Exploració per tema "Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Telemàtica i xarxes d'ordinadors"

Ara es mostren els items 1-20 de 1895

    • 3 and 4-separable binary codes existence by the Lovász Local Lemma in application to collusion-secure fingerprinting for digital data 

      Olmo Luján, Mireia (Universitat Politècnica de Catalunya, 2022-02-02)
      Treball Final de Grau
      Accés obert
      Algorithm implementations in order to calculate the existance and the rate of a 3-separable code which is needed to implement fingerprints.

    • 3G access network dimensioning for isolated rural communities in developing countries 

      Olmo Alòs, Jaume del (Universitat Politècnica de Catalunya, 2013-12-18)
      Projecte/Treball Final de Carrera
      Accés obert
      [ANGLÈS] Based on the definition of the access network planning architecture and the voice and data traffic evolution forecast, this document derives engineering rules for network dimensioning in rural areas. Network ...

    • 3MRP+: an improved multimetric geographical routing protocol for VANETs 

      Lemus Cárdenas, Leticia; Mezher, Ahmad Mohamad; López Márquez, Nely Patricia; Barbecho Bautista, Pablo Andrés; Cárdenas Barrera, Julián; Aguilar Igartua, Mónica (Association for Computing Machinery (ACM), 2018)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The design of routing protocols in vehicular ad hoc networks (VANETs) is fundamental to achieve a high packets’ delivery ratio. Routing protocols whose operation considers the nodes’ positions use updated routing information ...

    • 5G Dimensioning And Optimization Through Use Analysis Of A Real Scenario 

      Redondo Escobar, Guillermo (Universitat Politècnica de Catalunya, 2023-05-22)
      Projecte Final de Màster Oficial
      Accés obert
      Mobile networks have become essential to our daily communications. The growth of mobile traffic and users has increased exponentially in recent years, with increasing demands on throughput and latency. To handle this growing ...

    • 5G evaluation platform for connected and autonomous vehicles 

      Bereziartu Orts, Beñat (Universitat Politècnica de Catalunya, 2021-06)
      Projecte Final de Màster Oficial
      Accés obert
      Connected vehicles are the next frontier in massive mobile communications. The field of vehicular communications has undergone a significant transformation and is interested in getting more vehicles connected to exchange ...

    • 5G framework for automated network adaptation in mission critical services 

      Jimeno, Elisa; Pérez Romero, Jordi; Vilà Muñoz, Irene; Blanco Jauregi, Begoña; Sanchoyerto, Aitor; Fernández, Javier (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Text en actes de congrés
      Accés obert
      Mission Critical Services (MCS) are gaining interest among network operators to offer alternative communications than conventional trunked radio systems. They promise a simplified management of cloud and radio resources ...

    • 5G NR small cells deployment using Beamforming 

      Vinyes Marco, Nuria (Universitat Politècnica de Catalunya, 2022-05-24)
      Projecte Final de Màster Oficial
      Accés obert
      Realitzat a/amb:   Forsk
      5G mobile communication systems should bring significant benefits such as lower latency, higher peak and user data rates, connection density and availability. To achieve such benefits beamforming at the base stations and ...

    • 5G transport network blueprint and dimensioning for a dense urban scenario 

      Demirkol, Ilker Seyfettin; Camps Mur, Daniel; Bartelt, Jens; Zou, Jim (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In this paper, we provide a quantitative evaluation of the deployment aspects and dimensioning of the 5G transport architecture in a representative European city. In particular, we select an example dense urban city scenario ...

    • 5GAuRA. D3.3: RAN Analytics Mechanisms and Performance Benchmarking of Video, Time Critical, and Social Applications 

      Habibi, Mohammad Asif; Nasimi, Meysam; Han, Bin; Irazabal Bengoa, Mikel (2019-03-01)
      Report de recerca
      Accés obert
      This is the final deliverable of Work Package 3 (WP3) of the 5GAuRA project, providing a report on the project’s developments on the topics of Radio Access Network (RAN) analytics and application performance benchmarking. ...

    • A 125-143-GHz frequency-reconfigurable BiCMOS compact LNA using a single RF-MEMS switch 

      Heredia, Julio; Ribó i Pal, Miquel; Pradell i Cara, Lluís; Wipf, Selin Tolunay; Göritz, Alexander; Wipf, Christian; Kaynak, Mehmet (2019-05-01)
      Article
      Accés obert
      In this letter, a 125-143-GHz frequency-reconfigurable BiCMOS compact low-noise amplifier (LNA) is presented for the first time. It consists of two cascode stages and was fabricated using a 0.13-µm SiGe:C BiCMOS process, ...

    • A 4-Dimensional Markov model for the evaluation of radio access technology selection strategies in multiservice scenarios 

      Gelabert Doran, Xavier Bernardi; Pérez Romero, Jordi; Sallent Roig, Oriol; Agustí Comes, Ramon (IEEE Press. Institute of Electrical and Electronics Engineers, 2006)
      Text en actes de congrés
      Accés obert
      In order to support the conceptual development of Common Radio Resource Management (CRRM) algorithms, this paper provides an analytical approach to the performance evaluation of Radio Access Technology (RAT) selection ...

    • A centrality-based topology control protocol for wireless mesh networks 

      Vázquez Rodas, Andrés; Cruz Llopis, Luis Javier de la (Elsevier, 2015-01-01)
      Article
      Accés obert
      Nodes in wireless multi-hop networks establish links with their neighbors, which are used for data transmission. In general, in this kind of networks every node has the possibility of acting as a router, forwarding the ...

    • A cloud-enabled small cell architecture in 5G networks for broadcast/multicast services 

      kourtis, Michail-Alexandros; Blanco, Begoña; Pérez Romero, Jordi; Makris, Dimitris; McGrath, Michael J.; Xilouris, George; Munaretto, Daniele; Solozabal, Ruben; Sanchoyerto, Aitor; Giannoulakis, Ioannis; Kafetzakis, Emmanouil; Riccobene, Vincenzo; Jimeno, Elisa; Kourtis, Anastasios; Ferrús Ferré, Ramón Antonio; Liberal, Fidel; Koumaras, Harilaos; Kostopoulos, Alexandros; Chochliouros, Ioannis (2019-06-01)
      Article
      Accés obert
      The evolution of 5G suggests that communication networks become sufficiently flexible to handle a wide variety of network services from various domains. The virtualization of small cells as envisaged by 5G, allows enhanced ...

    • A cluster head decision system for sensor networks using fuzzy logic and number of neighbor nodes 

      Anno, Junpei; Barolli, Leonard; Durresi, Arjan; Xhafa Xhafa, Fatos; Koyama, Akio (Institute of Electrical and Electronics Engineers (IEEE), 2009)
      Text en actes de congrés
      Accés obert
      Cluster formation and cluster head selection are important problems in sensor network applications and can drastically affect the network’s communication energy dissipation. However, the selection of cluster head is not ...

    • A cluster head selection method for wireless sensor networks based on fuzzy logic 

      Anno, Junpei; Barolli, Leonard; Xhafa Xhafa, Fatos; Durresi, Arjan (Institute of Electrical and Electronics Engineers (IEEE), 2007)
      Text en actes de congrés
      Accés obert
      Sensor networks supported by recent technological advances in low power wireless communications along with silicon integration of various functionalities are emerging as a critically important computer class that enable ...

    • A collaborative protocol for anonymous reporting in vehicular ad hoc networks 

      Tripp Barba, Carolina; Urquiza Aguiar, Luis; Aguilar Igartua, Mónica; Parra Arnau, Javier; Rebollo Monedero, David; Forné Muñoz, Jorge; Pallarès Segarra, Esteve (Elsevier, 2013-11-01)
      Article
      Accés restringit per política de l'editorial
      Vehicular ad hoc networks (VANETs) have emerged to leverage the power of modern communication technologies, applied to both vehicles and infrastructure. Allowing drivers to report traffic accidents and violations through ...

    • A communication infrastructure for emulating large-scale neural networks models 

      Barrera, A.G.; Moreno Aróstegui, Juan Manuel (Springer, 2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper presents the SEPELYNS architecture that permits to in- terconnect multiple spiking neurons focused on hardware implementations. SEPELYNS can connect millions of neur ons with thousands of synapses per neuron ...

    • A comparison study between two fuzzy-based trustworthiness systems for P2P networks 

      Umezaki, Kouhei; Spaho, Evjola; Barolli, Leonard; Xhafa Xhafa, Fatos; Matsuo, Keita; Iwashige, Jiro (2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In P2P systems, evaluation of trustworthiness of the peers is very important for a safe communication. In order to decide the peer trustworthiness different parameters are needed. In this paper, we propose two fuzzy-based ...

    • A comparison study for two fuzzy-based systems: improving reliability and security of JXTA-overlay P2P platform 

      Liu, Yi; Sakamoto, Shinji; Matsuo, Keita; Ikeda, Makoto; Barolli, Leonard; Xhafa Xhafa, Fatos (Springer, 2016-07-01)
      Article
      Accés obert
      The reliability of peers is very important for safe communication in peer-to-peer (P2P) systems. The reliability of a peer can be evaluated based on the reputation and interactions with other peers to provide different ...

    • A comparison study of different algorithms for energy-aware placement of virtual machines 

      Olvera, Alex; Xhafa Xhafa, Fatos (Springer, 2018)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Cloud Computing services are essential to modern society. The increasing number of people and organisations using these types of services results in a higher demand in datacenters, which in turn, is raising energy consumption ...