H - Electricity – 04 – M
Patent
H - Electricity
04
M
H04M 3/18 (2006.01) H04L 25/02 (2006.01) H04M 3/30 (2006.01) H04M 11/06 (2006.01)
Patent
CA 2169929
The present invention provides a pre-emphasis selection method, digital signal processing module and digital communication system that use computations based on channel spectrum measurements for efficient, non-complex determination of a pre-emphasis filter index. By avoiding the complex computations, a near optimal selection of a pre- emphasis filter with robust performance is achieved with relatively simple calculations.
L'invention concerne un procédé de sélection de préaccentuation, un module de traitement de signaux numériques ainsi qu'un système de communication numérique dans lesquels on utilise des calculs basés sur les mesures du spectre de la voie afin de déterminer de manière efficace et non complexe un index (102) de filtre de préaccentuation. En évitant les calculs complexes et en utilisant des calculs (104, 106) relativement simples, on parvient à une sélection à peu près optimale d'un filtre de préaccentuation aux caractéristiques robustes.
Gowling Lafleur Henderson Llp
Motorola Inc.
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