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IEICE Trans

Seungwon CHOI

A Novel Procedure for Implementing a Turbo Decoder on a GPU with Coalesced Memory Access
Heungseop AHN Seungwon CHOI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2017/05/01
Vol. E100-A  No. 5  pp. 1188-1196
Type of Manuscript:  PAPER
Category: Communication Theory and Signals
Keyword: 
GPU, CUDA, turbo decoder, coalesced memory access, SDR, 
 Summary | Full Text:PDF
Design and Implementation of ETSI-Standard Reconfigurable Mobile Device for Heterogeneous Network
Yong JIN Chiyoung AHN Seungwon CHOI Markus MUECK Vladimir IVANOV Tapan K. SARKAR 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/08/01
Vol. E99-B  No. 8  pp. 1874-1883
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
Reconfigurable Radio System, Mobility Policy Manager, Heterogeneous Network, SDR, 
 Summary | Full Text:PDF
A Detection Algorithm to Reduce the Condition Number of the Channel Matrix
Hyunwook YANG Gyuyoung LEE Seungwon CHOI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/02/01
Vol. E98-B  No. 2  pp. 280-287
Type of Manuscript:  PAPER
Category: Fundamental Theories for Communications
Keyword: 
condition number, projection, lattice reduction, Zero-Forcing, 
 Summary | Full Text:PDF
A Novel User Selection Method That Maximizes the Determinant of Channel Auto-Correlation for Multi-User MIMO Systems with Zero-Forcing Precoder
Hyunwook YANG Yeongyu HAN Seungwon CHOI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/07/01
Vol. E97-B  No. 7  pp. 1429-1434
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
MU-MIMO, user selection, determinant, determinant row-exchange criterion, sum-rate, 
 Summary | Full Text:PDF
MU-MIMO Precoding Methods for Reducing the Transmit Normalization Factor by Perturbing Data of the Codebook
Hyunwook YANG Seungwon CHOI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/07/01
Vol. E95-B  No. 7  pp. 2405-2413
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
MU-MIMO, precoding, vector perturbation, codebook, Doppler frequency, 
 Summary | Full Text:PDF
Joint Design of Uplink-Downlink MIMO Relay Networks Using Duality
Seungwon CHOI Jung-Hyun PARK Seokkwon KIM Dong-Jo PARK 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/01/01
Vol. E95-B  No. 1  pp. 333-336
Type of Manuscript:  LETTER
Category: Wireless Communication Technologies
Keyword: 
minimum mean squre error (MMSE), relay, MIMO, duality, 
 Summary | Full Text:PDF
Efficient User Scheduling Algorithm for Enhancing Zero-Forcing Beamforming in MIMO Broadcast Channels
Changeui SHIN Hyunsung GO Seungwon CHOI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/10/01
Vol. E94-B  No. 10  pp. 2908-2911
Type of Manuscript:  LETTER
Category: Wireless Communication Technologies
Keyword: 
MU-MIMO, user selection, multiuser channels, Diversity methods, Broadcast channels, 
 Summary | Full Text:PDF
A User Selection Algorithm Providing Maximum Sum-Rate for Multiuser MIMO Systems
Taeyoul OH Seungheon HYEON Hyunsung GO Seungwon CHOI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/05/01
Vol. E93-B  No. 5  pp. 1302-1305
Type of Manuscript:  LETTER
Category: Wireless Communication Technologies
Keyword: 
SDMA, multiuser MIMO, multiuser diversity, user scheduling, 
 Summary | Full Text:PDF
Compact Representation of Green Function Using Discrete Wavelet Concept for Fast Field Analysis
Hyung-Hoon KIM Saehoon JU Seungwon CHOI Jong-Il PARK Hyeongdong KIM 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/12/01
Vol. E89-B  No. 12  pp. 3491-3493
Type of Manuscript:  LETTER
Category: Antennas and Propagation
Keyword: 
Green function, wavelet transform, integral equation method, 
 Summary | Full Text:PDF
An Efficient Time-Domain Electromagnetic Solution Using the Time-Domain Variable Resolution Concept
Hyung-Hoon KIM Saehoon JU Seungwon CHOI Jong-Il PARK Hyeongdong KIM 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/12/01
Vol. E89-B  No. 12  pp. 3487-3490
Type of Manuscript:  LETTER
Category: Antennas and Propagation
Keyword: 
ADI technique, FDTD, computational electromagnetics, 
 Summary | Full Text:PDF
On-Off Beamforming Algorithm Based on Eigen-Space Method for a Smart Antenna in IS-2000 1X Signal Environments
Zhengzi LI Weon-Cheol LEE Sungsoo AHN Seungwon CHOI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/12/01
Vol. E88-B  No. 12  pp. 4678-4681
Type of Manuscript:  LETTER
Category: Wireless Communication Technologies
Keyword: 
smart antenna, on-off beamforming, CDMA, 
 Summary | Full Text:PDF
An Adaptive Beamforming Technique for Smart Antennas in WCDMA System
Weon-cheol LEE Seungwon CHOI Jinho CHOI Minsoo SUK 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/09/01
Vol. E86-B  No. 9  pp. 2838-2843
Type of Manuscript:  LETTER
Category: Antennas and Propagation
Keyword: 
CDMA, smart antenna, angular spread, 
 Summary | Full Text:PDF
An Adaptive Beam-forming Algorithm for Smart Antenna System in Practical CDMA Environments
Minsoo KIM Sungsoo AHN Seungwon CHOI Tapan K. SARKAR 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/03/01
Vol. E86-B  No. 3  pp. 1163-1169
Type of Manuscript:  LETTER
Category: Wireless Communication Technology
Keyword: 
power method, adaptive array, maximum eigenvalue, IS2000 1X, 
 Summary | Full Text:PDF
Performance Analysis of a Generalized On-Off Algorithm for Smart Antenna System in IS2000 1X Signal Environment
Zhengzi LI Sungsoo AHN Seungwon CHOI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/11/01
Vol. E85-B  No. 11  pp. 2547-2550
Type of Manuscript:  LETTER
Category: Antenna and Propagation
Keyword: 
smart antenna, IS2000 1X, wireless modulation/demodulation, digital signal processing, 
 Summary | Full Text:PDF
An Adaptive Beamforming Algorithm with a Linear Complexity for a Multipath Fading CDMA Channel
Sungsoo AHN Seungwon CHOI Tapan K. SARKAR 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/08/01
Vol. E84-B  No. 8  pp. 2317-2320
Type of Manuscript:  LETTER
Category: Antenna and Propagation
Keyword: 
adaptive beamforming, gradient-sign, CDMA, mobile communication, 
 Summary | Full Text:PDF