Recent Submissions

  • Invoice factoring through blockchain technology 

    Mohammadzadeh, Nasibeh (Universitat Politècnica de Catalunya, 2022-10-06)
    Doctoral thesis
    Open Access
    (English) Invoice factoring has been a popular way to provide cash flow for businesses. The primary function of a factoring system is to prevent an invoice from being factored twice. In order to prevent double factoring, ...
  • Contribution to the system architecture design for electromagnetic nano-network communications 

    Galal Mahmoud Ibrahim, Akram (Universitat Politècnica de Catalunya, 2022-10-10)
    Doctoral thesis
    Open Access
    (English) A nano-network is a communication network at the nano-scale between nano-devices. Nanodevices face certain challenges in functionalities, because of limitations in their processing capabilities and power management ...
  • Control logic distribution trade-offs in software-defined wireless networks 

    Osman, Mohamad (Universitat Politècnica de Catalunya, 2022-10-07)
    Doctoral thesis
    Open Access
    The SDN (Software-Defined Networks) architecture separates the data and the control planes of the networks. It logically centralizes the control of a network in a central point that is an SDN controller, which acts as a ...
  • Contribution to reliable end-to-end communication over 5G networks using advanced techniques 

    Poorzare, Reza (Universitat Politècnica de Catalunya, 2022-09-05)
    Doctoral thesis
    Open Access
    5G cellular communication, especially with its hugely available bandwidth provided by millimeter-wave, is a promising technology to fulfill the coming high demand for vast data rates. These networks can support new use ...
  • Contribution to multi-domain network slicing : resource orchestration framework and algorithms 

    Kibalya, Godfrey Mirondo (Universitat Politècnica de Catalunya, 2022-07-26)
    Doctoral thesis
    Open Access
    5G/6G services and applications, in the context of the eMBB, mMTC and uRLLC network slicing framework, whose network infrastructure requirements may span beyond the coverage area of a single Infrastructure Provider (InP), ...
  • Efficient sharing mechanisms for virtualized multi-tenant heterogeneous networks 

    Vincenzi, Matteo (Universitat Politècnica de Catalunya, 2022-07-18)
    Doctoral thesis
    Open Access
    The explosion in data traffic, the physical resource constraints, and the insufficient financial incentives for deploying 5G networks, stress the need for a paradigm shift in network upgrades. Typically, operators are also ...
  • Contributions to energy-aware demand-response systems using SDN and NFV for fog computing 

    Tipantuña Tenelema, Christian José (Universitat Politècnica de Catalunya, 2022-03-29)
    Doctoral thesis
    Open Access
    Ever-increasing energy consumption, the depletion of non-renewable resources, the climate impact associated with energy generation, and finite energy-production capacity are important concerns worldwide that drive the ...
  • Joint access-backhaul mechanisms in 5G cell-less architectures 

    Rony, Rakibul Islam (Universitat Politècnica de Catalunya, 2022-05-13)
    Doctoral thesis
    Open Access
    Older generations of wireless networks, such as 1G and 2G were deployed using leased line, copper or fibre line as backhaul. Later, in 3G and 4G, microwave wireless links have also worked as backhaul links while the ...
  • Cellular and Wi-Fi technologies evolution: from complementarity to competition 

    Bojovic, Biljana (Universitat Politècnica de Catalunya, 2022-01-12)
    Doctoral thesis
    Open Access
    This PhD thesis has the characteristic to span over a long time because while working on it, I was working as a research engineer at CTTC with highly demanding development duties. This has delayed the deposit more than I ...
  • Enhanced quality of service mechanisms for 5G networks 

    Irazabal Bengoa, Mikel (Universitat Politècnica de Catalunya, 2021-09-10)
    Doctoral thesis
    Open Access
    The heterogeneous services with stringent requirements that are envisioned to co-exist under the fifth generation of cellular networks (5G), inexorably challenge the current Long-Term Evolution (LTE) cellular network’s ...
  • Resource allocation and management under priorities based on the squatting-kicking model for multi-slice 5G networks 

    Hamouda, Ahmed Mohamed Abdelaty Elmekkawi (Universitat Politècnica de Catalunya, 2021-09-30)
    Doctoral thesis
    Open Access
    The upcoming Beyond Fifth Generation networks aim to meet network services characterized by low latency and high reliability among others in different slices to provide a high-quality user experience. However, existing ...
  • Contribution to the development of autonomous satellite communications networks : the internet of satellites 

    Ruiz De Azúa Ortega, Juan Adrián (Universitat Politècnica de Catalunya, 2020-11-09)
    Doctoral thesis
    Open Access
    The space is experiencing a revolution due to the em ergence of satellite services to satisfy environmental, socio-econom ic, and geo-political demands. Earth Observation satellite systems have become dependable resources ...

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