Exploració per autor "García Vidal, Jorge"
Ara es mostren els items 21-40 de 41
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Internet traffic and the behavior of processing workloads
Zilan, Ruken; Verdú Mulà, Javier; García Vidal, Jorge; Nemirovsky, Mario; Valero Cortés, Mateo (2009-06)
Text en actes de congrés
Accés obertNowadays, the evolution of network services provided at the edge of Internet increases the requirements of network applications. Such applications result in complexities thus, the processors need to execute more complex ... -
Interoperable Digital Proximity Tracing protocol (IDPT)
García Vidal, Jorge (2020-05-19)
Report de recerca
Accés obertThis document introduces the Interoperable Digital Proximity Tracing (IDPT) protocol, that can be run by applications that also run the DP3T digital proximity tracking protocol to enable interoperability with the ROBERT ... -
Machine Learning (ML) module
Barceló Ordinas, José María; García Vidal, Jorge; Ferrer Cid, Pau (Universitat Politècnica de Catalunya, 2023-06-27)
Apunts
Accés obert -
Modelos analíticos para la evaluación de mecanismos de control de tráfico en redes ATM
García Vidal, Jorge (Universitat Politècnica de Catalunya, 1992-02-27)
Tesi
Accés obertSe presentan una serie de modelos analíticos que son de utilidad para la evaluación de mecanismos de control de tráfico en redes digitales de servicios integrados de alta velocidad que usan conmutación de paquetes. En ... -
Multisensor data fusion calibration in IoT air pollution platforms
Ferrer Cid, Pau; Barceló Ordinas, José María; García Vidal, Jorge; Ripoll, Anna; Viana, Mar (2020-04-01)
Article
Accés obertThis article investigates the calibration of low-cost sensors for air pollution. The sensors were deployed on three Internet of Things (IoT) platforms in Spain, Austria, and Italy during the summers of 2017, 2018, and 2019. ... -
Non-linear models for black carbon exposure modelling using air pollution datasets
Puig Rovira, Josep M.; Paredes Ahumada, Juan Antonio; Barceló Ordinas, José María; García Vidal, Jorge; Reche Andúgar, Cristina; Sola Salvatierra, Yolanda; Fung, Pascale; Petaja, Tuukka; Hussein, Tareq; Viana Rodríguez, Mar (Elsevier, 2022-09-01)
Article
Accés obertBlack carbon (BC) is a product of incomplete combustion, present in urban aerosols and sourcing mainly from road traffic. Epidemiological evidence reports positive associations between BC and cardiovascular and respiratory ... -
On the design of hybrid DRAM/SRAM memory schemes for fast packet buffers
García Vidal, Jorge; March Hermo, María Isabel; Cerdà Alabern, Llorenç; Corbal San Adrián, Jesús; Valero Cortés, Mateo (Institute of Electrical and Electronics Engineers (IEEE), 2004)
Text en actes de congrés
Accés obertWe address the design of a packet buffer for future high-speed routers that support line rates as high as OC-3072 (160 Gb/s), and a high number of ports and service classes. We describe a general design for hybrid DRAM/SRAM ... -
Optimal data compression for lifetime maximization in wireless sensor networks operating in stealth mode
Incebacak, Davut; Zilan, Ruken; Tavli, Bulent; Barceló Ordinas, José María; García Vidal, Jorge (Elsevier, 2015-01)
Article
Accés obertContextual privacy in Wireless Sensor Networks (WSNs) is concerned with protecting contextual information such as whether, when, and where the data is collected. In this context, hiding the existence of a WSN from adversaries ... -
Performance analysis of a new packet trace compressor based on TCP flow clustering
Holanda Filho, Raimir; Verdú Mulà, Javier; García Vidal, Jorge; Valero Cortés, Mateo (Institute of Electrical and Electronics Engineers (IEEE), 2005)
Text en actes de congrés
Accés obertIn this paper we study the properties of a new packet trace compression method based on clustering of TCP flows. With our proposed method, the compression ratio that we achieve is around 3%, reducing the file size, for ... -
Power saving trade-offs in delay/disruptive tolerant networks
Trullols Cruces, Óscar; Morillo Pozo, Julián David; Barceló Ordinas, José María; García Vidal, Jorge (IEEE Press. Institute of Electrical and Electronics Engineers, 2011)
Comunicació de congrés
Accés restringit per política de l'editorialWireless nodes such as smart-phones in which the WiFi wireless card is continuously on, consume battery energy in just a few hours. Moreover, in many scenarios, an always-on wireless card is useless because there is often ... -
Raw data collected from NO2, O3 and NO air pollution electrochemical low-cost sensors
Ferrer Cid, Pau; Barceló Ordinas, José María; García Vidal, Jorge (Elsevier, 2022-12)
Article
Accés obertRecently, the monitoring of air pollution by means of lowcost sensors has become a growing research field due to the study of techniques based on machine learning to improve the sensors’ data quality. For this purpose, ... -
Review of linear algebra and applications to data science
Barceló Ordinas, José María; García Vidal, Jorge; Ferrer Cid, Pau (Universitat Politècnica de Catalunya, 2023-07-17)
Apunts
Accés obert -
Review of probability theory
Barceló Ordinas, José María; García Vidal, Jorge; Ferrer Cid, Pau (Universitat Politècnica de Catalunya, 2023-07-17)
Apunts
Accés obert -
Robust proxy sensor model for estimating black carbon concentrations using low-cost sensors
Paredes Ahumada, Juan Antonio; Ferrer Cid, Pau; Barceló Ordinas, José María; García Vidal, Jorge; Reche Andúgar, Cristina; Viana Rodríguez, Mar (Association for Computing Machinery (ACM), 2023)
Comunicació de congrés
Accés obertAir quality monitoring sensor networks focusing on air pollution measure pollutants that are regulated by the authorities, such as CO, NO2, NO, SO2, O3, and particulate matter (PM10, PM2.5). However, there are other ... -
Sampling trade-offs in duty-cycled systems for air quality low-cost sensors
Ferrer Cid, Pau; García Calvete, Julio; Main Nadal, Aina; Ye, Zhe; Barceló Ordinas, José María; García Vidal, Jorge (Multidisciplinary Digital Publishing Institute (MDPI), 2022-05-23)
Article
Accés obertThe use of low-cost sensors in conjunction with high-precision instrumentation for air pollution monitoring has shown promising results in recent years. One of the main challenges for these sensors has been the quality of ... -
Self-calibration methods for uncontrolled environments in sensor networks: A reference survey
Barceló Ordinas, José María; Doudou, Messaoud; García Vidal, Jorge; Badache, Nadjib (Elsevier, 2019-05-15)
Article
Accés obertGrowing progress in sensor technology has constantly expanded the number and range of low-cost, small, and portable sensors on the market, increasing the number and type of physical phenomena that can be measured with ... -
Temporal pattern-based denoising and calibration for low-cost sensors in IoT monitoring platforms
Allka, Xhensilda; Ferrer Cid, Pau; Barceló Ordinas, José María; García Vidal, Jorge (Institute of Electrical and Electronics Engineers (IEEE), 2023-01-25)
Article
Accés obertThe introduction of low-cost sensors (LCSs) in air quality Internet of Things (IoT) monitoring platforms presents the challenge of improving the quality of the data that these sensors provide. In this article, we propose ... -
Testing the performance of sensors for ozone pollution monitoring in a citizen science approach
Ripoll Ruiz, Aleix; Viana, Mar; Padrosa, Marc; Querol Carceller, Xavier; Minutolo, Andrea; Hou, Kun Mean; Barceló Ordinas, José María; García Vidal, Jorge (Elsevier, 2019-02-15)
Article
Accés obertTropospheric ozone (O3) is an environmental pollutant of growing concern, especially in suburban and rural areas where the density of air quality monitoring stations is not high. In this type of areas citizen science ... -
Traffic burstiness influence on ATM switching behavior
Solé Pareta, Josep; Domingo Pascual, Jordi; García Vidal, Jorge (1989-01)
Report de recerca
Accés obertTraffic studies is an important subject to evaluate the performance of the switching elements in an ATM environment. The main reason is that ATM cell streams have varible bitrate where the maximun peak bitrate can be several ... -
Traffic burstiness influence on ATM switching behaviour
Solé Pareta, Josep; Domingo Pascual, Jordi; García Vidal, Jorge (1989)
Report de recerca
Accés obertTraffic studies is an important subject to evaluate the performance of the switching elements in an ATM environment. The main reason is that ATM cell stream have a variable birate where the maximum peak birate can be several ...