Now showing items 112924-112943 of 176130

    • Multi-stream transmission in MIMO-FBMC systems 

      Caus López, Marius; Pérez Neira, Ana Isabel (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Conference report
      Restricted access - publisher's policy
      This paper addresses the design of MIMO precoding and decoding techniques for the filter bank multicarrier (FBMC) modulation. Existing solutions give satisfactory performance in scenarios with high coherence bandwidth ...
    • Multi-subject communication interface for phychophysical experiments 

      Llobet Herranz, Sergi (Universitat Politècnica de Catalunya, 2014-07)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   Hospital Sant Joan de Déu
      El Software desenvolupat és una aplicació d'escriptori del projecte de fi de carrera de l'estudiant Sergi Llobet Herranz en la titulació d'Enginyeria Tècnica en Informàtica de Gestió. Neix a partir d'una petició per ...
    • Multi-surface description of temperature and strain rate-dependent damage initiation and growth in ductile viscoplastic materials 

      Longere, Patrice; Geffroy, Anne-Gaelle; Leble, Bruno; Dragon, Andre (CIMNE, 2011)
      Conference report
      Open Access
      A phenomenological modelling approach has been developed, based on some salient physical effects regarding void growth vs. plastic straining, to describe the transition behaviour between dense metal plasticity and micro-porous ...
    • Multi-target & multi-detector people tracker for mobile robots 

      Corominas Murtra, Andreu; Pagès, Jordi; Pfeiffer, Sammy (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Conference report
      Open Access
      People tracking is a key perception skill for mobile robots designed to share environments with human beings. It allows the robot to keep track of people around them, which is fundamental for two main reasons: safety and ...
    • Multi-task Deep Learning models for real-time deployment in embedded systems 

      Martí I Rabadán, Miquel (Universitat Politècnica de Catalunya, 2017-05-23)
      Master thesis
      Open Access
      Covenantee:   Kungl. tekniska högskolan. Skolan för elektroteknik och datavetenskap
      Multitask Learning (MTL) was conceived as an approach to improve the generalization ability of machine learning models. When applied to neural networks, multitask models take advantage of sharing resources for reducing the ...
    • Multi-technique approach to rockfall monitoring in the Montserrat massif (Catalonia, NE Spain) 

      Janeras, Marc; Jara Salvador, José Antonio; Royan, Manuel J.; Vilaplana, Joan Manuel; Aguasca Solé, Alberto; Fabregas Canovas, Francisco Javier; Gili Ripoll, José Antonio; Buxó, Pere (2017-03-09)
      Article
      Open Access
      Covenantee:   Institut Cartogràfic i Geològic de Catalunya / Universitat de Barcelona. Departament de Dinàmica de la Terra i de l'Oceà
      Montserrat Mountain is located near Barcelona in Catalonia, in the northeast of Spain, and its massif is formed by conglomerate interleaved by siltstone/sandstone with steep slopes very prone to rockfalls. The increasing ...
    • Multi-technique characterization of a fine fraction of CDW and assessment of reactivity in a CDW/lime system 

      Frias Rojas, Moisés; Vigil de la Villa, Raquel; Martínez Ramírez, Sagrario; Fernández Carrasco, Lucía; Villar Cociña, Ernesto; García Giménez, Rosario (2020-07)
      Article
      Open Access
      This study analysed the fine particle (<5 mm) waste generated during siliceous or calcareous (depending on the composition of the original aggregate) concrete waste crushing. In the absence of industrial applications, such ...
    • Multi-temporal analysis of morphologic changes applying geomatic techniques: 70 years of torrential activity in the Rebaixader catchment (Central pyrenees) 

      Núñez Andrés, María Amparo; Buill Pozuelo, Felipe; Hurlimann Ziegler, Marcel; Abanco Martínez de Arenzana, Claudia (2019-01)
      Article
      Open Access
      Covenantee:   Institut Cartogràfic i Geològic de Catalunya
      The monitoring of morphologic changes in high-mountain environments is an important, but complex task. Terrestrial as well as airborne laser scanning (TLS and ALS) and digital photogrammetry (DP) using Unnamed Aerial Vehicle ...
    • Multi-temporal evaluation of soil moisture and land surface temperature dynamics using in situ and satellite observations 

      Pablos Hernánez, Miriam; Martínez Fernández, José; Piles Guillem, Maria; Sánchez, Nilda; Vall-Llossera Ferran, Mercedes Magdalena; Camps Carmona, Adriano José (2016-07-11)
      Article
      Open Access
      Soil moisture (SM) is an important component of the Earth’s surface water balance and by extension the energy balance, regulating the land surface temperature (LST) and evapotranspiration (ET). Nowadays, there are two ...
    • Multi-tenant Admission Control for future networks 

      Vera Maraví, Alexandro (Universitat Politècnica de Catalunya, 2020-01)
      Master thesis
      Open Access
      The global telecommunications landscape is going to shift considerably due to the impact of the new generation of future networks. It is estimated that by 2025, one-third of the global population will use 5G. Accordingly, ...
    • Multi-tenant mobility control in small cells as a service 

      Sallent Roig, José Oriol; Pérez Romero, Jordi; Ferrús Ferré, Ramón Antonio; Agustí Comes, Ramon (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Conference report
      Restricted access - publisher's policy
      Small Cell as a Service (SCaaS) is envisaged as a solution to facilitate the provisioning of shared radio access capacity to mobile operators in areas where dedicated per-operator deployments may be impractical, typically ...
    • Multi-tenant Pub/Sub processing for real-time data streams 

      Villalba Navarro, Álvaro; Carrera Pérez, David (Springer, 2018-12)
      Conference lecture
      Open Access
      Devices and sensors generate streams of data across a diversity of locations and protocols. That data usually reaches a central platform that is used to store and process the streams. Processing can be done in real time, ...
    • Multi-tenant slicing for spectrum management on the road to 5G 

      Vincenzi, Matteo; Antonopoulos, Angelos; Kartsakli, Elli; Vardakas, John S.; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (2017-10-01)
      Article
      Open Access
      The explosive data traffic demand in the context of the 5G revolution has stressed the need for network capacity increase. As the network densification has almost reached its limits, mobile network operators are motivated ...
    • Multi-tenant software-defined hybrid optical switched data centre 

      Peng, Shuping; Guo, Bingli; Jackson, Chris; Najabati, Reza; Agraz Bujan, Fernando; Spadaro, Salvatore; Bernini, Giacomo; Ciulli, Nicola; Simeonidou, Dimitra (2015-08-01)
      Article
      Open Access
      We introduce a holistic solution for software-defined optical data centres (DC). Hybrid optical circuit/packet switching technologies are employed in the data plane, while a software-defined networking (SDN) controller ...
    • Multi-terminal HVDC grids control and operation 

      Rouzbehi, Kumars (Universitat Politècnica de Catalunya, 2016-03-29)
      Doctoral thesis
      Open Access
      In recent years, there have been considerable efforts in the design and development of technologies and techniques for more efficient harvesting of renewable energy resources to meet the ever increasing electric power ...
    • Multi-terminal HVDC grids with inertia mimicry capability 

      Zhang, Weiyi; Rouzbehi, Kumars; Luna Alloza, Álvaro; Gharehpetian, Gevorg B.; Rodríguez Cortés, Pedro (2016-06-23)
      Article
      Open Access
      The high-voltage multi-terminal dc (MTDC) systems are foreseen to experience an important development in the next years. Currently, they have appeared to be a prevailing technical and economical solution for harvesting ...
    • Multi-terminal HVDC voltage droop control design considering DC grid, AC grid and MMC dynamics 

      Sánchez Sánchez, Enric; Prieto Araujo, Eduardo; Gomis Bellmunt, Oriol (2017)
      Conference report
      Restricted access - publisher's policy
      In this paper, a voltage droop control tuning strategy for a four-terminal high-voltage direct current (HVDC) grid is described, considering the DC multi-terminal grid, the AC grid and the modular ...
    • Multi-terminal MVDC grids fault location and isolation 

      Monadi, Mehdi; Koch-Ciobotaru, Cosmin; Luna Alloza, Álvaro; Candela García, José Ignacio; Rodríguez Cortés, Pedro (2016-06-28)
      Article
      Open Access
      Voltage source converters (VSCs) are highly vulnerable to DC fault current; thus, protection is one of the most important concerns associated with the implementation of multi-terminal VSC-based DC networks. This paper ...
    • Multi-TID detection and characterization in a dense Global Navigation Satellite System receiver network 

      Yang, Heng; Monte Moreno, Enrique; Hernández Pajares, Manuel (2017-09-01)
      Article
      Open Access
      The medium-scale traveling ionospheric disturbances (MSTIDs) constitute the most frequent ionospheric wave signatures. We propose a method for detecting the number of simultaneous MSTIDs from a time series of high-pass-filtered ...
    • Multi-TOA based position estimation for IR-UWB 

      Floriach, Genís; Nájar Martón, Montserrat; Navarro, Monica (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Conference lecture
      Restricted access - publisher's policy
      The problem of localizing an IR-UWB transmitter from the signals received at several anchors is considered. The positioning problem is typically solved in a two-step approach where in the first step the Time of Arrival ...