Results 31 to 40 of about 4,370 (221)

Digital Signal Processing for High‐Speed THz Communications

Chinese Journal of Electronics, Volume 31, Issue 3, Page 534-546, May 2022., 2022
The use of advanced digital signal processing (DSP) technology in the high‐speed terahertz (THz) communication can effectively compensate the linear and nonlinear effects of the system and further improve the transmission performance of the system.
Jianjun YU, Yi WEI
wiley   +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., Connolly, Eoin M., Kaszubowska-Anandarajah, Aleksandra, McDonald, David   +3 more
core   +1 more source

Controlling Rayleigh-Backscattering-Induced Distortion in Radio over Fiber Systems for Radioastronomic Applications [PDF]

, 2020
Radio over Fiber (RoF) Systems exploiting a direct modulation of the laser source are presently utilized within important Radioastronomic scenarios. Due to the particular operating conditions of some of these realizations, the phenomena which typically ...
Giovannini, Andrea, Hadi, Muhammad Usman, Lenzi, Enrico, Monari, Jader, Nanni, Jacopo, Perini, Federico, Rusticelli, Simone, Tartarini, Giovanni, Wayth, Randall   +8 more
core   +2 more sources

Mitigation of nonlinearities in analog radio over fiber links using machine learning approach

ICT Express, 2021
Machine learning (ML) techniques are looked upon as an innovative and realistic direction to cope up with nonlinearity issues in fiber optics communication.
Muhammad Usman Hadi
doaj   +1 more source

Experimental realization of multi-service RoF system using OCS-PolMux techniques [PDF]

, 2017
Optical Carrier Suppression has been proven as an efficient way of generating high frequency optical carrier for Radio over Fiber (RoF) systems. However, previous studies show that OCS with the combination of RF and optical components can only transmit a
Abdul Fatah, Mohd Faiz Aizad, Ahmad Anas, Siti Barirah, Kanesan, Thavamaran, Maskuriy, Farha, Mohamad Nor, Mohd Hafiz, Yusof, Ashaari   +5 more
core   +1 more source

Tunable microwave signal generator with an optically-injected 1310nm QD-DFB laser [PDF]

, 2013
Tunable microwave signal generation with frequencies ranging from below 1 GHz to values over 40 GHz is demonstrated experimentally with a 1310nm Quantum Dot (QD) Distributed-Feedback (DFB) laser. Microwave signal generation is achieved using the period 1
Antonio Hurtado, Bhattacharya, Carpintero, Chan, Chan, Erneux, Fice, Hurtado, Hurtado, Ian D. Henning, Jesse Mee, Juan, Liu, Luke F. Lester, Michael J. Adams, Mohsen Nami, Newell, Pochet, Pochet, Qi, Quirce, Sooudi, Su, Su, Wieczorek, Yamamoto   +25 more
core   +1 more source

FTTH and Two-Band RoF Transport Systems Based on an Optical Carrier and Colorless Wavelength Separators

IEEE Photonics Journal, 2016
A hybrid fiber-to-the-home (FTTH) and radio-over-fiber (RoF) transport system is proposed to transmit one wired signal and two wireless signals simultaneously through an optical lightwave.
C. H. Chang, P. C. Peng, Q. Huang, W. Y. Yang, H. L. Hu, W. C. Wu, J. H. Huang, C. Y. Li, H. H. Lu, H. H. Yee   +9 more
doaj   +1 more source

Characterization of wavelength interleaving in radio-over-fiber systems employing WDM/SCM [PDF]

, 2006
A radio-over-fiber (RoF) distribution system incorporating both sub-carrier multiplexing and wavelength division multiplexing (WDM) technologies is presented. This signal is directly modulated onto three high-speed lasers.
A. Kaszubowska, Gliese, Kaszubowska, L.P. Barry, Ling Hu, Marra, P. Anandarajah, Smith, Smith, Stohr, Tonguz   +10 more
core   +1 more source

Digital coherent receiver for phase modulated radio-over-fibre optical links [PDF]

, 2009
A novel digital signal processing-based coherent receiver for phase-modulated radio-over-fiber (RoF) optical links is presented and demonstrated experimentally.
Jeppesen, Palle, Peucheret, Christophe, Tafur Monroy, Idelfonso, Yu, Xianbin, Zibar, Darko   +4 more
core   +1 more source

Remote downconversion scheme for uplink configuration in radio/fiber systems [PDF]

, 2005
The authors present a novel technology for uplink transmission in radio over fiber (RoF) distribution systems. The technique employs remote downconversion of the uplink data to intermediate frequency (IF) in the base station (BS).
Barry, Liam P., Kaszubowska-Anandarajah, Aleksandra   +1 more
core   +1 more source