Ara es mostren els items 18-37 de 101

    • Base station on/off strategies for wireless networks powered with energy harvesting sources 

      Rubio López, Javier; Pascual Iserte, Antonio; Vidal Manzano, José (2015)
      Comunicació de congrés
      Accés obert
      In this paper, we present a procedure for switching on and off base stations (BSs) that are powered with solar panels and have finite batteries. In the scenario under consideration it is considered that the BSs are placed ...
    • Channel state Information and joint transmitter-receiver design in multi-antenna systems 

      Pascual Iserte, Antonio (Universitat Politècnica de Catalunya, 2005-02-17)
      Tesi
      Accés obert
      Esta tesis aborda el problema del diseño de sistemas multiantena, donde el caso más general corresponde a un canal multi-input-multi-output (MIMO) con un transmisor y un receptor con más de una antena. La ventaja de estos ...
    • Characterization of the distortion of OFDM/OQAM modulations under frequency selective channels 

      Mestre Pons, Francesc X.; Sánchez Fernández, Matilde; Pascual Iserte, Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2012)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      Filterbank based multicarrier modulations are well known to perform poorly in frequency selective channels when single tap carrier-by-carrier equalization is used. This degradation is cased by the inherent distortion ...
    • Closed-form capacity bounds for downlink and uplink decoupling 

      Aravanis, Alexios; Pascual Iserte, Antonio; Muñoz Medina, Olga (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Comunicació de congrés
      Accés obert
      Downlink (DL) and uplink (UL) decoupling (DUDe) is a new architectural paradigm where DL and UL are not constrained to be associated to the same base station (BS). Thus, a user having access to multiple BSs within a dense ...
    • Convex optimization theory applied to joint transmitter-receiver design in MIMO channels 

      Palomar, Daniel P.; Pascual Iserte, Antonio; Cioffi, John M.; Lagunas Hernandez, Miguel A. (John Wiley & Sons, 2005-04-30)
      Capítol de llibre
      Accés obert
    • Coordinated MIMO precoding for power minimization in femtocell systems 

      Muñoz Medina, Olga; Vidal Manzano, José; Agustín de Dios, Adrián; Pascual Iserte, Antonio; Barbarossa, Sergio (IEEE, 2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
    • 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)
      Report de recerca
      Accés obert
      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)
      Report de recerca
      Accés obert
      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)
      Report de recerca
      Accés obert
      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 ...
    • Deliverable D21 (project TUCAN3G). Socio-economic scenarios, technical specifications and architecture for the proof of concept 

      García Rey, Ana; Prieto Egido, Ignacio; Sánchez, Ernesto; Muñoz Medina, Olga; Vidal Manzano, José; Agustín de Dios, Adrián; Pascual Iserte, Antonio; Simó Reigadas, Javier; Paco Fernández, Juan; Castillo Molina, Yury Yohana; Ramírez, Gustavo; Tupayachi Calderón, Omar (2013-05)
      Report de recerca
      Accés obert
      TUCAN3G aims to develop solutions to provide 3G services in isolated rural areas of developing countries. In order to do so, this document starts by analysing the reference scenarios where TUCAN3G solutions could be applied, ...
    • Design, implementation and testing of a real-time mobile WiMAX testbed featuring MIMO technology 

      Font Bach, Oriol; Bartzoudis, Nikolaos; Pascual Iserte, Antonio; López Bueno, David (2010-05)
      Comunicació de congrés
      Accés obert
    • Differential feedback in MIMO communications: performance with delay and real channel measurements 

      Sacristán Murga, Daniel; Kaltenberger, Florian; Pascual Iserte, Antonio; Pérez Neira, Ana Isabel (2009-02)
      Text en actes de congrés
      Accés obert
    • Differential feedback of channel gram matrices for block diagonalized multiuser MIMO systems 

      Sacristán Murga, Daniel; Pascual Iserte, Antonio (IEEE Computer Society Publications, 2010)
      Text en actes de congrés
      Accés obert
    • Differential feedback of MIMO channel correlation matrices based on geodesic curves 

      Sacristán Murga, Daniel; Pascual Iserte, Antonio (2009-04-30)
      Comunicació de congrés
      Accés obert
    • Differential Feedback of MIMO Channel Gram Matrices Based on Geodesic Curves 

      Sacristán Murga, Daniel; Pascual Iserte, Antonio (2010-12)
      Article
      Accés restringit per política de l'editorial
      This paper proposes a differential quantization strategy to be used in the feedback link of a multiple-input multiple-output (MIMO) communication system. This algorithm is applied to the channel Gram matrix using geodesic ...
    • Dynamic base station switch on/off strategies for sustainable wireless networks 

      Rubio López, Javier; Pascual Iserte, Antonio; Olmo Alòs, Jaume del; Vidal Manzano, José (2014)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      In this paper, we present a procedure for switching on and off base stations (BSs) that are powered with solar panels and have finite batteries. In the scenario under consideration it is considered that the BSs are placed ...
    • Dynamic bit allocation and differential quantization in feedback link for robust power allocation in multiuser opportunistic beamforming 

      Zorba, Nizar; Pascual Iserte, Antonio; Pérez Neira, Ana Isabel (2008)
      Text en actes de congrés
      Accés obert
      Multi-antenna systems provide advantages in terms of link quality and multiuser access capabilities, which can be achieved by using schemes as multibeam opportunistic beamforming. This scheme only requires partial channel ...
    • Effect of correlated building blockages on the ergodic capacity of mmWave systems in urban scenarios 

      García Ruiz, Cristian; Muñoz Medina, Olga; Pascual Iserte, Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2022-05)
      Article
      Accés obert
      The millimeter waves (mmWave) bands, considered to support the forthcoming generation of mobile communications technologies, have a well-known vulnerability to blockages. Recentworks in the literature analyze the blockage ...
    • Efficient use of paired spectrum bands through TDD small cell deployments 

      Agustín de Dios, Adrián; Lagén Morancho, Sandra; Vidal Manzano, José; Muñoz Medina, Olga; Pascual Iserte, Antonio; Zhiheng, Guo; Ronghui, Wen (2017-09)
      Article
      Accés obert
      Traditionally, wireless cellular systems have been designed to operate in frequency division duplexing (FDD) paired bands that allocate the same amount of spectrum for both downlink (DL) and uplink (UL) communications. ...
    • Energy driven transmission schemes for coexistence between HTC and MTC 

      Liesegang Maria, Sergi; Pascual Iserte, Antonio; Muñoz Medina, Olga (VDE Verlag, 2021)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Coexistence between human-type and machine-type communications is essential in future cellular networks. The former demands high data rates whereas long battery lifetimes are crucial for the latter. In this paper, we ...