Enviaments recents

  • Design and realization of precise indoor localization mechanism for Wi-Fi devices 

    Su, Weideng; Liu, Erwu; Calveras Augé, Anna M.; García Villegas, Eduard; Wang, Rui; You, Jiayi (2016-12-31)
    Comunicació de congrés
    Accés obert
    Despite the abundant literature in the field, there is still the need to find a time-efficient, highly accurate, easy to deploy and robust localization algorithm for real use. The algorithm only involves minimal human ...
  • Towards energy-autonomous wake-up receiver using visible light communication 

    Sariol Ramos, Joyce; Seyfettin Demirkol, Ilker; Paradells Aspas, Josep; Vössing, Daniel; Gad, Karim M.; Kasemann, Martin (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Text en actes de congrés
    Accés obert
    The use of Visible Light Communication (VLC) in wake-up communication systems is a potential energy-efficient and low-cost solution for wireless communication of consumer electronics. In this paper, we go one step further ...
  • MH-REACH-Mote: supporting multi-hop passive radio wake-up for wireless sensor network 

    Chen, Li; Warner, Jeremy; Seyfettin Demirkol, Ilker; Heinzelman, Wendi (2015)
    Text en actes de congrés
    Accés obert
    A passive wake-up radio in a wireless sensor network (WSN) has the advantage of increasing network lifetime by using a wake-up radio receiver (WuRx) to eliminate unnecessary idle listening. A sensor node equipped with a ...
  • 5G Infrastructures supporting end-user and operational services: the 5G-XHaul architectural perspective 

    Tzanakaki, Anna; Simeonidou, Dimitra; Berberana, Ignacio; Syrivelis, Dimitris; Camps Mur, Daniel; Seyfettin Demirkol, Ilker; Gutiérrez, Jesús; Wei, Qing; Fehske, Albrecht; Eiselt, Michael; Bartelt, Jens; Lyberopoulos, George; Grass, Eckhard; Anastasopoulos, Markos; Korakis, Thanasis; Flegkas, Paris; Pateromichelakis, Emmanouil; Grieger, Michael; Theodoropoulou, Eleni (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Text en actes de congrés
    Accés obert
    We propose an optical-wireless 5G infrastructure offering converged fronthauling/backhauling functions to support both operational and end-user cloud services. A layered architectural structure required to efficiently ...
  • Competition: interference-aware multi-channel cross layer protocol for energy-efficient and low-delay networking 

    Sierra Aiello, Guillermo; Seyfettin Demirkol, Ilker; Calveras Augé, Anna M.; Gómez Montenegro, Carlos; García Villegas, Eduard; Betzler, August (Association for Computing Machinery (ACM), 2016)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    This document aims to present the general ideas and methodology that are planned to be used for the EWSN 2016 Dependability Competition by the Wireless Networks Group of Universitat Politecnica de Catalunya. We designed, ...
  • On the benefits of wireless SDN in networks of constrained edge devices 

    Bestler, August; Quer, Ferran; Campus Mur, Daniel; Seyfettin Demirkol, Ilker; García Villegas, Eduard (2016)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    In this paper we study the benefits of applying Software Defined Networking (SDN) to control forwarding in a network of constrained wireless edge devices. The proposed architecture is applicable to dense Small Cell deployments ...
  • 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 ...
  • 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 ...
  • Evaluation of dynamic sensitivity control algorithm for IEEE 802.11ax 

    Afaqui, Muhammad Shahwaiz Iqbal; García Villegas, Eduard; López Aguilera, M. Elena; Smith, Graham; Camps Mur, Daniel (2015)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    The explosive growth in the usage of IEEE 802.11 network has resulted in dense deployments in diverse environments. Most recently, the IEEE working group has triggered the IEEE 802.11ax project, which aims to amend the ...

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