Kazuhiko FUKAWA


Interference Cancellation Employing Replica Selection Algorithm and Neural Network Power Control for MIMO Small Cell Networks
Michael Andri WIJAYA Kazuhiko FUKAWA Hiroshi SUZUKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/11/01
Vol. E99-B  No. 11  pp. 2414-2425
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
MIMOsmall cellsintercell interference managementpower controlneural networkmultiuser detectorinterference cancellationsystem capacity
 Summary | Full Text:PDF(1.1MB)

A Linear Combining Scheme to Suppress Interference in Multiple Relay Systems
Ahmet Ihsan CANBOLAT Kazuhiko FUKAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/08/01
Vol. E99-B  No. 8  pp. 1867-1873
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
wireless communicationsmultiple relaylinear combiningMMSERLS
 Summary | Full Text:PDF(922.5KB)

Neural Network Based Transmit Power Control and Interference Cancellation for MIMO Small Cell Networks
Michael Andri WIJAYA Kazuhiko FUKAWA Hiroshi SUZUKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/05/01
Vol. E99-B  No. 5  pp. 1157-1169
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
MIMOsmall cellsintercell interference coordinationinterference cancellationneural networksystem capacity
 Summary | Full Text:PDF(1.1MB)

Signal Detection for EM-Based Iterative Receivers in MIMO-OFDM Mobile Communications
Kazushi MURAOKA Kazuhiko FUKAWA Hiroshi SUZUKI Satoshi SUYAMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/11/01
Vol. E97-B  No. 11  pp. 2480-2490
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
mobile communicationMIMO-OFDMEM algorithmfactor graphmessage passingsignal detectionchannel estimation
 Summary | Full Text:PDF(1.1MB)

Multipacket-per-Slot Reservation-Based Random Access Protocol with MD and ARQ
Tomoya TANDAI Hiroshi SUZUKI Kazuhiko FUKAWA Satoshi SUYAMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/05/01
Vol. E97-B  No. 5  pp. 1059-1071
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
reservation-based access protocolrandom accessmultiuser detectionautomatic repeat request
 Summary | Full Text:PDF(2.3MB)

Iterative MAP Receiver Employing Forward Channel Estimation via Message Passing for OFDM over Fast Fading Channels
Kazushi MURAOKA Kazuhiko FUKAWA Hiroshi SUZUKI Satoshi SUYAMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/05/01
Vol. E95-B  No. 5  pp. 1770-1783
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
mobile communicationOFDMEM algorithmfactor graphmessage passingchannel estimationturbo processing
 Summary | Full Text:PDF(926.5KB)

Precoding Scheme Robust to Imperfect CSI in Downlink Multiuser MIMO-OFDM System
Linchen CHANG Kazuhiko FUKAWA Hiroshi SUZUKI Satoshi SUYAMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/12/01
Vol. E94-B  No. 12  pp. 3515-3524
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
multiuser MIMOMIMO-OFDMprecodingimperfect channel state informationsteepest descent algorithm
 Summary | Full Text:PDF(651.7KB)

Near-Optimal Signal Detection Based on the MMSE Detection Using Multi-Dimensional Search for Correlated MIMO Channels
Liming ZHENG Kazuhiko FUKAWA Hiroshi SUZUKI Satoshi SUYAMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/08/01
Vol. E94-B  No. 8  pp. 2346-2356
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
correlated MIMO channelsignal detectionlow complexityMMSEnoise enhancementmulti-dimensional search
 Summary | Full Text:PDF(1.1MB)

Joint Signal Detection and Channel Estimation Using Differential Models via EM Algorithm for OFDM Mobile Communications
Kazushi MURAOKA Kazuhiko FUKAWA Hiroshi SUZUKI Satoshi SUYAMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/02/01
Vol. E94-B  No. 2  pp. 533-545
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
mobile communicationOFDMEM algorithmchannel estimationKalman filterdifferential model
 Summary | Full Text:PDF(886.1KB)

Low-Complexity Algorithm for Log Likelihood Ratios in Coded MIMO Communications
Liming ZHENG Jooin WOO Kazuhiko FUKAWA Hiroshi SUZUKI Satoshi SUYAMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/01/01
Vol. E94-B  No. 1  pp. 183-193
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
Coded MIMOLLRlow-complexityMMSE detectionnoise enhancementone-dimensional search
 Summary | Full Text:PDF(1.1MB)

Iterative Multiuser Detection with Soft Decision-Directed Channel Estimation for MC-IDMA and Performance Comparison with Chip-Interleaved MC-CDMA
Satoshi SUYAMA Hiroshi SUZUKI Kazuhiko FUKAWA Li ZHANG 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/05/01
Vol. E92-B  No. 5  pp. 1495-1503
Type of Manuscript:  Special Section PAPER (Special Section on Radio Access Techniques for 3G Evolution)
Category: 
Keyword: 
mobile communicationMIMO-OFDMIDMAMC-IDMAchannel estimationMC-CDMA
 Summary | Full Text:PDF(672.4KB)

MAP Receiver with Spatial Filters for Suppressing Cochannel Interference in MIMO-OFDM Mobile Communications
Fan LISHENG Kazuhiko FUKAWA Hiroshi SUZUKI Satoshi SUYAMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/05/01
Vol. E92-B  No. 5  pp. 1841-1851
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
mobile communicationMIMO-OFDMMAP receivercochannel interferencespatial filtersparameter estimation
 Summary | Full Text:PDF(712.6KB)

Precoding Technique for Minimizing BER of MIMO-OFDM System Employing MLD under Multicell Co-channel Interference
Boonsarn PITAKDUMRONGKIJA Kazuhiko FUKAWA Satoshi SUYAMA Hiroshi SUZUKI Atsuo UMI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/05/01
Vol. E92-B  No. 5  pp. 1573-1581
Type of Manuscript:  Special Section PAPER (Special Section on Radio Access Techniques for 3G Evolution)
Category: 
Keyword: 
MIMOOFDMprecodingminimum BER criterionmulticellco-channel interference
 Summary | Full Text:PDF(487.3KB)

Adaptive MIMO-MLSE Blind Detection in Heterogeneous Stream Transmission for Mobile Radio Communications
Issei KANNO Hiroshi SUZUKI Kazuhiko FUKAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/07/01
Vol. E91-B  No. 7  pp. 2346-2356
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
mobile communicationsMIMOheterogeneous streamblind signal detectionblind channel estimationadaptive MIMO-MLSE detectorstream ambiguity
 Summary | Full Text:PDF(779.9KB)

MIMO-OFDM Precoding Technique for Minimizing BER Upper Bound of MLD
Boonsarn PITAKDUMRONGKIJA Kazuhiko FUKAWA Hiroshi SUZUKI Takashi HAGIWARA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/07/01
Vol. E91-B  No. 7  pp. 2287-2298
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
mobile communicationMIMO-OFDMML detectionprecodingminimum BERpairwise error
 Summary | Full Text:PDF(699.4KB)

MIMO-OFDM Precoding Technique for Minimizing BER Upper Bound of MLD under Imperfect CSI
Boonsarn PITAKDUMRONGKIJA Kazuhiko FUKAWA Hiroshi SUZUKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/05/01
Vol. E91-B  No. 5  pp. 1490-1501
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
mobile communicationMIMO-OFDMMLDMBER criterionprecodingimperfect CSI
 Summary | Full Text:PDF(528.5KB)

MIMO-OFDM MAP Receiver with Spatial-Temporal Filters Employing Decision-Directed Recursive Eigenvalue Decomposition Parameter Estimation
Fan LISHENG Kazuhiko FUKAWA Hiroshi SUZUKI Satoshi SUYAMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/04/01
Vol. E91-B  No. 4  pp. 1112-1121
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
mobile communicationMIMO-OFDMMAP receivercochannel interferencerecursive eigenvalue decompositionparameter estimation
 Summary | Full Text:PDF(686.8KB)

Suboptimal Algorithm of MLD Using Gradient Signal Search in Direction of Noise Enhancement for MIMO Channels
Thet Htun KHINE Kazuhiko FUKAWA Hiroshi SUZUKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/06/01
Vol. E90-B  No. 6  pp. 1424-1432
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
MIMOMLDdiscrete optimization problemgradient-based algorithmlow-complexityZFMMSEnoise enhancement
 Summary | Full Text:PDF(418.4KB)

Efficient OFDM Mobile Radio Packet System Employing LLR Combining Multiuser Detection for ARQ with Adaptive Modulation and Coding Scheme
Riichiro NAGAREDA Kazuhiko FUKAWA Hiroshi SUZUKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/06/01
Vol. E90-B  No. 6  pp. 1444-1453
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
OFDMmobile radio packetmultiuser detectionARQmetric combiningLLRadaptive modulation and coding
 Summary | Full Text:PDF(662.2KB)

MLSE Detection with Blind Linear Prediction for Differential Space-Time Block Code Systems
Seree WANICHPAKDEEDECHA Kazuhiko FUKAWA Hiroshi SUZUKI Satoshi SUYAMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/04/01
Vol. E90-B  No. 4  pp. 926-933
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
MLSEDSTBCblind signal detectionlinear predictionthe method of Lagrange multipliers
 Summary | Full Text:PDF(399.6KB)

MLSE Detection with Blind Linear Prediction and Subcarriers Interpolation for DSTBC-OFDM Systems
Seree WANICHPAKDEEDECHA Kazuhiko FUKAWA Hiroshi SUZUKI Satoshi SUYAMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/03/01
Vol. E90-A  No. 3  pp. 562-570
Type of Manuscript:  Special Section PAPER (Special Section on Multimedia and Mobile Signal Processing)
Category: Communications
Keyword: 
DSTBCOFDMMLSEblind signal detectionlinear predictionthe method of Lagrange multipliersinterpolation
 Summary | Full Text:PDF(508.8KB)

Blind Equalization with Generalized Inverse Channel Estimation and Fractional Phase MLSE Metrics for Mobile Communications
Issei KANNO Hiroshi SUZUKI Kazuhiko FUKAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/03/01
Vol. E90-A  No. 3  pp. 553-561
Type of Manuscript:  Special Section PAPER (Special Section on Multimedia and Mobile Signal Processing)
Category: Communications
Keyword: 
blind equalizationMLSEfractional samplingrecursive estimationgeneralized inverseambiguous solutionmobile radio
 Summary | Full Text:PDF(442.2KB)

Adaptive MAP Detection via the EM Algorithm for LDPC-Coded MIMO-OFDM Mobile Communications
Tsuyoshi KASHIMA Kazuhiko FUKAWA Hiroshi SUZUKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/02/01
Vol. E90-B  No. 2  pp. 312-322
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
mobile communicationMIMOOFDMLDPCMAPEM algorithmchannel estimation
 Summary | Full Text:PDF(405.8KB)

Systolic OMF-RAKE: Linear Interference Canceller Utilizing Systolic Array for Mobile Communications
Thet Htun KHINE Kazuhiko FUKAWA Hiroshi SUZUKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/05/01
Vol. E88-B  No. 5  pp. 2128-2135
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
DS-CDMAblind linear-interference-cancellerRAKEQR-RLSsystolic array
 Summary | Full Text:PDF(443.8KB)

A MIMO-OFDM Receiver Employing the Low-Complexity Turbo Equalization in Multipath Environments with Delay Difference Greater than the Guard Interval
Satoshi SUYAMA Hiroshi SUZUKI Kazuhiko FUKAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/01/01
Vol. E88-B  No. 1  pp. 39-46
Type of Manuscript:  Special Section PAPER (Special Section on Multi-carrier Signal Processing Techniques for Next Generation Mobile Communications--Part 1)
Category: MIMO
Keyword: 
MIMOOFDMturbo equalizerinter-symbol interferenceinter-carrier interferenceguard interval
 Summary | Full Text:PDF(445.3KB)

Blocking Probability Calculation Using Traffic Equivalent Distributions in SIR-Based Power Controlled W-CDMA Cellular Systems
Yoshihiro ISHIKAWA Seizo ONOE Kazuhiko FUKAWA Hiroshi SUZUKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/01/01
Vol. E88-B  No. 1  pp. 312-324
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
W-CDMAtraffic equivalentSIR-based power controluplinkdownlink
 Summary | Full Text:PDF(1.3MB)

A Scattered Pilot OFDM Receiver Employing Turbo ICI Cancellation in Fast Fading Environments
Satoshi SUYAMA Masafumi ITO Kazuhiko FUKAWA Hiroshi SUZUKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/01/01
Vol. E88-B  No. 1  pp. 115-121
Type of Manuscript:  Special Section PAPER (Special Section on Multi-carrier Signal Processing Techniques for Next Generation Mobile Communications--Part 1)
Category: Interference Canceller
Keyword: 
OFDMmobile communicationsscattered-pilotturbo cancellationdecision directed channel estimationdigital terrestrial television broadcasting
 Summary | Full Text:PDF(293.8KB)

OFDM Mobile Packet Transmission System with Multiuser Detection and Metric Combining ARQ
Riichiro NAGAREDA Kazuhiko FUKAWA Hiroshi SUZUKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/01/01
Vol. E88-B  No. 1  pp. 106-114
Type of Manuscript:  Special Section PAPER (Special Section on Multi-carrier Signal Processing Techniques for Next Generation Mobile Communications--Part 1)
Category: Interference Canceller
Keyword: 
OFDMpacket transmissionARQmultiuser detectionmetric combining
 Summary | Full Text:PDF(507.9KB)

Highly Efficient Doherty Linear Amplifier with Input Power Allocation Control for Portable Radio
Fumitaka IIZUKA Tsuyoshi OGINO Hiroshi SUZUKI Kazuhiko FUKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/06/01
Vol. E87-C  No. 6  pp. 915-923
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit and Device Technologies)
Category: 
Keyword: 
mobile communicationDohertyhighly efficient amplifierlinearization
 Summary | Full Text:PDF(695.6KB)

A Power Amplifier Model Considering Drain Current Dependence upon Input Power for High Efficiency Transmitter Power Amplifiers in Mobile Communications
Fumitaka IIZUKA Tsuyoshi OGINO Hiroshi SUZUKI Kazuhiko FUKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/05/01
Vol. E87-C  No. 5  pp. 762-771
Type of Manuscript:  Special Section PAPER (Special Section on Advances in Characterization and Measurement Technologies for Microwave and Millimeter-Wave Materials, Devices and Circuits)
Category: Active Devices and Circuits
Keyword: 
efficient power amplifiersdrain current dependenceauto-biasPHEMTmobile communications
 Summary | Full Text:PDF(510KB)

Performance Analysis on Data Transmission Control in a Voice/Data Integrated Wireless Communication System
Yoshihiro ISHIKAWA Kazuhiko FUKAWA Hiroshi SUZUKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/05/01
Vol. E87-B  No. 5  pp. 1131-1140
Type of Manuscript:  Special Section PAPER (Special Section on Mobile Multimedia Communications)
Category: Mobile Radio
Keyword: 
multimediavoice/data integratedadmission control
 Summary | Full Text:PDF(1.5MB)

An MMSE Based Calibration of a LINC Transmitter
Riichiro NAGAREDA Kazuhiko FUKAWA Hiroshi SUZUKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/03/01
Vol. E87-B  No. 3  pp. 689-694
Type of Manuscript:  PAPER
Category: Wireless Communication Technology
Keyword: 
mobile radio communicationsLINCleast-squares method
 Summary | Full Text:PDF(486.6KB)

Complex Form Bandpass Sampling with Offset Frequency Sampling and Quadrature Component Interpolation for Modulated Signals
Norihiro SATO Hiroshi SUZUKI Satoshi SUYAMA Kazuhiko FUKAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/12/01
Vol. E86-B  No. 12  pp. 3513-3520
Type of Manuscript:  Special Section PAPER (Special Issue on Software Defined Radio Technology and Its Applications)
Category: 
Keyword: 
bandpass samplingcomplex forminterpolationundersampling
 Summary | Full Text:PDF(741.2KB)

OFDM Channel Estimation with RLS Algorithm for Different Pilot Schemes in Mobile Radio Transmission
Kazuhiko FUKAWA Hiroshi SUZUKI Toshiaki USAMI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/01/01
Vol. E86-B  No. 1  pp. 266-274
Type of Manuscript:  Special Section PAPER (Special Issue on Multiple Access and Signal Transmission Techniques for Future Mobile Communications)
Category: 
Keyword: 
OFDMchannel estimationRLSscattered pilotmobile radio communications
 Summary | Full Text:PDF(431.3KB)

A Scattered Pilot OFDM Receiver with Equalization for Multipath Environments with Delay Difference Greater than Guard Interval
Satoshi SUYAMA Masafumi ITO Hiroshi SUZUKI Kazuhiko FUKAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/01/01
Vol. E86-B  No. 1  pp. 275-282
Type of Manuscript:  Special Section PAPER (Special Issue on Multiple Access and Signal Transmission Techniques for Future Mobile Communications)
Category: 
Keyword: 
OFDMscattered pilotinter-symbol interferenceinter-carrier interferenceequalizer
 Summary | Full Text:PDF(520KB)

Constant Modulus Algorithm with Orthogonal Projection for Adaptive Array Antenna Multiuser Detection
Kazuhiko FUKAWA Hiroshi SUZUKI Wenkai SHAO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/01/01
Vol. E86-B  No. 1  pp. 206-212
Type of Manuscript:  Special Section PAPER (Special Issue on Multiple Access and Signal Transmission Techniques for Future Mobile Communications)
Category: 
Keyword: 
mobile radio communicationadaptive arrayCMAblind signal processing
 Summary | Full Text:PDF(341.4KB)

Blind Interference Cancelling Equalizer for Mobile Radio Communications
Kazuhiko FUKAWA Hiroshi SUZUKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1994/05/25
Vol. E77-B  No. 5  pp. 580-588
Type of Manuscript:  Special Section PAPER (Special Issue on Adaptive Signal Processing in Mobile Radio Communications)
Category: 
Keyword: 
co-channel interferenceinterference cancellerblind algorithmmaximum likelihood estimationmobile communications
 Summary | Full Text:PDF(749.2KB)

Coherent Hybrid DS-FFH CDMA with Adaptive Interference Cancelling for Cellular Mobile Communications
Shigeru TOMISATO Kazuhiko FUKAWA Hiroshi SUZUKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1994/05/25
Vol. E77-B  No. 5  pp. 589-597
Type of Manuscript:  Special Section PAPER (Special Issue on Adaptive Signal Processing in Mobile Radio Communications)
Category: 
Keyword: 
mobile radioCDMAfast frequency hoppingdirect sequencecoherent combiningadaptive interference canceller
 Summary | Full Text:PDF(700.6KB)