Results 261 to 270 of about 10,695,132 (298)
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Phase-Modulated Radio-over-Fiber Systems
Optical Fiber Communication Conference/National Fiber Optic Engineers Conference 2013, 2013We present an overview of phase-modulated RoF systems and review methods for downconversion based on phase-modulation. We describe a technique for phase-sensitive detection and demonstrate downconversion and I/Q channelization of a 64-QAM microwave signal.
Vincent R. Pagan, Thomas E. Murphy
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High Performance Fiber-Radio Link: Digitized Radio-over-Fiber
Asia Communications and Photonics Conference, 2012In this paper, we review our recent work on digitized RF transport to improve the dynamic range and performance of fiber-radio link which is traditionally based on analog signal transport.
Christina Lim +2 more
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Radio Over Fiber for Picocellular Network Architectures
Journal of Lightwave Technology, 2007We have studied RF transmission over various multimode fibers (MMFs) and a standard single-mode fiber, targeting picocellular networks for voice, data, and video applications. Bandwidth requirements of MMF links that are based on vertical-cavity surface-emitting laser (VCSEL) have been extensively studied.
Michael Sauer +2 more
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Reconfigurable Radio-Over-Fiber Networks [Invited]
Journal of Optical Communications and Networking, 2015This paper discusses the advantages of reconfigurable radio-over-fiber (RoF) networks and presents key activities in coherent remote access units, silicon photonics for microwave photonics, optical switching, and photonically reconfigurable antennas. These research areas enable functionalities that improve the utilization, flexibility, and performance ...
Juan José Vegas Olmos +1 more
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Compact Bidirectional Fiber-Antenna for Radio-Over-Fiber
2025 55th European Microwave Conference (EuMC)This work was funded by the European Union’s Horizon Europe research and innovation program under the Marie Skłodowska-Curie grant agreement No. 101073265 (EWOC), by the Spanish Ministerio de Ciencia e Innovación (MICIN) under projects PID2022-137754OB (CONFLOC) and PID2022-136869NB-C31 (MCIN/AEI/ 10.13039 / 501100011033/FEDER, UE), and by the Catalan ...
Ramos Bardín, Adriàn +4 more
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5G radio over fiber for small-cells
2016 18th International Conference on Transparent Optical Networks (ICTON), 2016Demand for mobile networks with high capacity and increased data rates for the up-coming 5G scenarios will require a capillary presence of antennas and a tight coordination between macro-cells and small-cells. A new technique to distribute radio signals over fiber is presented.
Filippo Ponzini, Luca Giorgi
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Predistortion of Radio Over Fiber Links: Algorithms, Implementation, and Measurements
IEEE Transactions on Circuits and Systems I: Regular Papers, 2012Distributed antenna systems (DASs) have been proposed for use in high-data-rate wireless communications. Connecting the central unit to remote antenna units, radio over fiber (RoF) links become essential parts of the DAS. One of the major problems in the RoF links is the nonlinear distortion experienced in its optoelectronic devices.
Hiivala, Mikko +7 more
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Radio-over-optical fiber networks: introduction to the feature issue
Journal of Optical Networking, 2009This feature issue of the Journal of Optical Networking gives a wide overview of the progress on certain key areas in the field of radio-over-optical-fiber network technologies, including the enabling technologies, architectures, and systems design.
Yu, J. +7 more
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Power-over-fiber using double-clad fibers for radio-over-fiber systems
2014 19th European Conference on Networks and Optical Communications - (NOC), 2014This work presents a power-over-fiber (PoF) using double-clad fibers (DCFs) for radio-over-fiber (RoF) systems. The DCF for the RoF link has a single-mode (SM) core and a multimode inner cladding; the SM core is used for both downlink and uplink transmissions of the optical RoF data signals, while the inner cladding is used for optical power delivery ...
Motoharu Matsuura, Jun Sato
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Architectures and Algorithms for Radio-Over-Fiber Networks
Journal of Optical Communications and Networking, 2018To serve futuristic applications, wireless access with a wired-like connectivity is required. To accomplish this goal, we propose a design for a flexible radio-over-fiber (RoF) network, where we optimize the RoF network for the right choice of subcarrier modulation scheme.
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