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Ara es mostren els items 175-194 de 222

    • 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 ...

    • Power-efficient resource allocation in a heterogeneous network with cellular and D2D capabilities 

      Pérez Romero, Jordi; Sánchez González, Juan; Agustí Comes, Ramon; Lorenzo, Beatriz; Glisic, Savo (2016-01-13)
      Article
      Accés obert
      This paper focuses on a heterogeneous scenario in which cellular and wireless local area technologies coexist and in which mobile devices are enabled with device-to-device communication capabilities. In this context, this ...

    • 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 ...

    • 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 ...

    • Radio access network slicing strategies at spectrum planning level in 5G and beyond 

      Muñoz, Pablo; Adamuz-Hinojosa, Oscar; Navarro-Ortiz, Jorge; Sallent Roig, Oriol; Pérez Romero, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2020-04)
      Article
      Accés obert
      The new 5th generation (5G) era has transformed previous mobile generations into fast, smart networks that will be more responsive and customizable. With network slicing, 5G networks can be dynamically adapted to the ...

    • Radio environmental maps: information models and reference model. Document number D4.1 

      Casadevall Palacio, Fernando José; Agustí Comes, Ramon; Pérez Romero, Jordi; López Benítez, Miguel; Grimoud, Sebastien; Sayrac, Berna; Dagres, Ioannis; Polydoros, Andreas; Riihijärvi, Janne; Nasreddine, Jad Nayef; Mähönen, Petri; Gavrilovska, Liljana; Atanasovski, Vladimir; van de Beek, Jaap (2011-04-30)
      Report de recerca
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      We describe herein the envisioned improvements of the REMs due to advanced sensing and processing. In relation to that, we also discuss the underlying modelling assumptions. Finally, we comment on how REMs can be of use ...

    • Received signal interpolation for context discovery in cognitive radio 

      Bolea, Liliana; Pérez Romero, Jordi; Agustí Comes, Ramon (2011)
      Text en actes de congrés
      Accés obert
      This paper addresses the context acquisition to characterize different features of a primary network based on the power measurements obtained by a sensor network. In particular, it presents a comparative study of the ...

    • Reinforcement learning for dynamic spectrum management in WCDMA 

      Vucevic, Nemanja; Pérez Romero, Jordi; Sallent Roig, Oriol; Agustí Comes, Ramon (2009)
      Article
      Accés obert
      Low use of licensed spectrum imposes a need for the advanced spectrum management for wise spectrum usage with the release of unneeded frequency bands for the secondary markets and opportunistic access. In this paper we ...

    • Reinforcement learning for load management in DiffServ-MPLS mobile networks 

      Vucevic, Nemanja; Pérez Romero, Jordi; Sallent Roig, Oriol; Agustí Comes, Ramon (2009)
      Text en actes de congrés
      Accés obert
      Cognitive networks are envisaged to provide optimized resource usage in future. While heterogeneity and resource scarcity draw research attention to the wireless part, the rest of the network (mobile backhaul) is rarely ...

    • Reinforcement learning-based radio access network slicing for a 5G system with support for cellular V2X 

      Albonda, Haider Daami Resin; Pérez Romero, Jordi (Springer, 2019)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      5G mobile systems are expected to host a variety of services and applications such as enhanced mobile broadband (eMBB), massive machine-type communications (mMTC), and ultra-reliable low-latency communications (URLLC). ...

    • Results analysis and validation - D5.3 

      Moreno, Oscar; González, José Luis; Pérez Romero, Jordi; Sallent Roig, Oriol; Raschellà, Alessandro; Umbert Juliana, Anna; 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; Mueck, Markus; Drewes, Christian; Nehring, Florian; Moser, Guenter; Tosic, Milenko; Boskovic, Dragan; Ikovic, Ognjen; Cirilovic, Mirko; Vahid, Seiamak; Ghoraishi, Mir; Pega, Stéphane; Bourdellès, Michel; Bagayoko, Abdoulaye; Mouton, Christian; Panaitopol, Dorin; Delsol, Thomas (2012-12-31)
      Report de recerca
      Accés obert
      Deliverable D5.3 del projecte OneFIT

    • Rolling Dissemination and Exploitation Plan and Report (M24). Document Number D7.2 

      Mähönen, Petri; Riihijärvi, Janne; Subramani, Siva; Farnham, Tim; Gavrilovska, Liljana; van de Beek, Jaap; Zalonis, Andreas; Polydoros, Andreas; Sayrac, Berna; Cordier, Pascal; Pérez Romero, Jordi; Iacobelli, Lorenzo; Dejonghe, Antoine; Van Wesemael, Peter (2011-12)
      Report de recerca
      Accés restringit per acord de confidencialitat