Now showing items 1-20 of 372

  • 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, ...
  • AAA 

    Navarro Morales, Lara (Factoria BCBL, 2011-05-02)
    Audiovisual
    Open Access
  • AAA: autenticación, autorización y accounting 

    Marín Vinuesa, Lara (2010-05-20)
    Audiovisual
    Open Access
  • AAA: autentificación, autoritzación y accounting 

    Toro Sánchez, Alberto Carlos (2010-12)
    Audiovisual
    Open Access
  • AAA Protocol. Autenticació, autorització i comptabilitat 

    Mengual, Ester (Factoria BCBL, 2012-05)
    Audiovisual
    Open Access
  • A case of acquisition, transmission and use of information to control a manufacturing process 

    Fernández Román, Laura (Universitat Politècnica de Catalunya, 2009-10-08)
    Master thesis
    Open Access
  • A channel allocation algorithm for OSA-Enabled IEEE 802.11 WLANs 

    Novillo Parales, Francisco Vicente; Churchman, Mathew; Ferrús Ferré, Ramón Antonio; Agustí Comes, Ramon (2009-09)
    Conference report
    Open Access
    Channel allocation problem is a major challenge in wireless local area networks (WLANs), especially in dense deployments of access points (APs) where congestion of the unlicensed spectrum bands (i.e., ISM bands) could ...
  • A channel allocation algorithm for OSA-Enabled IEEE 802.11 WLANs 

    Novillo Parales, Francisco Vicente; Churchman, Mathew; Ferrús Ferré, Ramón Antonio; Agustí Comes, Ramon (2009)
    Conference report
    Open Access
    Channel allocation problem is a major challenge in wireless local area networks (WLANs), especially in dense deployments of access points (APs) where congestion of the unlicensed spectrum bands (i.e., ISM bands) could ...
  • 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 ...
  • A cross-layer energy-saving mechanism for an enhancement of 802.11 WLAN systems 

    Begoña, Otal; Alonso Zárate, Luis Gonzaga (Institute of Electrical and Electronics Engineers (IEEE), 2004)
    Conference lecture
    Restricted access - publisher's policy
    Most multiple access collision avoidance-based (MAC) protocols for WLAN systems have been using fixed transmission power and have not considered energy-saving techniques targeted on channel estimation models. In order to ...
  • A cross-layer scheduling algorithm for DQCA-based WLAN systems with heterogeneous voice-data traffic 

    Kartsakli, Elli; Cateura, Alex; Verikoukis, Christos; Alonso Zárate, Luis Gonzaga (ieee, 2005-09-30)
    Conference lecture
    Restricted access - publisher's policy
    This paper proposes a cross-layer priority-based scheduling algorithm for WLAN systems using the DQCA MAC protocol where heterogeneous voice-data traffic is present. In this algorithm voice users have always the highest ...
  • 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 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 ...