Systems, methods, and apparatus for reducing dynamic range...

Details Systems, methods, and apparatus for reducing dynamic range... Systems, methods, and apparatus for reducing dynamic range...

2005-04-26

2008-12-23

Timory, Kabir A (Department: 2611)

Pulse or digital communications

Transmitters

Antinoise or distortion

C375S254000, C375S261000, C375S265000, C375S271000, C375S278000, C375S284000, C375S285000, C375S297000, C375S298000, C375S300000, C375S302000

Reexamination Certificate

active

07469020

ABSTRACT:
Systems, methods, and apparatus for reducing dynamic range requirements of a power amplifier in a wireless device are provided. An exemplary method may include modulating a symbol stream to generate a modulated waveform. The exemplary method may further include generating at least one pulse having a peak aligned with an anticipated position of a peak or a null corresponding to the modulated waveform, where the anticipated position of the a peak or the null corresponding to modulated waveform may be determined by detecting a transition in a phase or an amplitude of the modulated waveform.

REFERENCES:
patent: 5638403 (1997-06-01), Birchler et al.
patent: 6147984 (2000-11-01), McCoy et al.
patent: 2004/0052314 (2004-03-01), Copeland
patent: 1 253 757 (2002-10-01), None

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