Method for clipping a wideband radio signal and...

Details Method for clipping a wideband radio signal and... Method for clipping a wideband radio signal and...

2001-10-05

2008-12-16

Nguyen, Duc (Department: 2617)

Telecommunications

Transmitter

Power control, power supply, or bias voltage supply

C455S423000, C455S067110

Reexamination Certificate

active

07466966

ABSTRACT:
A method for clipping a wideband signal in order to eliminate signal overshots having an amplitude above a predefined threshold before submitting the wideband signal to a power amplifier. The method subtracts, from the wideband signal, filtered pulses in phase with the wideband signal, each filtered pulse corresponding to an overshot, and the amplitude of each filtered pulse being dependant on the amplitude of the corresponding overshot and on the predefined threshold. The subtraction step is repeated at least twice on the wideband signal.

REFERENCES:
patent: 3675138 (1972-07-01), Standing
patent: 4272846 (1981-06-01), Muratani et al.
patent: 4890297 (1989-12-01), Zscheile et al.
patent: 5126687 (1992-06-01), Onoda et al.
patent: 5631969 (1997-05-01), Hanson
patent: 6256157 (2001-07-01), Biskeborn et al.
patent: 6337999 (2002-01-01), Orban
patent: 0 940 911 (1999-09-01), None

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