Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12223844 | Method and apparatus for managing identification information of unmanned aerial vehicle | Su Na CHOI, Jae Cheol PARK, Jin Hyung OH, Dong Woo LIM, Sung Hyun Hwang | 2025-02-11 |
| 11994881 | Identification method for detecting locations of unmanned aerial vehicles and unmanned aerial vehicle detection apparatus for performing the same | Jinhyung OH, Jae Cheol PARK, Dong Woo LIM, Su Na CHOI, Sunghyun HWANG | 2024-05-28 |
| 11881634 | Antenna apparatus for identifying drone and operation method thereof | Jae Cheol PARK, Jinhyung OH, Dong Woo LIM, Su Na CHOI, Sunghyun HWANG | 2024-01-23 |
| 11134444 | Method and apparatus for low power communication in communication system | Sung Hyun Hwang, Sung Jin YOO, Su Na CHOI, Jae Cheol PARK, Yong Ho Kim | 2021-09-28 |
| 10701752 | Device and method for allocating coexistence resource in unlicensed band | Jung Sun UM, Seung Keun PARK, Jae Cheol PARK, Sung Jin YOO, Dong Hun Lee +3 more | 2020-06-30 |
| 9906246 | Apparatus and method for detecting a generation point of passive intermodulation | Seung Keun PARK, Jae Cheol PARK | 2018-02-27 |
| 9591654 | Wireless communication apparatus for reducing interference with neighboring cell and method of reducing interference thereof | Dong Hun Lee, Jae Cheol PARK, Byung Jang Jeong, Jae-Ick Choi | 2017-03-07 |
| 9485665 | Network management apparatus for priority channel assignment to acquire available channels in frequency sharing and method thereof | Jae Cheol PARK, Dong Hun Lee, Byung Jang Jeong | 2016-11-01 |
| 9485666 | Available channel information sharing system and available channel information sharing method | Jae Cheol PARK, Byung Jang Jeong, Sang-In Cho | 2016-11-01 |
| 9479942 | Method for calculating radio coverage in wireless device | Sang-In Cho, Jae Cheol PARK, Byung Jang Jeong | 2016-10-25 |
| 9473180 | Apparatus for converting frequency and RF transmitter comprising same | Seung Keun PARK, Jae Cheol PARK, Jung Sun UM | 2016-10-18 |
| 9191259 | Method and device for sensing frequency for OFDM systems | Sang-In Cho | 2015-11-17 |
| 9131514 | Method of allocating radio resources and apparatus of allocating radio resources in cognitive radio small-cell networks | Jae Cheol PARK, Sang-In Cho, Dong Hun Lee, Byung Jang Jeong | 2015-09-08 |
| 9002353 | Apparatus and method of calculating available channels considering priority in TVWS | Sang-In Cho, Jae Cheol PARK, Byung Jang Jeong | 2015-04-07 |
| 8942744 | White space use system with connecting cognitive signal | Sang-In Cho, Byung Jang Jeong | 2015-01-27 |
| RE44413 | FIR filter of DS-CDMA UWB modem transmitter and control method thereof | Bub Joo Kang, Sangsung Choi, Kwang Roh Park | 2013-08-06 |
| 8503955 | Apparatus and method for detecting signal in common frequency band | Sang-In Cho, Heon Jin Hong | 2013-08-06 |
| 8045448 | Apparatus and method for detecting packet of zero-padded OFDM signal | Sang-In Cho, Sangsung Choi | 2011-10-25 |
| 8009728 | Parallel equalizer for DS-CDMA UWB system and method thereof | Cheol Shin, Sung Woo Choi, Sang-In Cho, Sang-Sung Choi, Kwang Roh Park | 2011-08-30 |
| 8000397 | Method and apparatus for acquiring OFDM synchronization | Sang-In Cho, Sang-Sung Choi | 2011-08-16 |
| 7953199 | Synchronization error tracking device and method thereof | Sang-In Cho, Sung Woo Choi, Sangsung Choi | 2011-05-31 |
| 7945227 | Apparatus and method for controlling voltage gain in ultra wideband receiving apparatus | Sang-In Cho, Sang-Sung Choi | 2011-05-17 |
| 7924953 | Apparatus and method for detecting time-frequency code in MB-OFDM UWB system | Sung Woo Choi, Cheol Shin, Sang-Sung Choi | 2011-04-12 |
| 7912891 | High speed low power fixed-point multiplier and method thereof | Sang-In Cho, Cheol Shin, Sung Woo Choi, Sang-Sung Choi, Jin-Gyun Chung +1 more | 2011-03-22 |
| 7830973 | Apparatus and method for detecting preamble packet in orthogonal frequency-division multiplexing system | Sang-In Cho, Cheol Shin, Sang-Sung Choi, Kwang Roh Park | 2010-11-09 |