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Biblos-e Archivo
Bachelor thesis . 2015
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Planificación de sistemas LTE en autopistas

Authors: Sancho Fernández, Andrea;

Planificación de sistemas LTE en autopistas

Abstract

LTE (Long Term Evolution) continúa la evolución de UMTS y tiene como objetivo aumentar los niveles de tasa binaria en sus enlaces para conseguir una mayor capacidad de servicio. En este Trabajo de Fin de Grado (TFG) se analiza la capacidad de enlaces de bajada o ‘downlink’ con tecnología LTE basada en OFDMA para una red celular compuesta por microceldas en autopistas. A lo largo del documento se estudiará el rendimiento de un modelo de propagación ‘two-slope’ para un sector de longitud R de una autopista, a determinar en el estudio, que cumpla así con los objetivos marcados de la capacidad del canal. Para un correcto análisis del sector se tendrá en cuenta que la tecnología celular hace uso de reutilización de frecuencias o ‘frecuency reuse’ que conllevará a que interfieran en nuestra señal interferencias de tipo ‘inter-carrier’ y ‘co-channel’ en mayor o menor medida dentro del sector. Finalmente se determinarán cuáles son las mejores combinaciones entre la tasa binaria del sector, sin contemplación de factores atenuantes, y la longitud del mismo para, en un futuro, proceder a un despliegue real. Los resultados teóricos incluirán la simulación de un sector completo de 1 km de longitud.

LTE continues the evolution of UMTS and its main target is to increase the binary rate levels in the connections in order to obtain a greater throughput. In this Final Project we have analyzed downlink connection capacity (with LTE technology based in OFDMA) for a cellular network in highways, composed by microcells. Throughout this paper we will study the efficiency of a propagation pattern of “two slopes” for an ‘R’ long sector of a highway. This length will be determined in the study in order to satisfy the requirements given by the capacity of the channel. In pursuance of a correct analysis, we must consider the frequency reuse in cellular technology, which will lead to an ‘inter-carrier’ and ‘co-channel’ interferences with more or less importance depending on the position in the sector. As a conclusion, the best combinations between binary rates in the sector (without taking into account attenuation factors) and its length will be determined, with the intention of a future application of the technology in real highways. The theoretical results will include a simulation of a 1km long complete sector.

Country
Spain
Related Organizations
Keywords

LTE (Telecomunicaciones), Telecomunicaciones

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green