Tx preemphasis filter and tx power control based high speed...

Details Tx preemphasis filter and tx power control based high speed... Tx preemphasis filter and tx power control based high speed...

H - Electricity

04

L

H04L 5/14 (2006.01) H04B 3/04 (2006.01) H04B 3/23 (2006.01) H04L 27/00 (2006.01)

Patent

CA 2187645

A two-wire modem (200, 500, 600) and a method (1000, 1100) select a carrier frequency and a symbol rate from a predetermined plurality of carrier frequencies and symbol rates to communicate with another modem over a communication media in a full duplex mode based on signal and echo characteristics of the communication media estimated by the modem.

L'invention concerne un modem à deux fils (200, 500, 600) et un procédé (1000, 1100) pour sélectionner une fréquence porteuse et un débit de symboles à partir d'une pluralité prédéterminée de fréquences porteuses et de débits de symboles, pour communiquer avec un autre modem, par un support de communication en mode duplex complet, en fonction des caractéristiques des signaux et de l'écho du support de communication, estimés par le modem.

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