An adaptive functional split in 5G networks

AM Alba, JHG Velásquez… - IEEE INFOCOM 2019 …, 2019 - ieeexplore.ieee.org
The 5G radio access network (RAN) features a partially centralized architecture, in which a
subset of the network functions are deployed in a centralized unit. Centralizing these …

The city of L'Aquila as a living lab: The INCIPICT project and the 5G trial

C Antonelli, D Cassioli, F Franchi… - 2018 IEEE 5G World …, 2018 - ieeexplore.ieee.org
The city of L'Aquila is one of the five Italian cities selected by the Italian government to host
the 5G experimentation. This city has the specificity of being a" living lab", because it is …

Exploiting flexible functional split in converged software defined access networks

A Marotta, D Cassioli, K Kondepu… - Journal of Optical …, 2019 - opg.optica.org
5G targets to offer a huge network capacity to support the expected unprecedented traffic
growth due mainly to mobile and machine-type services. Thus, the 5G access network has to …

Flexible functional split and power control for energy harvesting cloud radio access networks

L Wang, S Zhou - IEEE Transactions on Wireless …, 2019 - ieeexplore.ieee.org
Functional split is a promising technique to flexibly balance the processing cost at remote
ends and the fronthaul rate in cloud radio access networks (C-RAN). By harvesting …

Understanding the performance of flexible functional split in 5G vRAN Controllers: A Markov Chain-based model

L Diez, C Hervella, R Agüero - IEEE Transactions on Network …, 2020 - ieeexplore.ieee.org
We study Flexible Functional Split functionality of 5G vRAN controllers in 5G networks. We
propose an innovative model, based on a Markov Chain, which can be used to characterize …

Latency performance analysis of low layers function split for URLLC applications in 5G networks

Y Alfadhli, YW Chen, S Liu, S Shen, S Yao, D Guidotti… - Computer Networks, 2019 - Elsevier
In 4G cloud radio access networks (C-RAN), latency at the mobile fronthaul was conceived
mainly as a limiting factor of the fronthaul length. As long as fronthaul latency is not leading …

Flexible functional split and fronthaul delay: A queuing-based model

L Diez, AM Alba, W Kellerer, R Agüero - IEEE Access, 2021 - ieeexplore.ieee.org
We study the delay over virtual RAN (vRAN) topologies, entailing base stations that are
divided into centralized and distributed units, as well as the packet-switched fronthaul …

Flexible RAN: Combining dynamic baseband split selection and reconfigurable optical transport to optimize RAN performance

Y Li, J Martensson, B Skubic, Y Zhao, J Zhang… - IEEE …, 2020 - ieeexplore.ieee.org
The introduction of functional splits in C-RANs brings a tradeoff between radio performance
and transport capacity. Higher-layer splits relax transport capacity requirements, whereas …

Delay-aware admission control and beam allocation for 5G functional split enhanced millimeter wave wireless fronthaul networks

CH Fang, LH Shen, TP Huang… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
In this paper, we study a delay-aware admission control (AC) and beam allocation (BA)
problem with the consideration of quality of experience (QoE) and dynamic variation of …

Joint route selection and split level management for 5G C-RAN

CC Erazo-Agredo, M Garza-Fabre… - … on Network and …, 2021 - ieeexplore.ieee.org
This work tackles the problem faced by network/infrastructure providers of jointly selecting
routing and functional split level to satisfy requests from virtual mobile network operators …