Hardware optimization for 5G fractional bandwidth digital pre-distortion

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United States of America Patent

PATENT NO 11838038
APP PUB NO 20220376713A1
SERIAL NO

17306718

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a transceiver chain may receive, using a downconverter tuned by at least one local oscillator, transmit signals that are modulated using a modulation bandwidth and that span a total bandwidth greater than or equal to the modulation bandwidth. The at least one local oscillator may cover a first fraction of the total bandwidth. The transceiver chain may receive, using at least one analog-to-digital converter, input from the downconverter, and may output a first digital signal based at least in part on the input and sampling at the first fraction of the total bandwidth. The transceiver chain may determine an error associated with the transmit signals based at least in part on the first digital signal, and may perform digital pre-distortion on new signals based at least in part on the error. Numerous other aspects are described.

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Patent Owner(s)

Patent OwnerAddress
QUALCOMM INCORPORATED5775 MOREHOUSE DRIVE SAN DIEGO CA 92121-1714

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ahuja, Shubham San Diego, US 6 0
Bassam, Aidin San Diego, US 7 0
Carbone, Nicholas Michael San Diego, US 15 186
Dorosenco, Alexander El Cajon, US 30 78

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