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Ara es mostren els items 160-179 de 213

    • Performance analysis of an integrated CS/PS services CDMA system 

      Wang, Lin; Aghvami, Hamid; Chambers, William G.; Pérez Romero, Jordi; Sallent Roig, Oriol; Dohler, Mischa (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2005-07)
      Article
      Accés obert
      An analytical model is developed to investigate integrated CS/PS CDMA cellular systems with SIR-based power control. Because packet data are not very sensitive to delay, a defer-first-transmission transmission mode is ...

    • Performance analysis of an ISMA DS-CDMA packet data network 

      Pérez Romero, Jordi; Agustí Comes, Ramon; Sallent Roig, Oriol (Institute of Electrical and Electronics Engineers (IEEE), 1999)
      Text en actes de congrés
      Accés obert
      The efficiency of MAC protocols for a packet switching DS-CDMA network strongly depends on the offered traffic statistic. For bursty sources where transmission needs are restricted to short message lengths, a protocol such ...

    • Performance assessment & synergic operation of algorithmic solutions enabling opportunistic networks– D4.2 

      Demestichas, Panagiotis; Pérez Romero, Jordi; Sallent Roig, Oriol; Bouali, Faouzi; Ferrús Ferré, Ramón Antonio; Karvounas, Dimitrios; Georgakopoulos, Andreas; Stavroulaki, Vera; Tsagkaris, Kostas; Riaz, Maryam; Bourdellès, Michel; Vahid, Seiamak; Gebert, Jens; Fuchs, Rolf; Moreno, Oscar; Matinmikko, Marja; Sarvanko, Heli; Boskovic, Dragan; Tosic, M.; Alnwaimi, Ghassan; Rakotoharison, Lanto; Panaitopol, Dorin; Bagayoko, Abdoulaye; Mouton, Christian; Lee, Haeyoung; Shariat, Shahin (2012-06)
      Report de recerca
      Accés obert
      Deliverable D4.2 del projecte europeu OneFIT

    • Performance evaluation of radio access selection strategies in constrained multi-access/multi-service wireless networks 

      Gelabert Doran, Xavier Bernardi; Sallent Roig, Oriol; Pérez Romero, Jordi; Agustí Comes, Ramon (2011-01-07)
      Article
      Accés restringit per política de l'editorial
      The benefits of jointly managing the combined set of radio resources offered by heterogeneous networks consisting of several radio access technologies (RATs) have been profusely studied and assessed in recent years. This ...

    • Performance evaluation of synergic operation of algorithms enabling opportunistic networks - D4.3 

      Pérez Romero, Jordi; Sallent Roig, Oriol; Bouali, Faouzi; Ferrús Ferré, Ramón Antonio; Agustí Comes, Ramon; Gebert, Jens; Fuchs, Rolf; Demestichas, Panagiotis; Georgakopoulos, Andreas; Stavroulaki, Vera; Tsagkaris, Kostas; Kritikou, Yiouli; Tzifa, Lia; Koutsouris, Nikos; Karvounas, Dimitrios; Logothetis, Marios; Sarli, Asimina; Bantouna, Aimilia; Papadopoulou, Louisa-Magdalene; Galani, Aristi; Vlacheas, Panagiotis; Morakos, Petros; Antzoulatos, Alexandros; Moreno, Oscar; Tosic, M.; Boskovic, Dragan; Cirilovic, Mirko; Sarvanko, Heli; Chen, Xianfu; Pega, Stéphane; Bourdellès, Michel; Vahid, Seiamak; Bagayoko, Abdoulaye; Mouton, Christian; Delsol, Thomas; Panaitopol, Dorin; Riaz, Maryam; Ainwaimi, Ghassan; Lee, Haeyoung (2012-12-31)
      Report de recerca
      Accés obert
      Deliverable D4.3 del projecte OneFIT

    • 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)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      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 ...

    • Perspectiva de la gestión de recursos radio en las redes celulares 

      Sallent Roig, Oriol; Pérez Romero, Jordi; Agustí Comes, Ramon (Asociación de Técnicos de Informática, 2004-01)
      Article
      Accés obert
      Este artículo proporciona una visión del problema de la gestión de recursos radio (RRM Radio Resource Management) en el contexto de la evolución de los sistemas de comunicaciones móviles. Se enfatiza la importancia creciente ...

    • Principios de comunicaciones móviles 

      Sallent Roig, Oriol; Valenzuela González, José Luis; Agustí Comes, Ramon (Edicions UPC, 2003)
      Llibre
      Accés restringit als usuaris de la UB, UAB, UPC, UPF, UdG, UdL, URV, UOC, BC, UVic, UJI, URL, UIC
      En este libro se presentan los aspectos fundamentales que intervienen en los sistemas de comunicaciones móviles, al objeto de facilitar la comprensión de los principios de funcionamiento y los requerimientos tanto actuales ...

    • Profit-based radio access network slicing for multi-tenant 5G networks 

      Pérez Romero, Jordi; Sallent Roig, Oriol; 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
      Network slicing is a key capability of 5G networks that facilitates the provision of multi-tenancy by allocating different slices to the tenants that share a certain infrastructure according to specific Service Level ...

    • Project HELP - D2.3: Techno-economic analysis 

      Baldini, Gianmarco; Czopnik, Radoslaw; Ferrús Ferré, Ramón Antonio; Goratti, Leonardo; Piesiewicz, Radoslaw; Pisz, Rafal; Sallent Roig, Oriol; Sroka, Krystian; Stefanski, Szymon (2012-03-14)
      Report de recerca
      Accés restringit per acord de confidencialitat
      This deliverable identifies the economic impact that novel technical solutions proposed in the Project HELP may have on the involved stakeholders (e.g. administrations, network operators) and provides recommendations ...

    • Project HELP - D3.3: System design and management framework for enhnaced communications in emergencies 

      Baldini, Gianmarco; Delmas, Serge; Ferrús Ferré, Ramón Antonio; Goratti, Leonardo; Hirst, Paul; Piesiewicz, Radoslaw; Pisz, Rafal; Sallent Roig, Oriol; Sroka, Krystian; Stefanski, Szymon (2012-05-22)
      Report de recerca
      Accés restringit per acord de confidencialitat
      This document describes a functional architecture encompassing the functional building blocks and the key management mechanisms that form part of the Project HELP solution framework. The mapping of the proposed functional ...

    • Project HELP - D4.3: Workshop#2 report 

      Baldini, Gianmarco; Delmas, Serge; Ferrús Ferré, Ramón Antonio; Hirst, Paul; Pisz, Rafal; Sallent Roig, Oriol (2012-05-15)
      Report de recerca
      Accés restringit per acord de confidencialitat

    • Project HELP - D4.4: Report on dissemination and networking 

      Baldini, Gianmarco; Delmas, Serge; Hirst, Paul; Ferrús Ferré, Ramón Antonio; Pisz, Rafal; Stefanski, Szymon; Sallent Roig, Oriol (2012-05-18)
      Report de recerca
      Accés restringit per acord de confidencialitat
      This deliverable provides a report on the dissemination and networking activities including the results of the links and collaborati on activity with other entities and projects. As well, this report details all actions ...

    • Project HELP - D4.5: Roadmap 

      Baldini, Gianmarco; Delmas, Serge; Ferrús Ferré, Ramón Antonio; Hirst, Paul; Piesiewicz, Radoslaw; Pisz, Rafal; Sallent Roig, Oriol; Sroka, Krystian; Stefanski, Szymon (2012-06-01)
      Report de recerca
      Accés restringit per acord de confidencialitat
      The deliverable covers the developed roadmap for the realisation of the envisioned solution framework within a potential proposal of a large scale phase II demonstration project. Along with the technological view, it also ...

    • Proposal of C4MS and inherent technical challenges – D3.1 

      Moreno, Oscar; Gebert, Jens; Filo, Marcin; Sroka, Krystian; Muck, Markus; Schmidt, Andreas; Lécroart, Benoit; Mouton, Christian; Rakotoharison, Lanto; Mustonen, Miia; Matinmikko, Marja; Tsagkaris, Kostas; Stavroulaki, Vera; Koutsouris, Nikos; Georgakopoulos, Andreas; Demestichas, Panagiotis; Sallent Roig, Oriol; Ferrús Ferré, Ramón Antonio; Vahid, Seiamak; Sarvanko, Heli (2011-03-31)
      Report de recerca
      Accés obert
      The scope of OneFIT is on Opportunistic etworks and Cognitive Management Systems for Efficient Application Provision in the uture Internet. This document contains a proposal of Control Channels for Coordination of ...

    • Protocols for the integrated C4MS – M3.3 

      Filo, Marcin; Wierzbowsi, Tomasz; Gebert, Jens; Karvounas, Dimitrios; Georgakopoulos, Andreas; Stavroulaki, Vera; Koutsouris, Nikos; Demestichas, Panagiotis; Matinmikko, Marja; Ferrús Ferré, Ramón Antonio; Pérez Romero, Jordi; Sallent Roig, Oriol; Lécroart, Benoit; Mouton, Christian; Tsagkaris, Kostas; Sarvanko, Heli (2011-12-31)
      Report de recerca
      Accés restringit per acord de confidencialitat

    • Protocols, performance assessment and consolidation on interfaces for standardization – D3.3 

      Filo, Marcin; Wierzbowsi, Tomasz; Gebert, Jens; Wich, Andreas; Jactat, Caroline; Lécroart, Benoit; Mouton, Christian; Haeyoung, Lee; Vahid, Seiamak; Bouali, Faouzi; Ferrús Ferré, Ramón Antonio; Pérez Romero, Jordi; Sallent Roig, Oriol; Demestichas, Panagiotis; Georgakopoulos, Andreas; Karvounas, Dimitrios; Koutsouris, Nikos; Stavroulaki, Vera; Tsagkaris, Kostas; Matinmikko, Marja; Sarvanko, Heli (2012-06)
      Report de recerca
      Accés obert
      The following document presents a detailed description of the protocol for the “ Control Channels for the Cooperation of the Cognitive Management System ” (C4MS) which provides the necessary means to enable proper ...

    • Provisioning multimedia wireless networks for better QoS: RRM strategies for 3G W-CDMA 

      Sallent Roig, Oriol; Pérez Romero, Jordi; Agustí Comes, Ramon; Casadevall Palacio, Fernando José (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2003-02)
      Article
      Accés obert
      Third-generation mobile communication systems will bring a wide range of new services with different quality of service requirements and will open the ability to exploit radio resource management functions to guarantee a ...

    • Provisión de banda ancha móvil para seguridad pública y emergencias 

      Agustí Comes, Ramon; Sallent Roig, Oriol; Ferrús Ferré, Ramón Antonio (2013-06-01)
      Article
      Accés obert
      El acceso de banda ancha móvil es fundamental para mejorar la eficiencia y efectividad de las comunicaciones de seguridad pública y emergencias. En este artículo se identifican y argumentan los tres pilares básicos sobre ...

    • Public safety mobile broadband: a techno-economic perspective 

      Ferrús Ferré, Ramón Antonio; Pisz, Rafal; Sallent Roig, Oriol; Baldini, Gianmarco (2013-06)
      Article
      Accés restringit per política de l'editorial
      Wireless communications are critical to supporting the operational capabilities of public protection and disaster relief (PPDR) organizations. The private/professional mobile radio (PMR) technologies currently used for ...