Over the air acquisition of radio frequency impairment information

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9960794
SERIAL NO

15274941

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Systems and methods for providing indications about the TX RF non-linear impairments are disclosed. In accordance with some implementations, a first device (UE or base station) estimates EVM indications for the signal and determines if the EVM indications is above a threshold. The first device may transmit the estimated TX non-linearity indications such as AM-AM, AM-PM, Volterra coefficients, and/or other performance metrics to a second device, that transmitted the signal, when it is determined that the EVM indications is above the threshold. Systems and methods for wireless communication impairment correction are also disclosed wherein, in accordance with some implementations, a first device receives estimated TX non-linearity indications such as AM-AM, AM-PM, and/or Volterra coefficients from a second device and performs non-linear correction of a transmit signal for the second receiver device based at least in part on the EVM indications. Other aspects, embodiments, and features are also claimed and described.

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Patent Owner(s)

  • QUALCOMM INCORPORATED

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Burke, Joseph Patrick Glenview, US 86 729
Chellappa, Vijay San Diego, US 5 30
Draxler, Paul San Diego, US 7 63
Gutman, Igor Ramat Gan, IL 92 196
Verma, Sumit San Diego, US 57 620
Weissman, Haim Mendel Haifa, IL 29 331

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