Heiichi YAMAMOTO


Dipole Array Antenna Assisted Doppler Spread Compensator with MRC Diversity for ISDB-T Receiver
Young-Cheol YU Minoru OKADA Heiichi YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/05/01
Vol. E90-B  No. 5  pp. 1214-1221
Type of Manuscript:  PAPER
Category: Broadcast Systems
Keyword: 
DTTBarray-antennaDoppler spreaddiversity
 Summary | Full Text:PDF(1.3MB)

Novel Array Antenna Assisted Adaptive Modulation Scheme for Fast Fading Channel
Tomotaka WADA Minoru OKADA Heiichi YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/08/01
Vol. E88-B  No. 8  pp. 3383-3392
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
adaptive modulationfast fadingarray antennaDoppler spread compensatorBERthroughput
 Summary | Full Text:PDF(2MB)

Antenna Verification Method for Multipath Interference Canceller Based on Replica Generation per Transmit Antenna with Phase Control Transmit Diversity in W-CDMA Forward Link
Akhmad Unggul PRIANTORO Heiichi YAMAMOTO Kenichi HIGUCHI Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/08/01
Vol. E87-B  No. 8  pp. 2250-2263
Type of Manuscript:  PAPER
Category: Terrestrial Radio Communications
Keyword: 
DS-CDMAinterference cancellertransmit diversityantenna verification
 Summary | Full Text:PDF(3MB)

Investigation of Channel Estimation Method for Adaptive Antenna Array Transmit Diversity in W-CDMA Forward Link
Shinya TANAKA Mamoru SAWAHASHI Heiichi YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/12/01
Vol. E85-B  No. 12  pp. 2630-2639
Type of Manuscript:  Special Section PAPER (Special Issue on Software Defined Radio Technology and Its Applications)
Category: 
Keyword: 
DS-CDMAadaptive antenna arrayinterference suppressionchannel estimation
 Summary | Full Text:PDF(2MB)

Multipath Interference Canceller for Orthogonal Code-Multiplexed Channels and Its Performance in W-CDMA Forward Link
Akhmad Unggul PRIANTORO Heiichi YAMAMOTO Kenichi HIGUCHI Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/07/01
Vol. E85-A  No. 7  pp. 1524-1535
Type of Manuscript:  Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
W-CDMAforward linkorthogonal variable spreading factormultipath interference canceller
 Summary | Full Text:PDF(2.1MB)

Coherent Delay-Locked Code Tracking Loop Using Time-Multiplexed Pilot for DS-CDMA Mobile Radio
Mamoru SAWAHASHI Fumiyuki ADACHI Heiichi YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/07/25
Vol. E81-B  No. 7  pp. 1426-1432
Type of Manuscript:  Special Section PAPER (Special Issue on Third Generation Land Mobile Communication Systems)
Category: 
Keyword: 
delay-locked loopDS-CDMAmobile radio
 Summary | Full Text:PDF(525.1KB)