Exploració per autor "Agustín de Dios, Adrián"
Ara es mostren els items 53-71 de 71
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Performance analysis of feedback-free collision resolution NDMA protocol
Lagén Morancho, Sandra; Agustín de Dios, Adrián; Vidal Manzano, José; García Mateos, Jorge (2018-12-01)
Article
Accés obertTo support communications of a large number of deployed devices while guaranteeing limited signaling load, low energy consumption, and high reliability, future cellular systems require efficient random access protocols. ... -
Performance analysis of inter-cell interference coordination in small-cell networks with long feedback delays
Torrellas Socastro, Marc; Agustín de Dios, Adrián; Vidal Manzano, José (2014)
Text en actes de congrés
Accés restringit per política de l'editorialCurrent state-of-the-art approaches are evaluated for the downlink (DL) of an LTE-based wireless network when multiple Small-Cells (SC) eNBs coexist in the same area. With the aim of increasing data-rate performance of ... -
Performance of downlink schedulers with superposed or orthogonal transmissions
Agustín de Dios, Adrián; Vidal Manzano, José; Muñoz Medina, Olga (2010)
Text en actes de congrés
Accés obertThis work looks into the extension of the proportional fair (PF) scheduler to the multi-user case, where the source is transmitting several messages under the superposition coding (SC) strategy in a Gaussian Broadcast ... -
Project Final Report – FREEDOM ICT-248891
Muñoz Medina, Olga; Vidal Manzano, José; Agustín de Dios, Adrián; de Marinis, Enrico; Janneteau, Christophe; Barbarossa, Sergio; Becvar, Zdenek; Vivier, Guillaume; Lostanlen, Yves; Sundara, Rahadian K.; Hariyanto, Hadi (2012-03-13)
Report de recerca
Accés obertThis document is the final publishable summary report of the objective and work carried out within the European Project FREEDOM, ICT-248891. -
Protocols and resource allocation for the two-way relay channel with half-duplex terminals
Agustín de Dios, Adrián; Vidal Manzano, José; Muñoz Medina, Olga (2009)
Text en actes de congrés
Accés obertThe two-way relay channel (TWRC) describes the communication between two terminals sharing a common relay. In this work we compare different protocols for the TWRC with a half-duplex relay (forwarding and protocol I) and ... -
Receive antenna selection and hybrid precoding for receive spatial modulation in massive MIMO systems
Raafat Hosny Mohamed Fahm, Ahmed; Agustín de Dios, Adrián; Vidal Manzano, José (Institute of Electrical and Electronics Engineers (IEEE), 2018)
Comunicació de congrés
Accés obertRecently, a receive spatial modulation (RSM) for massive multiple-input-multiple-output operating in millimeter wave (mmWave) was introduced with the purpose of simplifying user terminal circuit by employing only one ... -
Receive spatial modulation for massive MIMO systems
Raafat Hosny Mohamed Fahm, Ahmed; Agustín de Dios, Adrián; Vidal Manzano, José (Institute of Electrical and Electronics Engineers (IEEE), 2017)
Text en actes de congrés
Accés obertIn this paper, we consider the downlink of a massive multiple-input-multiple-output (MIMO) single user transmission system operating in the millimeter wave outdoor narrowband channel environment. We propose a novel receive ... -
Relay-assited transmission and radio resource management for wireless networks
Agustín de Dios, Adrián (Universitat Politècnica de Catalunya, 2008-01-01)
Tesi
Accés obertLa transmisión asistida por relay o transmisión cooperativa es una nueva técnica de diversidad espacial donde aparece un elemento nuevo (un relay o un usuario cooperativo) en la tradicional transmisión punto a punto (fuente ... -
Resource optimization in the decode-and-forward multiple relay-assisted channel
Vidal Manzano, José; Agustín de Dios, Adrián (2008)
Text en actes de congrés
Accés obertThe half-duplex multiple relay-assisted channel is investigated, where the relays work under decode-and-forward (DF) in time/frequency orthogonal resources. Achievable rates are optimized with respect to the transmitted ... -
Retrospective interference alignment for the 3-user MIMO interference channel with delayed CSIT
Torrellas Socastro, Marc; Agustín de Dios, Adrián; Vidal Manzano, José (Institute of Electrical and Electronics Engineers (IEEE), 2014)
Text en actes de congrés
Accés restringit per política de l'editorialThe degrees of freedom (DoF) of the 3-user multiple input multiple output interference channel (3-user MIMO IC) are investigated where there is delayed channel state information at the transmitters (dCSIT). We generalize ... -
Retrospective interference alignment for the MIMO interference broadcast channel
Torrellas, Marc; Agustín de Dios, Adrián; Vidal, Josep (Institute of Electrical and Electronics Engineers (IEEE), 2015)
Text en actes de congrés
Accés restringit per política de l'editorialRetrospective Interference Alignment is a linear precoding strategy that seizes delayed channel state information at the transmitters (CSIT), improving the degrees of freedom (DoF) that can be achieved without CSIT for ... -
Signal-timing offset compensation in dense TDD OFDM-based networks
Agustín de Dios, Adrián; Lagén Morancho, Sandra; Vidal Manzano, José (Institute of Electrical and Electronics Engineers (IEEE), 2017)
Text en actes de congrés
Accés obertOrthogonal Frequency Division Multiplexing (OFDM)-based networks rely on time synchronization to obtain their best performance. Time synchronization with neighboring nodes can be satisfied by increasing the cyclic prefix ... -
Space-time front-ends for RAKE receivers in the FDD mode of UTRA
Vidal Manzano, José; Cabrera-Bean, Margarita; Agustín de Dios, Adrián (AMADEIA. Association Marocaine pour le Développement de l'Electrique, l'Electronique, l'Informatique et l'Automatique, 2000-01)
Article
Accés obertA unified and general vision of different space-time processors is presented. Many popular receivers can be accomodated, like V-RAKE receivers, weighted V-RAKE, or spatial narrowband beamforming. By making appropriate ... -
State-of-the-art assessment of 5G mmWave communications
Agustín de Dios, Adrián; Vidal Manzano, José; Corre, Yoann; Gougeon, Gregory; Letourneux, Florian; Basavarajappa, Vedaprabhu; Bedia, Beatri; Tan, Yi (2016-04-30)
Report de recerca
Accés obertMain objective of the European 5Gwireless project, which is part of the H2020 Marie Slodowska- Curie ITN (Innovative Training Networks) program resides in the training and involvement of young researchers in the elaboration ... -
Technoeconomic evaluation of cooperative relaying transmission techniques in OFDM cellular networks
Moral, Antolín; Vidal Manzano, José; Pérez, Jorge; Agustín de Dios, Adrián; Marina, Ninoslav; Host-Madsen, Anders (HINDAWI, 2011-02-27)
Article
Accés restringit per política de l'editorialWe evaluate the costs in the deployment of a 4G relay-assisted network in the 2.6GHz band following a technoeconomic methodology that departs fromcell dimensioning based on spectral efficiency and outage capacity requirements. ... -
The DoF of the 3-User (p, p+1) MIMO Interference Channel
Torrellas Socastro, Marc; Agustín de Dios, Adrián; Vidal Manzano, José; Muñoz Medina, Olga (2014-11-01)
Article
Accés restringit per política de l'editorialThe degrees of freedom (DoF) of the 3-user multiple-input multiple-output (MIMO) interference channel (IC) with full channel state information and constant channel coefficients are investigated when (p, p + 1) antennas are ... -
The TUCAN3G project: wireless technologies for isolated rural communities in developing countries based on 3G small-cell deployments
Martínez Fernández, Andrés; Vidal Manzano, José; Simó Reigadas, Javier; Prieto Egido, Ignacio; Agustín de Dios, Adrián; Paco Fernández, Juan; Rendón, Álvaro (2016-07-01)
Article
Accés obertRecent years have witnessed a massive penetration of cellular systems in developing countries. However, isolated rural areas (sparsely inhabited by low-income population) have been disregarded because classical access and ... -
TROPIC-D21 Scenario and Requirements
Becvar, Zdenek; Vondra, Michal; Dolezal, Jakub; Mach, Pavel; Rohlik, Matej; Agustín de Dios, Adrián; Lagén Morancho, Sandra; Muñoz Medina, Olga; Pascual Iserte, Antonio; Torrellas Socastro, Marc; Vidal Manzano, José; Lobillo Vilela, Felicia; Juan, Ana; Puente, Miguel Angel; Simamora, Lamhot; Anugrahani, Melani; Kelana, Eka; Hariyanto, Hari; Ari Wibowo, Franciscus X.; Ludfy, Ahmad; Budiono, Karno; Nainggolan, Lesmin; Chandra, Lunel; Goldhammer, Mariana; de Marinis, Enrico; Gambetti, Fabrizio; Lo Presti, D.; Mei, Alessandro; Stefa, Julinda; Vivier, Guillaume; Sezginer, Serdar; Sarkiss, Mireille; Barbarossa, Sergio; di Lorenzo, Paolo; Sardellitti, Stefania; Baiocchi, Andrea (2013-07-22)
Report de recerca
Accés obertThis deliverable defines general framework for consequent technical workpackages in TROPIC. First, scenarios from the business point of view are defined and further transformed to more technical representation. Then, ... -
Wideband receive spatial modulation with time domain pre-equalizer for large MIMO systems
Raafat Hosny Mohamed Fahm, Ahmed; Agustín de Dios, Adrián; Vidal Manzano, José (2018)
Text en actes de congrés
Accés obertReceive spatial modulation (RSM) schemes are promising for massive multiple-input-multiple-output (MIMO) systems at millimeter wave (mmWave) bands because they require reduced complexity and low consumption hardware at the ...