TX preemphasis filter and TX power control based high speed two

Details TX preemphasis filter and TX power control based high speed two TX preemphasis filter and TX power control based high speed two

1995-02-23

1995-10-31

Chin, Stephen

Pulse or digital communications

Transceivers

Modems

375296, 370 321, H04L 516

Patent

active

054636612

ABSTRACT:
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.

REFERENCES:
patent: 4887278 (1989-12-01), Gupta
patent: 4924492 (1990-05-01), Gitlin et al.
patent: 5029167 (1991-07-01), Arnon et al.
patent: 5163044 (1992-11-01), Golden
patent: 5317596 (1994-05-01), Ho et al.
patent: 5329495 (1994-06-01), Shenoi et al.
patent: 5396519 (1995-03-01), Betts et al.

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