Issued Patents All Time
Showing 51–75 of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9137053 | Apparatus and method of estimating channel in consideration of residual synchronization offset | Jung Sun UM, Sung Jin YOO, Byung Jang Jeong, Myung Sun Song | 2015-09-15 |
| 8995409 | Communication method using a preamble to share characteristic information, method for generating the preamble, and communication system to which the methods are applied | Jung Sun UM, Hoi Yoon JUNG, Byung Jang Jeong, Chang-Joo Kim, Gwang Zeen KO | 2015-03-31 |
| 8964640 | Hybrid beaconing method | Gwangzeen Ko, Moon-Won Lee, Sung-Jin You, Jung Sun UM, Myung Sun Song +1 more | 2015-02-24 |
| 8964886 | Method and device for transmitting a preamble in a wireless communication system | Jung Sun UM, Sang Won Kim, Byung Jang Jeong, Chang-Joo Kim | 2015-02-24 |
| 8861551 | Method of generating pilot pattern for adaptive channel estimation in OFDMA systems, method of transmitting/receiving using the pilot pattern and apparatus thereof | Chang-Joo Kim, Myung Sun Song, Jung Sun UM | 2014-10-14 |
| 8855144 | Method of generating pilot pattern for adaptive channel estimation in OFDMA systems, method of transmitting/receiving using the pilot pattern and apparatus thereof | Chang-Joo Kim, Myung Sun Song, Jung Sun UM | 2014-10-07 |
| 8787271 | Method and device for communication between devices with different transmission coverage | Jung Sun UM, Gwangzeen Ko, Myung Sun Song, Chang-Joo Kim | 2014-07-22 |
| 8737498 | Secondary transmitter included in cognitive radio communication system and communication method of the secondary transmitter | Jae Hyun Park, Byung Jang Jeong, Jung Sun UM, Hoi Yoon JUNG, Jin Suk PAK +2 more | 2014-05-27 |
| 8693563 | Method of transmitting and receiving orthogonal frequency division multiplexing (OFDM) signal using multiple antennas, and transmitter and receiver thereof | Yun-Hee Kim, Jin Soo Wang, Jae Cheol PARK | 2014-04-08 |
| 8693410 | Method and apparatus of hybrid burst mapping in OFDMA systems | Jung Sun UM, Myung Sun Song, Chang-Joo Kim, Gwangzeen Ko | 2014-04-08 |
| 8682257 | Method and apparatus for detecting heterogeneous communication system | Gwang Zeen KO, Sung-Jin You, Jin Suk PAK, Sang Won Kim, Jung Sun UM | 2014-03-25 |
| 8675594 | Method for sensing spectrum and arranging quiet period in cognitive radio system, customer premise equipment, base station and superframe structure using the same | Bub Joo Kang, Gwangzeen Ko, Myung Sun Song, Chang-Joo Kim | 2014-03-18 |
| 8619699 | Channel switching apparatus and method of a base station and channel switching apparatus and method of a terminal based on the cognitive radio system | Gwangzeen Ko, Sung-Jin You, Myung Sun Song, Jung Sun UM, Chang-Joo Kim | 2013-12-31 |
| 8605610 | Method and apparatus for link adaptive multicast/broadcast transmission and reception | Jin Soo Wang, Jae-chul Park, Yun-Hee Kim | 2013-12-10 |
| 8600418 | Relay station for cell information exchange between adjacent BSs over air links in cellular systems | Gwangzeen Ko, Chang-Joo Kim, Myung Sun Song, Sung-Jin You, Jung Sun UM | 2013-12-03 |
| 8488526 | Network communication method and network device using preamble | Jung Sun UM, Gwangzeen Ko, Myung Sun Song, Chang-Joo Kim | 2013-07-16 |
| 8477799 | Method for using flexible bandwidth in OFDMA-based cognitive radio system, base station and subscriber station using the same | Myung Sun Song, Yun-Hee Kim, Chang-Joo Kim, Gwangzeen Ko, Jung Sun UM | 2013-07-02 |
| 8326336 | Apparatus and method for communication in cognitive radio network | Jung Sun UM, Myung Sun Song, Chang-Joo Kim, Gwangzeen Ko, Sang Won Kim +1 more | 2012-12-04 |
| 8199216 | Apparatus and method for improving image quality of image sensor | — | 2012-06-12 |
| 8031667 | Method for managing multiple frequency assignment using terminal's received performance in OFDMA WRAN system | Bub Joo Kang, Chang-Joo Kim, Myung Sun Song, Gwang Zeen KO, Hyung-Rae Park | 2011-10-04 |
| 7903691 | Method of generating pilot pattern for adaptive channel estimation in OFDMA systems, method of transmitting/receiving using the pilot pattern and apparatus thereof | Chang-Joo Kim, Myung Sun Song, Jung Sun UM | 2011-03-08 |
| 7576891 | Apparatus and method for improving image quality of image sensor | — | 2009-08-18 |
| 7532692 | Wired/wireless communication receiver and method for improving performance of equalizer through multipath delay spread estimation | — | 2009-05-12 |
| 7386035 | Method of compensating for energy loss and eliminating inter-symbol interference and inter-chip interference and rake receiver for WLAN adopting the same | Hyun-cheol Park, Yu-Sung Lee | 2008-06-10 |
| 7333579 | Robust symbol timing recovery circuit for telephone line modem | — | 2008-02-19 |