Browsing by Author "Oliver Riera, Miquel"

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  • Bellalta, Boris (Universitat Pompeu Fabra, 2011-04-12)
    Les xarxes WLANs possibiliten un accés de banda ampla a Internet des <br/>d'un terminal mòbil, essent una possible solució alternativa a les <br/>xarxes cel·lulars. Tanmateix, aquest tipus de tecnologia presenta certes ...
  • Valls, Victor; Sánchez, José Luis; Cano Bastidas, Cristina; Bellalta, Boris; Oliver Riera, Miquel (Elsevier, 2013)
    The paper presents two mechanisms for designing an on-demand, reliable and efficient collection protocol for Wireless Sensor Networks. The former is the Bidirectional Link Quality Estimation, which allows nodes to easily ...
  • Adame, Toni; Bel, Albert; Bellalta, Boris; Barceló Vicens, Jaume; Oliver Riera, Miquel (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    M2M communications are positioned to be one of the fastest growing technology segments in the next decade. Sensor and actuator networks connect communication machines and devices so that they automatically transmit ...
  • López, Daniel; Oliver Riera, Miquel (MDPI, 2023)
    This article presents the results of a literature review and the preliminary results of interviews with directors and innovation managers of large companies on the importance of innovation in business strategy, innovation ...
  • Fabri Lima, Marcelus; Ramalhinho-Lourenço, Helena; Oliver Riera, Miquel; Muñoz, Juan Carlos (Taylor & Francis, 2020)
    This work focuses on internal logistics (IL), which is defined as the flows of materials inside the same business or the same plant. We centre on the IL activities of a car-assembling company. The main objective is to ...
  • Fabri Lima, Marcelus (Universitat Pompeu Fabra, 2020-02-05)
    This thesis focus on internal logistics flows (ILF), which is defined as the flows of materials inside the same business or the same plant. Precisely, this work approaches the ILF of SEAT, a company in the Volkswagen group. ...
  • Liao, Ruizhi (Universitat Pompeu Fabra, 2014-10-14)
    IEEE 802.11 based wireless networks, especially the infrastructure based Wireless Local Area Networks (WLANs) or Wi-Fi networks, are hugely successful, and have become an indispensable part of our life at homes and working ...
  • Oliveira, Thays A.; Gabrich, Yuri B.; Ramalhinho-Lourenço, Helena; Oliver Riera, Miquel; Lourenço, Helena; Cohen, Miri Weiss; Satoru Ochi, Luiz; Gueye, Serigne; Protti, Fábio; Pinto, Alysson A.; Ferreira, Diógenes Viegas Mendes; Coelho, Igor Machado; Coelho, Vitor Nazário (MDPI, 2020)
    Cities are constantly transforming and, consequently, attracting efforts from researchers and opportunities to the industry. New transportation systems are being built in order to meet sustainability and efficiency criteria, ...
  • Sancho Vinuesa, Teresa; Oliver Riera, Miquel; Gisbert Cervera, Mercè (UNED, 2015)
    El fenómeno MOOC, surgido en los Estados Unidos, está despertando un gran interés tanto entre académicos como entre responsables políticos en Europa. Aunque complejo y cambiante, este fenómeno ha creado expectativas tanto ...
  • Oliver Riera, Miquel; Hernández Leo, Davinia; Albó, Laia (2015-11)
    Este nuevo informe realizado por la Cátedra de Telefónica de la Universitat Pompeu Fabra/nrepresenta un segundo análisis del fenómeno MOOC (Massive Open Online Course) desde una/nperspectiva más centrada en la demanda de ...
  • Oliver Riera, Miquel; Hernández Leo, Davinia; Daza, Vanesa; Martín i Badell, Carles; Albó, Laia (2014-01)
    Podemos afirmar que España se ha situado en muy poco tiempo, y de forma sorprendente, en el/ngrupo líder de países que más actividad están generando entorno a los cursos masivos en línea/nabiertos o MOOCs (del inglés Massive ...
  • Liao, Ruizhi; Bellalta, Boris; Oliver Riera, Miquel; Niu, Zhisheng (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    As wireless devices boom and bandwidth-hungry applications (e.g., video and cloud uploading) get popular, today's wireless local area networks (WLANs) become not only crowded but also stressed at throughput. Multiuser ...
  • Barceló Vicens, Jaume; Bellalta, Boris; Cano Bastidas, Cristina; Faridi, Azadeh; Oliver Riera, Miquel (Springer, 2014)
    This paper introduces a protocol that distributively constructs a collision-free schedule for multi-hop packet radio networks in the presence of hidden terminals. As a preliminary step, each wireless station computes the ...
  • Bellalta, Boris; Barceló Vicens, Jaume; Staehle, Dirk; Vinel, Alexey; Oliver Riera, Miquel (Institute of Electrical and Electronics Engineers (IEEE), 2012)
    Multi-user spatial multiplexing combined with packet aggregation can significantly increase the performance of Wireless Local Area Networks (WLANs). In this letter, we present and evaluate a simple technique to perform ...
  • Moreno, Verónica; Hernández Leo, Davinia; Oliver Riera, Miquel; Atienza Cerezo, Encarna (CIDUI Congrés Internacional de Docència Universitària i Innovació, 2018)
    OSWALDO nace con el objetivo de promover, facilitar y acompañar en la práctica reflexiva de la mejora docente a través de un sistema de observación entre iguales. El proyecto dispone de recursos e instrumentos de apoyo ...
  • Bellalta, Boris; Faridi, Azadeh; Barceló Vicens, Jaume; Daza, Vanesa; Oliver Riera, Miquel (Elsevier, 2014)
    Multiuser Multi-Packet Transmission (MPT) from an Access Point (AP) equipped with multiple antennas to multiple single-antenna nodes can be achieved by exploiting the spatial dimension of the channel. In this paper we ...
  • Liao, Ruizhi; Bellalta, Boris; Barceló Vicens, Jaume; Valls, Victor; Oliver Riera, Miquel (Springer, 2013)
    According to the ongoing IEEE 802.11ac amendment, the wireless network is about to embrace the gigabit-per-second raw data rate. Compared with previous IEEE standards, this significant performance improvement can be ...
  • Pal, Sougata; Oechsner, Simon; Bellalta, Boris; Oliver Riera, Miquel (IOS Press, 2013)
    Interconnecting multiple sensor networks is a relatively new research field which has emerged in the Wireless Sensor Network domain. Wireless Sensor Networks (WSNs) have typically been seen as logically separate, and few ...
  • Garcia Garcia, Núria (Universitat Pompeu Fabra, 2011-04-12)
    Esta tesis doctoral se enmarca en la temática de Gestion de Recursos Radioelectricos en los sistemas de comunicaciones móviles, 3G, B3G y 4G. Como es ampliamente conocido los recursos radios son escasos, particularmente ...
  • Batikas, Michail (Universitat Pompeu Fabra, 2011-10-04)
    Les motivacions entorn al programari lliure han estat sempre un tema de gran interès, sent la pregunta més obvia, "perquè les persones treballen de forma gratuïta?". Les motivacions dels desenvolupadors han estat establertes ...

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