Ji-Woong CHOI


MIMO Soft Near-ML Demodulation with Fixed Low-Complexity Candidate Selection
Ji-Woong CHOI Jungwon LEE Jihwan P. CHOI Hui-Ling LOU 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/09/01
Vol. E95-B  No. 9  pp. 2884-2891
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
near-ML (maximum likelihood) demodulationsoft decodingmultiple-input multiple-output (MIMO)
 Summary | Full Text:PDF(1.1MB)

Complexity-Reduced Channel Estimation in Spatially Correlated MIMO-OFDM Systems
Ji-Woong CHOI Yong-Hwan LEE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/09/01
Vol. E90-B  No. 9  pp. 2609-2612
Type of Manuscript:  LETTER
Category: Wireless Communication Technologies
Keyword: 
channel estimationMIMO-OFDMspatially correlated channel
 Summary | Full Text:PDF(143.9KB)

Performance Analysis of Forward Link DS-CDMA Systems Using Random and Orthogonal Spreading Sequences
Ji-Woong CHOI Yong-Hwan LEE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/08/01
Vol. E87-B  No. 8  pp. 2195-2202
Type of Manuscript:  PAPER
Category: Wireless Communication Technology
Keyword: 
forward link DS-CDMAorthogonal spreading sequencerandom spreading sequence
 Summary | Full Text:PDF(452.5KB)

Efficient Channel Estimation in DS-CDMA Systems
Ji-Woong CHOI Yong-Hwan LEE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/06/01
Vol. E87-B  No. 6  pp. 1470-1478
Type of Manuscript:  PAPER
Category: Wireless Communication Technology
Keyword: 
adaptive channel estimationchannel estimation filterDS-CDMA system
 Summary | Full Text:PDF(576.7KB)

Design of Channel Estimation Filters for Pilot Channel Based DS-CDMA Systems
Ji-Woong CHOI Yong-Hwan LEE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/02/01
Vol. E87-B  No. 2  pp. 227-233
Type of Manuscript:  PAPER
Category: Wireless Communication Technology
Keyword: 
channel estimation filterDS-CDMA systempilot channel
 Summary | Full Text:PDF(513.3KB)