Ara mostrant els elements 21-40 de 111

    Efficient sharing mechanisms for virtualized multi-tenant heterogeneous networks 

    Vincenzi, Matteo (Data de defensa: 2022-07-18)

    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 (Data de defensa: 2022-03-29)

    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 (Data de defensa: 2022-05-13)

    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 (Data de defensa: 2022-01-12)

    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 (Data de defensa: 2021-09-10)

    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 (Data de defensa: 2021-09-30)

    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-Azua Ortega, Joan Adrià (Data de defensa: 2020-11-09)

    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 ...

    Contributions to IEEE 802.11-based long range communications 

    Baños González, Víctor Hugo (Data de defensa: 2020-10-18)

    The most essential part of the Internet of Things (IoT) infrastructure is the wireless communication system that acts as a bridge for the delivery of data and control messages between the connected things and the Internet. ...

    Enhancement of vehicular ad hoc networks using machine learning-based prediction methods 

    Lemus Cárdenas, Leticia (Data de defensa: 2020-07-22)

    Society is aware that the ecological predation of the planet is due to human activity. Therefore, it is necessary to carry out actions to reverse this damage. Besides, the trend of population growth in big cities and the ...

    Contribution to privacy-enhancing tecnologies for machine learning applications 

    Rodríguez Hoyos, Ana Fernanda (Data de defensa: 2020-10-21)

    For some time now, big data applications have been enabling revolutionary innovation in every aspect of our daily life by taking advantage of lots of data generated from the interactions of users with technology. Supported ...

    Enhanced mobility management mechanisms for 5G networks 

    Jain, Akshay (Data de defensa: 2020-10-01)

    Many mechanisms that served the legacy networks till now, are being identified as being grossly sub-optimal for 5G networks. The reason being, the increased complexity of the 5G networks compared previous legacy systems. ...

    Privacy in online advertising platforms 

    Estrada Jiménez, José Antonio (Data de defensa: 2020-10-02)

    Online advertising is consistently considered as the pillar of the "free• content on the Web since it is commonly the funding source of websites. Furthermore, the option of delivering personalizad ads has tumed advertising ...

    Contributions to bluetooth low energy mesh networks 

    Darroudi, Seyed Mahdi (Data de defensa: 2020-09-29)

    Bluetooth Low Energy (BLE) has become a popular Internet of Things (IoT) technology. However, it was originally designed to only support the star topology. This PhD thesis investigates and evaluates different Bluetooth Low ...

    Predicción del alcance de propagación de información e influencia en redes sociales online 

    Ortiz-Gaona, Raúl (Data de defensa: 2020-09-16)

    Online social networks (OSNs) are increasinglyused by different sectors of societywith the purpose of informing and influencing people. These sectors are: govemments, political parties, non-govemmental organizations, ...

    Edge computing infrastructure for 5G networks: a placement optimization solution 

    Santoyo González, Alejandro (Data de defensa: 2020-09-08)

    This thesis focuses on how to optimize the placement of the Edge Computing infrastructure for upcoming 5G networks. To this aim, the core contributions of this research are twofold: 1) a novel heuristic called Hybrid ...

    Traffic control for energy harvesting virtual small cells via reinforcement learning 

    Temesgene, Dagnachew Azene (Data de defensa: 2020-07-21)

    Due to the rapid growth of mobile data traffic, future mobile networks are expected to support at least 1000 times more capacity than 4G systems. This trend leads to an increasing energy demand from mobile networks which ...

    Network resource allocation policies with energy transfer capabilities 

    Piovesan, Nicola (Data de defensa: 2020-06-05)

    During the last decades, mobile network operators have witnessed an exponential increase in the traffic demand, mainly due to the high request of services from a huge amount of users. The trend is of a further increase in ...

    Data analytics for mobile traffic in 5G networks using machine learning techniques 

    Trinh, Hoang Duy (Data de defensa: 2020-06-10)

    This thesis collects the research works I pursued as Ph.D. candidate at the Universitat Politecnica de Catalunya (UPC). Most of the work has been accomplished at the Mobile Network Department Centre Tecnologic de ...

    Contribution to the traffc engineering in wireless mesh networks 

    Astudillo León, Juan Pablo (Data de defensa: 2020-06-09)

    Nowadays, we live in a modern society in which people and devices are interconnected anywhere and anytime. Under this premise, both the infrastructure and the services offered have evolved and diversified in a drastic way. ...

    Contribution to the construction of fingerprinting and watermarking schemes to protect mobile agents and multimedia content 

    Tomàs-Buliart, Joan (Data de defensa: 2020-03-04)

    The main characteristic of fingerprinting codes is the need of high error-correction capacity due to the fact that they are designed to avoid collusion attacks which will damage many symbols from the codewords. Moreover, ...