Exploració per tema "MAC"
Ara es mostren els items 19-38 de 39
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Fairness enhancement in a self-configuring cluster-based wireless ad hoc network
(Institute of Electrical and Electronics Engineers (IEEE), 2005)
Comunicació de congrés
Accés restringit per política de l'editorialIn 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
(2015-02-01)
Article
Accés obertThis 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
(Universitat Politècnica de Catalunya, 2011-02-24)
Projecte/Treball Final de Carrera
Accés obertCatalà: 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
(Universitat Politècnica de Catalunya, 2012-05-08)
Treball Final de Grau
Accés obertLa 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
(Universitat Politècnica de Catalunya, 2008-07-21)
Projecte/Treball Final de Carrera
Accés obertLas 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
(Universitat Politècnica de Catalunya, 2010-06-21)
Projecte Final de Màster Oficial
Accés obert -
LAMAN: Load adaptable MAC for ad-hoc networks
(2005)
Article
Accés restringit per política de l'editorialIn 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
(Universitat Politècnica de Catalunya, 2023-07-12)
Projecte Final de Màster Oficial
Accés obertThis 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
(2012)
Text en actes de congrés
Accés restringit per política de l'editorialIn 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
(InTech, 2013-12)
Capítol de llibre
Accés obertIn 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
(Institute of Electrical and Electronics Engineers (IEEE), 2014)
Text en actes de congrés
Accés restringit per política de l'editorialIn 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
(IEEE, 2009-06-28)
Comunicació de congrés
Accés obertIn 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
(Institute of Electrical and Electronics Engineers (IEEE), 2008-06-30)
Comunicació de congrés
Accés obertA 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
(Institute of Electrical and Electronics Engineers, 2006-11)
Text en actes de congrés
Accés obertIn 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
(2009)
Text en actes de congrés
Accés obertDistributed 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
(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
(Institute of Electrical and Electronics Engineers, 2007-10)
Article
Accés obertSince 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
(Institute of Electrical and Electronics Engineers, 2004-04)
Text en actes de congrés
Accés obertThis 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
(Association for Computing Machinery (ACM), 2013)
Text en actes de congrés
Accés restringit per política de l'editorialThe 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
(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 ...