Now showing items 1-20 of 21

    • 5G framework for automated network adaptation in mission critical services 

      Jimeno, Elisa; Pérez Romero, Jordi; Vilà Muñoz, Irene; Blanco Jauregi, Begoña; Sanchoyerto, Aitor; Fernández, Javier (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Conference report
      Open Access
      Mission Critical Services (MCS) are gaining interest among network operators to offer alternative communications than conventional trunked radio systems. They promise a simplified management of cloud and radio resources ...
    • A deep q network-based multi-connectivity algorithm for heterogeneous 4G/5G cellular systems 

      Hernández Carlón, Juan Jesús; Pérez Romero, Jordi; Sallent Roig, Oriol; Vilà Muñoz, Irene; Casadevall Palacio, Fernando José (Springer, 2022)
      Conference report
      Restricted access - publisher's policy
      Multi-connectivity, which allows a user equipment to be simultaneously connected to multiple cells from different radio access network nodes that can be from a single or multiple radio access technologies, has emerged as ...
    • A deep Q-network-based algorithm for multi-connectivity optimization in heterogeneous cellular-networks † 

      Hernández Carlón, Juan Jesús; Pérez Romero, Jordi; Sallent Roig, Oriol; Vilà Muñoz, Irene; Casadevall Palacio, Fernando José (2022-08-01)
      Article
      Open Access
      The use of multi-connectivity has become a useful tool to manage the traffic in heterogeneous cellular network deployments, since it allows a device to be simultaneously connected to multiple cells. The proper exploitation ...
    • A multi-agent reinforcement learning approach for capacity sharing in multi-tenant scenarios 

      Vilà Muñoz, Irene; Pérez Romero, Jordi; Sallent Roig, Oriol; Umbert Juliana, Anna (Institute of Electrical and Electronics Engineers (IEEE), 2021-07-27)
      Article
      Open Access
      5G is envisioned to simultaneously provide diverse service types with heterogeneous needs under very different application scenarios and business models. Therefore, network slicing is included as a key feature of the 5G ...
    • A new RAN slicing strategy for multi-tenancy support in a WLAN scenario 

      Koutlia, Aikaterini; Umbert Juliana, Anna; Riggio, R.; Vilà Muñoz, Irene; Casadevall Palacio, Fernando José (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Conference report
      Restricted access - publisher's policy
      Radio Access Network (RAN) slicing is a key technology, based on Software Defined Networks (SDN) and Network Function Virtualization (NFV), which aims at providing a more efficient utilization of the available network ...
    • A novel approach for dynamic capacity sharing in multi-tenant scenarios 

      Vilà Muñoz, Irene; Pérez Romero, Jordi; Sallent Roig, Oriol; Umbert Juliana, Anna (Institute of Electrical and Electronics Engineers (IEEE), 2020)
      Conference lecture
      Open Access
      Network slicing is included as a key feature of the 5G architecture in order to simultaneously support diverse service types with heterogeneous requirements. The realization of network slicing in the Radio Access Network ...
    • An analytical model for multi-tenant radio access networks supporting guaranteed bit rate services 

      Vilà Muñoz, Irene; Sallent Roig, Oriol; Umbert Juliana, Anna; Pérez Romero, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2019-01-01)
      Article
      Open Access
      Network slicing is a key feature of forthcoming fifth generation (5G) systems to facilitate the partitioning of the network into multiple logical networks customized according to different business and application needs. ...
    • Characterisation of radio access network slicing scenarios with 5G QoS provisioning 

      Vilà Muñoz, Irene; Pérez Romero, Jordi; Sallent Roig, Oriol; Umbert Juliana, Anna (Institute of Electrical and Electronics Engineers (IEEE), 2020-03-13)
      Article
      Open Access
      5G systems are envisaged to support a wide range of application scenarios with variate requirements. To handle this heterogeneity, 5G architecture includes network slicing capabilities that facilitate the partitioning of ...
    • Construcció d'un mapa teòric de TVWS de Catalunya 

      Vilà Muñoz, Irene (Universitat Politècnica de Catalunya, 2015-06)
      Bachelor thesis
      Open Access
      The increasingly need of using the radio-electric spectrum and the inefficient usage of some of its bands have motivated the research of new options to take advantage of this resource. An alternative proposed is the concept ...
    • Contribution to the development of a hypervisor in a virtualized mobile communication network 

      Vilà Muñoz, Irene (Universitat Politècnica de Catalunya, 2017-07)
      Master thesis
      Open Access
      Software Defined Networking (SDN) and Network Function Virtualization (NFV) are two promising technologies that together provide a more efficient utilization of the network resources and a reduction of operational costs. ...
    • Contribution to the modelling and evaluation of radio network slicing solutions in 5G 

      Vilà Muñoz, Irene (Universitat Politècnica de Catalunya, 2022-04-06)
      Doctoral thesis
      Open Access
      Network slicing is a key feature of 5G architecture that allows the partitioning of the network into multiple logical networks, known as network slices, where each of them is customised according to the specific needs of ...
    • Deep learning-based multi-connectivity optimization in cellular networks 

      Hernández Carlón, Juan Jesús; Pérez Romero, Jordi; Sallent Roig, Oriol; Vilà Muñoz, Irene; Casadevall Palacio, Fernando José (2022)
      Conference lecture
      Restricted access - publisher's policy
      Multi-connectivity emerges as a useful feature to handle the traffic in heterogeneous cellular scenarios and fulfill the demanding requirements in terms of data rate and reliability. It allows a device to be simultaneously ...
    • Evaluation of a multi-cell and multi-tenant capacity sharing solution under heterogeneous traffic distributions 

      Vilà Muñoz, Irene; Pérez Romero, Jordi; Sallent Roig, Oriol; Umbert Juliana, Anna (2021)
      Conference lecture
      Open Access
      One of the key features of the 5G architecture is network slicing, which allows the simultaneous support of diverse service types with heterogeneous requirements over a common network infrastructure. In order to support ...
    • Guaranteed bit rate traffic prioritisation and isolation in multi-tenant radio access networks 

      Vilà Muñoz, Irene; Sallent Roig, Oriol; Umbert Juliana, Anna; Pérez Romero, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Conference report
      Open Access
      Network slicing is a key feature of forthcoming 5G systems to facilitate the partitioning of the network into multiple logical networks customised according to different operation and application needs. Network slicing ...
    • Impact analysis of training in deep reinforcement learning-based radio access network slicing 

      Vilà Muñoz, Irene; Pérez Romero, Jordi; Sallent Roig, Oriol; Umbert Juliana, Anna (2022)
      Conference report
      Restricted access - publisher's policy
      Deep Reinforcement Learning (DRL) has recently emerged as a promising technique to deal with different problems in the 5G and beyond Radio Access Network (RAN). The practical implementation of DRL solutions in the real ...
    • Machine learning-assisted cross-slice radio resource optimization: Implementation framework and algorithmic solution 

      Ferrús Ferré, Ramón Antonio; Pérez Romero, Jordi; Sallent Roig, Oriol; Vilà Muñoz, Irene; Agustí Comes, Ramon (2020-12)
      Article
      Open Access
      Network slicing is a central feature in 5G and beyond systems to allow operators to customize their networks for different applications and customers. With network slicing, different logical networks, i.e. network slices, ...
    • Marco de desarrollo software e implementación de algoritmos de inteligencia artificial para la gestión de redes radio 5G 

      Vilà Muñoz, Irene; Sallent Roig, Oriol; Pérez Romero, Jordi (2022)
      Conference report
      Open Access
      The increase in complexity of 5G and beyond mobile communications networks to accommodate multiple services with stringent requirements has led to the introduction of Artificial Intelligence (AI) capabilities for automating ...
    • On the implementation of a reinforcement learning-based capacity sharing algorithm in O-RAN 

      Vilà Muñoz, Irene; Sallent Roig, Oriol; Pérez Romero, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2022)
      Conference lecture
      Restricted access - publisher's policy
      The capacity sharing problem in Radio Access Network (RAN) slicing deals with the distribution of the capacity available in each RAN node among various RAN slices to satisfy their traffic demands and efficiently use the ...
    • On the training of reinforcement learning-based algorithms in 5G and beyond radio access networks 

      Vilà Muñoz, Irene; Pérez Romero, Jordi; Sallent Roig, Oriol (Institute of Electrical and Electronics Engineers (IEEE), 2022)
      Conference report
      Restricted access - publisher's policy
      Reinforcement Learning (RL)-based algorithmic solutions have been profusely proposed in recent years for addressing multiple problems in the Radio Access Network (RAN). However, how RL algorithms have to be trained for a ...
    • Performance measurements-based estimation of radio resource requirements for slice admission control 

      Vilà Muñoz, Irene; Pérez Romero, Jordi; Sallent Roig, Oriol; Umbert Juliana, Anna; Ferrús Ferré, Ramón Antonio (2019)
      Conference report
      Restricted access - publisher's policy
      The network slicing capability introduced in 5G systems facilitates the realisation of flexible multi-tenant networks. Network slicing enables the partition of a common shared network in several logical networks, each ...