Tetsuya YAMAMOTO


Radio Access Technologies for Fifth Generation Mobile Communications System: Review of Recent Research and Developments in Japan
Hidekazu MURATA Eiji OKAMOTO Manabu MIKAMI Akihiro OKAZAKI Satoshi SUYAMA Takamichi INOUE Jun MASHINO Tetsuya YAMAMOTO Makoto TAROMARU 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/08/01
Vol. E99-B  No. 8  pp. 1638-1647
Type of Manuscript:  INVITED PAPER (Special Section on Advanced Information and Communication Technologies and Services in Conjunction with Main Topics of APCC2015)
Category: Terrestrial Wireless Communication/Broadcasting Technologies
Keyword: 
fifth generation mobile communication systemshigher frequency bandmassive MIMOC-Plane/U-Plane splittingC-RAN
 Summary | Full Text:PDF(2.9MB)

Interference-Aware Channel Segregation Based Dynamic Channel Assignment for Wireless Networks
Yuki MATSUMURA Katsuhiro TEMMA Ren SUGAI Tatsunori OBARA Tetsuya YAMAMOTO Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/05/01
Vol. E98-B  No. 5  pp. 854-860
Type of Manuscript:  PAPER
Category: Network Management/Operation
Keyword: 
channel segregationdynamic channel assignmentco-channel interference
 Summary | Full Text:PDF(1.8MB)

Excess-Bandwidth Transmit Filtering Based on Minimization of Variance of Instantaneous Transmit Power for Low-PAPR SC-FDE
Amnart BOONKAJAY Tatsunori OBARA Tetsuya YAMAMOTO Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/04/01
Vol. E98-B  No. 4  pp. 673-685
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
single-carrier transmissiontransmit filteringpeak-to-average power ratio (PAPR)
 Summary | Full Text:PDF(2.8MB)

Joint Tx/Rx MMSE Filtering for Single-Carrier MIMO Transmission
Shinya KUMAGAI Tatsunori OBARA Tetsuya YAMAMOTO Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/09/01
Vol. E97-B  No. 9  pp. 1967-1976
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
single-carrier transmissionMIMOMMSE filteringrank adaptationadaptive modulation
 Summary | Full Text:PDF(2.5MB)

Training Sequence Inserted OFDM Transmission with MMSE-FDE
Tetsuya YAMAMOTO Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/02/01
Vol. E97-B  No. 2  pp. 476-483
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
OFDMfrequency-domain equalizationtraining sequence
 Summary | Full Text:PDF(1.2MB)

2-Step Frequency-Domain Iterative Channel Estimation for Training Sequence Inserted Single-Carrier Block Transmission
Tetsuya YAMAMOTO Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/01/01
Vol. E97-B  No. 1  pp. 146-154
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
single-carrierfrequency-domain equalizationchannel estimationtraining sequence
 Summary | Full Text:PDF(1.6MB)

Outage Channel Capacity of Direct/Cooperative AF Relay Switched SC-FDMA Using Spectrum Division/Adaptive Subcarrier Allocation
Masayuki NAKADA Tatsunori OBARA Tetsuya YAMAMOTO Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/04/01
Vol. E96-B  No. 4  pp. 1001-1011
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
cooperative AF relaySC-FDMAspectrum division/adaptive subcarrier allocation
 Summary | Full Text:PDF(1.9MB)

2-Step QRM-MLBD for Broadband Single-Carrier Transmission
Katsuhiro TEMMA Tetsuya YAMAMOTO Kyesan LEE Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/04/01
Vol. E95-B  No. 4  pp. 1366-1374
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
single-carrierQR decompositionM-algorithmMMSE-FDE
 Summary | Full Text:PDF(2MB)

Uplink Capacity of OFDM Multi-User MIMO Using Near-ML Detection in a Cellular System
Masashi ITAGAKI Tetsuya YAMAMOTO Kazuki TAKEDA Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/01/01
Vol. E95-B  No. 1  pp. 198-205
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
multi-user MIMOOFDMlattice reductionQRM-MLDuplink capacity
 Summary | Full Text:PDF(1.1MB)

Iterative MMSE Detection with Interference Cancellation for Up-Link HARQ Using Frequency-Domain Filtered SC-FDMA MIMO Multiplexing
Suguru OKUYAMA Tetsuya YAMAMOTO Kazuki TAKEDA Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/12/01
Vol. E94-B  No. 12  pp. 3559-3568
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
SC-FDMAMMSEDinterference cancellationfrequency-domain filterMIMOHARQ
 Summary | Full Text:PDF(1.1MB)

Transmission Performance of Frequency-Domain Filtered Single-Carrier Transmission Using Frequency-Domain Block Signal Detection with QRM-MLD
Tetsuya YAMAMOTO Kazuki TAKEDA KyeSan LEE Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/05/01
Vol. E94-B  No. 5  pp. 1386-1395
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
single-carrierfrequency-domain filteringfrequency-domain block signal detectionQRM-MLD
 Summary | Full Text:PDF(1.3MB)

Recent Advances in Single-Carrier Frequency-Domain Equalization and Distributed Antenna Network
Fumiyuki ADACHI Kazuki TAKEDA Tatsunori OBARA Tetsuya YAMAMOTO Hiroki MATSUDA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/11/01
Vol. E93-A  No. 11  pp. 2201-2211
Type of Manuscript:  INVITED PAPER (Special Section on Signal Design and its Application in Communications)
Category: 
Keyword: 
single-carrierfrequency-domain equalizationdistributed antenna networkMIMOsignal detection
 Summary | Full Text:PDF(1.5MB)

Frequency-Domain Block Signal Detection for Single-Carrier Transmission
Tetsuya YAMAMOTO Kazuki TAKEDA Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/08/01
Vol. E93-B  No. 8  pp. 2104-2112
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
single-carrierfrequency-domain equalizationMMSEV-BLAST
 Summary | Full Text:PDF(1.4MB)

Joint Frequency-Domain Equalization and Despreading for Multi-Code DS-CDMA Using Cyclic Delay Transmit Diversity
Tetsuya YAMAMOTO Kazuki TAKEDA Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/05/01
Vol. E92-B  No. 5  pp. 1563-1572
Type of Manuscript:  Special Section PAPER (Special Section on Radio Access Techniques for 3G Evolution)
Category: 
Keyword: 
DS-CDMAfrequency-domain equalizationcyclic delay transmit diversity
 Summary | Full Text:PDF(1.1MB)

Properties of Transparent Conductive Ga-Doped ZnO Films on Glass, PMMA and COP Substrates
Tetsuya YAMAMOTO Aki MIYAKE Takahiro YAMADA Toshiyuki MORIZANE Tetsuhiro ARIMITSU Hisao MAKINO Naoki YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2008/10/01
Vol. E91-C  No. 10  pp. 1547-1553
Type of Manuscript:  INVITED PAPER (Special Section on Electronic Displays)
Category: 
Keyword: 
ZnOTCOPMMACOP
 Summary | Full Text:PDF(1MB)

A Full-Wave Analysis of a Complete Model for a Radial Line Slot Antenna
Tetsuya YAMAMOTO Jiro HIROKAWA Makoto ANDO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1999/01/25
Vol. E82-B  No. 1  pp. 165-173
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
radial line slot antennasmall aperturerectangular cavitymethod of moment
 Summary | Full Text:PDF(1.2MB)

Enhancement of Band-Edge Gain in Radial Line Slot Antennas Using the Power Divider--A Wide-Band Radial Line Slot Antenna--
Tetsuya YAMAMOTO Masaharu TAKAHASHI Makoto ANDO Naohisa GOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1995/03/25
Vol. E78-B  No. 3  pp. 398-406
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
RLSAplanar antennahybrid structurepower dividerwide-bandwaveguidelong line effect
 Summary | Full Text:PDF(693.3KB)

MASCOTS: Dialog Management System for Speech Understanding System
Tetsuya YAMAMOTO Yoshikazu OHTA Yoichi YAMASHITA Osamu KAKUSHO Riichiro MIZOGUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1991/07/25
Vol. E74-A  No. 7  pp. 1881-1888
Type of Manuscript:  Special Section PAPER (Special Issue on Continuous Speech Recognition and Understanding)
Category: Speech Understanding
Keyword: 
 Summary | Full Text:PDF(776.9KB)

Monte-Carlo Simulation for the Transport Properties of Quasi-Particles in Superconductors
Tetsuya YAMAMOTO Hiroshi SUZUKI Tatsuro USUKI Yorinobu YOSHISATO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1991/07/25
Vol. E74-C  No. 7  pp. 1993-1998
Type of Manuscript:  Special Section PAPER (Special Issue on Low Temperature Electronics)
Category: 
Keyword: 
 Summary | Full Text:PDF(480.2KB)