Des de la seva formació l'any 1988, tasques de consultoria, formació i investigació en diferents àmbits de les comunicacions mòbils, xarxes sense fils, protocols de comunicació i adaptació de continguts. Part d'aquestes tasques s'han realitzat per a organismes i empreses líders del sector: Telefónica, Vodafone, Retevisión, Alcatel, Sener, Doxa, Unitek, Fecsa, Institut Català de Tecnologia, Associació Catalana d'Enginyers de Telecomunicació, Centre de Telecomunicació de la Generalitat de Catalunya, etc. Les activitats d'investigació del grup WNG s'emmarquen en projectes d'investigació amb subvenció pública, principalment del Ministerio de Educación y Ciencia i de la Comissió Europea. Diversos membres del WNG participen en l'avaluació de propostes i revisions de projectes en execució dels esmentats organismes.

Pàgina web del grup de recerca

Enviaments recents

  • Towards free form surfaces 

    Cotrina Navau, Josep; Pla García, Núria; Vigo Anglada, Marc (2001-03)
    Report de recerca
    Accés obert
    A theoretical approach to construct free form surfaces is presented. We develop the conceps that arise when a free form surface is generated by tracing a mesh, using differentiable manifold theory, and generalizing the ...
  • Multi-beam zooming: an enabler for energy efficient 5G networks 

    Molluru, S. K.; Seyfettin Demirkol, Ilker; Wei-Ho, Chung (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    The demand for electrical power is growing tremendously, which poses grand challenges to modern energy systems. The telecommunications industry takes a significant part in the global power consumption. In this work we ...
  • Free form surfaces 

    Cotrina Navau, Josep; Pla García, Núria (2000-05)
    Report de recerca
    Accés obert
    A method to construct continuous order k surfaces of arbitrary topological type by tracing a mesh that represents a 2-manifold is presented. The presented approach constructs the surface from a collection of pieces which ...
  • Has time come to switch from duty-cycled MAC protocols to wake-up radio for wireless sensor networks? 

    Oller, Joaquim; Seyfettin Demirkol, Ilker; Casademont Serra, Jordi; Paradells, Josep; Gamm, Gerd Ulrich; Reindl, Leonhard Michael (2016-04-01)
    Article
    Accés obert
    Duty-cycled Medium Access Control (MAC) protocols certainly improve the energy efficiency of wireless networks. However, most of these protocols still suffer from severe degrees of overhearing and idle listening. These two ...
  • On-demand sensor node wake-up using solar panels and visible light communication 

    Carrascal, Carolina; Seyfettin Demirkol, Ilker; Paradells, Josep (2016-03-01)
    Article
    Accés obert
    To significantly reduce, or eliminate completely, the energy waste caused by the standby (idle) mode of wireless sensor nodes, we propose a novel on-demand wake-up system, which allows the nodes to be put into sleep mode ...
  • A practical framework for 802.11 MIMO rate adaptation 

    Deek, Lara; García Villegas, Eduard; Belding, Elizabeth; Lee, Sung-Ju; Almeroth, Kevin (2015-06-04)
    Article
    Accés restringit per política de l'editorial
    The emergence of MIMO antennas and channel bonding in 802.11n wireless networks has resulted in a huge leap in capacity compared with legacy 802.11 systems. This leap, however, adds complexity to optimizing transmission. ...
  • Enabling always on service discovery: WI-FI neighbor awareness networking (NAN) 

    Camps Mur, Daniel; García Villegas, Eduard; López Aguilera, M. Elena; Loureiro, Paulo; Lambert, Paul; Raissinia, Ali (2015-04-01)
    Article
    Accés obert
    There is untapped potential in the WiFi radios embedded in our smartphone and tablet devices. In this article we introduce the WiFi Neighbor Awareness Networking technology being standardized in the WiFi Alliance (R), which ...
  • A novel cheater and jammer detection scheme for IEEE 802.11-based wireless LANs 

    García Villegas, Eduard; Afaqui, Muhammad Shahwaiz Iqbal; López Aguilera, M. Elena (2015-07-05)
    Article
    Accés restringit per política de l'editorial
    The proliferation of IEEE 802.11 networks has made them an easy and attractive target for malicious devices/adversaries which intend to misuse the available network. In this paper, we introduce a novel malicious entity ...
  • Large-scale performance evaluation of the IETF Internet of Things protocol suite for smart city solutions 

    Isern, Javier; Betzler, August; Gómez Montenegro, Carlos; Seyfettin Demirkol, Ilker; Paradells Aspas, Josep (2015)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    The Internet of Things (IoT) intends to interconnect massive amount of heterogeneous, smart devices, with the goal of interweaving the virtual world with the physical world. Smart Cities are typical IoT application domains, ...
  • Evaluation of advanced congestion control mechanisms for unreliable CoAP communications 

    Betzler, August; Gómez Montenegro, Carlos; Seyfettin Demirkol, Ilker (2015)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Networks of constrained devices play an important role in the Internet of Things (IoT). In such networks congestion may lead to significant performance decrease and is a recurring phenomenon given the restricted hardware ...

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