Issued Patents All Time
Showing 26–50 of 64 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9332440 | Method of frequency channel assignment using effective spectrum sensing in multiple frequency assignment system | Bub Joo Kang, Chang-Joo Kim | 2016-05-03 |
| 9306724 | Apparatus and method for avoiding interference between access points | Hyun Duk KANG, Hoi Yoon JUNG, Gwang Zeen KO, Jae-Ick Choi | 2016-04-05 |
| 9270501 | Method for removing signal interference based on multiple input multiple output | Jinhyung OH, Gwangzeen Ko, Igor KIM, Hyun Ho Lee, Myeong-Jin Kim +1 more | 2016-02-23 |
| 9236922 | Method of communicating between base station and terminal based on interference alignment in multi-cell multi-user multiple-input multiple-output (MIMO) interference channel and method and apparatus of communication using interference alignment and block successive interference pre-cancellation in multi-user multiple-input multiple-output interference channel | Jae Hyun Park, Sung Jin YOO, Byung Jang Jeong, Jae-Ick Choi | 2016-01-12 |
| 9215661 | Transmission power control method and device for cognitive radio device | Sung Hyun Hwang, Gwangzeen Ko, Chang-Joo Kim, Jung Sun UM, Min-Sheo Choi | 2015-12-15 |
| 9137053 | Apparatus and method of estimating channel in consideration of residual synchronization offset | Sung Hyun Hwang, Jung Sun UM, Sung Jin YOO, Byung Jang Jeong | 2015-09-15 |
| 9106495 | Wireless communication method and apparatus based on channel function | Kwang Seon Kim, Min Soo Kang, Bong-Su Kim, Woo Jin Byun, Jong Soo Lim +1 more | 2015-08-11 |
| 8964640 | Hybrid beaconing method | Gwangzeen Ko, Moon-Won Lee, Sung-Jin You, Sung Hyun Hwang, Jung Sun UM +1 more | 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 | Sung Hyun Hwang, Chang-Joo Kim, 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 | Sung Hyun Hwang, Chang-Joo Kim, Jung Sun UM | 2014-10-07 |
| 8787271 | Method and device for communication between devices with different transmission coverage | Jung Sun UM, Gwangzeen Ko, Sung Hyun Hwang, Chang-Joo Kim | 2014-07-22 |
| 8780940 | Method and apparatus for compressing frame | Sung-Jin You, Gwangzeen Ko, Moon-Won Lee, Jung Sun UM | 2014-07-15 |
| 8761304 | Apparatus and method for processing digital transmission/reception signals to correct in-band gain flatness | Min Soo Kang, Woo Jin Byun, Kwang Seon Kim, Bong-Su Kim | 2014-06-24 |
| 8693410 | Method and apparatus of hybrid burst mapping in OFDMA systems | Sung Hyun Hwang, Jung Sun UM, Chang-Joo Kim, Gwangzeen Ko | 2014-04-08 |
| 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, Sung Hyun Hwang, Chang-Joo Kim | 2014-03-18 |
| 8661143 | Reserving resources in centralized network by scanning superframes equal to or greater than maximum number of superframes allowed without listening to beacon period | Moon-Won Lee, Sung-Jin You, Gwangzeen Ko, Chang-Joo Kim | 2014-02-25 |
| 8639736 | Method and apparatus for detecting signal using cyclo-stationary characterisitics | Sunmin Lim, Sang Won Kim, Changhyun PARK, Gwangzeen Ko, Chang-Joo Kim | 2014-01-28 |
| 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, Sung Hyun Hwang, Jung Sun UM, Chang-Joo Kim | 2013-12-31 |
| 8600418 | Relay station for cell information exchange between adjacent BSs over air links in cellular systems | Gwangzeen Ko, Chang-Joo Kim, Sung Hyun Hwang, Sung-Jin You, Jung Sun UM | 2013-12-03 |
| 8594585 | Wireless communication system and method for sharing sensing antenna, sensing receiver, data transceiver antenna, and data transceiver | Hoiyoon Jung, Gwangzeen Ko, Sunmin Lim, Sang Won Kim | 2013-11-26 |
| 8495000 | Data integration apparatus and method | Sunmin Lim, Sang Won Kim, Changhyun PARK | 2013-07-23 |
| 8488526 | Network communication method and network device using preamble | Sung Hyun Hwang, Jung Sun UM, Gwangzeen Ko, Chang-Joo Kim | 2013-07-16 |
| 8483730 | Method and system for managing channel set for dynamic channel allocation | Changhyun PARK, Sang Won Kim, Sunmin Lim | 2013-07-09 |
| 8477799 | Method for using flexible bandwidth in OFDMA-based cognitive radio system, base station and subscriber station using the same | Sung Hyun Hwang, Yun-Hee Kim, Chang-Joo Kim, Gwangzeen Ko, Jung Sun UM | 2013-07-02 |
| 8363742 | Method and apparatus for detecting received signal in wireless communication system | Hoi Yoon JUNG, Sun Min Lim, Sang Won Kim | 2013-01-29 |