Now showing items 1-15 of 15

  • A real-time FPGA-based implementation of a high-performance MIMO-OFDM mobile WiMAX transmitter 

    Font Bach, Oriol; Bartzoudis, Nikolaos; Pascual Iserte, Antonio; López Bueno, David (2011)
    Conference report
    Open Access
    The Multiple Input Multiple Output (MIMO)-Orthogonal Frequency Division Multiplexing (OFDM) is considered a key technology in modern wireless-access communication systems. The IEEE 802.16e standard, also denoted as ...
  • A real-time FPGA-based implementation of a high-performance MIMO-OFDM transceiver featuring a closed-loop communication scheme 

    Font Bach, Oriol; Bartzoudis, Nikolaos; Pascual Iserte, Antonio; López Bueno, David (Institute of Electrical and Electronics Engineers (IEEE), 2012)
    Conference report
    Restricted access - publisher's policy
    In this paper we present the FPGA implementation of a multi-antenna Orthogonal Frequency-Division Multiplexing (OFDM) transmitter and receiver featuring a closed-loop (CL) communication scheme. The PHY-layer development ...
  • A real-time FPGA-based mobile WiMAX transceiver supporting multi-antenna configurations 

    Bartzoudis, Nikolaos; Font Bach, Oriol; Pascual Iserte, Antonio; López Bueno, David (IEEE, 2011)
    Conference report
    Restricted access - publisher's policy
    This paper presents the design, implementation and experimental validation of a real-time FPGA-based mobile WiMAX baseband transceiver. Three different antenna configuration schemes were implemented and tested, namely ...
  • A real-time MIMO-OFDM mobile WiMAX receiver: architecture, design and FPGA implementation 

    Font Bach, Oriol; Bartzoudis, Nikolaos; Pascual Iserte, Antonio; López Bueno, David (2011-11)
    Article
    Restricted access - publisher's policy
    The IEEE 802.16e-2005 standard, also denoted as mobile WiMAX, was introduced as one of the first real efforts towards the deployment of fourth generation communication systems providing fixed and mobile broadband wireless ...
  • Adaptive block Diagonalization and user scheduling with out of cluster interferenced 

    García Fernández, Juan José; García Armada, Ana; Rubio López, Javier; Pascual Iserte, Antonio; Font Bach, Oriol; Bartzoudis, Nikolaos (2014)
    Conference report
    Restricted access - publisher's policy
    Interference in a cellular network is one of the main impairments that needs to be overcome. Coordination among the Base Stations may enable the use of the interference to improve the transmission rate at the cost of ...
  • Asymptotic analysis of multiuser-MIMO networks with battery-constrained receivers 

    Rubio López, Javier; Pascual Iserte, Antonio; García Fernández, Juan José; García Armada, Ana; Font Bach, Oriol; Bartzoudis, Nikolaos (2014)
    Conference report
    Restricted access - publisher's policy
    In this paper, we present an asymptotic analysis of the behavior of a network where the mobile terminals are considered to be battery-powered devices provided with energy harvesting capabilities. The asymptotic analysis ...
  • D21.3 Analysis of initial results at EuWIN@CTTC 

    Fernandez-Prades, Carles; Masera, Guido; Dardari, Davide; Calanchi, Giacomo; Umbert Juliana, Anna; Pérez Romero, Jordi; Kliks, Adrian; Kryszkiewicz, Pawel; Casadevall Palacio, Fernando José; Closas, Pau; Moragrega, Ana; Arribas, Javier; Bartzoudis, Nikolaos; Font-Bach, Oriol; Payaró, Miquel; Vinogradov, Evgenii; Oestges, Claude; Joseph, Wout; Hanssens, Brecht; Degli-Esposti, Vittorio; Vitucci, Enrico; Fleury, Bernard; Zemen, Thomas; Gan, Mingming; Nafka, Amor (2014-11)
    External research report
    Open Access
    The nature of this Deliverable of WP2.1 (“Radio interfaces for next-generation wireless systems”) is mainly descriptive and its purpose is to provide a report on the status of the different Joint Research Activities (JRAs) ...
  • Design, implementation and testing of a real-time mobile WiMAX testbed featuring MIMO technology 

    Font Bach, Oriol; Bartzoudis, Nikolaos; Pascual Iserte, Antonio; López Bueno, David (2010-05)
    Conference lecture
    Open Access
  • Energy profiling of FPGA-based PHY-layer building blocks encountered in modern wireless communication systems 

    Bartzoudis, Nikolaos; Font Bach, Oriol; Payaró Llisterri, Miquel; Pascual Iserte, Antonio; Rubio López, Javier; García Fernández, Juan José; García Armada, Ana (2014)
    Conference lecture
    Restricted access - publisher's policy
    Characterizing the energy cost of different physical (PHY) layer building blocks is becoming increasingly important in modern cellular-based communications, considering the cross sector requirements for performance ...
  • Gedomis: un testbed multi-antenna en temps real 

    Font Bach, Oriol; López Bueno, David; Bartzoudis, Nikolaos; Pascual Iserte, Antonio; Pérez Neira, Ana Isabel (2008-06)
    Article
    Restricted access - publisher's policy
    Els sistemes multi-antena són una solució tecnològica viable cada cop més present als estàndards de sistemes ràdio actuals. Aquí presentem el demostrador Gedomis en procés de desenvolupament per provar la viabilitat ...
  • Hardware-efficient implementation of a femtocell/macrocell interference-mitigation technique for high-performance LTE-based systems 

    Font Bach, Oriol; Bartzoudis, Nikolaos; Pascual Iserte, Antonio; Payaró Llisterri, Miquel (2013)
    Conference report
    Restricted access - publisher's policy
    This paper presents the FPGA design of an interference-aware digital front end tailored for heterogeneous multi-cell LTE-based systems. A resource-optimized RTL architecture has been implemented and validated under realistic ...
  • MATLAB as a design and verification tool for the hardware prototyping of wireless communication systems 

    Font Bach, Oriol; Pascual Iserte, Antonio; Bartzoudis, Nikolaos; López Bueno, David (InTech, 2012-09)
    Part of book or chapter of book
    Open Access
  • Measuring the performance of a distributed interference management scheme in a LTE-based HetNet deployment 

    Font Bach, Oriol; Bartzoudis, Nikolaos; Payaró Llisterri, Miquel; Pascual Iserte, Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Conference report
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    This paper presents the experimental evaluation of an interference- mitigation scheme tailored for heterogeneous multi-cell LTE-based systems. The real-time FPGA-based system implementation was evaluated under realistic ...
  • Peak cancellation and digital predistortion of high-order QAM wideband signals for next generation wireless backhaul equipment 

    López Bueno, David; Gilabert Pinal, Pere Lluís; Montoro López, Gabriel; Bartzoudis, Nikolaos (2014)
    Conference report
    Restricted access - publisher's policy
    This paper evaluates the linearity performance in a wideband wireless backhaul transmitter when applying crest factor reduction (CFR) and digital predistortion (DPD) techniques to enhance the transmitted output power, and ...
  • Prototyping processing-demanding physical layer systems featuring single or multi-antenna schemes 

    Font Bach, Oriol; Bartzoudis, Nikolaos; Pascual Iserte, Antonio; López Bueno, David (2011)
    Conference lecture
    Restricted access - publisher's policy
    In the past years numerous algorithms, schemes and techniques have been proposed, in order to improve the performance of the wireless multi-antenna communication systems. Real-time multi-antenna testbeds are offering ...