using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels

Introduced: July 1974

Last revised: January 2006

Full Title

Baseband systems > Synchronous or start-stop systems, e.g. for Baudot code > Transmitting circuits; Receiving circuits > using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels

Classification Context

Section:: ELECTRICITY
Class:: ELECTRIC COMMUNICATION TECHNIQUE
Subclass:: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION

2 direct subcodes

Child Classifications

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H04L 25/493 by transition coding, i.e. the time-position or direction of a transition being encoded before transmission
H04L 25/497 by correlative coding, e.g. partial response coding or echo modulation coding