Prohlížení Publikační činnost ČVUT dle autora "Ortega B."
-
Experimental photonic 40 - 90 GHz millimetre-wave signal generation and 10 Gb/s 32-QAM signal transmission over hybrid fiber/FSO 5G networks
Autor: Vallejo L.; Ortega B.; Bohata J.; Zvánovec S.; Almenar A.
(IEEE, 2019)We experimentally demonstrate photonic millimetre wave signal generation and distribution over hybrid networks based on wired and wireless links. Optical frequency multiplication based on carrier-suppressed modulation has ... -
M-QAM transmission over hybrid microwave photonic links at the K-band
Autor: Nguyen Dong N.; Bohata J.; Spáčil J.; Dousek D.; Komanec M.; Zvánovec S.; Ghassemlooy Z.; Ortega B.
(Optical Society of America, 2019)Two experimental configurations of a hybrid K-band (25 GHz) microwave photonic link (MPL) are investigated for seamless broadband wireless access networks. Experimental configurations consist of optical fiber, free-space ... -
Optical Hybrid Fiber/Free-Space and 25 GHz Wireless Transmission using LTE M-QAM Signals
Autor: Nguyen Dong N.; Bohata J.; Komanec M.; Zvánovec S.; Ortega B.; Ghassemlooy Z.
(Instituto de Telecomunicaçoes - Lisboa, 2019)We experimentally demonstrate a seamless hybrid transmission of radio-over-fiber (RoF), radio-over-free-space optics (RoFSO) and millimeter wave wireless link using long-term evolution (LTE) 4/16/64-QAM signals for broadband ... -
Radio over 50 km Fiber and Joint 80 m FSO/Wireless Links Using Photonic Frequency Doubling for 5G
Autor: Bohata J.; Spáčil J.; Nguyen Dong N.; Zvánovec S.; Vallejo L.; Ortega B.
(American Institute of Physics and Magnetic Society of the IEEE, 2019)We present the experimental demonstration of photonic doubling to achieve 25 GHz millimeter wave signal generation, following the 5th generation network frequency band recommendations. A hybrid optical network combining ... -
Seamless 25 GHz Transmission of LTE 4/16/64-QAM Signals Over Hybrid SMF/FSO and Wireless Link
Autor: Nguyen Dong N.; Bohata J.; Komanec M.; Zvánovec S.; Ortega B.; Ghassemlooy Z.
(IEEE LEOS JLT Editorial Office, 2019)We propose and experimentally demonstrate a photonics-assisted converged radio-over-fiber (RoF), radio-over-free-space optics (RoFSO) and millimeter-wave (MMW) wireless transmission system for use in broadband wireless ...