Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8462865 | Apparatus and method for transmitting a sub-channel signal in a communication system using an orthogonal frequency division multiple access scheme | Jae-Hee Cho, Jae-Ho Jeon, Soon-Young Yoon, Ji-Ho Jang, In-Seok Hwang +3 more | 2013-06-11 |
| 8320306 | Apparatus and method for improving reception performance in a smart antenna system | Yong Seok Kim, Young Hoon Kwon, Soon-Young Yoon | 2012-11-27 |
| 8223704 | Apparatus and method for assigning subchannels in an OFDMA communication system | In-Seok Hwang, Soon-Young Yoon, Jae-Hee Cho, Hoon Huh | 2012-07-17 |
| 8090012 | Apparatus and method for transmitting/receiving channel quality information in a communication system | Jae-Hee Cho, Soon-Young Yoon, Jae-Hwan Chang, Ji-Ho Jang, Pan-Yuh Joo +3 more | 2012-01-03 |
| 7991062 | Apparatus and method for transmitting a sub-channel signal in a communication system using an orthogonal frequency division multiple access scheme | Jae-Hee Cho, Jae-Ho Jeon, Soon-Young Yoon, Ji-Ho Jang, In-Seok Hwang +3 more | 2011-08-02 |
| 7907915 | Apparatus and method for adaptively changing uplink power control scheme according to mobile status in a TDD mobile communication system | Jae-Hee Cho, In-Seok Hwang, Jang-Hoon Yang, Hoon Huh, Soon-Young Yoon +1 more | 2011-03-15 |
| 7715483 | Apparatus and method for transmitting a sub-channel signal in a communication system using an orthogonal frequency division multiple access scheme | Jae-Hee Cho, Jae-Ho Jeon, Soon-Young Yoon, Ji-Ho Jang, In-Seok Hwang +3 more | 2010-05-11 |
| 7711386 | Apparatus and method for selective power control for an OFDM mobile communication system | Joong-Ho Jeong, Yun-Sang Park, Soon-Young Yoon, Jae-Hwan Chang | 2010-05-04 |
| 7668253 | Method for allocating a subchannel in an orthogonal frequency division multiple access cellular communication system | In-Seok Hwang, Jae-Ho Jeon, Soon-Young Yoon, Seung-Joo Maeng, Hoon Huh +2 more | 2010-02-23 |
| 7647073 | Apparatus and method for channel estimation in an SDMA-OFDM system | Jee Hyun Kim, Eun-Sun Choi | 2010-01-12 |
| 7633900 | Apparatus and method for assigning subchannels in an OFDMA communication system | In-Seok Hwang, Soon-Young Yoon, Jae-Hee Cho, Hoon Huh, Kwan-Hee Roh | 2009-12-15 |
| 7623569 | Apparatus and method for estimating interference and noise in a communication system | Jae-Hwan Chang, Yun-Sang Park, Chan Young Kim | 2009-11-24 |
| 7606299 | Apparatus and method for estimating a carrier-to-interference-and-noise ratio in a communication system | Jae-Hwan Chang, Yun-Sang Park | 2009-10-20 |
| 7602843 | Apparatus and method for transmitting/receiving channel quality information in a communication system | Jae-Hee Cho, Soon-Young Yoon, Jae-Hwan Chang, Ji-Ho Jang, Pan-Yuh Joo +3 more | 2009-10-13 |
| 7580400 | Apparatus and method for generating preamble signal for cell identification in an orthogonal frequency division multiplexing system | Joong-Ho Jeong, Yun-Sang Park, Soon-Young Yoon, Tae Gon Kim | 2009-08-25 |
| 7564909 | Apparatus and method for detecting ranging signal in an orthogonal frequency division multiple access mobile communication system | In-Seok Hwang, Soon-Young Yoon, Chung-Ryul Chang, Jae-Hee Cho, Hoon Huh | 2009-07-21 |
| 7561628 | Apparatus and method for cell acquisition and downlink synchronization acquisition in a wireless communication system | Chung-Ryul Chang, Soon-Young Yoon, Jae-Hee Cho, In-Seok Hwang, Hoon Huh | 2009-07-14 |
| 7558535 | Apparatus and method for adaptively changing uplink power control scheme according to mobile status in a TDD mobile communication system | Jae-Hee Cho, In-Seok Hwang, Jang-Hoon Yang, Hoon Huh, Soon-Young Yoon +1 more | 2009-07-07 |
| 7545772 | Apparatus and method for assigning subchannels in an OFDMA communication system | In-Seok Hwang, Soon-Young Yoon, Jae-Hee Cho, Hoon Huh | 2009-06-09 |
| 7502310 | Apparatus and method for assigning subchannel in a mobile communication system using orthogonal frequency division multiple access scheme | In-Seok Hwang, Soon-Young Yoon, Jae-Hee Cho, Hoon Huh, Kwan-Hee Roh | 2009-03-10 |
| 7412242 | Apparatus and method for controlling transmission power in communication systems using orthogonal frequency division multiple access scheme | Jae-Hee Cho, Jae-Ho Jeon, Soon-Young Yoon, In-Seok Hwang, Hoon Huh +1 more | 2008-08-12 |
| 7373150 | Method and system for allocating frequency resources based on multiple frequency reuse factors in cellular communication systems | Jae-Hee Cho, Soon-Young Yoon, In-Seok Hwang, Hoon Huh, Sung-joon Park | 2008-05-13 |