Browsing by Contributor "Aalborg universitet"

Now showing items 1-15 of 15

    • 5G Techniques Proof-of-concept Testbed 

      Sainz Rojas, Manuel (Universitat Politècnica de Catalunya, 2015-05)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   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, ...

    • A comparison between brewing beer and making wine 

      Alemany Bonastre, Jordi (2004-12)
      Master thesis (pre-Bologna period)
      Restricted access - author's decision
      Covenantee:   Aalborg universitet
      This project tries to explain the brewing process with the purpose to brew a small quantity of beer, at the same time analyses different characteristics of the beer and raw materials to determine the quality of the beer. ...

    • Aggregation techniques for energy flexibility 

      Valsomatzis, Emmanouil (Universitat Politècnica de Catalunya, 2017-12-04)
      Doctoral thesis
      Open Access
      Covenantee:   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 ...

    • Design of an impedance source converter for high-performance PV power system applications 

      Izquierdo Gómez, Pere (Universitat Politècnica de Catalunya, 2018-07-18)
      Bachelor thesis
      Open Access
      Covenantee:   Aalborg universitet
      This project describes the principles of impedance-source/quasi-impedancesource inverters, which have the main particularity of being able to operate as voltage-boost inverters. Therefore, the appropriate circuit ...

    • Estudi sobre handovers i selecció de cel·les LTE: simulació d'escenaris crítics utilitzant Ray Tracing 

      Coll Muñoz, Marta (Universitat Politècnica de Catalunya, 2011)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   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)
      Bachelor thesis
      Open Access
      Covenantee:   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)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   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)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   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)
      Master thesis
      Open Access
      Covenantee:   Aalborg universitet / 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)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   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)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   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)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   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 ...

    • Reliability-oriented intra-frequency dual connectivity for 5G systems: Configuration algorithms and performance evaluation 

      Al-Mshahde, Mohammed (Universitat Politècnica de Catalunya, 2018-07-05)
      Master thesis
      Open Access
      Covenantee:   Aalborg universitet
      The 5th Generation (5G) New Radio (NR) interface is expected to continue utilising the existing homogenous networks for some time in the near future serving a wide range of use cases, one of those cases is Ultra-Reliable ...

    • Semantic metadata for supporting exploratory OLAP 

      Varga, Jovan (Universitat Politècnica de Catalunya, 2017-01-24)
      Doctoral thesis
      Open Access
      Covenantee:   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 ...

    • Study and Development of Power Control Schemes within a Cognitive Radio-based Game Theoretic Framework 

      Álvarez Roig, Víctor (Universitat Politècnica de Catalunya, 2010-04)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   Aalborg universitet
      The requirements of the International Telecommunication Union (ITU) for the 4th generation of mobile devices raised up to 100 Mbps for high and 1Gbps for low mobility conditions. Reaching such challenging targets requires ...