Browsing by Subject "Telecommunication systems"
Now showing items 1-20 of 85
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A centrality-based topology control protocol for wireless mesh networks
(Elsevier, 2015-01-01)
Article
Open AccessNodes 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
(2010)
Conference report
Open AccessTransparent 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 ... -
Adaptive optics without wave-front sensor using the APHEFIS (Adaptive Optics by Phase Estimation from Focal Intensity Speckles) algorithm
(Universitat Politècnica de Catalunya, 2012-07-19)
Master thesis (pre-Bologna period)
Open Access[ANGLÈS] Compensation of the distorsions introduced to the optical wavefronts by the atmosphere using the algorithm APHEFIS, developed by Dr. Dirk Giggenbach. -
Análisis del sincronismo de portadora mediante series de Volterra
(1980)
Conference report
Open AccessComputing 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. ... -
Analysis of techniques for traffic optimization over satellite backhauling links
(Universitat Politècnica de Catalunya, 2013-10-21)
Master thesis (pre-Bologna period)
Open Access[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
(Universitat Politècnica de Catalunya, 2018-02)
Bachelor thesis
12 months embargo
Covenantee: 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 ... -
A performance lower bound for quadratic timing recovery accounting for the symbol transition density
(IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2004-11-30)
Article
Open AccessThe 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
(Universitat Politècnica de Catalunya, 2009-09-04)
Master thesis
Open AccessNowadays, 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 ... -
ASCETiC: adapting service lifeCycle towards efficienT clouds
(SCITEPRESS, 2014-04)
Part of book or chapter of book
Restricted access - publisher's policyReducing 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 ... -
A Spectrum selection framework for opportunistic networks
(IIMC International Information Management Corporation Ltd, 2012)
Conference lecture
Open AccessThis 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 ... -
Automated issue detection in operational ATN/VDL mode 2 Networks
(Universitat Politècnica de Catalunya, 2009-07)
Master thesis
Restricted access - confidentiality agreement -
Autonomous receiver: symbol-rate and modulation classification algorithms
(Universitat Politècnica de Catalunya, 2009-03-04)
Master thesis (pre-Bologna period)
Open Access -
Baetulo XXI: Sistemes de telecomunicació
(2008-03-07)
Audiovisual
Open Access -
Blind channel estimation and data detection using hidden Markov models theory
(IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 1997-01-01)
Article
Open AccessIn this correspondence, we propose applying the hidden Markov models (HMM) theory to the problem of blind channel estimation and data detection. The Baum–Welch (BW) algorithm, which is able to estimate all the parameters ... -
Calidad en el servicio de las operadoras de Telecomunicaciones en su red fija
(Universitat Politècnica de Catalunya, 2017-03)
Master thesis (pre-Bologna period)
Restricted access - author's decisionAccomplishment of a study on the quality the different operators. Systems that have someone of these operators to control and to manage your ratios of quality. Offer of indicators to following for the improvement the ... -
Capacity analysis of index modulations over spatial, polarization and frequency dimensions
(2017-08-23)
Article
Open AccessIEEE Determining the capacity of a modulation scheme is a fundamental topic of interest. Index Modulations (IM), such as Spatial Modulation (SMod), Polarized Modulation (PMod) or Frequency Index Modulation (FMod), are ... -
Demonstrating communication services based on autonomic self-organization
(Universitat Politècnica de Catalunya, 2013-12)
Master thesis (pre-Bologna period)
Open Access[ANGLÈS] This thesis analyses the applicability of autonomic and self-organization capabilities in the execution of ICT services in distributed environments. Autonomicity is one of the key technologies able to address such ... -
Desarrollo de recursos relacionados con las Tecnologías de la Información y la Comunicación en el ámbito universitario de Etiopía: el caso de la Wollo University
(Universitat Politècnica de Catalunya, 2011-06-07)
Master thesis (pre-Bologna period)
Open Access
Covenantee:El present Projecte Final de Carrera es basa en el desenvolupament d'infraestructura i serveis per a la millora dels recursos relacionats amb les Tecnologies de la Informació i la Comunicació (TIC) en l'àmbit universitari. ... -
Desenvolupament de codis d'anàlisi de la dispersió electromagnètica deguda a blancs RADAR molt petits
(Universitat Politècnica de Catalunya, 2010-02-05)
Bachelor thesis
Open Access -
Design and implementation of an OFDM-based communication system for the GNU Radio platform
(Universitat Politècnica de Catalunya, 2011-04-19)
Master thesis (pre-Bologna period)
Open AccessCatalà: El processament de senyal en temps real mitjançant software és un camp que s'està expandint molt gràcies a la capacitat de processament dels ordinadors actuals. L'objectiu d'aquest treball ha estat el disseny i la ...
