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  • Miniature switchable millimeter-wave BiCMOS low-noise amplifier at 120/140 GHz using an HBT switch 

    Heredia, F.-Javier (Francisco Javier); Ribó Pal, Miquel; Pradell i Cara, Lluís; Wipf, Selin Tolunay; Göritz, Alexander; Wietstruck, Matthias; Wipf, Christian; Kaynak, Mehmet (2019-10-01)
    Article
    Open Access
    A 120–140 GHz frequency-switchable, very compact low-noise amplifier (LNA) fabricated in a 0.13 µm SiGe:C BiCMOS technology is proposed. A single radio-frequency (RF) switch composed of three parallel hetero junction bipolar ...

  • Transfer to the Local Stroke Center versus Direct Transfer to Endovascular Center of Acute Stroke Patients with Suspected Large Vessel Occlusion in the Catalan Territory (RACECAT): study protocol of a cluster randomized within a cohort trial 

    Abilleira, Sonia; Pérez de la Ossa, Natalia; Jiménez, Xavier; Cardona, Pere; Cocho, Dolores; Purroy Garcia, Francesc; Serena Leal, Joaquín; San Román, L.; Urra, Xabier; Vilaró, Marta; Cortés Martínez, Jordi; González Alastrué, José Antonio; Chamorro, Ángel; Gallofre, Miquel; Jovin, Tudor G.; Molina, Carlos; Cobo Valeri, Erik; Dávalos Errando, Antoni; Ribó, Marc (2019-05-29)
    Article
    Open Access
    Rationale: Optimal pre-hospital delivery pathways for acute stroke patients suspected to harbor a large vessel occlusion (LVO) have not been assessed in randomized trials. Aim: To establish whether stroke subjects with ...

  • Adherence to reporting guidelines increases the number of citations: the argument for including a methodologist in the editorial process and peer-review 

    Vilaró, Marta; Cortés Martínez, Jordi; Selva O’Callaghan, Albert; Urrutia, Agustí; Ribera, Josep Maria; Cardellach López, Francesc; Basagaña Flores, Xavier; Elmore, Matthew; Vilardell, Miquel; Altman, D.G.; González Alastrué, José Antonio; Cobo Valeri, Erik (2019-05-31)
    Article
    Open Access
    From 2005 to 2010, we conducted 2 randomized studies on a journal (Medicina Clínica), where we took manuscripts received for publication and randomly assigned them to either the standard editorial process or to additional ...

  • Location routing problems on trees 

    Aráoz Durand, Julián Arturo; Fernández Aréizaga, Elena; Rueda, Salvador (2019-04-30)
    Article
    Restricted access - publisher's policy
    This paper addresses combined location/routing problems defined on trees, where not all vertices have to be necessarily visited. A mathematical programming formulation is presented, which has the integrality property. The ...

  • The effects of lithium sulfur battery ageing on second-life possibilities and environmental life cycle assessment studies 

    Wolff, Deidre; Canals Casals, Lluc; Benveniste Pérez, Gabriela; Corchero García, Cristina; Trilla Romero, Lluís (2019-01-01)
    Article
    Open Access
    The development of Li-ion batteries has enabled the re-entry of electric vehicles into the market. As car manufacturers strive to reach higher practical specific energies (550 Wh/kg) than what is achievable for Li-ion ...

  • Does evidence support the high expectations placed in precision medicine? A bibliographic review 

    Cortés Martínez, Jordi; González Alastrué, José Antonio; Medina, María Nuncia; Vogler, Markus; Vilaró Pacheco, Marta; Elmore, Matthew; Senn, Stephen John; Campbell, Michael J.; Cobo Valeri, Erik (2018-01-09)
    Article
    Open Access
    Background: Precision medicine is the Holy Grail of interventions that aretailored to a patient’s individual characteristics.  However, the conventional design of randomized trials assumes that each individual benefits  ...

  • The stratified p-center problem 

    Albareda Sambola, Maria; Martínez Merino, Luisa I.; Rodríguez Chía, Antonio Manuel (2019-08-01)
    Article
    Restricted access - publisher's policy
    This work presents an extension of the discrete p-center problem. In this new model, called Stratified p-Center Problem (SpCP), the demand is concentrated in a set of sites and the population of these sites is divided into ...

  • Combining statistical learning with metaheuristics for the multi-depot vehicle routing problem with market segmentation 

    Ferrer Biosca, Alberto; Calvet Liñán, Laura; Juan, Angel A.; Masip Rodó, David; Gomes, M. Isabel (2016-02)
    Article
    Open Access
    In real-life logistics and distribution activities it is usual to face situations in which the distribution of goods has to be made from multiple warehouses or depots to the nal customers. This problem is known as the ...

  • Reused second life batteries for aggregated demand response services 

    Canals Casals, Lluc; Barbero, Mattia; Corchero García, Cristina (2019-03-01)
    Article
    Restricted access - publisher's policy
    The electric vehicle is presented as an environmental friendly alternative to common vehicles and as the future of transportation. However, car manufacturers consider that electric vehicle batteries are not useful for ...

  • A comparative note on the relaxation algorithms for the linear semi-infinite feasibility problem 

    Ferrer Biosca, Alberto; Goberna Torrent, Miguel Ángel; González Gutiérrez, Enrique; Todorov, Maxim Ivanov (2017-11)
    Article
    Open Access
    The problem (LFP) of finding a feasible solution to a given linear semi-infinite system arises in different contexts. This paper provides an empirical comparative study of relaxation algorithms for (LFP). In this study ...

  • Reformulated acyclic partitioning for rail-rail containers transshipment 

    Albareda Sambola, Maria; Marín Pérez, Alfredo; Rodríguez Chía, Antonio Manuel (Elsevier, 2019-08-16)
    Article
    Restricted access - publisher's policy
    Many rail terminals have loading areas that are properly equipped to move containers between trains. With the growing throughput of these terminals all the trains involved in a sequence of such movements may not ¿t in the ...

  • Tools used to assess the quality of peer review reports: a methodological systematic review 

    Superchi, Cecilia; González Alastrué, José Antonio; Solà, Ivan; Cobo Valeri, Erik; Hren, Darko; Boutron, Isabelle (2019-03-06)
    Article
    Open Access
    Background A strong need exists for a validated tool that clearly defines peer review report quality in biomedical research, as it will allow evaluating interventions aimed at improving the peer review process in ...

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