Recent Submissions

  • Predictive autonomic transmission for low-cost low-margin metro optical networks 

    Ruiz Ramírez, Marc; Boitier, Fabien; Shariati, Mohammad Behnam; Layec, Patricia; Velasco Esteban, Luis Domingo (2020-10)
    Article
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    Low-cost low-margin implementation plays an essential role in upgrading optical metro networks required for future 5G ecosystem. In this regard, low-resolution analog-to-digital converters can be used in coherent optical ...
  • 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 ...
  • Aging-aware parallel execution 

    Medeiros, Thiarles S.; Berned, Gustavo P.; Navarro Muñoz, Antoni; Rossi, Fábio D.; Luizelli, Marcelo C.; Brandalero, Marcelo; Hübner, Michael; Beck, Antonio Carlos S.; Lorenzon, Arthur F. (Institute of Electrical and Electronics Engineers (IEEE), 2020-09-04)
    Article
    Open Access
    Computation has been pushed to the edge to decrease latency and alleviate the computational burden of the IoT applications in the cloud. However, the increasing processing demands of Edge Applications make necessary the ...
  • 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
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    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, ...
  • 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 

    Shariati, Mohammad Behnam; 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 ...
  • Intelligent adaptation of hardware knobs for improving performance and power consumption 

    Ortega Carrasco, Cristobal; Álvarez Martí, Lluc; Casas, Marc; Bertran, Ramon; Buyuktosunoglu, Alper; Eichenberger, Alexandre; Bose, Pradip; Moreto Planas, Miquel (Institute of Electrical and Electronics Engineers (IEEE), 2020-03-13)
    Article
    Open Access
    Current microprocessors include several knobs to modify the hardware behavior in order to improve performance, power, and energy under different workload demands. An impractical and time consuming offline profiling is ...
  • RouteNet: leveraging graph neural networks for network modeling and optimization in SDN 

    Rusek, Krzysztof; Suárez-Varela Maciá, José Rafael; Almasan Puscas, Felician Paul; Barlet Ros, Pere; Cabellos Aparicio, Alberto (2020-06-05)
    Article
    Open Access
    Network modeling is a key enabler to achieve efficient network operation in future self-driving Software-Defined Networks. However, we still lack functional network models able to produce accurate predictions of Key ...
  • Improving maritime traffic emission estimations on missing data with CRBMs 

    Gutiérrez Torre, Alberto; Berral García, Josep Lluís; Buchaca Prats, David; Guevara Vilardell, Marc; Soret, Albert; Carrera Pérez, David (Elsevier, 2020-07-07)
    Article
    Restricted access - publisher's policy
    Maritime traffic emissions are a major concern to governments as they heavily impact the Air Quality in coastal cities. Ships use the Automatic Identification System (AIS) to continuously report position and speed among ...

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