Hybrid GMP/equalizer digital self interference cancelation for MIMO transmitters

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United States of America Patent

PATENT NO 11750232
APP PUB NO 20220321156A1
SERIAL NO

17539109

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Abstract

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A base station configured to perform a method for self-interference cancelation (SIC) is provided. The method includes transmitting, by a transceiver configured to transmit an uplink channel and a downlink channel concurrently, one or more signals, the transceiver coupled to, or including, a first number of transmit antennas and a second number of receive antennas. The method also includes, for at least one receive antenna of the second number of receive antennas, applying a forward path model including a non-linear component corresponding to a transmit path in the transceiver, and applying an equalizer function to a first signal to be transmitted by at least one transmit antenna of the first number of transmit antennas determine a self-interference (SI) estimate; and subtracting, in SIC circuitry, the SI estimate from the signal received via at least one receive antenna of the second number of receive antennas to obtain an residual signal.

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Patent Owner(s)

Patent OwnerAddress
SAMSUNG ELECTRONICS CO LTDGYEONGGI DO SOUTH KOREA GYEONGGI-DO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Muhammad, Khurram Southlake, US 119 1887
Tarver, Chance Arlington, US 6 20
Tonnemacher, Matthew Allen, US 11 20
Yuan, Jin Plano, US 18 95

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