Now showing items 1-19 of 19

    • 5G transport network requirements for the next generation fronthaul interface 

      Bartelt, Jens; Vucic, Nikola; Camps Mur, Daniel; García Villegas, Eduard; Seyfettin Demirkol, Ilker; Fehske, Albrecht; Grieger, Michael; Tzanakaki, Anna; Gutiérrez Terán, Jesús; Grass, Eckhard; Lyberopoulos, George; Fettweis, Gerhard (2017-05-15)
      Article
      Open Access
      To meet the requirements of 5G mobile networks, several radio access technologies, such as millimeter wave communications and massive MIMO, are being proposed. In addition, cloud radio access network (C-RAN) architectures ...
    • A model for photocurrent generation in photoconductive antennas 

      López Menchón, Héctor; Revuelta Martinez, Sergio; Santos Blanco, M. Concepción; Romeu Robert, Jordi; Rius Casals, Juan Manuel (2019)
      Conference lecture
      Restricted access - publisher's policy
      The laser-induced current carrier generation and transport under large biasing voltages in photoconductive materials located in electrode gap region of photoconductive antennas is a complex process involving many different ...
    • A portable interferometric micro-array reader on image sensor 

      Villar Zafra, Aitor (Universitat Politècnica de Catalunya, 2014-07-04)
      Master thesis (pre-Bologna period)
      Open Access
      [ANGLÈS] Microarrays constitute a valuable analytical tool for multiplex and high-throughput analysis and are widely used in genomics and proteomics with many potential applications. During the last decades, protein chips ...
    • Caracterització optoelectrònica del grafè a altes freqüències i anàlisi dels efectes produïts en el grafè degut a diferents substrats 

      Gabriel Cortes, Daniel (Universitat Politècnica de Catalunya, 2015-07-22)
      Master thesis (pre-Bologna period)
      Open Access
      This project represents the continuation of the previous study about the analysis graphene optical and electronic properties over a wide frequency range: terahertz, near-infrared, visible band and near-ultraviolet. In this ...
    • Caracterització optoelectrònica del grafè sobre diferents substrats a altes freqüències 

      Gabriel Cortés, Daniel (Universitat Politècnica de Catalunya, 2014-09-09)
      Master thesis (pre-Bologna period)
      Open Access
      [ANGLÈS] This project presents a study for both optic and electronic properties of graphene and possible variations of different physical magnitudes that are produced in a material when a single layer of graphene is deposited ...
    • Design of a position encoder using infrared sensors 

      Castaño Sánchez, Martín (Universitat Politècnica de Catalunya, 2015-05)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   Technische Universität Wien
      [ANGLÈS] The increasing popularity of robotics and the desire to make robotics available to everyone, makes that new ways of development are being promoted. One of the most complex parts of robotics are the joints, where ...
    • Development of a low-cost prototype to evaluate the performance of Transdermal Optical Links 

      Giménez Antón, Sergio (Universitat Politècnica de Catalunya, 2020-06)
      Bachelor thesis
      Open Access
      Covenantee:   Aristoteleio Panepistēmio Thessalonikēs
      This thesis presents the design, setup and implementation of a low-cost prototype system to evaluate the performance of a transcutaneous optical link. More specifically, the architecture of the system as its design (hardware ...
    • Development of a scalable, point-of-care and label free microarray platform for rapid detection of sepsis 

      Sendra Garcia, Joan (Universitat Politècnica de Catalunya, 2015-06-29)
      Bachelor thesis
      Restricted access - confidentiality agreement
    • Development of a setup to measure photoconductivity of GeSn 

      Roset i Julià, Laura (Universitat Politècnica de Catalunya, 2019-07-12)
      Bachelor thesis
      Open Access
      Covenantee:   École polytechnique fédérale de Lausanne
      Esta tesis se focaliza en el diseño y desarrollo de un equipo para mesurar la fotoconductividad del GeSn. El equipo consiste en una lámpara de halógeno y tungsteno, un monocromador, un espejo parabólico y un circuito óptico ...
    • Development of an image sensor platform for microorganisms in water 

      Sevilla Dalmau, Daniel (Universitat Politècnica de Catalunya, 2018-09-06)
      Master thesis
      Restricted access - confidentiality agreement
      In this thesis, we demonstrate the correct operation of a fluorescence sensor designed for the analysis of water samples, in concrete phytoplankton levels and microorganism counting. The system, based on different techniques ...
    • Differential 8-APSK monolithically integrated dual-EML transmitter for flexible coherent PONs 

      Velásquez Micolta, Juan Camilo; Tabares Giraldo, Jeison; Prat Gomà, Josep Joan (2019-06-01)
      Article
      Open Access
      We experimentally demonstrate a simultaneous amplitude and phase modulation of a monolithically integrated dual electro-absorption modulated laser. The proposed technique combines a 4-ary direct phase modulation with a ...
    • Dimensionless parameterization of lidar for laser remote sensing of the atmosphere and its application to systems with SiPM and PMT detectors 

      Agishev, Ravil R.; Comerón Tejero, Adolfo; Rodríguez Gómez, Alejandro Antonio; Sicard, Michaël (2014-05-20)
      Article
      Open Access
      In this paper, we show a renewed approach to the generalized methodology for atmospheric lidar assessment, which uses the dimensionless parameterization as a core component. It is based on a series of our previous works ...
    • Energy efficiency and network performance: A reality check in SDN-based 5G systems 

      Fernández Fernández, Adriana; Cervelló Pastor, Cristina; Ochoa Aday, Leonardo (2017-12-14)
      Article
      Open Access
      The increasing power consumption and related environmental implications currently generated by large data networks have become a major concern over the last decade. Given the drastic traffic increase expected in 5G dense ...
    • Estudi de la visió estereoscòpica i implementació d'un sistema de visualització 3D 

      Álvarez Bruach, Gerard (Universitat Politècnica de Catalunya, 2017-01)
      Bachelor thesis
      Open Access
      El presente TFG surge de la motivación de aplicar conocimientos adquiridos durante estos años en la ETSETB en un proyecto relacionado con la tridimensionalidad. En el TFG hemos realizado un Sistema que obtiene imágenes ...
    • FPGA based label processor for large scale optical packet switch node 

      Osers Benaim, Alan (Universitat Politècnica de Catalunya, 2011-09-09)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   Technische Universiteit Eindhoven
      English: The Internet demand is leading us into the creation of faster and more efficient networks. At the present time the servers that hold the mayor part of the cloud are grouped in thousands inside clusters. A cluster ...
    • Optimisation of parametric processes in nonlinear optical waveguides 

      Bohigas Nadal, Jaume (Universitat Politècnica de Catalunya / Politecnico di Torino. Dipartimento di elettronica / Technical University of Denmark. Fotonik Department, 2013-09-10)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   Politecnico di Torino
      [ANGLÈS] This Master’s Thesis presents an optimisation of parametric processes on two different materials used for optical communications. The main objective is to determine whether they are suitable for all-optical signal ...
    • Reducing the power consumption in green 5G networks under system uncertainty 

      Pérez Díaz, Sandra (Universitat Politècnica de Catalunya, 2017-10-30)
      Master thesis
      Open Access
      Along this Master thesis, we develop an heuristic model based on a given mixed integer lineal problem (MILP). The problem of energy-efficient user association is approached, as well as the backhaul (BH) routing for 5G ...
    • Supporting QoE/QoS-aware end-to-end network slicing in future 5G-enabled optical networks 

      Montero, Rafael; Pagès Cruz, Albert; Agraz Bujan, Fernando; Spadaro, Salvatore (2019-02-05)
      Conference report
      Open Access
      Network slicing with Quality of Experience/Quality of Service (QoE/QoS) guarantees is seen as one of the key enablers of future 5G networks. Nevertheless, it poses several challenges in both resource provisioning and ...
    • Toward to design of 5G optical communications 

      Viorreta Gómez, Álex (Universitat Politècnica de Catalunya, 2017-06)
      Bachelor thesis
      Open Access
      The main objective of this End-of-Grade Work is the analysis and study of the possible multi-carrier modulations that can be used in fifth generation (5G) communications standard. The fifth generation of communications ...