Taisuke IHARA


Experimental Evaluation of Coherent Adaptive Antenna Array Diversity Receiver Employing Optical Fiber Interface in IF Stage
Taisuke IHARA Hidekazu TAOKA Kenichi HIGUCHI Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/07/01
Vol. E86-A  No. 7  pp. 1676-1688
Type of Manuscript:  Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
optical fiber feederadaptive antenna arrayinterference suppressionW-CDMA
 Summary | Full Text:PDF(2.2MB)

Experiments on Coherent Adaptive Antenna Array Diversity Receiver Based on Antenna-Weight Generation Common to Paths in W-CDMA Reverse Link
Hidekazu TAOKA Shinya TANAKA Taisuke IHARA Kenichi HIGUCHI Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/01/01
Vol. E86-B  No. 1  pp. 191-205
Type of Manuscript:  Special Section PAPER (Special Issue on Multiple Access and Signal Transmission Techniques for Future Mobile Communications)
Category: 
Keyword: 
DS-CDMAadaptive antenna arrayinterference suppression
 Summary | Full Text:PDF(2.9MB)

Evaluation of Optimum Adaptive Antenna Array Beam Forming Configuration Considering Diversity Effect in W-CDMA Forward Link
Satoru FUKUMOTO Taisuke IHARA Mamoru SAWAHASHI Iwao SASASE 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/07/01
Vol. E85-A  No. 7  pp. 1594-1603
Type of Manuscript:  Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
W-CDMAadaptive antenna array beam formingtransmit diversityfast transmission power controlmobile radio
 Summary | Full Text:PDF(1.4MB)

Optimum Weight Generation Method for Adaptive Antenna Array Transmit Diversity in W-CDMA Forward Link
Shinya TANAKA Taisuke IHARA Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/12/01
Vol. E84-A  No. 12  pp. 3035-3044
Type of Manuscript:  Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
DS-CDMAadaptive antenna arrayinterference suppressioncarrier frequency calibration
 Summary | Full Text:PDF(1.8MB)

Fast Two-Step Beam Tracking Algorithm of Coherent Adaptive Antenna Array Diversity Receiver in W-CDMA Reverse Link
Taisuke IHARA Shinya TANAKA Mamoru SAWAHASHI Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/07/01
Vol. E84-B  No. 7  pp. 1835-1848
Type of Manuscript:  Special Section PAPER (Special Issue on Adaptive Array Antenna Techniques for Advanced Wireless Communications)
Category: Application to CDMA
Keyword: 
DS-CDMAadaptive antenna arraybeam trackingmobile radio communication
 Summary | Full Text:PDF(2.3MB)

Comparison of Coherent Adaptive Antenna Array Diversity and Multi-Beam Receivers for Packet Transmission in W-CDMA Reverse Link
Naoki NAKAMINAMI Shinya TANAKA Taisuke IHARA Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/07/01
Vol. E84-B  No. 7  pp. 1823-1834
Type of Manuscript:  Special Section PAPER (Special Issue on Adaptive Array Antenna Techniques for Advanced Wireless Communications)
Category: Application to CDMA
Keyword: 
DS-CDMAadaptive antenna array diversityinterference suppressionmulti-beam
 Summary | Full Text:PDF(1.6MB)

Experiments on Decision Feedback Type Coherent Adaptive Antenna Array Diversity Receiver in W-CDMA Reverse Link
Shinya TANAKA Hidekazu TAOKA Taisuke IHARA Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/07/01
Vol. E84-B  No. 7  pp. 1849-1860
Type of Manuscript:  Special Section PAPER (Special Issue on Adaptive Array Antenna Techniques for Advanced Wireless Communications)
Category: Application to CDMA
Keyword: 
DS-CDMAadaptive antenna arrayinterference suppressiondecision feedback data
 Summary | Full Text:PDF(1.3MB)

Combined Effect of Coherent Adaptive Antenna Array Diversity and SINR-Based Fast Transmit Power Control in W-CDMA Reverse Link
Shinya TANAKA Atsushi HARADA Taisuke IHARA Mamoru SAWAHASHI Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/03/01
Vol. E84-B  No. 3  pp. 425-434
Type of Manuscript:  Special Section PAPER (Special Issue on Innovative Mobile Communication Technologies at the Dawn of the 21st Century)
Category: 
Keyword: 
mobile communicationW-CDMAadaptive antenna arrayfast transmit power control
 Summary | Full Text:PDF(851KB)

Experimental Evaluations on Array Antenna Configuration of Adaptive Antenna Array Diversity Receiver in W-CDMA Reverse Link
Taisuke IHARA Shinya TANAKA Atsushi HARADA Mamoru SAWAHASHI Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/11/25
Vol. E83-A  No. 11  pp. 2120-2128
Type of Manuscript:  Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
mobile radio communicationDS-CDMAadaptive antenna arrayinterference suppressing
 Summary | Full Text:PDF(2MB)