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    • Co-channel interference cancelation at the user terminal in multibeam satellite systems 

      Pérez Neira, Ana Isabel; Cocco, Giuseppe; Angelone, Martina (2017-01-01)
      Article
      Accés obert
      We study the applicability of soft interference cancelation in the forward link of multibeam satellite systems with focus on mobile terminals. We adopt a standard currently used in commercial satellite systems as a ...

    • Co-channel interference cancellation at the user terminal in multibeam satellite systems 

      Cocco, Giuseppe; Angelone, Martina; Pérez Neira, Ana Isabel (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Text en actes de congrés
      Accés obert
      We study the applicability of soft interference cancellation in the forward link of commercial multibeam satellite systems with focus on mobile terminals. We adopt a standard currently used in commercial satellite systems ...

    • Comparison of linear and widely linear processing in MIMO-FBMC systems 

      Caus López, Marius; Pérez Neira, Ana Isabel (VDE Conference Publications, 2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper carries out a comparison between two multi-stream techniques aimed for filter bank multicarrier (FBMC) systems based on the offset quadrature amplitude modulation (OQAM). The first option performs linear processing ...

    • Confidential communication in downlink beamforming 

      Vázquez, Miguel Ángel; Pérez Neira, Ana Isabel; Lagunas Hernandez, Miguel A. (2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper deals with the problem of secure transmission in downlinkbeamforming. In this scenario, a base station, which usually serves information to an amount of users, wants to transmit a confidential message to one ...

    • Cooperation on demand protocols for wireless networks 

      Jesus, Gomez; Alonso Zárate, Jesús; Verikoukis, Christos; Pérez Neira, Ana Isabel; Alonso Zárate, Luis Gonzaga (Institute of Electrical and Electronics Engineers (IEEE), 2007-05-31)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      We consider a cooperative network where the communication between a single source-destination pair is assisted by the transmission of relays. In the considered cooperative model, once a node requires cooperation, it ...

    • Cooperative communications: from theory to experimental implementation 

      Alonso-Zárate, Jesús; Sanchez Recacha, Javier; Zorba, Nizar; Pérez Neira, Ana Isabel; Verikoukis, Christos (2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Over the last years, cooperative communications have been studied from both fundamental and practical points of view. However, most of the existing studies of cooperative communications rely on math or computer simulation. ...

    • Cooperative dual Leo satellite transmission in multi-user OTFS systems 

      Caus López, Màrius; Shaat, Musbah; Pérez Neira, Ana Isabel; Schellmann, Malte; Cao, Hanwen (Institute of Electrical and Electronics Engineers (IEEE), 2023)
      Text en actes de congrés
      Accés obert
      This paper explores multi-satellite transmission schemes. The focus is on the multi-user downlink scenario, where two low Earth orbit satellites transmit data cooperatively, which are then combined at each of the ground ...

    • Cooperative transmission scheme to address random orientation and blockage events in VLC systems 

      Genovés Guzmán, Borja; Dowhuszko, Alexis; Gil Jiménez, Víctor P.; Pérez Neira, Ana Isabel (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Text en actes de congrés
      Accés obert
      Visible light communication (VLC) is a promising communication technology that paves the way to the Internet of Things. The forthcoming Industry 4.0 requires reliable high-speed communication links, which can be easily ...

    • Cross-coupled doa trackers 

      Pérez Neira, Ana Isabel; Lagunas Hernandez, Miguel A.; Kirlin, R L (1997-10)
      Article
      Accés obert
      A new robust, low complexity algorithm for multiuser tracking is proposed, modifying the two-stage parallel architecture of the estimate-maximize (EM) algorithm. The algorithm copes with spatially colored noise, large ...

    • Cross-coupled LMS for quadratic constrained filter design 

      Lagunas Hernandez, Miguel A.; Pérez Neira, Ana Isabel (Institute of Electrical and Electronics Engineers (IEEE), 1999)
      Text en actes de congrés
      Accés obert
      Quadratic constrained maximization appears as the central problem in many filter design methods and signal processing applications, whenever the processing or filtering entails the maximization of a signal to noise ratio. ...

    • Cross-Layer radio resource allocation: the journey so far and the road ahead 

      Corvino, Virginia; Giupponi, Lorenza; Pérez Neira, Ana Isabel; Verdone, Roberto; Tralli, Velio (2009)
      Text en actes de congrés
      Accés obert
      The cross-layer concept originated almost ten years ago with the aim of taking the most advantage from the difficult wireless media to break the barriers imposed by the layered transmission. One of the domains where ...

    • 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 ...

    • DCT-based air interface design for function computation 

      Martínez Gost, Marc; Pérez Neira, Ana Isabel; Lagunas Hernandez, Miguel A. (Institute of Electrical and Electronics Engineers (IEEE), 2023-02-02)
      Article
      Accés obert
      With the integration of communication and computing, it is expected that part of the computing is transferred to the transmitter side. In this paper we address the general problem of Frequency Modulation (FM) for function ...

    • Decentralised multi-access MAC protocol for ad-hoc networks 

      Realp, Marc; Pérez Neira, Ana Isabel (2003)
      Text en actes de congrés
      Accés obert
      In ad-hoc radio networks, mechanisms on how to access the radio channel are extremely important in order to improve network efficiency and, when needed, to guarantee QoS. Traditionally, Medium Access Control (MAC) protocols ...

    • Deep learning for experimental hybrid terrestrial and satellite interference management 

      Henarejos, Pol; Vázquez Oliver, Miguel Ángel; Pérez Neira, Ana Isabel (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Interference Management is a vast topic present in many disciplines. The majority of wireless standards suffer the drawback of interference intrusion and the network efficiency drop due to that. Traditionally, interference ...

    • Delay bunds for resource allocation in wideband wireless systems 

      Pérez Neira, Ana Isabel; Realp, Marc; Knopp, Raymond (2006)
      Text en actes de congrés
      Accés obert
      In this paper, the problem of resource allocation in multiuser single-antenna wideband OFDM(A) systems is considered from a cross-layer point of view. The main motivation is to show advantages of such systems with respect ...

    • Deploying artificial intelligence in the wireless infrastructure: the challenges ahead 

      Vázquez Oliver, Miguel Ángel; Pallois, Jean Paul; Debbah, Mérouane; Masouros, Christos; Kenyon, Tony; Deng, Yansha; Mekuria, Fisseha; Pérez Neira, Ana Isabel; Erfanian, Javan (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The adoption of artificial intelligence (AI) techniques entails a substantial change in the wireless ecosystem where data as well as their owners become crucial. As a result, the roll out of AI techniques in wireless systems ...

    • Design of a hybrid ground/space architecture based on individual on-board feed power optimization for the forward link of a multi-beam broadband satellite system 

      Joroughi, Vahid; Vazquez, Miguel Angel; Devillers, Bertrand; Pérez Neira, Ana Isabel (American Institute of Aeronautics and Astronautics (AIAA), 2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The multi-beam broadband satellite systems have been deployed to provide broadband services to their under-served geo-graphical area. In one hand, with assuming full frequency reuse among beams the resulting interference ...