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Ara es mostren els items 42-60 de 60

    • 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 ...

    • Smart Cities: Acte inaugural i xerrades tutorials 

      Berenguer Sau, Jordi; Gómez Montenegro, Carlos; Reyes, Manuel; Rodríguez, Francesc (EETAC / Factoria BCBL, 2011-11-24)
      Audiovisual
      Accés obert

    • Smart Inclusive University - Posibilidades de las TIC hacia una universidad para todos 

      Vidal Ferré, Rafael; Guasch Murillo, Daniel; Casals Ibáñez, Lluís; García Villegas, Eduard; Gómez Montenegro, Carlos; López Aguilera, M. Elena; Martín Escalona, Israel; Bestraten Castells, Sandra Cinta; Àlvarez Suau, Maria Hortènsia; Nogués Freixas, Cristina (Càtedra d'Accessibilitat de la Universitat Politècnica de Catalunya, 2015-12)
      Llibre
      Accés obert

    • TCP in the Internet of Things: from ostracism to prominence 

      Gómez Montenegro, Carlos; Arcia Moret, Andrés; Crowcroft, Jon (2018-01-16)
      Article
      Accés obert
      TCP has traditionally been neglected as a transport-layer protocol for the Internet of Things (IoT). However, recent trends and industry needs are favoring TCP presence in IoT environments. In this article, we describe the ...

    • The SF12 well in LoRaWAN: problem and end-device-based solutions 

      Casals Ibáñez, Lluís; Gómez Montenegro, Carlos; Vidal Ferré, Rafael (Multidisciplinary Digital Publishing Institute (MDPI), 2021-09-28)
      Article
      Accés obert
      LoRaWAN has become a popular technology for the Internet of Things (IoT) device connectivity. One of the expected properties of LoRaWAN is high network scalability. However, LoRaWAN network performance may be compromised ...

    • Understanding the impact of packet size on the energy efficiency of LoRaWAN 

      Casals Ibáñez, Lluís; Gómez Montenegro, Carlos; Vidal Ferré, Rafael (2023-12)
      Article
      Accés obert
      LoRaWAN has become a flagship LPWAN technology, and one of the main connectivity alternatives for IoT devices. Since LoRaWAN was designed for low energy consumption, it is fundamental to understand its energy performance. ...

    • Urban automation networks: current and emerging solutions for sensed data collection and actuation in smart cities 

      Gómez Montenegro, Carlos; Paradells Aspas, Josep (2015-09-10)
      Article
      Accés obert
      Urban Automation Networks (UANs) are being deployed worldwide in order to enable Smart City applications. Given the crucial role of UANs, as well as their diversity, it is critically important to assess their properties ...

    • Web browsing optimization over 2.5G and 3G: end-to-end mechanisms vs. usage of performance enhancing proxies 

      Gómez Montenegro, Carlos; Catalán Cid, María Luisa; Viamonte Solé, David; Paradells Aspas, Josep; Calveras Augé, Anna M. (2008-02)
      Article
      Accés obert
      2.5 Generation (2.5G) and Third Generation (3G) cellular wireless networks allow mobile Internet access withbearers specifically designed for data communications. However, Internet protocols under-utilize wireless widearea ...

    • Weighted contention and interference routing metric (WCIM): Research Report 

      Catalán Cid, Miguel; Ferrer, Josep Lluís; Gómez Montenegro, Carlos; Paradells Aspas, Josep (2010-07-08)
      Report de recerca
      Accés obert
      Contention- and Interference-Aware Flow-based Routing in Wireless Mesh Networks: design and evaluation of a novel routing metric Report 1: Analysis of WCIM model Report 2: Simulations