Enviaments recents

  • TCP in the Internet of Things: from ostracism to prominence 

    Gómez Montenegro, Carlos; Arcia Moret, Andrés; Crowcroft, Jon (2018-01-16)
    Article
    Accés obert
    TCP has traditionally been neglected as a transport-layer protocol for the Internet of Things (IoT). However, recent trends and industry needs are favoring TCP presence in IoT environments. In this article, we describe the ...
  • Evaluation of IEEE 802.11 coexistence in WLAN deployments 

    López Aguilera, M. Elena; García Villegas, Eduard; Casademont Serra, Jordi (Springer, 2017-06-17)
    Article
    Accés obert
    Wi-Fi has become a successful technology since the publication of its first WLAN standard due to continuous advances and updates while remaining always backwards compatible. Backwards compatibility among subsequent standards ...
  • From 6LoWPAN to 6Lo: expanding the universe of IPv6-supported technologies for the Internet of Things 

    Gómez Montenegro, Carlos; Paradells Aspas, Josep; Bormann, Carsten; Crowcroft, Jon (2017-12-01)
    Article
    Accés obert
    Leveraging 6LoWPAN, the IETF 6Lo Working Group has targeted adaptation of IPv6 over a new generation of communication technologies for the IoT. These comprise Bluetooth LE, ITU-T G.9959, DECT ULE, MS/TP, NFC, IEEE 1901.2, ...
  • IEEE 802.11ax: challenges and requirements for future high efficiency wifi 

    Afaqui, Muhammad Shahwaiz Iqbal; García Villegas, Eduard; López Aguilera, M. Elena (2017-06-01)
    Article
    Accés restringit per política de l'editorial
    The popularity of IEEE 802.11 based wireless local area networks (WLANs) has increased significantly in recent years because of their ability to provide increased mobility, flexibility, and ease of use, with reduced cost ...
  • A bluetooth low energy indoor positioning system with channel diversity, weighted trilateration and Kalman filtering 

    Cantón Paterna, Vicente; Calveras Augé, Anna M.; Paradells Aspas, Josep; Perez Bullones, Maria Antonia (Multidisciplinary Digital Publishing Institute (MDPI), 2017-12-01)
    Article
    Accés obert
    Indoor Positioning Systems (IPS) using Bluetooth Low Energy (BLE) technology are currently becoming real and available, which has made them grow in popularity and use. However, there are still plenty of challenges related ...
  • Wireless-optical network convergence: enabling the 5G architecture to support operational and end-user services 

    Tzanakaki, Anna; Anastasopoulos, Markos; Berberana, Ignacio; Syrivelis, Dimitris; Flegkas, Paris; Korakis, Thanasis; Camps Mur, Daniel; Seyfettin Demirkol, Ilker; Gutiérrez Terán, Jesús; Grass, Eckhard; Wei, Qing; Pateromichelakis, Emmanouil; Vucic, Nikola; Fehske, Albrecht; Grieger, Michael; Eiselt, Michael; Bartelt, Jens; Fettweis, Gerhard; Lyberopoulos, George; Theodoropoulou, Eleni; Simeonidou, Dimitra (2017-10-01)
    Article
    Accés obert
    This article presents a converged 5G network infrastructure and an overarching architecture to jointly support operational network and end-user services, proposed by the EU 5G PPP project 5G-XHaul. The 5G-XHaul infrastructure ...
  • A distributed man-machine dispatching architecture for emergency operations based on 3GPP mission critical services 

    Viamonte Solé, David; Calveras Augé, Anna M. (Institute of Electrical and Electronics Engineers (IEEE), 2017-12-16)
    Article
    Accés obert
    With the number of non-human devices expected to significantly overtake human users of LTE networks, it is no surprise that First Responders in Mission Critical operations will need to interact with an increasing number ...
  • Bluetooth low energy mesh networks: a survey 

    Gómez Montenegro, Carlos; Darroudi, Seyed Mahdi (MDPI AG, 2017-07-01)
    Article
    Accés obert
    luetooth Low Energy (BLE) has gained significant momentum. However, the original design of BLE focused on star topology networking, which limits network coverage range and precludes end-to-end path diversity. In contrast, ...
  • 5G transport network requirements for the next generation fronthaul interface 

    Bartelt, Jens; Vucic, Nikola; Camps Mur, Daniel; García Villegas, Eduard; Seyfettin Demirkol, Ilker; Fehske, Albrecht; Grieger, Michael; Tzanakaki, Anna; Gutiérrez Terán, Jesús; Grass, Eckhard; Lyberopoulos, George; Fettweis, Gerhard (2017-05-15)
    Article
    Accés obert
    To meet the requirements of 5G mobile networks, several radio access technologies, such as millimeter wave communications and massive MIMO, are being proposed. In addition, cloud radio access network (C-RAN) architectures ...
  • Modeling the energy performance of LoRaWAN 

    Casals Ibáñez, Lluís; Mir Masnou, Bernat; Vidal Ferré, Rafael; Gómez Montenegro, Carlos (MDPI AG, 2017-10-16)
    Article
    Accés obert
    LoRaWAN is a flagship Low-Power Wide Area Network (LPWAN) technology that has highly attracted much attention from the community in recent years. Many LoRaWAN end-devices, such as sensors or actuators, are expected not to ...
  • 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
    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 technologies lack ...
  • 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 obert
    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 ...

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