Hyunwoo LEE

An Efficient Shared Adaptive Packet Loss Concealment Scheme through 1-Port Gateway System for Internet Telephony Service
Jinsul KIM  Hyunwoo LEE  Won RYU  Byungsun LEE  Minsoo HAHN 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/05/01
Vol. E91-B  No. 5  pp. 1370-1374
Type of Manuscript: Special Section LETTER (Special Section on Communication Quality)
Category: QoS Control Mechanism and System
Keyword: 
internet telephony service,  packet loss concealment,  all-IP based convergence network,  ubiquitous environment, 
  Summary |  Full Text:PDF
Improved Noise Reduction with Packet Loss Recovery Based on Post-Filtering over IP Networks
Jinsul KIM  Hyunwoo LEE  Won RYU  Seungho HAN  Minsoo HAHN 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/03/01
Vol. E91-B  No. 3  pp. 975-979
Type of Manuscript: LETTER
Category: Multimedia Systems for Communications
Keyword: 
speech distortion,  noise reduction,  packet loss,  post-filtering,  packet-based networks, 
  Summary |  Full Text:PDF
Fast Capture Algorithm of Initial Attitude for Spacecraft Using Reaction Wheels
Hyunwoo LEE  Dong-Jo PARK 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/10/01
Vol. E85-A  No. 10  pp. 2311-2317
Type of Manuscript: PAPER
Category: Systems and Control
Keyword: 
attitude capture,  reaction wheel,  eigenaxis,  near minimum time,  optimization, 
  Summary |  Full Text:PDF