Ara es mostren els items 1-20 de 60

    • A holistic approach to ZigBee performance enhancement for home automation networks 

      Betzler, August; Gómez Montenegro, Carlos; Demirkol, Ilker Seyfettin; Paradells Aspas, Josep (2014-08-01)
      Article
      Accés obert
      Wireless home automation networks are gaining importance for smart homes. In this ambit, ZigBee networks play an important role. The ZigBee specification defines a default set of protocol stack parameters and mechanisms ...
    • A Sigfox energy consumption model 

      Gómez Montenegro, Carlos; Veras Revelles, Juan Carlos; Vidal Ferré, Rafael; Casals Ibáñez, Lluís; Paradells Aspas, Josep (Multidisciplinary Digital Publishing Institute (MDPI), 2019-02-07)
      Article
      Accés obert
      Sigfox has become one of the main Low-Power Wide Area Network (LPWAN) technologies, as it has attracted the attention of the industry, academy and standards development organizations in recent years. Sigfox devices, such ...
    • An implementation of IoT LPWAN SCHC message fragmentation and reassembly 

      Wistuba, Diego; Céspedes, Sandra; Zúñiga, Juan Carlos; Muñoz Lara, Rodrigo; Aguilar Romero, Sergio; Gómez Montenegro, Carlos; Vidal Ferré, Rafael (CEUR-WS.org, 2020)
      Comunicació de congrés
      Accés obert
      This extended abstract reports about the implementation of the fragmentation and reassembly mechanisms of the SCHC framework for Low Power Wide Area Networks (LPWANs). The project aims to program the methods and routines ...
    • Bluetooth Low Energy mesh networks: a standards perspective 

      Darroudi, Seyed Mahdi; Gómez Montenegro, Carlos; Crowcroft, Jon (2020)
      Article
      Accés obert
      Bluetooth Low Energy (BLE) mesh networking is an emerging technology domain that promises an important role in the Internet of Things. Significant market opportunities for BLE mesh networking have motivated the recent ...
    • Bluetooth low energy mesh networks: a survey 

      Gómez Montenegro, Carlos; Darroudi, Seyed Mahdi (MDPI AG, 2017-07-01)
      Article
      Accés obert
      luetooth Low Energy (BLE) has gained significant momentum. However, the original design of BLE focused on star topology networking, which limits network coverage range and precludes end-to-end path diversity. In contrast, ...
    • Bluetooth mesh energy consumption: a model 

      Darroudi, Seyed Mahdi; Caldera-Sànchez, Raül; Gómez Montenegro, Carlos (Multidisciplinary Digital Publishing Institute (MDPI), 2019-03-12)
      Article
      Accés obert
      The recent publication of the Bluetooth Mesh standard is a remarkable milestone in the evolution of Bluetooth Low Energy (BLE). As a new technology in the Internet of Things (IoT) market, it is crucial to investigate the ...
    • CoAP congestion control for the Internet of Things 

      Betzler, August; Gómez Montenegro, Carlos; Demirkol, Ilker Seyfettin; Paradells Aspas, Josep (2016-07)
      Article
      Accés obert
      CoAP is a lightweight RESTful application layer protocol devised for the IoT. Operating on top of UDP, CoAP must handle congestion control by itself. The core CoAP specification defines a basic congestion control mechanism, ...
    • CoCoA+: an advanced congestion control mechanism for CoAP 

      Betzler, August; Gómez Montenegro, Carlos; Demirkol, Ilker Seyfettin; Paradells Aspas, Josep (Elsevier, 2015-10-01)
      Article
      Accés obert
      The Constrained Application Protocol (CoAP) has been designed by the Internet Engineering Task Force (IETF) for Internet of Things (IoT) devices. Due to the limited radio channel capacities and hardware resources of such ...
    • Competition: interference-aware multi-channel cross layer protocol for energy-efficient and low-delay networking 

      Sierra Aiello, Guillermo; Demirkol, Ilker Seyfettin; Calveras Augé, Anna M.; Gómez Montenegro, Carlos; García Villegas, Eduard; Betzler, August (Association for Computing Machinery (ACM), 2016)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      This document aims to present the general ideas and methodology that are planned to be used for the EWSN 2016 Dependability Competition by the Wireless Networks Group of Universitat Politecnica de Catalunya. We designed, ...
    • Congestion control in reliable CoAP communication 

      Betzler, August; Gómez Montenegro, Carlos; Demirkol, Ilker Seyfettin; Paradells Aspas, Josep (Association for Computing Machinery (ACM), 2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The development of IPv6 stacks for wireless constrained devices that have limited hardware resources has paved the way for many new areas of applications and protocols. The Constrained Application Protocol (CoAP) has been ...
    • Contention- and interference-aware flow-based routing in wireless mesh networks: design and evaluation of a novel routing metric 

      Catalán Cid, Miguel; Ferrer, Josep Lluís; Gómez Montenegro, Carlos; Paradells Aspas, Josep (2010)
      Article
      Accés obert
      As the popularity of IEEE 802.11-based Wireless Mesh Networks (WMNs) grows, end users of these environments demand better performance and quality of service (QoS). However, the Medium Access Control (MAC) layer of the ...
    • Dia d'Internet: La Internet de les coses: la revolució que s'acosta 

      Gómez Montenegro, Carlos (2010-05-17)
      Audiovisual
      Accés obert
    • Energy consumption model of SCHC packet fragmentation over Sigfox LPWAN 

      Aguilar Romero, Sergio; Platis, Antonio; Vidal Ferré, Rafael; Gómez Montenegro, Carlos (Multidisciplinary Digital Publishing Institute (MDPI), 2022-03-09)
      Article
      Accés obert
      The Internet Engineering Task Force (IETF) has standardized a new framework, called Static Context Header Compression and fragmentation (SCHC), which offers adaptation layer functionality designed to support IPv6 over Low ...
    • Evaluation of advanced congestion control mechanisms for unreliable CoAP communications 

      Betzler, August; Gómez Montenegro, Carlos; Demirkol, Ilker Seyfettin (2015)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Networks of constrained devices play an important role in the Internet of Things (IoT). In such networks congestion may lead to significant performance decrease and is a recurring phenomenon given the restricted hardware ...
    • Evaluation of receiver-feedback techniques for fragmentation over LPWANs 

      Aguilar Romero, Sergio; Vidal Ferré, Rafael; Gómez Montenegro, Carlos (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Article
      Accés obert
      The Internet Engineering Task Force (IETF) has standardized a new framework for IPv6 support over Low Power Wide Area Networks (LPWANs), called Static Context Header Compression and Fragmentation (SCHC). SCHC includes ...
    • Experimental evaluation of 6BLEMesh: IPv6-based BLE mesh networks 

      Darroudi, Seyed Mahdi; Gómez Montenegro, Carlos (Multidisciplinary Digital Publishing Institute (MDPI), 2020-08-17)
      Article
      Accés obert
      Bluetooth Low Energy (BLE) has become a major wireless technology for the Internet of Things (IoT). Recent efforts of academia, industry and standards development organizations have focused on creating BLE mesh network ...
    • Experimental evaluation of congestion control for CoAP communications without end-to-end reliability 

      Betzler, August; Isern, Javier; Gómez Montenegro, Carlos; Demirkol, Ilker Seyfettin; Paradells Aspas, Josep (Elsevier, 2016-12-01)
      Article
      Accés obert
      The Constrained Application Protocol (CoAP) has been designed by the Internet Engineering Task Force (IETF) for Internet of Things (IoT) communications. CoAP is a lightweight, request/response-based RESTful protocol that ...
    • Final primavera 2018 

      Gómez Montenegro, Carlos; López Aguilera, M. Elena; Zola, Enrica Valeria (Universitat Politècnica de Catalunya, 2018-06-11)
      Examen
      Accés restringit a la comunitat UPC
    • Final tardor 218 

      Gómez Montenegro, Carlos; López Aguilera, M. Elena; Zola, Enrica Valeria (Universitat Politècnica de Catalunya, 2019-01-16)
      Examen
      Accés restringit a la comunitat UPC
    • Focusing the study on wireless multihop networks 

      Paradells Aspas, Josep; Gómez Montenegro, Carlos (2008)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Wireless mesh networks, mobile ad-hoc networks and wireless sensor networks are some of the names related to a more general concept that can be described as wireless multihop networks. The topic of the tutorial is motivated ...