Hideo KOBAYASHI


High-Efficient Frame Aggregation with Frame Size Adaptation for Downlink MU-MIMO Wireless LANs
Yoshihide NOMURA Kazuo MORI Hideo KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/07/01
Vol. E99-B  No. 7  pp. 1584-1592
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
WLANsIEEE 802.11MU-MIMOframe aggregationuser schedulingframe size adaptationtransmission error
 Summary | Full Text:PDF(1.7MB)

Simple Autonomous Active Period Selection with Reuse Mechanism for Cluster-Based Traffic Adaptive WSNs under Cluster Mobility
Kazuo MORI Hideo KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/08/01
Vol. E98-B  No. 8  pp. 1561-1570
Type of Manuscript:  PAPER
Category: Network
Keyword: 
beacon schedulingautonomous controldistributed controlcluster mobilitytraffic adaptationbackoffwireless sensor networksbeacon enabled modeIEEE802.15.4MAC
 Summary | Full Text:PDF(1.6MB)

Traffic Adaptive Distributed Backoff Control Mechanism for Cluster-Based IEEE802.15.4 WSNs with Traffic Fluctuations
Kazuo MORI Katsuhiro NAITO Hideo KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/05/01
Vol. E95-B  No. 5  pp. 1702-1710
Type of Manuscript:  PAPER
Category: Network
Keyword: 
backofftraffic adaptationwireless sensor networksIEEE802.15.4MACtraffic fluctuation
 Summary | Full Text:PDF(720.3KB)

Enhanced 2-Level Traffic Adaptive Active Period Control for IEEE802.15.4 Cluster-Based Wireless Sensor Networks
Keiji KUBO Kazuo MORI Katsuhiro NAITO Hideo KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/09/01
Vol. E94-B  No. 9  pp. 2521-2531
Type of Manuscript:  PAPER
Category: Network
Keyword: 
wireless sensor networksIEEE802.15.4MACtraffic adaptationnon-uniform traffic
 Summary | Full Text:PDF(3.4MB)

Resource Allocation Based on TCP Performance in Base Station Diversity Systems
Katsuhiro NAITO Kazuo MORI Hideo KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/08/01
Vol. E94-B  No. 8  pp. 2357-2365
Type of Manuscript:  PAPER
Category: Terrestrial Wireless Communication/Broadcasting Technologies
Keyword: 
wireless InternetTCPresource allocationbase station diversity
 Summary | Full Text:PDF(1.3MB)

Traffic Adaptive Backoff Window Control for IEEE 802.15.4 MAC in Cluster-Based WSNs with Various Traffic Fluctuations
Kazuo MORI Katsuhiro NAITO Hideo KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/07/01
Vol. E94-B  No. 7  pp. 1901-1913
Type of Manuscript:  PAPER
Category: Network
Keyword: 
backofftraffic adaptationwireless sensor networksIEEE802.15.4MACtraffic non-uniformity
 Summary | Full Text:PDF(1.9MB)

Traffic Adaptive MAC Mechanism for IEEE 802.15.4 Cluster Based Wireless Sensor Networks with Various Traffic Non-uniformities
Mario ARZAMENDIA Kazuo MORI Katsuhiro NAITO Hideo KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/11/01
Vol. E93-B  No. 11  pp. 3035-3047
Type of Manuscript:  PAPER
Category: Network
Keyword: 
Wireless Sensor NetworksIEEE 802.15.4MAC layerduty cycletraffic adaptationtraffic non-uniformity
 Summary | Full Text:PDF(1.5MB)

Proposal of Improved PTS Method for STBC MIMO-OFDM Systems
Tanairat MATA Pornpawit BOONSRIMUANG Pisit BOONSRIMUANG Hideo KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/10/01
Vol. E93-B  No. 10  pp. 2673-2676
Type of Manuscript:  Special Section LETTER (Special Section on Advanced Technologies in Antennas and Propagation in Conjunction with Main Topics of ISAP2009)
Category: Radio Systems
Keyword: 
PAPRPTSOFDMSTBCMIMO-OFDM
 Summary | Full Text:PDF(375.4KB)

Evaluation of Reliable Multicast Delivery in Base Station Diversity Systems
Katsuhiro NAITO Kazuo MORI Hideo KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/06/01
Vol. E93-B  No. 6  pp. 1615-1619
Type of Manuscript:  LETTER
Category: Internet
Keyword: 
wireless Internet accessbase station diversityreliable multicastIP multicast
 Summary | Full Text:PDF(197.3KB)

Adaptive Transmit Window Control for Channel State Based CDMA Downlink Packet Communications
Kazuo MORI Katsuhiro NAITO Hideo KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/09/01
Vol. E92-A  No. 9  pp. 2248-2252
Type of Manuscript:  Special Section LETTER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
transmission controlwindow controltransmission powerCDMAdownlinksoft handoff
 Summary | Full Text:PDF(211.8KB)

Downlink Multihop Transmission Technique for Asymmetric Traffic Accommodation in DS-CDMA/FDD Cellular Communications
Kazuo MORI Katsuhiro NAITO Hideo KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/10/01
Vol. E91-B  No. 10  pp. 3122-3131
Type of Manuscript:  Special Section PAPER (Special Section on Next-Generation Mobile Multimedia Communications)
Category: 
Keyword: 
asymmetric trafficmultihop transmissionsCDMAFDDcellular systems
 Summary | Full Text:PDF(710.1KB)

Proposal of Simple PAPR Reduction Method for OFDM Signal by Using Dummy Sub-Carriers
Pisit BOONSRIMUANG Kazuo MORI Tawil PAUNGMA Hideo KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/03/01
Vol. E91-B  No. 3  pp. 784-794
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
OFDMPAPRDSI methoddummy sub-carriersnon-linear amplifier
 Summary | Full Text:PDF(723.5KB)

Model Based Prediction of Uplink Multi-Path Fading Channel Response for Pre-Equalization in Mobile MC-CDMA Systems
Gagik MKRTCHYAN Katsuhiro NAITO Kazuo MORI Hideo KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/02/01
Vol. E91-B  No. 2  pp. 446-458
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
MC-CDMApre-equalizationmulti-path fading channelmodel-based prediction methodML estimation
 Summary | Full Text:PDF(1MB)

Asymmetric Traffic Accommodation Using Adaptive Cell Sizing Technique for CDMA/FDD Cellular Packet Communications
Kazuo MORI Katsuhiro NAITO Hideo KOBAYASHI Hamid AGHVAMI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/07/01
Vol. E90-A  No. 7  pp. 1271-1279
Type of Manuscript:  Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
asymmetric trafficfrequency division duplexingcellular systemCDMAmultimedia communicationscell size control
 Summary | Full Text:PDF(878.2KB)

Downlink Packet Transmission Control Based on Soft Handoff Status in CDMA Cellular Packet Networks
Abubaker KHUMSI Kazuo MORI Katsuhiro NAITO Hideo KOBAYASHI Hamid AGHVAMI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/05/01
Vol. E90-B  No. 5  pp. 1252-1256
Type of Manuscript:  LETTER
Category: Wireless Communication Technologies
Keyword: 
mobile communicationsCDMAdownlinktransmit power controlsoft handofftransmission control
 Summary | Full Text:PDF(207.4KB)

PAPR Reduction of OFDM Signal by Use of DSI Method with Time-Frequency Domain Swapping Algorithm
Pisit BOONSRIMUANG Katsuhiro NAITO Kazuo MORI Tawil PAUNGMA Hideo KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/04/01
Vol. E90-B  No. 4  pp. 1001-1006
Type of Manuscript:  LETTER
Category: Wireless Communication Technologies
Keyword: 
OFDMPAPRdummy sub-carriersnon-linear amplifier
 Summary | Full Text:PDF(346KB)

Evolutional Algorithm Based Learning of Time Varying Multipath Fading Channels for Software Defined Radio
Gagik MKRTCHYAN Katsuhiro NAITO Kazuo MORI Hideo KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/12/01
Vol. E89-B  No. 12  pp. 3269-3273
Type of Manuscript:  Special Section LETTER (Special Section on Software Defined Radio Technology and Its Applications)
Category: 
Keyword: 
evolutional algorithmssoftware-defined radiotime-varying multipath fading channeldynamic learning systems
 Summary | Full Text:PDF(374KB)

Doppler Spread Estimation Method for OFDM Signal Using Mean Square of Channel Impulse Response's Time Derivative
Gagik MKRTCHYAN Katsuhiro NAITO Kazuo MORI Hideo KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/10/01
Vol. E89-B  No. 10  pp. 2961-2966
Type of Manuscript:  LETTER
Category: Antennas and Propagation
Keyword: 
Doppler spreadOFDMtime varying multipath fading channel
 Summary | Full Text:PDF(522.6KB)

Complexity Reduced Maximum Likelihood Detection for SDM-OFDM System
Yuanrun TENG Katsuhiro NAITO Kazuo MORI Hideo KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/07/01
Vol. E89-B  No. 7  pp. 2084-2087
Type of Manuscript:  LETTER
Category: Wireless Communication Technologies
Keyword: 
MIMOSDM-OFDMspatial diversityMLD
 Summary | Full Text:PDF(140.9KB)

Performance Evaluations of DCT Interpolation-Based Channel Estimation Method for MIMO-OFDM System
Yuanrun TENG Katsuhiro NAITO Kazuo MORI Hideo KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/09/01
Vol. E88-B  No. 9  pp. 3806-3810
Type of Manuscript:  LETTER
Category: Wireless Communication Technologies
Keyword: 
MIMOOFDMDCTchannel estimation
 Summary | Full Text:PDF(799.3KB)

Asymmetric Radio Resource Assignment Scheme for Connection-less Services in CDMA/Shared-TDD Cellular Packet Communications
Yukinari KOBAYASHI Kazuo MORI Hideo KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/07/01
Vol. E88-A  No. 7  pp. 1903-1911
Type of Manuscript:  Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: Wireless Communication Technology
Keyword: 
CDMAasymmetric trafficshared-TDD schemecellular systemspacket communications
 Summary | Full Text:PDF(823.3KB)

Proposal of Clipping and Inter-Modulation Noise Mitigation Method for OFDM Signal in Non-linear Channel
Pisit BOONSRIMUANG Kazuo MORI Tawil PAUNGMA Hideo KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/02/01
Vol. E88-B  No. 2  pp. 427-435
Type of Manuscript:  Special Section PAPER (Special Section on Multi-carrier Signal Processing Techniques for Next Generation Mobile Communications--Part2)
Category: 
Keyword: 
OFDMnon-linear channelPAPRclippingDARIDAR
 Summary | Full Text:PDF(1.2MB)

Correction of OFDM Signal Form in Time Domain to Reduce ICI Due to the Doppler Spread and Carrier Frequency Offset
Gagik MKRTCHYAN Kazuo MORI Hideo KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/01/01
Vol. E88-B  No. 1  pp. 122-133
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: 
OFDMDFTICIDoppler spreadcarrier offset
 Summary | Full Text:PDF(1.2MB)

Proposal of SDM-SCOFDM System with Adaptive Modulation Method over MIMO Channels
Yuanrun TENG Kazuo MORI Hideo KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/09/01
Vol. E87-B  No. 9  pp. 2757-2766
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
MIMOOFDMSCOFDMwireless LANadaptive modulation
 Summary | Full Text:PDF(532.2KB)

Frequency Band and Time Slot Selection Scheme for Downlink Packet Communications in Cellular Band Division MC-CDM Systems
Kazuo MORI Hideo KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/05/01
Vol. E87-B  No. 5  pp. 1114-1122
Type of Manuscript:  Special Section PAPER (Special Section on Mobile Multimedia Communications)
Category: Mobile Radio
Keyword: 
MC-CDMAband divisionradio resource allocationfrequency bandtime slotpacket communicationcellular systemmobile multimedia
 Summary | Full Text:PDF(1.2MB)

Uplink Packet Transmission Control for Asymmetric Traffic in CDMA/Shared-TDD Cellular Packet Communications
Kazuo MORI Tomotaka NAGAOSA Hideo KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/09/01
Vol. E86-B  No. 9  pp. 2620-2627
Type of Manuscript:  PAPER
Category: Wireless Communication Technology
Keyword: 
asymmetric communicationtime division duplexingcellular systemCDMApacket communicationtransmission control
 Summary | Full Text:PDF(1.3MB)

Slot Assignment Method for CDMA/NC-PRMA Systems in Multi-Cell Environments
Akio KATO Tomotaka NAGAOSA Kazuo MORI Hideo KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/07/01
Vol. E86-A  No. 7  pp. 1619-1626
Type of Manuscript:  Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
CDMAPRMAslot assignmentcellular systemspacket communications
 Summary | Full Text:PDF(1.4MB)

Transmission Power Control Based on Predicted SIR for Downlink Common Channel Transmissions in CDMA Cellular Packet Communications
Kazuo MORI Tomotaka NAGAOSA Hideo KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/01/01
Vol. E86-B  No. 1  pp. 96-104
Type of Manuscript:  Special Section PAPER (Special Issue on Multiple Access and Signal Transmission Techniques for Future Mobile Communications)
Category: 
Keyword: 
CDMAtransmission power controldownlinkpacket communicationcommon channelsite diversity
 Summary | Full Text:PDF(924.8KB)

Proposal of Grouping Adaptive Modulation Method for Burst Mode OFDM Transmission System
Yuanrun TENG Tomotaka NAGAOSA Kazuo MORI Hideo KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/01/01
Vol. E86-B  No. 1  pp. 257-265
Type of Manuscript:  Special Section PAPER (Special Issue on Multiple Access and Signal Transmission Techniques for Future Mobile Communications)
Category: 
Keyword: 
OFDMwireless LANmulti-path fadingadaptive modulationWalsh-Hadamard
 Summary | Full Text:PDF(1.1MB)

Proposal of Symbol Timing and Carrier Frequency Synchronization Methods for Burst Mode OFDM Signal
Hideo KOBAYASHI Kazuo MORI Tomotaka NAGAOSA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/01/01
Vol. E86-B  No. 1  pp. 238-246
Type of Manuscript:  Special Section PAPER (Special Issue on Multiple Access and Signal Transmission Techniques for Future Mobile Communications)
Category: 
Keyword: 
wireless LANburst modeOFDMsymbol timingcarrier frequency-offset
 Summary | Full Text:PDF(544.6KB)

Novel DOA Estimation Method for HA Adaptive Array Applicable to TDMA Mobile Satellite Communication Systems
Yukihiro KAMIYA Shinichi NOMOTO Hideo KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/07/25
Vol. E81-B  No. 7  pp. 1535-1541
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
adaptive arrayHowells-ApplebaumTDMADOA estimationdigital beamforming
 Summary | Full Text:PDF(543.6KB)

Carrier Frequency Offset-Spread Spectrum (CFO-SS) Method for Wireless LAN System Using 2.4 GHz ISM Band
Hiroyasu ISHIKAWA Hideyuki SHINONAGA Hideo KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/12/25
Vol. E80-A  No. 12  pp. 2366-2371
Type of Manuscript:  Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
wireless LAN systemsspread spectrum2.4 GHz ISM bandcarrier frequency offsetSAW matched filter
 Summary | Full Text:PDF(489.5KB)

Proposal of Multi Layered Microcell System with No Handover Areas
Akira YAMAGUCHI Hideo KOBAYASHI Toshio MIZUNO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1996/03/25
Vol. E79-B  No. 3  pp. 266-271
Type of Manuscript:  Special Section PAPER (Special Issue on Advanced Adaptive Radio Communication Technologies)
Category: Access, Network
Keyword: 
microcellmulti layered cellhandovercell site
 Summary | Full Text:PDF(529.4KB)

A Novel Selection Diversity Method with Decision Feedback Equalizer
Hiroyasu ISHIKAWA Hideo KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1994/05/25
Vol. E77-B  No. 5  pp. 566-572
Type of Manuscript:  Special Section PAPER (Special Issue on Adaptive Signal Processing in Mobile Radio Communications)
Category: 
Keyword: 
decision feedback equalizermultipath fadingselection diversitydigital land mobile communications system
 Summary | Full Text:PDF(612.6KB)

A Construction Method for Non-blocking, Large Matrix-Size Optomechanical Switch
Toshiaki KATAGIRI Masao TACHIKURA Hideo KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1993/11/25
Vol. E76-B  No. 11  pp. 1470-1473
Type of Manuscript:  LETTER
Category: Switching and Communication Processing
Keyword: 
optical communicationswitchferruleconnectornon-blocking
 Summary | Full Text:PDF(326.8KB)

FOREWORD
Shuzo KATO Shinsuke HARA Shingo OHMORI Hideo KOBAYASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1993/05/25
Vol. E76-B  No. 5  pp. 455-456
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(235.8KB)

A Novel Carrier Recovery Method for Preambleless Demodulation
Teruhiko HONDA Yoshio TAKEUCHI Hideo KOBAYASHI Toshio MIZUNO 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1990/10/25
Vol. E73-E  No. 10  pp. 1681-1687
Type of Manuscript:  Special Section PAPER (Special Issue on Communication Theory and Its Applications)
Category: Modulation and Demodulation
Keyword: 
 Summary | Full Text:PDF(617.3KB)

A Low-Loss Multifiber Mechanical Switch for 1.55µm Zero-Dispersion Fibers
Shinji NAGASAWA Hideo KOBAYASHI Fumihiro ASHIYA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1990/07/25
Vol. E73-E  No. 7  pp. 1147-1149
Type of Manuscript:  LETTER
Category: Communication Cable and Wave Guides
Keyword: 
 Summary | Full Text:PDF(217.7KB)

A New Optical Slack Fiber Accommodation Block for 800-Fiber Fusion Splices
Junichi TAKAGI Hitoshi YANAGIURA Hideo KOBAYASHI Nobuo TOMITA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1986/04/25
Vol. E69-E  No. 4  pp. 363-364
Type of Manuscript:  Special Section LETTER (Special Issue: Papers from 1986 National Convention IECE Japan)
Category: Optical Communication and Cables
Keyword: 
 Summary | Full Text:PDF(162.7KB)

A New High-Density Cylindrical Accommodation Block for a Large Number of Optical Fiber Splices
Hitoshi YANAGIURA Hideo KOBAYASHI Junichi TAKAGI Nobuo TOMITA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1986/04/25
Vol. E69-E  No. 4  pp. 360-362
Type of Manuscript:  Special Section LETTER (Special Issue: Papers from 1986 National Convention IECE Japan)
Category: Optical Communication and Cables
Keyword: 
 Summary | Full Text:PDF(140.8KB)