Enviaments recents

  • Throughput and range characterization of IEEE 802.11ah 

    Baños González, Víctor Hugo; Afaqui, Muhammad Shahwaiz; López, Elena; García Villegas, Eduard (2017-08-23)
    Article
    Accés obert
    © 2017 IEEE. The most essential part of Internet of Things (IoT) infrastructure is the wireless communication system that acts as a bridge for the delivery of data and control messages. However, the existing wireless ...
  • Enhanced multiclass SVM with thresholding fusion for speech-based emotion classification 

    Yang, Na; Yuan, Jianbo; Zhou, Yun; Seyfettin Demirkol, Ilker; Duan, Zhiyao; Heinzelman, Wendi; Sturge Apple, Melissa L. (2017-03-01)
    Article
    Accés restringit per política de l'editorial
    As an essential approach to understanding human interactions, emotion classification is a vital component of behavioral studies as well as being important in the design of context-aware systems. Recent studies have shown ...
  • Evaluación del impacto de la cooperación universidad-empresa en la docencia de una asignatura de Ingeniería telemática 

    Oller Arcas, Antonio; García Villegas, Eduard; Gallardo Gómez, Antonia; Fuentes, Jorge (2016-12-07)
    Article
    Accés obert
    La EETAC (escuela de ingeniería en telecomunicaciones y aerospacial de Castelldefels) es una escuela pionera en la Universidad politécnica por sus metodologías docentes. Este trabajo muestra la experiencia de una colaboración ...
  • Opportunistic sensor data collection with bluetooth low energy 

    Aguilar, Sergio; Vidal Ferre, Rafael; Gómez Montenegro, Carlos (2017-01-23)
    Article
    Accés obert
    Bluetooth Low Energy (BLE) has gained very high momentum, as witnessed by its widespread presence in smartphones, wearables and other consumer electronics devices. This fact can be leveraged to carry out opportunistic ...
  • CoAP congestion control for the Internet of Things 

    Betzler, August; Gómez Montenegro, Carlos; Seyfettin Demirkol, Ilker; Paradells Aspas, Josep (2016-07)
    Article
    Accés obert
    CoAP is a lightweight RESTful application layer protocol devised for the IoT. Operating on top of UDP, CoAP must handle congestion control by itself. The core CoAP specification defines a basic congestion control mechanism, ...
  • Experimental evaluation of congestion control for CoAP communications without end-to-end reliability 

    Betzler, August; Isern, Javier; Gómez Montenegro, Carlos; Seyfettin Demirkol, Ilker; Paradells Aspas, Josep (Elsevier, 2016-12-01)
    Article
    Accés restringit per política de l'editorial
    The Constrained Application Protocol (CoAP) has been designed by the Internet Engineering Task Force (IETF) for Internet of Things (IoT) communications. CoAP is a lightweight, request/response-based RESTful protocol that ...
  • IEEE 802.11ah: a technology to face the IoT challenge 

    Baños González, Víctor Hugo; Afaqui, Muhammad Shahwaiz Iqbal; López Aguilera, M. Elena; García Villegas, Eduard (2016-11-22)
    Article
    Accés obert
    Since the conception of the Internet of things (IoT), a large number of promising applications and technologies have been developed, which will change different aspects in our daily life. This paper explores the key ...
  • 5G-XHaul: a converged optical and wireless solution for 5G transport networks 

    Gutiérrez Terán, Jesús; Maletic, Nebojsa; Camps Mur, Daniel; García Villegas, Eduard; Berberana, Ignacio; Anastasopoulos, Markos; Tzanakaki, Anna; Kalokidou, Vaia; Flegkas, Paris; Syrivelis, Dimitris; Korakis, Thanasis; Legg, Peter; Markovic, Dusan; Limperopoulos, George; Bartelt, Jens; Chaudhary, Jay Kant; Grieger, Michael; Vucic, Nikola; Zou, Jim; Grass, Eckhard (Wiley-Blackwell, 2016-07-08)
    Article
    Accés obert
    The common European Information and Communications Technology sector vision for 5G is that it should leverage on the strengths of both optical and wireless technologies. In the 5G context, a wide spectra of radio access ...
  • Integration of an adaptive infotainment system in a vehicle and validation in real driving scenarios 

    Galarza Osio, Miguel Ángel; Bayona Margarit, Teresa; Paradells Aspas, Josep (2017-02-15)
    Article
    Accés obert
    More services, functionalities, and interfaces are increasingly being incorporated into current vehicles and may overload the driver capacity to perform primary driving tasks adequately. For this reason, a strategy for ...
  • BaNa: a noise resilient fundamental frequency detection algorithm for speech and music 

    Yang, Na; Ba, He; Cai, Weiyang; Seyfettin Demirkol, Ilker; Heinzelman, Wendi (2014-08-27)
    Article
    Accés obert
    Fundamental frequency (F0) is one of the essential features in many acoustic related applications. Although numerous F0 detection algorithms have been developed, the detection accuracy in noisy environments still needs ...

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