colorless optical polarization beam splitters and an optical polarization-arrangement technique.
Ching-Hung Chang   +8 more
doaj   +1 more source

Simulation and Analysis of Radio over Fiber (RoF) Systems using Frequency Up-Conversion Technique

open access: yesInternational Journal of Computer Applications, 2016
Radio-over-Fiber (RoF) technology is an integration of microwave and optical networks [1]. RoF technology uses optical fiber as a backend technology due to the enormous advantages offered by it. SCM-WDM RoF systems (Subcarrier based Wavelength division multiplexing RoF system) improves spectral efficiency with high dispersion tolerance [7]. The data to
Lochan Jolly, Vimala Reddy
openaire   +1 more source

Dual Polarization Optical Slicing for C-RAN in 5G Networks based on Radio-over-Fiber

open access: yesRevista UIS Ingenierías
This paper investigates the potential of a dual polarized optical spectral slicing system to enable high-capacity optical links in the Cloud-Radio Access Network (C-RAN) segment based on Radio-over-Fiber (RoF) of a 5G network.
Gustavo Puerto-Leguizamón   +1 more
doaj   +1 more source

Sub-Carrier-Multiplexed Duplex 64-QAM Radio-Over-Fiber Transmission for Distributed Antennas

open access: yes
We demonstrate the feasibility of Radio Over Fiber (ROF) transmission of 4 Sub-Carrier Multiplexed (SCM) 64- QAM data streams to a pair of low-complexity Radio Access Units (RAUs), which form part of a virtual MIMO architecture under the control of a ...
Ghafoor, Salman, Hanzo, Lajos
core  

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