Now showing items 21-40 of 114

    Contribution to the development of autonomous satellite communications networks : the internet of satellites 

    Ruiz-de-Azua Ortega, Joan Adrià (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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 (Date of defense: 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, ...

    Energy aware optimization for low power radio technologies 

    Suciu, Ioana (Date of defense: 2020-03-10)

    The explosive growth of IoT is pushing the market towards cheap, very low power devices with a strong focus on miniaturization, for applications such as in-body sensors, personal health monitoring and microrobots. Proposing ...

    Proposal of an adaptive infotainment system depending on driving scenario complexity 

    Galarza Osio, Miguel Ángel (Date of defense: 2020-01-31)

    The PhD research project is framed within the plan of industrial doctorates of the “Generalitat de Catalunya”. During the investigation, most of the work was carried out at the facilities of the vehicle manufacturer SEAT, ...

    Resource allocation and management techniques for network slicing in WiFi networks 

    Richart, Matías (Date of defense: 2019-11-01)

    Network slicing has recently been proposed as one of the main enablers for 5G networks; it is bound to cope with the increasing and heterogeneous performance requirements of these systems. To "slice'' a network is to ...

    Power aware resource allocation and virtualization algorithms for 5G core networks 

    Hejja, Khaled (Date of defense: 2019-07-15)

    Most of the algorithms that solved the resource allocation problem, used to apply greedy algorithms to select the physical nodes and shortest paths to select the physical edges, without sufficient coordination between ...

    Optimizing IETF multimedia signaling protocols and architectures in 3GPP networks : an evolutionary approach 

    Viamonte Solé, David (Date of defense: 2019-06-16)

    Signaling in Next Generation IP-based networks heavily relies in the family of multimedia signaling protocols defined by IETF. Two of these signaling protocols are RTSP and SIP, which are text-based, client-server, ...

    Contribución al diseño de protocolos de encaminamiento en redes móviles ad-hoc basados en reputación 

    Guaya Delgado, Lenin (Date of defense: 2019-06-13)

    The mobile ad-hoc networks are part of the next generation access networks (Next Generation Networking o NGN), "all-IP" networks facing the great scientific and technical challenge that is the ubiquitous computing The ...