Patents

J. Choi and H. Cho, “Integrated Beamforming Method with Intelligent Reflecting Surface Element Allocation and System Therefore.” US Patent, 11,515,918 B2. Filing Date: Feb. 18, 2021

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. Filing Date: Dec. 26, 2019.

J. Choi and H. Kim, “Method and Apparatus for Estimating Channel in Multiple-Input Multiple-Output Communication Systems Exploiting Temporal Correlations.” US Patent, 10,530,610 B2. Filing Date: Jan. 3, 2018.

J. Choi, D. J. Love, T. Kim, and J. Seol, “Codebook for Multiple-Input Multiple-Output System and Communication Method and Apparatus Using Same.” US Patent, 10,305,557 B2. Filing Date: Dec. 22, 2014.

J. Choi, D. J. Love, T. Kim, and K. Lee, “Apparatus and Method for Channel Information Feedback in Wireless Communication System.” US Patent, 10,158,408 B2. Filing Date: Mar. 27, 2014.

S. Ro, M. Agrawal, D. J. Love, J. Choi, and J. Lee, "Method and Apparatus for using Channel Output Feedback in Multi User Wireless Systems and Hybrid-ARQ." US Patent, 9,161,247 B2. Filing Date: Oct. 21, 2013.

S. Ro, J. Choi, D. J. Love, and J. Lee, "Differential Codebook for Temporally-Correlated MISO Dual-Polarized Antenna." US Patent, 8,953,707 B2. Filing Date: Oct. 19, 2012.

B. Clerckx, J. Choi, and K. Kim, “Method and Apparatus for Feedback in Multi-user Multiple-Input Multiple-Output (MU-MIMO) Communication System.” US Patent, 8,948,104 B2. Filing Date: Sep. 29, 2011.

J. Choi, B. Clerckx, and K. Kim, "Codebook for Eight Transmit Antennas and Multiple-Input Multiple-Output Communication System Using the Codebook." US Patent, 8,654,878 B2. Filing Date: Aug. 16, 2011.

H. Li, J. Choi, and B. Clerckx, "Method and Device for Low-Complexity Feedback in a Multiuser and Multipoint Cooperative Communication System." US Patent, 9,735,853 B2, Filing Date: May 11, 2011.

J. Choi, B. Clerckx, and K. Kim, "Multiple-Input Multiple-Output Communication System Using Codebook Corresponding to Each Reporting Mode." US Patent, 9,876,553 B2, Filing Date: Apr. 29, 2011.

K. Kim, B. Clerckx, J. Choi, I. Lee, S. Park, H. Park, and H. Kong, "Multiple-Input Multiple-Output (MIMO) Communication System Using Regularized Beamforming." US Patent, 8,638,873 B2. Filing Date: Mar. 4, 2011.

B. Clerckx, K. Kim, J. Choi, and J. Han, "Unified Feedback Frame for Supporting a Plurality of Feedback Modes and a Multiple-Input Multiple-Output (MIMO) Communication System Using the Unified Feedback Frame." US Patent, 8,711,963 B2. Filing Data: Feb. 1, 2011.

B. Clerckx, J. Choi, T. Kim, O. Aluko, and D. J. Love, "Method and Apparatus for Sharing Channel State Information (CSI) in a Multiple-user Multiple-Input Multiple-Output (MU-MIMO) Environment." US Patent, 8,976,850 B2. Filing Data: Dec. 30, 2010.

J. Choi, B. Clerckx, K. Kim, D. J. Love, and T. Kim, “Multiple-Input Multiple-Output (MIMO) Communication System Using a Codebook and Method of Designing the Codebook.” US Patent, 9,319,251 B2. Filing Date: Dec. 28, 2010.

J. Choi, B. Clerckx, K. Kim, D. J. Love, and T. Kim, "Method of Generating Adaptive Codebook and Multiple-Input Multiple-Output Communication System Using the Adaptive Codebook." US Patent, 8,724,728 B2. Filing Date: Dec. 1, 2010.

B. Clerckx, J. Choi, and K. Kim, “Method and Apparatus for Feedback in Multi-User Multiple-Input Multiple-Output (MU-MIMO) Communication System.” US Patent, 10,469,237 B2. Filing Date: Sep. 29, 2010.

B. Clerckx, K. Kim, J. Choi, D. J. Love, T. Kim, C. Au-Yeung, and O. Aluko, "Clustered Multi-Cell Multi-User Multiple Input Multiple Output Communication System Using Cell-Edge User Selection Scheme." US Patent, 8,599,751 B2. Filing Date: Sep. 13, 2010.

B. Clerckx, K. Kim, J. Choi, D. J. Love, and T. Kim, "Codebook for Multiple Input Multiple Output Communication and Communication Device using the Codebook." US Patent, 8,532,042 B2. Filing Date: Sep. 2, 2010.

B. Clerckx, S. Park, J. Choi, and D. Mazzarese, "Multiple-Input Multiple-Output Communication System Using Explicit Feedback." US Patent, 8,494,074 B2. Filing Date: Aug. 9, 2010.

J. Choi, B. Clerckx, and K. Kim, “Codebook Design Method for Multiple-Input Multiple-Output (MIMO) Communication System and Method for Using the Codebook.” US Patent, 8,958,495 B2. Filing Date: Jul. 14, 2010.

J. Choi, B. Clerckx, and K. Kim, "Rotating Reference Codebook that is used in a Multiple-Input Multiple-Output (MIMO) Communication Systems." US Patent, 8,488,708 B2. Filing Date: Jun. 21, 2010.

B. Clerckx, K. Kim, J. Choi, D. J. Love, and T. Kim, "Multiple-Input Multiple-Output Communication System and Communication Method of Configuring Codebook." US Patent, 8,477,663 B2. Filing Date: Jun. 1, 2010.

J. Choi, C. Park, K. Park, Y. Ko, and J. Lee, "Data Transmission System for Forwarding Data using a Plurality of Antennas." US Patent, 8,254,830 B2. Filing Date: May 14, 2009.

Y. Zhou, and J. Choi, "Multiple-Input Multiple-Output (MIMO) Communication System for Feedforwarding Interference Vector Indicator." US Patent, 8,553,787 B2. Filing Date: Jan. 9, 2009.

J. Choi, and Y. Zhou, "Codebook for Multiple User Multiple Input Multiple Output System and Communication Device using the Codebook." US Patent, 8,031,090 B2. Filing Date: Oct. 13, 2008.

B. Clerckx, J. Choi, and S. Kim, "Multiple-Input Multiple-Output Communication System Control Method and Apparatus." US Patent, 8,867,646 B2. Filing Date: Jul. 16, 2008.

Y. Zhou, J. Choi, and S. Kim, "Multiple-Input Multiple-Output (MIMO) Communication Method and System of Enabling the Method." US Patent, 8,228,810 B2. Filing Date: Jun. 24, 2008.

J. Suh, S. Kim, P. Kuo, and J. Choi, "Method of Space Division Multiple Access Communication Using User Cooperation and System of Enabling the Method." US Patent, 8,010,140 B2. Filing Date: May 12, 2008.