Results 1 to 10 of about 2,880 (164)

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

open access: yesApplied Sciences (Switzerland), 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. In the first section, we formulate the need to introduce new technologies to the cloud/centralized radio access network (C-RAN) (Next Generation RAN (NG-
Zbigniew Zakrzewski
exaly   +4 more sources

A Refined Rotation Forest-Based Ensemble Classifier for Lithological Mapping with ZY1-02D Hyperspectral Remote Sensing Imagery [PDF]

open access: yesSensors
Hyperspectral remote sensing data provides distinct advantages for lithological classification in bedrock-exposed areas. Despite the superior performance of ensemble learning methods (e.g., Rotation Forest, ROF) in big data classification, their ...
Jing Xi   +5 more
doaj   +2 more sources

Network pharmacology, bioinformatics and in vitro/in vivo validation elucidate the anti-lung cancer activities and potential targets of Rhoifolin [PDF]

open access: yesFrontiers in Pharmacology
BackgroundRhoifolin (ROF), a naturally occurring flavonoid, exhibits broad bioactivities, but its therapeutic potential and underlying mechanisms in lung cancer remain largely unknown.
Jing Qian   +6 more
doaj   +2 more sources

A MAGDM approach based on dual hesitant Q-rung orthopair fuzzy Dombi norm with Hamy mean operators and its application [PDF]

open access: yesScientific Reports
As complex real-world decision-making intensifies, handling inherent fuzziness and uncertainty becomes crucial. Dual hesitant q-rung orthopair fuzzy (DHq-ROF) sets offer a solution for addressing ambiguity and hesitancy for multi-attribute group decision-
Xiuqin Ma   +4 more
doaj   +2 more sources

Rhoifolin Ameliorates Osteoarthritis via Regulating Autophagy

open access: yesFrontiers in Pharmacology, 2021
Osteoarthritis (OA) is a common age-related joint disease. Its development has been generally thought to be associated with inflammation and autophagy.
Jiyuan Yan   +8 more
doaj   +1 more source

Heterogeneous Passive Optical Network based on Power over Fiber

open access: yesGuangtongxin yanjiu, 2022
The increasing demand of mobile network communication bandwidth requires more information in the limited bandwidth. In this paper, a novel bidirectional transmission system architecture based on Radio over Fiber Passive Optical Network (RoF-PON) system ...
Li-wei YANG   +5 more
doaj   +1 more source

THE PERFORMANCE COMPARISON OF RF LEVEL MULTIPLEXING AND OPTICAL LEVEL MULTIPLEXING IN RADIO OVER FIBER SYSTEMS WITH DIRECT OPTICAL MODULATION TECHNIQUES

open access: yesJournal Sampurasun, 2023
Communication in the world is developing very rapidly, not only limited to voice but data communication. Many techniques have been used to support multimedia services. Radio over Fiber is expected to support communication for long distances. Therefore, a
Febrizal Ujang   +4 more
doaj   +1 more source

Hybrid Precoding for Millimeter Wave RoF Systems [PDF]

open access: yes2020 IEEE 31st Annual International Symposium on Personal, Indoor and Mobile Radio Communications, 2020
<div>Large propagation path loss and limited scattering</div><div>of millimeter wave (mm-wave) channels create new challenges for physical layer signal processing. Hence, in this paper, we propose a photonic hybrid precoding model for mm-wave radio-over-fiber systems that overcomes hardware constraints on radio frequency precoding ...
Yahia Alghorani, Salama Ikki
openaire   +1 more source

Total Cost of Ownership of Digital vs. Analog Radio-Over-Fiber Architectures for 5G Fronthauling

open access: yesIEEE Access, 2020
The article analyzes the total cost of ownership (TCO) of 5G fronthauling solutions based on analog and digital radio-over-fiber (RoF) architectures in cloud radio access networks (C-RANs).
Aleksejs Udalcovs   +6 more
doaj   +1 more source

Roflumilast as a Potential Therapeutic Agent for Cecal Ligation and Puncture-Induced Septic Lung Injury

open access: yesJournal of Investigative Surgery, 2022
Purpose/Aims This study focused on delineating the possible effects of roflumilast (ROF), a selective phosphodiesterase 4 (PDE4) inhibitor, in rats with cecal ligation and puncture (CLP)-induced polymicrobial sepsis, and investigated whether ROF can act ...
Zafer Bayraktutan   +7 more
doaj   +1 more source

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