Data dithering apparatus and method

Details Data dithering apparatus and method Data dithering apparatus and method

2007-04-03

2007-04-03

Tran, Khanh (Department: 2611)

Pulse or digital communications

Transmitters

Angle modulation

Reexamination Certificate

active

10158341

ABSTRACT:
A waveform having an amplitude that varies to thereby represent corresponding data values is dithered to further shape the waveform so that use of the dithered waveform to create a corresponding FSK signal will result in a signal having a smoothed frequency domain profile. In various embodiments, the waveform amplitude is varied with respect to periodicity of variation, extent of variation, and duration of variation.

REFERENCES:
patent: 5329258 (1994-07-01), Matsuura
patent: 5825243 (1998-10-01), Sato et al.
patent: 2002/0180547 (2002-12-01), Staszewski et al.

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