Exploració per autor "Pérez Neira, Ana Isabel"
Ara es mostren els items 54-73 de 252
-
Cooperation on demand protocols for wireless networks
Jesus, Gomez; Alonso Zárate, Jesús; Verikoukis, Christos; Pérez Neira, Ana Isabel; Alonso Zárate, Luis Gonzaga (Institute of Electrical and Electronics Engineers (IEEE), 2007-05-31)
Comunicació de congrés
Accés restringit per política de l'editorialWe consider a cooperative network where the communication between a single source-destination pair is assisted by the transmission of relays. In the considered cooperative model, once a node requires cooperation, it ... -
Cooperative communications: from theory to experimental implementation
Alonso-Zárate, Jesús; Sanchez Recacha, Javier; Zorba, Nizar; Pérez Neira, Ana Isabel; Verikoukis, Christos (2012)
Text en actes de congrés
Accés restringit per política de l'editorialOver the last years, cooperative communications have been studied from both fundamental and practical points of view. However, most of the existing studies of cooperative communications rely on math or computer simulation. ... -
Cooperative dual Leo satellite transmission in multi-user OTFS systems
Caus López, Màrius; Shaat, Musbah; Pérez Neira, Ana Isabel; Schellmann, Malte; Cao, Hanwen (Institute of Electrical and Electronics Engineers (IEEE), 2023)
Text en actes de congrés
Accés obertThis paper explores multi-satellite transmission schemes. The focus is on the multi-user downlink scenario, where two low Earth orbit satellites transmit data cooperatively, which are then combined at each of the ground ... -
Cooperative transmission scheme to address random orientation and blockage events in VLC systems
Genovés Guzmán, Borja; Dowhuszko, Alexis; Gil Jiménez, Víctor P.; Pérez Neira, Ana Isabel (Institute of Electrical and Electronics Engineers (IEEE), 2019)
Text en actes de congrés
Accés obertVisible light communication (VLC) is a promising communication technology that paves the way to the Internet of Things. The forthcoming Industry 4.0 requires reliable high-speed communication links, which can be easily ... -
Cross-coupled doa trackers
Pérez Neira, Ana Isabel; Lagunas Hernandez, Miguel A.; Kirlin, R L (1997-10)
Article
Accés obertA new robust, low complexity algorithm for multiuser tracking is proposed, modifying the two-stage parallel architecture of the estimate-maximize (EM) algorithm. The algorithm copes with spatially colored noise, large ... -
Cross-coupled LMS for quadratic constrained filter design
Lagunas Hernandez, Miguel A.; Pérez Neira, Ana Isabel (Institute of Electrical and Electronics Engineers (IEEE), 1999)
Text en actes de congrés
Accés obertQuadratic constrained maximization appears as the central problem in many filter design methods and signal processing applications, whenever the processing or filtering entails the maximization of a signal to noise ratio. ... -
Cross-Layer radio resource allocation: the journey so far and the road ahead
Corvino, Virginia; Giupponi, Lorenza; Pérez Neira, Ana Isabel; Verdone, Roberto; Tralli, Velio (2009)
Text en actes de congrés
Accés obertThe cross-layer concept originated almost ten years ago with the aim of taking the most advantage from the difficult wireless media to break the barriers imposed by the layered transmission. One of the domains where ... -
D13.1 Fundamental issues on energy- and bandwidth-efficient communications and networking
Zalonis, Andreas; Polydoros, Andreas; Pascual Iserte, Antonio; Gregori, Maria; Rubio López, Javier; Fosson, Sophie; Matamoros, Javier; Antón Haro, Carles; Zambianchi, Vincenzo; Dardari, Davide; Bassi, Francesca; Chaini, Marco; Duhamel, Pierre; Kieffer, Michel; Karasan, Ezhan; Koseoglu, Mehmet; Chen, Lin; Gomez Viladerbó, Jesús; Kliks, Adrian; Kryszkiewicz, Pawel; Bogucka, Hanna; Oliveira, Carla; Mackowiak, Michal; Correia, Luis M.; Louet, Yves; Zhang, Honggang; Caus, Marius; Pérez Neira, Ana Isabel; Sanguinetti, Luca; Boukhatem, Lila; Martin, Steven; Ali Yahiya, Tara; Pérez Romero, Jordi; Koutlia, Katerina; Agustí Comes, Ramon; Dimitriou, Nikos; Stupia, Ivan; Vanderdorpe, Luc; Bacci, Giacomo; Andreotti, Ricardo; Giannetti, Filipo; Lottici, Vincenzo; del Fiorentino, Paolo; Belmega, Veronica; Lasaulce, Samson; Giupponi, Lorenza; Verdone, Roberto; Abrignani, Melchiorre Danilo (2014-03)
Report de recerca
Accés obertThe report presents the current status in the research area of energy- and bandwidth-efficient communications and networking and highlights the fundamental issues still open for further investigation. Furthermore, the ... -
D13.2 Techniques and performance analysis on energy- and bandwidth-efficient communications and networking
Zalonis, Andreas; Polydoros, Andreas; Rubio López, Javier; Pascual Iserte, Antonio; Gregori, Maria; Payaró, Miquel; Abrignani, Melchiorre D.; Giupponi, Lorenza; Cichon, Krzysztof; Louet, Yves; Nafka, Amor; Caus López, Marius; Pérez Neira, Ana Isabel; Mackowiak, Michal; Beko, Marko; Oliveira, Carla; Correia, Luis M.; Moretti, Marco; Pérez Romero, Jordi; Koutlia, Aikaterini; Agustí Comes, Ramon; Kliks, Adrian; Kryszkiewicz, Pawel; Bogucka, Hanna; Boukhatem, Lila; del Fiorentino, Paolo; Andreotti, Ricardo; Giannetti, Filipo; Lottici, Vincenzo; Van Hecke, Jeroen; Moeneclaey, Marc; Koseoglu, Mehmet; Karasan, Ezhan; Chen, Lin; Bacci, Giacomo; Belmega, Veronica; Debbah, Mérouane; Mertikopoulos, Panayotis; Sanguinetti, Luca; Stupia, Ivan; Vandendorpe, Luc; Bassi, Francesca; Kieffer, Michel (2014-10)
Report de recerca
Accés obertThe report presents the status of the research work of the various Joint Research Activities (JRA) in WP1.3 and the results that were developed up to the second year of the project. For each activity there is a description, ... -
D13.3 Overall assessment of selected techniques on energy- and bandwidth-efficient communications
Zalonis, Andreas; Polydoros, Andreas; Dagres, Ioannis; Rubio López, Javier; Gregori, Maria; Pascual Iserte, Antonio; Payaró Llisterri, Miquel; Gomez Viladerbó, Jesús; Kieffer, Michel; Bassi, Francesca; Abrignani, Melchiorre D.; Giupponi, Lorenza; Kliks, Adrian; Kryszkiewicz, Pawel; Bogucka, Hanna; Caus, Marius; Pérez Neira, Ana Isabel; Bader, Carlos; Bodinier, Quentin; del Fiorentino, Paolo; Giannetti, Filipo; Lottici, Vincenzo; Van Hecke, Jeroen; Moeneclaey, Marc; Pérez Romero, Jordi; Koutlia, Katerina; Agustí Comes, Ramon; Abdelkader, Abdelrahman; Koseoglu, Mehmet; Karasan, Ezhan; Chen, Lin (2015-10)
Report de recerca
Accés obertThe report presents the outcome of the Joint Research Activities (JRA) of WP1.3 in the last year of the Newcom# project. The activities focus on the investigation of bandwidth and energy efficient techniques for current ... -
DCT-based air interface design for function computation
Martínez Gost, Marc; Pérez Neira, Ana Isabel; Lagunas Hernandez, Miguel A. (Institute of Electrical and Electronics Engineers (IEEE), 2023-02-02)
Article
Accés obertWith the integration of communication and computing, it is expected that part of the computing is transferred to the transmitter side. In this paper we address the general problem of Frequency Modulation (FM) for function ... -
Decentralised multi-access MAC protocol for ad-hoc networks
Realp, Marc; Pérez Neira, Ana Isabel (2003)
Text en actes de congrés
Accés obertIn ad-hoc radio networks, mechanisms on how to access the radio channel are extremely important in order to improve network efficiency and, when needed, to guarantee QoS. Traditionally, Medium Access Control (MAC) protocols ... -
Deep learning for experimental hybrid terrestrial and satellite interference management
Henarejos, Pol; Vázquez Oliver, Miguel Ángel; Pérez Neira, Ana Isabel (Institute of Electrical and Electronics Engineers (IEEE), 2019)
Text en actes de congrés
Accés restringit per política de l'editorialInterference Management is a vast topic present in many disciplines. The majority of wireless standards suffer the drawback of interference intrusion and the network efficiency drop due to that. Traditionally, interference ... -
Delay bunds for resource allocation in wideband wireless systems
Pérez Neira, Ana Isabel; Realp, Marc; Knopp, Raymond (2006)
Text en actes de congrés
Accés obertIn this paper, the problem of resource allocation in multiuser single-antenna wideband OFDM(A) systems is considered from a cross-layer point of view. The main motivation is to show advantages of such systems with respect ... -
Deploying artificial intelligence in the wireless infrastructure: the challenges ahead
Vázquez Oliver, Miguel Ángel; Pallois, Jean Paul; Debbah, Mérouane; Masouros, Christos; Kenyon, Tony; Deng, Yansha; Mekuria, Fisseha; Pérez Neira, Ana Isabel; Erfanian, Javan (Institute of Electrical and Electronics Engineers (IEEE), 2019)
Text en actes de congrés
Accés restringit per política de l'editorialThe adoption of artificial intelligence (AI) techniques entails a substantial change in the wireless ecosystem where data as well as their owners become crucial. As a result, the roll out of AI techniques in wireless systems ... -
Design of a hybrid ground/space architecture based on individual on-board feed power optimization for the forward link of a multi-beam broadband satellite system
Joroughi, Vahid; Vazquez, Miguel Angel; Devillers, Bertrand; Pérez Neira, Ana Isabel (American Institute of Aeronautics and Astronautics (AIAA), 2013)
Text en actes de congrés
Accés restringit per política de l'editorialThe multi-beam broadband satellite systems have been deployed to provide broadband services to their under-served geo-graphical area. In one hand, with assuming full frequency reuse among beams the resulting interference ... -
Design of an hybrid ground-space architecture based on individual on-board antenna power optimization for the forward link of a multi-beam broadband satellite system
Joroughi, Vahid; Vazquez, Miguel Angel; Devillers, Bertrand; Pérez Neira, Ana Isabel (2013)
Text en actes de congrés
Accés restringit per política de l'editorialThe multi-beam broadband satellite systems have been deployed to provide broadband services to their under-served geo-graphical area. In one hand, with assuming full frequency reuse among beams the resulting interference ... -
Design of an on-board beam generation process for the forward link of a multibeam broadband satellite system
Joroughi, Vahid; Devillers, Bertrand; Vazquez, Miguel Angel; Pérez Neira, Ana Isabel (Institute of Electrical and Electronics Engineers (IEEE), 2013)
Text en actes de congrés
Accés restringit per política de l'editorialThe multi-beam broadband satellite systems have been deployed to provide broadband services to their under-served geo-graphical area. In one hand, with assuming full frequency reuse among beams the resulting interference ... -
Design of pre-coding and combining in hybrid analog-digital massive MIMO with phase noise
Corvaja, Roberto; García Armada, Ana; Vazquez, Miguel Angel; Pérez Neira, Ana Isabel (Institute of Electrical and Electronics Engineers (IEEE), 2017)
Text en actes de congrés
Accés restringit per acord de confidencialitatThe design of massive MIMO, especially at millimeter waves, requires a trade-off between cost and power consumption, balancing the complexity and the performance in terms of achievable rate. A recent trend in the design ... -
Differential feedback in MIMO communications: performance with delay and real channel measurements
Sacristán Murga, Daniel; Kaltenberger, Florian; Pascual Iserte, Antonio; Pérez Neira, Ana Isabel (2009-02)
Text en actes de congrés
Accés obert