Kyungwhoon CHEUN


180 Rotationally Invariant Repeat-Accumulate Codes
Wangrok OH Kyungwhoon CHEUN 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/05/01
Vol. E92-B  No. 5  pp. 1884-1887
Type of Manuscript:  LETTER
Category: Fundamental Theories for Communications
Keyword: 
repeat-accumulate codesphase synchronizationphase ambiguity
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Symbol Timing Synchronization Algorithms for Wireless LAN Systems in Multipath Channels
Jooyeol YANG Kyungwhoon CHEUN Jeongchang KIM 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/07/01
Vol. E91-B  No. 7  pp. 2198-2204
Type of Manuscript:  PAPER
Category: Transmission Systems and Transmission Equipment for Communications
Keyword: 
multipath channelsOFDMsynchronizationwireless LAN
 Summary | Full Text:PDF(466.6KB)

A Modified Midtread Frequency Quantization Scheme for Digital Phase-Locked Loops
Heejin ROH Kyungwhoon CHEUN 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/03/01
Vol. E87-B  No. 3  pp. 752-755
Type of Manuscript:  LETTER
Category: Transmission Systems and Transmission Equipment
Keyword: 
phase-locked loopsquantizationphase jittercycle slip
 Summary | Full Text:PDF(420.3KB)

Analysis of Decimator-Based Full-Digital Delay-Locked PN Code Tracking Loops for Bandlimited Direct-Sequence Spread-Spectrum Signals in AWGN
Hyoungsoo LIM Kyungwhoon CHEUN 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/10/25
Vol. E81-B  No. 10  pp. 1903-1911
Type of Manuscript:  PAPER
Category: Mobile Communication
Keyword: 
tracking loopsMarkov processes
 Summary | Full Text:PDF(682KB)