IQ to phase conversion method and apparatus

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United States of America Patent

PATENT NO 11870452
APP PUB NO 20230124680A1
SERIAL NO

17822936

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Abstract

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A method for cartesian (IQ) to polar phase conversion includes: converting a first input value into a first absolute value, and a second input value into a second absolute value; converting the first absolute value into a first logarithmic value by calculating a scaled logarithmic value of the first absolute value, and the second absolute value into a second logarithmic value by calculating a scaled logarithmic value of the second absolute value; subtracting the first logarithmic value from the second logarithmic value, to provide a subtract value; and selecting a phase value from a plurality of phase values stored in a storage unit. Each of the plurality of phase values corresponds to a respective index value, and the phase value is selected taking the subtract value as the index value.

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Patent Owner(s)

Patent OwnerAddress
NXP USA INC6501 WILLIAM CANNON DRIVE WEST AUSTIN TX 78735

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Waheed, Khurram Austin, US 79 1521
Zhang, Yijie Suzhou, CN 13 11

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