Now showing items 1-15 of 15

    • 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
      Open Access
      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 ...
    • 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)
      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 ...
    • D13.2 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)
      Research report
      Open Access
      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)
      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 ...
    • D21.1 - Description of EuWIn@CTTC technical facilities and interfaces, and preliminary plan of activities 

      Payaró, Miquel; Bertzoudis, Nikolaos; Fernández, Carlos; Closas, Pau; Arribas, Javier; Verdone, Roberto; Gezici, Sinan; Umbert Juliana, Anna; Oestges, Claude; Kryszkiewicz, Pawel; Kaltenberger, Florian; Dardari, Davide (2013-04)
      Research report
      Open Access
      The nature of this deliverable of WP2.1 (“Radio interfaces for next-generation wireless systems”) is mainly descriptive; it introduces the EuWIn lab at large, providing detailed descriptions about its three sites (CTTC, ...
    • D21.3 Analysis of initial results at EuWIN@CTTC 

      Fernandez-Prades, Carles; Masera, Guido; Dardari, Davide; Calanchi, Giacomo; Umbert Juliana, Anna; Pérez Romero, Jordi; Kliks, Adrian; Kryszkiewicz, Pawel; Casadevall Palacio, Fernando José; Closas, Pau; Moragrega, Ana; Arribas, Javier; Bartzoudis, Nikolaos; Font-Bach, Oriol; Payaró, Miquel; Vinogradov, Evgenii; Oestges, Claude; Joseph, Wout; Hanssens, Brecht; Degli-Esposti, Vittorio; Vitucci, Enrico; Fleury, Bernard; Zemen, Thomas; Gan, Mingming; Nafka, Amor (2014-11)
      Research report
      Open Access
      The nature of this Deliverable of WP2.1 (“Radio interfaces for next-generation wireless systems”) is mainly descriptive and its purpose is to provide a report on the status of the different Joint Research Activities (JRAs) ...
    • Deployment of indoor LTE small cells in TV white spaces 

      Abdelkader, Abdelrahman; Pérez Romero, Jordi; Umbert Juliana, Anna; Casadevall Palacio, Fernando José; Kliks, Adrian; Kryszkiewicz, Pawel (2015)
      Conference report
      Restricted access - publisher's policy
      This work focuses on the deployment of LTE small cells acting as secondary transmitters in TVWS for indoor scenarios making use of measurements stored in a Radio Environment Map (REM) that characterizes the DVB-T reception. ...
    • DVB-T channels measurements for the deployment of outdoor REM databases 

      Kliks, Adrian; Kryszkiewicz, Pawel; Cichon, Krzysztof; Umbert Juliana, Anna; Pérez Romero, Jordi; Casadevall Palacio, Fernando José (2014)
      Article
      Restricted access - publisher's policy
      In this paper the analysis of the spectrum occupancy in the TV band is provided based on the outdoor measurements campaigns carried out in Poznan, Poland in 2013 and 2014. The goal of this work is to discuss the stability ...
    • DVB-T channels measurements for the deployment of outdoor REM databases 

      Kryszkiewicz, Pawel; Kliks, Adrian; Cichon, Krzysztof; Umbert Juliana, Anna; Pérez Romero, Jordi; Casadevall Palacio, Fernando José (2015)
      Conference report
      Restricted access - publisher's policy
      The goal of this work is to discuss the stability and other important features of the observed spectrum occupancy in the context of outdoor Radio Environment Maps database deployment. Reliable deployment ...
    • DVB-T channels power measurements in indoor/outdoor cases 

      Kliks, Adrian; Kryszkiewicz, Pawel; Cichon, Krzysztof; Umbert Juliana, Anna; Pérez Romero, Jordi; Casadevall Palacio, Fernando José (Institute of Electronics, Information and Communications Engineers (IEICE), 2014)
      Conference lecture
      Open Access
      In this paper the analysis of the spectrum occupancy in the TV band is provided based on the indoor and outdoor measurements campaigns carried out in Poznan, Poland, and Barcelona, Spain, in 2013. The goal of this work ...
    • DVB-T signal detection for indoor environments in low-SNR regime 

      Kryszkiewicz, Pawel; Kliks, Adrian; Pérez Romero, Jordi; Umbert Juliana, Anna (2014-09-01)
      Article
      Open Access
      The problem of coexistence between the primary (licensed) and secondary (non-licensed) users can be solved in various ways. One of them assumes the application of the detailed Radio Environment Maps being a kind of ...
    • On the use of indoor radio environment maps for hetnets deployment 

      Umbert Juliana, Anna; Pérez Romero, Jordi; Casadevall Palacio, Fernando José; Kliks, Adrian; Kryszkiewicz, Pawel (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Conference report
      Restricted access - publisher's policy
      This work analyses the feasibility of building an indoor Radio Environment Map (REM) for supporting the deployment of indoor small cells acting as secondary transmitters in the TVWS band. For that purpose, it proposes a ...
    • Spectrum occupancy in big cities - comparative study: measurement campaigns in Barcelona and Poznan 

      Kliks, Adrian; Kryszkiewicz, Pawel; Pérez Romero, Jordi; Umbert Juliana, Anna; Casadevall Palacio, Fernando José (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Conference report
      Restricted access - publisher's policy
      In this paper a comparative study of two measurement campaigns carried out in Barcelona, Spain, and Pozna, Poland, to identify spectrum occupancy in different bands, is presented. In both cases the measurement setup ...
    • TVWS indoor measurements for HetNets 

      Kliks, Adrian; Kryszkiewicz, Pawel; Umbert Juliana, Anna; Pérez Romero, Jordi; Casadevall Palacio, Fernando José (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Conference report
      Restricted access - publisher's policy
      In this paper the results of intensive measurement campaigns performed inside the buildings in two locations (Poznan, Poland and Barcelona, Spain) are presented and analyzed to investigate their potential in the generation ...
    • Waveform flexibility in database-oriented cognitive wireless systems 

      Kulacz, Lukasz; Kryszkiewicz, Pawel; Kliks, Adrian; Pérez Romero, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Conference report
      Open Access
      In this paper we discuss the idea of waveform flexibility in future wireless networks utilizing cognitive radio functionality. Mainly, we consider the possibility to adjust the shape of the waveform based on the information ...