Turbo Equalization
Mostrando 1-3 de 3 artigos, teses e dissertações.
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1. New proposals for optmization of digital TV receivers based on OFDM in regional single frequency network environments / Novas propostas para otimização de receptores de TV digital baseados em OFDM em ambientes de redes de frequencia unica regionais
This thesis deals with the optimization of Digital TV receivers based on OFDM, with performance evaluation in regional single frequency networks (SFN). Such environment facilitates the channel distribution, however its characteristics degrade the receiver operation. Initially, projects of loop canceller filters in relay stations are treated, and they are nec
Publicado em: 2007
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2. Um Esquema de Equalização Turbo Aplicando Decodificação Turbo de Códigos Produto de Paridade Simples Multidimensionais / Turbo Equalization Using Single Parity Check Codes / Um Esquema de Equalização Turbo Aplicando Decodificação Turbo de Códigos Produto de Paridade Simples Multidimensionais / Turbo Equalization Using Single Parity Check Codes
Combining existing blocks in a novel way, a turbo equalizer structure is proposed here for fixed multipath channels. The existing combined turbo equalization with turbo decoding make a complete turbo iteration in the turbo decoder at each turbo equalizer iteration. The proposed scheme here uses a single component decoder of a block turbo code. At each iterat
Publicado em: 2005
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3. Tecnicas autodidatas e soluções de baixa complexidade para equalização e estimação turbo
This work concerns the use of iterative receivers, which jointly perform equalization, decoding and channel estimation, to mitigate the impairments introduced by the transmission medium into the transmitted signal. First, we make a comparative study of exponential-and reduced-complexity turbo equalizers and establish the advantages and the limitations of eac
Publicado em: 2005