High speed modem and method for expedited timing recovery

Details High speed modem and method for expedited timing recovery High speed modem and method for expedited timing recovery

1995-07-28

1998-08-04

Vo, Don N.

Pulse or digital communications

Transceivers

Modems

375226, 375371, 375376, 370516, H04B 138, H04L 516

Patent

active

057905940

ABSTRACT:
The modem (300, 400) and method (700) of the present invention minimize the time required for the timing tracking system for phase lock loops in high speed modems, thus aiding systems that have short convergence periods in training. The present invention shortens the time for PLL convergence by initializing the PLL with values that approximate the actual timing frequency offsets.

REFERENCES:
patent: 4630314 (1986-12-01), Smith
patent: 4987569 (1991-01-01), Ling et al.
patent: 5048054 (1991-09-01), Eyuboglu et al.
patent: 5319636 (1994-06-01), Long et al.

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