• Analysis of M2M Capabilities in 4G 

      Poncela, Javier; Moreno, J.M.; Aamir, Muhammad (2014-05-07)
      M2M (Machine to Machine) communications enable many new applications that reduce the costs of maintenance and operation via remote monitoring and control. The forecasts for this type of communications predict traffic ...
    • IntelCity, comprehensive management platform for smart cities 

      Poncela, Javier; Pérez, N.; Moreno, J.M.; Memon, M. (2014-05-07)
      Modern cities contain a wealth of information that is usually scattered among a myriad of organisms. For citizens it is many times difficult and confusing to access this information. Cities must find a way to put all this ...
    • Parametric model of spectral envelope to synthesize realistic intensity variations in singing voice 

      Molina, Emilio; Barbancho-Perez, Isabel; Barbancho-Perez, Ana Maria; Tardón, Lorenzo J. (2014-05-28)
      In this paper, we propose a method to synthesize the natural variations of spectral envelope as intensity varies in singing voice. To this end, we propose a parametric model of spectral envelope based on novel 4-pole ...
    • Polarization management for coherent optical receivers 

      Robert, Halir; Ortega Moñux, Alejandro; Diego, Perez-Galacho; Carlos, Alonso-Ramos; Ruiyong, Zhang; [et al.] (2014-06-03)
      The constant growth of bandwidth requirements in optical communication networks has prompted the evolution from conventional on-off-keying (OOK) transmission techniques to coherent, polarization multiplexed schemes. The ...
    • Low-cost step aerobics system with virtual aerobics trainer 

      Rosa, Alejandro; Barbancho-Perez, Isabel; Tardón, Lorenzo J.; Barbancho-Perez, Ana Maria (2014-06-30)
      In this paper a low-cost step-aerobics instructor simulation system is presented. The proposed system analyses a given song to iden- tify its rhythmic pattern. Subsequently, this rhythmic pattern is used in order to ...
    • Multimodal image data fusion for Alzheimer’s Disease diagnosis by Sparse Representation 

      Ortiz-Garcia, Andres (KES, 2014-07-09)
      Alzheimer's Diasese (AD) diagnosis can be carried out by analysing functional or structural changes in the brain. Functional changes associated to neurological disorders can be figured out by positron emission tomography ...
    • DC-18 GHz MMIC tapered distributed power amplifier 

      Ng Molina, Francisco Yak; Pérez Parras, Sergio; Camacho-Peñalosa, Carlos; Martín Guerrero, Teresa María (2014-07-22)
      A DC-18 GHz MMIC tapered power distributed amplifier has been designed and simulated in GaAs technology. The amplifier has been designed according to the theory for power and efficiency maximization based on tapered drain ...
    • First steps towards developing an open access software designed for the recognition of daily microstructures used in ageing fish 

      Nava Baro, Enrique; Rey, Javier; García, Alberto; Otero Roth, Pablo; Piñeiro, Carmen; [et al.] (2014-07-29)
      Ageing methods for most of the exploited fish species are not validated, and consequently age data series often have important gaps and uncertainty manifesting its consequences on age-based fisheries assessment. Amongst ...
    • Silicon-on-insulator polarization controller with relaxed fabrication tolerances 

      Sarmiento-Merenguel, J.D; Alonso-Ramos, C.; Halir, Robert; Vivien, L.; Cheben, P.; [et al.] (2014-07-31)
      Polarization control is essential in applications ranging from optical communications to interferometric sensors. The implementation of in- tegrated polarization controllers is challenging as they require polariza- tion ...
    • Receptor coherente integrado ‘colorless’ de gran margen dinámico basado en un acoplador a 120º 

      Reyes-Iglesias, Pedro J; Ortega Moñux, Alejandro; Molina-Fernández, Iñigo (2014-09-09)
      Un receptor ‘colorless’ requerirá en su banda de operación de un elevado rechazo en modo común CMRR para reducir eficientemente la interferencia en banda base ocasionada por los canales colindantes al detectado y conseguir ...
    • The Complementary Strip-Slot: From the Unit-Cell of Artificial Transmission Lines to the Basic Element of Novel Antennas 

      Abdo-Sánchez, Elena; Esteban Marzo, Jaime; Martin-Guerrero, Teresa Maria; Page de la Vega, Juan Enrique; Camacho-Peñalosa, Carlos (2014-09-11)
      The complementary strip-slot radiating element and its applications are reviewed. The element is a modified version of the conventional microstrip-fed slot that presents very broad matching. Its inherent lattice equivalent ...
    • Análisis y diseño de filtros diferenciales basados en líneas acopladas 

      Sánchez-Martínez, Juan José; Márquez-Segura, Enrique (2014-09-11)
      The design of differential bandpass filters using coupled lines is presented. The topology proposed, consisting of short-circuited coupled lines is analyzed by means of analytical equations. The study is carried out by ...
    • Group-scanning for supply chain management 

      Burmester, Mike; Munilla Fajardo, Jorge (2014-09-16)
      The integrity of shipments in the supply chain may have to be tracked remotely by carriers that are not necessarily trusted. We present an RFID framework architecture for applications when multiple scanned tags generate ...
    • Método Basado en Multilateración para Geolocalización y Sincronización en Redes UMTS 

      García-Fernández, Juan Antonio; Jurado-Navas, Antonio; Fernández-Navarro, Mariano; Úbeda, Carlos (2014-09-16)
      In this work, a method in order to jointly estimate the position of the different User Equipments (UEs) and the Relative Time Differences (RTDs) between base stations in UMTS networks is proposed. This method is based ...
    • Protocolo de Cooperación Adaptativo para Sistemas de Comunicaciones Opticas Atmosféricas 

      Boluda-Ruiz, Rubén; García-Zambrana, Antonio (2014-09-16)
      En concreto, se ha analizado un sistema de comunicaciones cooperativas formado por 3 enlaces FSO con retransmision DF usando IM/DD sobre canales con turbulencia atmosferica y desalineamiento entre el transmisor y el ...
    • New open access software designed for the recognition of daily microstructures used in ageing fish 

      Nava Baro, Enrique; Rey, Javier; Clemente-Medina, Maria del Carmen; García, Alberto; Otero Roth, Pablo; [et al.] (2014-10-28)
      Ageing methods for most of the exploited fish species are not validated, and consequently age data series often have important gaps and uncertainty manifesting its consequences on age-based fisheries assessment. In ...
    • The dynamics of user channels in massive MIMO systems 

      Martos-Naya, Eduardo; López-Martinez, F. Javier; Paris Ángel, José Francisco; Goldsmith, Andrea (2014-10-31)
      The SNR associated with the different users in large-scale MIMO systems depends on the magnitude of the eigenvalues of the channel power matrix HH H. While it is known that the spread between the best and worst channels ...
    • Estimation of the direction of strokes and arpegios 

      Barbancho-Perez, Isabel; Tzanetakis, George; Tardón, Lorenzo J.; Driessen, Peter F.; Barbancho-Perez, Ana Maria (2014-11-05)
      Whenever a chord is played in a musical instrument, the notes are not commonly played at the same time. Actually, in some instruments, it is impossible to trigger multiple notes simultaneously. In others, the player can ...
    • Subjective quality in underwater acoustic networks 

      Poncela, Javier (2014-12-22)
      Experiencias sobre calidad subjetiva percibida en redes acústicas submarinas
    • Planificación S-TDMA en redes submarinas de comunicaciones inalámbricas 

      Luque-Nieto, Miguel Ángel; Moreno-Roldán, José Miguel; Poncela, Javier; Otero, Pablo; Fernández-Salas, Luís Miguel; [et al.] (Centro Universitario de la Defensa de Marin, 2015)
      Las redes submarinas de sensores son de importancia en la vigilancia y monitorización del medio submarino. Si se desea que las redes sean inalámbricas y con un alcance superior a unos pocos metros, las comunicaciones han ...