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Previous issue date: 2011-03-31 / This work treats of an implementation OFDMA baseband processor in hardware
for LTE Downlink. The LTE or Long Term Evolution consist the last stage of
development of the technology called 3G (Mobile System Third Generation) which
offers an increasing in data rate and more efficiency and flexibility in transmission with
application of advanced antennas and multiple carriers techniques. This technology
applies in your physical layer the OFDMA technical (Orthogonal Frequency Division
Multiple Access) for generation of signals and mapping of physical resources in
downlink and has as base theoretical to OFDM multiple carriers technique (Orthogonal
Frequency Division Multiplexing). With recent completion of LTE specifications,
different hardware solutions have been developed, mainly, to the level symbol
processing where the implementation of OFDMA processor in base band is commonly
considered, because it is also considered a basic architecture of others important
applications. For implementation of processor, the reconfigurable hardware offered by
devices as FPGA are considered which shares not only to meet the high requirements of
flexibility and adaptability of LTE as well as offers possibility of an implementation
quick and efficient. The implementation of processor in reconfigurable hardware meets
the specifications of LTE physical layer as well as have the flexibility necessary for to
meet others standards and application which use OFDMA processor as basic
architecture for your systems. The results obtained through of simulation and
verification functional system approval the functionality and flexibility of processor
implemented / Esta disserta??o trata da implementa??o de um processador banda base em
hardware para Downlink LTE. O LTE ou Long Term Evolution compreende o ?ltimo
est?gio de desenvolvimento das tecnologias chamadas de 3G (Telefonia M?vel de
Terceira Gera??o) que prov? um incremento nas taxas de dados e maior efici?ncia e
flexibilidade na transmiss?o com emprego de t?cnicas avan?adas de antenas e de
t?cnicas de transmiss?o de m?ltiplas portadoras. Esta tecnologia aplica em sua camada
f?sica a t?cnica OFDMA (Orthogonal F requency Division Multiple Access) para
gera??o de sinais e mapeamento dos recursos f?sicos no downlink e tem como base
te?rica ? t?cnica de m?ltiplas portadoras OFDM (Orthogonal Frequency Division
Multiplexing). Com recente finaliza??o das especifica??es da tecnologia LTE, diversas
solu??es em hardware tem sido propostas e desenvolvidas, principalmente, ao n?vel de
processamento de s?mbolo em que a implementa??o do processador OFDMA em banda
base ? comumente considerada, visto que ela ? tamb?m considerada como arquitetura
b?sica de outras importantes aplica??es. Para implementa??o do processador, hardwares
reconfigur?veis oferecidos por dispositivos como FPGA s?o considerados que visa n?o
s? atender os altos requisitos de flexibilidade e adaptabilidade do LTE como tamb?m
oferecem a possibilidade de uma implementa??o r?pida e eficiente. A implementa??o do
processador em hardware reconfigur?vel atendeu as especifica??es da camada f?sica
LTE bem como se mostrou flex?vel o suficiente para atender outros padr?es e
aplica??es que utilizem o processador OFDMA como arquitetura b?sica de seus
sistemas. Os resultados obtidos atrav?s de simula??o e verifica??o funcional do sistema
atestam a funcionalidade e a flexibilidade do processador implementado
| Identifer | oai:union.ndltd.org:IBICT/oai:repositorio.ufrn.br:123456789/15355 |
| Date | 31 March 2011 |
| Creators | Silva, Bruno Leonardo Mendes Tavares |
| Contributors | CPF:43728090425, http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4780113E2, Cavalcanti, Antonio Carlos, CPF:77836685853, http://lattes.cnpq.br/0175462550826005, Oliveira, Jos? Alberto Nicolau de, CPF:09612890404, http://lattes.cnpq.br/2871134011057075, Silva, Ivan Saraiva |
| Publisher | Universidade Federal do Rio Grande do Norte, Programa de P?s-Gradua??o em Engenharia El?trica, UFRN, BR, Automa??o e Sistemas; Engenharia de Computa??o; Telecomunica??es |
| Source Sets | IBICT Brazilian ETDs |
| Language | Portuguese |
| Detected Language | English |
| Type | info:eu-repo/semantics/publishedVersion, info:eu-repo/semantics/masterThesis |
| Format | application/pdf |
| Source | reponame:Repositório Institucional da UFRN, instname:Universidade Federal do Rio Grande do Norte, instacron:UFRN |
| Rights | info:eu-repo/semantics/openAccess |
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