Exploració per autor "Alonso Zárate, Jesús"

Ara es mostren els items 7-26 de 47

    • Coexistence of a novel medium access control protocol for wireless ad hoc networks and the IEEE 802.11 

      Alonso Zárate, Jesús; Verikoukis, Christos; Kartsakli, Elli; Alonso Zárate, Luis Gonzaga (2010)
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    • Combining distributed queuing with energy harvesting to enable perpetual distributed data collection applications 

      Vázquez-Gallego, Francisco; Tuset-Peiro, Pere; Alonso Zárate, Luis Gonzaga; Alonso Zárate, Jesús (Wiley-Blackwell, 2017-05-12)
      Article
      Accés obert
      This paper presents, models, and evaluates energy harvesting–aware distributed queuing (EH-DQ), a novel medium access control protocol that combines distributed queuing with energy harvesting (EH) to address data collection ...

    • Contention tree-based access for wireless machine-to-machine networks with energy harvesting 

      Vázquez Gallego, Francisco; Kalalas, Charalampos; Alonso Zárate, Luis Gonzaga; Alonso Zárate, Jesús (Institute of Electrical and Electronics Engineers (IEEE), 2017-06)
      Article
      Accés obert
      In this paper, we consider a wireless machine-to-machine network composed of end-devices with energy harvesters that periodically transmit data to a gateway. While energy harvesting allows for perpetual operation, the ...

    • Cooperation on demand protocols for wireless networks 

      Jesus, Gomez; Alonso Zárate, Jesús; Verikoukis, Christos; Pérez Neira, Ana Isabel; Alonso Zárate, Luis Gonzaga (Institute of Electrical and Electronics Engineers (IEEE), 2007-05-31)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      We consider a cooperative network where the communication between a single source-destination pair is assisted by the transmission of relays. In the considered cooperative model, once a node requires cooperation, it ...

    • Cooperative ARQ: a medium access control (MAC) layer perspective 

      Alonso Zárate, Jesús; Kartsakli, Elli; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (INTECH, 2010)
      Capítol de llibre
      Accés obert

    • Cross layer access point selection mechanisms for a distributed queuing MAC protocol 

      Antonopoulos, Angelos; Alonso Zárate, Jesús; Kartsakli, Elli; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (2013-07)
      Article
      Accés restringit per política de l'editorial
      The Distributed Queuing with Collision Avoidance (DQCA) Medium Access Control (MAC) protocol has been presented in the literature as a high-performance protocol for WLANs. Previous work regarding DQCA is focused on the ...

    • Cross-layer enhancement for WLAN systems based on a distributed queuing MAC protocol 

      Verikoukis, Christos; Alonso Zárate, Jesús; Kartsakli, Elli; Cateura, A; Alonso Zárate, Luis Gonzaga (Institute of Electrical and Electronics Engineers (IEEE), 2006-05-31)
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      Cross-Layer optimization is an emerging research topic. This paper proposes two novel cross-layer mechanisms to be included in a WLAN system where a near-optimum distributed MAC protocol is used. Their performance in terms ...

    • Cross-layer enhancement for WLAN systems with heterogeneous traffic based on DQCA 

      Kartsakli, Elli; Cateura, A; Alonso Zárate, Jesús; Verikoukis, Christos; Alonso Zárate, Luis Gonzaga (Institute of Electrical and Electronics Engineers (IEEE), 2007-06-30)
      Comunicació de congrés
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      Voice transmission over WLAN and cross-layer optimization are emerging research topics. This paper proposes two novel cross-layer mechanisms for a WLAN system where the offered traffic is of mixed nature (voice and data) ...

    • Delay and energy consumption analysis of frame slotted ALOHA variants for massive data collection in internet-of-things scenarios 

      Vázquez Gallego, Francisco; Tuset Peiro, Pere; Alonso Zárate, Luis Gonzaga; Alonso Zárate, Jesús (Multidisciplinary Digital Publishing Institute, 2020-01-01)
      Article
      Accés obert
      This paper models and evaluates three FSA-based (Frame Slotted ALOHA) MAC (Medium Access Control) protocols, namely, FSA-ACK (FSA with ACKnowledgements), FSA-FBP (FSA with FeedBack Packets) and DFSA (Dynamic FSA). The ...

    • Design and analysis of medium access control protocols for ad hoc and cooperative wireless networks 

      Alonso Zárate, Jesús (Universitat Politècnica de Catalunya, 2009-02-25)
      Tesi
      Accés obert
      La presente tesis doctoral contribuye a la incesante evolución de las comunicaciones inalámbricas. Se centra en el diseño de protocolos de acceso al medio (MAC) para redes ad hoc y redes inalámbricas cooperativas. En una ...

    • Device-to-device communications and small cells: enabling spectrum reuse for dense networks 

      Laya, Andrés; Wang, Kun; Ahmed, Ashraf Awadelkarim Widaa; Alonso Zárate, Jesús; Markendhal, Jan; Alonso Zárate, Luis Gonzaga (2014-08)
      Article
      Accés restringit per política de l'editorial
      In the evolution of communication networks, there has always been a need to increase the capacity to cope with the continuous growing demand for data transmission. However, with the arrival of the Internet-of-Things and ...

    • Distributed point coordination function for wireless ad hoc networks 

      Crespo, Cristian; Alonso Zárate, Jesús; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (2008)
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      In this paper we describe a new MAC protocol for ad hoc networks called distributed point coordination function (DPCF). It constitutes an extension of the PCF of the IEEE 802.11 standard to operate over infrastructureless ...

    • DPCF-M: A medium access control protocol for dense machine-to-machine area networks with dynamic gateways 

      Vázquez Gallego, Francisco; Alonso Zárate, Jesús; Balboteo, Iván; Alonso Zárate, Luis Gonzaga (2013)
      Text en actes de congrés
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      Machine-to-Machine (M2M) area networks must provide connectivity between either an M2M application server or an M2M gateway and a large number of M2M devices. In this paper, we consider a densely populated M2M area network. ...

    • Dynamic self-configurable master-slave architecture for AD HOC wireless networks with a distributed MAC scheme 

      Alonso Zárate, Jesús; Alonso Zárate, Luis Gonzaga (Institute of Electrical and Electronics Engineers (IEEE), 2004)
      Comunicació de congrés
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      This paper proposes a distributed self-configurable architecture designed for wireless mobile ad hoc networks (MANET). In this kind of network, nodes move around varying constantly the topology of the network, so it is ...

    • Energy analysis of distributed neighbour discovery algorithms based on frame slotted-ALOHA for cooperative networks 

      Vázquez Gallego, Francisco; Alonso Zárate, Jesús; Alonso Zárate, Luis Gonzaga (2012)
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      The design of communications protocols that exploit the availability of both cellular and short-range radio access interfaces in a same terminal can be exploited to improve the energy efficiency of wireless communications ...

    • Energy and delay analysis of contention resolution mechanisms for machine-to-machine networks based on low-power WiFi 

      Vázquez Gallego, Francisco; Alonso Zárate, Jesús; Alonso Zárate, Luis Gonzaga (2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Attaining very high energy efficiency is one of the big challenges to implement Machine-to-Machine (M2M) networks whose lifetime (without human intervention) must be measured in years. In this paper, we consider a synchronized ...

    • Energy efficiency analysis of a cooperative scheme for wireless local area networks 

      Predojev, Tatjana; Alonso Zárate, Jesús; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (2012)
      Text en actes de congrés
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      The Persistent Relay Carrier Sensing Multiple Access (PRCSMA) Protocol has been proposed in the literature as a Medium Access Control (MAC) protocol suitable for Cooperative Automatic Retransmission Request (C-ARQ) schemes. ...

    • Energy harvesting-aware contention tree-based access for wireless machine-to-machine networks 

      Vázquez Gallego, Francisco; Alonso Zárate, Luis Gonzaga; Alonso Zárate, Jesús (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The Energy Harvesting-aware Contention Treebased Access (EH-CTA) protocol is presented in this paper as a novel Medium Access Control (MAC) protocol for wireless Machine-to-Machine (M2M) networks where enddevices are ...

    • Energy-efficiency evaluation of a medium access control protocol for cooperative ARQ 

      Alonso Zárate, Jesús; Stavrou, Eirini; Stamou, Adamantia; Angelidis, Pantelis; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (2011)
      Text en actes de congrés
      Accés obert
      We present in this paper the evaluation of the energy consumption of PRCSMA, an 802.11-based medium access control protocol designed to coordinate the retransmissions from the relays in a wireless network implementing a ...

    • Enhanced operation of DQMAN based wireless ad hoc networks 

      Alonso Zárate, Jesús; Kartsakli, Elli; Cateura, A; Verikoukis, Christos; Alonso Zárate, Luis Gonzaga (Institute of Electrical and Electronics Engineers (IEEE), 2007-10-01)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      This paper presents two novel mechanisms aimed at improving the packet transmission delay distribution and the channel usage efficiency of wireless ad hoc networks when using the DQMAN (distributed queuing MAC protocol for ...