Signal transmission apparatus and method

Details Signal transmission apparatus and method Signal transmission apparatus and method

2004-06-03

2008-03-04

Corrielus, Jean B (Department: 2611)

Pulse or digital communications

Transmitters

Antinoise or distortion

Reexamination Certificate

active

07340005

ABSTRACT:
A signal transmission apparatus comprises a plurality of look-up tables (LUTs) corresponding to operation areas of a nonlinear transmission device, an operational characteristic calculator, a LUT selector, and a predistorter. The LUTs are adapted to store gain values of input signal magnitudes. The LUT selector selects a LUT corresponding to a calculated operational characteristic. The selected LUT generates a gain value output signal. The predistorter generates a predistorted signal from the gain value output signal and an input signal. The predistorted signal is input to a nonlinear transmission device.

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