Now showing items 1-20 of 40

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

    Betzler, August; Gómez Montenegro, Carlos; Seyfettin Demirkol, Ilker; Paradells Aspas, Josep (2014-08-01)
    Article
    Open Access
    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
    Open Access
    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 ...
  • Bluetooth low energy mesh networks: a survey 

    Gómez Montenegro, Carlos; Darroudi, Seyed Mahdi (MDPI AG, 2017-07-01)
    Article
    Open Access
    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
    Open Access
    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; Seyfettin Demirkol, Ilker; Paradells Aspas, Josep (2016-07)
    Article
    Open Access
    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; Seyfettin Demirkol, Ilker; Paradells Aspas, Josep (Elsevier, 2015-10-01)
    Article
    Open Access
    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; Seyfettin Demirkol, Ilker; Calveras Augé, Anna M.; Gómez Montenegro, Carlos; García Villegas, Eduard; Betzler, August (Association for Computing Machinery (ACM), 2016)
    Conference lecture
    Restricted access - publisher's policy
    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; Seyfettin Demirkol, Ilker; Paradells Aspas, Josep (Association for Computing Machinery (ACM), 2013)
    Conference report
    Restricted access - publisher's policy
    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
    Open Access
    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
    Open Access
  • Evaluation of advanced congestion control mechanisms for unreliable CoAP communications 

    Betzler, August; Gómez Montenegro, Carlos; Seyfettin Demirkol, Ilker (2015)
    Conference report
    Restricted access - publisher's policy
    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 ...
  • Experimental evaluation of congestion control for CoAP communications without end-to-end reliability 

    Betzler, August; Isern, Javier; Gómez Montenegro, Carlos; Seyfettin Demirkol, Ilker; Paradells Aspas, Josep (Elsevier, 2016-12-01)
    Article
    Restricted access - publisher's policy
    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)
    Exam
    Restricted access to the UPC academic community
  • Final tardor 218 

    Gómez Montenegro, Carlos; López Aguilera, M. Elena; Zola, Enrica Valeria (Universitat Politècnica de Catalunya, 2019-01-16)
    Exam
    Restricted access to the UPC academic community
  • Focusing the study on wireless multihop networks 

    Paradells Aspas, Josep; Gómez Montenegro, Carlos (2008)
    Conference report
    Restricted access - publisher's policy
    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 ...
  • From 6LoWPAN to 6Lo: expanding the universe of IPv6-supported technologies for the Internet of Things 

    Gómez Montenegro, Carlos; Paradells Aspas, Josep; Bormann, Carsten; Crowcroft, Jon (2017-12-01)
    Article
    Open Access
    Leveraging 6LoWPAN, the IETF 6Lo Working Group has targeted adaptation of IPv6 over a new generation of communication technologies for the IoT. These comprise Bluetooth LE, ITU-T G.9959, DECT ULE, MS/TP, NFC, IEEE 1901.2, ...
  • Impact of LQI-based routing metrics on the performance of a one-to-one routing protocol for IEEE 802.15.4 multihop networks 

    Gómez Montenegro, Carlos; Boix Requesens, Antoni; Paradells Aspas, Josep (2010)
    Article
    Open Access
  • Implementation and evaluation of the enhanced header compression (IPHC) for 6LoWPAN 

    Ludovici, Alessandro; Calveras Augé, Anna M.; Catalán Cid, María Luisa; Gómez Montenegro, Carlos; Paradells Aspas, Josep (2009)
    Article
    Restricted access - publisher's policy
    6LoWPAN defines how to carry IPv6 packets over IEEE 802.15.4 low power wireless or sensor networks. Limited bandwidth, memory and energy resources require a careful application of IPv6 in a LoWPAN. The IEEE 802.15.4 ...
  • Infrastructureless smart cities. Use cases and performance 

    Paradells Aspas, Josep; Gómez Montenegro, Carlos; Seyfettin Demirkol, Ilker; Oller Bosch, Joaquim; Catalán Cid, María Luisa (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Conference report
    Restricted access - publisher's policy
    Smart cities are a hot topic nowadays for several reasons. For city managers and citizens a smart city is a concept that should allow providing better services and/or with more efficiency. For technicians a smart city ...
  • Internet of Things for enabling smart environments: a technology-centric perspective 

    Gómez Montenegro, Carlos; Chessa, Stefano; Fleury, Anthony; Roussos, George; Preuveneers, Davy (2019-01-24)
    Article
    Open Access
    The Internet of Things (IoT) is a computing paradigm whereby everyday life objects are augmented with computational and wireless communication capabilities, typically through the incorporation of resource-constrained devices ...