Now showing items 1-10 of 10

    • A low in-band radiation superregenerative oscillator 

      Palà Schönwälder, Pere; Bonet Dalmau, Jordi; Moncunill Geniz, Francesc Xavier; Águila López, Francisco del; Giralt Mas, Ma. Rosa (2013-05-27)
      Article
      Open Access
      This brief describes a superregenerative (SR) voltage-controlled oscillator as a building block for SR receivers where most of the oscillator spectrum components are outside the reception frequency band. This allows ...
    • Decentralised multi-access MAC protocol for ad-hoc networks 

      Realp, Marc; Pérez Neira, Ana Isabel (2003)
      Conference report
      Open Access
      In ad-hoc radio networks, mechanisms on how to access the radio channel are extremely important in order to improve network efficiency and, when needed, to guarantee QoS. Traditionally, Medium Access Control (MAC) protocols ...
    • Diseño y construcción de un sintetizador de frecuencia con PLL de onda media 

      Llerena Santana, David (Universitat Politècnica de Catalunya, 2007-07)
      Master thesis (pre-Bologna period)
      Restricted access - author's decision
      El departamento de TSC (Teoria del Senyal i Comunicacions), de la EPSEVG esta llevando a cabo el diseño de un receptor superheterodino con finalidad docente. A los estudiantes de la UPC que están finalizando sus estudios ...
    • Estudio de un procesador CFAR con receptores distribuidos 

      Elias Fusté, Antoni; Puga Antequera, Jordi (1989)
      Conference report
      Open Access
      In this paper we present the recursive formulation of an algorithm that permits for a system formed by N different CFAR detectors and a fixed level of false alarm in the data fusion center, to test the different intermediate ...
    • On the Totally Asynchronous Interference Channel with Single-User Receivers 

      Calvo Page, Eduard; Rodríguez Fonollosa, Javier; Vidal Manzano, José (IEEE Press. Institute of Electrical and Electronics Engineers, 2009)
      Conference report
      Open Access
      The performance characterization of decentralized wireless networks with uncoordinated sender-destination pairs motivates the study of the totally asynchronous interference channel with single-user receivers. Since this ...
    • Rate balancing in the vector BC with erroneous CSI at the receivers 

      Joham, Michael; Gründinger, Andreas; Pastore, Adriano; Rodríguez Fonollosa, Javier; Utschick, Wolfgang (2013)
      Conference report
      Restricted access - publisher's policy
      For the vector broadcast channel (BC), the case of erroneous channel state information (CSI) at the receiver is considered. Employing a well established lower bound for the mutual information with Gaussian signaling, a ...
    • Receptor biestático sin enlace dedicado con el transmisor 

      Aguasca Solé, Alberto; Broquetas Ibars, Antoni; Elias Fusté, Antoni (Unión Científica Internacional de Radio (URSI), 1990)
      Conference report
      Open Access
      This paper presents an introduction to the study and development of a new concept of Bistatic Radar Receiver, which eliminates any kind of direct microwave or optical fiber link between them. It is based on discret phase-lock ...
    • Receptor superheterodi d'ONA mitjana modular 

      Ortiz Macià, Joan (Universitat Politècnica de Catalunya, 2013)
      Master thesis (pre-Bologna period)
      Open Access
      L’objectiu principal d’aquest projecte final de carrera es l’estudi i la construcció hardware de tots els blocs que formen un receptor de radio superheterodí d’ona mitjana (AM), alguns d’aquests blocs han sigut dissenyats ...
    • Simplified polarization diversity heterodyne receiver for 1.25Gb/s cost-effective udWDM-PON 

      Cano Valadéz, Iván Nicolás; Lerín de la Santísima Trinidad, Adolfo; Polo Querol, Víctor; Prat Gomà, Josep Joan (2014)
      Conference report
      Restricted access - publisher's policy
      We propose a heterodyne receiver with a single-photodiode per polarization for ONU receiver in low-cost udWDM-PON. This grants polarization diversity operation showing a penalty of 6dB in sensitivity compared to a balanced ...
    • Trellis-coded 8-DPSK with postdetection combining diversity for digital land mobile radio 

      Femenias Nadal, Guillem; Agustí Comes, Ramon (Institute of Electrical and Electronics Engineers (IEEE), 1991)
      Conference report
      Open Access
      The performance of rate 2/3 postdetection combining diversity TCM-8DPSK systems is analyzed. A simulated Rayleigh mobile radio channel and the presence of cochannel interferers are assumed. Only the case where an ideal ...