Hiroshi FURUKAWA


Performance Analysis on Uplink Pilot Allocation in TDD Massive MIMO Heterogeneous Networks
Wanming HAO Osamu MUTA Haris GACANIN Hiroshi FURUKAWA 
Publication:   
Publication Date: 2017/11/01
Vol. E100-A  No. 11  pp. 2314-2322
Type of Manuscript:  Special Section PAPER (Special Section on Smart Multimedia & Communication Systems)
Category: Communication Systems
Keyword: 
interference coordinationpilot allocationheterogeneous networkmassive MIMO
 Summary | Full Text:PDF(1.5MB)

Energy-Efficient Resource Allocation in Sensing-Based Spectrum Sharing for Cooperative Cognitive Radio Networks
Wanming HAO Shouyi YANG Osamu MUTA Haris GACANIN Hiroshi FURUKAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/08/01
Vol. E99-B  No. 8  pp. 1763-1771
Type of Manuscript:  Special Section PAPER (Special Section on Advanced Information and Communication Technologies and Services in Conjunction with Main Topics of APCC2015)
Category: Wireless Communication Technologies
Keyword: 
energy efficientcognitive radiospectrum sharingdual decompositionsensing time
 Summary | Full Text:PDF(1.2MB)

Effective Data Collection Scheme by Mobile Agent over Wireless Sensor Network
Takaaki SUETSUGU Takayuki TORIKAI Hiroshi FURUKAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/03/01
Vol. E99-B  No. 3  pp. 749-757
Type of Manuscript:  PAPER
Category: Terrestrial Wireless Communication/Broadcasting Technologies
Keyword: 
multihop networktree topologydata collectionsensor networkmobile agent
 Summary | Full Text:PDF(1.5MB)

Interference Mitigation Framework Based on Interference Alignment for Femtocell-Macrocell Two Tier Cellular Systems
Mohamed RIHAN Maha ELSABROUTY Osamu MUTA Hiroshi FURUKAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/03/01
Vol. E98-B  No. 3  pp. 467-476
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
Interference Alignment (IA)femtocellmacrocellCognitive Radio (CR)Restricted Water-Filling (RWF) algorithmIterative Reweighted Least Squares (IRLS)Multi-Input Multi-Output (MIMO)
 Summary | Full Text:PDF(2.4MB)

Underlay MIMO Cognitive Transceivers Designs with Channel Uncertainty
Bassant ABDELHAMID Maha ELSABROUTY Masoud ALGHONIEMY Salwa ELRAMLY Osamu MUTA Hiroshi FURUKAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/11/01
Vol. E97-B  No. 11  pp. 2543-2551
Type of Manuscript:  PAPER
Category: Terrestrial Wireless Communication/Broadcasting Technologies
Keyword: 
underlay cognitive radiomultiple secondary users (MSU)channel uncertaintymultiple input multiple output (MIMO)interference alignment (IA)
 Summary | Full Text:PDF(2MB)

Low Complexity Channel Assignment for IEEE 802.11b/g Multi-Cell WLANs
Mohamed ELWEKEIL Masoud ALGHONIEMY Osamu MUTA Hiroshi FURUKAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2014/08/01
Vol. E97-A  No. 8  pp. 1761-1769
Type of Manuscript:  PAPER
Category: Communication Theory and Signals
Keyword: 
WLANIEEE 802.11channel assignmentinteger programmingLagrangian relaxation
 Summary | Full Text:PDF(1.8MB)

A Capture-Safety Checking Metric Based on Transition-Time-Relation for At-Speed Scan Testing
Kohei MIYASE Ryota SAKAI Xiaoqing WEN Masao ASO Hiroshi FURUKAWA Yuta YAMATO Seiji KAJIHARA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2013/09/01
Vol. E96-D  No. 9  pp. 2003-2011
Type of Manuscript:  Special Section PAPER (Special Section on Dependable Computing)
Category: 
Keyword: 
at-speed testingATPGIR-droptest power reductionlow power test
 Summary | Full Text:PDF(1.6MB)

Adaptive Channel Estimation for MIMO-Constant Envelope Modulation
Ehab MAHMOUD MOHAMED Osamu MUTA Hiroshi FURUKAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/07/01
Vol. E95-B  No. 7  pp. 2393-2404
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
(Multi-Input-Multi-Output) MIMOconstant envelope modulationchannel estimationblock based adaptive filterlow resolution ADC
 Summary | Full Text:PDF(2.2MB)

Automatic Transmission Period Setting for Intermittent Periodic Transmission in Wireless Backhaul System
Guangri JIN Hiroshi FURUKAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/03/01
Vol. E95-B  No. 3  pp. 857-865
Type of Manuscript:  PAPER
Category: Network
Keyword: 
multi-hopwireless backhaulIPT forwardingtraining packet
 Summary | Full Text:PDF(1.3MB)

Distribution-Controlled X-Identification for Effective Reduction of Launch-Induced IR-Drop in At-Speed Scan Testing
Kohei MIYASE Kenji NODA Hideaki ITO Kazumi HATAYAMA Takashi AIKYO Yuta YAMATO Hiroshi FURUKAWA Xiaoqing WEN Seiji KAJIHARA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2011/06/01
Vol. E94-D  No. 6  pp. 1216-1226
Type of Manuscript:  PAPER
Category: Dependable Computing
Keyword: 
ATPGX-bitX-identificationX-filling
 Summary | Full Text:PDF(2.6MB)

A GA-Based X-Filling for Reducing Launch Switching Activity toward Specific Objectives in At-Speed Scan Testing
Yuta YAMATO Xiaoqing WEN Kohei MIYASE Hiroshi FURUKAWA Seiji KAJIHARA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2011/04/01
Vol. E94-D  No. 4  pp. 833-840
Type of Manuscript:  PAPER
Category: Dependable Computing
Keyword: 
X-fillinggenetic algorithmlaunch switching activityIR-dropat-speed scan testing
 Summary | Full Text:PDF(1.1MB)

A Study of Capture-Safe Test Generation Flow for At-Speed Testing
Kohei MIYASE Xiaoqing WEN Seiji KAJIHARA Yuta YAMATO Atsushi TAKASHIMA Hiroshi FURUKAWA Kenji NODA Hideaki ITO Kazumi HATAYAMA Takashi AIKYO Kewal K. SALUJA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/07/01
Vol. E93-A  No. 7  pp. 1309-1318
Type of Manuscript:  PAPER
Category: VLSI Design Technology and CAD
Keyword: 
at-speed scan testingtest generationX-bit identificationX-fillingcapture-safety checking
 Summary | Full Text:PDF(3.5MB)

High Launch Switching Activity Reduction in At-Speed Scan Testing Using CTX: A Clock-Gating-Based Test Relaxation and X-Filling Scheme
Kohei MIYASE Xiaoqing WEN Hiroshi FURUKAWA Yuta YAMATO Seiji KAJIHARA Patrick GIRARD Laung-Terng WANG Mohammad TEHRANIPOOR 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2010/01/01
Vol. E93-D  No. 1  pp. 2-9
Type of Manuscript:  Special Section PAPER (Special Section on Test, Diagnosis and Verification of SOCs)
Category: 
Keyword: 
power supply noisetest relaxationX-fillingclock-gatingtest compaction
 Summary | Full Text:PDF(1.7MB)

An Application of Vector Coding with IBI Cancelling Demodulator and Code Elimination to Delay Spread MIMO Channels
Zhao LI Hiroshi FURUKAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/06/01
Vol. E92-B  No. 6  pp. 2153-2159
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
code eliminationeigencode division multiplexingIBI cancelling demodulatorMIMOvector coding
 Summary | Full Text:PDF(342.3KB)

Experimental Evaluations of Wireless Multihop Networks Associated with Intermittent Periodic Transmit
Yukinori HIGA Hiroshi FURUKAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/11/01
Vol. E90-B  No. 11  pp. 3216-3223
Type of Manuscript:  PAPER
Category: Terrestrial Radio Communications
Keyword: 
multihop networkrelaytestbed
 Summary | Full Text:PDF(902.6KB)

A CMA Adaptive Array Antenna System with a Single Receiver Using Time-Division Multiplexing
Eimatsu MORIYAMA Yukiyoshi KAMIO Kiyoshi HAMAGUCHI Hiroshi FURUKAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/06/01
Vol. E84-B  No. 6  pp. 1637-1646
Type of Manuscript:  PAPER
Category: Terrestrial Radio Communications
Keyword: 
constant modulus algorithmadaptive arraycochannel interference (CCI)time-division multiplexing
 Summary | Full Text:PDF(652.1KB)

Design of Underlaid Microcells in Umbrella Cell System
Hiroshi FURUKAWA Yoshihiko AKAIWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/04/25
Vol. E81-B  No. 4  pp. 762-769
Type of Manuscript:  PAPER
Category: Mobile Communication
Keyword: 
microcelldynamic channel allocationumbrella cellchannel segregation
 Summary | Full Text:PDF(606KB)

Performance Comparison of Fixed and Dynamic Channel Assignments in Indoor Cellular System
Hiroshi FURUKAWA Mutsuhiko OISHI Yoshihiko AKAIWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1996/09/25
Vol. E79-B  No. 9  pp. 1295-1300
Type of Manuscript:  Special Section PAPER (Special Issue on Personal Communications)
Category: Advanced control techniques and channel assignments
Keyword: 
mobile communicationdynamic channel assignmentindoorcellular
 Summary | Full Text:PDF(639.3KB)

Signal Strength Prediction and Distribution Characteristics in Indoor Radio Propagation at 2.5GHz Band
Hiroshi FURUKAWA Kuninori OOSAKI Yoshihiko AKAIWA Hiroyuki SHIMIZU 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1994/07/25
Vol. E77-B  No. 7  pp. 962-970
Type of Manuscript:  Special Section PAPER (Special Issue on Personal, Indoor and Mobile Radio Communications)
Category: 
Keyword: 
microcellindoorradio propagationpredictiondistributionmicrowave
 Summary | Full Text:PDF(706.5KB)

Multicore Fiber Connector with a Plastic-Molded Ferrule
Shinji NAGASAWA Hiroshi FURUKAWA Norio KASHIMA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1987/11/25
Vol. E70-E  No. 11  pp. 1101-1103
Type of Manuscript:  LETTER
Category: Communication Cable and Wave Guides
Keyword: 
 Summary | Full Text:PDF(178.2KB)

A New Type of Optical Switch with a plastic-Molded Ferrule
Shinji NAGASAWA Hiroshi FURUKAWA Toshiaki SATAKE Norio KASHIMA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1987/08/25
Vol. E70-E  No. 8  pp. 696-698
Type of Manuscript:  LETTER
Category: Communication Cable and Wave Guides
Keyword: 
 Summary | Full Text:PDF(201.6KB)