Results 41 to 50 of about 29,221 (286)

Orthogonal Chirp-Division Multiplexing for Future Converged Optical/Millimeter-Wave Radio Access Networks

open access: yesIEEE Access, 2022
Envisaged network scaling in the beyond 5G and 6G era makes the optical transport of high bandwidth radio signals a critical aspect for future radio access networks (RANs), while the move toward wireless transmission in millimeter-wave (mm-wave) and ...
Colm Browning   +3 more
doaj   +1 more source

Digital radio over fibre for future broadband wireless access network solution

open access: yes, 2010
Copyright @ 2010 IEEEDigital systems are more flexible and environment-process-tolerant than analogue systems. They are more reliable and robust against cross-talk, interference and channel noises, and are capable of covering higher dynamic range than ...
Mehdi Fakhraie, S   +7 more
core   +1 more source

Power-over-Fiber Co-Transmission with Analog Radio-over-Fiber over a Single Standard Single-Mode Fiber

open access: yesPhotonics
To enable mains-free wireless access in confined environments such as tunnels and mines, this paper proposes and experimentally demonstrates a converged power-over-fiber (PoF) and analog radio-over-fiber (A-RoF) system over a single standard single-mode ...
Guangxin Li   +4 more
doaj   +1 more source

Direct and external intensity modulation in OFDM RoF links [PDF]

open access: yes, 2014
This article is available Open Access to view at: http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=7158985Radio-over-fiber (RoF) systems comprise light modulation and transmission of millimeter-wave signals over fiber links.
Cosmas, John P.   +22 more
core   +1 more source

Ultra-Wideband Radio-Over-Optical Fiber Concepts, Technologies and Applications

open access: yesIEEE Photonics Journal, 2010
We have developed novel ultra-wideband (UWB) radio-over-optical-fiber (UROOF) concepts and technologies for a number of important in-house applications characterized by a high data rate.
M. Ran, B. I. Lembrikov, Y. Ben Ezra
doaj   +1 more source

Maximum RF Input Signal on the Electro-Optic Modulator Transmission Boundary Area for Harmonic Distortion Compensation in Analog Radio Over Fiber

open access: yesIEEE Access, 2022
In this study, we perform an analytical investigation of the electro-optic (EO), Mach-Zehnder modulator (MZM) transmission boundary area with a nonlinear model.
Yus Natali   +2 more
doaj   +1 more source

A fully bidirectional 2.4-GHz Wireless-Over-Fiber system using Photonic Active Integrated Antennas (PhAIAs) [PDF]

open access: yes, 2007
This paper describes a low-cost scheme for implementing in-building distributed antenna systems using the photonic-active-integrated-antenna (PhAIA) concept, whereby photonic devices are integrated directly with planar antennas.
Cryan, MJ, Sittakul, V
core   +1 more source

Full duplex 60 GHz millimeter wave transmission over multi-mode fiber

open access: yes, 2010
Copyright @ 2010 IEEENew wireless subscribers are signing up at an increasing demand of more capacity for ultra-high data rate transfers at speeds more than 1 Gbps, while the radio spectrum is limited. Millimeter wave communication system offers a unique
M. Kamarei   +9 more
core   +1 more source

Intelligent Encoding through OCDM for High Capacity and Connectivity in Wireless 5G and Beyond Networks

open access: yesJournal of High-Frequency Communication Technologies, 2023
Multioperator multiservice support over mobile front haul networks would be an important requirement in the evolving 5G Wireless Communication architectures.
Brindha S   +6 more
doaj   +1 more source

Demonstration of a Wideband 28 GHz Analog Radio-over-Fiber Optical Fronthaul Transmission Enabling Nonlinearity Tolerance

open access: yes, 2023
A 1 GHz wideband analog radio-over-fiber link at the RF carrier frequency of 28 GHz is demonstrated over a 10 kilometer fiber transmission using 64-Quadrature amplitude modulation (64-QAM), with the nonlinearity analysis indicating that the link ...
Lim, C, Song, T, Nirmalathas, A
core   +1 more source

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