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Ara es mostren els items 76-86 de 86

    • Rate adaptation in 3GPP video streaming using track switching over a multihop WLAN 

      Catalán, Eliseo; Casademont Serra, Jordi; Ferrer, Josep Lluís; Sánchez Loro, Xavier (2009)
      Text en actes de congrés
      Accés obert
      In nowadays communication technologies, one of the main challenges to overcome is how to translate theoretical algorithms, designed protocols, existing hardware products from different manufacturers and the already knowhow ...

    • Sobre la justicia en las redes IEEE 802.11e: desincronización de su mecanismo de acceso al medio 

      López Aguilera, M. Elena; Casademont Serra, Jordi; Cotrina Navau, Josep (Institute of Electrical and Electronics Engineers, 2007-10)
      Article
      Accés obert
      Since the advent of the first IEEE 802.11 standard, several papers have proposed means of providing QoS to IEEE 802.11 networks and evaluate various traffic-prioritization mechanisms. Nevertheless, studies on the assignment ...

    • Study of asymmetric traffic influence on IEEE 802.11 WLAN family, enhancement proposals 

      López Aguilera, M. Elena; Casademont Serra, Jordi; Cotrina Navau, Josep (Institute of Electrical and Electronics Engineers, 2004-04)
      Text en actes de congrés
      Accés obert
      This paper is focused on the study of WLAN performance in IEEE 802.11 networks that are in a situation of asymmetric traffic, where the access point (AP) transmits much more than the user stations (US). This situation is ...

    • Telefonia mòbil : pràctiques amb simulador software 

      Casademont Serra, Jordi; Paradells Aspas, Josep (Edicions UPC, 1999)
      Llibre
      Accés restringit a la comunitat UPC
      Aquest llibre correspon al manual de pràctiques d'un simulador de comunicacions mòbils cel·lulars que pot executar-se amb o sense animació. La pràctica que es proposa cobreix dos camps diferents, el primer són els sistemes ...

    • The CARAMEL project: a secure architecture for connected and autonomous vehicles 

      Vitale, Christian; Piperigkos, Nikos; Laoudias, Christos; Ellinas, Georgios; Casademont Serra, Jordi; Khodashenas, Pouria Sayyad; Kloukiniotis, Andreas; Lalos, Aris; Moustakas, Konstantinos; Barrientos, Pablo; Moreno, Javier; Kapsalas, Petros; Hofmann, Klaus Peter (Institute of Electrical and Electronics Engineers (IEEE), 2020)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The main goals of the CARAMEL project are to enhance the protection of modern vehicles against cybersecurity threats related to automated driving, smart charging of Electric Vehicles, and communication among vehicles or ...

    • Time-Knocking: a novel addressing mechanism for wake-up receivers 

      Oller Bosch, Joaquim; Demirkol, Ilker Seyfettin; Paradells Aspas, Josep; Casademont Serra, Jordi; Heinzelman, Wendi (Institute of Electrical and Electronics Engineers (IEEE), 2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Wake-up radios present a promising alternative to traditional duty-cycle approaches, by reducing overhearing and by eliminating idle listening completely. However, energy-efficient operation of the wake-up mechanism is ...

    • Transmit power control mechanisms in IEEE 802.11 cellular networks 

      López Aguilera, M. Elena; Casademont Serra, Jordi (Association for Computing Machinery, 2006)
      Text en actes de congrés
      Accés obert
      Actually, Wireless Local Area Networks (WLAN) are being extensively deployed in many places to provide easy access to Internet. Moreover, networks that span large buildings or campuses must comprise multiple cells. ...

    • Understanding the impact of the PC5 resource grid design on the capacity and efficiency of LTE-V2X in vehicular networks 

      Lopez, Leandro Miguel Wong; Mendoza, Charmae Franchesca Ugnaya; Casademont Serra, Jordi; Camps Mur, Daniel (2020-06-01)
      Article
      Accés obert
      Vehicular communications will foster mobility services and enable mass adoption of future autonomous vehicles, interchanging huge amount of data acquired from vehicles’ sensors. 3GPP Release 14 presents the first standard ...

    • Wake-up radio as an energy-efficient alternative to conventional wireless sensor networks MAC protocols 

      Oller Bosch, Joaquim; Demirkol, Ilker Seyfettin; Casademont Serra, Jordi; Paradells Aspas, Josep; Gamm, Gerd Ulrich; Reindl, Leonhard (Association for Computing Machinery (ACM), 2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The use of duty-cycling in Medium Access Control (MAC) protocols effectively helps improving the energy efficiency of wireless networks. However, while the benefits of these protocols are unquestionable, most of them still ...

    • Wake-up radio systems for cooperative-intelligent transport systems architecture 

      Casademont Serra, Jordi; López Aguilera, M. Elena; Paradells, Josep (2019)
      Text en actes de congrés
      Accés obert
      Cooperative-Intelligent Transport systems are new applications developed on top of communications between vehicles and between vehicles and fixed infrastructure. Their architecture envisages devices deployed along the ...

    • Wireless technology applied to GIS 

      Casademont Serra, Jordi; López Aguilera, M. Elena; Paradells Aspas, Josep; Rojas Espinosa, Alfonso; Calveras Augé, Anna M.; Barceló Arroyo, Francisco; Cotrina Navau, Josep (Elsevier, 2004-07)
      Article
      Accés restringit per política de l'editorial
      At present, there is a growing interest in wireless applications, due to the fact that the technology begins to support them at reasonable costs. In this paper, we present the technology currently available for use in ...