Ara es mostren els items 1-12 de 346

    • Novel transversal topologies and coupled resonator configurations for acoustic wave filters 

      Perea Robles, Rafael (Universitat Politècnica de Catalunya, 2023-06-09)
      Tesi
      Accés obert
      (English) During the last years, electro-acoustic technology has been a key factor in the development of portable devices thanks to its high performance and very compact filtering structures. Such a technology has enabled ...
    • Clustering large dimensional data via second order statistics: applications in wireless communications 

      Pereira, Roberto Matheus Pinheiro (Universitat Politècnica de Catalunya, 2023-12-19)
      Tesi
      Accés obert
      (English) In many modern signal processing applications, traditional machine learning and pattern recognition methods heavily rely on the having a sufficiently large amount of data samples to correctly estimate the underlying ...
    • Lifelong AI-driven zero-touch network slicing 

      Rezazadeh, Farhad (Universitat Politècnica de Catalunya, 2023-11-13)
      Tesi
      Accés obert
      (English) The sixth-generation (6G) network's evolution necessitates advancements in algorithms and architecture to transition from an AI-native to an intrinsic trustworthy automation-native system. Network slicing creates ...
    • Zero-touch service orchestration in 5G and beyond mobile networks 

      Dalgkitsis, Anestis (Universitat Politècnica de Catalunya, 2023-11-07)
      Tesi
      Accés restringit per acord de confidencialitat
      (English) The expeditious growth and development of Beyond-5G and 6G networks inaugurated a new sector in the research of cellular networking. Automation and scaling are now considered a necessity to cope with the anticipated ...
    • Optimized content caching strategies for multi-access edge computing (MEC)-assisted future cellular networks 

      Ayenew, Tadege Mihretu (Universitat Politècnica de Catalunya, 2023-11-21)
      Tesi
      Accés obert
      (English) Handling the tsunami of multimedia content is a big challenge for heterogeneous cellular networks. Serving large volumes of content from the central system to end-users, through a bandwidth-limited network, at ...
    • Analysis of thin-film solidly mounted resonators for applications in harsh environments 

      Lugo Hernández, Eduardo (Universitat Politècnica de Catalunya, 2023-10-10)
      Tesi
      Accés obert
      (English) The sensing industry is constantly growing due to its demand in fields that require critical and essential information (data environment) for human safeness and quality of life. In recent years, designers, ...
    • Knowledge graph population from news streams 

      Fernández Cañellas, Dèlia (Universitat Politècnica de Catalunya, 2023-10-09)
      Tesi
      Accés obert
      (English) Media producers publish large amounts of multimedia content online - both text, audio, image and video. As the online media market grows, the management and delivery of contents becomes a challenge. Semantic ...
    • Quasi-perfect codes for the classical-quantum channel 

      Blasco Coll, Andreu (Universitat Politècnica de Catalunya, 2023-09-27)
      Tesi
      Accés obert
      (English) Quantum computers use the laws of quantum mechanics to do complex operations that classical computers can't solve. Quantum computers and other physical quantum systems require quantum information to be completely ...
    • Converged RAN/MEC slicing in beyond 5G (B5G) networks 

      Ojaghi Kahjogh, Behnam (Universitat Politècnica de Catalunya, 2023-07-13)
      Tesi
      Accés obert
      (English) The main objective of this thesis is to propose solutions for implementing dynamic RAN slicing and Functional Split (FS) along with MEC placements in 5G/B5G. In particular, this thesis is divided into three parts. ...
    • Machine learning techniques for adaptive polynomial and neural network digital predistorters 

      López Bueno, David (Universitat Politècnica de Catalunya, 2023-07-07)
      Tesi
      Accés obert
      (English) The power amplifier (PA) is a core element in the radio transmitters to support the required mobile and fixed broadband communication link ranges. However, the PA is a power-hungry and nonlinear by nature device. ...
    • Machine learning algorithms for 5G optical networks 

      Ibrahim Mohamed Badr, Asmaa (Universitat Politècnica de Catalunya, 2023-07-18)
      Tesi
      Accés obert
      (English) Throughout this thesis we addressed 5G network challenges. The non-coherent optical modulation tradeoff has been addressed, as we proposed FBMC and artificial intelligence-based schemes. The proposed schemes ...
    • Data-driven information-theoretic tools under a second-order statistics perspective 

      Cabrera Estanyol, Ferran de (Universitat Politècnica de Catalunya, 2023-07-03)
      Tesi
      Accés obert
      (English) A great deal is known about second-order statistics. For many years, most of the signal processing problems have been addressed under the perspective of the first and second-order moments of the data, known to ...