Kazuo TSUBOUCHI


1/2fs Direct RF Under Sampling Receiver for Multi Channel Satellite Systems
Daliso BANDA Mizuki MOTOYOSHI Tomokazu KOIZUMI Osamu WADA Tuan Thanh TA Suguru KAMEDA Noriharu SUEMATSU Tadashi TAKAGI Kazuo TSUBOUCHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2015/07/01
Vol. E98-C  No. 7  pp. 669-676
Type of Manuscript:  Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technology)
Category: Active Circuits/Devices/Monolithic Microwave Integrated Circuits
Keyword: 
RF samplingSoftware Radiosampling mixerdirect RFRFICsatellite communication
 Summary | Full Text:PDF

A Calibrationless Si-CMOS 5-bit Baseband Phase Shifter Using a Fixed-Gain-Amplifier Matrix
Tuan Thanh TA Shoichi TANIFUJI Suguru KAMEDA Noriharu SUEMATSU Tadashi TAKAGI Kazuo TSUBOUCHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/10/01
Vol. E96-C  No. 10  pp. 1322-1329
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
baseband phase shifterbroadband communicationmillimeter wavephased array antenna
 Summary | Full Text:PDF

Measured Downlink Throughput Performance of MBWA System in Urban Area
Suguru KAMEDA Hiroshi OGUMA Noboru IZUKA Yasuyoshi ASANO Yoshiharu YAMAZAKI Noriharu SUEMATSU Tadashi TAKAGI Kazuo TSUBOUCHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/01/01
Vol. E96-B  No. 1  pp. 329-334
Type of Manuscript:  LETTER
Category: Wireless Communication Technologies
Keyword: 
MBWAFH-OFDMAFLASH-OFDMfield trial
 Summary | Full Text:PDF

60-GHz Band Copper Ball Vertical Interconnection for MMW 3-D System-in-Package Front-End Modules
Satoshi YOSHIDA Shoichi TANIFUJI Suguru KAMEDA Noriharu SUEMATSU Tadashi TAKAGI Kazuo TSUBOUCHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2012/07/01
Vol. E95-C  No. 7  pp. 1276-1284
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
millimeter-wave60-GHz bandsystem-in-packagevertical interconnectioncopper ballsWPAN
 Summary | Full Text:PDF

A 60 GHz-Band 3-Dimensional System-in-Package Transmitter Module with Integrated Antenna
Noriharu SUEMATSU Satoshi YOSHIDA Shoichi TANIFUJI Suguru KAMEDA Tadashi TAKAGI Kazuo TSUBOUCHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2012/07/01
Vol. E95-C  No. 7  pp. 1141-1146
Type of Manuscript:  INVITED PAPER (Special Section on Recent Trends of Microwave Systems and Their Fundamental Technologies)
Category: 
Keyword: 
moduleRFICMMICantenna integrationmillimeter-waveSiPstud bump
 Summary | Full Text:PDF

Proposal of Heterogeneous Wireless Network with Handover in Application Layer: Feasibility Study Based on Field Trial Results
Suguru KAMEDA Hiroshi OGUMA Noboru IZUKA Fumihiro YAMAGATA Yasuyoshi ASANO Yoshiharu YAMAZAKI Shoichi TANIFUJI Noriharu SUEMATSU Tadashi TAKAGI Kazuo TSUBOUCHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/04/01
Vol. E95-B  No. 4  pp. 1152-1160
Type of Manuscript:  Special Section PAPER (Special Section on Cognitive Radio and Heterogeneous Wireless Networks in Conjunction with Main Topics of CrownCom2011)
Category: 
Keyword: 
heterogeneous wireless networksWLANMBWAhandover
 Summary | Full Text:PDF

A 5 GHz Band Low Noise and Wide Tuning Range Si-CMOS VCO with a Novel Varactors Pair Circuit
Tuan Thanh TA Suguru KAMEDA Tadashi TAKAGI Kazuo TSUBOUCHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2010/06/01
Vol. E93-C  No. 6  pp. 755-762
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
5 GHzsilicon complementary metal oxide semiconductor (Si-CMOS)voltage controlled oscillator (VCO)low noisewide tuning range
 Summary | Full Text:PDF

Interacting Self-Timed Pipelines and Elementary Coupling Control Modules
Kazuhiro KOMATSU Shuji SANNOMIYA Makoto IWATA Hiroaki TERADA Suguru KAMEDA Kazuo TSUBOUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/07/01
Vol. E92-A  No. 7  pp. 1642-1651
Type of Manuscript:  PAPER
Category: VLSI Design Technology and CAD
Keyword: 
self-timed pipelineflow-thru processinginteracting pipelinesVLSI/SoC architecture
 Summary | Full Text:PDF

SS-CDMA Flexible Wireless Network: Implementation of Approximately Synchronized CDMA Modem for Uplink
Suguru KAMEDA Kouichi TAKAHASHI Hiroyuki NAKASE Kazuo TSUBOUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/03/01
Vol. E85-A  No. 3  pp. 694-702
Type of Manuscript:  PAPER
Category: Spread Spectrum Technologies and Applications
Keyword: 
low-cost consumer cellular network2.4 GHz ISM banduplinkapproximately synchronized CDMAsurface-acoustic-wave convolver
 Summary | Full Text:PDF

A New Concept of 3-Dimentional Multilayer-Stacked System-in-Package for Software-Defined-Radio
Kazuo TSUBOUCHI Michio YOKOYAMA Hiroyuki NAKASE 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2001/12/01
Vol. E84-C  No. 12  pp. 1730-1734
Type of Manuscript:  Special Section PAPER (Special Issue on Integrated Systems with New Concepts)
Category: 
Keyword: 
system-in-packagewireless communicationflip-chip bump bonding3-D stacked packagevertical bus line
 Summary | Full Text:PDF

SS-CDMA Flexible Wireless Network: Packet SS-CDMA Modem Using SAW Matched Filter for Downlink
Hiroyuki NAKASE Yosuke IIZUKA Suguru KAMEDA Shuichi TOMABECHI Atsushi KOMURO Kazuo TSUBOUCHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/04/01
Vol. E84-B  No. 4  pp. 747-751
Type of Manuscript:  Special Section PAPER (Special Issue on Mobile Multimedia Communications)
Category: 
Keyword: 
SS-CDMA flexible wireless networkpacket SS-CDMA2.4 GHz front-end SAW matched filter
 Summary | Full Text:PDF

Design and Implementation of Spread Spectrum Wireless Switch with Low Power Consumption
Shuichi TOMABECHI Atsushi KOMURO Takashi KONNO Hiroyuki NAKASE Kazuo TSUBOUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/04/01
Vol. E84-A  No. 4  pp. 971-973
Type of Manuscript:  Special Section LETTER (Special Section on Fundamentals of Information and Communications)
Category: 
Keyword: 
spread spectrumwireless switchSAW matched filterpower consumptioncommunication range
 Summary | Full Text:PDF

Low Power Current-Cut Switched-Current Matched Filter for CDMA
Kenji TOGURA Hiroyuki NAKASE Koji KUBOTA Kazuya MASU Kazuo TSUBOUCHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2001/02/01
Vol. E84-C  No. 2  pp. 212-219
Type of Manuscript:  Special Section PAPER (Special Issue on Low-Power High-Performance VLSI Processors and Technologies)
Category: 
Keyword: 
switched-current (SI) circuitmatched filtercode division multiple access (CDMA)current-cut
 Summary | Full Text:PDF

FOREWORD
Ryuji KOHNO Kazuo TSUBOUCHI Peter JUNG Masakazu SENGOKU Tetsushi IKEGAMI Hisao TACHIKA Yukitsuna FURUYA Yoshiharu TOZAWA Takaaki HASEGAWA Shigenobu SASAKI Hiromasa HABUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1996/12/25
Vol. E79-A  No. 12  pp. 1927-1929
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF

Full-Duplex Asynchronous Spread Spectrum Modem Using a SAW Convolver for 2.4-GHz Wireless LAN
Hiroyuki NAKASE Akihiko NAMBA Kazuya MASU Kazuo TSUBOUCHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1994/07/25
Vol. E77-B  No. 7  pp. 868-875
Type of Manuscript:  Special Section PAPER (Special Issue on Personal, Indoor and Mobile Radio Communications)
Category: 
Keyword: 
spread spectrumSAW convolverasynchronous SS modemfull-duplexself jamming2.4-GHz wireless LAN
 Summary | Full Text:PDF

FOREWORD
Masao NAKAGAWA Ryuji KOHNO Shin'ichi TACHIKAWA Taka-aki HASEGAWA Tetsushi IKEGAMI Eisuke FUKUDA Yukitsuna FURUYA Shuzo KATO Masashi SATOH Hisao TACHIKA Yoshihiro TANADA Kazuo TSUBOUCHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1993/08/25
Vol. E76-B  No. 8  pp. 801-803
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF

Novel Narrowband Interference Rejection for an Asynchronous Spread Spectrum Wireless Modem Using a SAW Convolver
Hiroyuki NAKASE Kazuo TSUBOUCHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1993/08/25
Vol. E76-B  No. 8  pp. 947-954
Type of Manuscript:  Special Section PAPER (Special Issue on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
spread spectrumSAW convolverasynchronous SS modemnotched reference signalprogrammable PN codeself-convolution canceler
 Summary | Full Text:PDF

Three-Dimensional Simulation of Low-Temperature Operation MOSFET's
You-Wen YI Kazuya MASU Kazuo TSUBOUCHI Nobuo MIKOSHIBA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1991/06/25
Vol. E74-C  No. 6  pp. 1641-1647
Type of Manuscript:  Special Section PAPER (Special Issue on Device and Process Simulation for Ultra Large Scale Integration)
Category: 
Keyword: 
 Summary | Full Text:PDF