Recent Submissions

  • ZIZO: A Zoom-In Zoom-Out mechanism for minimizing redundancy and saving energy in wireless sensor networks 

    El Sayed, Ahmad Mohammad; Harb, Hassan; Ruiz Ramírez, Marc; Velasco Esteban, Luis Domingo (2021-02-01)
    Article
    Open Access
    In modern life, there is invisible data being continuously generated, data that if collected and processed can detect risks and changes and enable us to mitigate their effect. Thus, there is an essential need to sense ...
  • Optical power budget enhancement in 50-90 Gb/s IM-DD PONs with NOMA-CAP and SOA-Based amplification 

    Delgado Mendinueta, José Manuel; Altabas, Jose Antonio; Spadaro, Salvatore; Shinada, Satoshi; Furukawa, Hideaki; Vegas Olmos, Juan José; Lázaro Villa, José Antonio; Wada, Naoya; Sarmiento Hernández, Samael (2020-05-15)
    Article
    Open Access
    We report experimental results of a semiconductor optical amplifier (SOA) for optical amplification in a 50-90 Gb/s IM-DD optical access system using non-orthogonal multiple access multiplexing combined with multi-band ...
  • On the optimality of concurrent container clusters scheduling over heterogeneous smart environments 

    Asensio Garcia, Adrian; Masip Bruin, Xavier; García Almiñana, Jordi; Sánchez López, Sergio (Elsevier, 2021-05-01)
    Article
    Open Access
    Smart environments rely on the cloud for most computation activities; however, leveraging the availability of resources at the edge could complement the cloud capabilities to provide a resources continuum spectrum that ...
  • Real-time maintenance of latency-sensitive 5G services through network slicing 

    Montero Herrera, Rafael; Agraz Bujan, Fernando; Pagès Cruz, Albert; Spadaro, Salvatore (2020-06-30)
    Article
    Open Access
    Network Slicing appears as one of the enabling technologies for 5G networks to accommodate services with different requirements and availability. The present work, seizes the use of network slicing and focuses on the ...
  • Coherent ultra-dense WDM-PON enabled by complexity-reduced digital transceivers 

    Tabares Giraldo, Jeison; Ghasemi, Saeed; Velásquez Micolta, Juan Camilo; Prat Gomà, Josep Joan (Institute of Electrical and Electronics Engineers (IEEE), 2020-03-15)
    Article
    Open Access
    Coherent technologies, along with digital signal processing (DSP), have revolutionized optical communication systems, significantly increasing the capacity of the fiber channel owing to transmission of advanced modulation ...
  • Design and assessment of FM-MCFs-suited SDM-ROADMs with versatile spatial group configurations and unified QoT estimator 

    Rumipamba Zambrano, Rubén Darío; Muñoz González, Raül; Casellas Regi, Ramon; Perelló Muntan, Jordi; Spadaro, Salvatore; Elfiqi, Abdulaziz E. (Institute of Electrical and Electronics Engineers (IEEE), 2020-11-15)
    Article
    Open Access
    In this article, we focus on the design of different node architectures suitable for few-mode multi-core fibers (FMMCFs) based networks. Both dimensions, core and mode, open different possible ways to group spatial channels ...
  • Monolithically integrated dual-output DEML for full duplex DPSK-ASK and DPSK-SSB ONU in ultra-dense channel spaced access network 

    Chu, Guangyong; Cano Valadéz, Iván Nicolás; Polo Querol, Víctor; Kazmierski, Christophe; Brenot, Romain; Prat Gomà, Josep Joan (Institute of Electrical and Electronics Engineers (IEEE), 2016-04)
    Article
    Open Access
    Ultra-dense access network attracts people's attention recently; however, until now it is difficult to implement it commercially owing to cost, footprint, and the traditional complexity of coherent receiver. Single laser, ...
  • Flexible coherent UDWDM-PON with dynamic user allocation based on limited-tunability lasers 

    Segarra Mullerat, Josep; Sales Zaragozá, Vicente; Polo Querol, Víctor; Tabares Giraldo, Jeison; Prat Gomà, Josep Joan (Institute of Electrical and Electronics Engineers (IEEE), 2020-09-01)
    Article
    Restricted access - publisher's policy
    Coherent wavelength division multiplexing (WDM) technologies have leveraged the optical communication systems in core networks, increasing the fiber capacity by transmission with advanced modulation formats and mitigation ...
  • Spatial partitioning for proactive spectrum fragmentation avoidance in flex-grid/SDM dynamic optical core networks 

    Comellas Colomé, Jaume; Perelló Muntan, Jordi; Solé Pareta, Josep; Junyent Giralt, Gabriel (2020-10)
    Article
    Restricted access - publisher's policy
    Spectrum fragmentation has always been a major issue to overcome toward spectrally efficient Flex-Grid over Single-Mode Fiber dynamic optical networks and continues like so when evolving to Flex-Grid over Spatial Division ...
  • Resource allocation and interference management techniques for OFDM-based VLC atto-cells 

    Ibrahim Mohamed Badr, Asmaa; Ismail, Tawfik; Elsayed, Khaled F.; Darweesh, Mohamed Saeed; Prat Gomà, Josep Joan (Institute of Electrical and Electronics Engineers (IEEE), 2020-07-13)
    Article
    Open Access
    In this paper, a resource partitioning scheme combined with a new multi-carrier optical modulation technique for indoor visible light communication (VLC) system is proposed. In VLC systems, the coverage area is divided ...
  • Modeling and assessing connectivity services performance in a sandbox domain 

    Ruiz Ramírez, Marc; Ruiz Noguera, Mario; Tabatabaeimehr, Fatemehsadat; Gifré Renom, Lluís; López-Buedo, Sergio; López de Vergara Méndez, Jorge E.; González de Dios, Oscar; Velasco Esteban, Luis Domingo (Institute of Electrical and Electronics Engineers (IEEE), 2020-06-15)
    Article
    Open Access
    The automation of Network Services (NS) consisting of virtual functions connected through a multilayer packet-over-optical network requires predictable Quality of Service (QoS) performance, measured in terms of throughput ...
  • Mixed integration of CDIO skills into telecommunication engineering curricula 

    Sayrol Clols, Elisa; Bragós Bardia, Ramon; Alarcón Cot, Eduardo José; Cabrera-Bean, Margarita; Calveras Augé, Anna M.; Comellas Colomé, Jaume; O'Callaghan Castellà, Juan Manuel; Pegueroles Vallés, Josep R.; Pla, Enrique; Prat Viñas, Lluís; Sáez Moreno, Germán; Sardà Ferrer, Joan; Tallon Montoro, Carme (2010)
    Article
    Open Access
    Spain has been intensively involved in designing engineering curricula for the last two years and next academic year all engineering schools will be deploying all bachelor programs adapted to the EHEA and to the Spanish ...

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