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Ara es mostren els items 107-126 de 201

    • Fairness enhancement in a self-configuring cluster-based wireless ad hoc network 

      Alonso Zárate, Jesús; Verikoukis, Christos; Alonso Zárate, Luis Gonzaga (Institute of Electrical and Electronics Engineers (IEEE), 2005)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      In this paper we analyze an unfairness problem arisen when implementing the self-configuring clusterbased DQCA AD HOC MAC protocol in a near-static topology. When there is a low relative mobility among terminals and ...

    • Fairness in multi-operator energy sharing 

      Oikonomakou, Maria; Antonopoulos, Angelos; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The present paper studies fair sharing possibilities of stored renewable energy (RE) in densely populated areas among multiple mobile network operators (MNOs). The main objective is to enable MNOs, who already share their ...

    • Feasibility condition for the uplink of a CDMA multiservice mobile communication system with repeaters 

      Alonso Zárate, Luis Gonzaga; García Lozano, Mario; Casadevall Palacio, Fernando José (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2005-05)
      Article
      Accés obert
      This paper derives a general analytical expression of the feasibility condition for the uplink of a CDMA mobile communications system in a general scenario where the users in the system belong to an arbitrary number of ...

    • Final primavera 2018 

      Alonso Zárate, Luis Gonzaga (Universitat Politècnica de Catalunya, 2018-06-01)
      Examen
      Accés restringit a la comunitat UPC

    • Final tardor 2018 

      Alonso Zárate, Luis Gonzaga (Universitat Politècnica de Catalunya, 2019-01-15)
      Examen
      Accés restringit a la comunitat UPC

    • Flexible aerial relay nodes for communication recovery and D2D relaying 

      Mekikis, Prodromos Vasileios; Kartsakli, Elli; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Current mobile communication infrastructure may fail in cases where low coverage areas suddenly become overcrowded by mobile devices or in natural disasters. In this paper, we propose the use of flexible aerial relay (FAR) ...

    • Fuzzy-logic scheduling for highly reliable and energy-efficient medical body sensor networks 

      Otal Ruiz, Begoña; Verikoukis, Christos; Alonso Zárate, Luis Gonzaga (2009)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Wireless body sensor networks in medical settings operate under the conflicting requirements of maintaining the desired reliability and message latency of data transmissions, while simultaneously maximizing battery-life ...

    • Game theoretic approach for switching off base stations in multi-operator environments 

      Bousia, Alexandra; Kartsakli, Elli; Antonopoulos, Angelos; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The emerging increase of the number of Base Stations causes redundant energy consumption, especially during low traffic periods, when the Base Stations capacity is underutilized. In this paper, we study energy efficiency ...

    • Game theoretic infrastructure sharing in wireless cellular network 

      Bousia, Alexandra; Kartsakli, Elli; Antonopoulos, Angelos; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (IGI Global, 2015-08)
      Capítol de llibre
      Accés restringit per política de l'editorial
      The emerging traffic demand has fueled the rapid densification of cellular networks. The increased number of Base Stations (BSs) leads to augmented energy consumption and expenditures for the Mobile Network Operators ...

    • Game-theoretic infrastructure sharing in multioperator cellular networks 

      Bousia, Alexandra; Kartsakli, Elli; Antonopoulos, Angelos; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (2016-05)
      Article
      Accés obert
      The introduction of fourth-generation wireless technologies has fueled the rapid development of cellular networks, significantly increasing the energy consumption and the expenditures of mobile network operators (MNOs). ...

    • Gestión distribuida con calidad de servicio garantizada para sistemas de transmisión por paquetes en entornos CDMA 

      Alonso Zárate, Luis Gonzaga; Agustí Comes, Ramon; Sallent Roig, Oriol (ETSETB UPC, 2000-11-30)
      Comunicació de congrés
      Accés obert
      En esta comunicación se presenta una estrategia de gestión distribuida para poder garantizar una cierta calidad de servicio en conexiones cuya transmisión se realiza en modo paquete. El entorno de trabajo son los sistemas ...

    • Goodbye, ALOHA! 

      Laya, Andrés; Kalalas, Charalampos; Vázquez Gallego, Francisco; Alonso Zárate, Luis Gonzaga; Alonso Zárate, Jesús (Institute of Electrical and Electronics Engineers (IEEE), 2016-04-21)
      Article
      Accés obert
      The vision of the Internet of Things (IoT) to interconnect and Internet-connect everyday people, objects, and machines poses new challenges in the design of wireless communication networks. The design of medium access ...

    • "Green" distance-aware base station sleeping algorithm in LTE-advanced 

      Bousia, Alexandra; Antonopoulos, Angelos; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In this paper, we propose a switch on/off algorithm for Base Stations (BSs), which exploits the knowledge of the distance between the User Equipments (UEs) and their associated BS. Our novel approach hopes to provide ...

    • GREENET – An early stage training network in enabling technologies for green radio 

      Alonso Zárate, Luis Gonzaga; Di Renzo, Marco; Fitzek, Frank H.P.; Granelli, Fabrizio; Pérez Neira, Ana Isabel (Institute of Electrical and Electronics Engineers (IEEE), 2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In this paper, we describe GREENET (an early stage training network in enabling technologies for green radio), which is a new project recently funded by the European Commission under the auspices of the 2010 Marie Curie ...

    • Handoff functions for a distributed queuing collision avoidance medium access control protocol for wireless LANs 

      Alonso Zárate, Luis Gonzaga; Alonso Zárate, Jesús; Kartsakli, Elli; Antonopoulos, Angelos; Verikoukis, Christos (2009)
      Comunicació de congrés
      Accés obert

    • Herramienta para el desarrollo de algoritmos de gestión de recursos radio en sistemas LMDS 

      Alonso Zárate, Luis Gonzaga; Pérez Romero, Jordi; Sallent Roig, Oriol; Poza, M (Universidad Carlos III de Madrid, 2003)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      El sistema Local Multipoint Distribution System (LMDS) es una de las tecnologías emergentes de acceso inalámbrico de banda ancha a la Internet. Existen algunas líneas de investigación abiertas en la actualidad que están ...

    • Hybrid access techniques for densely populated wireless local area networks 

      Alonso-Zarate, J.; Crespo, Cristian; Verikoukis, Christos; Alonso Zárate, Luis Gonzaga (INTECH, 2011-03)
      Capítol de llibre
      Accés obert

    • Impact of correlated log-normal shadowing on two-way network coded cooperative wireless networks 

      Lalos, Aristeidis; Di Renzo, Marco; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (2013-09)
      Article
      Accés restringit per política de l'editorial
      In this letter, we provide a novel theoretical framework for studying the effects of correlated shadowing, in the number of relays that are capable of helping two nodes (sources) to exchange their messages. The relays use ...

    • Improving the energy-efficiency of machine-to-machine communications with cooperative ARQ 

      Alonso Zárate, Jesús; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (2009)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The energy-efficiency of Machine-to-Machine (M2M) communications can be improved by applying cooperation at the medium access control (MAC) layer. This means that machines can help each other to establish an energy-efficient ...

    • Information exchange in randomly deployed dense WSNs with wireless energy harvesting capabilities 

      Mekikis, Prodromos Vasileios; Antonopoulos, Angelos; Kartsakli, Elli; Lalos, Aristeidis; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (2016-04-01)
      Article
      Accés obert
      As large-scale dense and often randomly deployed wireless sensor networks (WSNs) become widespread, local information exchange between colocated sets of nodes may play a significant role in handling the excessive traffic ...