Ara es mostren els items 23-42 de 42

    • Performance evaluation of selected transmission control protocol variants over a digital video broadcasting-second generation broadband satellite multimedia system with QoS 

      Rendón Morales, Elizabeth; Mata Diaz, Jorge; Alins Delgado, Juan José; Muñoz Tapia, José Luis; Esparza Martín, Óscar (2013-11-07)
      Article
      Accés restringit per política de l'editorial
      This paper presents an analysis of several Transmission Control Protocol (TCP) variants working over a digital video broadcasting-second generation (DVB-S2) satellite link with the support of the Differentiated Services ...
    • PPREM: Privacy Preserving REvocation Mechanism for Vehicular Ad Hoc Networks 

      Hernández Gañán, Carlos; Muñoz Tapia, José Luis; Esparza Martín, Óscar; Mata Diaz, Jorge; Alins Delgado, Juan José (Elsevier, 2014-03-01)
      Article
      Accés restringit per política de l'editorial
      One of the critical security issues of Vehicular Ad Hoc Networks (VANETs) is the revocation of misbehaving vehicles. While essential, revocation checking can leak potentially sensitive information. Road Side Units (RSUs) ...
    • Problemes Tema 1 (Xarxes Commutades) 

      Aguilar Igartua, Mónica; Alins Delgado, Juan José; Altés Bosch, Jorge; Barceló Arroyo, Francisco; Cruz Llopis, Luis Javier de la; Esparza Martín, Óscar; Forné Muñoz, Jorge; Martín Escalona, Israel; Martín Faus, Isabel Victoria; Mata Diaz, Jorge; Muñoz Tapia, José Luis; Pallarès Segarra, Esteve; Serrat Fernández, Juan; Soriano Ibáñez, Miguel; Postigo Boix, Marcos; Casademont Serra, Jordi (Universitat Politècnica de Catalunya, 2023-04-08)
      Problema, exercici
      Accés obert
    • Problemes Tema 2 (MAC i LLC) 

      Aguilar Igartua, Mónica; Alins Delgado, Juan José; Altés Bosch, Jorge; Barceló Arroyo, Francisco; Calveras Augé, Anna M.; Casademont Serra, Jordi; Cruz Llopis, Luis Javier de la; Esparza Martín, Óscar; Forné Muñoz, Jorge; Hesselbach Serra, Xavier; Martín Escalona, Israel; Martín Faus, Isabel Victoria; Mata Diaz, Jorge; Muñoz Tapia, José Luis; Pallarès Segarra, Esteve; Paradells Aspas, Josep; Pegueroles Vallés, Josep R.; Rojas Espinosa, Alfonso; Serrat Fernández, Juan; Soriano Ibáñez, Miguel; Postigo Boix, Marcos; Casademont Serra, Jordi (Universitat Politècnica de Catalunya, 2023-04-08)
      Problema, exercici
      Accés obert
    • Problemes Tema 3 (LAN i WLAN) 

      Aguilar Igartua, Mónica; Alins Delgado, Juan José; Altés Bosch, Jorge; Barceló Arroyo, Francisco; Calveras Augé, Anna M.; Casademont Serra, Jordi; Cruz Llopis, Luis Javier de la; Esparza Martín, Óscar; Forné Muñoz, Jorge; Hesselbach Serra, Xavier; Martín Escalona, Israel; Mata Diaz, Jorge; Muñoz Tapia, José Luis; Pallarès Segarra, Esteve; Paradells Aspas, Josep; Pegueroles Vallés, Josep R.; Rojas Espinosa, Alfonso; Serrat Fernández, Juan; Soriano Ibáñez, Miguel; Postigo Boix, Marcos; Casademont Serra, Jordi; Martín Faus, Isabel Victoria (Universitat Politècnica de Catalunya, 2023-04-08)
      Problema, exercici
      Accés obert
    • Problemes Tema 4 (IP - 1a part) 

      Aguilar Igartua, Mónica; Alins Delgado, Juan José; Altés Bosch, Jorge; Barceló Arroyo, Francisco; Cruz Llopis, Luis Javier de la; Esparza Martín, Óscar; Forné Muñoz, Jorge; Martín Escalona, Israel; Mata Diaz, Jorge; Muñoz Tapia, José Luis; Pallarès Segarra, Esteve; Serrat Fernández, Juan; Soriano Ibáñez, Miguel; Calveras Augé, Anna M.; Casademont Serra, Jordi; Paradells Aspas, Josep; Casademont Serra, Jordi; Postigo Boix, Marcos; Martín Faus, Isabel Victoria (Universitat Politècnica de Catalunya, 2023-04-08)
      Problema, exercici
      Accés obert
    • Problemes Tema 4 (IP - 2a part) 

      Aguilar Igartua, Mónica; Alins Delgado, Juan José; Altés Bosch, Jorge; Barceló Arroyo, Francisco; Cruz Llopis, Luis Javier de la; Esparza Martín, Óscar; Forné Muñoz, Jorge; Martín Escalona, Israel; Martín Faus, Isabel Victoria; Mata Diaz, Jorge; Muñoz Tapia, José Luis; Pallarès Segarra, Esteve; Serrat Fernández, Juan; Soriano Ibáñez, Miguel; Calveras Augé, Anna M.; Casademont Serra, Jordi; Paradells Aspas, Josep; Postigo Boix, Marcos; Casademont Serra, Jordi (Universitat Politècnica de Catalunya, 2023-04-08)
      Problema, exercici
      Accés obert
    • QoSatAr: a cross-layer architecture for E2E QoS provisioning over DVB-S2 broadband satellite systems 

      Rendón Morales, Elizabeth; Mata Diaz, Jorge; Alins Delgado, Juan José; Muñoz Tapia, José Luis; Esparza Martín, Óscar (2012-10-01)
      Article
      Accés obert
      This article presents QoSatAr, a cross-layer architecture developed to provide end-to-end quality of service (QoS) guarantees for Internet protocol (IP) traffic over the Digital Video Broadcasting-Second generation (DVB-S2) ...
    • RAR: Risk aware revocation mechanism for vehicular networks 

      Hernández Gañán, Carlos; Muñoz Tapia, José Luis; Esparza Martín, Óscar; Mata Diaz, Jorge; Alins Delgado, Juan José; Silva Cárdenas, Carlos; Bartra Gardini, Gumercindo (2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Vehicular Ad Hoc Networks (VANETs) require some mechanism to authenticate messages, identify valid vehicles, and remove misbehaving ones. A Public Key Infrastructure (PKI) can provide this functionality using digital ...
    • Redes, sistemas y servicios de comunicación : problemas resueltos 

      Cruz Llopis, Luis Javier de la; Garcia Fernández, Jerónimo; Mata Diaz, Jorge; Melus Moreno, José Luis; Pallarès Segarra, Esteve; Sanvicente Gargallo, Emilio (Edicions UPC, 2002)
      Llibre
      Accés restringit a la comunitat UPC
      Este libro es una recopilación de problemas resueltos de Redes, Sistemas y Servicios de Comunicación, asignatura troncal de segundo ciclo de los estudios de ingeniería de telecomunicación en la Escola Tècnica Superior ...
    • RIAPPA: a robust identity assignment protocol for P2P overlays 

      Caubet Fernández, Juan; Esparza Martín, Óscar; Muñoz Tapia, José Luis; Alins Delgado, Juan José; Mata Diaz, Jorge (2014-12-01)
      Article
      Accés obert
      Peer-to-peer (P2P) overlay networks have been proposed to solve routing problems of big distributed infrastructures, even for Internet scale. But the research community has been questioning the security of these networks ...
    • Risk-based decision-making for public key infrastructures using fuzzy logic 

      Hernández Gañán, Carlos; Muñoz Tapia, José Luis; Esparza Martín, Óscar; Mata Diaz, Jorge; Alins Delgado, Juan José (2012-11-01)
      Article
      Accés restringit per política de l'editorial
      Public key infrastructures (PKIs) are complex systems that are responsible for giving users enough information to make reasonable trust judgments about one another. The validation of public keys is hence of great importance. ...
    • Secure handoffs for V2I communications in 802.11 networks 

      Hernández Gañán, Carlos; Reñé Vicente, Sergi; Muñoz Tapia, José Luis; Esparza Martín, Óscar; Mata Diaz, Jorge; Alins Delgado, Juan José (ACM Press. Association for Computing Machinery, 2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Vehicular ad hoc networks (VANETs) are emerging as a novel paradigm for safety services, supporting real-time applications (e.g., video-streaming, Internet browsing, online gaming, etc.). However, maintaining ubiquitous ...
    • Securing identity assignment using implicit certificates in P2P overlays 

      Caubet Fernández, Juan; Esparza Martín, Óscar; Alins Delgado, Juan José; Mata Diaz, Jorge; Soriano Ibáñez, Miguel (Springer International Publishing, 2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The security of the Peer-to-Peer (P2P) overlays networks has been questioned for years. Many works have been proposed to provide secure routing, anonymity, reputation systems, confidentiality, etc. However, the identity ...
    • Simtools: teaching networks with virtual scenarios 

      Alins Delgado, Juan José; Muñoz Tapia, José Luis; Mata Diaz, Jorge; Esparza Martín, Óscar (Universitat de les Illes Balears, 2015)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In this paper we present simtools, a software to create virtual networks of UML machines which is based on UML and VNUML. Simtools allows easily building virtual scenarios, and it is a ...
    • Transmisión de datos : problemas resueltos 

      Aguilar Igartua, Mónica; Forné Muñoz, Jorge; Mata Diaz, Jorge; Rico Novella, Francisco José; Rojas Espinosa, Alfonso; Soriano Ibáñez, Miguel (Iniciativa Digital Politècnica, 2010)
      Llibre
      Accés obert
      Los profesores de la asignatura Transmisión de Datos, impartida en la UPC, hemos elaborado este libro de problemas resueltos representativos de la misma. El libro se estructura en tres temas: codificación de fuente, ...
    • Transmisión de vídeo H.264/AVC con control de tasa adaptativo en el servidor 

      Mata Diaz, Jorge; Solorzano, Edwin; Muñoz Tapia, José Luis; Hernández Serrano, Juan; Alins Delgado, Juan José; Esparza Martín, Óscar (2015)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In this paper we describe a method for transmitting H.264/AVC encoded video. The data transfer is performed by adapting data transmission to network performance in order to ensure continuous transmission. The data transfer ...
    • Vespa: emulating infotainment applications in vehicular networks 

      Reñé Vicente, Sergi; Alins Delgado, Juan José; Mata Diaz, Jorge; Hernández Gañan, Carlos; Muñoz Tapia, José Luis; Esparza Martín, Óscar (2014-07-01)
      Article
      Accés restringit per política de l'editorial
      The Vehicular Emulations Platform for Real Applications (Vespa) was developed to allow for experiments with many vehicles running real- world applications with real-time requirements in complex network scenarios. A use ...
    • VSPLIT: a cross-layer architecture for V2I TCP services over 802.11 

      Reñé Vicente, Sergi; Esparza Martín, Óscar; Alins Delgado, Juan José; Mata Diaz, Jorge; Muñoz Tapia, José Luis (2013-12)
      Article
      Accés restringit per política de l'editorial
      This article proposes VSPLIT, a new architecture based on TCP cross-layering and splitting techniques for optimizing the transport layer performance in vehicular networks for Internet-based Vehicle-to-Infrastructure (V2I) ...
    • XPLIT: A cross-layer architecture for TCP services over DVB-S2/ETSI QoS BSM 

      Alins Delgado, Juan José; Mata Diaz, Jorge; Muñoz Tapia, José Luis; Rendón Morales, Elizabeth; Esparza Martín, Óscar (2012-01-12)
      Article
      Accés restringit per política de l'editorial
      This article proposes XPLIT, a new architecture based on TCP cross-layering and splitting for optimizing the transport layer performance in a DVB-S2 satellite link that employs the ETSI QoS Broadband Satellite Multimedia ...