Exploració per tema "Network architecture"

Ara es mostren els items 1-20 de 37

    • 1.3 µm SDN-enabled optical packet switch architecture for high performance and programmable data center network 

      Miao, Wang; Agraz Bujan, Fernando; De Waardt, Huug D.; Spadaro, Salvatore; Sebastian Dorren, Harm Joseph; Calabretta, Nicola (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Text en actes de congrés
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      We demonstrate a 1.3 µm port-count scalable SDN-enabled optical packet switch architecture for programmable data-center networks. Experimental assessments of a 40Gb/s 4×4 switch system with SDN-control show <10-5 packet-loss ...

    • 3G access network dimensioning in isolated rural areas based on femtocells 

      Olmo Alòs, Jaume del; Pascual Iserte, Antonio; Vidal Manzano, José; Muñoz Medina, Olga; Agustín de Dios, Adrián (Institute of Electrical and Electronics Engineers (IEEE), 2014)
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      Based on the definition of the access network architecture and the forecast of voice and data traffic evolution, this paper derives engineering rules for radio network dimensioning of 3G femtocell-based access networks in ...

    • A GA-based simulation system for WMNs: performance analysis for different WMN architectures considering transmission rate and OLRS protocol 

      Matsuo, Keita; Oda, Tetsuya; Barolli, Admir; Ikeda, Makoto; Barolli, Leonard; Xhafa Xhafa, Fatos (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Text en actes de congrés
      Accés obert
      In this paper, we evaluate the performance of two WMN architectures considering throughput, delay, jitter and fairness index metrics. For simulations, we used ns-3. We compare the performance for two architectures considering ...

    • Architectures and protocols for sub-wavelength optical networks: contributions to connectionless and connection-oriented data transport 

      Triay Marquès, Joan (Universitat Politècnica de Catalunya, 2011-10-07)
      Tesi
      Accés obert
      La ràpida evolució d’Internet i l’àmplia gamma de noves aplicacions (per exemple, multimèdia, videoconferència, jocs en línia, etc.) ha fomentat canvis revolucionaris en la manera com ens comuniquem. A més, algunes d’aquestes ...

    • Area-efficient snoopy-aware NoC design for high-performance chip multiprocessor systems 

      Roca Pérez, Antoni; Hernández Gañán, Carlos; Lodde, Mario; Flich Cardo, José (2015-07-01)
      Article
      Accés obert
      Manycore CMP systems are expected to grow to tens or even hundreds of cores. In this paper we show that the effective co-design of both, the network-on-chip and the coherence protocol, improves performance and power meanwhile ...

    • Automatic speech recognition with deep neural networks for impaired speech 

      España-i-Bonet, Cristina; Rodríguez Fonollosa, José Adrián (Springer, 2016)
      Text en actes de congrés
      Accés obert
      Automatic Speech Recognition has reached almost human performance in some controlled scenarios. However, recognition of impaired speech is a difficult task for two main reasons: data is (i) scarce and (ii) heterogeneous. ...

    • BiSon-e: a lightweight and high-performance accelerator for narrow integer linear algebra computing on the edge 

      Reggiani, Enrico; Ramírez Lazo, Cristóbal; Figueras Bagué, Roger; Cristal Kestelman, Adrián; Olivieri, Mauro; Unsal, Osman Sabri (Association for Computing Machinery (ACM), 2022)
      Comunicació de congrés
      Accés obert
      Linear algebra computational kernels based on byte and sub-byte integer data formats are at the base of many classes of applications, ranging from Deep Learning to Pattern Matching. Porting the computation of these ...

    • CASTOR: a monitoring and data analytics architecture to support autonomic domain and slice networking 

      Vela, A.P.; Gifre Renom, Lluís; González de Dios, Oscar; Ruiz Ramírez, Marc; Velasco Esteban, Luis Domingo (Institute of Electrical and Electronics Engineers (IEEE), 2018)
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      Network slices combine resource virtualization with the isolation level required by future 5G applications. In addition, the use of Monitoring and Data Analytics (MDA) helps to maintain the required network performance, ...

    • CASTOR: An architecture to bring cognition to transport networks 

      Velasco Esteban, Luis Domingo; Gifre Renom, Lluís; Izquierdo Zaragoza, José Luis; Julián Moreno, Guillermo; López de Vergara Méndez, Jorge E. (Institute of Electrical and Electronics Engineers (IEEE), 2018)
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      Accés obert
      CASTOR architecture to enable cognitive networking is demonstrated. Extended nodes make local decisions, whilst a centralized system beside the network controller makes network-wide decisions. Interaction with ONOS, Net2Plan, ...

    • Characterizing the spatio-temporal qubit traffic of a quantum intranet aiming at modular quantum computer architectures 

      Rodrigo Muñoz, Santiago; Spanò, Domenico; Bandic, Medina; Abadal Cavallé, Sergi; van Someren, Hans; Ovide, Anabel; Feld, Sebastian; García Almudever, Carmen; Alarcón Cot, Eduardo José (Association for Computing Machinery (ACM), 2022)
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      Quantum many-core processors are envisioned as the ultimate solution for the scalability of quantum computers. Based upon Noisy Intermediate-Scale Quantum (NISQ) chips interconnected in a sort of quantum intranet, they ...

    • Computation reuse in DNNs by exploiting input similarity 

      Riera Villanueva, Marc; Arnau Montañés, José María; González Colás, Antonio María (Institute of Electrical and Electronics Engineers (IEEE), 2018)
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      In recent years, Deep Neural Networks (DNNs) have achieved tremendous success for diverse problems such as classification and decision making. Efficient support for DNNs on CPUs, GPUs and accelerators has become a prolific ...

    • Cross-layer enabled translucent optical network with real-time impairment awareness 

      Pedrola Escribà, Òscar; Bathula, Balagangadhar G.; Wang, Michael; Ahsan, Atiyah K M; Careglio, Davide; Bergman, Keren (Institute of Electrical and Electronics Engineers (IEEE), 2012)
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      The existing dimensioning strategy for translucent, sub-wavelength switching architectures relies on over-provisioning, and consequently, overuse of costly, power-consuming optical-electrical-optical (O/E/O) regenerators. ...

    • Deep learning and internet of things for beach monitoring: An experimental study of beach attendance prediction at Castelldefels beach 

      Domingo Aladrén, Mari Carmen (2021-11-14)
      Article
      Accés obert
      Smart seaside cities can fully exploit the capabilities brought by Internet of Things (IoT) and artificial intelligence to improve the efficiency of city services in traditional smart city applications: smart home, smart ...

    • Deep learning is blowing in the wind. Deep models applied to wind prediction at turbine level 

      Manero Font, Jaume; Béjar Alonso, Javier; Cortés García, Claudio Ulises (Institute of Physics (IOP), 2019)
      Text en actes de congrés
      Accés obert
      Wind Energy generation depends on the existence of wind, a meteorological phenomena intermittent by nature, with the consequence of generating uncertainty on the availability of wind energy in the future. The grid stability ...

    • Deep neural networks for i-vector language identification of short utterances in cars 

      Ghahabi Esfahani, Omid; Bonafonte Cávez, Antonio; Hernando Pericás, Francisco Javier; Moreno Bilbao, M. Asunción (International Speech Communication Association (ISCA), 2016)
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      This paper is focused on the application of the Language Identification (LID) technology for intelligent vehicles. We cope with short sentences or words spoken in moving cars in four languages: English, Spanish, German, ...

    • Drahtlose Netzwerke 

      Salazar Soler, Jorge (European Virtual Learning Platform for Electrical and Information Engineering, 2016-06-11)
      Llibre
      Accés obert
      Dieses Modul bietet eine aktuelle Übersicht der drahtlosen Netzwerke im Allgemeinen und der drahtlosen LAN-Netzwerke im Besonderen. Es beschreibt die Grundlagen der verschiedenen drahtlosen Technologien, ihre Hauptcharak ...

    • Efficient keyword spotting by capturing long-range interactions with temporal lambda networks 

      Tura Vecino, Biel; Escuder Folch, Santiago; Diego, Ferran; Segura Perales, Carlos; Luque Serrano, Jordi (2021)
      Comunicació de congrés
      Accés obert
      Models based on attention mechanisms have shown unprecedented speech recognition performance. However, they are computationally expensive and unnecessarily complex for keyword spotting, a task targeted to small-footprint ...

    • End-to-end 5G service deployment and orchestration in optical networks with QoE guarantees 

      Montero Herrera, Rafael; Agraz Bujan, Fernando; Pagès Cruz, Albert; Spadaro, Salvatore (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Text en actes de congrés
      Accés obert
      The upcoming 5G deployments will impose stringent requirements. Optical networks control and resource orchestration is set to potentially turn into software-defined approaches in order to address such requirements. As a ...

    • Enhanced handover signaling through integrated MME-SDN controller solution 

      Jain, Akshay; López Aguilera, M. Elena; Demirkol, Ilker Seyfettin (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Text en actes de congrés
      Accés obert
      The future wireless networks are expected to be extremely dense and heterogeneous, with the users experiencing multi-connectivity through the multiple available radio access technologies (RATs). These prevalent characteristics, ...

    • Evolutionary 4G/5G network architecture assisted efficient handover signaling 

      Jain, Akshay; López Aguilera, M. Elena; Demirkol, Ilker Seyfettin (Institute of Electrical and Electronics Engineers (IEEE), 2018-12-06)
      Article
      Accés obert
      Future wireless networks are expected to be ultra-dense and heterogeneous not just in terms of the number and type of base stations but also in terms of the number of users and the application types they access. Such a ...