Results 11 to 20 of about 1,118 (191)

Cell-Free UAV Networks With Wireless Fronthaul: Analysis and Optimization

IEEE Transactions on Wireless Communications
The use of uncrewed aerial vehicles (UAVs) in cell-free networks is poised to unleash a number of new opportunities to further improve wireless networks. However, cell-free UAV networks present major challenges related to the wireless nature of access and fronthaul links.
Carles Diaz-Vilor, Angel Lozano, Hamid Jafarkhani   +2 more
exaly   +4 more sources

Fronthaul-Aware Software-Defined Wireless Networks: Resource Allocation and User Scheduling

IEEE Transactions on Wireless Communications, 2018
Software-defined networking (SDN) provides an agile and programmable way to optimize radio access networks via a control-data plane separation. Nevertheless, reaping the benefits of wireless SDN hinges on making optimal use of the limited wireless fronthaul capacity.
Chen-Feng Liu, Sumudu Samarakoon, Mehdi Bennis   +2 more
exaly   +6 more sources

Performance demonstration of fiber and wireless fronthaul combination with remote powering [PDF]

Optical Fiber Communication Conference, 2016
An architecture combining optical fiber and wireless fronthaul is introduced. Tests have been performed on a LTE fronthaul link measuring the impact of this combination on EVM, jitter and frequency accuracy.
Tayq, Z., Chanclou, P., Diallo, T., Grzybowski, K., Saliou, F., Gosselin, S., Foucault, O., Aupetit, C., Bellot, L., Boukour, T., Plumecoq, J.C., Sayed, J.   +11 more
openaire   +3 more sources

On the QKD Integration in Converged Fiber/Wireless Topologies for Secured, Low-Latency 5G/B5G Fronthaul

Applied Sciences, 2020
A research contribution focusing on the Quantum Key Distribution (QKD)-enabled solutions assisting in the security framework of an optical 5G fronthaul segment is presented.
Dimitris Zavitsanos, Argiris Ntanos, Giannis Giannoulis, Hercules Avramopoulos   +3 more
doaj   +2 more sources

The Optical Fiber and mmWave Wireless Convergence for 5G Fronthaul Networks [PDF]

2019 IEEE 2nd 5G World Forum (5GWF), 2019
The most radical evolution in recent mobile communication technology is imminent in the coming years. The fronthaul network architecture is part of this evolution and is expected to support dense deployment of infrastructure to provide increased bandwidth and ultra-low latency for 5th generation (5G) networks in a cost-effective manner.
Thiago R. Raddo, Simon Rommel, Bruno Cimoli, Idelfonso Tafur Monroy   +3 more
openaire   +4 more sources

Next Generation Fiber-Wireless Fronthaul for 5G mmWave Networks [PDF]

IEEE Communications Magazine, 2019
mmWave radio, although instrumental for achieving the required 5G capacity KPIs, necessitates the need for a very large number of access points, which places an immense strain on the current network infrastructure. In this article, we try to identify the major challenges that inhibit the design of the Next Generation Fronthaul Interface in two upcoming
George Kalfas, Christos Vagionas, Angelos Antonopoulos 0001, Elli Kartsakli, Agapi Mesodiakaki, Sotirios Papaioannou 0001, Pavlos Maniotis, John S. Vardakas, Christos V. Verikoukis, Nikos Pleros   +9 more
openaire   +3 more sources

Integrating Optical and Wireless Techniques towards Novel Fronthaul and Access Architectures in a 5G NR Framework

Applied Sciences (Switzerland), 2021
The fifth-generation of mobile network (5G) and beyond requires a radio access network (RAN) update in order to cope with the incoming increase of wireless data traffic and new applications.
Ramon Maia Borges, Matheus Seda Borsato Cunha, Luciano Camilo Alexandre   +2 more
exaly   +3 more sources

Design of Wireless Fronthaul With mmWave LOS-MIMO and Sample-Level Coding for O-RAN and Beyond 5G Systems

IEEE Open Journal of the Communications Society, 2023
This paper proposes novel designs of line-of-sight multiple-input multiple-output (LOS-MIMO) and a unique sample-level coding scheme for wireless fronthaul (WFH) deployment in Open Radio Access Network (O-RAN) and beyond the fifth-generation (5G) systems.
Juergen Cezanne, Meilong Jiang, Ori Shental, Ahmed M. Bedewy, Ashwin Sampath, Ozge Koymen, Junyi Li   +6 more
doaj   +2 more sources

Integrated optical frequency comb for 5G NR Xhauls [PDF]

Scientific Reports, 2022
We experimentally demonstrate the use of optical frequency combs (OFCs), generated by a photonic integrated circuit (PIC), in a flexible optical distribution network based on fiber-optics and free-space optics (FSOs) links, aimed at the fifth generation ...
Eduardo Saia Lima, Ramon Maia Borges, Nicola Andriolli, Evandro Conforti, Giampiero Contestabile, Arismar Cerqueira Sodré   +5 more
doaj   +2 more sources

Harnessing Free Space Optics for Efficient 6G Fronthaul Networks: Challenges and Opportunities

Engineering Reports
As standardization work is ongoing for the upcoming sixth generation of cellular networking (6G), exploring new technologies for low‐latency, high‐bandwidth fronthauling technologies becomes a crucial aspect for the overall system performance. Free space
Abdulhalim Fayad, István Pelle, Tibor Cinkler, Balázs Sonkoly   +3 more
doaj   +2 more sources