CONTROLLING OUTPUT POWER OF MULTIPLE-INPUT SINGLE-OUTPUT (MISO) DEVICE

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United States of America Patent

APP PUB NO 20150117565A1
SERIAL NO

14522679

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Methods and systems for vector combining power amplification are disclosed herein. In one embodiment, a plurality of signals are individually amplified, then summed to form a desired time-varying complex envelope signal. Phase and/or frequency characteristics of one or more of the signals are controlled to provide the desired phase, frequency, and/or amplitude characteristics of the desired time-varying complex envelope signal. In another embodiment, a time-varying complex envelope signal is decomposed into a plurality of constant envelope constituent signals. The constituent signals are amplified equally or substantially equally, and then summed to construct an amplified version of the original time-varying envelope signal. Embodiments also perform frequency up-conversion.

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Patent Owner(s)

Patent OwnerAddress
PARKERVISION INC7915 BAYMEADOWS WAY SUITE 400 JACKSONVILLE FL 32256

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Rawlins, Gregory S Heathrow, US 163 7590
Rawlins, Michael W Lake-Mary, US 129 6864
Sorrells, David F Middleburg, US 233 11114

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