Method and system for receiving pulse width keyed signals

Details Method and system for receiving pulse width keyed signals Method and system for receiving pulse width keyed signals

2007-11-13

2007-11-13

Vo, Don N. (Department: 2611)

Pulse or digital communications

Pulse width modulation

C329S312000

Reexamination Certificate

active

10856936

ABSTRACT:
Provided is a method to process a pulse width coded signal. the method includes digitizing a received pulse width coded signal and transforming the digitized signal to at least one of power domain and absolute value domain. The converting produces a converted signal. The method also includes estimating a signal power of the converted signal in a wide band filter to produce data representative of a first signal having first type signal shape properties and estimating a signal power of the converted signal in a narrow band filter to produce data representative of a second signal having second type signal shape properties. Finally, the first and second type data are compared to produce information representative of pulse width characteristics of the received signal.

REFERENCES:
patent: 6066970 (2000-05-01), Kawai
patent: 6704369 (2004-03-01), Kawasaki et al.
patent: 7110473 (2006-09-01), Miller et al.

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