Kenichi HIGUCHI


Scalable Centralized Control Architecture of Virtual Switch on Large-Scale Network
Hiroki DATE Kenichi HIGUCHI Masaru KATAYAMA Katsutoshi KODA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/11/01
Vol. E98-B  No. 11  pp. 2160-2170
Type of Manuscript:  Special Section PAPER (Special Section on Network Systems for Virtualized Environment)
Category: 
Keyword: 
metro networkdata center networknetwork virtualizationscalable centralized controlSDN
 Summary | Full Text:PDF(2.6MB)

Non-Orthogonal Multiple Access Using Intra-Beam Superposition Coding and Successive Interference Cancellation for Cellular MIMO Downlink
Kenichi HIGUCHI Yoshihisa KISHIYAMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/09/01
Vol. E98-B  No. 9  pp. 1888-1895
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
non-orthogonal multiple accesssuccessive interference cancellationdownlinkMIMO
 Summary | Full Text:PDF(1.6MB)

Non-Orthogonal Multiple Access Using Intra-Beam Superposition Coding and SIC in Base Station Cooperative MIMO Cellular Downlink
Nobuhide NONAKA Yoshihisa KISHIYAMA Kenichi HIGUCHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/08/01
Vol. E98-B  No. 8  pp. 1651-1659
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
non-orthogonal multiple accesssuperposition codingsuccessive interference cancellationdownlinkMIMObase station cooperation
 Summary | Full Text:PDF(1.9MB)

Base Station Cooperative Multiuser MIMO Using Block-Diagonalized Random Beamforming with Online Update
Nobuhide NONAKA Anass BENJEBBOUR Kenichi HIGUCHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/08/01
Vol. E98-B  No. 8  pp. 1622-1629
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
multiuser MIMObase station cooperationbeamformingprecodingrandom beamforming
 Summary | Full Text:PDF(2.1MB)

Inter-Cell Interference Coordination Method Based on Coordinated Inter-Cell Interference Power Control in Uplink
Kenichi HIGUCHI Yoshiko SAITO Seigo NAKAO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/07/01
Vol. E98-B  No. 7  pp. 1357-1362
Type of Manuscript:  PAPER
Category: Terrestrial Wireless Communication/Broadcasting Technologies
Keyword: 
cellular systemuplinkpower controlinter-cell interference coordinationfractional frequency reuse
 Summary | Full Text:PDF(1.6MB)

Performance Evaluations of Transmit Diversity Schemes with Synchronization Signals for LTE Downlink
Satoshi NAGATA Yoshihisa KISHIYAMA Motohiro TANNO Kenichi HIGUCHI Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/06/01
Vol. E98-B  No. 6  pp. 1110-1124
Type of Manuscript:  PAPER
Category: Terrestrial Wireless Communication/Broadcasting Technologies
Keyword: 
cell searchsynchronization signalsLTEtransmit diversitycell ID detection
 Summary | Full Text:PDF(3.4MB)

Non-orthogonal Multiple Access (NOMA) with Successive Interference Cancellation for Future Radio Access
Kenichi HIGUCHI Anass BENJEBBOUR 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/03/01
Vol. E98-B  No. 3  pp. 403-414
Type of Manuscript:  Invited Survey Paper
Category: Wireless Communication Technologies
Keyword: 
cellular systemnon-orthogonal multiple accesssuperposition codingsuccessive interference cancellation
 Summary | Full Text:PDF(2.2MB)

Performance of Non-orthogonal Multiple Access with SIC in Cellular Downlink Using Proportional Fair-Based Resource Allocation
Nagisa OTAO Yoshihisa KISHIYAMA Kenichi HIGUCHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/02/01
Vol. E98-B  No. 2  pp. 344-351
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
non-orthogonal multiple accesssuccessive interference cancellationdownlinkresource allocationproportional fair
 Summary | Full Text:PDF(1.5MB)

A Novel Adaptive Interference Admission Control Method for Layered Partially Non-orthogonal Block Diagonalization for Base Station Cooperative MIMO
Yusuke OSHIMA Anass BENJEBBOUR Kenichi HIGUCHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/01/01
Vol. E97-B  No. 1  pp. 155-163
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
multiuser MIMObase station cooperationblock diagonalizationchannel state information
 Summary | Full Text:PDF(2.2MB)

Clipping and Filtering-Based Adaptive PAPR Reduction Method for Precoded OFDM-MIMO Signals
Yoshinari SATO Masao IWASAKI Shoki INOUE Kenichi HIGUCHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/09/01
Vol. E96-B  No. 9  pp. 2270-2280
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
OFDMPAPRMIMOprecodingclipping and filtering
 Summary | Full Text:PDF(2.8MB)

Throughput/ACLR Performance of CF-Based Adaptive PAPR Reduction Method for Eigenmode MIMO-OFDM Signals with AMC
Shoki INOUE Teruo KAWAMURA Kenichi HIGUCHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/09/01
Vol. E96-B  No. 9  pp. 2293-2300
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
OFDMPAPRMIMOprecodingclipping and filteringadaptive modulation and channel codingACLR
 Summary | Full Text:PDF(1.6MB)

Adaptive Amplify-and-Forward Relaying for Cellular Downlink
Kiichi TATEISHI Kenichi HIGUCHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/07/01
Vol. E96-B  No. 7  pp. 1968-1975
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
relayamplify-and-forwardcellulardownlink
 Summary | Full Text:PDF(1.8MB)

A Simple Decentralized Cell Association Method for Heterogeneous Networks
Tetsunosuke KOIZUMI Kenichi HIGUCHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/06/01
Vol. E96-B  No. 6  pp. 1358-1366
Type of Manuscript:  Special Section PAPER (Special Section on Heterogeneous Networks for Future Cellular Systems)
Category: 
Keyword: 
heterogeneous networkscell associationpicocellfemtocellcell range expansioninter-cell interference coordination
 Summary | Full Text:PDF(1.8MB)

FOREWORD
Kenichi HIGUCHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/06/01
Vol. E96-B  No. 6  pp. 1229-1229
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(215.5KB)

Partially Non-orthogonal Block Diagonalization-Based Precoding in Downlink Multiuser MIMO with Limited Channel State Information Feedback
Yuki TAJIKA Hidekazu TAOKA Kenichi HIGUCHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/12/01
Vol. E94-B  No. 12  pp. 3280-3288
Type of Manuscript:  Special Section PAPER (Special Section on Cooperative Communications for Cellular Networks)
Category: 
Keyword: 
multiuser MIMObase station cooperationprecodingblock diagonalizationchannel state information
 Summary | Full Text:PDF(1.4MB)

Investigation of Inter-Node B Macro Diversity for Single-Carrier Based Radio Access in Evolved UTRA Uplink
Hiroyuki KAWAI Akihito MORIMOTO Kenichi HIGUCHI Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/01/01
Vol. E93-B  No. 1  pp. 125-134
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
cellular systemspacket radio accessEvolved UTRAuplinkmacro diversitysoft handover
 Summary | Full Text:PDF(3.4MB)

Block-Wise Resource Block-Level Distributed Transmission for Shared Data Channel in OFDMA Evolved UTRA Downlink
Satoshi NAGATA Yoshiaki OFUJI Yoshihisa KISHIYAMA Nobuhiko MIKI Kenichi HIGUCHI Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/05/01
Vol. E92-B  No. 5  pp. 1660-1668
Type of Manuscript:  Special Section PAPER (Special Section on Radio Access Techniques for 3G Evolution)
Category: 
Keyword: 
Evolved UTRAOFDMdistributed transmissionresource blockshared data channel
 Summary | Full Text:PDF(2.4MB)

Cell Search Time Comparison Using Hierarchical and Non-hierarchical Synchronization Channels in OFDM Based Evolved UTRA Downlink
Satoshi NAGATA Motohiro TANNO Yoshihisa KISHIYAMA Kenichi HIGUCHI Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/05/01
Vol. E92-B  No. 5  pp. 1608-1618
Type of Manuscript:  Special Section PAPER (Special Section on Radio Access Techniques for 3G Evolution)
Category: 
Keyword: 
Evolved UTRAOFDMcell searchsynchronization channel
 Summary | Full Text:PDF(1.8MB)

Performance Comparison between Turbo Code and Rate-Compatible LDPC Code for Evolved UTRA Downlink OFDM Radio Access
Naoto OKUBO Nobuhiko MIKI Yoshihisa KISHIYAMA Kenichi HIGUCHI Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/05/01
Vol. E92-B  No. 5  pp. 1504-1515
Type of Manuscript:  Special Section PAPER (Special Section on Radio Access Techniques for 3G Evolution)
Category: 
Keyword: 
Evolved UTRAturbo codeLDCP codeZigZag codeturbo SPC code
 Summary | Full Text:PDF(1.9MB)

Experimental Evaluation of Time Diversity Effect in Hybrid ARQ Considering Space and Path Diversity for Downlink OFDM-Based Broadband Radio Access
Nobuhiko MIKI Hiroyuki ATARASHI Kenichi HIGUCHI Mamoru SAWAHASHI Masao NAKAGAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/05/01
Vol. E92-B  No. 5  pp. 1516-1526
Type of Manuscript:  Special Section PAPER (Special Section on Radio Access Techniques for 3G Evolution)
Category: 
Keyword: 
time diversityhybrid ARQOFDMbroadband radio access
 Summary | Full Text:PDF(1.8MB)

Optimum Adaptive Modulation and Channel Coding Scheme for Frequency Domain Channel-Dependent Scheduling in OFDM Based Evolved UTRA Downlink
Nobuhiko MIKI Yoshihisa KISHIYAMA Kenichi HIGUCHI Mamoru SAWAHASHI Masao NAKAGAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/05/01
Vol. E92-B  No. 5  pp. 1527-1537
Type of Manuscript:  Special Section PAPER (Special Section on Radio Access Techniques for 3G Evolution)
Category: 
Keyword: 
Evolved UTRAadaptive modulation and channel codingOFDMfrequency-domain channel-dependent scheduling
 Summary | Full Text:PDF(2.3MB)

Influence of Channel Estimation Error on MIMO Multiplexing Using Precoding in Downlink OFDM Radio Access
Takashi ISOGAI Mamoru SAWAHASHI Hidekazu TAOKA Kenichi HIGUCHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/05/01
Vol. E92-B  No. 5  pp. 1553-1562
Type of Manuscript:  Special Section PAPER (Special Section on Radio Access Techniques for 3G Evolution)
Category: 
Keyword: 
OFDMMIMOprecodingchannel estimationdownlink
 Summary | Full Text:PDF(1.7MB)

Coverage Performance of Common/Shared Control Signals Using Transmit Diversity in Evolved UTRA Downlink
Hidekazu TAOKA Akihito MORIMOTO Hiroyuki KAWAI Kenichi HIGUCHI Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/05/01
Vol. E92-B  No. 5  pp. 1589-1599
Type of Manuscript:  Special Section PAPER (Special Section on Radio Access Techniques for 3G Evolution)
Category: 
Keyword: 
OFDMtransmit diversityEvolved UTRAdownlinkcontrol signal
 Summary | Full Text:PDF(1.7MB)

Investigation on Optimum Control Interval for Intra-Cell Fractional TPC Using AMC for Shared Channel in Evolved UTRA Uplink
Daisuke NISHIKAWA Yoshihisa KISHIYAMA Kenichi HIGUCHI Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/05/01
Vol. E92-B  No. 5  pp. 1627-1633
Type of Manuscript:  Special Section PAPER (Special Section on Radio Access Techniques for 3G Evolution)
Category: 
Keyword: 
Evolved UTRAfractional transmission power controladaptive modulation and codinguplink
 Summary | Full Text:PDF(1.2MB)

Investigation of Inter-Cell Transmission Power Control Using Overload Indicator for Selected Users for Evolved UTRA Uplink
Daisuke NISHIKAWA Yoshihisa KISHIYAMA Kenichi HIGUCHI Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/05/01
Vol. E92-B  No. 5  pp. 1634-1640
Type of Manuscript:  Special Section PAPER (Special Section on Radio Access Techniques for 3G Evolution)
Category: 
Keyword: 
Evolved UTRAtransmission power controloverload indicatorinter-cell interference
 Summary | Full Text:PDF(1.3MB)

Performance Evaluations of MBMS Signals Using Transmit/Receiver Diversity with SFN in OFDM Based Evolved UTRA Downlink
Akihito MORIMOTO Yoshihisa KISHIYAMA Motohiro TANNO Kenichi HIGUCHI Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/05/01
Vol. E92-B  No. 5  pp. 1649-1659
Type of Manuscript:  Special Section PAPER (Special Section on Radio Access Techniques for 3G Evolution)
Category: 
Keyword: 
Evolved UTRAOFDMMBMSsingle-frequency networktransmit diversity
 Summary | Full Text:PDF(2.2MB)

Comparisons between Common and Dedicated Reference Signals for MIMO Multiplexing Using Precoding in Evolved UTRA Downlink
Hidekazu TAOKA Yoshihisa KISHIYAMA Kenichi HIGUCHI Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/05/01
Vol. E92-B  No. 5  pp. 1669-1679
Type of Manuscript:  Special Section PAPER (Special Section on Radio Access Techniques for 3G Evolution)
Category: 
Keyword: 
Evolved UTRAOFDMMIMOprecoding reference signaldownlink
 Summary | Full Text:PDF(2.4MB)

Investigations on Physical Random Access Channel Structure in Evolved UTRA Uplink
Yoshihisa KISHIYAMA Kenichi HIGUCHI Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/05/01
Vol. E92-B  No. 5  pp. 1688-1694
Type of Manuscript:  Special Section PAPER (Special Section on Radio Access Techniques for 3G Evolution)
Category: 
Keyword: 
Evolved UTRAPRACHcoveragebandwidth
 Summary | Full Text:PDF(737KB)

Single-Carrier Based Multiplexing of Layer 1/Layer 2 Control Signals in Evolved UTRA Uplink Using DFT-Spread OFDM
Teruo KAWAMURA Yoshihisa KISHIYAMA Kenichi HIGUCHI Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/05/01
Vol. E92-B  No. 5  pp. 1695-1704
Type of Manuscript:  Special Section PAPER (Special Section on Radio Access Techniques for 3G Evolution)
Category: 
Keyword: 
control signalmultiplexingsingle-carrier FDMAuplinkmobile communications
 Summary | Full Text:PDF(1.7MB)

Field Experiments on Open-Loop Type Transmit Diversity in OFDM Radio Access
Shohei TSUCHIDA Mamoru SAWAHASHI Hidekazu TAOKA Kenichi HIGUCHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/05/01
Vol. E92-B  No. 5  pp. 1705-1713
Type of Manuscript:  Special Section PAPER (Special Section on Radio Access Techniques for 3G Evolution)
Category: 
Keyword: 
OFDMtransmit diversitySFBCSFBC+FSTD
 Summary | Full Text:PDF(2.7MB)

Field Experiments on Real-Time 1-Gbps High-Speed Packet Transmission in MIMO-OFDM Broadband Packet Radio Access
Hidekazu TAOKA Kenichi HIGUCHI Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/05/01
Vol. E92-B  No. 5  pp. 1725-1734
Type of Manuscript:  Special Section PAPER (Special Section on Radio Access Techniques for 3G Evolution)
Category: 
Keyword: 
OFDMMIMOdownlinkAMCQRM-MLDASESS
 Summary | Full Text:PDF(2.1MB)

Experiments on Handover Using Combination of Bicast and Forwarding of IP Packet for Future IP-Based RANs
Motohiro TANNO Akihito MORIMOTO Kenichi HIGUCHI Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/05/01
Vol. E92-B  No. 5  pp. 1735-1742
Type of Manuscript:  Special Section PAPER (Special Section on Radio Access Techniques for 3G Evolution)
Category: 
Keyword: 
handoverbicastforwardingexperimentradio access network
 Summary | Full Text:PDF(1.6MB)

Layered OFDMA and Its Radio Access Techniques for LTE-Advanced
Motohiro TANNO Yoshihisa KISHIYAMA Hidekazu TAOKA Nobuhiko MIKI Kenichi HIGUCHI Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/05/01
Vol. E92-B  No. 5  pp. 1743-1750
Type of Manuscript:  Special Section PAPER (Special Section on Radio Access Techniques for 3G Evolution)
Category: 
Keyword: 
IMT-AdvancedLTE-AdvancedLayered OFDMAEvolved-UTRA
 Summary | Full Text:PDF(1MB)

Adaptive Selection of Surviving Symbol Replica Candidates for Quasi-Maximum Likelihood Detection Using M-Algorithm with QR-Decomposition for OFDM MIMO Multiplexing
Kenichi HIGUCHI Hiroyuki KAWAI Hidekazu TAOKA Noriyuki MAEDA Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/04/01
Vol. E92-B  No. 4  pp. 1258-1271
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
OFDMMIMOspatial multiplexingmaximum likelihood detectionM-algorithm
 Summary | Full Text:PDF(2.9MB)

Multi-Codebook Based Beamforming and Scheduling for MIMO-OFDM Systems with Limited Feedback
Xiaoming SHE Jingxiu LIU Lan CHEN Hidekazu TAOKA Kenichi HIGUCHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/11/01
Vol. E91-B  No. 11  pp. 3745-3748
Type of Manuscript:  LETTER
Category: Wireless Communication Technologies
Keyword: 
transmit beamforminglimited feedbackmulti-user diversityMIMO-OFDM
 Summary | Full Text:PDF(182.3KB)

Orthogonal Pilot Channel Using Combination of FDMA and CDMA in Single-Carrier FDMA-Based Evolved UTRA Uplink
Teruo KAWAMURA Yoshihisa KISHIYAMA Kenichi HIGUCHI Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/07/01
Vol. E91-B  No. 7  pp. 2299-2309
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
single-carrier FDMAevolved UTRAuplinkorthogonal pilot
 Summary | Full Text:PDF(1.7MB)

Physical Channel Structures and Cell Search Method for Scalable Bandwidth for OFDM Radio Access in Evolved UTRA Downlink
Motohiro TANNO Kenichi HIGUCHI Satoshi NAGATA Yoshihisa KISHIYAMA Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/12/01
Vol. E90-B  No. 12  pp. 3622-3631
Type of Manuscript:  PAPER
Category: Terrestrial Radio Communications
Keyword: 
OFDMevolved UTRAcell searchsynchronization channelscalable bandwidth
 Summary | Full Text:PDF(1.4MB)

Field Experiments on Throughput Performance above 100 Mbps in Forward Link for VSF-OFCDM Broadband Wireless Access
Yoshihisa KISHIYAMA Noriyuki MAEDA Kenichi HIGUCHI Hiroyuki ATARASHI Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/02/01
Vol. E88-B  No. 2  pp. 604-614
Type of Manuscript:  Special Section PAPER (Special Section on Multi-carrier Signal Processing Techniques for Next Generation Mobile Communications--Part2)
Category: 
Keyword: 
broadband packet wireless accessforward linkVSF-OFCDMthroughputfield experiments
 Summary | Full Text:PDF(1.9MB)

Likelihood Function for QRM-MLD Suitable for Soft-Decision Turbo Decoding and Its Performance for OFCDM MIMO Multiplexing in Multipath Fading Channel
Hiroyuki KAWAI Kenichi HIGUCHI Noriyuki MAEDA Mamoru SAWAHASHI Takumi ITO Yoshikazu KAKURA Akihisa USHIROKAWA Hiroyuki SEKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/01/01
Vol. E88-B  No. 1  pp. 47-57
Type of Manuscript:  Special Section PAPER (Special Section on Multi-carrier Signal Processing Techniques for Next Generation Mobile Communications--Part 1)
Category: MIMO
Keyword: 
MIMOOFCDMQR decompositionmaximum likelihood detectionturbo coding
 Summary | Full Text:PDF(1.7MB)

Fast Cell Search Algorithm for Overlay System with Cellular and Isolated Cells in Forward Link for OFCDM Broadband Wireless Access
Motohiro TANNO Hiroyuki ATARASHI Kenichi HIGUCHI Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/01/01
Vol. E88-B  No. 1  pp. 159-169
Type of Manuscript:  Special Section PAPER (Special Section on Multi-carrier Signal Processing Techniques for Next Generation Mobile Communications--Part 1)
Category: Cell Selection
Keyword: 
OFCDMcell searchcellular cellisolated celloverlay
 Summary | Full Text:PDF(1.4MB)

Antenna Verification Method for Multipath Interference Canceller Based on Replica Generation per Transmit Antenna with Phase Control Transmit Diversity in W-CDMA Forward Link
Akhmad Unggul PRIANTORO Heiichi YAMAMOTO Kenichi HIGUCHI Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/08/01
Vol. E87-B  No. 8  pp. 2250-2263
Type of Manuscript:  PAPER
Category: Terrestrial Radio Communications
Keyword: 
DS-CDMAinterference cancellertransmit diversityantenna verification
 Summary | Full Text:PDF(3MB)

Experimental Evaluation of Coherent Adaptive Antenna Array Diversity Receiver Employing Optical Fiber Interface in IF Stage
Taisuke IHARA Hidekazu TAOKA Kenichi HIGUCHI Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/07/01
Vol. E86-A  No. 7  pp. 1676-1688
Type of Manuscript:  Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
optical fiber feederadaptive antenna arrayinterference suppressionW-CDMA
 Summary | Full Text:PDF(2.2MB)

Experimental Evaluations on Throughput Performance of Adaptive Modulation and Channel Coding and Hybrid ARQ in HSDPA
Takahiro ASAI Kenichi HIGUCHI Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/07/01
Vol. E86-A  No. 7  pp. 1656-1668
Type of Manuscript:  Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
high speed downlink packet accessadaptive modulation and channel codinghybrid ARQ
 Summary | Full Text:PDF(2.4MB)

Three-Step Cell Search Algorithm Exploiting Common Pilot Channel for OFCDM Broadband Wireless Access
Motohiro TANNO Hiroyuki ATARASHI Kenichi HIGUCHI Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/01/01
Vol. E86-B  No. 1  pp. 325-334
Type of Manuscript:  Special Section PAPER (Special Issue on Multiple Access and Signal Transmission Techniques for Future Mobile Communications)
Category: 
Keyword: 
mobile radiobroadband packet wireless accessOFCDMinitial cell search
 Summary | Full Text:PDF(2MB)

Experiments on Coherent Adaptive Antenna Array Diversity Receiver Based on Antenna-Weight Generation Common to Paths in W-CDMA Reverse Link
Hidekazu TAOKA Shinya TANAKA Taisuke IHARA Kenichi HIGUCHI Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/01/01
Vol. E86-B  No. 1  pp. 191-205
Type of Manuscript:  Special Section PAPER (Special Issue on Multiple Access and Signal Transmission Techniques for Future Mobile Communications)
Category: 
Keyword: 
DS-CDMAadaptive antenna arrayinterference suppression
 Summary | Full Text:PDF(2.9MB)

Field Experiments on Pilot Symbol-Assisted Coherent Multistage Interference Canceller in DS-CDMA Reverse Link
Kenichi HIGUCHI Koichi OKAWA Mamoru SAWAHASHI Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/01/01
Vol. E86-B  No. 1  pp. 181-190
Type of Manuscript:  Special Section PAPER (Special Issue on Multiple Access and Signal Transmission Techniques for Future Mobile Communications)
Category: 
Keyword: 
mobile radio communicationDS-CDMAinterference cancellertransmit power controlchannel estimation
 Summary | Full Text:PDF(1.6MB)

Three-Step Cell Search Algorithm Employing Synchronization and Common Pilot Channels for OFCDM Broadband Wireless Access
Yukiko ISHII Kenichi HIGUCHI Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/12/01
Vol. E85-B  No. 12  pp. 2672-2683
Type of Manuscript:  Special Section PAPER (Special Issue on Software Defined Radio Technology and Its Applications)
Category: 
Keyword: 
mobile radiobroadband packet wireless accessOFCDMinitial cell search
 Summary | Full Text:PDF(2MB)

Experimental Evaluation of High Rate Data Transmission Using Turbo/Convolutional Coding in W-CDMA Mobile Communications
Kenichi HIGUCHI Takehiro IKEDA Satoru FUKUMOTO Mamoru SAWAHASHI Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/12/01
Vol. E85-B  No. 12  pp. 2750-2759
Type of Manuscript:  Special Section PAPER (Special Issue on Software Defined Radio Technology and Its Applications)
Category: 
Keyword: 
mobile radio communicationDS-CDMAturbo codingconvolutional codingfast transmission power control
 Summary | Full Text:PDF(1.9MB)

Multipath Interference Canceller for Orthogonal Code-Multiplexed Channels and Its Performance in W-CDMA Forward Link
Akhmad Unggul PRIANTORO Heiichi YAMAMOTO Kenichi HIGUCHI Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/07/01
Vol. E85-A  No. 7  pp. 1524-1535
Type of Manuscript:  Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
W-CDMAforward linkorthogonal variable spreading factormultipath interference canceller
 Summary | Full Text:PDF(2.1MB)

SIR Measurement with Data Channel Transmission Gap Using Multipath Interference Canceller for High-Speed Packet Transmission in W-CDMA Forward Link
Akihiro FUJIWARA Kenichi HIGUCHI Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/07/01
Vol. E85-A  No. 7  pp. 1546-1556
Type of Manuscript:  Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
DS-CDMAmultipath interferencepacket transmissionadaptive modulationSIR measurement
 Summary | Full Text:PDF(2.5MB)

Experimental Evaluation of Three-Step Cell Search Method in W-CDMA Mobile Communications
Kenichi HIGUCHI Yukiko HANADA Mamoru SAWAHASHI Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/07/01
Vol. E85-A  No. 7  pp. 1511-1523
Type of Manuscript:  Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
DS-CDMAasynchronous cell sitecell searchcode acquisitionscrambling code
 Summary | Full Text:PDF(2.6MB)

Experiments on Space Time Block Coding Transmit Diversity (STTD) in W-CDMA Forward Link
Satoru FUKUMOTO Kenichi HIGUCHI Mamoru SAWAHASHI Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/12/01
Vol. E84-A  No. 12  pp. 3045-3057
Type of Manuscript:  Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
mobile radio communicationW-CDMAtransmit diversityfast transmit power control
 Summary | Full Text:PDF(2.4MB)

Experiments on Inter-Sector Diversity Using Maximal Ratio Combining in W-CDMA Reverse Link
Akihito MORIMOTO Kenichi HIGUCHI Satoru FUKUMOTO Mamoru SAWAHASHI Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/12/01
Vol. E84-A  No. 12  pp. 3012-3025
Type of Manuscript:  Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
W-CDMAsite diversitytransmit power controlRake combining
 Summary | Full Text:PDF(2.4MB)

Outer Loop Control of Fast Transmit Power Control Based on Intermediate Block Error Rate in Concatenated Channel Coding for DS-CDMA Mobile Radio
Koichi OKAWA Kenichi HIGUCHI Mamoru SAWAHASHI Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/07/01
Vol. E84-A  No. 7  pp. 1691-1701
Type of Manuscript:  Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
mobile radioW-CDMAconcatenated channel codingtransmit power controlouter loop control
 Summary | Full Text:PDF(2.1MB)

Parallel-Type Coherent Multi-Stage Interference Canceller with Iterative Channel Estimation Using Both Pilot and Decision-Feedback Data Symbols for W-CDMA Mobile Radio
Koichi OKAWA Kenichi HIGUCHI Mamoru SAWAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/03/01
Vol. E84-B  No. 3  pp. 446-456
Type of Manuscript:  Special Section PAPER (Special Issue on Innovative Mobile Communication Technologies at the Dawn of the 21st Century)
Category: 
Keyword: 
mobile radioW-CDMAparallel-type coherent multistage interference cancelleriterative channel estimationdecision-feedback data symbol
 Summary | Full Text:PDF(1.3MB)

Experiments on Inter-Cell Site Diversity Using Two-Step Selection Combining in W-CDMA Reverse Link
Akihito MORIMOTO Kenichi HIGUCHI Satoru FUKUMOTO Mamoru SAWAHASHI Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/03/01
Vol. E84-B  No. 3  pp. 435-445
Type of Manuscript:  Special Section PAPER (Special Issue on Innovative Mobile Communication Technologies at the Dawn of the 21st Century)
Category: 
Keyword: 
DS-CDMAsite diversitytransmit power controlCRCSIR
 Summary | Full Text:PDF(1.2MB)

Path Search Performance and Its Parameter Optimization of Pilot Symbol-Assisted Coherent Rake Receiver for W-CDMA Mobile Radio
Satoru FUKUMOTO Koichi OKAWA Kenichi HIGUCHI Mamoru SAWAHASHI Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/11/25
Vol. E83-A  No. 11  pp. 2110-2119
Type of Manuscript:  Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
mobile radio communicationDS-CDMARake receiverpath search
 Summary | Full Text:PDF(3MB)

Experiments on Fast Cell Search Algorithm Using Scrambling Code Masking for Inter-Cell Asynchronous W-CDMA System
Kenichi HIGUCHI Mamoru SAWAHASHI Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/11/25
Vol. E83-A  No. 11  pp. 2102-2109
Type of Manuscript:  Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
cell searchinter-cell asynchronous systemDS-CDMAmobile radio
 Summary | Full Text:PDF(1.1MB)

Fast Cell Search Algorithm in Idle Mode for Inter-Cell Asynchronous W-CDMA Mobile Radio
Yukiko HANADA Kenichi HIGUCHI Mamoru SAWAHASHI Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2000/08/25
Vol. E83-B  No. 8  pp. 1610-1618
Type of Manuscript:  Special Section PAPER (Special Issue on Personal, Indoor and Mobile Radio Communications)
Category: 
Keyword: 
mobile radioDS-CDMAtarget cell searchinter-cell asynchronous system
 Summary | Full Text:PDF(1MB)

Experiments on 2-Mbps Data Transmission Applying Antenna Diversity Reception over 5-MHz W-CDMA Mobile Radio Link
Koichi OKAWA Satoru FUKUMOTO Kenichi HIGUCHI Mamoru SAWAHASHI Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2000/08/25
Vol. E83-B  No. 8  pp. 1602-1609
Type of Manuscript:  Special Section PAPER (Special Issue on Personal, Indoor and Mobile Radio Communications)
Category: 
Keyword: 
mobile radioW-CDMA2-Mbps data transmissionantenna diversityTPC
 Summary | Full Text:PDF(1.5MB)

Fast Cell Search Algorithm in Inter-Cell Asynchronous DS-CDMA Mobile Radio
Kenichi HIGUCHI Mamoru SAWAHASHI Fumiyuki ADACHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/07/25
Vol. E81-B  No. 7  pp. 1527-1534
Type of Manuscript:  PAPER
Category: Mobile Communication
Keyword: 
cell searchinter-cell asynchronous systemDS-CDMAmobile radio
 Summary | Full Text:PDF(722.4KB)

Interference Rejection Weight Control for Pilot Symbol-Assisted Coherent Multistage Interference Canceller Using Recursive Channel Estimation in DS-CDMA Mobile Radio
Mamoru SAWAHASHI Hidehiro ANDOH Kenichi HIGUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/05/25
Vol. E81-A  No. 5  pp. 957-972
Type of Manuscript:  PAPER
Category: Spread Spectrum Technologies and Applications
Keyword: 
mobile radio communicationDS-CDMAinterference cancellerpilot symbolchannel estimation
 Summary | Full Text:PDF(1.1MB)

Pilot Symbol-Assisted Coherent Multistage Interference Canceller Using Recursive Channel Estimation for DS-CDMA Mobile Radio
Mamoru SAWAHASHI Yoshinori MIKI Hidehiro ANDOH Kenichi HIGUCHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1996/09/25
Vol. E79-B  No. 9  pp. 1262-1270
Type of Manuscript:  Special Section PAPER (Special Issue on Personal Communications)
Category: Modulation, Equalization and interference cancellation technologies
Keyword: 
mobile radio communicationDS/CDMAinterference cancellerpilot symbolchannel estimation
 Summary | Full Text:PDF(739.5KB)

An SNMP-Based Expert Network Management System
Glenn MANSFIELD Makoto MURATA Kenichi HIGUCHI Krishnamachari JAYANTHI Basabi CHAKRABORTY Yoshiaki NEMOTO Shoichi NOGUCHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1992/08/25
Vol. E75-B  No. 8  pp. 701-708
Type of Manuscript:  Special Section PAPER (Special Issue on the 4th Japan-Korea Joint Conference on Communications, Networks, Switching Systems and Satellite Communications (4th JC-CNSS))
Category: 
Keyword: 
network managementSNMPOSI networksTAINSexpert systems
 Summary | Full Text:PDF(796.8KB)