Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10447437 | Method for assigning channels based on spatial division multiplexing in an orthogonal frequency division multiplexing system with multiple antennas | Eung Sun Kim, Jong-Hyeuk Lee, Jae-Hak Chung, Ho-Jin Kim, Kyung-Chun Lee +1 more | 2019-10-15 |
| 10389023 | Method and device for transmitting and receiving signal by using multiple beams in wireless communication system | Sang H. Choi, Yong Hoon Kim, Hee-Seong Yang | 2019-08-20 |
| 10361765 | Apparatus and method for controlling array antenna device in communication system | Ji-Yun Seol, Hee-Seong Yang | 2019-07-23 |
| 9634750 | Beamforming method and apparatus for serving multiple users | Se-Min Kwak, Yong Hoon Kim, Hee-Seong Yang, Sang H. Choi | 2017-04-25 |
| 8520759 | Apparatus and method for detecting signal based on lattice reduction to support different coding scheme for each stream in multiple input multiple output wireless communication system | Eun-Yong Kim, Ju-Mi Lee, Eun-Seok Ko, Sung-Soo Kim | 2013-08-27 |
| 8331423 | Relaying apparatus and method in wireless communication system | Eun-Yong Kim, Ju-Mi Lee, Tak-Ki Yu, Sang Min Lee, Sung-Soo Kim | 2012-12-11 |
| 8315556 | Apparatus and method for bidirectional relaying in a relay wireless communication system | Tak-Ki Yu, Eun-Seok Ko, Yu Seok Kim, Hyun Jong YANG | 2012-11-20 |
| 8126033 | Apparatus and method for relaying in a wireless communication system | Young-Ho Jung, Yu Seok Kim, Hyun Jong YANG, Kyung-Chun Lee | 2012-02-28 |
| 7974349 | Optimum perturbation apparatus and method in a multi-antenna multi-user communication system | Seung-Hoon Nam, Myeon-Kyun Cho, Jong-Hyeuk Lee, Eun-Yong Kim | 2011-07-05 |
| 7706351 | Apparatus and method for transmitting an uplink signal in a mobile communication system using an OFDMA scheme | Cheol-Woo You, Eung Sun Kim, Jong-Hyeuk Lee, Kyung-Chun Lee, Yung-Soo Kim | 2010-04-27 |
| 7532911 | Random beamforming method for a MIMO system | Jong-Hyung Kwun, Chan-Soo Hwang, Eun-Yong Kim | 2009-05-12 |
| 7483719 | Method for grouping transmission antennas in mobile communication system including multiple transmission/reception antennas | Eung Sun Kim, Jong-Hyeuk Lee, Jae-Hak Chung, Ho-Jin Kim, Kyung-Chun Lee +1 more | 2009-01-27 |
| 7319685 | Method for assigning channels based on spatial division multiplexing in an orthogonal frequency division multiplexing system with multiple antennas | Eung Sun Kim, Jong-Hyeuk Lee, Jae-Hak Chung, Ho-Jin Kim, Kyung-Chun Lee +1 more | 2008-01-15 |