Browsing NTNU Open by Author "Heegaard, Poul Einar"
Now showing items 41-60 of 92
-
Information Inconsistencies in Smart Distribution Grids under Different Failure Causes modelled by Stochastic Activity Networks
Muka, Romina; Haugli, Fredrik Bakkevig; Vefsnmo, Hanne; Heegaard, Poul Einar (Chapter; Peer reviewed, 2019)The ongoing digitalization of the power distribution grid will improve the operational support and automation which is believed to increase the system reliability. However, in an integrated and interdependent cyber-physical ... -
Intent-based Network Management and Orchestration for Smart Distribution Grids
Mehmood, Kashif; Mendis, Handunneththi V. Kalpanie; Kralevska, Katina; Heegaard, Poul Einar (Chapter, 2021)5G technology complements the enabling of communication services for different vertical industries such as smart distribution grids. Automation is an integral and necessary part of the power distribution grid operation and ... -
Internet Control for Residential Users
Cook, Torgeir Pedersen (Master thesis, 2013)Internet based services have become an important part of our lives, and broadband access has reached the commodity phase in most developed countries. A growing portion of the time spent on-line among younger Internet users ... -
Investigating QoE in a Cloud-Based Classroom Response System: A Real-Life Longitudinal and Cross-Sectional Study of Kahoot!
Underdal, Anlaug Gårdsrud; Sunde, Marthe Thorine (Master thesis, 2014)The goal of this thesis work is to investigate the user-perceived QoE of Kahoot!, a cloud gaming learning platform, designed to be used in classrooms. The general objective of this thesis is to investigate to what extent ... -
Managed Dependability in Interacting Systems
Helvik, Bjarne Emil; Nencioni, Gianfranco; Heegaard, Poul Einar; Wäfler, Jonas (Springer Series in Reliability Engineering;, Chapter; Peer reviewed, 2016)AdigitalICTinfrastructuremustbeconsideredasasystemofsystemsin itself, but also in interaction with other critical infrastructures such as water distributions, transportation (e.g. Intelligent Transport Systems) and Smart ... -
Manufactured by software: SDN-enabled multi-operator composite services with the 5G Exchange
Biczok, Gergely; Dramitinos, Manos; Toka, Lazio; Heegaard, Poul Einar; Lønsethagen, Håkon (Journal article; Peer reviewed, 2017)Foreseen 5G verticals hold the promise of being true value-added services, hence bringing significant income to their respective providers. However, the nature of these verticals are very demanding in terms of both economic ... -
Modeling Interdependencies with Complex Network Theory in a Combined Electrical Power and ICT System
Myhre, Stine Fleischer; Fosso, Olav B; Heegaard, Poul Einar; Gjerde, Oddbjørn; Kjølle, Gerd Hovin (Chapter, 2020)The extensive integration of information and communication technology (ICT) in the future electrical power system transforms the power system to a cyber physical system (CPS), making it a system-of-systems. This new system ... -
Modeling of aggregated IoT traffic and its application to an IoT cloud
Metzger, Florian; Hossfelt, Tobias; Bauer, André; Kounev, Samuel; Heegaard, Poul Einar (Journal article; Peer reviewed, 2019)As the Internet of Things (IoT) continues to gain traction in telecommunication networks, a very large number of devices are expected to be connected and used in the near future. In order to appropriately plan and dimension ... -
Network based QoE Optimization for "Over The Top" Services
Haugene, Kristian; Jacobsen, Alexander (Master thesis, 2011)This report focuses on the quality aspects of media delivery over the Internet. Weinvestigate the constructs of Knowledge Plane, Monitor Plane and Action Planeas controlling functions for the Internet. Our goal is to ... -
A network design algorithm for multicast communication architectures in smart transmission grids
Adrah, Charles Mawutor; Palma, David; Kure, Øivind; Heegaard, Poul Einar (Peer reviewed; Journal article, 2020)In future smart transmission grids, there are distributed applications that will benefit from the deployment of Internet Protocol (IP) multicast technology for communication. Sharing of Routable-Sample Values (R-SV) and ... -
No Silver Bullet: QoE Metrics, QoE Fairness, and User Diversity in the Context of QoE Management
Hossfelt, Tobias; Skorin-Kapov, Lea; Heegaard, Poul Einar; Varela, Martin (Chapter, 2017)Managing QoE is one of the most interesting direct applications of workable QoE models. Indeed, being able to predict how users perceive the quality of a service allows the service provider(s) to optimize its delivery, ... -
Non-markovian survivability assessment model for infrastructure wireless networks
Xie, Lang; Heegaard, Poul Einar; Jiang, Yuming (Journal article; Peer reviewed, 2018)Network design and operation of a mobile network infrastructure, especially its access points, need to consider survivability as a fundamental requirement. Quantifiable approaches to survivability analysis of such ... -
NPT Online Broadband Test Tool
Hansen, Lars-Petter Gunhildsberg; Østhus, Ivar Conradi (Master thesis, 2009)Many broadband subscribers suspect that they do not receive the data rate they are paying for. In order to verify that the broadband connection is compliant with the product purchased, subscribers can go on-line and choose ... -
On Additive and Multiplicative QoS-QoE Models for Multiple QoS Parameters
Hossfelt, Tobias; Skorin-Kapov, Lea; Heegaard, Poul Einar; Varela, Martin; Chen, Kuan-ta (Chapter, 2016)Generic relationships between QoE and QoS have been inten- sively discussed in literature for single QoS parameters and often found to be logarithmic or exponential. While there are many experimental studies investigating ... -
On the Disaster Resiliency within the Context of 5G Networks: The RECODIS Experience
Esposito, Christian; Gouglidis, Antonios; Hutchison, David; Gurtov, Andrei; Helvik, Bjarne Emil; Heegaard, Poul Einar; Rizzo, Gianluca; Rak, Jacek (Chapter, 2018)Network communications and the Internet pervade our daily activities so deeply that we strongly depend on the availability and quality of the services they provide. For this reason, natural and technological disasters, by ... -
Optimal Fairness and Quality in Video Streaming with Multiple Users
Moldovan, Christian; Skorin-Kapov, Lea; Heegaard, Poul Einar; Hossfelt, Tobias (Chapter, 2018)With the majority of video distribution services relying on the HTTP adaptive streaming paradigm, a great deal of research is geared towards developing algorithms and solutions for improving user perceived quality while ... -
Optimization-based Resource Allocation in Cloud Computing
Gullhav, Anders Nordby (Doctoral thesis at NTNU;2016:39, Doctoral thesis, 2016)This thesis considers the resource allocation problem of a cloud service provider (SP), which provides at set of services delivered through the software-as-a-service model. The SP owns and operates a private cloud, but in ... -
Optimizing Handovers in Wireless Neworks Utilizing Extended MIIS Facilities
Khan, Muhammad Qasim (Doctoral Theses at NTNU, 1503-8181; 2012:217, Doctoral thesis, 2012)The most prevailing feature that led to the massive success of current Wireless Mobile Tele-Communication systems, is mobility. Being able to communicate on the go, anywhere and anytime has revolutionized modern day ... -
P2P Video Streaming with HTML5 and WebRTC
Melhus, Martin Kirkholt (Master thesis, 2015)WebRTC provide the possibility of establishing peer-to-peer connections within a web browser, without requiring plug-ins. This suggests that peer- to-peer technology that was previously only available through specialized ... -
Prediksjon av feil i det norske strømnettet
Heistad, Fredrik; Kristensen, William Andreas (Master thesis, 2019)Utviklingen av smartgrid har ført til en enorm vekst i antallet sensorer og smarte målere i strømnettet. Disse enhetene tilgjengeliggjør store mengder data. Samtidig har det de siste årene skjedd store fremskritt innen ...