scholarly journals Optical Network Technologies and Architectures for Backhaul/Fronthaul of Future Radio Access supporting Big Mobile Data

2014 ◽  
Author(s):  
Yukihiko Okumura ◽  
Jun Terada
Keyword(s):  
Optical Network ◽  
Mobile Data ◽  
Radio Access ◽  
Network Technologies

scholarly journals Machine Learning Classification and Regression Approaches for Optical Network Traffic Prediction

Electronics ◽  
2021 ◽  
Vol 10 (13) ◽  
pp. 1578
Author(s):  
Daniel Szostak ◽  
Adam Włodarczyk ◽  
Krzysztof Walkowiak
Keyword(s):  
Machine Learning ◽  
Optical Networks ◽  
Network Traffic ◽  
Optical Network ◽  
Optimization Methods ◽  
Supervised Machine Learning ◽  
Traffic Prediction ◽  
Machine Learning Classification ◽  
Classification And Regression ◽  
Network Technologies

Rapid growth of network traffic causes the need for the development of new network technologies. Artificial intelligence provides suitable tools to improve currently used network optimization methods. In this paper, we propose a procedure for network traffic prediction. Based on optical networks’ (and other network technologies) characteristics, we focus on the prediction of fixed bitrate levels called traffic levels. We develop and evaluate two approaches based on different supervised machine learning (ML) methods—classification and regression. We examine four different ML models with various selected features. The tested datasets are based on real traffic patterns provided by the Seattle Internet Exchange Point (SIX). Obtained results are analyzed using a new quality metric, which allows researchers to find the best forecasting algorithm in terms of network resources usage and operational costs. Our research shows that regression provides better results than classification in case of all analyzed datasets. Additionally, the final choice of the most appropriate ML algorithm and model should depend on the network operator expectations.

QoS Performance of Integrated Hybrid Optical Network in Mobile Fronthual Networks

2017 ◽  
Vol 7 (1) ◽  
pp. 189 ◽  
Author(s):  
Dawit Hadush Hailu
Keyword(s):  
Optical Network ◽  
Access Network ◽  
Mobile Network ◽  
Separation Distance ◽  
Link Length ◽  
Cloud Radio Access Network ◽  
Radio Access ◽  
Ethernet Network ◽  
Qos Performance ◽  
Guaranteed Service

<p>Cloud Radio Access Network (C-RAN) has emerged as a promising solution to meet the ever-growing capacity demand and reduce the cost of mobile network components. In such network, the mobile operator’s Remote Radio Head (RRH) and Base Band Unit (BBU) are often separated and the connection between them has very tight timing and latency requirements. To employ packet-based network for C-RAN fronthaul, the carried fronthaul traffic are needed to achieve the requirements of fronthaul streams. For this reason, the aim of this paper is focused on investigating and evaluating the feasibility of Integrated Hybrid Optical Network (IHON) networks for mobile fronthaul. TransPacket AS (www.transpacket.com) develops a fusion switching that efficiently serves both Guaranteed Service Transport (GST) traffic with absolute priority and packet switched Statistical Multiplexing (SM) best effort traffic. We verified how the leftover capacity of fusion node can be used to carry the low priority packets and how the GST traffic can have deterministic characteristics on a single wavelength by delaying it with Fixed Delay Line (FDL). For example, for L<sub>1GE </sub><sup>SM</sup> =0.3 the added SM traffic increases the 10GE wavelength utilization up to 89% without any losses and with SM PLR=1E<sup>-03</sup> up to 92% utilization. The simulated results and numerical analysis confirm that the PDV and PLR of GST traffic in Ethernet network meet the requirements of mobile fronthaul using CPRI. For Ethernet network, the number of nodes in the network limits the maximum separation distance between BBU and RRH (link length); for increasing the number of nodes, the link length decreases. Consequently, Radio over Ethernet (RoE) traffic should receive the priority and Quality of Service (QoS) HP can provide. On the other hand, Low Priority (LP) classes are not sensitive to QoS metrics and should be used for transporting time insensitive applications and services.</p>

Resilient optical network technologies for Catastrophic Disasters

2016 ◽  
Author(s):  
Yoshinari Awaji ◽  
Hideaki Furukawa ◽  
Sugang Xu ◽  
Masaki Shiraiwa ◽  
Naoya Wada ◽  
...  
Keyword(s):  
Optical Network ◽  
Network Technologies

Energy Efficient Optical Network – An Implementation Perspective Survey

2012 ◽  
Vol 524-527 ◽  
pp. 2545-2548
Author(s):  
Jian Hua Shen ◽  
Xin Ran Shi ◽  
Ji Xiang Lin ◽  
Jian Chen
Keyword(s):  
Information And Communication Technology ◽  
Communication Technology ◽  
Energy Efficient ◽  
Optical Network ◽  
Efficient Solutions ◽  
Burst Switching ◽  
Information And Communication ◽  
Energy Consumptions ◽  
Multiple Granularity ◽  
Network Technologies

Due to the fast growth of energy consumption in modern industry especially the Information and Communication Technology (ICT) society, many attentions are focused on better energy efficient solutions. In this paper, we provide an implementation perspective survey on employed optical network technologies’ power consumption features. We investigate major techniques of current optical network and corresponding energy consumptions. Some promising techniques are proposed including burst switching, multiple granularity traffic grooming, unified control plane and Green PON to achieve energy efficiency.

scholarly journals RODENT: a flexible TOPSIS based routing protocol for multi-technology devices in wireless sensor networks

2021 ◽  
Vol 2 (1) ◽  
pp. 89-100
Author(s):  
Nathalie Mitton ◽  
Brandon Foubert
Keyword(s):  
Wireless Sensor Networks ◽  
Sensor Networks ◽  
Energy Savings ◽  
Wireless Sensor ◽  
Radio Access ◽  
Multiple Data ◽  
Functional Prototype ◽  
Network Technologies ◽  
Data Requirements ◽  
Selection Of

Wireless Sensor Networks (WSN) are efficient tools for many use cases, such as environmental monitoring. However WSN deployment is sometimes limited by the characteristics of the Radio Access Technologies (RATs) they use. To overcome some of these limitations, we propose to leverage the use of a Multiple Technologies Network (MTN). What we refer to as MTN is a network composed of nodes which are able to use several RAT and communicating wirelessly through multi-hop paths. The management of the RAT and routes must be handled by the nodes themselves, in a local and distributed way, with a suitable communication protocol stack. Nodes may reach multiple neighbors over multiple RAT. Therefore, each stack's layer has to take the technologies' heterogeneity of the devices into account. In this article, we introduce our custom Routing Over Different Existing Network Technologies protocol (RODENT), designed for MTN. It enables dynamic (re)selection of the best route and RAT based on the data type and requirements that may evolve over time, potentially mixing each technology over a single path. RODENT relies on a multi-criteria route selection performed with a custom lightweight TOPSIS method. To assess RODENT's performances, we implemented a functional prototype on real WSN hardware, Pycom FiPy devices. Unlike related prototypes, ours has the advantage not to rely on specific infrastructure on the operator's side. Results show that RODENT enables energy savings, an increased coverage as well as multiple data requirements support.

scholarly journals Optical Network Technologies for Future Digital Cinema

2016 ◽  
Vol 2016 ◽  
pp. 1-8
Author(s):  
Sajid Nazir ◽  
Mohammad Kaleem
Keyword(s):  
Video Compression ◽  
Information Flow ◽  
Optical Communications ◽  
Digital Technology ◽  
State Of The Art ◽  
Optical Network ◽  
Work Flow ◽  
Numerous Application ◽  
Digital Cinema ◽  
Network Technologies

Digital technology has transformed the information flow and support infrastructure for numerous application domains, such as cellular communications. Cinematography, traditionally, a film based medium, has embraced digital technology leading to innovative transformations in its work flow. Digital cinema supports transmission of high resolution content enabled by the latest advancements in optical communications and video compression. In this paper we provide a survey of the optical network technologies for supporting this bandwidth intensive traffic class. We also highlight the significance and benefits of the state of the art in optical technologies that support the digital cinema work flow.

scholarly journals Provisioning 1 Gb/s symmetrical services with next-generation passive optical network technologies

2016 ◽  
Vol 54 (2) ◽  
pp. 72-77 ◽  
Author(s):  
Rafael Sanchez ◽  
Jose Alberto Hernandez ◽  
Julio Montalvo Garcia ◽  
David Larrabeiti
Keyword(s):  
Optical Network ◽  
Passive Optical Network ◽  
Next Generation ◽  
Network Technologies
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