Takahiro KOBAYASHI


Improvement of Hump Phenomenon of Thin-Film Transistor by SiNX Film
Takahiro KOBAYASHI Naoto MATSUO Akira HEYA Shin YOKOYAMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2014/11/01
Vol. E97-C  No. 11  pp. 1112-1116
Type of Manuscript:  PAPER
Category: Semiconductor Materials and Devices
Keyword: 
TFTSiNX filmfixed chargehump phenomenon
 Summary | Full Text:PDF(1.3MB)

Dynamic Pilot Channel Transmission with Adaptive Receive Filter Configuration for Cognitive Radio System
Ren SAKATA Tazuko TOMIOKA Takahiro KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/04/01
Vol. E95-B  No. 4  pp. 1256-1265
Type of Manuscript:  Special Section PAPER (Special Section on Cognitive Radio and Heterogeneous Wireless Networks in Conjunction with Main Topics of CrownCom2011)
Category: 
Keyword: 
cognitive pilot signaldifferential code parallel transmissionadaptive equalizer
 Summary | Full Text:PDF(1.4MB)

Performance Analysis of Control Signal Transmission Technique for Cognitive Radios in Dynamic Spectrum Access Networks
Ren SAKATA Tazuko TOMIOKA Takahiro KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/12/01
Vol. E92-B  No. 12  pp. 3597-3605
Type of Manuscript:  Special Section PAPER (Special Section on Dynamic Spectrum Access)
Category: Spectrum Allocation
Keyword: 
cognitive radiodynamic spectrum accesscontrol signaldifferential code parallel transmission
 Summary | Full Text:PDF(821.8KB)

A Sidelobe Suppression Technique by Regenerating Null Signals in OFDM-Based Cognitive Radios
Tomoya TANDAI Takahiro KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/12/01
Vol. E92-B  No. 12  pp. 3653-3664
Type of Manuscript:  Special Section PAPER (Special Section on Dynamic Spectrum Access)
Category: Spectrum Sensing
Keyword: 
cognitive radioOFDMsidelobe suppressioninterferenceFFTnull subcarrier
 Summary | Full Text:PDF(1.1MB)