Data transmission

Details Data transmission Data transmission

1996-09-10

2000-07-25

Tsang, Fan

Pulse or digital communications

Receivers

Automatic baseline or threshold adjustment

370292, 371 371, 371 379, H04L 2506

Patent

active

060944617

ABSTRACT:
A transmitter (20) having means (206, 207) to encode an input signal to form coded data, each element of said coded data having one of at least two discrete signal magnitude levels, the encoding means including in the coded data a periodic training sequence of data (T); and a receiver (30) to receive the coded data and, on the basis of the received training sequence, to adapt a threshold or thresholds to allow the discrete levels to be distinguishable from each other. The training sequence T may comprise a plurality of elements at least one of which, in turn, represents each one of the discrete signal levels. The receiver generates a look-up-table to store the adapted thresholds.

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