Ara es mostren els items 21-40 de 72

    • Cooperation for next generation wireless networks 

      Antonopoulos, Angelos; Di Renzo, Marco; Lalos, Aristeidis; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (John Wiley & Sons, 2015-06)
      Capítol de llibre
      Accés restringit per política de l'editorial
      Fundamentals of 5G Mobile Networks provides an overview of the key features of the 5th Generation (5G) mobile networks, discussing the motivation for 5G and the main challenges in developing this new technology. This book ...
    • Coprivacy: an introduction to the theory and applications of co-operative privacy 

      Domingo-Ferrer, Josep (Institut d'Estadística de Catalunya, 2011)
      Article
      Accés obert
      We introduce the novel concept of coprivacy or co-operative privacy to make privacy preservation attractive. A protocol is coprivate if the best option for a player to preserve her privacy is to help another player in ...
    • Data compression for remote radio head 

      Mateu Cuadrat, Jaume (Universitat Politècnica de Catalunya, 2018-07-25)
      Treball Final de Grau
      Accés restringit per acord de confidencialitat
    • Decision making under uncertainty using a qualitative TOPSIS method for selecting sustainable energy alternatives 

      Afsordegan, Arayeh; Sánchez Soler, Monica; Agell Jané, Núria; Zahedi, Siamak; Cremades Oliver, Lázaro Vicente (2016-03-15)
      Article
      Accés obert
      Multi-criteria decision-making methods support decision makers in all stages of the decision-making process by providing useful data. However, criteria are not always certain as uncertainty is a feature of the real world. ...
    • Deep Learning Techinques for LDPC shortening 

      Auladell i Parellada, Pol (Universitat Politècnica de Catalunya, 2020-08-03)
      Treball Final de Grau
      Accés obert
      Realitzat a/amb:   Karlsruher Institut für Technologie
      The idea of this project is, using Deep Learning (DL) techniques, find a way to shorten a Low-Density Parity-Check (LDPC) code. This is possible since a Bipartite Graph has a similar structure to a artificial neuron system ...
    • Desarrollo de un esquema de codificación basado en los Turbo Códigos definidos en el estándar 3GPP (S-UMTS) 

      Álvarez Feito, Borja (Universitat Politècnica de Catalunya, 2010)
      Projecte/Treball Final de Carrera
      Accés obert
      En este proyecto nos centramos en el desarrollo de un esquema de codificación basado en el estándar 3GPP. Dicho esquema está diseñado para funcionar en el DSP de un modem vía satélite, el cual cuenta con un coprocesador ...
    • Design of a configurable LDPC decoder for high-speed wireless 

      Esteve Martin, Miquel (Universitat Politècnica de Catalunya, 2012-06)
      Projecte Final de Màster Oficial
      Accés obert
      [ANGLÈS] The proposed solution for a LDPC decoder according the IEEE 802.11n standard is a multi-code and multi-rate solution, being capable to decode the codes defined in it and also it can be reused, after adding extra ...
    • Determining when a truncated generalised Reed-Solomon code is Hermitian self-orthogonal 

      Ball, Simeon Michael; Vilar Algueró, Ricard (Institute of Electrical and Electronics Engineers (IEEE), 2022-02-09)
      Article
      Accés obert
      We prove that there is a Hermitian self-orthogonal k -dimensional truncated generalised Reed-Solomon code of length n¿q2 over Fq2 if and only if there is a polynomial g¿Fq2 of degree at most (q-k)q-1 such that g+gq has ...
    • Disseny i implementació d’una aplicació de streaming utilitzant Network Coding 

      Llansana Parcerisas, Joan (Universitat Politècnica de Catalunya, 2012-03-20)
      Treball Final de Grau
      Accés obert
      Actualment el tràfic de vídeo per Internet és el més significatiu. Està previst que aquesta tendència vagi en augment en el futur de manera molt representativa, en part motivat per l’aparició de formats d’alta definició o ...
    • Educational activities with Arduino to learn about astronomy 

      Di Giacomo, Federico; Sandri, Maura (Universitat Politècnica de Catalunya, 2022-04-29)
      Comunicació de congrés
      Accés obert
      There is a need to promote better science, technology, and mathematics (STEM) education at all school levels. Arduino makes it possible by creating the next generation of STEAM programs that empower students on their ...
    • Estudi i simulació de network coding 

      Pericay Vendrell, Pau (Universitat Politècnica de Catalunya, 2010-10-06)
      Treball Final de Grau
      Accés obert
    • Exploiting network coding for smart healthcare: scenarios and challenges sensor networks for sustainable development 

      Kartsakli, Elli; Antonopoulos, Angelos; Verikoukis, Christos (Taylor & Francis Group, 2014)
      Capítol de llibre
      Accés restringit per política de l'editorial
    • Extending small arcs to large arcs 

      Ball, Simeon Michael (2018-03-01)
      Article
      Accés obert
      An arc is a set of vectors of the k-dimensional vector space over the finite field with q elements Fq , in which every subset of size k is a basis of the space, i.e. every k-subset is a set of linearly independent vectors. ...
    • Families of convolutional codes over finite fields: a survey 

      García Planas, María Isabel (Springer, 2017-03-09)
      Capítol de llibre
      Accés restringit per política de l'editorial
      The goal of this work is to give explicit interconnections between control theory and coding. It is well-known the existence of a closed relation between linear systems over finite fields and convolutional codes that allow ...
    • Fluid flow queue models for fixed-mobile network evaluation 

      Bernal Escribano, Álvaro (Universitat Politècnica de Catalunya, 2019-07)
      Projecte Final de Màster Oficial
      Accés obert
      A methodology for fast and accurate end-to-end KPI, like throughput and delay, estimation is proposed based on the service-centric traffic flow analysis and the fluid flow queuing model named CURSA-SQ. Mobile network ...
    • Fuchsian codes with arbitrarily high code rates 

      Blanco Chacón, Iván; Hollanti, Camilla; Alsina Aubach, Montserrat; Remón Adell, Dionís (2016-01-01)
      Article
      Accés obert
      Recently, Fuchsian codes have been proposed in Blanco-Chacon et al. (2014) [2] for communication over channels subject to additive white Gaussian noise (AWGN). The two main advantages of Fuchsian codes are their ability ...
    • High-Throughput Multi-Source Cooperation via Complex-Field Network Codin 

      Li, Guobing; Cano, Alfonso; Gómez Vilardebó, Jesús; Giannakis, Georgios G.; Pérez Neira, Ana Isabel (2011-05)
      Article
      Accés restringit per política de l'editorial
      Physical-layer network coding over wireless networks can provide considerable throughput gains with respect to traditional cooperative relaying strategies at no loss of diversity gain. In this paper, a novel cooperation ...
    • Homomorphic cryptosystems for electronic voting 

      Cusell Sánchez, Enric (Universitat Politècnica de Catalunya, 2014-01)
      Treball Final de Grau
      Accés obert
      This bachelor's degree thesis deals with homomorphic public-key cryptography, or in other words cryptosystems with special addition properties. Such cryptosystems are widely used in real life situations, for instance to ...
    • How to avoid repetitions in lattice-based deniable zero-knowledge proofs 

      Arnal i Clemente, Xavier; Cano Aguilera, Abraham; Finogina, Tamara; Herranz Sotoca, Javier (2022-06-23)
      Report de recerca
      Accés obert
      Interactive zero-knowledge systems are a very important cryptographic primitive, used in many applications, especially when deniability (also known as non-transferability) is desired. In the lattice-based setting, the ...
    • Ideal hierarchical secret sharing schemes 

      Farràs Ventura, Oriol; Padró Laimon, Carles (Springer, 2010)
      Text en actes de congrés
      Accés obert
      Hierarchical secret sharing is among the most natural generalizations of threshold secret sharing, and it has attracted a lot of attention from the invention of secret sharing until nowadays. Several constructions of ideal ...