Now showing items 1-18 of 18

    • 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 ...
    • 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 ...
    • Interference management in LTE-based HetNets: a practical approach 

      Font Bach, Oriol; Bartzoudis, Nikolaos; Pascual Iserte, Antonio; Payaró Llisterri, Miquel; Blanco, Luis; López Bueno, David; Molina Pena, Marc (Wiley-Blackwell, 2015)
      Article
      Open Access
      Interference is a major obstacle in radio communications, especially when opportunistic frequency reuse is an inherent requirement for maximising spectral ef¿ciency in heterogeneous networks. A typical example is encountered ...
    • 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
      Restricted access - publisher's policy
      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 ...
    • 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 ...
    • SHAPER: demostrador experimental de técnicas de linealización digital de amplificadores de potencia para acceso y backhaul inalámbrico 4G/5G 

      López Bueno, David; Gilabert Pinal, Pere Lluís; Montoro López, Gabriel; Bartzoudis, Nikolaos; Font Bach, Oriol (Universidad Autónoma de Madrid, 2016)
      Conference report
      Restricted access - publisher's policy
      The waveforms being employed by fourthgeneration (4G) and candidate fifth-generation (5G) radio access and wireless backhaul technologies are based on modulation techniques that allow significantly increased spectral ...
    • Technologies for emergency rollout of broadband public protection and disaster relief (BB-PPDR) communications in humanitarian crisis zones 

      López Bueno, David; Bartzoudis, Nikolaos; Font Bach, Oriol; Caus, Marius; Gilabert Pinal, Pere Lluís; Montoro López, Gabriel (The Institution of Engineering and Technology, 2020-08-15)
      Part of book or chapter of book
      Restricted access - publisher's policy
      The ongoing migration flows of refugees and immigrants who escape from war and conflict zones to seek asylum and stable living conditions in European countries, have created a multitude of humanitarian crisis sites. The ...
    • The CTTC 5G end-to-end experimental platform: integrating heterogeneous wireless/optical networks, distributed cloud, and IoT devices 

      Muñoz González, Raul; Mangues Bafalluy, Josep; Vilalta, Ricard; Verikoukis, Christos; Alonso Zárate, Jesús; Georgiadis, Apostolos; Payaró Llisterri, Miquel; Pérez Neira, Ana Isabel; Casellas Regi, Ramón; Martínez Rivera, Ricardo Victor; Núñez Martínez, José; Requena Esteso, Manuel; Pubill, David; Font Bach, Oriol; Henarejos Hernández, Pol; Serra, Jordi; Vázquez Gallego, Francisco (2016-01-29)
      Article
      Open Access
      The Internet of Things (IoT) will facilitate a wide variety of applications in different domains, such as smart cities, smart grids, industrial automation (Industry 4.0), smart driving, assistance of the elderly, and home ...
    • Towards an SDN/NFV-based multi-tenant network and cloud testbed for end-to-end 5G services 

      Muñoz González, Raül; Mangues Bafalluy, Josep; Bartzoudis, Nikolaos; Vilalta Cañellas, Ricard; Martínez Rivera, Ricardo Victor; Casellas Regi, Ramon; Baldo, Nicola; Núñez Martínez, José; Requena Esteso, Manuel; Font Bach, Oriol; Payaró Llisterri, Miquel; Henarejos Hernández, Pol; Pérez Neira, Ana Isabel (Wireless World Research Forum (WWRF), 2015)
      Conference report
      Open Access
      5G has a main requirement of highly flexible, ultralow latency and ultra-high bandwidth virtualized infrastructure in order to deliver end-to-end services. This requirement can be met by efficiently ...