Communication channel capacity estimation

Details Communication channel capacity estimation Communication channel capacity estimation

H - Electricity

04

B

H04B 3/46 (2006.01) H04B 3/48 (2006.01)

Patent

CA 2554837

Prediction of a channel capacity is accomplished based on a TDR echo without explicitly estimating the topology of the line. The prediction is based on obtaining a measured TDR echo, determining a theoretical TDR echo for a plurality of loop lengths, estimating the equivalent TDR length based on an optimization, updating the equivalent TDR length and utilizing the updated TDR length to predict one or more of the upstream and downstream data rates.

La prédiction de la capacité d'une voie de communication repose sur un écho TDR, sans estimation explicite de la topologie de la ligne. La prédiction consiste à: obtenir un écho TDR mesuré; déterminer un écho TDR théorique pour une pluralité de longueurs de boucles; estimer la longueur TDR équivalente sur la base d'une optimisation; mettre à jour la longueur TDR équivalente et utiliser la longueur TDR ainsi mise à jour pour prédire au moins un débit de données amont ou aval.

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