Anais De XXXV Simpósio Brasileiro De Telecomunicações E Processamento De Sinais 2017
DOI: 10.14209/sbrt.2017.140
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Decodificação de Viterbi para Codificação Wavelet de Canal

Abstract: Resumo-A codificação wavelet de canal objetiva reduzir efeitos deletérios de canal de comunicação sem fio sobre um sinal transmitido e emprega comumente uma decodificação símbolo a símbolo. Este trabalho investiga o emprego de decodificador de Viterbi para códigos wavelet e compara, em termos da taxa de erro de bits, o desempenho do sistema operando sobre canal com desvanecimento Rayleigh, quando aplicada a decodificação de Viterbi, em relação à decodificação tradicional. Os resultados de simulação demonstrara… Show more

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“…A sequential decoding must take greater advantage of that and yield a better performance for a longer constraint length. This fact was verified in [16] with the employment of a Viterbi decoder. Future works shall verify it for other sequential decoders, as the Fano algorithm and the M -algorithm.…”
Section: A Performance Of Wcc Systemsmentioning
confidence: 68%
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“…A sequential decoding must take greater advantage of that and yield a better performance for a longer constraint length. This fact was verified in [16] with the employment of a Viterbi decoder. Future works shall verify it for other sequential decoders, as the Fano algorithm and the M -algorithm.…”
Section: A Performance Of Wcc Systemsmentioning
confidence: 68%
“…By inspection in (16), one observe that each wavelet symbol y n is derived from a linear combination of mgR input symbols weighted by coefficients Example 2 (WCC 2 × 8 with R = 1): Consider the wavelet coding matrix in (6). Table II presents the encoding process and Fig.…”
Section: B Channel Modelmentioning
confidence: 99%
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