Patents

(Registration) Y. Choi, C. Jang, H. Lee, J. Choi, and H. Kim, "Apparatus and Method for Reconstructing Downlink Channel in Wireless Communication System." US Patent, 11.855.730 B2, Dec. 26, 2023.

(Application) Y. Choi, C. Jang, J. Choi, S. Kim, H. Lee, and H. Kim, "Device and Method for Controlling Beamformer in Wireless Communication System." US Patent, 18/141812, Oct. 19, 2023.

(Application) J. Choi, J. Oh, J. Jung, G. Lee, and H. Lee, "Apparatus and Method for Estimating Channel Related to Reflecting Intelligence Surface in Wireless Communication System." PCT, 2022/007237, May 20, 2022.

(Application) J. Choi, J. Park, S. Kim, J. Cha, H. Lee, and S. Kim, "Method and Device for Transmitting Signal in Wireless Communication System." PCT, 2021/016754, Nov. 16, 2021.

(Application) Y. Choi, C. Jang, J. Choi, S. Kim, H. Lee, and H. Kim, "Device and Method for Controlling Beamformer in Wireless Communication System." PCT, 2021/015666, Nov. 02, 2021. 

(Application) Y. Choi, C. Jang, H. Lee, J. Choi, and H. Kim, "Apparatus and Method for Reconstructing Downlink Channel in Wireless Communication System." PCT,  2020/013021, Sep. 25, 2020.

(Registration) J. Lim, H. Lee, J. Choi, S. Kim, and M. Byun, “Apparatus and Method for Estimating Direction in Wireless Communication System.” US Patent, 10,958,330 B2, Mar. 23, 2021.

(Registration) Y. Choi, C. Jang, H. Lee, J. Choi, and H. Kim, "Apparatus and Method for Reconstructing Downlink Channel in Wireless Communication System." 10-2827228, Jun. 25, 2025.

(Registration) Y. Choi, C. Jang,  J. Choi, S. Kim, H. Lee, and H. Kim, "Apparatus and Method for Controlling Beamformer in a Wireless Communication System." 10-2765427, Feb. 05, 2025.

(Registration) J. Choi, S. Kim, H. Lee, and J. Cha, "Method and Apparatus for Adjusting Low-Complexity Optimal Phase Shift for Intelligent Reflecting Surface." 10-2678485, Jun. 21, 2024.

(Registration) J. Choi, S. Kim, H. Lee, and J. Cha, "Method and Apparatus for Estimating Channel Parameter Estimation for Intelligent Reflecting Surface Aided System." 10-2558093, Jul. 18, 2023.

(Application) J. Choi, J. Park, S. Kim, H. Lee, and J. Cha, "Channel Estimation in Communication Systems with Intelligent Reflecting Surface."  10-2021-0054512, Apr. 27, 2021.

(Application) J. Lim, H. Lee, J. Choi, S. Kim, and M. Byun, “Apparatus and Method for Estimating Direction in Wireless Communication System.” 10-2018-0169807, Dec. 26, 2018