Issued Patents 2004
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6807221 | Channel spreading device and method for CDMA communication system | Young-Ky Kim, Hee-Won Kang, Seung-Joo Maeng | 2004-10-19 |
| 6768728 | Device and method for exchanging frame messages of different lengths in CDMA communication system | Young-Ky Kim, Jae-Min Ahn, Soon-Young Yoon, Hee-Won Kang, Hyun Suk Lee +1 more | 2004-07-27 |
| 6757536 | Method of providing site selection diversity in mobile communication system | Hyun Woo Lee, Seong-Ill Park, Sung-Ho Choi, Ho-Kyu Choi | 2004-06-29 |
| 6751252 | Quasi-orthogonal code mask generating device in mobile communication system | Jae-Min Ahn, Joong-Ho Jeong, Kyeong-Cheol Yang | 2004-06-15 |
| 6731674 | Device and method for generating quasi-orthogonal code and spreading channel signals in mobile communication system | Kyeong-Cheol Yang, Hee-Won Kang, Young-Ky Kim | 2004-05-04 |
| 6707788 | Channel spreading device and method in CDMA communication system | Hee-Won Kang, Seung-Joo Maeng, Young-Ky Kim | 2004-03-16 |
| 6690712 | Apparatus and method for transmission diversity using more than two antennas | Sung Jin Kim, Byung-Jae Kwak, Yong-Suk Lee, Seong-Ill Park, Ho-Kyu Choi +4 more | 2004-02-10 |
| 6674712 | Device and method for generating quaternary complex quasi-orthogonal code and spreading transmission signal using quasi-orthogonal code in CDMA communication system | Kyeong-Cheol Yang, Hee-Won Kang, Young-Ky Kim | 2004-01-06 |
| 6674807 | Communication apparatus and method for a CDMA communication system | Chang-Soo Park, Jun Jin Kong, Hee-Won Kang, Jong-Seon No, Kyeong-Cheol Yang | 2004-01-06 |