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Listar por autor "López Sánchez, Jaime"

Mostrando ítems 1-9 de 9

Combined Time and Space Diversity: Mobile Reception in DVB-T and DVB-T2 Systems

Gozálvez Serrano, David; López Sánchez, Jaime; Gómez Barquero, David; Giménez Gandia, Jordi Joan; Cardona Marcet, Narciso (2012-12)

The simultaneous delivery of fixed and mobile services in digital terrestrial TV (DTT) networks is a very attractive concept, as it allows the reuse of content, spectrum, and infrastructure. However, the provision of mobile ...
Frequency and Network Planning and Optimization of the Digital Terrestrial Television DVB-T2 Networks in Colombia

Gómez Barquero, David; López Sánchez, Jaime; Martínez Pinzón, Gerardo; Ribadeneira Ramírez, Jefferson Alexander; Garro Crevillén, Eduardo; García Pardo, Concepción; Fuentes Muela, Manuel; Cardona Marcet, Narciso (Instituto de Telecomunicaciones y Aplicaciones Multimedia (ITEAM), 2014)

[EN] In December 2011, Colombia updated its national Digital Terrestrial Television (DTT) standard from DVB-T to DVBT2, the second-generation European DTT standard. DVBT2 is the current state-of-the art DTT system in the ...
Modelos de Propagación Radio para Redes de TDT Móvil en la Banda UHF

Giménez Gandia, Jordi Joan; López Sánchez, Jaime; Gómez Barquero, David; Cardona Marcet, Narciso (Universidad ICESI, 2011)

[EN] This article studies the suitability of different radio propagation models for the deployment of mobile TV networks over the UHF band. Accurate signal propagation modelling is key for mobile DTT network planning in ...
On the Provisioning of Mobile Digital Terrestrial TV Services to Vehicles with DVB-T

López Sánchez, Jaime; Gomez-Barquero, David; Gozálvez Serrano, David; Cardona Marcet, Narciso (Institute of Electrical and Electronics Engineers (IEEE), 2012-12)

[EN] Most of the DVB-T (Digital Video Broadcasting -Terrestrial) networks deployments worldwide have been designed for fixed rooftop antennas and high transmission capacity, not providing good coverage level for vehicular ...
On Transmitting of Global and Local Contents within DVB-T Single Frequency Networks

López Sánchez, Jaime; Romero Ruescas, Carlos; Gómez Barquero, David; Cardona Marcet, Narciso (Institute of Electrical and Electronics Engineers (IEEE), 2011-07)

Current broadcast digital networks make use of either a Single Frequency Network (SFN) or a Multi Frequency Network (MFN). None of these networks topologies is ideally suited for delivery of both global and local services ...
Optimization of DVB-T Networks for the Provision of Local and Mobile Services

López Sánchez, Jaime; Romero Ruescas, Carlos; Gómez Barquero, David; Cardona Marcet, Narciso (Instituto de Telecomunicaciones y Aplicaciones Multimedia (ITEAM), 2011)

[EN] Nowadays, the main standard around the world for digital terrestrial TV broadcasting is Digital Video Broadcast - Terrestrial (DVB-T). Most of DVB-T networks deployments have been designed for fixed rooftop antennas ...
Planificación de redes TDT DVB-T con servicios fijos y moviles para Colombia

López Sánchez, Jaime; Cardona Marcet, Narciso (Universitat Politècnica de València, 2013-06-18)

[ES] En esta tesina se describe la planificación de una red de Televisión Digital Terrestre (TDT) para Colombia, contemplando desde la fase de diseño la prestación de servicios móviles a sistemas de transporte público. Se ...
Technical Solutions for Local Service Insertion in DVB-NGH Single Frequency Networks

López Sánchez, Jaime; Zöllner, Jan; Atungsiri, Samuel; Stare, Erik; Gómez Barquero, David (Institute of Electrical and Electronics Engineers (IEEE), 2014-06)

Current digital terrestrial television networks make use of either single frequency networks (SFN) or multifrequency networks (MFN). These network topologies are not ideally suited for delivery of both global and local ...
Transmisión Eficiente de Servicios Fijos/Móviles y Servicios Locales en Redes de Televisión Digital Terrestre de Primera y Segunda Generación

López Sánchez, Jaime (Universitat Politècnica de València, 2014-01-27)

El objetivo principal del proyecto de tesis doctoral es proponer y evaluar soluciones técnicas compatibles con la familia de estándares DVB diseñados para redes TDT que permitan por un lado, la transmisión simultánea de ...