• 5G Network Slice Isolation with WireGuard and Open Source MANO: A VPNaaS Proof-of-Concept 

      Haga, Simen; Esmaeily, Ali; Kralevska, Katina; Gligoroski, Danilo (Chapter, 2020)
      The fifth-generation (5G) mobile networks aim to host different types of services on the same physical infrastructure. Network slicing is considered as the key enabler for achieving this goal. Although there is some progress ...
    • 5G Network Slicing as an Enabler for Smart Distribution Grid Operations 

      Mendis, Handunneththi V. Kalpanie; Heegaard, Poul Einar; Kralevska, Katina (Journal article; Peer reviewed, 2019)
      The power distribution grid has to undergo substantial modifications in order to meet the future electricity needs. The increased flexibility in power consumption, local production and storage insist on smarter supervisory ...
    • Applied Erasure Coding in Networks and Distributed Storage 

      Kralevska, Katina (Doctoral theses at NTNU;2016:341, Doctoral thesis, 2016)
      The amount of digital data is rapidly growing. There is an increasing use of a wide range of computer systems, from mobile devices to largescale data centers, and important for reliable operation of all computer systems ...
    • Beyond 5G Resource Slicing with Mixed-Numerologies for Mission Critical URLLC and eMBB Coexistence 

      Esmaeily, Ali; Mendis, Handunneththi V. K.; Mahmoodi, Toktam; Kralevska, Katina (Peer reviewed; Journal article, 2023)
      Network slicing has been a significant technological advance in the 5G mobile network allowing delivery of diverse and demanding requirements. The slicing grants the ability to create customized virtual networks from the ...
    • Blockchain as an activity tracker to prevent greenwashing 

      Udnes, Henrik (Master thesis, 2023)
      I de siste tiårene, har det foregått et globalt skifte for fokuset på bærekraft som følge av den pågående klimakrisen. Nye lover og tiltak har blitt innført der hensikten er å få fobrukere og bedrifter til å handle ...
    • Blockchain for increased trust in virtual health care: Proof-of-concept study 

      Hasselgren, Anton; Rensaa, Jens-Andreas Hanssen; Kralevska, Katina; Gligoroski, Danilo; Faxvaag, Arild (Peer reviewed; Journal article, 2021)
      Background: Health care systems are currently undergoing a digital transformation that has been primarily triggered by emerging technologies, such as artificial intelligence, the Internet of Things, 5G, blockchain, and the ...
    • Blockchain for trust and transparency in health information systems 

      Hasselgren, Anton (Doctoral theses at NTNU;2023:121, Doctoral thesis, 2023)
      Background The research presented in this thesis explores whether the emerging technology of blockchain can provide value in the health domain. The research project is, in essence, interdisciplinary, migrating across ...
    • Blockchain in healthcare and health sciences—A scoping review 

      Hasselgren, Anton; Kralevska, Katina; Gligoroski, Danilo; Pedersen, Sindre Andre; Faxvaag, Arild (Journal article; Peer reviewed, 2019)
      Background Blockchain can be described as an immutable ledger, logging data entries in a decentralized manner. This new technology has been suggested to disrupt a wide range of data-driven domains, including the health ...
    • A Cloud-based SDN/NFV Testbed for End-to-End Network Slicing in 4G/5G 

      Esmaeily, Ali; Kralevska, Katina; Gligoroski, Danilo (Chapter, 2020)
      Network slicing aims to shape 5G as a flexible, scalable, and demand-oriented network. Research communities deploy small-scale and cost-efficient testbeds in order to evaluate network slicing functionalities. We introduce ...
    • Cryptography for Innovative Blockchain Services 

      Raikwar, Mayank (Doctoral theses at NTNU;2022:241, Doctoral thesis, 2022)
      Since the advent of Bitcoin, scientific interest in its underlying core technology Blockchain has been thriving. Much work has been carried out for blockchain use cases in different industrial areas such as healthcare, ...
    • Dependency based risk analysis in Cyber-Physical Systems 

      Akbarzadeh, Aida (Doctoral theses at NTNU;2023:83, Doctoral thesis, 2023)
      The term ”cyber-physical systems” was introduced by Helen Gill at the National Science Foundation around 2006. Cyber-Physical Systems (CPSs) are systems that integrate computation, communication, and controlling capabilities ...
    • Evaluation of HTTP/DASH Adaptation Algorithms on Vehicular Networks 

      Vergados, Dimitrios; Michalas, Angelos; Kralevska, Katina; Vergados, Dimitrios D. (Chapter, 2019)
      Video streaming currently accounts for the majority of Internet traffic. One factor that enables video streaming is HTTP Adaptive Streaming (HAS), that allows the users to stream video using a bit rate that closely matches ...
    • Expanded combinatorial designs as tool to model network slicing in 5G 

      Gligoroski, Danilo; Kralevska, Katina (Journal article; Peer reviewed, 2019)
      The network slice management function (NSMF) in 5G has a task to configure the network slice instances and to combine network slice subnet instances from the new-generation radio access network and the core network into ...
    • Functional Broadcast Repair of Multiple Partial Failures in Wireless Distributed Storage Systems 

      Mital, Nitish; Kralevska, Katina; Ling, Cong; Gündüz, Deniz (Peer reviewed; Journal article, 2021)
      We consider a distributed storage system with n nodes, where a user can recover the stored file from any k nodes, and study the problem of repairing r partially failed nodes. We consider broadcast repair , that is, d ...
    • GDPR Compliance for Blockchain Applications in Healthcare 

      Hasselgren, Anton; Wan, Paul Kengfai; Horn, Margareth; Kralevska, Katina; Gligoroski, Danilo; Faxvaag, Arild (Chapter, 2020)
      The transparent and decentralized characteristics associated with blockchain can be both appealing and problematic when applied to a healthcare use-case. As health data is highly sensitive, it is therefore, highly regulated ...
    • GDPR Compliant Blockchain and Distributed Ledger Technologies in the Health Sector 

      Hasselgren, Anton; Kralevska, Katina; Gligoroski, Danilo; Faxvaag, Arild (Peer reviewed; Journal article, 2020)
    • Hadoop, and Its Mechanisms for Reliable Storage 

      Midthaug, Ingvild Hovdelien (Master thesis, 2018)
      Nowadays the global amount of digital data increases rapidly. Internet-connected devices generate massive amounts of data through various interactions such as digital communication and file sharing. In a world surrounded ...
    • HashTag Erasure Codes: From Theory to Practice 

      Kralevska, Katina; Gligoroski, Danilo; Jensen, Rune Erlend; Øverby, Harald (Journal article; Peer reviewed, 2018)
      Minimum-Storage Regenerating (MSR) codes have emerged as a viable alternative to Reed-Solomon (RS) codes as they minimize the repair bandwidth while they are still optimal in terms of reliability and storage overhead. ...
    • 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 ...
    • Intent-driven autonomous network and service management in future cellular networks: A structured literature review 

      Mehmood, Kashif; Kralevska, Katina; Palma, David (Peer reviewed; Journal article, 2022)
      Intent-driven networks are an essential stepping stone in the evolution of network and service management towards a truly autonomous paradigm. User centric intents provide an abstracted means of impacting the design, ...