Now showing items 1-20 of 20

    • A machine learning enabled network planning tool 

      Moysen Cortes, Jessica; Giupponi, Lorenza; Mangues Bafalluy, Josep (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Conference report
      Restricted access - publisher's policy
      In the coming years, planning future mobile networks will be infinitely more complex than nowadays. Future networks are expected to present multiple Network Management (NM) challenges to operators, such as managing network ...
    • A mobile network planning tool based on data analytics 

      Moysen Cortes, Jessica; Giupponi, Lorenza; Mangues Bafalluy, Josep (HINDAWI, 2017-02-05)
      Article
      Open Access
      Planning future mobile networks entails multiple challenges due to the high complexity of the network to be managed. Beyond 4G and 5G networks are expected to be characterized by a high densification of nodes and heterogeneity ...
    • Conflict resolution in mobile networks: a self-coordination framework based on non-dominated solutions and machine learning for data analytics [Application notes] 

      Moysen Cortes, Jessica; García Lozano, Mario; Giupponi, Lorenza; Ruiz Boqué, Sílvia (2018-05-01)
      Article
      Open Access
      Self-organizing network (SON) is a well-known term used to describe an autonomous cellular network. SON functionalities aim at improving network operational tasks through the capability to configure, optimize and heal ...
    • Cross-Layer radio resource allocation: the journey so far and the road ahead 

      Corvino, Virginia; Giupponi, Lorenza; Pérez Neira, Ana Isabel; Verdone, Roberto; Tralli, Velio (2009)
      Conference report
      Open Access
      The cross-layer concept originated almost ten years ago with the aim of taking the most advantage from the difficult wireless media to break the barriers imposed by the layered transmission. One of the domains where ...
    • D13.1 Fundamental issues on energy- and bandwidth-efficient communications and networking 

      Zalonis, Andreas; Polydoros, Andreas; Pascual Iserte, Antonio; Gregori, Maria; Rubio López, Javier; Fosson, Sophie; Matamoros, Javier; Antón Haro, Carles; Zambianchi, Vincenzo; Dardari, Davide; Bassi, Francesca; Chaini, Marco; Duhamel, Pierre; Kieffer, Michel; Karasan, Ezhan; Koseoglu, Mehmet; Chen, Lin; Gomez Viladerbó, Jesús; Kliks, Adrian; Kryszkiewicz, Pawel; Bogucka, Hanna; Oliveira, Carla; Mackowiak, Michal; Correia, Luis M.; Louet, Yves; Zhang, Honggang; Caus, Marius; Pérez Neira, Ana Isabel; Sanguinetti, Luca; Boukhatem, Lila; Martin, Steven; Ali Yahiya, Tara; Pérez Romero, Jordi; Koutlia, Katerina; Agustí Comes, Ramon; Dimitriou, Nikos; Stupia, Ivan; Vanderdorpe, Luc; Bacci, Giacomo; Andreotti, Ricardo; Giannetti, Filipo; Lottici, Vincenzo; del Fiorentino, Paolo; Belmega, Veronica; Lasaulce, Samson; Giupponi, Lorenza; Verdone, Roberto; Abrignani, Melchiorre Danilo (2014-03)
      External research report
      Open Access
      The report presents the current status in the research area of energy- and bandwidth-efficient communications and networking and highlights the fundamental issues still open for further investigation. Furthermore, the ...
    • D13.2 Techniques and performance analysis on energy- and bandwidth-efficient communications and networking 

      Zalonis, Andreas; Polydoros, Andreas; Rubio López, Javier; Pascual Iserte, Antonio; Gregori, Maria; Payaró, Miquel; Abrignani, Melchiorre D.; Giupponi, Lorenza; Cichon, Krzysztof; Louet, Yves; Nafka, Amor; Caus López, Marius; Pérez Neira, Ana Isabel; Mackowiak, Michal; Beko, Marko; Oliveira, Carla; Correia, Luis M.; Moretti, Marco; Pérez Romero, Jordi; Koutlia, Aikaterini; Agustí Comes, Ramon; Kliks, Adrian; Kryszkiewicz, Pawel; Bogucka, Hanna; Boukhatem, Lila; del Fiorentino, Paolo; Andreotti, Ricardo; Giannetti, Filipo; Lottici, Vincenzo; Van Hecke, Jeroen; Moeneclaey, Marc; Koseoglu, Mehmet; Karasan, Ezhan; Chen, Lin; Bacci, Giacomo; Belmega, Veronica; Debbah, Mérouane; Mertikopoulos, Panayotis; Sanguinetti, Luca; Stupia, Ivan; Vandendorpe, Luc; Bassi, Francesca; Kieffer, Michel (2014-10)
      External research report
      Open Access
      The report presents the status of the research work of the various Joint Research Activities (JRA) in WP1.3 and the results that were developed up to the second year of the project. For each activity there is a description, ...
    • D13.3 Overall assessment of selected techniques on energy- and bandwidth-efficient communications 

      Zalonis, Andreas; Polydoros, Andreas; Dagres, Ioannis; Rubio López, Javier; Gregori, Maria; Pascual Iserte, Antonio; Payaró Llisterri, Miquel; Gomez Viladerbó, Jesús; Kieffer, Michel; Bassi, Francesca; Abrignani, Melchiorre D.; Giupponi, Lorenza; Kliks, Adrian; Kryszkiewicz, Pawel; Bogucka, Hanna; Caus, Marius; Pérez Neira, Ana Isabel; Bader, Carlos; Bodinier, Quentin; del Fiorentino, Paolo; Giannetti, Filipo; Lottici, Vincenzo; Van Hecke, Jeroen; Moeneclaey, Marc; Pérez Romero, Jordi; Koutlia, Katerina; Agustí Comes, Ramon; Abdelkader, Abdelrahman; Koseoglu, Mehmet; Karasan, Ezhan; Chen, Lin (2015-10)
      External research report
      Open Access
      The report presents the outcome of the Joint Research Activities (JRA) of WP1.3 in the last year of the Newcom# project. The activities focus on the investigation of bandwidth and energy efficient techniques for current ...
    • Distributed Q-Learning for energy harvesting heterogeneous networks 

      Miozzo, Marco; Giupponi, Lorenza; Rossi, Michele; Dini, Paolo (Institute of Electrical and Electronics Engineers, 2015-06)
      Conference report
      Open Access
      We consider a two-tier urban Heterogeneous Net- work where small cells powered with renewable energy are deployed in order to provide capacity extension and to offloa d macro base stations. We use reinforcement learning ...
    • Evaluating unlicensed LTE technologies: LAA vs LTE-U 

      Bojovic, Biljana; Giupponi, Lorenza; Ali, Zoraze; Miozzo, Marco (Institute of Electrical and Electronics Engineers (IEEE), 2019-07-01)
      Article
      Open Access
      Recently, there has been much interest by the cellular network industry in utilizing unlicensed spectrum to expand potential capacity. In particular, two LTE unlicensed technologies gained much attention: licensed-assisted ...
    • Evaluation of spectrum opportunities in the GSM band 

      Carniani, Andrea; Giupponi, Lorenza; Verdone, Roberto; Pérez Neira, Ana Isabel (2009)
      Conference report
      Open Access
      In this paper we explore the possibility of exploiting underutilized channels in the GSM bands. The secondary (unlicensed) users of the spectrum are the nodes of an overlay cognitive ad-hoc network, which opportunistically ...
    • Fuzzy-based spectrum handoff in cognitive radio networks crowncom 

      Giupponi, Lorenza; Pérez Neira, Ana Isabel (2008)
      Conference report
      Open Access
      This paper focuses on spectrum handoffs in a cognitive radio network where secondary (unlisenced) users (i.e. cognitive radios) opportunistically use frequency channels as long as the aggregate interference caused at ...
    • HetNets: la gestió de la interferència 

      García Lozano, Mario; Giupponi, Lorenza (2011-12-01)
      Article
      Open Access
    • New radio beam-based access to unlicensed spectrum: design challenges and solutions 

      Lagén, Sandra; Giupponi, Lorenza; Goyal, S.; Patriciello, Natale; Bojovic, Biljana; Demir, A.; Beluri, M. (Institute of Electrical and Electronics Engineers (IEEE), 2019-10-24)
      Article
      Open Access
      This paper elaborates on the design challenges, opportunities, and solutions for New Radio-based access to Unlicensed spectrum (NR-U) by taking into account the beam-based transmissions and the worldwide regulatory ...
    • Novel radio environment map for the ns-3 NR simulator 

      Koutlia, Katerina; Bojovic, Biljana; Lagén Morancho, Sandra; Giupponi, Lorenza (Association for Computing Machinery (ACM), 2021)
      Conference report
      Restricted access - publisher's policy
      Radio Environmental Map (REM) is a useful tool to visualize the network coverage, including signal quality and interference, in multi-cell scenarios. Although REM maps for omnidirectional transmissions/receptions and tools ...
    • NR-U and IEEE 802.11 technologies coexistence in unlicensed mmWave spectrum: models and evaluation 

      Patriciello, Natale; Lagén, Sandra; Bojovic, Biljana; Giupponi, Lorenza (Institute of Electrical and Electronics Engineers (IEEE), 2020-04-13)
      Article
      Open Access
      New Radio-based access to Unlicensed spectrum (NR-U) intends to expand the applicability of 5G NR access technology to support operation in unlicensed bands by adhering to Listen-Before-Talk (LBT) requirement for accessing ...
    • On the potential of ensemble regression techniques for future mobile network planning 

      Moysen Cortes, Jessica; Giupponi, Lorenza; Mangues Bafalluy, Josep (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Conference report
      Restricted access - publisher's policy
      Planning of current and future mobile networks is becoming increasingly complex due to the heterogeneity of deployments, which feature not only macrocells, but also an underlying layer of small cells whose deployment is ...
    • Predicting QoS in LTE HetNets based on location-independent UE measurements 

      Moysen Cortes, Jessica; Giupponi, Lorenza; Baldo, Nicola; Mangues Bafalluy, Josep (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Conference report
      Restricted access - publisher's policy
      This paper aims to find patterns of knowledge from physical layer data coming from Heterogeneous Long Term Evolution (LTE) networks. We discuss how the collected data is employed in such a manner that improves Minimization ...
    • Realistic beamforming design using SRS-based channel estimate for ns-3 5G-LENA module 

      Bojovic, Biljana; Lagén Morancho, Sandra; Giupponi, Lorenza (Association for Computing Machinery (ACM), 2021)
      Conference report
      Restricted access - publisher's policy
      Beamforming (BF) is a key procedure to overcome propagation limits in millimeter-wave bands but also to extend network coverage in sub 6 GHz bands, as considered in recent 3GPP and IEEE communication standards. Up to date, ...
    • Self coordination among SON functions in LTE heterogeneous networks 

      Moysen Cortes, Jessica; Giupponi, Lorenza (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Conference report
      Restricted access - publisher's policy
      In a self-organized Long Term Evolution (LTE) network, different Self-Organizing Network (SON) functions or different instances of the same SON function can execute parallel actions, which interact or collide among each ...
    • Self-coordination of parameter conflicts in D-SON architectures: a Markov decision process framework 

      Moysen Cortes, Jessica; Giupponi, Lorenza (2015-12-01)
      Article
      Open Access
      We consider a distributed SON (D-SON) architecture where the interaction of different self-organizing network (SON) functions negatively affect the performances of the system. This is referred to in 3rd Generation Partnership ...