Exploració per tema "OSA"

Ara es mostren els items 1-6 de 6

    • Channel assignment algorithms for OSA-Enabled WLANs exploiting prioritization and spectrum heterogeneity 

      Novillo Parales, Francisco Vicente; Ferrús Ferré, Ramón Antonio (2012-04)
      Article
      Accés restringit per política de l'editorial
      Allowing WLANs to exploit opportunistic spectrum access (OSA) is a promising approach to alleviate spectrum congestion problems in overcrowded unlicensed ISM bands, especially in highly dense WLAN deployments. In this ...

    • Detecting out of shelf supermarket products 

      Araya Lobos, Manuel (Universitat Politècnica de Catalunya / Universitat de Barcelona, 2021-01)
      Projecte Final de Màster Oficial
      Accés obert
      Out of Shelf availability is a major source of concern in retail sector. Many studies have approached these challenging issue from different perspectives analysing coordination between retailers and manufacturers, inventory ...

    • High resolution DFB laser tuning for optical spectrum analysis in access networks 

      Zamora Rovira, Xavier (Universitat Politècnica de Catalunya, 2022-06-16)
      Projecte Final de Màster Oficial
      Accés obert
      The project revolves around the development of a low-cost, high-performance Optical Spectrum Analyzer (OSA) for Passive Optical Networks (PON). From the study of the mathematical model of the laser used for the sweeping ...

    • Identification of Obstructive Sleep Apnea patients from tracheal breath sound analysis during wakefulness in polysomnographic studies 

      Solà Soler, Jordi; Fiz Fernández, José Antonio; Torres Cebrián, Abel; Jané Campos, Raimon (2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Obstructive Sleep Apnea (OSA) is currently diagnosed by a full nocturnal polysomnography (PSG), a very expensive and time-consuming method. In previous studies we were able to distinguish patients with OSA through formant ...

    • Non-linear HRV analysis to quantify the effects of intermittent hypoxia using an OSA rat model 

      Romero, Daniel; Jané Campos, Raimon (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Text en actes de congrés
      Accés obert
      In this paper, a non-linear HRV analysis was performed to assess fragmentation signatures observed in heartbeat time series after intermittent hypoxia (IH). Three markers quantifying short-term fragmentation levels, PIP, ...

    • Sleep apnea & chronic obstructive pulmonary disease: overlap syndrome dynamics in patients from an epidemiological study 

      Ferrer Lluís, Ignasi; Castillo Escario, Yolanda; Glos, Martin; Fietze, Ingo; Penzel, Thomas; Jané Campos, Raimon (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Text en actes de congrés
      Accés obert
      Obstructive sleep apnea (OSA) is a sleep disorder in which repetitive upper airway obstructive events occur during sleep. These events can induce hypoxia, which is a risk factor for multiple cardiovascular and cerebrovascular ...