Exploració per autor "Paradells Aspas, Josep"
Ara es mostren els items 29-48 de 75
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IEEE 802.11-enabled wake-up radio system: design and performance evaluation
Oller Bosch, Joaquim; García Villegas, Eduard; López Aguilera, M. Elena; Demirkol, Ilker Seyfettin; Casademont Serra, Jordi; Paradells Aspas, Josep; Gamm, Gerd Ulrich; Reindl, Leonhard Michael (Institution of Electrical Engineers, 2014-09-25)
Article
Accés obertToday, the vast majority of personal communication devices, such as laptops, smartphones, and logically wireless fidelity (Wi-Fi) access points feature IEEE 802.11 chipsets. In turn, wake-up radio (WuR) systems are used ... -
IEEE 802.11-Enabled Wake-Up Radio: use cases and applications
López Aguilera, M. Elena; Demirkol, Ilker Seyfettin; García Villegas, Eduard; Paradells Aspas, Josep (Multidisciplinary Digital Publishing Institute (MDPI), 2019-12-21)
Article
Accés obertIEEE 802.11 is one of the most commonly used radio access technologies, being present in almost all handheld devices with networking capabilities. However, its energy-hungry communication modes are a challenge for the ... -
IEEE Wireless LAN capacity in multicell environments with rate adaptation
García Villegas, Eduard; López Aguilera, M. Elena; Vidal Ferré, Rafael; Paradells Aspas, Josep (2007-06-16)
Text en actes de congrés
Accés obertSince the advent of the first IEEE 802.11 standard, many research efforts have been spent on evaluating different aspects of the specification. In this paper, we present a new method to predict the capacity of a multicell ... -
Impact of LQI-based routing metrics on the performance of a one-to-one routing protocol for IEEE 802.15.4 multihop networks
Gómez Montenegro, Carlos; Boix Requesens, Antoni; Paradells Aspas, Josep (2010)
Article
Accés obert -
Implementation and evaluation of the enhanced header compression (IPHC) for 6LoWPAN
Ludovici, Alessandro; Calveras Augé, Anna M.; Catalán Cid, María Luisa; Gómez Montenegro, Carlos; Paradells Aspas, Josep (2009)
Article
Accés restringit per política de l'editorial6LoWPAN defines how to carry IPv6 packets over IEEE 802.15.4 low power wireless or sensor networks. Limited bandwidth, memory and energy resources require a careful application of IPv6 in a LoWPAN. The IEEE 802.15.4 ... -
Implementation of context-aware network architecture for smart objects based on functional composition
Ferrer Riera, José Luis; Sánchez Loro, Xavier; Calveras Augé, Anna M.; Paradells Aspas, Josep (2012)
Text en actes de congrés
Accés obertLack of flexibility of current Internet architecture led researchers to come up with new paradigms for a novel Internet architecture, which would be able to reduce complexity and increase flexibility compared to current ... -
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 obertModern 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 ... -
Infrastructureless smart cities. Use cases and performance
Paradells Aspas, Josep; Gómez Montenegro, Carlos; Demirkol, Ilker Seyfettin; Oller Bosch, Joaquim; Catalán Cid, María Luisa (Institute of Electrical and Electronics Engineers (IEEE), 2014)
Text en actes de congrés
Accés restringit per política de l'editorialSmart cities are a hot topic nowadays for several reasons. For city managers and citizens a smart city is a concept that should allow providing better services and/or with more efficiency. For technicians a smart city ... -
Integración de sistemas de comunicaciones móviles inalámbricas en una plataforma GIS
Casademont Serra, Jordi; López Aguilera, M. Elena; Paradells Aspas, Josep (2002)
Text en actes de congrés
Accés obertEl artículo presenta una nueva plataforma desarrollada para la comercialización de servicios avanzados de información geográfica para uso en dispositivos portátiles. La plataforma utiliza las redes de telecomunicación ... -
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 obertMore 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 ... -
Integration of wireless communications in a GIS platform
Casademont Serra, Jordi; López Aguilera, M. Elena; Paradells Aspas, Josep (2002-11)
Text en actes de congrés
Accés obertThis paper presents a new developed platform for the Commercialisation of Advanced Services of Geographical Information, focussed in portables devices, and that makes use of the telecommunication networks available today: ... -
La Internet del Futur: Anàlisi retrospectiva, reflexió i posicionament estratègic
Serra Hurtado, Arturo; Alcober Segura, Jesús Ángel; Cervelló Pastor, Cristina; Domingo Pascual, Jordi; Fernández, Gabriel; Junyent Giralt, Gabriel; Oliver, Miquel; Paradells Aspas, Josep; Sallent Ribes, Sebastián (2008-07)
Report de recerca
Accés obertAquest treball té com a objectiu analitzar la situació actual de la Internet, per proposar noves alternatives i dibuixar un possible camí cap a la Internet del Futur. Aquesta anàlisi vol ser un punt de partida, un document ... -
La mobilitat a Internet (I Part)
Vidal Ferré, Rafael; Paradells Aspas, Josep; Casademont Serra, Jordi (2006-09)
Article
Accés obert -
Large-scale performance evaluation of the IETF Internet of Things protocol suite for smart city solutions
Isern, Javier; Betzler, August; Gómez Montenegro, Carlos; Demirkol, Ilker Seyfettin; Paradells Aspas, Josep (2015)
Comunicació de congrés
Accés restringit per política de l'editorialThe 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, ... -
Mean waiting time in the M/H2/s queue: application to mobile communications Systems
Barceló Arroyo, Francisco; Paradells Aspas, Josep; Aguilar Igartua, Mónica (Wissenschaft & Technik, 1997)
Comunicació de congrés
Accés obertIn this paper a procedure to approximately calculate the mean waiting time in the M/H2/s queue is presented. The approximation is heuristic although based in the intuitive symmetry between the deterministic and balanced ... -
Modeling the maximum throughput of bluetooth low energy in an error-prone link
Gómez Montenegro, Carlos; Demirkol, Ilker Seyfettin; Paradells Aspas, Josep (2011-11)
Article
Accés restringit per política de l'editorialWe present an analytical model for the maximum throughput of Bluetooth Low Energy (BLE), considering the presence of uncorrelated bit errors and the impact of a key BLE parameter that defines the time between the start ... -
New algorithm for distributed frequency assignments in IEEE 802.11
García Villegas, Eduard; Vidal Ferré, Rafael; Paradells Aspas, Josep (2007-02-28)
Text en actes de congrés
Accés obertThe continuous growth of IEEE 802.11 wireless local area networks (WLAN) brings the benefit of a high speed wireless access to packet networks, such as Internet. But it also entails the successive appearance of new ... -
Optimization of inter-domain presence traffic based on privacy rule sharing: performance and impact on the IMS
Beltrán Martínez, María Victoria; Paradells Aspas, Josep (2012)
Article
Accés restringit per política de l'editorialPresence information was the key enabler of the great success of instant messaging applications. This information was first limited to simple binary states such as online, offline, or busy. However, it is currently evolving ... -
Optimizing the delivery chain in heterogenous networks
Sánchez Loro, Xavier; Paradells Aspas, Josep; Casademont Serra, Jordi; Ferrer, Josep Lluís (2011)
Capítol de llibre
Accés restringit per política de l'editorialHerein, we will focus on proposing a service taxonomy and classification for RBA/SOA architectures aiming to model a common framework for the description and composition of possible Atomic Ser- vices or networking ... -
Performance evaluation and comparative analysis of SubCarrier Modulation Wake-up radio systems for energy-efficient wireless sensor networks
Oller Bosch, Joaquim; Demirkol, Ilker Seyfettin; Casademont Serra, Jordi; Paradells Aspas, Josep; Gamm, Gerd Ulrich; Reindl, Leonhard Michael (2013-12-19)
Article
Accés obertEnergy-efficient communication is one of the main concerns of wireless sensor networks nowadays. A commonly employed approach for achieving energy efficiency has been the use of duty-cycled operation of the radio, where ...