Now showing items 1-20 of 40

    • 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
      Restricted access - publisher's policy
      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)
      Conference report
      Restricted access - publisher's policy
      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 cell switch-off framework for cellular networks 

      González González, David; Hämäläinen, Jyri; Yanikomeroglu, Halim; García Lozano, Mario; Senarath, Gamini (Institute of Electrical and Electronics Engineers (IEEE), 2016-10-25)
      Article
      Open Access
      Cell switch-off (CSO) is recognized as a promising approach to reduce the energy consumption in the next-generation cellular networks. However, CSO poses serious challenges not only from the resource allocation perspective ...
    • A novel multiobjective framework for cell switch-off in dense cellular networks 

      González González, David; Yanikomeroglu, Halim; García Lozano, Mario; Ruiz Boqué, Sílvia (2014)
      Conference report
      Restricted access - publisher's policy
      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 ...
    • 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)
      Conference report
      Restricted access - publisher's policy
      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 ...
    • 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)
      Conference report
      Restricted access - publisher's policy
      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)
      Conference report
      Restricted access - publisher's policy
      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)
      Conference report
      Open Access
    • 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)
      Conference report
      Open Access
    • Construcció sostenible i manteniment 

      González González, David (Universitat Politècnica de Catalunya, 2011-10)
      Bachelor thesis
      Open Access
      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)
      Doctoral thesis
      Open Access
      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)
      Conference report
      Restricted access - publisher's policy
      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)
      Conference lecture
      Open Access
    • 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)
      Conference report
      Open Access
    • Green and effi cient RAN architectures 

      García Lozano, Mario; González González, David; Lema Rosas, María Ángel; Papaj, Ján (River Publishers, 2016-06-01)
      Part of book or chapter of book
      Open Access
      The demand for mobile connectivity is continuously increasing, and by 2020 Mobile and Wireless Communications will serve not only very dense populations of mobile phones and nomadic computers, but also the expected ...
    • 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)
      Conference report
      Restricted access - publisher's policy
      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)
      Conference report
      Restricted access - publisher's policy
      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)
      Conference report
      Restricted access - publisher's policy
      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)
      Conference report
      Restricted access - publisher's policy
      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 (2017-04)
      Article
      Restricted access - publisher's policy
      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 ...