Enviaments recents

  • A high-accuracy, scalable and affordable indoor positioning system using visible light positioning for automated guided vehicles 

    Boixader Coma, Aleix; Labella, Carlos; Catalán, Marisa; Paradells Aspas, Josep (2024-01-01)
    Article
    Accés obert
    Indoor Positioning Systems (IPSs) have multiple applications. For example, they can be used to guide people, to locate items in a warehouse and to support the navigation of Automated Guided Vehicles (AGV). Currently most ...
  • Improving road safety and user experience by employing dynamic in-vehicle information systems 

    Galarza Osio, Miguel Ángel; Paradells Aspas, Josep (2019-04-01)
    Article
    Accés obert
    Modern vehicular infotainment systems are becoming increasingly complex and are embracing a wide range of functionalities. Interacting with some of these functionalities, while driving, may increase the driver's workload ...
  • Understanding the impact of packet size on the energy efficiency of LoRaWAN 

    Casals Ibáñez, Lluís; Gómez Montenegro, Carlos; Vidal Ferré, Rafael (2023-12)
    Article
    Accés obert
    LoRaWAN has become a flagship LPWAN technology, and one of the main connectivity alternatives for IoT devices. Since LoRaWAN was designed for low energy consumption, it is fundamental to understand its energy performance. ...
  • Design and validation of a dual-band circular polarization patch antenna and stripline combiner for the FSSCat mission 

    Fernandez Capon, Lara Pilar; Muñoz Martín, Joan Francesc; Ruiz de Azua, Joan Adria; Calveras Augé, Anna M.; Camps Carmona, Adriano José (2023-07)
    Article
    Accés obert
    The FMPL-2 payload on board the 3Cat-5/A 6 Unit CubeSat, part of the FSSCat CubeSat mission, includes a dual L-Band Microwave Radiometer and a Global Navigation Satellite System Reflectometer, in one instrument, implemented ...
  • Deep learning TCP for mitigating NLoS impairments in 5G mmWave 

    Poorzare, Reza; Calveras Augé, Anna M. (2023-08-01)
    Article
    Accés obert
    5G and beyond 5G are revolutionizing cellular and ubiquitous networks with new features and capabilities. The new millimeter-wave frequency band can provide high data rates for the new generations of mobile networks but ...
  • IPv6 over cross-technology communication with wake-up radio 

    Aguilar Romero, Sergio; Vidal Ferré, Rafael; Gómez Montenegro, Carlos (Elsevier, 2023-07)
    Article
    Accés obert
    A variety of wireless (and wired) technologies are being used to enable Internet of Things (IoT) device connectivity. Two examples of popular technologies in some crucial IoT domains (e.g., smart home, smart factories and ...
  • Genetic algorithm-based grouping strategy for IEEE 802.11ah networks 

    García Villegas, Eduard; López García, Alejandro; López Aguilera, M. Elena (Multidisciplinary Digital Publishing Institute (MDPI), 2023-01-12)
    Article
    Accés obert
    The IEEE 802.11ah standard is intended to adapt the specifications of IEEE 802.11 to the Internet of Things (IoT) scenario. One of the main features of IEEE 802.11ah consists of the Restricted Access Window (RAW) mechanism, ...
  • Preparing Wi-Fi 7 for healthcare Internet-of-Things 

    Qadri, Yazdan Ahmad; Nain, Zulqar; Nauman, Ali; Musaddiq, Arslan; García Villegas, Eduard; Kim, Sung Won (Multidisciplinary Digital Publishing Institute (MDPI), 2022-08-18)
    Article
    Accés obert
    The healthcare Internet of Things (H-IoT) is an interconnection of devices capable of sensing and transmitting information that conveys the status of an individual’s health. The continuous monitoring of an individual’s ...
  • Energy consumption model of SCHC packet fragmentation over Sigfox LPWAN 

    Aguilar Romero, Sergio; Platis, Antonio; Vidal Ferré, Rafael; Gómez Montenegro, Carlos (Multidisciplinary Digital Publishing Institute (MDPI), 2022-03-09)
    Article
    Accés obert
    The Internet Engineering Task Force (IETF) has standardized a new framework, called Static Context Header Compression and fragmentation (SCHC), which offers adaptation layer functionality designed to support IPv6 over Low ...
  • Novel architecture for cellular IoT in future non-terrestrial networks: store and forward adaptations for enabling discontinuous feeder link operation 

    Kellermann, Timo Nicolas; Pueyo Centelles, Roger; Camps-Mur, Daniel; Ferrús Ferré, Ramón Antonio; Guadalupi, Marco; Calveras Augé, Anna M. (Institute of Electrical and Electronics Engineers (IEEE), 2022-06-29)
    Article
    Accés obert
    The Internet of Things (IoT) paradigm has already progressed from an emerging technology to an incredibly fast-growing field. Defined as one of the three key services in 5th Generation (5G), massive Machine Type Communications ...
  • Design of a deployable helix antenna at L-Band for a 1-Unit CubeSat: from theoretical analysis to flight model results 

    Fernandez Capon, Lara Pilar; Sobrino Hidalgo, Marco; Ruiz de Azua, Joan Adria; Calveras Augé, Anna M.; Camps Carmona, Adriano José (Multidisciplinary Digital Publishing Institute (MDPI), 2022-05-01)
    Article
    Accés obert
    The 3Cat-4 mission aims at demonstrating the capabilities of a CubeSat to perform Earth Observation (EO) by integrating a combined GNSS-R and Microwave Radiometer payload into a 1-Unit CubeSat. One of the greatest challenges ...
  • On-demand satellite payload execution strategy for natural disasters monitoring using LoRa: observation requirements and optimum medium access layer mechanisms 

    Fernandez Capon, Lara Pilar; Ruiz de Azua, Joan Adria; Calveras Augé, Anna M.; Camps, Adriano (Multidisciplinary Digital Publishing Institute (MDPI), 2021-10-01)
    Article
    Accés obert
    Natural disasters and catastrophes are responsible for numerous casualties and important economic losses. They can be monitored either with in-situ or spaceborne instruments. However, these monitoring systems are not ...

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