Ara es mostren els items 1-20 de 35

  • A metaheuristic-based downlink power allocation for LTE/LTE-A cellular deployments 

    González González, David; García Lozano, Mario; Ruiz Boqué, Sílvia; Lee, Dong Seop (2014-08)
    Article
    Accés restringit per política de l'editorial
    The explosive growth of cellular networks makes their deployment and maintenance more and more complex, time consuming, and expensive. Self-Organizing Networks have been recognized as a promising way to alleviate this ...
  • A novel ICIC-oriented channel state information feedback scheme for aperiodic reporting in LTE 

    González González, David; García Lozano, Mario; Ruiz Boqué, Sílvia; Olmos Bonafé, Juan José (2012)
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    In moderm OFDMA-based cellular networks, intercell interference is the main issue limiting the capacity of these systems. Recently, intensive research work has been focused on intercell interference coordination as it ...
  • A novel multiobjective framework for cell switch-off in dense cellular networks 

    González González, David; Yanikomeroglu, Halim; García Lozano, Mario; Ruiz Boqué, Sílvia (Institute of Electrical and Electronics Engineers (IEEE), 2014)
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    The green communications paradigm has been receiving much attention in wireless networks in recent years. More specifically, in the context of cellular communications, the concept of Cell Switch Off (CSO) has been recognized ...
  • A novel multiobjective framework for cell switch-off in dense cellular networks 

    González González, David; Yanikomeroglu, Halim; García Lozano, Mario; Ruiz Boqué, Sílvia (2014)
    Text en actes de congrés
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    The green communications paradigm has been receiving much attention in wireless networks in recent years. More specifically, in the context of cellular communications, the concept of Cell Switch Off (CSO) has been ...
  • Adapting fractional frequency reuse to realistic OFDMA cellular networks 

    González González, David; García Lozano, Mario; Ruiz Boqué, Sílvia; Lema, Maria A.; Lee, Dong Seop (2013)
    Text en actes de congrés
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    Effective intercell interference (ICI) mitigation has been identified as a key challenge for emerging OFDMA cellular technologies such as Long Term Evolution (LTE). In order to address this issue, mobile operators have ...
  • An analytical view of static intercell interference coordination techniques in OFDMA networks 

    González González, David; García Lozano, Mario; Ruiz Boqué, Sílvia; Olmos Bonafé, Juan José (IEEE, 2012)
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    This paper presents a novel methodology to assess the downlink performance of static intercell interference coordination techniques in the context of OFDMA-based cellular networks. In the last few years, interference ...
  • Comparison of 3G-LTE DL scheduling strategies 

    Ruiz Boqué, Sílvia; Haro, Eva; González González, David; García Lozano, Mario; Olmos Bonafé, Juan José (2009-05-18)
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  • Comparison of different distributed scheduling strategies for static/dynamic LTE scenarios 

    Ruiz Boqué, Sílvia; Haro, Eva; González González, David; García Lozano, Mario; Olmos Bonafé, Juan José (2009-09-30)
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  • Construcció sostenible i manteniment 

    González González, David (Universitat Politècnica de Catalunya, 2011-10)
    Treball Final de Grau
    Accés obert
    El clima sempre ha patit variacions, però actualment la variació és accelerada i la comunitat científica ha demostrat que és provocada, principalment, per l'activitat humana. Totes les activitats que impliquen l'emissió ...
  • Design of static intercell interference coordination schemes for realistic lte-based cellular networks 

    González González, David (Universitat Politècnica de Catalunya, 2014-01-29)
    Tesi
    Accés obert
    Today, 3.5 and 4G systems including Long Term Evolution (LTE) and LTE-Advanced (LTE-A) support packet-based services and provide mobile broadband access for bandwidth-hungry applications. In this context of fast evolution, ...
  • Downlink resource allocation in LTE: centralized vs. distributed approach 

    González González, David; Corvino, Virginia; Ruiz Boqué, Sílvia; Olmos Bonafé, Juan José; García Lozano, Mario; Verdone, Roberto (2009-09-30)
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    The 3GPP specifications for LTE leave many degrees of freedom to operators about how to design radio Resource Allocation (RA) strategies, and this is actually also allowed by the OFDM/OFDMA access technology. This means ...
  • Exponential effective SIR link performance model for LTE downlink 

    Olmos Bonafé, Juan José; Serra, Albert; Ruiz Boqué, Sílvia; García Lozano, Mario; González González, David (2009-05-18)
    Comunicació de congrés
    Accés obert
  • Exponential effective SIR metric for LTE downlink 

    Olmos Bonafé, Juan José; Serra, Albert; Ruiz Boqué, Sílvia; García Lozano, Mario; González González, David (IEEE Press. Institute of Electrical and Electronics Engineers, 2009-09-16)
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  • Impact of downlink signaling capacity constraints on the provision of QoS in LTE 

    González González, David; García Lozano, Mario; Ruiz Boqué, Sílvia; Olmos Bonafé, Juan José (2011)
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    Choosing appropriate scheduling policies is of utmost importance to deliver acceptable levels of Quality of Service (QoS) to users of LTE networks. This decision is not only conditioned by the type of services expected ...
  • Improved component carrier selection considering MPR information for LTE-A uplink systems 

    Lema Rosas, María Ángel; García Lozano, Mario; Ruiz Boqué, Sílvia; González González, David (IEEEXPLORE, 2013)
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    Carrier Aggregation (CA) is one of the key features introduced in LTE Release 10 to achieve higher levels of throughput. Two or more component carriers (CCs) are aggregated and user equipments (UEs) simultaneously transmit ...
  • Improving channel state information feedback for static Intercell interference coordination in LTE 

    González González, David; García Lozano, Mario; Ruiz Boqué, Sílvia; Olmos Bonafé, Juan José (2012)
    Text en actes de congrés
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    Intercell Interference is the main issue limiting the capacity of modern OFDMA-based cellular networks. Recently, extensive research work has been focused on intercell interference coordination since it has been recognized ...
  • Improving soft frequency reuse for realistic OFDMA-based cellular deployments 

    González González, David; García Lozano, Mario; Ruiz Boqué, Sílvia; Lee, DongSeop (Institute of Electrical and Electronics Engineers (IEEE), 2012)
    Text en actes de congrés
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    Effective interference management is a technical challenge of utmost importance for emerging OFDMA-based technologies such as Long Term Evolution (LTE) and Worldwide Interoperability for Microwave Access (WiMAX). Static ...
  • Intercell interference coordination for control channels in LTE and LTE-A: an optimization scheme based on evolutionary algorithms 

    González González, David; García Lozano, Mario; Ruiz Boqué, Sílvia (2014-12-18)
    Article
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    Intercell Interference Coordination (ICIC) encompasses techniques aiming at reducing the intercell interference at cell edges, an issue affecting not only data but also control channels in Long Term Evolution (LTE) and ...
  • Intercell interference coordination for the ePDCCH in LTE-advanced macrocellular deployments 

    González González, David; García Lozano, Mario; Ruiz Boqué, Sílvia (2013)
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    Abstract—This paper investigates several schemes to improve the performance of the enhanced Physical Downlink Control Channel (ePDCCH) in Long Term Evolution Advanced (LTEA) networks by means of Intercell Interference ...
  • Introduction of MPR information for enhanced multi-cluster scheduling in LTE-A uplink 

    Lema Rosas, María Ángel; García Lozano, Mario; Ruiz Boqué, Sílvia; González González, David (2013)
    Text en actes de congrés
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    Against previous Long Term Evolution (LTE) re-leases, LTE-Advanced (LTE-A) allows the use of non-contiguous resource allocation in the uplink (UL). This feature leads to an increase in spectral efficiency thanks to link ...