21 Method and apparatus for aligning interference using a feed forward index in a hierarchical cell communication system Inventor: W. Shin, N. Lee, W. Noh, H. Choi, C. Shin, and K. Jang Application No.: the U.S. patent Application Date: 2011-05-01

20 Communication apparatus and precoding method based on multiple cells and multiple users Inventor: W. Shin, N. Lee, Y. Hong, C. Shin, and K. Jang Application No.: EP2530848 Application Date: 2010-12-01

19 다중 셀 다중 사용자 기반의 프리코딩 방법 및 통신 장치 Inventor: W. Shin, N. Lee, Y. Hong, C. Shin, and K. Jang Application No.: KR1020100057554 Application Date: 2010-06-01 Registration No.: KR1016709460000 Registration Date: 2016-10-01

18 Communication apparatus and precoding method based on multiple cells and multiple users Inventor: W. Shin, N. Lee, Y. Hong, C. Shin, and K. Jang Application No.: US9231795 Application Date: 2010-11-01

17 Communication system performing interference alignment and interference alignment method Inventor: D. Park, Y. Kim, N. Lee, and E. Kim Application No.: US8462873 Application Date: 2010-06-01

16 간섭 정렬을 수행하는 통신 시스템 및 그 방법 Inventor: D. Park, Y. Kim, N. Lee, and E. Kim Application No.: KR1020090082122 Application Date: 2009-09-01 Registration No.: KR1015875630000 Registration Date: 2016-01-01

15 Beamforming method and apparatus for using rate splitting scheme in multi-cell multi-antenna interference channel Inventor: W. Shin, N. Lee, H. Choi, W. Noh, C. Shin, and K. Jang Application No.: US8976892B2 Application Date: 2010-05-01

14 다중 셀 다중 안테나 시스템에서 레이트 스플리팅 기법을 사용하기 위한 빔포밍 방법 및 장치 Inventor: W. Shin, N. Lee, H. Choi, W. Noh, C. Shin, and K. Jang Application No.: KR1020100025819 Application Date: 2010-03-01 Registration No.: KR1016360290000 Registration Date: 2016-06-01

13 Mobile station, base station and operation method of mobile station Inventor: W. Shin, N. Lee, C. Shin, K. Jang, and E. Ko Application No.: US8442543 Application Date: 2010-04-01

12 단말기 및 기지국, 및 단말기의 동작 방법 Inventor: W. Shin, N. Lee, C. Shin, K. Jang, and E. Ko Application No.: KR1020090062849 Application Date: 2009-07-01 Registration No.: KR1015682910000 Registration Date: 2015-11-01

11 Adaptive interference alignment precoding and decoding to prevent multi-cell interference Inventor: N. Lee, Y. Kim, and D. Park Application No.: US8548384 Application Date: 2009-11-01

10 단말 장치 및 네트워크 제어장치 Inventor: N. Lee, Y. Kim, and D. Park Application No.: KR1020090025199 Application Date: 2009-03-01 Registration No.: KR1015302000000 Registration Date: 2015-06-01

09 간섭 채널에서의 선형 프리코딩 방법 및 장치 Inventor: N. Lee, Y. Kim, S. Park, I. Lee, and H. Sung Application No.: KR1020090093324 Application Date: 2009-09-01 Registration No.: KR1015668600000 Registration Date: 2015-11-01

08 Devices and methods for transmitting and receiving data using precoding matrix Inventor: W. Shin, N. Lee, Y. Kim, Y. Hong and E. Kim Application No.: US8744361 Application Date: 2009-08-01

07 프리코딩 행렬을 이용한 데이터 송수신 방법 및 단말기 Inventor: W. Shin, N. Lee, Y. Kim, Y. Hong and E. Kim Application No.: KR1020090076063 Application Date: 2009-08-01 Registration No.: KR1015786500000 Registration Date: 2015-12-01