Issued Patents All Time
Showing 51–75 of 85 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8149865 | Cognitive radio communication terminal and method for detecting collision using feature detection | Hyun Ho Choi, Kyung Hun Jang, Youngsoo Kim, Hyo Sun Hwang | 2012-04-03 |
| 8050356 | Transmission apparatus and method for MIMO system | Seung-Hoon Nam, Jae-Hak Chung, Young-Ho Jung, Won-Il Roh, Chan-Byoung Chae | 2011-11-01 |
| 7932019 | Gettering members, methods of forming the same, and methods of performing immersion lithography using the same | Jin Young Yoon, Hyun-Woo Kim, Yun-Kyeong Jang | 2011-04-26 |
| 7889814 | Transmitting and receiving apparatus for supporting transmit antenna diversity using space-time block code | Vahid Tarokh, Seung-Hoon Nam, Jae-Hak Chung, Yung-Soo Kim | 2011-02-15 |
| 7864876 | Differential space-time block coding apparatus using eight or less transmit antennas | Seung-Hoon Nam, Yung-Soo Kim, Jae-Hak Chung, Vahid Tarokh | 2011-01-04 |
| 7710918 | Pilot designing method in an uplink OFDMA system | Young-Ho Jung, Jae-Hak Chung, Seung-Hoon Nam, Yong-hoon Lee, Hong Sun Park | 2010-05-04 |
| 7675841 | Apparatus and method for generating a preamble sequence in an orthogonal frequency division multiplexing communication system | Chang-Ho Suh, Hyeon-Woo Lee, Dong-Seek Park | 2010-03-09 |
| 7630463 | Apparatus and method for acquiring synchronization in mobile communication system using OFDM scheme | Won-Yong Shin, Young-Ho Jung, Yong-hoon Lee, Jin-Gon Joung | 2009-12-08 |
| 7580490 | Apparatus and method for channel estimation in an orthogonal frequency division multiplexing cellular communication system using multiple transmit antennas | Chang-Ho Suh, Seok Hyun Yoon, Young-Kwon Cho | 2009-08-25 |
| 7567623 | Differential space-time block coding apparatus with high transmission rate and method thereof | Seung-Hoon Nam, Jae-Hak Chung, Young-Ho Jung, Vahid Tarokh | 2009-07-28 |
| 7539264 | Apparatus and method for transmitting/receiving a pilot sequence in a mobile communication system using space-time trellis code | Yung-Soo Kim, Seung-Hoon Nam, Jae-Hak Chung | 2009-05-26 |
| 7532911 | Random beamforming method for a MIMO system | Jong-Hyung Kwun, Eun-Yong Kim, Joo-Hwan Chun | 2009-05-12 |
| 7529327 | Method and apparatus for compensating for the frequency offset in interleaved frequency division multiple access | Yung-Soo Kim | 2009-05-05 |
| 7505527 | Transmitting and receiving apparatus for supporting transmit antenna diversity using space-time block code | Vahid Tarokh, Seung-Hoon Nam, Jae-Hak Chung, Yung-Soo Kim | 2009-03-17 |
| 7480339 | Apparatus and method for transmitting/receiving a pilot sequence in a mobile communication system using space-time trellis code | Yung-Soo Kim, Seung-Hoon Nam, Jae-Hak Chung | 2009-01-20 |
| 7463693 | Apparatus and method for full-diversity, full-rate space-time block coding for two transmit antennas | Chan-Byoung Chae, Won-Il Roh, Sung-Ryul Yun, Hong-sil Jeong, Jae-Hak Chung +6 more | 2008-12-09 |
| 7463601 | Method and apparatus for scheduling multiple users in a mobile communication system using multiple transmit/receive antennas | Hak Joo Lee, Chung-Yong Lee, Jae-Hak Chung | 2008-12-09 |
| 7457372 | Data transmission/reception apparatus and method for achieving both multiplexing gain and diversity gain in a mobile communication system using space-time trellis code | Yung-Soo Kim, Seung-Hoon Nam, Jae-Hak Chung | 2008-11-25 |
| 7433419 | ICI cancellation method for an OFDM system | Jae-Yeun Yun, Yong-hoon Lee, Eung Sun Kim, Jong-Hyeuk Lee, Ho-Jin Kim +1 more | 2008-10-07 |
| 7397866 | Apparatus and method for transmitting/receiving differential STBC using channel power | Seung-Hoon Nam, Jae-Hak Chung, Yung-Soo Kim | 2008-07-08 |
| 7366195 | Apparatus and method for efficiently transmitting and receiving multicast data | — | 2008-04-29 |
| 7361433 | Photomask for forming photoresist patterns repeating in two dimensions and method of fabricating the same | In-Sung Kim, Young-Seog Kang | 2008-04-22 |
| 7356090 | Transmission/reception apparatus for a wireless communication system with three transmission antennas | Seung-Hoon Nam, Yung-Soo Kim, Jae-Hak Chung | 2008-04-08 |
| 7336420 | Diffractive optical element, illumination system comprising the same, and method of manufacturing semiconductor device using illumination system | — | 2008-02-26 |
| 7333549 | Method and apparatus for estimating a signal sequence in a MIMO-OFDM mobile communication system | Jong Ho Lee, Jae-Hak Chung, Seung-Hoon Nam, Do-Young Kwak, Jae-Choong Han +1 more | 2008-02-19 |