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Listar por autor "López Pérez, David"

RiuNet: Repositorio Institucional de la Universidad Politécnica de Valencia

Listar por autor "López Pérez, David"

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    Access Control Mechanisms for Femtocells 
    de la Roche, Guillame; Valcarce, Alvaro; López-Pérez, David; Zhang, Jie (Institute of Electrical and Electronics Engineers, 2010-01)
    [EN] Femtocells are a solution that helps to reduce the capital and operational expenditure of a mobile network while enhancing system coverage and capacity. However, the avoidance of interference is still an issue that ...
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    Analysis on Energy Efficiency of Large Scale Intelligent Reflecting Surface-Enabled Networks 
    Chen, Youjia; Zhang, Baoxian; Hu, Jinsong; López-Pérez, David; Ding, Ming (Institute of Electrical and Electronics Engineers, 2023-10)
    [EN] Intelligent reflecting surfaces (IRSs) have been proposed in recent years as a promising technology to enhance signal quality at high frequencies and save energy. In this letter, a Poisson bipolar network model with ...
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    Enhanced Inter-cell Interference Coordination Challenges in Heterogeneous Networks 
    López-Pérez, David; Güvenç, Ismail; de la Roche, Guillame; Kountouris, Marios; Quek, Tony Q. S.; Zhang, Jie (Institute of Electrical and Electronics Engineers, 2011-06)
    [EN] 3GPP LTE-Advanced has recently been investigating heterogeneous network (HetNet) deployments as a cost effective way to deal with the unrelenting traffic demand. HetNets consist of a mix of macrocells, remote radio ...
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    Federated learning: A cutting-edge survey of the latest advancements and applications 
    Akhtarshenas, Azim; Vahedifar, Mohammad Ali; Ayoobi, Navid; Maham, Behrouz; Alizadeh, Tohid; Ebrahimi, Sina; López-Pérez, David (Elsevier, 2024-12-01)
    [EN] Robust machine learning (ML) models can be developed by leveraging large volumes of data and distributing the computational tasks across numerous devices or servers. Federated learning (FL) is a technique in the realm ...
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    Integrating Terrestrial and Non-Terrestrial Networks: 3D Opportunities and Challenges 
    Geraci, Giovanni; López-Pérez, David; Benzaghta, Mohamed; Chatzinotas, Symeon (Institute of Electrical and Electronics Engineers, 2023-04)
    [EN] Integrating terrestrial and non-terrestrial networks has the potential of connecting the unconnected and enhancing the user experience for the already-connected, with technological and societal implications of the ...
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    Massive MIMO for Aerial Highways: Enhancing Cell Selection via SSB Beams Optimization 
    Bernabè, Matteo; López-Pérez, David; Piovesan, Nicola; Geraci, Giovanni; Gesbert, David (IEEE Communications Society, 2024)
    [EN] In this article, we introduce a novel approach for enhancing cellular connectivity for unmanned aerial vehicles (UAVs) on aerial highways via terrestrial 5G networks. Owing to their ability to navigate 3D space, UAVs ...
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    OFDMA Femtocells: A Roadmap on Interference Avoidance 
    López-Pérez, David; Valcarce, Alvaro; de la Roche, Guillame; Zhang, Jie (Institute of Electrical and Electronics Engineers, 2009-09)
    [EN] OFDMA femtocells have been pointed Out by the industry as a good solution not only to overcome the indoor coverage problem but also to deal with the growth of traffic within macrocells. However, the deployment of a ...
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    Posicionamiento de estaciones base en tiempo real basado en aprendizaje de refuerzo profundo para futuras redes 6G. 
    Rico Ibáñez, Mario (Universitat Politècnica de València, 2024-09-26)
    [ES] Las comunicaciones móviles son esenciales en la sociedad actual, definiendo cómo nos comunicamos y relacionamos, e influyendo en cómo vivimos. La optimización de este bien tan valioso es esencial para proporcionar la ...
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    Power Minimization Based Resource Allocation for Interference Mitigation in OFDMA Femtocell Networks 
    López-Pérez, David; Chu, Xiaoli; Vasilakos, Athanasios V.; Claussen, Holger (Institute of Electrical and Electronics Engineers, 2014-02)
    [EN] With the introduction of femtocells, cellular networks are moving from the conventional centralized network architecture to a distributed one, where each network cell should make its own radio resource allocation ...
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    Rate, Power, and Energy Efficiency Trade-Offs in Massive MIMO Systems With Carrier Aggregation 
    Zappone, Alessio; López-Pérez, David; De Domenico, Antonio; Piovesan, Nicola; Bao, Harvey (Institute of Electrical and Electronics Engineers, 2023-09)
    [EN] This work considers a multi-cell, multi-carrier massive MIMO network with carrier aggregation capabilities, and tackles both the rate versus power consumption and the rate versus energy efficiency (EE) trade-offs, by ...