Results 251 to 260 of about 29,221 (286)

Fronthaul links based on Analog Radio over Fiber [PDF]

2019 European Conference on Networks and Communications (EuCNC), 2019
Current Information and Communication Technology systems are nowadays close to a ‘capacity crunch’ as global IP traffic increases. This problem will be particularly important in the Mobile Fronthaul. This scenario is driving the search for new multiplexing techniques that could solve short-term bandwidth problems and provide a good scalability in the ...
Diego Pérez-Galacho, Demetrio Sartiano, Salvador Sales 0001   +2 more
openaire   +2 more sources

Intelligent Analog Radio Over Fiber aided C-RAN for Mitigating Nonlinearity and Improving Robustness [PDF]

2022 IEEE Symposium on Computers and Communications (ISCC), 2022
As a low-cost solution for the 5G communication system, centralised radio access network (C-RAN) has been implemented in the ultra-dense environment, where radio over fiber (RoF) technology can enable reduced operational cost as well as coordinated multi-point (CoMP) despite its less robustness and reduced system performance. On the other hand, machine
Li, Yichuan, El-Hajjar, Mohammed
openaire   +1 more source

Some of the next articles are maybe not open access.

Related searches:

Analog radio-over-fiber solutions in support of 5G

2018 International Conference on Optical Network Design and Modeling (ONDM), 2018
We introduce Centralized (C-RAN) architectures combined with analog optical transport schemes to realize high-speed lanes between BBU pool and RRHs. The DSP-enabled architecture relies on the use of a powerful digital engine supporting data plane functions for both fiber-wireless parts.
Dimi Apostolopoulos, Giannis Giannoulis, Nikolaos Argyris 0002, Nikolaos Iliadis, Konstantina Kanta, Hercules Avramopoulos   +5 more
openaire   +1 more source

Spin-VCSELs for analog radio-over-fiber systems in 5G and beyond

Spintronics XIV, 2021
We investigate the applicability of spin-controlled vertical-cavity surface-emitting lasers (spin-VCSELs) for optical transmitters in analog radio-over-fiber systems by using spin-flip rate equations. In addition to the current modulation for generating orthogonal frequency division multiplexing (OFDM) signals, we use the spin polarization modulation ...
Nobuhide Yokota, Kazuhiro Ikeda, Hiroshi Yasaka   +2 more
openaire   +1 more source

Spin-Injected Birefringent VCSELs for Analog Radio-Over-Fiber Systems

IEEE Photonics Technology Letters, 2021
We propose and numerically investigate the use of birefringent vertical-cavity surface-emitting lasers (VCSELs) under the injection and modulation of spin polarized electrons for application to analog radio over fiber (RoF) systems. Injection current and electron spin polarization in a birefringent VCSEL are individually modulated for generating data ...
Nobuhide Yokota, Kazuhiro Ikeda, Hiroshi Yasaka   +2 more
openaire   +1 more source

Analog receiver for coherent optical analog radio-over-fiber transmission

Optics Letters, 2017
A receiver for low-cost coherent optical applications is presented. Conceptual simplicity is guaranteed through the use of a monolithic integrated externally modulated laser. Local oscillators and fast photodetectors are provided by the distributed feedback section and electro-absorption modulator of the monolithic laser. The injection-locking feature,
Bernhard, Schrenk, Markus, Hofer, Thomas, Zemen   +2 more
openaire   +2 more sources

Analog laser predistortion for multiservice radio-over-fiber systems

Journal of Lightwave Technology, 2003
We have developed some low-cost predistortion circuits to compensate second- and third-order laser distortions in multiservice radio-over-fiber industrial systems. Depending on the predistorter configuration implemented, average reductions of 10-15 dB and of 8-10 dB have been observed in the laser second- and third-order distortions, respectively ...
ROSELLI, Luca, BORGIONI, VALERIA, ZEPPARELLI, Fabio, F. Ambrosi, COMEZ, MATTEO, P. Faccin, A. Casini   +6 more
openaire   +1 more source

Linearized Electro-Optical Modulation for Analog Radio over Fiber

Fiber and Integrated Optics, 2018
ABSTRACTIntermodulation distortion (IMD) in Analog Radio-over-Fiber (a-RoF) poses a severe limitation to achievable error-free transmission. In this work, an optical feed-forward linearization scheme is presented and compared to an electrical pre-distortion solution.
Luis Ernesto Ynoquio Herrera, Renata Goldman Leibel, Gustavo Castro do Amaral, Patryk Jay Urban, Jean Pierre von der Weid   +4 more
openaire   +1 more source

Analog Radio-over-Fiber 5G Fronthaul Systems: blueSPACE and 5G-PHOS Projects Convergence

2019 European Conference on Networks and Communications (EuCNC), 2019
The fifth generation (5G) mobile systems can be considered the way to ubiquitous Internet, pervasive computing paradigm, and a revolution in industries like automotive, media and entertainment, and eHealth. New 5G fronthaul systems based on centralized radio access networks will eventually use technology enablers such as reconfigurable optical add-drop
Thiago R. Raddo, Simon Rommel, Idelfonso Tafur Monroy, Christos Vagionas, George Kalfas, Nikos Pleros   +5 more
openaire   +3 more sources

Analog Radio-over-Fiber Solutions for 5G Communications in the Beyond-CPRI Era

2018 20th International Conference on Transparent Optical Networks (ICTON), 2018
Current research efforts on 5G RAN strongly focus on pico-cells deployment based on mmWave radio, optical/wireless convergence to support massive-MIMO and a cloud-centric operation of BBUs. Industrial and academic institutions concur that it is of great importance to develop evolutional paradigms that ensure the functional combination of the above ...
Giannis Giannoulis, Nikos Argyris 0002, Nikos Iliadis, Giannis Poulopoulos, Konstantina Kanta, Dimitrios Apostolopoulos, Hercules Avramopoulos   +6 more
openaire   +1 more source