Results 11 to 20 of about 22,209 (309)
Journal 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
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High-frequency Si/SiGe phototransistor model: Operation on multiple polarization points [PDF]
E3S Web of Conferences, 2022 This article presents the results of our research on the modeling of an HPT SiGe heterojunction phototransistor. Usually this HPTs type work for a single point of polarization in this work, we were interested in modeling the same HPT on different points ...
Diop A.M. +6 more
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Simetris: Jurnal Teknik Mesin, Elektro dan Ilmu Komputer, 2023 Kombinasi Frekuensi Radio dan Fiber Optik telah menghasilkan transmisi berkapasitas tinggi dengan biaya komponen yang lebih rendah dan menjadikan Radio over Fiber sebagai trend komunikasi broadband besar saat ini.
Febrizal Ujang +5 more
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Low power all-digital radio-over-fiber transmission for 28-GHz band using parallel electro-absorption modulators [PDF]
, 2020 We present a low-power all-digital radio-over-fiber transmitter for beyond 28-GHz using sigma-delta modulation, a 140mW NRZ driver and parallel electro-absorption modulators. 5.25Gb/s (2.625Gb/s) 64-QAM is transported over 10-km SSMF at 1560nm with 7.6% (
Bauwelinck, Johan +12 more
core +2 more sources
Optically Powered and Controlled Drones Using Optical Fibers for Airborne Base Stations
Photonics, 2022 Mobile communication services are crucial during emergency disasters and temporary events, and future mobile communication systems should be able to provide such services. Airborne base stations using drones are highly effective as stand-in base stations
Natsuki Shindo +4 more
doaj +1 more source
Fast tunable lasers in radio-over-fiber access networks [PDF]
, 2006 The authors present a novel concept of employing optical wavelength packet switching (WPS) in radio-over-fiber (RoF) access networks. The Central Station is equipped with a fast tunable laser (TL), which is externally modulated with a data signal ...
Barry, Liam P. +3 more
core +1 more source
RoFnet – Reconfigurable Radio over Fiber Network Architecture Overview
Journal of Telecommunications and Information Technology, 2023 This paper introduces the basic operational concepts of the RoFnet – reconfigurable radio over fiber network, which is a project supported by the Portuguese Foundation forScience and Technology.
Maria C. R. Medeiros +8 more
doaj +1 more source
Demonstration of wavelength packet switched radio-over-fiber system [PDF]
, 2007 The authors present a novel concept of employing optical wavelength packet switching in radio-over-fiber access networks. In such a system, the tunable laser (TL) would be employed as a transmitter in the central station. The optical carrier generated by
Barry, Liam P. +3 more
core +1 more source
Analog Radio Over Fiber Aided C-RAN: Optical Aided Beamforming for Multi-User Adaptive MIMO Design
Frontiers in Communications and Networks, 2021 Given the increasing demand for high data-rate, high-performance wireless communications services, the demand on the radio access networks (RAN) has been increasing significantly, where optical fiber has been widely used both for the backhaul and ...
Yichuan Li +4 more
doaj +1 more source
Hybrid OFDM and Radio-Over-Fiber Transport System Based on a Polarization Modulator
IEEE Photonics Journal, 2015 A hybrid orthogonal frequency-division multiplexing (OFDM) and quadruple-frequency radio-over-fiber (RoF) transport system is developed based on colorless optical polarization beam splitters and an optical polarization-arrangement technique.
Ching-Hung Chang +8 more
doaj +1 more source