Ara es mostren els items 21-40 de 124

    • Chapter 3: Spectrum for 5G 

      Ferrús Ferré, Ramón Antonio (2020-12-16)
      Audiovisual
      Accés obert
      En aquest vídeo s'introdueix el concepte de l'espectre en el 5G
    • Cognitive control channels for the cooperation of opportunistic and composite wireless networks 

      Gebert, Jens; Georgakopoulos, Andreas; Stavroulaki, Vera; Tsagkaris, Kostas; Ferrús Ferré, Ramón Antonio; Demestichas, Panagiotis (2011)
      Text en actes de congrés
      Accés obert
      Opportunistic networks (ONs) are considered as coordinated extensions of a radio access network infrastructure, which are dynamically and temporarily created in an infrastructure-less manner in order to increase service ...
    • Cognitive control channels: from concept to identification of implementation options 

      Stavroulaki, Vera; Tsagkaris, Kostas; Demestichas, Panagiotis; Gebert, Jens; Mueck, Markus; Schmidt, Andreas; Ferrús Ferré, Ramón Antonio; Sallent Roig, Oriol; Filo, Marcin; Mouton, Christian; Rakotoharison, Lanto (2012-07)
      Article
      Accés restringit per política de l'editorial
      Recent effort related to cognitive radio systems has lead to an in-depth analysis of context information management and exploitation based on a cognitive control channel for enhancement of management needed for, ...
    • Contribución a la caracterización de los mecanismos de acceso y traspaso en sistemas móviles celulares basados en transmisión de paquetes 

      Ferrús Ferré, Ramón Antonio (Universitat Politècnica de Catalunya, 2000-01-19)
      Tesi
      Accés obert
      La estandarización del esquema de acceso radio para los futuros sistemas de telecomunicación está a punto de ser una realidad. En el calendario propuesto por ITU para llevar a cabo la elaboración del estándar, se prevé que ...
    • Control channels for the cooperation of cognitive management systems in opportunistic and composite wireless networks 

      Stavroulaki, Vera; Tsagkaris, Kostas; Georgakopoulos, Andreas; Demestichas, Panagiotis; Ferrús Ferré, Ramón Antonio; Filo, Marcin (2011)
      Text en actes de congrés
      Accés obert
      Opportunistic Networks (ONs) are assumed to be temporary, localized extensions of the infrastructure network that are created under certain circumstances. According to that vision, ONs are coordinated by the radio ...
    • Cross-layer schedulling strategy for UMTS downlink enhancement 

      Ferrús Ferré, Ramón Antonio; Alonso Zárate, Luis Gonzaga; Umbert Juliana, Anna; Revés Ballesté, Xavier; Pérez Romero, Jordi; Casadevall Palacio, Fernando José (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2005-06)
      Article
      Accés obert
      This article describes the benefits of including cross-layer information in the scheduling mechanism of a UMTS downlink channel. In particular, the information obtained from the fast power control algorithm is used to ...
    • D1.1 Project presentation 

      Baldini, Gianmarco; Delmas, Serge; Ferrús Ferré, Ramón Antonio; Hirst, Paul; Sallent Roig, Oriol; Pisz, Rafal (2011-03-02)
      Report de recerca
      Accés obert
      Deliverable D1.1 of Project PROJECT HELP (ENHANCED COMMUNICATIONS IN EMERGENCIES BY CREATING AND EXPLOITING SYNERGIES IN COMPOSITE RADIO SYSTEMS), FP7-SEC-2010-1, PROJECT NUMBER 261659
    • D1.2 Project management guidelines 

      Baldini, Gianmarco; Delmas, Serge; Hirst, Paul; Ferrús Ferré, Ramón Antonio; Pisz, Rafal; Sallent Roig, Oriol (2011-03-03)
      Report de recerca
      Accés restringit per acord de confidencialitat
    • D1.3 Interim progress report 

      Baldini, Gianmarco; Delmas, Serge; Ferrús Ferré, Ramón Antonio; Hirst, Paul; Pisz, Rafal; Sallent Roig, Oriol (2011-10-07)
      Report de recerca
      Accés restringit per acord de confidencialitat
    • D2.1 Description of operational user requirements and scenarios 

      Hirst, Paul; Sallent Roig, Oriol; Ferrús Ferré, Ramón Antonio; Baldini, Gianmarco; Pisz, Rafal (2011-06-02)
      Report de recerca
      Accés restringit per acord de confidencialitat
    • D2.2 Definition of system requirements 

      Baldini, Gianmarco; Delmas, Serge; Ferrús Ferré, Ramón Antonio; Goratti, Leonardo; Hirst, Paul; Pisz, Rafal; Sallent Roig, Oriol; Sroka, Krystian (2011-08-07)
      Report de recerca
      Accés restringit per acord de confidencialitat
    • D2.2.1 - Draft security requirements 

      Ferrús Ferré, Ramón Antonio; Sallent Roig, Oriol (2013-11-28)
      Report de recerca
      Accés restringit per decisió de l'autor
      Communications security is a central aspect of the ISITEP framework for inter-system interoperability between TETRA and TETRAPOL networks. Ensuring that threats to the interconnected communications systems and terminals ...
    • D3.1 Analysis of network and spectrum sharing solutions 

      Baldini, Gianmarco; Delmas, Serge; Ferrús Ferré, Ramón Antonio; Goratti, Leonardo; Pisz, Rafal; Sallent Roig, Oriol; Sroka, Krystian; Stefanski, Szymon (2011-09-09)
      Report de recerca
      Accés restringit per acord de confidencialitat
    • D3.2 System concept for enhanced communications in emergencies 

      Baldini, Gianmarco; Delmas, Serge; El Shabrawy, Karim; Ferrús Ferré, Ramón Antonio; Goratti, Leonardo; Pisz, Rafal; Sallent Roig, Oriol; Sroka, Krystian; Stefanski, Szymon (2011-12-09)
      Report de recerca
      Accés restringit per acord de confidencialitat
    • Data analytics architectural framework for smarter radio resource management in 5G radio access networks 

      Ferrús Ferré, Ramón Antonio; Sallent Roig, Oriol; Pérez Romero, Jordi (2020-05)
      Article
      Accés obert
      Along with supporting new business opportunities, data analytics –understood as the pursuit of extracting meaning from raw data– will be key to getting 5G Radio Access Networks (RANs) efficiently rolled out and operated. ...
    • Data analytics in the 5G radio access network and its applicability to fixed wireless access 

      Sallent Roig, Oriol; Pérez Romero, Jordi; Ferrús Ferré, Ramón Antonio; Agustí Comes, Ramon (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper discusses the exploitation of data analytics for supporting the operation of Radio Resource Management (RRM) in the Next Generation Radio Access Network (NG-RAN), analysing the need for standardised and open ...
    • Deliverable D3.2 - Information definition and signalling flows 

      Vahid, Seiamak; Gebert, Jens; Wich, Andreas; Filo, Marcin; Sroka, Milosz; Wierzbowsi, Tomasz; Muck, Markus; Schmidt, Andreas; Mouton, Christian; Matinmikko, Marja; Tsagkaris, Kostas; Stavroulaki, Vera; Logothetis, Marios; Karvounas, Dimitrios; Georgakopoulos, Andreas; Demestichas, Panagiotis; Sallent Roig, Oriol; Pérez Romero, Jordi; Ferrús Ferré, Ramón Antonio; Mustonen, Miia; Sarvanko, Heli (2011-09)
      Report de recerca
      Accés obert
      The purpose of this deliverable is to define information to be exchanged in OneFIT system based on algorithms for the management of pportunistic networks and to design message sequence charts describing the signalling ...
    • Deployment of NB-IoT NTN core network functions on Software Defined Radio (SDR) nanosatellites: approach and performance assessment 

      Montilla, Víctor; Ferrer, Josep; Guadalupi, Marco; Ferrús Ferré, Ramón Antonio; Calveras Augé, Anna M.; Ruiz de Azua, Joan Adria (International Astronautical Federation (IAF), 2023)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      According to forecasts, around 10 billion connected devices in the world will exchange data over the Internet by2028 and the significant connections increase threatens to congest terrestrial networks. These devices will ...
    • Design and experimental validation of a software-defined radio access network testbed with slicing support 

      Koutlia, Katerina; Ferrús Ferré, Ramón Antonio; Coronado Calero, Estefanía; Riggio, Roberto; Casadevall Palacio, Fernando José; Umbert Juliana, Anna; Pérez Romero, Jordi (2019-01-01)
      Article
      Accés obert
      Network slicing is a fundamental feature of 5G systems to partition a single network into a number of segregated logical networks, each optimized for a particular type of service or dedicated to a particular customer or ...
    • Design principles and performance evaluation of mSCTP-CMT for transport-layer based handover 

      Budzisz, Lukasz; Ferrús Ferré, Ramón Antonio; Casadevall Palacio, Fernando José (2009-04)
      Text en actes de congrés
      Accés obert
      Handling mobility at the transport layer is a promising approach to achieve seamless handover in the context of heterogeneous wireless access networks. In particular, features such as multihoming and dynamic address ...