DongKu KIM

An Approximation of the Average BER Performance of Multi-Hop AF Relaying Systems with Fixed Gain
JunKyoung LEE SeungHun JANG JangHoon YANG DongKu KIM 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/10/01
Vol. E92-B  No. 10  pp. 3280-3284
Type of Manuscript:  LETTER
Category: Broadcast Systems
Keyword: 
wireless relay channel, multi-hop relay, amplify-and-forward, AF fixed gain relay, 
 Summary | Full Text:PDF
A Near-Exact Sum Rate Approximation of Random Beamforming and Its Application to Mode Optimization
YoHan KIM HyukJin CHAE JangHoon YANG DongKu KIM 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/03/01
Vol. E92-B  No. 3  pp. 1049-1052
Type of Manuscript:  LETTER
Category: Wireless Communication Technologies
Keyword: 
random beamforming, sum rate approximation, multimode transmission, 
 Summary | Full Text:PDF
Spectral Efficiency Improvement of OFDM by Using Time Domain Superimposition of Data
JunKyoung LEE JangHoon YANG DongKu KIM 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/10/01
Vol. E91-B  No. 10  pp. 3355-3359
Type of Manuscript:  LETTER
Category: Wireless Communication Technologies
Keyword: 
OFDM, superimposition, spectral efficiency, PAPR, 
 Summary | Full Text:PDF
Antenna Selective Algebraic STBC Using Error Codebook on Correlated Fading Channels
Rong RAN JangHoon YANG DongKu KIM 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/05/01
Vol. E91-B  No. 5  pp. 1653-1656
Type of Manuscript:  LETTER
Category: Wireless Communication Technologies
Keyword: 
space time block codes, antenna selection, vector quantization, 
 Summary | Full Text:PDF
Hybrid Beamforming Scheme for CDMA Systems to Overcome the Insufficient Pilot Power Problem in Correlated SIMO Channels
Young-Kwan CHOI DongKu KIM 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/03/01
Vol. E88-B  No. 3  pp. 1303-1306
Type of Manuscript:  LETTER
Category: Antennas and Propagation
Keyword: 
single-input-multiple-output (SIMO), hybrid beamformer, CDMA, maximal ratio combining (MRC), 
 Summary | Full Text:PDF