Method and apparatus for a DMT transmitter having a data for mat

Details Method and apparatus for a DMT transmitter having a data for mat Method and apparatus for a DMT transmitter having a data for mat

1995-01-26

1997-02-25

Chin, Stephen

Pulse or digital communications

Transmitters

375260, 370207, H04L 506, H04L 2736, H04J 1100

Patent

active

056065779

ABSTRACT:
In a communication system that utilizes DMT technology to couple a primary site (102) to a plurality of secondary sites (104-108), the primary site (102) and each of the secondary sites (104-108) includes a DMT transmitter. Such a DMT transmitter includes a discrete multi-tone encoder that receives an ordered data stream and produces an encoded data stream based on bit loading information, and a data formatter operably coupled to the discrete multi-tone encoder, wherein the data formatter receives transmit data entries and produces the ordered data stream based on carrier channel allocation information.

REFERENCES:
patent: 4731816 (1988-03-01), Hughes-Hartogs
patent: 4757495 (1988-07-01), Decker et al.
patent: 4980897 (1990-12-01), Decker et al.
patent: 5400322 (1995-03-01), Hunt et al.
J. M. Cioffi; "DMT Information Bus for Multidrop Interface on Existing Wiring;" Amati Communications Corporation; pp. 1-6 (Jun. 6, 1994).
T. Starr, et al.; The TIE1.4 Working Group; "Asymmetric Digital Subscriber Line (ADSL) Metallic Interface;" pp. 1-170 (Unpublished).

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