International Patent

  1. Hyun-Ho Choi, Hyo Sun Hwang, Young Jun Hong, Jong Bu Lim, "Multi-cell communication system that performs interference control using relay of terminal," 13/334,357 (2011.12.22), US 9,265,027 (2016.02.16)
  2. Jong Bu Lim, Young-ho Jung, Hyo Sun Hwang, Hyun Gi Ahn, Hyun-Ho Choi, "System and method for transmitting data in a multi-cell network," 12/818,679 (2010.06.18), US 9,112,650 (2015.08.18)
  3. Hyun-Ho Choi, Chang Yong Shin, Kyung Hun Jang, Won Jong Noh, Won Jae Shin, "Cognitive inter-cell interference control method and apparatus," 13/034,585 (2011.02.24), US 9,072,103 (2015.06.30)
  4. Hyo Sun Hwang, Tae Soo Kwon, Tae In Hyon, Kyung Hun Jang, In Sun Lee, Youngsoo Kim, Hyun Gi Ahn, Hyun-Ho Choi, "Mini base station connectable with internet and terminal," 12/107,319 (2008.04.22), US 9,020,563 (2015.04.28)
  5. Hyun-Ho Choi, Kyung Hun Jang, Chang Yong Shin, Won Jong Noh, Won Jae Shin, "Communication system of performing uplink communication and downlink communication using overlapping radio resource," 12/961,713 (2010.12.07), US 9,020,515 (2015.04.28)
  6. Won Jae Shin, Wan Choi, Hyun-Ho Choi, Myung Gil Kang, Chang Yong Shin, Won Jong Noh, "Apparatus and method for hierarchical rate splitting in hierarchical cell communication system," 13/297,943 (2011.11.16), US 9,014,707 (2015.04.21)
  7. Won Jae Shin, Nam Yoon Lee, Chang Yong Shin, Kyung Hun Jang, Won Jong Noh, Hyun-Ho Choi, "System and method for aligning interference in uplink," 13/166,342 (2011.06.22), US 9,002,279 (2015.04.07)
  8. Hyun-Ho Choi, Woongsup Lee, Dong Ho Cho, Ohyun Jo, Ki Song Lee, "Cognitive radio communication system using multiple input multiple output communication scheme," 12/400,264 (2009.03.09), US 8,982,996 (2015.03.17)
  9. Won Jae Shin, Hyun-Ho Choi, Nam Yoon Lee, Won Jong Noh, Chang Yong Shin, Kyung Hun Jang, "Beamforming method and apparatus using a rate splitting scheme in a multi-cell multi-antenna interference channel," 12/909,997 (2010.10.22), US 8,976,892 (2015.03.10)
  10. Hyun-Ho Choi, Pramod Viswanath, Chang Yong Shin, Won Jong Noh, Won Jae Shin, "System and method using a rate split scheme based on cooperation between receivers," 13/783,522 (2013.03.04), US 8,971,945 (2015.03.03)
  11. Hyun-Ho Choi, Yong Ho Cho, Jung Hyun Park, Dong Jo Park, "Cognitive radio communication system recognizing interference based on known signal," 13/891,347 (2013.05.10), US 8,958,756 (2015.02.17)
  12. Won Jong Noh, Chang Yong Shin, Hyun-Ho Choi, Won Jae Shin, "Communication method of macro base station and micro base station for interference control," 13/194,266 (2011.07.29), US 8,903,405 (2014.12.02)
  13. Won Jong Noh, Hyun-Ho Choi, Won Jae Shin, Sang Uk Park, Dong Jo Park, Chang Yong Shin, Joon Tae Kim, Seung Won Choi, Jung Min Moon, Dong Ho Cho, "Communication method of neighboring terminal and target terminal," 13/326,595 (2011.12.15), US 8,892,150 (2014.11.18)
  14. Tae Soo Kwon, Hyun Gi Ahn, Tae In Hyon, Kyung Hun Jang, In Sun Lee, Youngsoo Kim, Hyo Sun Hwang, Hyun-Ho Choi, "Frequency spectrum sensing method using pilot signal and cognitive radio system using the same," 12/039,901 (2008.02.29), US 8,868,097 (2014.10.21)
  15. Hyun-Ho Choi, Jong Bu Lim, Byoung Hoon Jung, Dan Keun Sung, Seon Yeob Baek, Kab Seok Ko, Ji Young Cha, "Method for multi-point cooperation considering delay in a wireless communication system," 12/731,296 (2010.03.25), US 8,812,675 (2014.08.19)
  16. Hyo Sun Hwang, Kyung Hun Jang, Hyun-Ho Choi, "System and method for cooperative inter-cell interference control," 12/774,759 (2010.05.06), US 8,787,922 (2014.07.22)
  17. Hyun-Ho Choi, Tae In Hyon, Hyo Sun Hwang, In Sun Lee, Young Soo Kim, Hyun Gi Ahn, "Access point, mobile station for wireless communication system, and method for controlling the same," 11/959,532 (2007.12.19), US 8,761,780 (2014.06.24)
  18. Hyun-Ho Choi, et al., "Cooperative communication methods and a device for a target terminal and a cooperative terminal," Application no.: 2011-295637, Application date: 20111114, Reg. no.: 8731553, Reg. date: 20140520, Reg. country: US
  19. Hyun-Ho Choi, et al., "Communication system for distributedly managing interference using feedback message," Application no.: 2010-715436, Application date: 20100302, Reg. no.: 8718658, Reg. date: 20140506, Reg. country: US
  20. Hyun-Ho Choi, et al., "Method and apparatus of controlling access mode for communication system using shared or unlicensed band," Application no.: 2008-133469, Application date: 20080605, Reg. no.: 8681765, Reg. date: 20140325, Reg. country: US
  21. Hyun-Ho Choi, et al., "Communication method of mobile terminal, pico base station, and macro base station in heterogeneous network," Application no.: 2011-102021, Application date: 20110505, Reg. no.: 8644835, Reg. date: 20140204, Reg. country: US
  22. Hyun-Ho Choi, et al., "Apparatus and method for storing hand over information," Application no.: 2007-869194, Application date: 20071009, Reg. no.: 8554210, Reg. date: 20131008, Reg. country: US
  23. Hyun-Ho Choi, et al., "Communication method of a mobile terminal and method of advertising to a mobile terminal," Application no.: 2011-013617, Application date: 20110125, Reg. no.: 8548504, Reg. date: 20131001, Reg. country: US
  24. Hyun-Ho Choi, et al., "Clustering method and communication device for coordinated multipoint transmission," Application no.: 2009-637784, Application date: 20091215, Reg. no.: 8543150, Reg. date: 20130924, Reg. country: US
  25. Hyun-Ho Choi, et al., "Method and apparatus for determining downlink beamforming vectors in hierarchical cell communication system," Application no.: 2011-236333, Application date: 20110919, Reg. no.: 8532647, Reg. date: 20130910, Reg. country: US
  26. Hyun-Ho Choi, et al., "Cognitive radio communication system recognizing interference based on known signal," Application no.: 2009-349303, Application date: 20090106, Reg. no.: 8515357, Reg. date: 20130820, Reg. country: US
  27. Hyun-Ho Choi, et al., "Cognitive radio communication apparatus and radio access technology selection method of cognitive radio communication apparatus," Application no.: 2010-846163, Application date: 20100729, Reg. no.: 8427973, Reg. date: 20130423, Reg. country: US
  28. Hyun-Ho Choi, et al., "Method and apparatus of controlling inter cell interference based on cooperation of intra cell terminals," Application no.: 2011-157181, Application date: 20110609, Reg. no.: 8412104, Reg. date: 20130402, Reg. country: US
  29. Hyun-Ho Choi, et al., "System and method using rate split scheme based on cooperation between receivers," Application no.: 2010-830261, Application date: 20100702, Reg. no.: 8412252, Reg. date: 20130402, Reg. country: US
  30. Hyun-Ho Choi, et al., "Multi-cell communication apparatus and method using rate-splitting scheme and transmission frame," Application no.: 2010-844162, Application date: 20100727, Reg. no.: 8406803, Reg. date: 20130326, Reg. country: US
  31. Hyun-Ho Choi, et al., "Hierarchical-cell communication system using asymmetric feedback scheme based on class of access network," Application no.: 2010-790765, Application date: 20100528, Reg. no.: 8400904, Reg. date: 20130319, Reg. country: US
  32. Hyun-Ho Choi, et al., "Communication system and method for single-point transmission and reception and coordinated multi-point transmission and reception," Application no.: 2010-759233, Application date: 20100413, Reg. no.: 8391227, Reg. date: 20130305, Reg. country: US
  33. Hyun-Ho Choi, et al., "Method of controlling antenna of moving object and system using the same," Application no.: 2007-876227, Application date: 20071022, Reg. no.: 8385870, Reg. date: 20130226, Reg. country: US
  34. Hyun-Ho Choi, et al., "Base station and mobile station for processing wireless communication with each other, and method for controlling the same," Application no.: 2008-019824, Application date: 20080125, Reg. no.: 8331295, Reg. date: 20121211, Reg. country: US
  35. Jung-Ryun Lee, Hyun-Ho Choi, Hyun-Sik Kang, Oh-Young Song, "Mobile terminal and handover method for the mobile terminal," Application no.: 12849961, Application date: 20100804, Reg. no.: 8301147, Reg. date: 20121030, Reg. country: US
  36. Hyun-Ho Choi, Jang Kyung Hun, Park Jung Hyun, Cho Yong Ho, Park Dong Jo, "Low density parity code encoding device and decoding device and encoding and decoding methods thereof," Application no.: 12268534, Application date: 20081111, Reg. no.: 8281206, Reg. date: 20121002, Reg. country: US
  37. Hyun-Ho Choi, Jang Kyung Hun, Hwang Hyo Sun, "Cognitive radio communication device for performing spectrum sensing and data communication," Application no.: 2009-424995, Application date: 20090416, Reg. no.: 8275072, Reg. date: 20120925, Reg. country: US
  38. Hyun-Ho Choi, Hyo Sun Hwang, Tae In Hyon, Kyung Hun Jang, In Sun Lee, Hyun Gi Ahn, Yong Ho Cho, Dong Jo Park, Jung Hyun Park, "Apparatus for determining interference using cyclic prefix and method thereof," Application no.: 2008-042521, Application date: 20080305, Reg. no.: 8185055, Reg. date: 20120522, Reg. country: US
  39. Hyun-Ho Choi, Jang Kyung Hun, Kim Youngsoo, Hwang Chan Soo, Hwang Hyo Sun, "Cognitive radio communication terminal and method for detecting collision using feature detection," Application no.: 2009-400193, Application date: 20090309, Reg. no.: 8149865, Reg. date: 20120403, Reg. country: US
  40. Ahn Hyun Gi, Hyon Tae In, Jang Kyung Hun, Lee In Sun, Kim Youngsoo, Hwang Hyo Sun, Hyun-Ho Choi, Kim Seungmo Han Youngnam Choi Wan, "Cognitive radio communication method for controlling sensing operation and cognitive radio communication apparatus enabling the method," Application no.: 2008-128742, Application date: 20080529, Reg. no.: 8126471, Reg. date: 20120228, Reg. country: US
  41. Hyun-Ho Choi, et al., "Cognitive radio communication method using dynamically allocated common control channel information," Application no.: 2009-400073, Application date: 20090309, Reg. no.: 8107966, Reg. date: 20120131, Reg. country: US
  42. Kwon Tae Soo, Lee In Sun, Hwang Hyo Sun, Kim Youngsoo, Hyun-Ho Choi, Lee Young Hoon, Sung Young Chul, Yu Hee Jung Oh Young Seok, "Pilot signal power control apparatus and operation method of pilot signal power control apparatus," Application no.: 2008-038995, Application date: 20080228, Reg. no.: 8099051, Reg. date: 20120117, Reg. country: US
  43. Hyun-Ho Choi, Hyon Tae In, Jang Kyung Hun, Lee In Sun, Kim Youngsoo, "Cognitive radio communication apparatus and method which adaptably controls sensing reference level," Application no.: 2008-168216, Application date: 20080707, Reg. no.: 8086186, Reg. date: 20111227, Reg. country: US
  44. Hyun-Ho Choi, Kwon Tae Soo, Hyon Tae In, Jang Kyung Hun, Lee In Sun, Kim Young Soo, Hwang Hyo Sun, Ahn Hyun Gi, "Method of forwarding/sharing service and device of enabling the method," Application no.: 2008-014211, Application date: 20080115, Reg. no.: 7970910, Reg. date: 20110628, Reg. country: US
  45. Hyun-Ho Choi, Dong-Ho Cho, Doo Seok Kim, "Hybrid power-saving mechanism for VoIP services," Application no.: 11982886, Application date: 2007.11.05, Reg. no.: 08284707, Reg. date: 2012.10.09, Reg. country: US
  46. Eun-Hui Bae, Osok Song, Sung-Ho Choi, Dong-Ho Cho, Hyun-Ho Choi, "System and Method for Seamless Handoff of WLAN-UMTS Interworking," Reg. no.: 7,391,754, Reg. date: 2008.06.24, Reg. country: US