Kazuhiko FUKAWA


A Joint Interference Suppression and Multiuser Detection Scheme Based on Eigendecomposition for Three-Cell Multiple Relay Systems
Ahmet Ihsan CANBOLAT Kazuhiko FUKAWA 
Publication:   
Publication Date: 2017/10/01
Vol. E100-B  No. 10  pp. 1939-1945
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
wireless relay communicationsintercell interferenceinterference suppressionmultiuser detectioneigenvalue decomposition
 Summary | Full Text:PDF(615.1KB)

Investigation on Non-Orthogonal Multiple Access with Reduced Complexity Maximum Likelihood Receiver and Dynamic Resource Allocation
Yousuke SANO Kazuaki TAKEDA Satoshi NAGATA Takehiro NAKAMURA Xiaohang CHEN Anxin LI Xu ZHANG Jiang HUILING Kazuhiko FUKAWA 
Publication:   
Publication Date: 2017/08/01
Vol. E100-B  No. 8  pp. 1301-1311
Type of Manuscript:  Special Section PAPER (Special Section on Radio Access Technologies for 5G Mobile Communications System)
Category: Wireless Communication Technologies
Keyword: 
non-orthogonal multiple accessreduced complexity-maximum likelihood receiverlink to system mappinguser scheduling
 Summary | Full Text:PDF(3.1MB)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)