Desenvolupament i anàlisi de tècniques avançades de processament digital del senyal amb èmfasi en la seva aplicació a sistemes de comunicacions i/o localització. Àrees d'interès especial són les comunicacions sense fils en tots els seus àmbits, des del personal, local i cel·lular i ampliant el seu abast fins a les comunicacions per satèl·lit i d'espai profund, així com els sistemes de localització adequats a tots aquests entorns. Les tècniques en les quals el grup acumula una experiència considerable i en què és previsible una participació més significativa en el futur són les següents: disseny de sistemes de comunicacions per satèl·lit avançats, desenvolupament de sistemes de comunicacions sense fils amb múltiples antenes en transmissió i/o recepció, desenvolupament de sistemes avançats de localització i navegació i optimització d'esquemes d’assignació de recursos per a sistemes i xarxes de comunicacions sense fils no centralitzades.

Development and analysis of advanced signal processing techniques with emphasis on their application to communication and location systems. Wireless communication networks at the personal, local and cellular levels up to satellite and deep space communications constitute areas of special interest, as well as location and navigation systems adequate to these environments. The fields in which our research group enjoys considerably experience and in which we will foreseeably be engaged in the future are the following: design of advanced satellite communication systems, development of wireless communication systems with multiple transmitting/receiving antennas, development of advanced location and navigation systems and optimization of resource allocation schemes for decentralized wireless communication systems and networks.

Recent Submissions

  • 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)
    External 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, ...
  • Compressed spectrum sensing in the presence of interference: comparison of sparse recovery strategies 

    Lagunas Targarona, Eva; Nájar Martón, Montserrat (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Conference report
    Restricted access - publisher's policy
    Existing approaches to Compressive Sensing (CS) of sparse spectrum has thus far assumed models contaminated with noise (either bounded noise or Gaussian with known power). In practical Cognitive Radio (CR) networks, primary ...
  • Decentralized widely linear precoding design for the MIMO interference channel 

    Lagén Morancho, Sandra; Agustín de Dios, Adrián; Vidal Manzano, José (2014)
    Conference report
    Restricted access - publisher's policy
    his paper addresses the interference management in a MIMO interference channel (MIMO-IC) by proposing a decentralized transmit and receive beamformer optimization using improper (or circularly asymmetric complex) Gaussian ...
  • Channel training procedures for MIMO interfering point-to-multipoint channel 

    Agustín de Dios, Adrián; Lagén Morancho, Sandra; Vidal Manzano, José (2014)
    Conference report
    Restricted access - publisher's policy
    A precise knowledge of the MIMO channel between the serving node and the user equipment (UE) is important for attaining good data rates in downlink transmissions (DL) in cellular systems. The interfering point-tomulti ...
  • Joint scheduling of communication and computation resources in multiuser wireless application offloading 

    Molina Pena, Marc; Muñoz Medina, Olga; Pascual Iserte, Antonio; Vidal Manzano, José (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Conference report
    Open Access
    We consider a system where multiple users are connected to a small cell base station enhanced with computational capabilities. Instead of doing the computation locally at the handset, the users offload the computation ...
  • Subset relay selection in wireless cooperative networks using sparsity-inducing norms 

    Blanco, Luis; Nájar Martón, Montserrat (2014)
    Conference report
    Restricted access - publisher's policy
    This paper addresses the problem of multiple relay selection in a two-hop wireless cooperative network. In particular, the proposed technique selects the best subset of relays, in a distributed beamforming scheme, which ...
  • Spatial sparsity based direct positioning for IR-UWB in IEEE 802.15.4a channels 

    Lagunas Targarona, Eva; Navarro, Mònica; Closas Gómez, Pau; Nájar Martón, Montserrat (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Conference report
    Restricted access - publisher's policy
    In this paper, we focus on the application of Compressive Sensing (CS) techniques to Impulse Radio (IR) Ultra-WideBand (UWB) positioning systems under indoor propagation environments. Direct Position Estimation (DPE) ...
  • An architecture for mobile computation offloading on cloud-enabled LTE small cells 

    Lobillo Vilela, Felicia; Becvar, Zdenek; Puente, Miguel Angel; Mach, Pavel; Lo Presti, Francesco; Gambetti, Fabrizio; Goldhamer, Mariana; Vidal Manzano, José; Widiawan, Anggoro K.; Calvanesse, Emilio (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Conference lecture
    Restricted access - publisher's policy
    Small cell networks are currently seen as a new way to satisfy the increasing wireless traffic demand. The proximity of base stations to subscribers brings many possibilities for the development of new applications, including ...
  • A diffusion-based distributed EM algorithm for density estimation in wireless sensor networks 

    Silva Pereira, Silvana; López Valcarce, Roberto; Pagès Zamora, Alba Maria (Institute of Electrical and Electronics Engineers (IEEE), 2013)
    Conference report
    Restricted access - publisher's policy
    We address the problem of distributed estimation of a parameter from a set of noisy observations collected by a sensor network, assuming that some sensors may be subject to data failures and report only noise. In such ...
  • Nonuniform sampling walls in wideband signal detection 

    Font Segura, Josep; Vázquez Grau, Gregorio; Riba Sagarra, Jaume (2014-01-01)
    Article
    Open Access
    This work shows the existence of sampling walls in detection of wideband signals from Bernoulli nonuniform sampling (BNS) in the presence of noise uncertainty. A sampling wall is defined as the sampling density below which ...

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