Now showing items 1-20 of 296

  • 5G framework for automated network adaptation in mission critical services 

    Jimeno, Elisa; Pérez Romero, Jordi; Vilà Muñoz, Irene; Blanco Jauregi, Begoña; Sanchoyerto, Aitor; Fernández, Javier (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Conference report
    Open Access
    Mission Critical Services (MCS) are gaining interest among network operators to offer alternative communications than conventional trunked radio systems. They promise a simplified management of cloud and radio resources ...
  • A 125-143-GHz frequency-reconfigurable BiCMOS compact LNA using a single RF-MEMS switch 

    Heredia, Julio; Ribó i Pal, Miquel; Pradell i Cara, Lluís; Wipf, Selin Tolunay; Göritz, Alexander; Wipf, Christian; Kaynak, Mehmet (2019-05-01)
    Article
    Open Access
    In this letter, a 125-143-GHz frequency-reconfigurable BiCMOS compact low-noise amplifier (LNA) is presented for the first time. It consists of two cascode stages and was fabricated using a 0.13-µm SiGe:C BiCMOS process, ...
  • Achieving proportional fairness in WiFi networks via convex bandit optimization 

    Famitafreshi, Golshan (Universitat Politècnica de Catalunya, 2018-10-31)
    Master thesis
    Restricted access - confidentiality agreement
    Covenantee:  Universitat Oberta de Catalunya
    In the last years, proportional fairness has attracted attention in the literature on multi-rate IEEE 802.11 WLANs. One way to improve the performance of wireless networks is contention window tuning based on proportional ...
  • Adaptative interference avoidance for IEEE 802.15.4 

    Solà Colom, Marc (Universitat Politècnica de Catalunya, 2008-06-26)
    Master thesis (pre-Bologna period)
    Open Access
    This project aims to design and implement a method to make possible IEEE 802.15.4 fair coexistence with other ISM band widespread technologies. This method is intended to provide interference robustness on packet-loss ...
  • Ad hoc networking in a medical environment 

    Benavente Mira, Diego (Universitat Politècnica de Catalunya, 2016)
    Master thesis (pre-Bologna period)
    Open Access
  • A distributed energy-aware routing protocol for underwater wireless sensor networks 

    Domingo Aladrén, Mari Carmen (2011-04-01)
    Article
    Restricted access - publisher's policy
    The design of routing protocols for Underwater Wireless Sensor Networks (UWSNs) poses many challenges due to the intrinsic properties of underwater environments. In this paper we present DUCS (Distributed Underwater ...
  • A dynamic multimetric weights distribution in a multipath routing protocol using video-streaming services over MANETs 

    Mezher, Ahmad Mohamad; Iza, Cristhian; Tripp Barba, Carolina; Aguilar Igartua, Mónica (2015)
    Conference report
    Restricted access - publisher's policy
    Mobile ad hoc networks (MANETs) are infrastructureless networks formed by wireless mobile devices. Routing in MANETs is a process where the best path will be selected so that packets will be forwarded. When a MANET ...
  • A fuzzy-based cluster-head selection system for WSNs: a comparison study for static and mobile sensors 

    Barolli, Leonard; Wang, Qi; Kulla, Ellis; Xhafa Xhafa, Fatos; Kamo, Bexhet; Takizawa, Makoto (IEEE Press. Institute of Electrical and Electronics Engineers, 2012)
    Conference report
    Restricted access - publisher's policy
  • A game-theoretic multipath routing for video-streaming services over mobile Ad Hoc networks 

    Aguilar Igartua, Mónica; Cruz Llopis, Luis Javier de la; Carrascal Frías, Víctor; Sanvicente Gargallo, Emilio (2011-06-25)
    Article
    Restricted access - publisher's policy
    The number of portable devices capable of maintaining wireless communications has increased considerably in the last decade. Such mobile nodes may form a spontaneous self-configured network connected by wireless links to ...
  • A machine learning-based approach for virtual network function modeling 

    Mestres Sugrañes, Albert; Alarcón Cot, Eduardo José; Cabellos Aparicio, Alberto (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Conference report
    Restricted access - publisher's policy
    Recent trends in networking are proposing the use of Machine Learning (ML) techniques for the control and operation of the network. The application of ML to networking brings several use-cases as well as challenges. The ...
  • A MAC protocol for reliable broadcast communications in wireless network-on-chip 

    Mestres Sugrañes, Albert; Abadal Cavallé, Sergi; Torrellas, Josep; Alarcón Cot, Eduardo José; Cabellos Aparicio, Alberto (Association for Computing Machinery (ACM), 2016)
    Conference report
    Restricted access - publisher's policy
    The Wireless Network-on-Chip (WNoC) paradigm holds considerable promise for the implementation of fast and efficient on-chip networks in manycore chips. Among other advantages, wireless communications provide natural ...
  • A model for the mobile market based on customers profile to analyze the churning process 

    Flores Méndez, Mario Rogelio; Postigo Boix, Marcos; Melus Moreno, José Luis; Stiller, Burkhard (Springer, 2016-08-04)
    Article
    Open Access
    In the current telecommunications market that is reaching high saturation levels, mobile network operators (MNOs) try to position themselves among customers through aggressive marketing campaigns and offers. In this ...
  • An adaptive solution for Wireless LAN distributed power saving modes 

    Camps Mur, Daniel; Pérez-Costa, Xavier; Sallent Ribes, Sebastián (2009-12)
    Article
    Restricted access - publisher's policy
    The current trend to incorporate the Wireless LAN technology in increasingly smaller mobile devices poses new challenges, in terms of QoS and power consumption requirements, for the design of such devices. IEEE 802.11 ...
  • Anàlisi de la capacitat de l'estàndard 802.11n en hot spots públics 

    Yurush, Tatsiana (Universitat Politècnica de Catalunya, 2016-07)
    Bachelor thesis
    36 months embargo
  • Análisis de las prestaciones de un esquema de codificación lineal aleatoria sobre redes inalámbricas 

    Garrido Torres, Pablo; Gómez, David; Lanza, Jorge; Agüero Calvo, Ramón; Serrat Fernández, Juan (2015)
    Conference report
    Restricted access - publisher's policy
    Este trabajo presenta un novedoso esquema de Network coding intra-flujo, que une un esquema de codificación aleatoria (Random Linear Combination, RLC) con el protocolo UDP. Esta combinación ofrece un servicio fiable, que ...
  • Análisis de mejora de la red de datos de una empresa del sector de distribución con multilocalización 

    Vernia Lázaro, David (Universitat Politècnica de Catalunya, 2010-11-29)
    Master thesis (pre-Bologna period)
    Open Access
    En este proyecto se ha realizado una integración de sistemas en una empresa real del sector distribución. El trabajo puede dividirse en dos grandes partes. En la primera, se ha realizado un análisis de la situación actual ...
  • Análisis y diseño de un sistema de localización utilizando el kit JN5148 con el estándar IEEE 802.15.4 

    Orrillo Choy, Oscar (Universitat Politècnica de Catalunya, 2011-11-22)
    Master thesis (pre-Bologna period)
    Open Access
    English: This project seeks to explain how to add the geographic location functionality to the many applications related to wireless sensors networks. The equipment used is a set of boards that form the JN5148 kit, produced ...
  • Análisis y evaluación de un protocolo MAC eficiente energéticamente para redes de sensores inalámbricos 

    Baños Marín, Héctor (Universitat Politècnica de Catalunya, 2010-03)
    Master thesis (pre-Bologna period)
    Open Access
    El objetivo principal de este proyecto final de carrera es el estudio, modelado y simulación del protocolo de comunicaciones WiMet (Wireless Metering protocol) sobre el entorno de simulación OMNeT++, donde WiMet se define ...
  • Analog network coding in the multiple access relay channel: error rate analysis and optimal power allocation 

    Ntontin, Konstantinos; Di Renzo, Marco; Pérez Neira, Ana Isabel; Verikoukis, Christos (2015-06-01)
    Article
    Open Access
    In this paper, we consider Analog Network Coding (ANC) in the Multiple Access Relay Channel (MARC) with multiple relays, and provide the following three-fold contribution: 1) we introduce a tractable mathematical framework ...
  • An alternative to IEEE 802.11ba: wake-up radio with legacy IEEE 802.11 transmitters 

    Cervià Caballé, Martí; Calveras Augé, Anna M.; López Aguilera, M. Elena; García Villegas, Eduard; Seyfettin Demirkol, Ilker; Paradells Aspas, Josep (Institute of Electrical and Electronics Engineers (IEEE), 2019-04-09)
    Article
    Open Access
    Current standardization process for Wake-up Radio (WuR) within the IEEE 802.11 Working Group, known as the IEEE 802.11ba, has brought interest to the IEEE 802.11-related technologies for the implementation of WuR systems. ...