CK

Chang-Hoi Koo

Samsung: 84 patents #657 of 75,807Top 1%
BC Beijing Samsung Telecom R&D Center: 1 patents #28 of 73Top 40%
Overall (All Time): #20,692 of 4,157,543Top 1%
84
Patents All Time

Issued Patents All Time

Showing 26–50 of 84 patents

Patent #TitleCo-InventorsDate
7676230 System and method for allocating a channel quality information channel in a communication system Hyun-Jeong Kang, Hyoung-Kyu Lim, Hong-Sung Chang, Yeong-Moon Son, Sung-Jin Lee +2 more 2010-03-09
7653022 System and method for updating a sleep ID of a mobile station in a BWA communication system Hyun-Jeong Kang, Jung-Je Son, Hyoung-Kyu Lim, Yeong-Moon Son, Sung-Jin Lee 2010-01-26
7623864 System and method for handover to minimize service delay due to ping pong effect in BWA communication system Hyun-Jeong Kang, Jung-Je Son, Hyoung-Kyu Lim, Yeong-Moon Son, So-Hyun Kim +1 more 2009-11-24
7609635 Method of controlling reverse transmission in a mobile communication system Beom-Sik Bae, Dong-Seek Park, Dae-Gyun Kim 2009-10-27
7603147 System and method for periodic ranging in a sleep mode in a BWA communication system Yeong-Moon Son, Jung-Je Son, Hyoung-Kyu Lim, Hyun-Jeong Kang, So-Hyun Kim +1 more 2009-10-13
7593732 System and method for supporting soft handover in a broadband wireless access communication system So-Hyun Kim, Jung-Je Son, Hyoung-Kyu Lim, Yeong-Moon Son, Sung-Jin Lee +1 more 2009-09-22
7593731 System and method for performing a fast handover in a broadband wireless access communication system Hyoung-Kyu Lim, Jung-Je Son, Yeong-Moon Son, Hyun-Jeong Kang, So-Hyun Kim +1 more 2009-09-22
7587212 System and method for allocating ranging slots in a broadband wireless access communication system Hyun-Jeong Kang, Jung-Je Son, Bongseog Jang 2009-09-08
7570618 System and method for performing handover in a broadband wireless access communication system Jung-Je Son, Yeong-Moon Son, Sung-Jin Lee, So-Hyun Kim, Hyun-Jeong Kang 2009-08-04
7522553 System and method for updating a sleep ID of a mobile station in a BWA communication system Hyun-Jeong Kang, Jung-Je Son, Hyoung-Kyu Lim, Yeong-Moon Son, Sung-Jin Lee 2009-04-21
7519368 System and method for performing network re-entry in a communication system Hyoung-Kyu Lim, Hong-Sung Chang, Jung-Je Son, Sung-Jin Lee, Hyun-Jeong Kang +1 more 2009-04-14
7515559 Handoff system using an initial ranging scheme in a broadband wireless access communication system and method for controlling the same Jung-Je Son, So-Hyun Kim 2009-04-07
7512153 Apparatus and method for controlling a reverse traffic rate in a mobile communication system Hwan-Joon Kwon, Youn-Sun Kim, Dong-Hee Kim, Dae-Gyun Kim, Jung-Soo Jung +1 more 2009-03-31
7493090 System and method for flexibly configuring length of neighbor base station information in broadband wireless access communication system Sung-Jin Lee, Jung-Je Son, Hyoung-Kyu Lim, Hyun-Jeong Kang, Yeong-Moon Son 2009-02-17
7483447 Apparatus and method for exchanging variable-length data according to radio link protocol in mobile communication system Hoon Chang, Hyun Seok Lee, Dae-Gyun Kim 2009-01-27
7480509 Handover system and method for minimizing service delay due to pingpong effect in a broadband wireless access communication system Hyun-Jeong Kang, Jung-Je Son, Hyoung-Kyu Lim, Yeong-Moon Son, So-Hyun Kim +1 more 2009-01-20
7450909 Apparatus and method for signal transmission and reception using downlink channel information in a sleep mode in a BWA communication system Jae-Weon Cho, Jung-Je Son, Pan-Yuh Joo, Yeong-Moon Son, Young-Bin Chang +4 more 2008-11-11
7440759 System and method for dynamic channel allocation in a communication system using an orthogonal frequency division multiple access network Hyun-Jeong Kang, Jung-Je Son, Yeong-Moon Son, So-Hyun Kim, Sung-Jin Lee 2008-10-21
7430418 System and method for selecting a serving base station according to a drop of a mobile subscriber station in a broadband wireless access communication system Hyun-Jeong Kang, Jung-Je Son, Yeong-Moon Son, So-Hyun Kim, Sung-Jin Lee 2008-09-30
7400898 Method for operation of HARQ in a broadband wireless access communication system Hyon-Goo Kang, Seung Eun Hong, Yeong-Moon Son, Geun-Hwi Lim, So-Hyun Kim +5 more 2008-07-15
7400642 Apparatus and method for controlling operational states of medium access control layer in a broadband wireless access communication system Hyun-Jeong Kang, So-Hyun Kim, Sung-Jin Lee, Yeong-Moon Son, Jung-Je Son 2008-07-15
7391750 System and method for dynamically allocating resources in a mobile communication system employing orthogonal frequency division multiple access So-Hyun Kim, Jung-Je Son, Yeong-Moon Son, Sung-Jin Lee, Hyun-Jeong Kang 2008-06-24
7369853 System and method for implementing a handoff in a traffic state in a broadband wireless access communication system Jung-Je Son, So-Hyun Kim 2008-05-06
7363038 System and method for performing handover operation in broadband wireless access communication system So-Hyun Kim, Jung-Je Son 2008-04-22
7355960 Channel estimation apparatus and method for adaptive channel allocation in an orthogonal frequency division multiple access system Hyun-Jeong Kang, Jung-Je Son, Bongseog Jang 2008-04-08