Ara es mostren els items 1-11 de 11

  • 5G Techniques Proof-of-concept Testbed 

    Sainz Rojas, Manuel (Universitat Politècnica de Catalunya, 2015-05)
    Projecte/Treball Final de Carrera
    Accés obert
    Realitzat a/amb:  Aalborg universitet
    The exponential increase of the data traffic in the next years and the limitations of the wireless spectrum shared by multiusers have challenged the design of the coming 5G radio access technology. In the last decade, ...
  • Aggregation techniques for energy flexibility 

    Valsomatzis, Emmanouil (Universitat Politècnica de Catalunya, 2017-12-04)
    Tesi
    Accés obert
    Realitzat a/amb:  Aalborg universitet
    Over the last few years, the cost of energy from renewable resources, such as sunlight and wind, has declined resulting in an increasing use of Renewable Energy Sources (RES). As a result, the energy produced by RES is fed ...
  • Estudi sobre handovers i selecció de cel·les LTE: simulació d'escenaris crítics utilitzant Ray Tracing 

    Coll Muñoz, Marta (Universitat Politècnica de Catalunya, 2011)
    Projecte/Treball Final de Carrera
    Accés obert
    Realitzat a/amb:  Aalborg universitet
    [ANGLÈS] In LTE, the handover is a hard handover; the UE is first connected to the source eNodeB, then it gets unattached to the network to connect again to the target eNodeB. This procedure is not fail safe and may cause ...
  • Evaluation of pre-filtering techniques for delay-spread compression in Wideband MISO systems 

    Comas Massague, Armand (Universitat Politècnica de Catalunya, 2017-01-08)
    Treball Final de Grau
    Accés obert
    Realitzat a/amb:  Aalborg universitet
    This thesis describes in quite depth the channel behaviour in wireless communications, pointing some of the complexities that communication systems must face. The document is then focused in Delay Spread Compression (DSC) ...
  • LTE-Advanced HetNet Investigations Under Realistic Conditions 

    Pocovi Gerardino, Guillermo Andrés (Universitat Politècnica de Catalunya, 2014-07-15)
    Projecte/Treball Final de Carrera
    Accés obert
    Realitzat a/amb:  Aalborg universitet / Nokia Networks
    [ANGLÈS] With the exponential growth in traffic demands during past years, Heterogeneous Networks (HetNets) are envisioned as the major capacity and performance enhancement enablers by means of increasing the spectral ...
  • Medium Efficiency Improvement via Interference Rejection in WiFi Systems 

    Jaume Mir, Antoni; Calvo Fullana, Miguel (Universitat Politècnica de Catalunya / Aalborg universitet, 2013-09-10)
    Projecte/Treball Final de Carrera
    Accés obert
    Realitzat a/amb:  Aalborg universitet / Nokia Networks
    [ANGLÈS] WiFi networks play an integral and essential role in the wireless communications of today's interconnected world. Originally introduced in 1997, the IEEE 802.11 standard has come a long way since its original ...
  • Multi-connectivity in 5G New Radio: configuration algorithms and performance evaluation 

    López Lechuga, Melisa (Universitat Politècnica de Catalunya, 2018-05)
    Projecte Final de Màster Oficial
    Accés obert
    Realitzat a/amb:  Aalborg University / Nokia Bell Labs / Aalborg universitet
    The 5th Generation (5G) New Radio (NR) air interface is expected to be the foundation of very heterogeneous networks serving a wide range of use cases, including Ultra-Reliable Low Latency Communications (URLLC) services. ...
  • Optimization in design of precoder and decoder for coordinated access points systems using MMSE criterion in measured channels 

    Matallana Espinar, Carlos (Universitat Politècnica de Catalunya / Aalborg universitet, 2012-05-24)
    Projecte/Treball Final de Carrera
    Accés obert
    Realitzat a/amb:  Aalborg universitet
    [ANGLÈS] In this project is implemented an iterative algorithm to determine the linear transmit and receive beamforming filters maximizing the sum-rate of cooperative MIMO system. The channel state information (CSI) of all ...
  • Un pas endavant cap a la predició del comportament de tecnologies MIMO per a entorns oberts, utilitzant Ray Tracing com a model de canal 

    Carreño Bautista de Lisbona, Xavier (Universitat Politècnica de Catalunya / Aalborg universitet, 2011-06)
    Projecte/Treball Final de Carrera
    Accés obert
    Realitzat a/amb:  Aalborg universitet / Intel Corporation
    [ANGLÈS] MIMO technologies have been introduced into newest systems, as LTE, to help meeting the current mobile communications data rate demand. Field testing is a necessary step in the performance optimization of the ...
  • Performance improvement strategies for current and next generation Wi-Fi systems 

    Gatnau Sarret, Marta; Ashta, Jagjit Singh (Universitat Politècnica de Catalunya / Aalborg Universiteit, 2012-06-13)
    Projecte/Treball Final de Carrera
    Accés obert
    Realitzat a/amb:  Aalborg universitet / Nokia Networks
    [ANGLÈS] When we refer to wireless communications, Wi-Fi quickly comes to our minds despite that the first Wi-Fi standard appeared over 15 years ago. In these 15 years, the standard has evolved a lot, bringing high throughput ...
  • Semantic metadata for supporting exploratory OLAP 

    Varga, Jovan (Universitat Politècnica de Catalunya, 2017-01-24)
    Tesi
    Accés obert
    Realitzat a/amb:  Aalborg universitet
    On-Line Analytical Processing (OLAP) is an approach widely used for data analysis. OLAP is based on the multidimensional (MD) data model where factual data are related to their analytical perspectives called dimensions and ...