Ara es mostren els items 19-38 de 39

    • 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 ...
    • HEH-BMAC: hybrid polling MAC protocol for WBANs operated by human energy harvesting 

      Ibarra, Ernesto; Antonopoulos, Angelos; Kartsakli, Elli; Verikoukis, Christos (2015-02-01)
      Article
      Accés obert
      This paper introduces human energy harvesting medium access control (MAC) protocol (HEH-BMAC), a hybrid polling MAC suitable for wireless body area networks powered by human energy harvesting. The proposed protocol combines ...
    • Implementación de un protocolo MAC multisalto de bajo consumo para redes de sensores inalámbricos 

      Corral Blanch, Víctor (Universitat Politècnica de Catalunya, 2011-02-24)
      Projecte/Treball Final de Carrera
      Accés obert
      Català: Les xarxes de sensors sense fil comencen a convertir-se en quelcom habitual dins les noves tendències d'investigació, degut al gran nombre d'aplicacions que tenen. Aquests dispositius funcionen generalment amb ...
    • Implementación del protocolo DPCF en motas inalámbricas y estudio de su eficiencia energética 

      Balboteo Toledano, Iván (Universitat Politècnica de Catalunya, 2012-05-08)
      Treball Final de Grau
      Accés obert
      La mayoría de dispositivos inalámbricos que operan con el estándar IEEE 802.15.4 implementan el método CSMA/CA no ranurado como protocolo de acceso al medio (MAC). Este protocolo ofrece un buen rendimiento para bajas cargas ...
    • Integración de protocolos de acceso avanzados en redes WLAN IEEE 802.11 

      Crespo Cintas, Cristian (Universitat Politècnica de Catalunya, 2008-07-21)
      Projecte/Treball Final de Carrera
      Accés obert
      Las redes móviles ad hoc (MANETs) son redes inalámbricas distribuidas sin infraestructura formadas por un conjunto de dispositivos inalámbricos móviles. La ausencia de una entidad centralizada encargada de la gestión de ...
    • Interference cancellation and network coding for underwater communication systems 

      Palacios Trujillo, Raúl (Universitat Politècnica de Catalunya, 2010-06-21)
      Projecte Final de Màster Oficial
      Accés obert
    • LAMAN: Load adaptable MAC for ad-hoc networks 

      Pérez Neira, Ana Isabel; Realp, Marc (2005)
      Article
      Accés restringit per política de l'editorial
      In mobile ad hoc radio networks, mechanisms on how to access the radio channel are extremely important in order to improve network efficiency. In this paper, the load adaptable medium access control for ad hoc networks ...
    • Medium Access Protocol for AmBC 

      Puerto Martínez, Miquel (Universitat Politècnica de Catalunya, 2023-07-12)
      Projecte Final de Màster Oficial
      Accés obert
      This thesis will study different medium access techniques for Ambient Backscatter Communications (AmBC), which takes profit of the ambient RF signals in the environment to enable wireless devices communicate and harvest ...
    • Multicast performance bounds exploiting cooperative physical layer network coding 

      Miliotis, Vasileios; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In this paper we exploit the characteristics of Physical layer Network Coding (PNC) in multicast short range networks. We present a scalable scenario of partially overlapping short range networks, where collisions are ...
    • Multiuser MAC schemes for high-throughput IEEE 802.11n/ac WLANs 

      Kartsakli, Elli; Zorba, Nizar; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (InTech, 2013-12)
      Capítol de llibre
      Accés obert
      In the last decade, the Wireless Local Area Network (WLAN) market has been experiencing an impressive growth that began with the broad acceptance of the IEEE 802.11 standard [1]. Given the widespread deployment of WLANs ...
    • NCMOB-MAC: a network coding-based MAC protocol with mobility support 

      Torres, Pol; Antonopoulos, Angelos; Alonso Zárate, Luis Gonzaga; Schulte, Gerrit (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In this paper, a novel Network Coding (NC)-aided Medium Access Control (MAC) protocol with mobility support (NCMOB-MAC) is presented. The proposed protocol is compatible with Automatic Repeat reQuest (ARQ) techniques ...
    • On Avoiding-Minimizing Burst Collisions in Optical Burst-Switched Networks without Wavelength Conversion 

      Triay Marquès, Joan; Perelló Muntan, Jordi; Cervelló Pastor, Cristina; Spadaro, Salvatore (IEEE, 2009-06-28)
      Comunicació de congrés
      Accés obert
      In this paper, a new MAC protocol for OBS networks is introduced, described and evaluated. Into operation, DAOBS avoids burst collisions in the core of the network by controlling the way OBS nodes access the optical channel. ...
    • Performance evaluation of a medium access control protocol for a distributed ARQ scheme in cooperative wireless networks 

      Alonso Zárate, Jesús; Giotis, P; Kartsakli, Elli; Verikoukis, Christos; Alonso Zárate, Luis Gonzaga (Institute of Electrical and Electronics Engineers (IEEE), 2008-06-30)
      Comunicació de congrés
      Accés obert
      A performance evaluation of a medium access control protocol for a distributed ARQ scheme in cooperative wireless networks is presented in this paper. The protocol under evaluation is the Persistent Relay Carrier Sensing ...
    • Performance of wireless LAN access methods in multicell environments 

      López Aguilera, M. Elena; Heusse, Martin; Rousseau, Franck; Duda, Andrzej; Casademont Serra, Jordi (Institute of Electrical and Electronics Engineers, 2006-11)
      Text en actes de congrés
      Accés obert
      In this paper, we address the issue of evaluating performance of wireless LANs in multicell scenarios. We try to understand the complex behavior of the DCF (Distributed Coordination Function) access method defined in the ...
    • QoS guarantee for wireless LAN with heterogeneous traffic 

      Alonso Zárate, Luis Gonzaga; Kartsakli, Elli; Alonso Zárate, Jesús; Verikoukis, Christos (2009)
      Text en actes de congrés
      Accés obert
      Distributed Queuing Collision Avoidance (DQCA) is an efficient MAC protocol designed for infrastructure Wireless LANs. In this paper, four algorithms are proposed that alter the FIFO scheduling order of DQCA in order to ...
    • Seguridad para protocolos MAC cooperativos en redes de sensores inalámbricas 

      Casabona Gómez, Daniel; Leiva Martín, Daniel (Universitat Politècnica de Catalunya, 2009-07-09)
      Projecte/Treball Final de Carrera
      Accés obert
    • Sobre la justicia en las redes IEEE 802.11e: desincronización de su mecanismo de acceso al medio 

      López Aguilera, M. Elena; Casademont Serra, Jordi; Cotrina Navau, Josep (Institute of Electrical and Electronics Engineers, 2007-10)
      Article
      Accés obert
      Since the advent of the first IEEE 802.11 standard, several papers have proposed means of providing QoS to IEEE 802.11 networks and evaluate various traffic-prioritization mechanisms. Nevertheless, studies on the assignment ...
    • Study of asymmetric traffic influence on IEEE 802.11 WLAN family, enhancement proposals 

      López Aguilera, M. Elena; Casademont Serra, Jordi; Cotrina Navau, Josep (Institute of Electrical and Electronics Engineers, 2004-04)
      Text en actes de congrés
      Accés obert
      This paper is focused on the study of WLAN performance in IEEE 802.11 networks that are in a situation of asymmetric traffic, where the access point (AP) transmits much more than the user stations (US). This situation is ...
    • Wake-up radio as an energy-efficient alternative to conventional wireless sensor networks MAC protocols 

      Oller Bosch, Joaquim; Demirkol, Ilker Seyfettin; Casademont Serra, Jordi; Paradells Aspas, Josep; Gamm, Gerd Ulrich; Reindl, Leonhard (Association for Computing Machinery (ACM), 2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The use of duty-cycling in Medium Access Control (MAC) protocols effectively helps improving the energy efficiency of wireless networks. However, while the benefits of these protocols are unquestionable, most of them still ...
    • Wireless Sensor Networks on-board aircrafts: design and implementation of medium access control protocol 

      Sánchez-Camacho Yebra, Cristian (Universitat Politècnica de Catalunya, 2013-12-16)
      Projecte Final de Màster Oficial
      Accés obert
      [ANGLÈS] The Wireless Sensor Networks (WSN) is an upcoming technology with a huge potential. It has the ability of monitor an environment and provide the data collected to a central entity in a wireless way. The Sensor ...