Pulse or digital communications – Apparatus convertible to analog
Patent
1993-11-15
1996-04-09
Brinich, Stephen
Pulse or digital communications
Apparatus convertible to analog
370 20, H04J 1100
Patent
active
055068669
ABSTRACT:
In a simultaneous voice and data communication system, a stream of signal points is partitioned into a plurality of symbol blocks, each symbol block including a data segment and a control segment. The data segment carries information from a user, i.e., user data, while the control segment provides control information. A voice signal is then added to at least a portion, or all, of the signal points of each symbol block to provide for simultaneous voice and data transmission to an opposite endpoint. The control information may represent information from a secondary data source, and/or may include information about the characteristics of the succeeding block, e.g., the user data rate, and information pertaining to characteristics of the communications channel.
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Bremer Gordon
Holmquist Kurt E.
Ko Kenneth D.
Souders Keith A.
AT&T Corp.
Brinich Stephen
Opalach J. J.
Trainor J. J.
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