Results 61 to 70 of about 353 (159)

The Impact of Switching Voltage of Mach-Zehnder Modulator on Subcarrier Multiplexing Amplitude Shift Keying Radio over Fiber System

open access: yesTikrit Journal of Engineering Sciences, 2017
Radio over Fiber technology (ROF) is an essential technology for saving the remote access to broadband wireless communication. It is a combination of wireless and fiber optic networks.
Noor J. Jihad
doaj   +3 more sources

High Capacity Mode Division Multiplexing Based MIMO Enabled All-Optical Analog Millimeter-Wave Over Fiber Fronthaul Architecture for 5G and Beyond

open access: yesIEEE Access, 2019
The ever-increasing proliferation of mobile users and new technologies, and the demands for ubiquitous connectivity, high data capacity, faster data speed, low latency, and reliable services have been driven the quest for the next generation, fifth ...
Khan Zeb, Xiupu Zhang, Zhenguo Lu
doaj   +1 more source

Frequency Up-Conversion Technique for Radio Over Fiber (RoF) Remote Antenna Unit Configuration [PDF]

open access: yesThe Open Electrical & Electronic Engineering Journal, 2012
This work involves in transmitting of intermediate frequency (IF) signal over fiber utilizing photonics frequency conversion, which, the main focus is the development of optical front-end receiver. The system uses photodiode and heterojunction bipolar transistor (HBT) to detect and up-convert the received IF modulated optical signal.
openaire   +1 more source

KINERJA ORTHOGONAL FREQUENCY DIVISION MULTIPLE ACCESS (OFDMA) PADA TEKNOLOGI RADIO OVER FIBER (ROF)

open access: yesGema Teknologi, 2019
Amalia Eka Rakhmania, Sholeh Hadi Pramono, Dwi Fadila Kurniawan, in this paper explain that radio over Fiber (RoF) is a technology that integrates wireless and wireline transmission system to transmit radio signal through optical fibre cable. This paper evaluates the performance of Orthogonal Frequency Division Multiple Access (OFDMA) implemented in ...
Amalia Eka Rakhmania   +2 more
openaire   +2 more sources

Direct and External Intensity Modulation in OFDM RoF Links

open access: yesIEEE Photonics Journal, 2015
Radio-over-fiber (RoF) systems comprise light modulation and transmission of millimeter-wave signals over fiber links. The aim of this study is to investigate the performance of external and direct intensity modulation in RoF links and to analyze the ...
Sinan A. Khwandah   +5 more
doaj   +1 more source

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

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

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

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

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

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