Exploració per autor "Agustín de Dios, Adrián"
Ara es mostren els items 22-41 de 71
-
Efficient use of paired spectrum bands through TDD small cell deployments
Agustín de Dios, Adrián; Lagén Morancho, Sandra; Vidal Manzano, José; Muñoz Medina, Olga; Pascual Iserte, Antonio; Zhiheng, Guo; Ronghui, Wen (2017-09)
Article
Accés obertTraditionally, wireless cellular systems have been designed to operate in frequency division duplexing (FDD) paired bands that allocate the same amount of spectrum for both downlink (DL) and uplink (UL) communications. ... -
Energy efficient cell load-aware coverage optimization for small-cell networks
Agustín de Dios, Adrián; Lagén Morancho, Sandra; Vidal Manzano, José (2015)
Text en actes de congrés
Accés restringit per política de l'editorialSelf-organizing network is a new capability envisioned for the near-future wireless cellular networks. Among the different use cases, here we tackle the coverage optimization with the objective of adjusting the power devoted ... -
Energy efficient transmit-receive hybrid spatial modulation for large-scale MIMO systems
Raafat Hosny Mohamed Fahm, Ahmed; Sefunç, Merve; Agustín de Dios, Adrián; Vidal Manzano, José; Jorswieck, Eduard Axel; Corre, Yoann (2020-03-01)
Article
Accés obertWe consider a point to point large-scale multipleinput multiple-output (MIMO) system operating in the millimeter wave (mmWave) band and an outdoor scenario. Novel transmit and receive spatial modulation (SM) schemes are ... -
Energy efficient transmit-receive spatial modulation for uplink-downlink large-scale MIMO systems
Raafat Hosny Mohamed Fahm, Ahmed; Yüzgeçcioglu, Merve; Zahid Aslam, Mohammed; Agustín de Dios, Adrián; Vidal Manzano, José; Jorswieck, Eduard Axel; Corre, Yoann (2019-02-21)
Text en actes de congrés
Accés obertEnergy efficient spatial modulation-aided uplink and downlink designs for future millimeterwave (mmWave) large-scale multiple-input multiple-output (MIMO) systems are considered. Two novel uplink transceivers are proposed ... -
Enhanced MDIR receiver for space-time dispersive channels
Vidal Manzano, José; Cabrera-Bean, Margarita; Agustín de Dios, Adrián; Lagunas Hernandez, Miguel A. (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2003-01-31)
Article
Accés obertA particular property of the matched desired impulse response receiver is introduced in this paper, namely, the fact that full exploitation of the diversity is obtained with multiple beamformers when the channel is ... -
FREEDOM - D42 Design and evaluation of effective procedures for MAC layer
Mach, P.; Becvar, Z.; Bestak, R.; Neruda, M.; Roux, P.; Hariyanto, H.; Ari Wibowo, F.X.; Agustín de Dios, Adrián; Muñoz Medina, Olga; Vidal Manzano, José; Carfagna, A. (2012-01)
Report de recerca
Accés obertThe implementation of femtocells introduces many technical challenges that must be solved in order to fully exploit their potentials. This deliverable primarily focuses on control procedures for radio resource management ... -
FREEDOM D3.2 Interference Coordination Protocols in Femto-based Networks
Agustín de Dios, Adrián; Muñoz Medina, Olga; Vidal Manzano, José; Goldhammer, Mariana; Rodríguez Fonollosa, Javier; Pastore, Adriano; Sardellitti, Stefania; Pescosolido, Loreto; di Lorenzo, Paolo; Barbarossa, Sergio; Baiocchi, Andrea; de Marinis, Enrico; Imponente, Giovanni; Pucci, Fabrizio; Rosi, Guido (2011-11-28)
Report de recerca
Accés obertThis document looks into coordinated radio resource allocation algorithms in deployments of huge number of femto-access points (FAP) by exploiting the message exchange at control-plane level through the wired ISP backhaul ... -
FREEDOM D3.3 - Cooperative schemes in the femto-based networks
Agustín de Dios, Adrián; Vidal Manzano, José; Pescosolido, L.; Barbarossa, S.; Kammoun, M.; Sarkiss, M. (2012-01)
Report de recerca
Accés obertWe investigate cooperative transmission schemes that can be applied to joint deployments of femto-access points (FAPs) and macro base stations (MBS) by exploiting backhaul communication links between nodes at the data-plane ... -
FREEDOM D4.2 Design and evaluation of effective procedures for MAC layer
Mach, Pavel; Becvar, Zdenek; Bestak, Robert; Neruda, M.; Roux, Pierre; Hariyanto, Hari; Ari Wibowo, Franciscus X.; Agustín de Dios, Adrián; Muñoz Medina, Olga; Vidal Manzano, José; Carfagna, Alessandro (2012-01-16)
Report de recerca
Accés obertThe implementation of femtocells introduces many technical challenges that must be solved in order to fully exploit their potentials. This deliverable primarily focuses on control procedures for radio resource management ... -
FREEDOM Project. Interference coordination protocols in femto-based networks
Rosi, Guido; Pucci, Fabrizio; Imponente, Giovanni; de Marinis, Enrico; Baiocchi, Andrea; Barbarossa, Sergio; di Lorenzo, Paolo; Agustín de Dios, Adrián; Muñoz Medina, Olga; Vidal Manzano, José; Goldhamer, M.; Rodríguez Fonollosa, Javier; Pastore, A.; Sardellitti, Stefania; Pescosolido, Loreto (2011-11-28)
Report de recerca
Accés obertThis document looks into coordinated radio resource allocation algorithms in deployments of huge number of femto-access points (FAP) by exploiting the message exchange at control-plane level through the wired ISP backhaul ... -
FREEDOM Project. Scenario, requirements and first business model analysis
Imponente, Giovanni; Vivier, G.; Agustín de Dios, Adrián; Vidal Manzano, José; Muñoz Medina, Olga; Barbarossa, Sergio; Pescosolido, Loreto; Omilipo, M; de Marinis, Enrico; Simamora, L; Widiawan, A.K.; Hariyanto, H; Corre, Y; Mach, P; Becvar, Z; Kamoun, M; Roux, P; Lopatka, M (2010-06-20)
Report de recerca
Accés obertThis deliverable is the first of FREEDOM project. It provides an outlook of the scenarios and assumptions widely shared in the wireless community when addressing femtocell deployment. It starts by providing scenarios as ... -
Hierarchical beamforming in random access channels
Agustín de Dios, Adrián; Cabrera-Bean, Margarita; Vidal Manzano, José (Institute of Electrical and Electronics Engineers (IEEE), 2021)
Comunicació de congrés
Accés obertManaging a massive number of terminals in a contention-based multiple access is challenging due to its intrinsic limited efficiency. For example, in the random access channel considered in LTE-A and 5G NR, Base Station ... -
Hybrid turbo FEC/ARQ systems and distributed space-time coding for cooperative transmission
Agustín de Dios, Adrián; Vidal Manzano, José; Muñoz Medina, Olga (2005-08-24)
Article
Accés obertCooperative transmission can be seen as a "virtual" MIMO system, where the multiple transmit antennas are in fact implemented distributed by the antennas both at the source and the relay terminal. Depending on the system ... -
Improper Gaussian signaling for the Z-interference channel
Lagén Morancho, Sandra; 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 optimal transmission scheme for a multiple-input multiple-output point-to-point channel (MIMO-P2P) is dependent on the type of received interference, which can be either proper or improper. We will show that the presence ... -
Improved interference alignment precoding for the MIMO X channel
Agustín de Dios, Adrián; Vidal Manzano, José (2011)
Text en actes de congrés
Accés restringit per política de l'editorialWe derive a linear transmit precoding scheme based on interference alignment at the transmitters and zero-forcing at the receivers, for the MIMO X channel based on the Generalized Singular Value Decomposition (GSVD) that ... -
Innovative mmWave transmissions schemes channel models and antennas
Agustín de Dios, Adrián; Vidal Manzano, José; Pascual Iserte, Antonio; Raafat Hosny Mohamed Fahm, Ahmed; Aslam, Zahid; Corre, Yoann; Basavarajappa, Vedaprabhu; Bedia, Beatriz; Tan, Yi; Wang, Cheng-Xiang (2017-10-12)
Report de recerca
Accés obertThe next generation (5G) of wireless communication will improve upon existing mobile communication standards significantly while taking into account the increasing amount of stress on the limited amount of available ... -
Joint user scheduling and transmit direction selection in 5G TDD dense small cell networks
Lagén Morancho, Sandra; Agustín de Dios, Adrián; Vidal Manzano, José (Institute of Electrical and Electronics Engineers (IEEE), 2016)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper proposes a joint user scheduling and transmit direction selection procedure for dynamic TDD in 5G dense small cell networks, where the transmit direction (i.e. downlink (DL) or uplink (UL)) selected per small ... -
Joint user scheduling, precoder design, and transmit direction selection in MIMO TDD small cell networks
Lagén Morancho, Sandra; Agustín de Dios, Adrián; Vidal Manzano, José (2017-04-01)
Article
Accés obertNew short-length single-direction frame structures are proposed for 5G time division duplex (TDD) systems, where the transmit direction [i.e., either downlink (DL) or uplink (UL)] can be independently chosen at each cell ... -
Linear transceiver design in nonregenerative relays with channel state information
Muñoz Medina, Olga; Vidal Manzano, José; Agustín de Dios, Adrián (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2007-06)
Article
Accés obertThis paper deals with the design of nonregenerative relaying transceivers in cooperative systems where channel state information (CSI) is available at the relay station. The conventional nonregenerative approach is the ... -
Long-term provisioning of radio resources based on their utilization in dense OFDMA networks
Lagén Morancho, Sandra; Muñoz Medina, Olga; Pascual Iserte, Antonio; Vidal Manzano, José; Agustín de Dios, Adrián (Institute of Electrical and Electronics Engineers (IEEE), 2016)
Text en actes de congrés
Accés obertThis paper presents long-term resource provisioning schemes for dense multi-cell OFDMA-based networks, where multiple cells with possibly overlapping coverage areas compete for the same set of resources. The optimization ...