Deok-Kyu HWANG


22 OSIC Receiver for Hierarchical Constellation
Deok-Kyu HWANG Sooyong CHOI Keum-Chan WHANG 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/09/01
Vol. E93-B  No. 9  pp. 2458-2461
Type of Manuscript:  LETTER
Category: Wireless Communication Technologies
Keyword: 
OSIChierarchical constellationMIMOQR-decomposition
 Summary | Full Text:PDF

Energy Detector Using a Hybrid Threshold in Cognitive Radio Systems
Jong-Ho KIM Seung-Hoon HWANG Deok-Kyu HWANG 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/10/01
Vol. E92-B  No. 10  pp. 3079-3083
Type of Manuscript:  Special Section LETTER (Special Section on Advanced Information and Communication Technologies and Services in Conjunction with Main Topics of APCC/COIN 2008)
Category: 
Keyword: 
cognitive radioprimary usersecondary userenergy detectorfixed thresholdadaptive thresholdhybrid threshold
 Summary | Full Text:PDF

Joint Optimization of Power Allocation and Detection Ordering for Closed-Loop OSIC System
Deok-Kyu HWANG Seung-Hoon HWANG Keum-Chan WHANG 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/12/01
Vol. E90-B  No. 12  pp. 3606-3611
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
MIMOV-BLASTpower allocationorderingQR decomposition
 Summary | Full Text:PDF