Radio frequency handset calibration based on antenna gain

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11722230
APP PUB NO 20220045772A1
SERIAL NO

17065829

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A radio frequency device includes antennas, transmitters, power detectors, a memory storing instructions and an antenna gain lookup table, and processors. The processors execute instructions that include instructing the transmitters to send transmission signals through the antennas to form a first beamformed signal having a first beam direction and a first frequency using multiple input powers. The instructions include determining radio frequency integrated circuit (RFIC) gains associated with the transmitters based on the transmission signals using the power detectors. Moreover, the instructions include determining the antenna gains for the antennas based on the first beam direction and the first frequency of the first beamformed signal, and the antenna gain lookup table. The instructions also include determining total gains based on the RFIC gains and the antenna gains, and adjusting the input powers based on the total gains and a back off power signal.

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Patent Owner(s)

Patent OwnerAddress
APPLE INCONE APPLE PARK WAY CUPERTINO CA 95014

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bhamidipati, Srinivasa Yasasvy Sateesh Milpitas, US 9 44
El-Hassan, Wassim San Jose, US 26 187
Gorman, Daphne Irene San Jose, US 3 1
Nayak, Vineet Sunnyvale, US 8 36
Subrahmaniyan, Radhakrishnan Gurusubrahmaniyan San Jose, US 7 71
Zhao, Xuefeng Cupertino, US 16 45

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