Recent Submissions

  • Predictive reliability and fault management in exascale systems: State of the art and perspectives 

    Canal Corretger, Ramon; Hernández Luz, Carles; Tornero Gavilá, Rafael; Cilardo, Alessandro; Massari, Giuseppe; Reghenzani, Federico; Fornaciari, William; Zapater Sancho, Marina; Atienza, David; Oleksiak, Ariel; Wojciech Piatek, Poznan; Abella Ferrer, Jaume (2020-09)
    Article
    Open Access
    Performance and power constraints come together with Complementary Metal Oxide Semiconductor technology scaling in future Exascale systems. Technology scaling makes each individual transistor more prone to faults and, due ...
  • Supporting time-sensitive and best-effort traffic on a common metro infrastructure 

    Velasco Esteban, Luis Domingo; Ruiz Ramírez, Marc (2020-08)
    Article
    Open Access
    Considerable research and standardization efforts are being made to support time-sensitive traffic, e.g., generated by applications like Industry 4.0 and 5G fronthaul, on packet networks. This letter focuses on analyzing ...
  • Exceeding conservative limits: A consolidated analysis on modern hardware margins 

    Papadimitriou, George; Chatzidimitriou, Athanansios; Gizopoulos, Dimitris; Reddi, Vijay Janapa; Leng, Jingwen; Salami, Behzad; Unsal, Osman Sabri; Cristal Kestelman, Adrián (2020-06)
    Article
    Open Access
    Modern large-scale computing systems (data centers, supercomputers, cloud and edge setups and high-end cyber-physical systems) employ heterogeneous architectures that consist of multicore CPUs, general-purpose many-core ...
  • Applying cognitive dynamic learning strategies for margins reduction in operational optical networks 

    Notivol Calleja, Luis David; Spadaro, Salvatore; Perelló Muntan, Jordi; Junyent Giralt, Gabriel (2020-09-01)
    Article
    Restricted access - publisher's policy
    Today's optical transport networks are complex already and the support of the new arising services will further increase such complexity. Traditional deterministic network procedures will need to be revisited, especially ...
  • Immersive interconnected virtual and augmented reality: a 5G and IoT perspective 

    Torres Vega, Maria; Liaskos, Christos; Abadal Cavallé, Sergi; Papapetrou, Evangelos; Jain, Akshay; Mouhouche, Belkacem; Kalem, Gokhan; Ergüt, Salih; Mach, Marian; Sabol, Tomas; Cabellos Aparicio, Alberto; Grimm, Christoph; De Turck, Filip; Famaey, Jeroen (2020-01-01)
    Article
    Restricted access - publisher's policy
    Despite remarkable advances, current augmented and virtual reality (AR/VR) applications are a largely individual and local experience. Interconnected AR/VR, where participants can virtually interact across vast distances, ...
  • LoRaMoto: a communication system to provide safety awareness among civilians after an earthquake 

    Pueyo Centelles, Roger; Meseguer Pallarès, Roc; Freitag, Fèlix; Navarro Moldes, Leandro; Ochoa, Sergio; Santos, Rodrigo (Elsevier, 2021-02)
    Article
    Restricted access - publisher's policy
    Civilians in areas hit by earthquakes become in particular concerned about the safety of family and friends. However, outages in communications networks following these events limit their capacity to get information. So, ...
  • Fast gap-affine pairwise alignment using the wavefront algorithm 

    Marco-Sola, Santiago; Moure López, Juan Carlos; Moreto Planas, Miquel; Espinosa Morales, Antonio (2020-09-11)
    Article
    Open Access
    Motivation Pairwise alignment of sequences is a fundamental method in modern molecular biology, implemented within multiple bioinformatics tools and libraries. Current advances in sequencing technologies press for the ...
  • Toward intelligent metasurfaces: the progress from globally tunable metasurfaces to software-defined metasurfaces with an embedded network of controllers 

    Tsilipakos, Odysseas; Tasolamprou, Anna; Pitilakis, Alexandros; Liu, Fu; Wang, Xuchen; Mirmoosa, Mohammad Sajjad; Tzarouchis, Dimitrios C.; Abadal Cavallé, Sergi; Taghvaee, Hamidreza; Liaskos, Christos; Tsioliaridou, Ageliki; Georgiou, Julius; Cabellos Aparicio, Alberto; Alarcón Cot, Eduardo José; Ioannidis, Sotiris; Pitsillides, Andreas; Akyildiz, Ian; Kantartzis, Nikolaos V.; Economou, Eleftherios; Soukoulis, Costas; Kafesaki, Maria; Tretyakov, Sergei (2020-01-01)
    Article
    Open Access
    Metasurfaces, the ultrathin, 2D version of metamaterials, have recently attracted a surge of attention for their capability to manipulate electromagnetic waves. Recent advances in reconfigurable and programmable metasurfaces ...
  • Asynchronous runtime with distributed manager for task-based programming models 

    Bosch Pons, Jaume; Álvarez Martínez, Carlos; Jiménez González, Daniel; Martorell Bofill, Xavier; Ayguadé Parra, Eduard (2020-09)
    Article
    Restricted access - publisher's policy
    Parallel task-based programming models, like OpenMP, allow application developers to easily create a parallel version of their sequential codes. The standard OpenMP 4.0 introduced the possibility of describing a set of ...
  • Semi-automatic validation of cycle-accurate simulation infrastructures: The case for gem5-x86 

    Cebrián González, Juan Manuel; Barredo Ferreira, Adrián; Caminal Pallarés, Helena; Moreto Planas, Miquel; Casas Guix, Marc; Valero Cortés, Mateo (Elsevier, 2020-11)
    Article
    Restricted access - publisher's policy
    Since the early 70s, simulation infrastructures have been a keystone in computer architecture research, providing a fast and reliable way to prototype and evaluate ideas for future computing systems. There are different ...
  • Real-time optical spectrum monitoring in filterless optical metro networks 

    Behnam Shariati, Mohammad; Ruiz Ramírez, Marc; Fresi, Francesco; Sgambelluri, Andrea; Cugini, Filippo; Velasco Esteban, Luis Domingo (2020-06-17)
    Article
    Restricted access - publisher's policy
    Filterless optical networks (FONs) have been proposed as a feasible solution for optical metro networks. In addition, as a result of the shorter distance compared to core optical networks, direct detection optical transmission ...
  • Scalability analysis of programmable metasurfaces for beam steering 

    Taghvaee, Hamidreza; Abadal Cavallé, Sergi; Pitilakis, Alexandros; Tsilipakos, Odysseas; Tasolamprou, Anna; Liaskos, Christos; Kafesaki, Maria; Kantartzis, Nikolaos V.; Cabellos Aparicio, Alberto; Alarcón Cot, Eduardo José (Institute of Electrical and Electronics Engineers (IEEE), 2020-01-01)
    Article
    Open Access
    Programmable metasurfaces have garnered significant attention as they confer unprecedented control over the electromagnetic (EM) response of any surface. Such feature has given rise to novel design paradigms such as ...

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