Now showing items 1-15 of 15

    • An innovative interference mitigation approach for high throughput satellite systems 

      Caus, Marius; Pérez Neira, Ana Isabel; Angelone, Martina; Ginesi, Alberto (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Conference report
      Restricted access - publisher's policy
      This paper investigates how to boost the forward link capacity in multibeam satellite systems. Since co-channel interference is the main inhibitor to achieve the full potential of frequency reuse, we propose to mitigate ...
    • Characterization of the effects of multi-tap filtering on FBMC/OQAM systems 

      Caus, Marius; Pérez Neira, Ana Isabel; Kliks, Adrian (HINDAWI, 2014-06-05)
      Article
      Open Access
      The filter bank multicarrier modulation based on offset quadrature amplitude modulation (FBMC/OQAM) is being considered as an eligible technology for future wireless communications. However, the orthogonality may be destroyed ...
    • 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)
      External research report
      Open Access
      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 ...
    • D13.3 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)
      External research report
      Open Access
      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 ...
    • Dimensionality constraints imposed by highly frequency selective channels on MIMO-FBMC / OQAM systems 

      Pérez Neira, Ana Isabel; Caus, Marius (VDE Conference Publications, 2015)
      Conference report
      Restricted access - publisher's policy
      This paper investigates the application of MIMO to the FBMC/OQAM scheme in highly frequency selective channels. The system model that is considered in this work does not make any assumption about the flatness of the channel. ...
    • Exploratory analysis of superposition coding and rate splitting for multibeam satellite systems 

      Caus, Marius; Pastore, Adriano; Navarro Rodero, Mònica; Ramirez, Tomás; Mosquera Nartallo, Carlos; Noels, Nele; Alagha, Nader; Pérez Neira, Ana Isabel (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Conference report
      Restricted access - publisher's policy
      The adoption of aggressive frequency reuse schemes along with interference management techniques has become the leading paradigm in satellite communications to increase the spectral efficiency. In general terms, one cannot ...
    • Link adaptation in FBMC/OQAM systems using NB-LDPC codes 

      Caus, Marius; Navarro Rodero, Mònica; Mestre, Xavier; Pérez Neira, Ana Isabel (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Conference report
      Restricted access - publisher's policy
      This paper investigates the application of non-binary low density parity check (NB-LDPC) codes to offset-QAM based filter bank multicarrier systems, known as FBMC/OQAM. The analysis conducted in the paper reveals that the ...
    • Low-complexity soft-output MIMO detection in FBMC/OQAM systems 

      Caus, Marius; Pérez Neira, Ana Isabel; Lagunas Hernandez, Miguel A. (2014)
      Conference report
      Restricted access - publisher's policy
      This paper focuses on soft-output detection when coded spatial data multiplexing schemes are combined with filter bank multicarrier systems based on the offset quadrature amplitude modulation (FBMC/OQAM). Due to the ...
    • MIMO signal processing in offset-QAM based filter bank multicarrier systems 

      Pérez Neira, Ana Isabel; Caus, Marius; Rostom, Zakaria; Le Ruyet, Didier; Kofidis, Eleftherios; Haardt, Martin; Mestre, Xavier; Cheng, Yao (2016-11-01)
      Article
      Open Access
      Next-generation communication systems have to comply with very strict requirements for increased flexibility in heterogeneous environments, high spectral efficiency, and agility of carrier aggregation. This fact motivates ...
    • NOMA and interference limited satellite scenarios 

      Caus, Marius; Vázquez, Miguel Ángel; Pérez Neira, Ana Isabel (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Conference report
      Open Access
      This paper deals with the problem of non-orthogonal multiple access (NOMA) in multibeam satellite systems, where the signals are jointly precoded. It is considered that the number of frames that are simultaneously ...
    • Non-orthogonal transmission techniques for multibeam satellite systems 

      Pérez Neira, Ana Isabel; Caus, Marius; Vázquez Oliver, Miguel Ángel (2019-12-01)
      Article
      Open Access
      Non-orthogonal transmission is a promising technology enabler to meet the requirements of 5G communication systems. Seminal papers demonstrated that non-orthogonal multiplexing techniques outperform orthogonal schemes in ...
    • Performance analysis of joint precoding and MUD techniques in multibeam satellite systems 

      Vázquez, Miguel Ángel; Caus, Marius; Pérez Neira, Ana Isabel (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Conference report
      Open Access
      This paper considers interference mitigation techniques in the forward link of multibeam satellite systems. In contrast to previous works, either devoted to receiver interference mitigation (e.g. multiuser detection) or ...
    • Rate splitting for MIMO multibeam satellite systems 

      Vázquez Oliver, Miguel Ángel; Caus, Marius; Pérez Neira, Ana Isabel (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Conference report
      Open Access
      This paper deals with the problem of precoding in multibeam satellite system with rate splitting (RS). In contrast to the single-stream (SS) case where a unique private frame is transmitted towards each beam, in RS we ...
    • System performance of an advanced multi-user detection technique for high throughput satellite systems 

      Angelone, Martina; Ginesi, Alberto; Caus, Marius; Pérez Neira, Ana Isabel; Ebert, Johannes (2015)
      Conference report
      Restricted access - publisher's policy
      The growing demand for high rate broadband satellite services delivered through multi-spot beam systems pushes more and more for spectrum re-usage over the coverage. In this context, due to the non-perfect isolation among ...
    • Towards a non-error floor multi-stream beamforming design for FBMC/OQAM 

      Caus, Marius; Pérez Neira, Ana Isabel; Cheng, Yao; Haardt, Martin (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Conference report
      Open Access
      This paper investigates the application of filter bank multicarrier modulation based on the OQAM (FBMC/OQAM) to multiple-input-multiple-output (MIMO) systems. Existing solutions guarantee satisfactory performance when the ...