Takayuki YAMADA

Experimental Validation of Digital Pre-distortion Technique for Dual-band Dual-signal Amplification by Single Feedback Architecture Employing Dual-band Mixer
Ikuma ANDO Gia Khanh TRAN Kiyomichi ARAKI Takayuki YAMADA Takana KAHO Yo YAMAGUCHI Tadao NAKAGAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2015/03/01
Vol. E98-C  No. 3  pp. 242-251
Type of Manuscript:  PAPER
Category: Electromagnetic Theory
Keyword: 
User Centric Wireless Network, nonlinear power amplifiers, spectral regrowth, digital predistortion, dual-band mixer, 
 Summary | Full Text:PDF
Nonlinear Modeling and Analysis on Concurrent Amplification of Dual-Band Gaussian Signals
Ikuma ANDO GiaKhanh TRAN Kiyomichi ARAKI Takayuki YAMADA Takana KAHO Yo YAMAGUCHI Kazuhiro UEHARA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/10/01
Vol. E96-C  No. 10  pp. 1254-1262
Type of Manuscript:  Special Section PAPER (Special Section on Emerging Technologies and Applications for Microwave and Millimeter-Wave Systems)
Category: 
Keyword: 
nonlinear power amplifier, spectral regrowth, ACPR, EVM, OFDM, complex Gaussian distribution, Flexible Wireless System, Volterra series expansion, general Wiener model, 
 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
Frame Length Control for Wireless LANs in Fast Mobile Environments
Ryoichi SHINKUMA Takayuki YAMADA Tatsuro TAKAHASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/07/01
Vol. E91-A  No. 7  pp. 1580-1588
Type of Manuscript:  Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
fast-mobile environment, road-vehicle communication, wireless local area network, relative speed, frame length, 
 Summary | Full Text:PDF
Performance Evaluation of Inter-Vehicle Packet Relay for Road-Vehicle Communication in Fast Mobile Environment
Takayuki YAMADA Ryoichi SHINKUMA Tatsuro TAKAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/09/01
Vol. E90-B  No. 9  pp. 2552-2561
Type of Manuscript:  PAPER
Category: Terrestrial Radio Communications
Keyword: 
road-vehicle communication, inter-vehicle communication, relative mobile speed, propagation model, performance evaluation, 
 Summary | Full Text:PDF
Channel Quality Improvement by Inter-Vehicle Packet Relay in Road Vehicle Communication Systems
Takayuki YAMADA Ryoichi SHINKUMA Tatsuro TAKAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/02/01
Vol. E90-B  No. 2  pp. 425-428
Type of Manuscript:  LETTER
Category: Terrestrial Radio Communications
Keyword: 
road-vehicle communication, inter-vehicle communication, relative mobile speed, Doppler shift, 
 Summary | Full Text:PDF