Listar por tema "Telecommunication systems"

Mostrando ítems 1-20 de 123

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

      Vázquez Rodas, Andrés; Cruz Llopis, Luis Javier de la (Elsevier, 2015-01-01)
      Artículo
      Acceso abierto
      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 comparative study of impairments aware optical networks planning tools 

      Azodolmolky, Siamak; Angelou, Marianna; Tomkos, Ioannis; Morea, Annalisa; Pointurier, Yvan; Solé Pareta, Josep (2010)
      Texto en actas de congreso
      Acceso abierto
      Transparent and translucent optical networks are widely considered as the prime candidates for the core network technology of the future. These networks provide ultra high speed end-to-end connectivity with high quality ...

    • A Monte Carlo method for solving the electromagnetic scattering problem in dielectric bodies with massive parallelization 

      López Menchón, Héctor; Rius Casals, Juan Manuel; Úbeda Farré, Eduard; Heldring, Alexander (Unión Científica Internacional de Radio (URSI), 2021)
      Texto en actas de congreso
      Acceso restringido por política de la editorial
      In this work, we develop a novel Monte Carlo method for solving the electromagnetic scattering problem. The method is based on a formal representation of the solution as a modified Born series whose coefficients are found ...

    • A performance lower bound for quadratic timing recovery accounting for the symbol transition density 

      Riba Sagarra, Jaume (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2004-11-30)
      Artículo
      Acceso abierto
      The symbol transition density in a digitally modulated signal affects the performance of practical synchronization schemes designed for timing recovery. This paper focuses on the derivation of simple performance limits for ...

    • A practical approach to the operation of telecommunication services driven by the TMF eTOM Framework 

      Jiejin, Hou (Universitat Politècnica de Catalunya, 2009-09-04)
      Projecte Final de Màster Oficial
      Acceso abierto
      Nowadays, the gap between data communications and telecommunications disappears rapidly, which leads to augment of the complexity and size of supporting networks. This calls for the software developers to embrace a new ...

    • A Spectrum selection framework for opportunistic networks 

      Moessner, Klaus; Pérez Romero, Jordi; Sallent Roig, Oriol; Bouali, Faouzi; Sarvanko, Heli; Mustonen, Miia; Matinmikko, Marja; Lee, Haeyoung; Vahid, Seiamak (IIMC International Information Management Corporation Ltd, 2012)
      Comunicación de congreso
      Acceso abierto
      This paper presents a framework for including cognitive management functionalities in the spectrum selection process for Opportunistic Networks (ONs).The framework is based on a decision making functionality interacting ...

    • Adaptive optics without wave-front sensor using the APHEFIS (Adaptive Optics by Phase Estimation from Focal Intensity Speckles) algorithm 

      Muñoz Fuentes, Manuel (Universitat Politècnica de Catalunya, 2012-07-19)
      Proyecto/Trabajo final de carrera
      Acceso abierto
      [ANGLÈS] Compensation of the distorsions introduced to the optical wavefronts by the atmosphere using the algorithm APHEFIS, developed by Dr. Dirk Giggenbach.

    • An analytical model for multi-tenant radio access networks supporting guaranteed bit rate services 

      Vilà Muñoz, Irene; Sallent Roig, Oriol; Umbert Juliana, Anna; Pérez Romero, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2019-01-01)
      Artículo
      Acceso abierto
      Network slicing is a key feature of forthcoming fifth generation (5G) systems to facilitate the partitioning of the network into multiple logical networks customized according to different business and application needs. ...

    • An image processing approach for corticospinal neuron mapping 

      Alsina Torra, Adrià (Universitat Politècnica de Catalunya, 2022-02-08)
      Projecte Final de Màster Oficial
      Acceso abierto
      The brain and the spinal cord that extends from it makes up the central nervous system whose main function is to transmit signals between the brain and the rest of the body. In this way, the nervous system's activity ...

    • Analysis of soil moisture impact on underground measurements 

      Abella Agelet, Enric (Universitat Politècnica de Catalunya, 2020-07)
      Trabajo final de grado
      Acceso abierto
      Technology is taking steps forward on transmitting data over a network without requiring human-to-human or human-to-computer interaction, which is known as Internet of Things (IoT). This thesis is focused on implementing ...

    • Analysis of techniques for traffic optimization over satellite backhauling links 

      González Polo, Alvaro (Universitat Politècnica de Catalunya, 2013-10-21)
      Proyecto/Trabajo final de carrera
      Acceso abierto
      [ANGLÈS] In certain situations the operation of mobile operator infrastructure can be affected by natural disasters such as hurricanes, fires or earthquakes. This fact hinders optimum coordination of rescue actions and ...

    • Analysis of the NB-IoT technology towards massive machine type communication 

      Serra i Lidón, Pol (Universitat Politècnica de Catalunya, 2018-02)
      Trabajo final de grado
      Acceso abierto
      Realizado en/con:   Università degli studi di Roma "La Sapienza"
      The Internet of Things (IoT), is going to redefine the way people interact with each other and with the objects that surround them. Within the IoT scope, LPWA radio technologies have emerged as a solution for the design ...

    • Análisis del sincronismo de portadora mediante series de Volterra 

      Agustí Comes, Ramon; Junyent Giralt, Gabriel (1980)
      Texto en actas de congreso
      Acceso abierto
      Computing the exact carrier phase-jitter delivered from the recovery circuit in a QPSK-TDMA satellite system is cumbersome and has not been sufficiently investigated due to the analytical difficulties with the non linearities. ...

    • ASCETiC: adapting service lifeCycle towards efficienT clouds 

      Juan Ferrer, Ana; Garcia Perez, David; Agiatzidou, Eleni; Lordan Gomis, Francesc-Josep; Ejarque, Jorge; Sirvent, Raul; Badia Sala, Rosa Maria; Guitart Fernández, Jordi; Ortiz, David; Macías Lloret, Mario; Deprez, Jean-Christophe; Ponsard, Christophe; Temporale, Christian; Panuccio, Pasquale; Sommacampagna, Davide; Blasi, Lorenzo; Djemame, Karim; Armstrong, Django; Kammer, Michael (SCITEPRESS, 2014-04)
      Capítulo de libro
      Acceso restringido por política de la editorial
      Reducing energy consumption is increasingly gaining attention in the area of Cloud computing, as means to reduce costs and improve corporate sustainability image. ASCETiC is focused on providing novel methods and tools to ...

    • Assembly verification integration and testing of the payload and communications system of the 3CAT-4 cubesat 

      Gonga Siles, Amadeu (Universitat Politècnica de Catalunya, 2020-09)
      Trabajo final de grado
      Acceso abierto
      Los nanosatélites han experimentado un importante crecimiento en estos últimos años desde que fueron estandarizados en 2000. El UPC-NanoSat Lab, que se encuentra en el Campus Nord de la Universidad Politécnica de Cataluña, ...

    • Audition afr-ix telecom network 

      Guàrdia Sabartés, Pau (Universitat Politècnica de Catalunya, 2021-07-06)
      Trabajo final de grado
      Acceso abierto
      In this project, an audit system of the inventory application of the company, named CROSS, has been develop. The system is based on comparing the database of the application with a database created on purpose of the project, ...

    • Automated issue detection in operational ATN/VDL mode 2 Networks 

      Altisent Álvarez, Francesc (Universitat Politècnica de Catalunya, 2009-07)
      Projecte Final de Màster Oficial
      Acceso restringido por acuerdo de confidencialidad

    • Automatic design of matching networks for antenna boosters 

      Viñas I Bergós, Marc (Universitat Politècnica de Catalunya, 2022-07-13)
      Projecte Final de Màster Oficial
      Acceso restringido por acuerdo de confidencialidad

    • Autonomous receiver: symbol-rate and modulation classification algorithms 

      Blasco Moreno, Pol (Universitat Politècnica de Catalunya, 2009-03-04)
      Proyecto/Trabajo final de carrera
      Acceso abierto

    • Avaluació del rendiment a nivell de xarxa en transmissions d'ones mil·limètriques amb efectes de bloqueig 

      Ballester Falcó, Berta (Universitat Politècnica de Catalunya, 2022-07-05)
      Trabajo final de grado
      Acceso abierto
      With the arrival of 5G networks, higher frequencies need to be used at the mmWave bands in order to find available and broad enough spectral bands. At these high frequencies, with very short wavelengths, any obstacle between ...