Results 21 to 30 of about 2,693 (249)

D-RoF and A-RoF Interfaces in an All-Optical Fronthaul of 5G Mobile Systems

open access: yesApplied Sciences, 2020
This paper presents a solution for enabling the coexistence of digitized radio-over-fiber (D-RoF) and analog radio-over-fiber (A-RoF) interfaces operating in the optical fronthaul of 5G mobile systems.
Zbigniew Zakrzewski
doaj   +1 more source

Narrowband photoreceiver for analog radio-over-fiber in the 24.25-29.5 GHZ band [PDF]

open access: yes45th European Conference on Optical Communication (ECOC 2019), 2019
The presented narrowband photoreceiver, optimized for a 27.5-29.5 GHz Analog-RoF link, is based on a 3-stage GaAs narrowband low noise amplifier which offers 24.4-dB gain, 2.1-dB noise figure and 26.6-dBm OIP3. An rms-EVM of 2.46/3.47% is achieved for 100/400-MBaud 16-QAM over the 24.25-29.5 GHz band.
Bogaert, L.   +6 more
openaire   +2 more sources

Real-time high-bandwidth mm-wave 5G NR signal transmission with analog radio-over-fiber fronthaul over multi-core fiber

open access: yesEURASIP Journal on Wireless Communications and Networking, 2021
This article presents an experimental demonstration of a high-capacity millimeter-wave 5G NR signal transmission with analog radio-over-fiber (ARoF) fronthaul over multi-core fiber and full real-time processing.
Simon Rommel   +15 more
doaj   +1 more source

Optical Multilevel Pulse Width Modulation for Analog Mobile Fronthaul

open access: yesPhotonics, 2018
The evolution of radio access networks is towards a centralized architecture (C-RAN), with massive antenna deployments and large radio-frequency bandwidths.
Lorenzo Combi   +4 more
doaj   +1 more source

Bidirectional WDM Multi-Nodes Analog Radio-Over-Fiber Mobile Fronthaul Link Enhanced by Photonic Integrated Devices

open access: yesIEEE Photonics Journal, 2022
A bidirectional wavelength division multiplexing (WDM) analog radio-over-fiber (A-RoF) mobile fronthaul (MFH) link is enhanced using photonic integrated devices.
Changjian Xie   +6 more
doaj   +1 more source

A QoS-Enabled Medium-Transparent MAC Protocol for Fiber-Wireless 5G RAN Transport Networks

open access: yesApplied Sciences, 2022
In order to meet the ever-increasing 5G and beyond Radio Access Network (RAN) densification demands, Fiber-Wireless transport networks are expected to play a key role in accelerating 5G deployment by providing the essential RAN flexibility, while at the ...
George Kalfas   +6 more
doaj   +1 more source

Design Issues of Digital and Analog Chaotic RoF Link Using Chaos Message Masking

open access: yesIEEE Access, 2019
This work presents the joint use of Radio Over Fiber and optical chaos to investigate the secure ROF link. Merging the two technologies, optical chaos for physical layer communication security and Radio over Fiber creates new design issues which have ...
Danish Ali Mazhar   +3 more
doaj   +1 more source

Vertical cavity surface emitting lasers in radio over fiber applications

open access: yesJournal of Telecommunications and Information Technology, 2003
Theoretical and experimental study of using direct modulated vertical cavity surface emitting lasers in radio over fiber applications is presented. The nonlinear distortion and signal to noise ratio are investigated and evaluated in case of short-range ...
Tamás Marozsák, Eszter Udvary
doaj   +1 more source

Linearization Technologies for Broadband Radio-Over-Fiber Transmission Systems

open access: yesPhotonics, 2014
Linearization technologies that can be used for linearizing RoF transmission are reviewed. Three main linearization methods, i.e. electrical analog linearization, optical linearization, and electrical digital linearization are presented and compared ...
Xiupu Zhang   +3 more
doaj   +1 more source

(IPC) Multigigabit Relay Link Using Millimeter-Wave Radio-Over-Fiber Technologies

open access: yesIEEE Photonics Journal, 2013
A multigigabit relay transceiver system based on analog radio-over-fiber technology is proposed and experimentally evaluated for broadband radio-signal transmission in the millimeter-wave band, particularly at 60 GHz.
A. Kanno   +4 more
doaj   +1 more source

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