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Ara es mostren els items 33-52 de 60

    • Large-scale performance evaluation of the IETF Internet of Things protocol suite for smart city solutions 

      Isern, Javier; Betzler, August; Gómez Montenegro, Carlos; Demirkol, Ilker Seyfettin; Paradells Aspas, Josep (2015)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      The Internet of Things (IoT) intends to interconnect massive amount of heterogeneous, smart devices, with the goal of interweaving the virtual world with the physical world. Smart Cities are typical IoT application domains, ...

    • Modeling the connectivity of Data-Channel-based Bluetooth Low Energy mesh networks 

      Darroudi, Seyed Mahdi; Gómez Montenegro, Carlos (2018-10-01)
      Article
      Accés obert
      Bluetooth Low Energy (BLE) has become one of the most popular low-power wireless technologies. While BLE was originally designed for star topology networks only, recent developments have focused on enabling mesh network ...

    • Modeling the energy performance of LoRaWAN 

      Casals Ibáñez, Lluís; Mir Masnou, Bernat; Vidal Ferré, Rafael; Gómez Montenegro, Carlos (MDPI AG, 2017-10-16)
      Article
      Accés obert
      LoRaWAN is a flagship Low-Power Wide Area Network (LPWAN) technology that has highly attracted much attention from the community in recent years. Many LoRaWAN end-devices, such as sensors or actuators, are expected not to ...

    • Modeling the maximum throughput of bluetooth low energy in an error-prone link 

      Gómez Montenegro, Carlos; Demirkol, Ilker Seyfettin; Paradells Aspas, Josep (2011-11)
      Article
      Accés restringit per política de l'editorial
      We present an analytical model for the maximum throughput of Bluetooth Low Energy (BLE), considering the presence of uncorrelated bit errors and the impact of a key BLE parameter that defines the time between the start ...

    • Modeling the network convergence time in RPL in error-prone, IEEE 802.15.4 chain topology multihop networks 

      Kermajani, Hamidreza; Gómez Montenegro, Carlos (2014)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      This paper presents an analytical model for estimating the network convergence time of IPv6 Routing Protocol for Low-power and Lossy Networks (RPL) in a static chain topology network of IEEE 802.15.4 nodes, in the presence ...

    • MQ primavera 2018 

      Gómez Montenegro, Carlos (Universitat Politècnica de Catalunya, 2018-05-30)
      Examen
      Accés restringit a la comunitat UPC

    • MQ tardor 2018 

      Gómez Montenegro, Carlos (Universitat Politècnica de Catalunya, 2018-10-26)
      Examen
      Accés restringit a la comunitat UPC

    • MQ tardor 2018 

      Gómez Montenegro, Carlos (Universitat Politècnica de Catalunya, 2018-10-25)
      Examen
      Accés restringit a la comunitat UPC

    • Multimodal retransmission timer for LPWAN 

      Gómez Montenegro, Carlos; Crowcroft, Jon (2020-02-05)
      Article
      Accés obert
      Low Power Wide Area Networks (LPWANs) are experiencing high momentum as an inexpensive solution for enabling Internet of Things (IoT) applications. Recent Internet connectivity support developments are expected to further ...

    • Networking solutions for connecting bluetooth low energy enabled machines to the internet of things 

      Nieminen, Johanna; Gómez Montenegro, Carlos; Isomaki, Markus; Savolainen, Teemu; Patil, Basavaraj; Shelby, Zach; Oller Bosch, Joaquim (2014-11-01)
      Article
      Accés restringit per política de l'editorial
      The next wave driving the expansion of the Internet will come from the Internet of Things. Bluetooth LE is a rapidly emerging ultra-low-power radio technology expected to be incorporated in billions of IoT devices in the ...

    • On the energy performance of iridium satellite IoT technology 

      Gómez Montenegro, Carlos; Darroudi, Seyed Mahdi; Naranjo Silva, Héctor Sebastián; Paradells, Josep (2021-10-30)
      Article
      Accés obert
      Most Internet of Things (IoT) communication technologies rely on terrestrial network infrastructure. When such infrastructure is not available or does not provide sufficient coverage, satellite communication offers an ...

    • On the network convergence process in RPL over IEEE 802.15.4 multihop networks: improvement and trade-offs 

      Kermajani, Hamidreza; Gómez Montenegro, Carlos (2014-07-01)
      Article
      Accés restringit per política de l'editorial
      The IPv6 Routing Protocol for Low-power and Lossy Networks (RPL) has been recently developed by the Internet Engineering Task Force (IETF). Given its crucial role in enabling the Internet of Things, a significant amount ...

    • Opportunistic sensor data collection with bluetooth low energy 

      Aguilar, Sergio; Vidal Ferré, Rafael; Gómez Montenegro, Carlos (2017-01-23)
      Article
      Accés obert
      Bluetooth Low Energy (BLE) has gained very high momentum, as witnessed by its widespread presence in smartphones, wearables and other consumer electronics devices. This fact can be leveraged to carry out opportunistic ...

    • Outperforming RPL with scalable routing based on meaningful MAC addressing 

      Rojas, Elisa; Hosseini, Hedayat; Gómez Montenegro, Carlos; Carrascal, David; Rodrigues Cotrim, Jeferson (Elsevier, 2021-04-01)
      Article
      Accés obert
      RPListhe de-facto IPv6-based routing protocol for the Internet of Things (IoT), where networks are mainly formed by sensors and other low capacity devices. However, RPL lacks scalability and is inefficient in any-to-any ...

    • Packet fragmentation over Sigfox: implementation and performance evaluation of SCHC ACK-on-error 

      Aguilar Romero, Sergio; Wistuba La-Torre, Diego s.; Platis, Antonio; Vidal Ferré, Rafael; Gómez Montenegro, Carlos; Céspedes, Sandra; Zúñiga, Juan Carlos (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Article
      Accés obert
      The Static Context Header Compression and fragmentation (SCHC) framework has been recently designed by the IETF. SCHC provides adaptation layer functionality intended to efficiently support IPv6-based and other applications ...

    • Performance analysis and optimal tuning of IETF LPWAN SCHC ACK-on-Error Mode 

      Aguilar Romero, Sergio; Maillé, patrick; Toutain, Laurent; Gómez Montenegro, Carlos; Vidal Ferré, Rafael; montavont, nicolas; Papadopoulos, Georgios Z. (2020-07-10)
      Article
      Accés obert
      The Internet Engineering Task Force (IETF) Low Power Wide Area Network (LPWAN) Working Group has developed the Static Context Header Compression (SCHC) framework to enable IPv6 over LPWAN. In order to support 1280-byte ...

    • Redes de comunicaciones : de la telefonía móvil a Internet 

      Beltran Sanchidrian, Victòria; Casals Ibáñez, Lluís; Catalán Cid, María Luisa; Catalán Cid, Miguel; García Villegas, Eduard; Gómez Montenegro, Carlos; Hesselbach Serra, Xavier; López Aguilera, M. Elena; Paradells Aspas, Josep; Sánchez Vila, Francisco Javier; Vidal Ferré, Rafael; Calveras Augé, Anna M. (Universitat Politècnica de Catalunya, 2010)
      Llibre
      Accés restringit als usuaris de la UB, UAB, UPC, UPF, UdG, UdL, URV, UOC, BC, UVic, UJI, URL, UIC
      Vivimos completamente rodeados por una miríada de dispositivos electrónicos interconectados, que a su vez originan nuevos servicios y nuevas formas de entender y establecer las relaciones sociales. Nuevas palabras y conceptos ...

    • Rememorant a Mies van der Rohe 

      Gómez Montenegro, Carlos (Escola Tècnica Superior d'Arquitectura de Barcelona, 1999)
      Article
      Accés obert
      Imatges del primer gratacels de Mies Van Der Rohe a través dels mitjans tècnics actuals.

    • Route change latency in low-power and lossy wireless networks using RPL and 6LoWPAN neighbor discovery 

      Kermajani, Hamidreza; Gómez Montenegro, Carlos (2011)
      Text en actes de congrés
      Accés obert
      The IETF ROLL WG is currently in the final steps of the specification of RPL, a new routing protocol for low power and lossy networks (e.g. wireless sensor networks). RPL may use layer two- and layer three-based mechanisms ...

    • Should we use the default protocol settings for networks of constrained devices? 

      Betzler, August; Gómez Montenegro, Carlos; Demirkol, Ilker Seyfettin; Paradells Aspas, Josep (2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Constrained devices will play a crucial role in the Internet of Things. These devices use communication technologies which often support the formation of wireless multihop topologies. Therefore, end-to-end data transfer ...