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Ara es mostren els items 41-60 de 222

    • An emulator framework for a new radio resource management for QoS guaranteed services in W-CDMA 

      Sallent Roig, Oriol; Pérez Romero, Jordi; Casadevall Palacio, Fernando José; Agustí Comes, Ramon (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2001-10)
      Article
      Accés obert
      In the context of third-generation (3G) systems a mix of services with different requirements are expected. Consequently, packet scheduling mechanisms for quality of service (QoS) guarantees will play a key role. This paper ...

    • An evolutionary edge computing architecture for beyond 5G era 

      Kartsakli, Elli; Pérez Romero, Jordi; Bartzoudis, Nikolaos; Sallent Roig, Oriol; Kolawole, Oluwatayo; Tao, Xin; Mohalik, Swarup Kumar; Mach, Tomasz; Liu, Sige; Deng, Yansha; Mandò, Gianluca; Antonopoulos, Angelos; Frascolla, Valerio; Kosu, Semiha; Kalem, Gokhan; Buining, Fred; Quiñones Moreno, Eduardo (Institute of Electrical and Electronics Engineers (IEEE), 2023)
      Comunicació de congrés
      Accés obert
      Beyond 5G (B5G) communication networks face the challenge of meeting the demanding requirements of various service types, including uRLLC, mIoT, eMBB, and emerging technologies like Extended Reality (XR). Edge computing ...

    • An experimental assessment of channel selection in cognitive radio networks 

      Umbert Juliana, Anna; Sallent Roig, Oriol; Pérez Romero, Jordi; Sánchez González, Juan; Collins, Diarmuid; Kist, Maicon (Springer, 2018)
      Text en actes de congrés
      Accés obert
      The management of future networks is expected to fully exploit cognitive capabilities that embrace knowledge and intelligence, increasing the degree of automation, making the network more self-autonomous and enabling a ...

    • Analysis of a type II hybrid ARQ strategy in a DS-CDMA packet transmission environment 

      Pérez Romero, Jordi; Agustí Comes, Ramon; Sallent Roig, Oriol (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2003-08)
      Article
      Accés obert
      A type II hybrid automatic repeat request scheme is considered as a retransmission strategy in a direct-sequence code-division multiple-access packet mobile radio network. An analysis based on equilibrium point analysis ...

    • Analysis of RAN slicing for cellular V2X and mobile broadband services based on reinforcement learning 

      Albonda, Haider Daami Resin; Pérez Romero, Jordi (European Alliance for Innovation n.o., 2020-03)
      Article
      Accés obert
      Radio Access Network (RAN) slicing is one of the key enablers to provide the design flexibility and enable 5G system to support heterogeneous services over a common platform (i.e., by creating a customized slice for each ...

    • Applicability domains of machine learning in next generation radio access networks 

      Ferrús Ferré, Ramón Antonio; Sallent Roig, Oriol; Pérez Romero, Jordi; Agustí Comes, Ramon (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Text en actes de congrés
      Accés obert

    • Application of radio environment maps for dynamic broadband access in TV bands in urban areas 

      Kliks, Adrian; Kryszkiewicz, Pawel; Umbert Juliana, Anna; Pérez Romero, Jordi; Casadevall Palacio, Fernando José; Kulacz, Lukasz (Institute of Electrical and Electronics Engineers (IEEE), 2017-09-09)
      Article
      Accés obert
      Spectrum sharing based on the dedicated databases, particularly in the context of TV band, is widely considered as a promising tool for better spectrum utilization in the future wireless networks. Practical realization of ...

    • Artificial intelligence-based 5G network capacity planning and operation 

      Pérez Romero, Jordi; Sallent Roig, Oriol; Ferrús Ferré, Ramón Antonio; Agustí Comes, Ramon (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The highly demanding requirements envisaged for future 5G networks together with the required support of new customers from vertical industries (e.g. e-health, automotive, energy) pose a big challenge for operators ...

    • Automatic detection of sub-optimal performance in UMTS networks based on drive-test measurements 

      Sallent Roig, Oriol; Pérez Romero, Jordi; Sánchez González, Juan; Agustí Comes, Ramon; Díaz Guerra, Miguel Angel; Henche, David; Paul, Daniel (2011)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      This paper presents a methodology for the automatic detection of sub-optimal performance in UMTS networks based on drive-test measurements. The proposed methodology can be seen as a first step towards the more ambitious ...

    • Autonomous functionalities for cognitive radio 

      Kalliojarvi, Kari; Acar, Guray; Patouni, Eleni; Stavroulaki, Vera; Pérez Romero, Jordi (2009)
      Comunicació de congrés
      Accés obert
      This paper provides an overview on the research activities in autonomous functionalities for cognitive radio and networks, carried out in FP7/E3-project. The identified main research areas within this topic include ...

    • Average block error probability in the reverse link of a packet DS/CDMA system under Rayleigh fading channel conditions 

      Pérez Romero, Jordi; Alonso Zárate, Luis Gonzaga; Agustí Comes, Ramon (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2000-04)
      Article
      Accés obert
      Analytic expressions have been derived for the probability density functions of the total signal-to-interference ratio when considering mixed-type interference sources in the reverse link of a DS/CDMA packet radio system ...

    • Average block error probability in the reverse link of a packet ds/cdma system under rayleigh fading channel conditions 

      Pérez Romero, Jordi; Alonso Zárate, Luis Gonzaga; Agustí Comes, Ramon (2000-04)
      Article
      Accés obert
      Analytic expressions have been derived for the probability density functions of the total signal-to-interference ratio when considering mixed-type interference sources in the reverse link of a DS/CDMA packet radio system ...

    • Business scenarios, technical challenges and system requirements - D2.1 

      Ferrús Ferré, Ramón Antonio; Moreno, Oscar; Visiedo, David; Urdiales, Diego; Santiago, Miquel Angel; Gebert, Jens; Mouton, Christian; Lange, Christian; Merat, Vincent; Bender, Paul; Wich, Andreas; Agustí Comes, Ramon; Muck, Markus; Schmmidt, Andreas; Logothetis, Marios; Akezidou, Maria; Tzifa, Lia; Tsagkaris, Kostas; Stavroulaki, Vera; Demestichas, Panagiotis; Matinmikko, Marja; Mustonen, Miia; Sallent Roig, Oriol; Pérez Romero, Jordi; Georgakopoulos, Andreas; Pecelj, Ilija; Boskovic, Dragan; Tosic, M.; Filo, Marcin; Piesiewicz, Radoslaw; Kritikou, Yiouli; Bantouna, Aimilia; Thomatos, Evangelos; Koutsouris, Nikos (2010-11)
      Report de recerca
      Accés obert

    • Capacity self-planning in small cell multi-tenant 5G networks 

      Muñoz, Pablo; Sallent Roig, Oriol; Pérez Romero, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Multi-tenancy allows diverse agents sharing the infrastructure in the 5th generation of mobile networks. Such a feature calls for more automated and faster planning procedures in order to adapt the network capacity to the ...

    • Chapter 10: Next Generation Radio Access Network 

      Pérez Romero, Jordi (2020-12-16)
      Audiovisual
      Accés obert
      Aquest vídeo presenta les característiques principals de la nova generació de xarxa d'accés per ràdio

    • Chapter 11: 5G QoS Model 

      Pérez Romero, Jordi (2020-12-16)
      Audiovisual
      Accés obert
      Aquest vídeo pretén presentar els conceptes principals relacionats amb el com els serveis són lliurats a l'usuari amb el sistema 5G

    • Chapter 12: Cellular IoT 

      Pérez Romero, Jordi (2020-12-16)
      Audiovisual
      Accés obert
      Aquest vídeo introdueix el concepte "Cellular Internet of Things" (Cellular IoT)

    • Chapter 13: Cellular V2X 

      Pérez Romero, Jordi (2020-12-16)
      Audiovisual
      Accés obert
      Aquest vídeo pretén introduir el concepte de Cellular Vehicle-to-Everything (V2X)

    • Chapter 9: 5G System Architecture 

      Pérez Romero, Jordi (2020-12-16)
      Audiovisual
      Accés obert
      Aquest vídeo pretén presentar les característiques principals de l'arquitectura del sistema 5G

    • 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
      Accés obert
      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 ...