Patents by Inventor Evgeny Tsimbalo

Evgeny Tsimbalo has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Wideband TX IQ imbalance estimation
    Patent number: 10728081
    Abstract: A computer-implemented method of estimating IQ imbalance in a communication system including a transmitter and a receiver. The method includes: defining a system model in which a transmitted signal is affected by TX IQ imbalance, carrier frequency offset (CFO) and RX IQ imbalance; controlling a local oscillator at the transmitter to introduce a known carrier frequency offset (CFO) during a calibration; and estimating unknown parameters in the system model using a pre-defined training sequence to determine the TX IQ imbalance and the RX IQ imbalance.
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: July 28, 2020
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Magnus Stig Torsten Sandell, Evgeny Tsimbalo, Ichiro Seto