Now showing items 1-20 of 46

    • 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
      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 standards perspective 

      Darroudi, Seyed Mahdi; Gómez Montenegro, Carlos; Crowcroft, Jon (2020)
      Article
      Open Access
      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
      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; Demirkol, Ilker Seyfettin; 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; Demirkol, Ilker Seyfettin; 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; Demirkol, Ilker Seyfettin; 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; Demirkol, Ilker Seyfettin; 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; Demirkol, Ilker Seyfettin (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 6BLEMesh: IPv6-based BLE mesh networks 

      Darroudi, Seyed Mahdi; Gómez Montenegro, Carlos (Multidisciplinary Digital Publishing Institute (MDPI), 2020-08-17)
      Article
      Open Access
      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
      Open Access
      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 ...