Identificador persistente para citar o vincular este elemento: http://hdl.handle.net/10553/49284
Título: Self-improved error reference for adaptive echo cancellation in full-duplex baseband data communications
Autores/as: Paez-Borrallo, Jose M.
Perez Alvarez, Ivan A. 
Clasificación UNESCO: 3325 Tecnología de las telecomunicaciones
Palabras clave: Echo cancellers
Data communication
DSL
Convergence
Telecommunication standards, et al.
Fecha de publicación: 1993
Publicación seriada: Proceedings - ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing 
Resumen: A novel adaptive echo canceller for baseband data communications working with PAM (pulse-amplitude-modulated) signals is presented. The goal is to take advantage of the prior knowledge of the signal statistic to improve the error reference of the adaptive algorithm in situations of an advanced convergence state. In these cases, when the incoming signal level is clearly above the residual echo level, the adaptive algorithm cannot correctly 'see' the right error reference, the residual echo, thus slowing down the convergence. The authors use a strategy to self-cancel the masking effect produced by the incoming signal that speeds up the overall convergence of the algorithm. A modified LMA (least mean absolute) algorithm is used to keep the computational burden low.
URI: http://hdl.handle.net/10553/49284
ISBN: 0780309464
ISSN: 0736-7791
Fuente: Proceedings - ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing[ISSN 0736-7791],v. 3
Colección:Actas de congresos
miniatura
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