• Control of Flexible Smart Devices in the Smart Grid 

      Koutitas, G. (2012)
      This paper investigates load control and demand response in a smart grid environment where a bidirectional communication link between the operator and the smart flexible devices supports command and data flow. Two control ...
    • A delay based optimization scheme for peak load reduction in the smart grid 

      Koutitas, G.; Tassiulas, L. (2012)
      A measurement campaign based on commodity wireless sensors shows that the majority of thermostatic loads in a user premise are described by periodic pulse waves. The superposition of these loads results to high peak power ...
    • Deployment Strategies and Energy Efficiency of Cellular Networks 

      Koutitas, G.; Karousos, A.; Tassiulas, L. (2012)
      The energy efficiency of cellular networks is explored for different network deployment strategies and traffic conditions. The total network power consumption and the ratios Watts/kbps, Watts/user are used as metrics to ...
    • Dynamic resource provisioning for energy efficiency in wireless access networks: A survey and an outlook 

      Budzisz, L.; Ganji, F.; Rizzo, G.; Ajmone Marsan, M.; Meo, M.; Zhang, Y.; Koutitas, G.; Tassiulas, L.; Lambert, S.; Lannoo, B.; Pickavet, M.; Conte, A.; Haratcherev, I.; Wolisz, A. (2014)
      Traditionally, energy efficiency aspects have been included in the wireless access network design space only in the context of power control aimed at interference mitigation and for the increase of the terminal battery ...
    • Dynamic virtual machine allocation in cloud server facility systems with renewable energy sources 

      Hatzopoulos, D.; Koutsopoulos, I.; Koutitas, G.; Van Heddeghem, W. (2013)
      This paper explores the problem of virtual machine (VM) allocation in a network of cloud server facilities which are deployed in different geographical areas. Each cloud server facility is connected to the conventional ...
    • Energy-aware base stations: The effect of planning, management, and femto Layers 

      Koutitas, G.; Chiaraviglio, L.; Ciullo, D.; Meo, M.; Tassiulas, L. (2014)
      We compare the performance of three base station management schemes on three different network topologies. In addition, we explore the effect of offloading traffic to heterogeneous femtocell layer upon energy savings taking ...
    • Energy-efficient planning and management of cellular networks 

      Chiaraviglio, L.; Ciullo, D.; Koutitas, G.; Meo, M.; Tassiulas, L. (2012)
      We study base stations energy-efficient management algorithms in a cellular access network taking into account different planning strategies. To provide energy savings, sleep modes are adopted at the Base Stations (BSs). ...
    • An overview of energy-efficient base station management techniques 

      Zhang, Y.; Budzisz, Ł; Meo, M.; Conte, A.; Haratcherev, I.; Koutitas, G.; Tassiulas, L.; Marsan, M. A.; Lambert, S. (2013)
      Cellular networks have been traditionally dimensioned to fulfill the desired quality of service (QoS) requirements at all times, and consequently their deployment has been planned to meet the expected peak of the user ...
    • Periodic Flexible Demand: Optimization and Phase Management in the Smart Grid 

      Koutitas, G.; Tassiulas, L. (2013)
      Based on measurements obtained by commodity wireless sensors, we observe that the majority of thermostatic loads in a user premise are described by periodic pulse waves. We propose a novel first stage of optimization in ...
    • Smart Grid Technologies for Future Radio and Data Center Networks 

      Koutitas, G.; Tassiulas, L. (2014)
      This article explores smart grid technologies that can be applied to a telecommunication network to achieve energy-efficient networking, autonomous operation, and adaptation to real-time electricity pricing schemes. With ...