Yasuo SUZUKI


Welch FFT Segment Size Selection Method for Spectrum Awareness System
Hiroki IWATA Kenta UMEBAYASHI Samuli TIIRO Janne J. LEHTOMÄKI Miguel LÓPEZ-BENÍTEZ Yasuo SUZUKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/08/01
Vol. E99-B  No. 8  pp. 1813-1823
Type of Manuscript:  PAPER
Category: Fundamental Theories for Communications
Keyword: 
cognitive radioduty cycledynamic spectrum accessspectrum measurementWelch FFT
 Summary | Full Text:PDF(1.9MB)

Simple Primary User Signal Area Estimation for Spectrum Measurement
Kenta UMEBAYASHI Kazuki MORIWAKI Riki MIZUCHI Hiroki IWATA Samuli TIIRO Janne J. LEHTOMÄKI Miguel LÓPEZ-BENÍTEZ Yasuo SUZUKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/02/01
Vol. E99-B  No. 2  pp. 523-532
Type of Manuscript:  PAPER
Category: Terrestrial Wireless Communication/Broadcasting Technologies
Keyword: 
dynamic spectrum accesssmart spectrum accessspectrum measurementcognitive radiosignal detectionsignal area estimation
 Summary | Full Text:PDF(2.7MB)

Spectrum Sharing in MIMO Cognitive Radio Systems with Imperfect Channel State Information
Samuli TIIRO Kenta UMEBAYASHI Janne LEHTOMÄKI Yasuo SUZUKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/04/01
Vol. E97-B  No. 4  pp. 867-874
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
cognitive radioimperfect channel state informationinterference cancellationMIMOspectrum sharing
 Summary | Full Text:PDF(1.1MB)

Detection Method of Same Spreading Code Signals by Multimodulus Algorithm
Kenta UMEBAYASHI Genichiro MURATA Yasuo SUZUKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/04/01
Vol. E97-B  No. 4  pp. 807-816
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
CDMARAKE combinermultiple user interferencemultimodulus algorithm
 Summary | Full Text:PDF(2.2MB)

Detection of the Number of Signals with Fewer Sensors than Sources
Masashi TSUJI Kenta UMEBAYASHI Yasuo SUZUKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/09/01
Vol. E96-B  No. 9  pp. 2235-2243
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
detection of the number of signalsnested arraysdegrees of freedomDOA estimationarray signal processing
 Summary | Full Text:PDF(1.4MB)

Analysis of Optimal Weighted Cooperative Spectrum Sensing with Multiple Antenna Elements
Kenta UMEBAYASHI Hironori TSUCHIYA Yasuo SUZUKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/10/01
Vol. E95-B  No. 10  pp. 3261-3269
Type of Manuscript:  PAPER
Category: Terrestrial Wireless Communication/Broadcasting Technologies
Keyword: 
cognitive radiocooperative spectrum sensingNeyman-Pearson theoremmultiple antenna elements
 Summary | Full Text:PDF(1.4MB)

A New Blind Beamforming and Hop-Timing Detection for FH Communications
Abdul Malik NAZARI Yukihiro KAMIYA Ko SHOJIMA Kenta UMEBAYASHI Yasuo SUZUKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/05/01
Vol. E94-B  No. 5  pp. 1234-1242
Type of Manuscript:  Special Section PAPER (Special Section on Antenna and Propagation Technologies Contributing to Diversification of Wireless Technologies)
Category: Adaptive Array Antennas
Keyword: 
array signal processingconstant modulus algorithmfading channelfrequency hopping communicationshop-timing
 Summary | Full Text:PDF(898.4KB)

Accurate Estimation of the Number of Weak Coherent Signals
Masashi TSUJI Kenta UMEBAYASHI Yukihiro KAMIYA Yasuo SUZUKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/10/01
Vol. E93-B  No. 10  pp. 2715-2724
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
source number estimationarray signal processingDOA estimationcoherent signalseigendecompositionQR decomposition
 Summary | Full Text:PDF(1.3MB)

Teletraffic Analysis of Direct Communication with Clustering
Janne LEHTOMAKI Isameldin SULIMAN Kenta UMEBAYASHI Yasuo SUZUKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/05/01
Vol. E92-A  No. 5  pp. 1356-1362
Type of Manuscript:  PAPER
Category: Communication Theory and Signals
Keyword: 
clusteringdirect communicationtwo dimensional
 Summary | Full Text:PDF(436.7KB)

Forward Interference Avoidance in Ad Hoc Communications Using Adaptive Array Antennas
Tomofumi SAKAGUCHI Yukihiro KAMIYA Takeo FUJII Yasuo SUZUKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/09/01
Vol. E91-B  No. 9  pp. 2940-2947
Type of Manuscript:  PAPER
Category: Terrestrial Radio Communications
Keyword: 
adaptive array antennawireless ad hoc networkad hoc communicationsinterference cancellation
 Summary | Full Text:PDF(1.1MB)

A New Blind Adaptive Array Antenna Based on CMA Criteria for M-Ary/SS Signals Suitable for Software Defined Radio Architecture
Miho KOZUMA Atsushi SASAKI Yukihiro KAMIYA Takeo FUJII Kenta UMEBAYASHI Yasuo SUZUKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/08/01
Vol. E91-A  No. 8  pp. 1982-1989
Type of Manuscript:  Special Section PAPER (Special Section on Signal Processing)
Category: 
Keyword: 
blind signal processingM-ary/SSadaptive array antenna
 Summary | Full Text:PDF(796.9KB)

Dialogue-Based Broadcasting Protocol for Wireless Ad Hoc Networks
Keigo HASEGAWA Takeo FUJII Kenta UMEBAYASHI Yukihiro KAMIYA Yasuo SUZUKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/07/01
Vol. E91-A  No. 7  pp. 1642-1651
Type of Manuscript:  Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
ad hoc networkbroadcastingbroadcast storm problemmulti-hop network
 Summary | Full Text:PDF(790.5KB)

A New Blind 2D-RAKE Receiver Based on CMA Criteria for Spread Spectrum Systems Suitable for Software Defined Radio Architecture
Kei TAKAYAMA Yukihiro KAMIYA Takeo FUJII Yasuo SUZUKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/06/01
Vol. E91-B  No. 6  pp. 1906-1913
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
spread spectrumUWBadaptive array antennafrequency selective fading
 Summary | Full Text:PDF(505.1KB)

Study on Soft Decision Based Cooperative Sensing for Cognitive Radio Networks
Hiromasa UCHIYAMA Kenta UMEBAYASHI Takeo FUJII Fumie ONO Kei SAKAGUCHI Yukihiro KAMIYA Yasuo SUZUKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/01/01
Vol. E91-B  No. 1  pp. 95-101
Type of Manuscript:  Special Section PAPER (Special Section on Cognitive Radio and Spectrum Sharing Technology)
Category: Spectrum Sensing
Keyword: 
cognitive radiocooperative sensingenergy detectioncognitive MIMO mesh network
 Summary | Full Text:PDF(392.8KB)

STBC Distributed ARQ Scheme for OFDM Ad-Hoc Wireless Networks
Takeo FUJII Erina KOJIMA Yukihiro KAMIYA Yasuo SUZUKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/07/01
Vol. E90-A  No. 7  pp. 1323-1332
Type of Manuscript:  Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
STBC distributed ARQad-hoc wireless networksOFDMrouting protocol
 Summary | Full Text:PDF(476.8KB)

Multi-Stage RLS OFDM Adaptive Array Antenna with Short Pilot Symbols
Takeo FUJII Yukihiro KAMIYA Yasuo SUZUKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/05/01
Vol. E89-B  No. 5  pp. 1589-1597
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
OFDMadaptive array antennaRLSpacket communication
 Summary | Full Text:PDF(596KB)

Interference Analysis from Impulse Radio UWB Systems Using Simple Signal Models
Yasuo SUZUKI Ichihiko TOYODA Masahiro UMEHIRA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/11/01
Vol. E88-A  No. 11  pp. 3092-3099
Type of Manuscript:  Special Section PAPER (Special Section on Wide Band Systems)
Category: 
Keyword: 
UWBimpulse radiointerferenceDirac delta functionkurtosisGaussian noise
 Summary | Full Text:PDF(553.7KB)

Development of Experimental Prototype System for SDR Certification Simulation
Yasuo SUZUKI Tokihiko YOKOI Yoshimitsu IKI Eiji KAWAGUCHI Nobuo NAKAJIMA Koji ODA Ryoichi HIDAKA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/12/01
Vol. E86-B  No. 12  pp. 3408-3416
Type of Manuscript:  Special Section PAPER (Special Issue on Software Defined Radio Technology and Its Applications)
Category: 
Keyword: 
software defined radio (SDR)tallytechnical regulation conformity certification
 Summary | Full Text:PDF(1.1MB)

Technical Regulation Conformity Evaluation System for Software Defined Radio
Yasuo SUZUKI Koji ODA Ryoichi HIDAKA Hiroshi HARADA Tatsuaki HAMAI Tokihiko YOKOI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/12/01
Vol. E86-B  No. 12  pp. 3392-3400
Type of Manuscript:  Special Section PAPER (Special Issue on Software Defined Radio Technology and Its Applications)
Category: 
Keyword: 
regulationradio lawsecurity systemsoftware defined radio (SDR)technical regulation conformity evaluation systemsecurity architecture
 Summary | Full Text:PDF(623KB)

Adaptability Check during Software Installation in Software Defined Radio
Yasuo SUZUKI Hiroshi HARADA Kazuhiro UEHARA Teruya FUJII Yukio YOKOYAMA Koji ODA Ryoichi HIDAKA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/12/01
Vol. E86-B  No. 12  pp. 3401-3407
Type of Manuscript:  Special Section PAPER (Special Issue on Software Defined Radio Technology and Its Applications)
Category: 
Keyword: 
software defined radio (SDR)tallytechnical regulation conformity certification testtamperingimpersonationelectronic signature
 Summary | Full Text:PDF(1.2MB)

Development of Planar Antennas
Yasuo SUZUKI Jiro HIROKAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/03/01
Vol. E86-B  No. 3  pp. 909-924
Type of Manuscript:  INVITED PAPER (Special Issue on Historical Review of Antenna Systems in Japan)
Category: 
Keyword: 
planar antennacircular polarizationmicrostrip antennaradial line slot antennaparallel plate waveguide
 Summary | Full Text:PDF(4MB)

Interoperability and Regulatory Issues around Software Defined Radio (SDR) Implementation
Yasuo SUZUKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/12/01
Vol. E85-B  No. 12  pp. 2564-2572
Type of Manuscript:  INVITED PAPER (Special Issue on Software Defined Radio Technology and Its Applications)
Category: 
Keyword: 
interoperabilityregulationstandardizationsecuritycertification
 Summary | Full Text:PDF(931.1KB)

An Adaptive Array Antenna Steered by IF Local Signal Phase Shifters for K-Band Broadband Fixed Wireless Access Base Station
Shuichi OBAYASHI Osamu SHIBATA Hideo KASAMI Hiroki SHOKI Yasuo SUZUKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/09/01
Vol. E84-B  No. 9  pp. 2523-2529
Type of Manuscript:  Special Section PAPER (Special Issue on Innovation in Antennas and Propagation for Expanding Radio Systems)
Category: Adaptive Antennas
Keyword: 
adaptive array antennafixed wireless accessbase stationlocal signal phase shifterK-band
 Summary | Full Text:PDF(794.7KB)

Novel Design Method for Antennas for Selection Diversity on Wireless Terminals
Syuichi SEKINE Noriaki ODACHI Osamu SHIBATA Hiroki SHOKI Yasuo SUZUKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/09/01
Vol. E84-B  No. 9  pp. 2451-2459
Type of Manuscript:  Special Section PAPER (Special Issue on Innovation in Antennas and Propagation for Expanding Radio Systems)
Category: Mobile Antennas
Keyword: 
antenna selection diversityhand-held phoneinverted-F antennamonopole antennaFDTD method
 Summary | Full Text:PDF(2MB)

A Novel Analytical Method for Optimizing the Terminating Impedance of an Inverted-F Antenna for Antenna Selection Diversity on a Hand-Held Phone
Noriaki ODACHI Syuichi SEKINE Hiroki SHOKI Yasuo SUZUKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/01/01
Vol. E84-B  No. 1  pp. 89-94
Type of Manuscript:  PAPER
Category: Antenna and Propagation
Keyword: 
antenna selection diversityhand-held phoneterminating impedanceinverted-F antennaZ-matrix
 Summary | Full Text:PDF(301.7KB)

Broadband and Flexible Receiver Architecture for Software Defined Radio Terminal Using Direct Conversion and Low-IF Principle
Hiroshi TSURUMI Hiroshi YOSHIDA Shoji OTAKA Hiroshi TANIMOTO Yasuo SUZUKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2000/06/25
Vol. E83-B  No. 6  pp. 1246-1253
Type of Manuscript:  Special Section PAPER (Special Issue on Software Defined Radio and Its Technologies)
Category: 
Keyword: 
software defined radiodirect conversionlow-IFchannel selectionimage rejection
 Summary | Full Text:PDF(1.5MB)

Software Radio Base and Personal Station Prototypes
Yasuo SUZUKI Kazuhiro UEHARA Masashi NAKATSUGAWA Yushi SHIRATO Shuji KUBOTA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2000/06/25
Vol. E83-B  No. 6  pp. 1261-1268
Type of Manuscript:  Special Section PAPER (Special Issue on Software Defined Radio and Its Technologies)
Category: 
Keyword: 
softwaresoftware radiodigital signal processorpersonal handy phone system
 Summary | Full Text:PDF(793.2KB)

A Digital-to-RF Converter Architecture Suitable for a Digital-to-RF Direct-Conversion Software Defined Radio Transmitter
Takafumi YAMAJI Akira YASUDA Hiroshi TANIMOTO Yasuo SUZUKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2000/06/25
Vol. E83-B  No. 6  pp. 1254-1260
Type of Manuscript:  Special Section PAPER (Special Issue on Software Defined Radio and Its Technologies)
Category: 
Keyword: 
DACdigital-to-RF direct-conversionsoftware defined radioΔΣ modulation
 Summary | Full Text:PDF(884.5KB)

Software Receiver Technology and Its Applications
Tokihiko YOKOI Yoshimitsu IKI Jun HORIKOSHI Katsuji MIWA Yoshio KARASAWA Akira FUKUDA Jun-ichi TAKADA Yuichi KURODA Takayasu SHIOKAWA Yukitsuna FURUYA Shigenari SUZUKI Yasuhiro SENBA Yoshihide YAMADA Hiroshi HARADA Yasuo SUZUKI Kiyomichi ARAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2000/06/25
Vol. E83-B  No. 6  pp. 1200-1209
Type of Manuscript:  Special Section PAPER (Special Issue on Software Defined Radio and Its Technologies)
Category: 
Keyword: 
software receiversoftware radio
 Summary | Full Text:PDF(2.1MB)

System-Level Compensation Approach to Overcome Signal Saturation, DC Offset, and 2nd-Order Nonlinear Distortion in Linear Direct Conversion Receiver
Hiroshi TSURUMI Miyuki SOEYA Hiroshi YOSHIDA Takafumi YAMAJI Hiroshi TANIMOTO Yasuo SUZUKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/05/25
Vol. E82-C  No. 5  pp. 708-716
Type of Manuscript:  Special Section PAPER (Special Issue on Low Distortion Technology for Microwave Devices and Circuits)
Category: 
Keyword: 
direct conversion receiverlinear modulation schemeRF stage gain controlinitial burst acquisitionDC offset canceler2nd-order intermodulation distortion
 Summary | Full Text:PDF(791.5KB)

Design Study on RF Stage for Miniature PHS Terminal
Hiroshi TSURUMI Tadahiko MAEDA Hiroshi TANIMOTO Yasuo SUZUKI Masayuki SAITO Kunio YOSHIHARA Kenji ISHIDA Naotaka UCHITOMI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1996/05/25
Vol. E79-C  No. 5  pp. 629-635
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave Devices for Mobile Communications)
Category: Active Devices
Keyword: 
direct conversion, personal handy phone systemRF functional circuit modulebump interconnection technique
 Summary | Full Text:PDF(852.7KB)

A Design Method of a Reconfigurable Direct Radiating Array Antenna
Tasuku MOROOKA Kazuaki KAWABATA Motoharu UENO Yasuo SUZUKI Taneaki CHIBA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1994/05/25
Vol. E77-B  No. 5  pp. 663-672
Type of Manuscript:  PAPER
Category: Source Encoding
Keyword: 
array antennashaped beamelectrically reconfigurableBFN
 Summary | Full Text:PDF(838.9KB)

Side Lobe Suppression with Phase Weight Only
Yasuo SUZUKI Taneaki CHIBA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1990/02/25
Vol. E73-E  No. 2  pp. 245-249
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
 Summary | Full Text:PDF(377.1KB)

Reconfigurable Direct Radiating Array Antenna
Yasuo SUZUKI Minoru OKUMURA Taneaki CHIBA Minoru FURUKAWA Tasuku MOROOKA Kazuaki KAWABATA Motoharu UENO 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1989/03/25
Vol. E72-E  No. 3  pp. 202-209
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
 Summary | Full Text:PDF(836.2KB)

Improved Theory for a Singly Fed Circulary Polarized Microstrip Antenna
Yasuo SUZUKI Taneaki CHIBA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1985/02/25
Vol. E68-E  No. 2  pp. 76-82
Type of Manuscript:  PAPER
Category: Antenna and Propagation
Keyword: 
 Summary | Full Text:PDF(428.5KB)

Designing Method of Microstrip Antenna Considering the Bandwidth
Yasuo SUZUKI Taneaki CHIBA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1984/09/25
Vol. E67-E  No. 9  pp. 488-493
Type of Manuscript:  PAPER
Category: Antenna and Propagation
Keyword: 
 Summary | Full Text:PDF(370.5KB)