Doohwan LEE

Orbital Angular Momentum (OAM) Multiplexing: An Enabler of a New Era of Wireless Communications
Doohwan LEE Hirofumi SASAKI Hiroyuki FUKUMOTO Ken HIRAGA Tadao NAKAGAWA 
Publication:   
Publication Date: 2017/07/01
Vol. E100-B  No. 7  pp. 1044-1063
Type of Manuscript:  INVITED PAPER (Special Section on Smart Radio and Its Applications in Conjunction with Main Topics of SmartCom)
Category: Transmission Systems and Transmission Equipment for Communications
Keyword: 
orbital angular momentum multiplexing, uniform circular array, Gaussian beam, Bessel beam, lens antenna, 
 Summary | Full Text:PDF
Token-Scheduled High Throughput Data Collection with Topology Adaptability in Wireless Sensor Network
Jinzhi LIU Makoto SUZUKI Doohwan LEE Hiroyuki MORIKAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/08/01
Vol. E97-B  No. 8  pp. 1656-1666
Type of Manuscript:  PAPER
Category: Network
Keyword: 
wireless sensor networks, TDMA, token, multi-channel, scheduling, 
 Summary | Full Text:PDF
Signal Separation and Reconstruction Method for Simultaneously Received Multi-System Signals in Flexible Wireless System
Takayuki YAMADA Doohwan LEE Hiroyuki SHIBA Yo YAMAGUCHI Kazunori AKABANE Kazuhiro UEHARA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/04/01
Vol. E95-B  No. 4  pp. 1085-1092
Type of Manuscript:  Special Section PAPER (Special Section on Cognitive Radio and Heterogeneous Wireless Networks in Conjunction with Main Topics of CrownCom2011)
Category: 
Keyword: 
Flexible Wireless System, signal separation, signal reconstruction, short-time Fourier transform, 
 Summary | Full Text:PDF
Combined Nyquist and Compressed Sampling Method for Radio Wave Data Compression of a Heterogeneous Network System
Doohwan LEE Takayuki YAMADA Hiroyuki SHIBA Yo YAMAGUCHI Kazuhiro UEHARA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/12/01
Vol. E93-B  No. 12  pp. 3238-3247
Type of Manuscript:  Special Section PAPER (Special Section on Wireless Distributed Networks)
Category: 
Keyword: 
compressed sensing, compressive sampling, heterogeneous network system, l1-minimization, cognitive radio, 
 Summary | Full Text:PDF