scholarly journals Fronthaul for Cloud-RAN Enabling Network Slicing in 5G Mobile Networks

2018 ◽  
Vol 2018 ◽  
pp. 1-8 ◽  
Author(s):  
Line M. P. Larsen ◽  
Michael S. Berger ◽  
Henrik L. Christiansen
Keyword(s):  
Mobile Networks ◽  
Network Architecture ◽  
Network Virtualization ◽  
Access Network ◽  
Network Slicing ◽  
Cloud Radio Access Network ◽  
Radio Access ◽  
A Minor ◽  
Cloud Ran ◽  
5G Mobile Networks

This work considers how network slicing can use the network architecture Cloud-Radio Access Network (C-RAN) as an enabler for the required prerequisite network virtualization. Specifically this work looks at a segment of the C-RAN architecture called the fronthaul network. The fronthaul network required for network slicing needs to be able to dynamically assign capacity where it is needed. Deploying a fronthaul network faces a trade-off between fronthaul bitrate, flexibility, and complexity of the local equipment close to the user. This work relates the challenges currently faced in C-RAN research to the network requirements in network slicing. It also shows how using a packet-switched fronthaul for network slicing will bring great advantages and enable the use of different functional splits, while the price to pay is a minor decrease in fronthaul length due to latency constraints.

Energy Efficiency in the Cloud Radio Access Network ( C‐RAN ) for 5G Mobile Networks

2019 ◽  
pp. 225-248
Author(s):  
Isiaka Ajewale Alimi ◽  
Abdelgader M. Abdalla ◽  
Akeem Olapade Mufutau ◽  
Fernando Pereira Guiomar ◽  
Ifiok Otung ◽  
...  
Keyword(s):  
Energy Efficiency ◽  
Mobile Networks ◽  
Access Network ◽  
Radio Access Network ◽  
Cloud Radio Access Network ◽  
Radio Access ◽  
5G Mobile Networks

scholarly journals C Ran Towards 5g Networks in Virtual Environment

2018 ◽  
Vol 7 (2.7) ◽  
pp. 441
Author(s):  
K R.R Mohan ◽  
G Vennela ◽  
M Sai Kumar ◽  
Ch Satya Srinivas ◽  
A Harsha
Keyword(s):  
Mobile Networks ◽  
Network Architecture ◽  
Virtual Machines ◽  
Access Network ◽  
Mobile Network ◽  
5G Networks ◽  
Cloud Radio Access Network ◽  
Radio Access ◽  
5G Systems ◽  
Current Systems

Cloud radio access network is an adaptable mobile network architecture with exponential development of portable traffic and the prerequisites of up and coming administrations are further pushing the cut-off points on current versatile systems; subsequently, overall research interests have moved toward 5G world that view which can address many challenges that mobile operators confront while attempting to support ever-growing end-user’s needs towards 5th generation of mobile networks. Be that as it may, 5G systems are most certainly not to be sent until 2020; subsequently, there is a requirement for answers for address expanding requests of current systems, without acquiring colossal expenses on administrators. This paper proposes on-request organization of portable little cells, utilizing either client versatile handsets or remote radio units and non-aware power utilization of different hosts and virtual machines.  

scholarly journals Slicing the Core Network and Radio Access Network Domains through Intent-Based Networking for 5G Networks

Electronics ◽  
2020 ◽  
Vol 9 (10) ◽  
pp. 1710
Author(s):  
Khizar Abbas ◽  
Muhammad Afaq ◽  
Talha Ahmed Khan ◽  
Adeel Rafiq ◽  
Wang-Cheol Song
Keyword(s):  
Network Virtualization ◽  
Access Network ◽  
Automated System ◽  
Core Network ◽  
Network Slicing ◽  
Radio Access Network ◽  
The Core ◽  
Radio Access ◽  
Wide Range ◽  
Physical Infrastructure

The fifth-generation mobile network presents a wide range of services which have different requirements in terms of performance, bandwidth, reliability, and latency. The legacy networks are not capable to handle these diverse services with the same physical infrastructure. In this way, network virtualization presents a reliable solution named network slicing that supports service heterogeneity and provides differentiated resources to each service. Network slicing enables network operators to create multiple logical networks over a common physical infrastructure. In this research article, we have designed and implemented an intent-based network slicing system that can slice and manage the core network and radio access network (RAN) resources efficiently. It is an automated system, where users just need to provide higher-level network configurations in the form of intents/contracts for a network slice, and in return, our system deploys and configures the requested resources accordingly. Further, our system grants the automation of the network configurations process and reduces the manual effort. It has an intent-based networking (IBN) tool which can control, manage, and monitor the network slice resources properly. Moreover, a deep learning model, the generative adversarial neural network (GAN), has been used for the management of network resources. Several tests have been carried out with our system by creating three slices, which shows better performance in terms of bandwidth and latency.

A Scalable and Flexible Radio Access Network Architecture for Fifth Generation Mobile Networks

2016 ◽  
Vol 54 (11) ◽  
pp. 16-23 ◽  
Author(s):  
Andreas Maeder ◽  
Amaanat Ali ◽  
Anand Bedekar ◽  
Andrea F. Cattoni ◽  
Devaki Chandramouli ◽  
...  
Keyword(s):  
Mobile Networks ◽  
Network Architecture ◽  
Access Network ◽  
Radio Access Network ◽  
Fifth Generation ◽  
Radio Access ◽  
Flexible Radio

scholarly journals A Cloud RAN Architecture for LoRa

2020 ◽  
Author(s):  
Christophe Delacourt ◽  
Patrick Savelli ◽  
Vincent Savaux
Keyword(s):  
Performance Indicator ◽  
Access Network ◽  
The Other ◽  
Analog To Digital ◽  
Cloud Radio Access Network ◽  
Radio Access ◽  
Analog To Digital Conversion ◽  
Analog Part ◽  
Network Functions ◽  
Cloud Ran

This paper deals with a cloud radio access network (CRAN)<br>architecture for the LoRa system. In the suggested design,<br>the gateway embeds a limited remote radio head (RRH),<br>including the analog radio-frequency (RF) analog part, the<br>digital-to-analog and analog-to-digital conversion, and a<br>digital front-end (DFE). The other LoRa network functions,<br>including the physical (PHY) layer, the LoRaWAN medium<br>access control (MAC) layer, and the application and customer<br>servers are implemented as cloud resources. The<br>presented approach leads to a flexible RAN that is robust<br>to the variations of capacity needs. Furthermore, it allows<br>us to test very specific LoRa features, such as the detection<br>or demodulation, while bypassing the other ones including<br>the hardware RRH. The methodology and tools we<br>used to deploy a LoRa cloud RAN are detailed, and results<br>concerning the performance indicator (CPU load, memory<br>consumption) are provided as well.

scholarly journals Signalling load reduction in 5G network based on cloud radio access network architecture

2021 ◽  
Vol 11 (6) ◽  
pp. 5127
Author(s):  
Mohammed Abbas Waheed ◽  
Azzad Bader Saeed ◽  
Thanaa Hussein Abd
Keyword(s):  
Network Architecture ◽  
Access Network ◽  
Base Stations ◽  
Core Network ◽  
Matlab Simulation ◽  
Traditional Architecture ◽  
Radio Access Network ◽  
Cloud Radio Access Network ◽  
Radio Access ◽  
Novel Approach

The rapid growth of both mobile users and application numbers has caused a huge load on the core network (CN). This is attributed to the large numbers of control messages circulating between CN entities for each communication or service request, however, making it imperative to develop innovative designs to handle this load. Consequently, a variety of proposed architectures, including a software defined network (SDN) paradigm focused on the separation of control and data plans, have been implemented to make networks more flexible. Cloud radio access network (C-RAN) architecture has been suggested for this purpose, which is based on separating base band units (BBU) from several base stations and assembling these in one place. In this work, a novel approach to realize this process is based on SDN and C-RAN, which also distributes the control elements of the CN and locates them alongside the BBU to obtain the lowest possible load. The performance of this proposed architecture was evaluated against traditional architecture using MATLAB simulation, and. the results of this assessment indicated a major reduction in signalling load as compared to that seen in the traditional architecture. Overall, the number of signalling messages exchanged between control entities was decreased by 53.19 percent as compared to that seen in the existing architecture.

scholarly journals Towards 5G — Cloud-based Radio Access Networks

2017 ◽  
pp. 1-1
Author(s):  
Sławomir Gajewski
Keyword(s):  
Network Architecture ◽  
Access Network ◽  
General Concept ◽  
Cloud Radio Access Network ◽  
Radio Access ◽  
Public Networks ◽  
Resource Virtualization ◽  
5G Network ◽  
Innovative Solutions ◽  
System Requirements

In the paper a general concept of the 5G network architecture is presented as well as system requirements having impact on innovative solutions in the 5G network are highlighted. A major part of the paper is both presentation and discussion of the problem of Cloud Radio Access Network introduction for public networks in which the cell and resource virtualisation will be implemented. On the other hand, the problem of resource virtualization in the STRUGA system is discussed in which the C-RAN implementation is proposed for performance improvement.

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