Now showing items 1-19 of 19

    • A distance-weighted dynamic bandwidth allocation algorithm for improved performance in long-reach passive optical networks for next generation networks 

      Haastrup, Adebanjo; Zehri, Mohammad Habib; Rincón Rivera, David; Piney da Silva, José Ramón; Bazzi, Ali (2023-08-11)
      Article
      Open Access
      In recent years, there has been an increasing trend towards extending the coverage of passive optical networks (PONs) over large geographical areas. Long-reach PONs (LRPONs) are capable of extending the distance covered ...
    • A novel admission control scheme for network slicing based on squatting and kicking strategies 

      Hamouda, Ahmed Mohamed Abdelaty Elmekkawi; Hesselbach Serra, Xavier; Piney da Silva, José Ramón (Universidad de Zaragoza (UZA), 2019)
      Conference report
      Open Access
      New services and applications impose differentquality of service (QoS) requirements on network slicing. Tomeet differentiated service requirements, current Internet servicemodel has to support emerging real-time applications ...
    • A P4-Based PON architecture for 5G 

      Haastrup, Adebanjo; Rincón Rivera, David; Sallent Ribes, Sebastián; Piney da Silva, José Ramón (2018)
      Conference lecture
      Open Access
    • A proposal for an SDN-based SIEPON architecture 

      Hamzeh, Khalili; Sallent Ribes, Sebastián; Piney da Silva, José Ramón; Rincón Rivera, David (2017-07-03)
      Article
      Open Access
      Passive Optical Network (PON) elements such as Optical Line Terminal (OLT) and Optical Network Units (ONUs) are currently managed by inflexible legacy network management systems. Software-Defined Networking (SDN) is a new ...
    • A QoS-Aware Dynamic Bandwidth Allocation algorithm for passive optical networks with non-zero laser tuning time 

      Zehri, Mohammad Habib; Haastrup, Adebanjo; Rincón Rivera, David; Piney da Silva, José Ramón; Sallent Ribes, Sebastián; Bazzi, Ali (2021-05-10)
      Article
      Open Access
      The deployment of new 5G services and future demands for 6G make it necessary to increase the performance of access networks. This challenge has prompted the development of new standardization proposals for Passive Optical ...
    • An energy-efficient distributed dynamic bandwidth allocation algorithm for Passive Optical Access Networks 

      Khalili, Hamzeh; Rincón Rivera, David; Sallent Ribes, Sebastián; Piney da Silva, José Ramón (2020-03-13)
      Article
      Open Access
      The rapid deployment of passive optical access networks (PONs) increases the global energy consumption of networking infrastructure. This paper focuses on the minimization of energy consumption in Ethernet PONs (EPONs). ...
    • An integrated SDN-based architecture for Passive Optical Networks 

      Khalili, Hamzeh; Rincón Rivera, David; Sallent Ribes, Sebastián; Piney da Silva, José Ramón (InTech, 2018-09-19)
      Part of book or chapter of book
      Open Access
      Passive Optical Network (PON) are often managed by non-flexible, proprietary network management systems. Software Defined Networking (SDN) opens the way for a more efficient operation and management of networks. We describe ...
    • Design considerations for an energy-aware SDN-based architecture in 5G EPON nodes 

      Khalili, Hamzeh; Sayyad Khodashenas, Pouria; Rincón Rivera, David; Siddiqui, Shuaib; Piney da Silva, José Ramón; Sallent Ribes, Sebastián (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Conference report
      Restricted access - publisher's policy
      In the evolution of telecommunication industry towards 5G, Ethernet Passive Optical Networks (EPON) technology, with some unique features such as high capacity, low latency, and minimum cost per bit, positions itself as ...
    • Evaluating the impact of delay constraints in network services for intelligent network slicing based on SKM model 

      Hamouda, Ahmed Mohamed Abdelaty Elmekkawi; Hesselbach Serra, Xavier; Piney da Silva, José Ramón (2021-08)
      Article
      Open Access
      Solving the problem of network resource allocation with delay constraint is a significant challenge for realizing future Internet and 5G networks services such as advanced mobile broadband services and Internet of things ...
    • Examen parcial Q1 (Curs 2019-2020) 

      Piney da Silva, José Ramón (Universitat Politècnica de Catalunya, 2019-11-06)
      Exam
      Restricted access to the UPC academic community
    • Examen parcial Q1 (Curs 2020-2021) 

      Piney da Silva, José Ramón; Morillas Varón, Rafael (Universitat Politècnica de Catalunya, 2020-11-12)
      Exam
      Restricted access to the UPC academic community
    • Fuzzy redundancy adaptation and joint source - network coding for VANET video streaming 

      González Cela, Alberto José; Ghafoor, Kayhan Zrar; Piney da Silva, José Ramón; Ríos, André; Alcober Segura, Jesús Ángel; Bakar, Kamalrulnizam Abu (Springer-Verlag, 2011)
      Conference lecture
      Restricted access - publisher's policy
      Video communication VANETs has many applications, such as emergency video transmission or inter-vehicle entertainment. However, delivering video to high mobile vehicles faces challenges such as packet loss due to intermittent ...
    • IX: Examen MQ: Q2 

      Remondo Bueno, David; Gómez Montenegro, Carlos; Casals Ibáñez, Lluís; Piney da Silva, José Ramón; Zola, Enrica Valeria (Universitat Politècnica de Catalunya, 2011-04-15)
      Exam
      Restricted access to the UPC academic community
    • Leveraging SDN-based management for improved traffic scheduling in PONs 

      Zehri, Mohammad Habib; Haastrup, Adebanjo; Rincón Rivera, David; Piney da Silva, José Ramón; Sallent Ribes, Sebastián; Bazzi, Ali (Institute of Electrical and Electronics Engineers (IEEE), 2020)
      Conference report
      Restricted access - publisher's policy
      Building on top of an Software-Defined Networking (SDN)-based management architecture developed in previous works, we add advanced traffic scheduling, QoS and energy saving features to Time- and Wavelength Division Passive ...
    • Management of resources under priorities in EON using a modified RDM based on the squatting-kicking approach 

      Hesselbach Serra, Xavier; Dantas, Joana; Amazonas, José Roberto de Almeida; Botero Vega, Juan Felipe; Piney da Silva, José Ramón (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Conference report
      Restricted access - publisher's policy
      The paper proposes a resources allocation method for EON based on a modified RDM using squatting and kicking strategies in order to prioritise the usage of channels and enhancing the total utilisation. It can also be used ...
    • Network function virtualization aware offline embedding problem using squatting-kicking strategy for elastic optical networks 

      Hamouda, Ahmed Mohamed Abdelaty Elmekkawi; Hesselbach Serra, Xavier; Piney da Silva, José Ramón (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Conference report
      Restricted access - publisher's policy
      Network Function Virtualization (NFV) has recently become one of the most attractive technologies in telecommunication industry due to its ability to realize Network Services (NSs) on general-purpose hardware hence replacing ...
    • Novel NFV aware network service for intelligent network slicing based on squatting-kicking model 

      Hamouda, Ahmed Mohamed Abdelaty Elmekkawi; Hesselbach Serra, Xavier; Piney da Silva, José Ramón (Institute of Electrical and Electronics Engineers (IEEE), 2020-12-15)
      Article
      Open Access
      Future networks starting from 5G will depend on network slicing to meet a wide range of network services (NSs) with various quality of service (QoS) requirements. With the powerful Network Function Virtualization (NFV) ...
    • Optimizing resource allocation in long-reach PONs for improved performance in 6G networks 

      Haastrup, Adebanjo; Zehri, Mohammad Habib; Rincón Rivera, David; Piney da Silva, José Ramón (2023)
      Conference report
      Restricted access - publisher's policy
      Next-generation cellular networks, such as 6G, will require high-speed and low-latency connectivity to support advanced services and applications. Passive Optical Networks (PONs) have emerged as a promising solution to ...
    • Squatting and kicking model evaluation for prioritized sliced resource management 

      Hamouda, Ahmed Mohamed Abdelaty Elmekkawi; Hesselbach Serra, Xavier; Piney da Silva, José Ramón (2019-11-15)
      Article
      Open Access
      Effective management and allocation of resources remains a challenging paradigm for future large-scale networks such as 5G, especially under a network slicing scenario where the different services will be characterized by ...