Exploració per autor "Vidal Manzano, José"
Ara es mostren els items 92-111 de 164
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Joint allocation of radio and computational resources in wireless application offloading
Muñoz Medina, Olga; Pascual Iserte, Antonio; Vidal Manzano, José (European Commission. EU Publications, 2013)
Text en actes de congrés
Accés restringit per política de l'editorialProviding femto-access points (FAPs) with computational capabilities will allow (either totally or partially) offloading of highly demanding applications from smart-phones to the so called femto-cloud. Such offloading ... -
Joint array combining and MLSE for single-user receivers in multipath Gaussian multiuser channels
Lagunas Hernandez, Miguel A.; Vidal Manzano, José; Pérez Neira, Ana Isabel (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2000-09-30)
Article
Accés obertThe well-known structure of an array combiner along with a maximum likelihood sequence estimator (MLSE) receiver is the basis for the derivation of a space-time processor presenting good properties in terms of co-channel ... -
Joint beamforming and Viterbi equalizer in wireless communications
Lagunas Hernandez, Miguel A.; Pérez Neira, Ana Isabel; Vidal Manzano, José (Institute of Electrical and Electronics Engineers (IEEE), 1997)
Text en actes de congrés
Accés obertThe presence of a sequence detector in the baseline architecture for base stations for mobile communications has become a standard. Also the use of coding allows the baseband detector to work at very low signal to noise ... -
Joint physical-MAC layer design of the broadcast channel protocol in adhoc networks
Madueño Ruíz, María Isabel; Vidal Manzano, José (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2005-01-31)
Article
Accés obertBroadcast transmission mode in ad hoc networks is critical to manage multihop routing or providing medium access control (MAC)-layer fairness. In this paper, it is shown that a higher capacity to exchange information ... -
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)
Text en actes de congrés
Accés obertWe 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 ... -
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 ... -
MCS and sub-band selection for downlink interference coordination in LTE-A Femtocells
Muñoz Medina, Olga; Agustín de Dios, Adrián; Vidal Manzano, José (Institute of Electrical and Electronics Engineers (IEEE), 2012)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper proposes a decentralized algorithm for interference coordination in LTE-A networks, based on the exchange of information (pricing) at control plane level. In our approach, every user equipment (UE) report the ... -
MMSE precoding for receive spatial modulation in large 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 obertReceive spatial modulation (RSM) schemes enable simple and energy efficient multiple-input-multiple-output (MIMO) transceivers and yet attain high spectral efficiency, which renders them promising schemes for millimeter ... -
Multi-user precoder designs for RGB visible light communication systems
Viñals Terrés, Roser; Muñoz Medina, Olga; Agustín de Dios, Adrián; Vidal Manzano, José (2020-11-29)
Article
Accés obertIn this paper, we design linear precoders for the downlink of a visible light communication (VLC) system that simultaneously serves multiple users. Instead of using phosphor-coated white light-emitting diodes (PWLEDs), we ... -
Net DoF analysis for the K-user MISO IC with outdated and imperfect channel feedback
Torrellas Socastro, Marc; Agustín de Dios, Adrián; Vidal Manzano, José (Institute of Electrical and Electronics Engineers (IEEE), 2015)
Text en actes de congrés
Accés restringit per política de l'editorialThe net degrees of freedom (DoF ) describe the efficiency of a protocol in terms of network throughput at high signal-to-noise ratio (SNR). As the conventional DoF, it captures how the achievable user data rate grows as ... -
Network dimensioning and base station on/off switching strategies for sustainable deployments in remote areas
Rubio López, Javier; Olmo Alòs, Jaume del; Pascual Iserte, Antonio; Vidal Manzano, José; Muñoz Medina, Olga; Agustín de Dios, Adrián (2017-12)
Article
Accés obertThis paper provides a methodology for the dimensioning of the access network in remote rural areas, considering the progressive introduction of cellular services in these regions. A 3G small cell (SC) network with one or ... -
Network MIMO for downlink in-band relay transmissions with relaying phases of fixed duration
Agustín de Dios, Adrián; Vidal Manzano, José; Lagén Morancho, Sandra; Valera, Eduard (2011)
Text en actes de congrés
Accés restringit per política de l'editorialA half-duplex relay station (RS)-based cellular system deployment is considered, where multiple base stations (BS) cooperate in the BS-RS in-band transmission for the downlink. The duration of the relay-receive and the ... -
Network-MIMO backhauling for QOS-constrained relay transmission
Vidal Manzano, José; Agustín de Dios, Adrián; Lagén Morancho, Sandra; Valera, Eduard; Muñoz Medina, Olga; García Armada, Ana; Sánchez Fernández, Matilde (2011)
Text en actes de congrés
Accés restringit per política de l'editorialA relay station (RS)-based cellular system deployment is considered, where multiple base stations (BS) cooperate in the BS-RS in-band transmission for the downlink. With the joint optimization of the resources allocated ... -
Network-MIMO for downlink in-band relay transmissions
Lagén Morancho, Sandra; Agustín de Dios, Adrián; Vidal Manzano, José (2013-01-23)
Article
Accés restringit per política de l'editorialWith the objective of improving the spectral efficiency and coverage homogeneity of wireless cellular systems in the downlink, we investigate how to take advantage of two promising transmission technologies envisioned in ... -
New hos-based parameter estimation methods for speech recognition in noisy environments
Moreno Bilbao, M. Asunción; Tortola, S; Vidal Manzano, José; Rodríguez Fonollosa, José Adrián (. S.N., 1995)
Text en actes de congrés
Accés obertThe problem of recognition in noisy environments is addressed. Often, a recognition system is used in a noisy environment and there is no possibility of training it with noisy samples. Classical speech analysis techniques ... -
NLOS mitigation based on TOA for mobile subscriber positioning systems by weighting measures and geometrical restrictions
René Jativa, E.; Sanchez, David; Vidal Manzano, José (Institute of Electrical and Electronics Engineers (IEEE), 2015)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper studies the Non-Line-Of-Sight condition mitigation issue in mobile subscriber positioning systems by weighting Time-Of-Arrival measures and applying geometrical estrictions. Particularly, this work departs from ... -
Non-noticeable information embedding in color images: marking and detection
Vidal Manzano, José; Sayrol Clols, Elisa; Cabanillas, Silvia; Santamaria, Sonia (Institute of Electrical and Electronics Engineers (IEEE), 1999)
Text en actes de congrés
Accés obertOne of the problems arising from the use of digital media is the ease of obtaining identical copies of digital images or audio files, allowing manipulation and unauthorized use. Copyright is an effective tool for preserving ...