Multiband digital predistorter

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United States of America Patent

PATENT NO 11057004
SERIAL NO

16487969

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Disclosed are methods, systems, devices, apparatus, media, design structures, and other implementations, including a method for digital predistortion of multiband signals that includes receiving a plurality of input signals respectively associated with multiple radio frequency (RF) bands, with the plurality of input signals occupying an input frequency span corresponding to a difference between a maximum frequency in a highest of the multiple RF bands and a minimum frequency in a lowest of the multiple RF bands. The method further includes frequency shifting at least one signal from the plurality of input signals to produce condensed shifted signals, each corresponding to a respective one of the plurality of input signals, occupying a condensed frequency span smaller than the input frequency span, and processing the condensed shifted signals, including applying digital predistortion to the condensed shifted signals.

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Patent Owner(s)

  • NANOSEMI, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chuang, Kevin Cambridge, US 30 447
Huang, Yanyu Bedford, US 6 116
Kim, Helen H Sudbury, US 30 501
Li, Yan Lexington, US 1322 19576
Mahmood, Zohaib Westwood, US 29 383
Megretski, Alexandre Concord, US 30 513

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