Exploració per tema "Radiofreqüència"
Ara es mostren els items 41-60 de 215
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coverage study and characterisation of 5g nr/lte/nb-iot networks with drive testing equipment
(Universitat Politècnica de Catalunya, 2023-01-31)
Treball Final de Grau
Accés obertMobile communications networks are a basic infrastructure of our society and, therefore, a fundamental area of study in the context of Telecommunications Engineering. ETSETB provides different subjects related to mobile ... -
CPICH power optimization for MIMO HSDPA networks
(Universitat Politècnica de Catalunya, 2009-04-15)
Projecte/Treball Final de Carrera
Accés obertThe increasing demand of bandwidth from new network services has reached mobile technologies. Multiple-input multiple-output (MIMO) High-speed downlink packet access (HSDPA) can be the answer to this demand, being able ... -
Data transmission through Radio over Fiber Links
(Universitat Politècnica de Catalunya, 2023-02-02)
Treball Final de Grau
Accés obertThis document explains the principle of operation and implementation, via software, of a RoF system and how to assemble the radio frequency part through laboratory equipment. -
Demonstration of continuous multiple access with image-rejection coherent receiver and DML transmitters
(Institute of Electrical and Electronics Engineers (IEEE), 2022)
Text en actes de congrés
Accés restringit per política de l'editorialWe demonstrate a UD-WDM PON using DML transmitters with multilevel intensity modulation, both in base-band and RF, and a spectrally-efficient heterodyne receiver. We provide comparison with a homodyne receiver. Two users ... -
Demostrador del guiado de señales de radiofrecuencia
(Universitat Politècnica de Catalunya, 2020-11-30)
Treball Final de Grau
Accés restringit per decisió de l'autorIn this work, signal transmission has been studied at the practical level through a series of experiments. The experiments are described in a relatively simple way, with the aim of understanding how a wave front propagates ... -
Desarrollo de una aplicación basada en RF mediante microcontroladores programados en Python
(Universitat Politècnica de Catalunya, 2015-09)
Treball Final de Grau
Accés obertEn este trabajo de fin de grado se ha llevado a cabo el diseño una aplicación basada en lenguaje Python que permite establecer una comunicación por Radio Frecuencia (RF) entre un microcontrolador (Pyboard con MicroPython) ... -
Desenvolupament d'un mètode de mesura de senyals transitòries radiades per avaluar la immunitat de sistemes de comunicació digitals.
(Universitat Politècnica de Catalunya, 2009-06-22)
Projecte/Treball Final de Carrera
Accés obert -
Desenvolupament de mesures avançades de senyals RF per processat digital
(Universitat Politècnica de Catalunya, 2019-07-03)
Treball Final de Grau
Accés restringit per acord de confidencialitat -
Design a MIMO solution for 4G applications with Virtual Antenna™ Technology
(Universitat Politècnica de Catalunya, 2018-07)
Treball Final de Grau
Accés restringit per decisió de l'autorWith the antenna provided by the company, design a MIMO solution for 4G applications in a platform with similar dimensions of current mobile phones. -
Design and construction of a laboratory prototype of an intelligent display stand based on RFID technology
(Universitat Politècnica de Catalunya, 2008-11-24)
Projecte Final de Màster Oficial
Accés restringit per decisió de l'autorThe intelligent display stand is a product based in pervasive computing technologies embedded in the environment in a non-intrusive way. To do this it is necessary to use “invisible” devices that are unnoticed and connected ... -
Design and fabrication of coplanar YBCO structures on lithium niobate substrates
(1999-06)
Article
Accés obertYBa/sub 2/Cu/sub 3/O/sub 7-/spl delta// (YBCO) with low RF losses has been successfully deposited onto lithium niobate (LNO) to improve the performance of electrooptic Mach-Zender modulators. Epitaxial, c-axis oriented ... -
Design and implementation of a RFI monitoring payload for the 5G 24 GHz bands for poketqubes
(Universitat Politècnica de Catalunya, 2022-07-05)
Treball Final de Grau
Accés restringit per acord de confidencialitatThe project developed in this thesis consists of creating a PocketQube payload in charge of monitoring the 24 to 25 GHz band to enforce that the emissions of the 5G communications band are within limit. In this thesis, the ... -
Design and manufacture: graphene UHF TAG RFID for running races
(Universitat Politècnica de Catalunya, 2020-08)
Treball Final de Grau
Accés restringit per acord de confidencialitat -
Design and practical evaluation of an LED driver circuit for a software defined visible light communication system
(Universitat Politècnica de Catalunya, 2021-06-01)
Projecte Final de Màster Oficial
Accés restringit per decisió de l'autor -
Design and stochastic analysis of emerging large-scale wireless-powered sensor networks
(Universitat Politècnica de Catalunya, 2017-11-13)
Tesi
Accés obertUndeniably, the progress in wireless networks during the last two decades is extraordinary. However, the ever-increasing upward trend in the numbers of wireless devices that will overwhelm every field of our everyday life, ... -
Design of a 5G Antenna System for the Next Generation of Vehicular Communications
(Universitat Politècnica de Catalunya, 2023-02-02)
Treball Final de Grau
Accés restringit per acord de confidencialitatIn this Final Thesis Report, an antenna system that operates in the Sub-6 GHz spectrum for future 5G New Radio (5G NR) applications has been proposed. After studying the latest technologies in mobile communication and the ... -
Design of a RF communication receiver front-end for ultra-low power and voltage applications in a FDSOI 28nm technology
(Universitat Politècnica de Catalunya, 2019-05-31)
Projecte Final de Màster Oficial
Accés obertThe advances in the semiconductor and wireless industry have enabled the expansion of new paradigms, which have given rise to concepts like Internet of Things (IoT). Apart from qualities like size, speed or cost, the ... -
Design of a RF optimization tool for UMTS
(Universitat Politècnica de Catalunya, 2010-10-29)
Projecte Final de Màster Oficial
Accés restringit per decisió de l'autorThe main objective of this Master Thesis is the development of an optimization algorithm from a theoretical point of view for UMTS. The objective of the optimization is to ensure the coverage at maximum number of users ... -
Design of a synchronous superregenerative receiver at 2.4 GHz
(2003-06)
Report de recerca
Accés obertEn aquest treball es descriu el procés de disseny i avaluació d'un receptor superregeneratiu per a la banda ISM de 2.4 GHz. El receptor utilitza un nou mode de funcionament en el qual el senyal d'extinció opera síncronament ... -
Design of antennas for RFID applications in retail sector
(Universitat Politècnica de Catalunya, 2010-12-14)
Projecte Final de Màster Oficial
Accés restringit per decisió de l'autor