Masahiro MORIKURA


Mitigating Throughput Starvation in Dense WLANs through Potential Game-Based Channel Selection
Bo YIN Shotaro KAMIYA Koji YAMAMOTO Takayuki NISHIO Masahiro MORIKURA Hirantha ABEYSEKERA 
Publication:   
Publication Date: 2017/11/01
Vol. E100-A  No. 11  pp. 2341-2350
Type of Manuscript:  Special Section PAPER (Special Section on Smart Multimedia & Communication Systems)
Category: Communication Systems
Keyword: 
densely deployed WLANsflow-in-the-middle starvationchannel selectionpotential game
 Summary | Full Text:PDF(2.2MB)

Joint Deployment of RGB-D Cameras and Base Stations for Camera-Assisted mmWave Communication System
Yuta OGUMA Takayuki NISHIO Koji YAMAMOTO Masahiro MORIKURA 
Publication:   
Publication Date: 2017/11/01
Vol. E100-A  No. 11  pp. 2332-2340
Type of Manuscript:  Special Section PAPER (Special Section on Smart Multimedia & Communication Systems)
Category: Communication Systems
Keyword: 
mmWave communicationsRGB-D camerahuman blockagestochastic geometrynetwork deployment
 Summary | Full Text:PDF(2.1MB)

Spatial Co-Channel Overlap Mitigation through Channel Assignment in Dense WLAN: Potential Game Approach
Shotaro KAMIYA Koji YAMAMOTO Takayuki NISHIO Masahiro MORIKURA Tomoyuki SUGIHARA 
Publication:   
Publication Date: 2017/07/01
Vol. E100-B  No. 7  pp. 1094-1104
Type of Manuscript:  Special Section PAPER (Special Section on Smart Radio and Its Applications in Conjunction with Main Topics of SmartCom)
Category: Terrestrial Wireless Communication/Broadcasting Technologies
Keyword: 
wireless local area networkscoverage overlapchannel assignmentpotential gamegame theory
 Summary | Full Text:PDF(1.5MB)

MAC Protocol for Improving Throughput and Balancing Uplink/Downlink Throughput for Wireless Local Area Networks with Long Propagation Delays
Takayuki NISHIO Kaito FUNABIKI Masahiro MORIKURA Koji YAMAMOTO Daisuke MURAYAMA Katsuya NAKAHIRA 
Publication:   
Publication Date: 2017/05/01
Vol. E100-B  No. 5  pp. 874-883
Type of Manuscript:  PAPER
Category: Terrestrial Wireless Communication/Broadcasting Technologies
Keyword: 
wireless local area network (WLAN)long propagation delayIEEE 802.11MAC protocollong-distance WLANradio over fiber WLANCSMA/CA
 Summary | Full Text:PDF(2.7MB)

Knowledge-Based Reestablishment of Primary Exclusive Region in Database-Driven Spectrum Sharing
Shota YAMASHITA Koji YAMAMOTO Takayuki NISHIO Masahiro MORIKURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/09/01
Vol. E99-B  No. 9  pp. 2019-2027
Type of Manuscript:  Special Section PAPER (Special Section on Integration Technologies of Ambient Intelligence and Sensor Networks)
Category: 
Keyword: 
5Gcognitive radiospectrum sharingdatabasestochastic geometry
 Summary | Full Text:PDF(1.5MB)

Self-Organization of Coverage of Densely Deployed WLANs Considering Outermost APs without Generating Coverage Holes
Shotaro KAMIYA Keita NAGASHIMA Koji YAMAMOTO Takayuki NISHIO Masahiro MORIKURA Tomoyuki SUGIHARA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/09/01
Vol. E99-B  No. 9  pp. 1980-1988
Type of Manuscript:  Special Section PAPER (Special Section on Integration Technologies of Ambient Intelligence and Sensor Networks)
Category: 
Keyword: 
coverage adaptationIEEE 802.11 WLANtransmission power controlarea coverage holecoverage boundary
 Summary | Full Text:PDF(1.6MB)

Proactive Handover Based on Human Blockage Prediction Using RGB-D Cameras for mmWave Communications
Yuta OGUMA Takayuki NISHIO Koji YAMAMOTO Masahiro MORIKURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/08/01
Vol. E99-B  No. 8  pp. 1734-1744
Type of Manuscript:  Special Section PAPER (Special Section on Advanced Information and Communication Technologies and Services in Conjunction with Main Topics of APCC2015)
Category: Terrestrial Wireless Communication/Broadcasting Technologies
Keyword: 
mmWave communicationshuman blockageRGB-D cameraproactive handover
 Summary | Full Text:PDF(2.1MB)

Rate Adaptation Based on Exposure Assessment Using Rectenna Output for WLAN Station Powered with Microwave Power Transmission
Shota YAMASHITA Koichi SAKAGUCHI Yong HUANG Koji YAMAMOTO Takayuki NISHIO Masahiro MORIKURA Naoki SHINOHARA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/09/01
Vol. E98-B  No. 9  pp. 1785-1794
Type of Manuscript:  Special Section PAPER (Special Section on Emerging Technologies on Ambient Sensor Networks toward Future Generation)
Category: 
Keyword: 
wireless local area networkrate adaptationmicrowave power transmissionrectenna
 Summary | Full Text:PDF(3.6MB)

A Camera and LED-Based Medium Access Control Scheme for Wireless LANs
Ryo NISHIOKA Takayuki NISHIO Masahiro MORIKURA Koji YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/05/01
Vol. E98-B  No. 5  pp. 917-926
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
WLANvisual MIMOmedium access controlCSMA/CAquality of experienceoptical camera communications
 Summary | Full Text:PDF(1.7MB)

An Iterative MIMO Receiver Employing Virtual Channels with a Turbo Decoder for OFDM Wireless Systems
Akihito TAYA Satoshi DENNO Koji YAMAMOTO Masahiro MORIKURA Daisuke UMEHARA Hidekazu MURATA Susumu YOSHIDA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/05/01
Vol. E98-B  No. 5  pp. 878-889
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
multiple-input multiple-outputvirtual channelsoft-input soft-outputlog likelihood ratioiterative scheme
 Summary | Full Text:PDF(1.5MB)

Hybrid Station Aided Coexistence Scheme between Wireless PANs and Wireless LAN
Fumihiro INOUE Takayuki NISHIO Masahiro MORIKURA Koji YAMAMOTO Fusao NUNO Takatoshi SUGIYAMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2015/02/01
Vol. E98-A  No. 2  pp. 578-588
Type of Manuscript:  Special Section PAPER (Special Section on Wideband Systems)
Category: 
Keyword: 
coexistenceIEEE 802.15.4IEEE 802.11ZigBeeWLANWPANWSNQoS
 Summary | Full Text:PDF(2.2MB)

Experimental Investigation of Co-channel and Adjacent Channel Operations of Microwave Power and IEEE 802.11g Data Transmissions
Norikatsu IMOTO Shota YAMASHITA Takuya ICHIHARA Koji YAMAMOTO Takayuki NISHIO Masahiro MORIKURA Naoki SHINOHARA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/09/01
Vol. E97-B  No. 9  pp. 1835-1842
Type of Manuscript:  Special Section PAPER (Special Section on Ambient Intelligence and Sensor Networks)
Category: 
Keyword: 
microwave power transmissionIEEE 802.11CSMA/CAWLANadjacent channel interference
 Summary | Full Text:PDF(3.3MB)

Differential Game-Theoretic Analysis on Information Availability in Decentralized Demand-Side Energy Management Systems
Ryohei ARAI Koji YAMAMOTO Takayuki NISHIO Masahiro MORIKURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/09/01
Vol. E97-B  No. 9  pp. 1817-1825
Type of Manuscript:  Special Section PAPER (Special Section on Ambient Intelligence and Sensor Networks)
Category: 
Keyword: 
demand-side energy managementsmart gridsdifferential gameoptimal controlinformation availabilitydecentralized control
 Summary | Full Text:PDF(1.5MB)

Implementation and Feasibility Study of Co-channel Operation System of Microwave Power Transmissions to IEEE 802.11-Based Batteryless Sensor
Shota YAMASHITA Norikatsu IMOTO Takuya ICHIHARA Koji YAMAMOTO Takayuki NISHIO Masahiro MORIKURA Naoki SHINOHARA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/09/01
Vol. E97-B  No. 9  pp. 1843-1852
Type of Manuscript:  Special Section PAPER (Special Section on Ambient Intelligence and Sensor Networks)
Category: 
Keyword: 
microwave power transmissionIEEE 802.11g-based wireless LANco-channel operationbatterylesstime schedulingsleep mode
 Summary | Full Text:PDF(3.7MB)

Virtual Continuous CWmin Control Scheme of WLAN
Yuki SANGENYA Fumihiro INOUE Masahiro MORIKURA Koji YAMAMOTO Fusao NUNO Takatoshi SUGIYAMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2014/01/01
Vol. E97-A  No. 1  pp. 40-48
Type of Manuscript:  Special Section PAPER (Special Section on Wideband Systems)
Category: Foundations
Keyword: 
CSMA/CAIEEE 802.11 DCFCWmin controlfairnessperformance analysis model
 Summary | Full Text:PDF(1.4MB)

A Low Complexity Heterodyne Multiband MIMO Receiver with Baseband Automatic Gain Control
Tomoya OHTA Satoshi DENNO Masahiro MORIKURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/12/01
Vol. E96-B  No. 12  pp. 3124-3134
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
cognitive radioheterodyne multiband receiverbaseband automatic gain controlmultiple-input multiple-outputanalog devices imperfection in a feedback loop
 Summary | Full Text:PDF(1.2MB)

IEEE 802.11ah Based M2M Networks Employing Virtual Grouping and Power Saving Methods
Kohei OGAWA Masahiro MORIKURA Koji YAMAMOTO Tomoyuki SUGIHARA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/12/01
Vol. E96-B  No. 12  pp. 2976-2985
Type of Manuscript:  Special Section PAPER (Special Section on Network and System Technologies for Sustainable Society)
Category: 
Keyword: 
M2M networkswireless LANIEEE 802.11ahEDCApower savingCSMA/CA
 Summary | Full Text:PDF(2MB)

Fixed-Rate Resource Exchange for Multi-Operator Pico eNodeB
Tomohiko MIMURA Koji YAMAMOTO Masahiro MORIKURA Ayako IWATA Takashi TAMURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/11/01
Vol. E96-B  No. 11  pp. 2913-2922
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
multi-operatorpico eNodeBresource allocationgame theorymechanism design
 Summary | Full Text:PDF(2MB)

A Reduced-Complexity Heterodyne Multiband MIMO Receiver with Estimation of Analog Devices Imperfection in a Baseband Feedback Loop
Tomoya OHTA Satoshi DENNO Masahiro MORIKURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/06/01
Vol. E96-B  No. 6  pp. 1540-1550
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
cognitive radioheterodyne multiband receivermultiple-input multiple-outputanalog devices imperfection in a feedback loopraising frequency utilization efficiency
 Summary | Full Text:PDF(1.3MB)

Game-Theoretic Analysis of Multibandwidth Channel Selection by Coordinated APs in WLANs
Kohei HANADA Koji YAMAMOTO Masahiro MORIKURA Koichi ISHIHARA Riichi KUDO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/06/01
Vol. E96-B  No. 6  pp. 1277-1287
Type of Manuscript:  Special Section PAPER (Special Section on Heterogeneous Networks for Future Cellular Systems)
Category: 
Keyword: 
wireless LANmultibandwidthchannel selectionIEEE 802.11acoverlapping BSSgame theory
 Summary | Full Text:PDF(1.6MB)

Multi-Operator Mobile Relaying: Shared-Spectrum Allocation
Tomohiko MIMURA Koji YAMAMOTO Masahiro MORIKURA Ayako IWATA Akihiko NISHIO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/06/01
Vol. E96-B  No. 6  pp. 1377-1384
Type of Manuscript:  Special Section PAPER (Special Section on Heterogeneous Networks for Future Cellular Systems)
Category: 
Keyword: 
multi-operatormobile relayingschedulingbargaining game
 Summary | Full Text:PDF(2MB)

Complexity Reduced Lattice-Reduction-Aided MIMO Receiver with Virtual Channel Detection
Shogo YOSHIKAWA Satoshi DENNO Masahiro MORIKURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/01/01
Vol. E96-B  No. 1  pp. 263-270
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
MIMOOFDMspatial multiplexinglattice reductionvirtual channel
 Summary | Full Text:PDF(788.8KB)

Software Radio-Based Distributed Multi-User MIMO Testbed: Towards Green Wireless Communications
Hidekazu MURATA Susumu YOSHIDA Koji YAMAMOTO Daisuke UMEHARA Satoshi DENNO Masahiro MORIKURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2013/01/01
Vol. E96-A  No. 1  pp. 247-254
Type of Manuscript:  INVITED PAPER (Special Section on Wideband Systems)
Category: 
Keyword: 
green wirelessmulti-user MIMOsoftware radiodistributed antenna systemfield experiment
 Summary | Full Text:PDF(2.8MB)

Frequency Domain Imbalance Estimation in Heterodyne Multimode/Band Receivers with Baseband Automatic Gain Control
Satoshi DENNO Ke LIU Tatsuo FURUNO Masahiro MORIKURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/01/01
Vol. E96-B  No. 1  pp. 271-280
Type of Manuscript:  PAPER
Category: Terrestrial Wireless Communication/Broadcasting Technologies
Keyword: 
cognitive radiomultimode/band receiverimage-band interferenceheterodyne receiverAGC
 Summary | Full Text:PDF(1MB)

A Virtual Layered Successive Detector with Adaptive Transmit Signal Phase Rotation for QAM
Satoshi DENNO Jun IMAMURA Masahiro MORIKURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/10/01
Vol. E95-B  No. 10  pp. 3232-3241
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
MIMOspatial multiplexingQAMvirtual channelsuccessive detectioneigenvalue
 Summary | Full Text:PDF(853.5KB)

A Least Bit Error Rate Adaptive Array for MultiLevel Modulations
Satoshi DENNO Daisuke UMEHARA Masahiro MORIKURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/01/01
Vol. E95-B  No. 1  pp. 69-76
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Antennas and Propagation in Conjunction with Main Topics of ISAP2010)
Category: Radio Systems
Keyword: 
adaptive arrayadaptive algorithmAPSKerror ratenon-linear equationinterference cancellation
 Summary | Full Text:PDF(643.4KB)

A Virtual Layered Space-Frequency Receiver Architecture with Iterative Decoding
Jun IMAMURA Satoshi DENNO Daisuke UMEHARA Masahiro MORIKURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/07/01
Vol. E94-B  No. 7  pp. 1994-2002
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
MIMOOFDMspatial multiplexingiterative decodingsuccessive detection
 Summary | Full Text:PDF(862.5KB)

Theoretical Performance Analysis of an Image-Band Interference Canceller with Deterministic Imbalance Estimation
Satoshi DENNO Ke LIU Tatsuo FURUNO Masahiro MORIKURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/04/01
Vol. E94-B  No. 4  pp. 968-977
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
cognitive radiomultimodemultibandheterodyne receptionimage-band interferenceblind cancelerI/Q imbalance
 Summary | Full Text:PDF(613.3KB)

Enhancement of CSMA/CA and Network Coding in Single-Relay Multi-User Wireless Networks
Chun-Hsiang HUANG Daisuke UMEHARA Satoshi DENNO Masahiro MORIKURA Takatoshi SUGIYAMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/12/01
Vol. E93-B  No. 12  pp. 3371-3380
Type of Manuscript:  Special Section PAPER (Special Section on Wireless Distributed Networks)
Category: 
Keyword: 
single-relay multi-user networksnetwork codingCSMA/CACWmin optimizationwireless throughputfairness
 Summary | Full Text:PDF(1MB)

Blind Image-Band Interference Canceller Based on CM (Constant Modulus) Criteria for Multimode Receivers
Satoshi DENNO Tatsuo FURUNO Masahiro MORIKURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/09/01
Vol. E92-B  No. 9  pp. 2903-2914
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
software radiomultimodemultibandimage-band Interferenceheterodyne reception
 Summary | Full Text:PDF(712.1KB)

An Effective Data Transfer Method for IEEE 802.11 Wireless LANs
Kazuyoshi SAITOH Yasuhiko INOUE Tomoaki KUMAGAI Masataka IIZUKA Satoru AIKAWA Masahiro MORIKURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/03/01
Vol. E88-B  No. 3  pp. 1266-1270
Type of Manuscript:  LETTER
Category: Wireless Communication Technologies
Keyword: 
CSMA/CAmultirate controlpriority controlslot time
 Summary | Full Text:PDF(1.5MB)

A New Very High-Rate Wireless LAN System Employing OFDM and MC/CDMA Signals
Takeshi ONIZAWA Takafumi FUJITA Tetsu SAKATA Masahiro MORIKURA Satoru AIKAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/05/01
Vol. E87-B  No. 5  pp. 1227-1234
Type of Manuscript:  Special Section PAPER (Special Section on Mobile Multimedia Communications)
Category: Wireless LAN
Keyword: 
wireless LANmultiple-cell environmentuniversal frequency reuseOFDMMC/CDMAfallback
 Summary | Full Text:PDF(1.3MB)

A New Simple Adaptive Phase Tracking Scheme Employing Phase Noise Estimation for OFDM Signals
Takeshi ONIZAWA Masato MIZOGUCHI Tetsu SAKATA Masahiro MORIKURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/01/01
Vol. E86-B  No. 1  pp. 247-256
Type of Manuscript:  Special Section PAPER (Special Issue on Multiple Access and Signal Transmission Techniques for Future Mobile Communications)
Category: 
Keyword: 
wireless LANOFDMphase trackingresidual carrier frequency errorphase noise
 Summary | Full Text:PDF(1.9MB)

Novel Multiple Access Protocol for Voice over IP in Wireless LAN
Takefumi HIRAGURI Takeo ICHIKAWA Masataka IIZUKA Masahiro MORIKURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/10/01
Vol. E85-B  No. 10  pp. 2145-2152
Type of Manuscript:  Special Section PAPER (Special Issue on Mobile Multimedia Communications)
Category: 
Keyword: 
wireless LANCSMA/CAVoIPH.323
 Summary | Full Text:PDF(825KB)

A New Branch Metric Generation Method for Soft-Decision Viterbi Decoding in Coded OFDM-SDM Systems Employing MLD over Frequency Selective MIMO Channels
Satoru HORI Masato MIZOGUCHI Tetsu SAKATA Masahiro MORIKURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/07/01
Vol. E85-A  No. 7  pp. 1675-1684
Type of Manuscript:  Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
wireless LANOFDM-SDMMLDViterbi decodebranch metric
 Summary | Full Text:PDF(1.5MB)

A New Space Diversity Reception Scheme for Packet-Based OFDM Wireless Access Systems
Satoru HORI Tomoaki KUMAGAI Masato MIZOGUCHI Masahiro MORIKURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/06/01
Vol. E85-B  No. 6  pp. 1083-1093
Type of Manuscript:  PAPER
Category: Wireless Communication Technology
Keyword: 
OFDMspace diversityphase trackingcarrier frequency synchronization
 Summary | Full Text:PDF(1.1MB)

Reliable Multicast Protocol with a Representative Acknowledgment Scheme for Wireless Systems
Yasuhiko INOUE Masataka IIZUKA Hitoshi TAKANASHI Masahiro MORIKURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/04/01
Vol. E84-B  No. 4  pp. 853-862
Type of Manuscript:  Special Section PAPER (Special Issue on Mobile Multimedia Communications)
Category: 
Keyword: 
multicastreliabilityretransmissionstation group
 Summary | Full Text:PDF(1.1MB)

A New Vector Error Measurement Scheme for Transmit Modulation Accuracy of OFDM Systems
Satoru HORI Tomoaki KUMAGAI Tetsu SAKATA Masahiro MORIKURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1999/12/25
Vol. E82-B  No. 12  pp. 1906-1913
Type of Manuscript:  Special Section PAPER (Special Issue on Multimedia Mobile Communication Systems)
Category: 
Keyword: 
OFDMinter-operabilitytransmit modulation accuracyvector errorpilot signal
 Summary | Full Text:PDF(554.9KB)

A Novel Channel Estimation Scheme Employing Adaptive Selection of Frequency-Domain Filters for OFDM Systems
Takeshi ONIZAWA Masato MIZOGUCHI Masahiro MORIKURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1999/12/25
Vol. E82-B  No. 12  pp. 1923-1931
Type of Manuscript:  Special Section PAPER (Special Issue on Multimedia Mobile Communication Systems)
Category: 
Keyword: 
wireless LANOFDMQAMcoherent detectionchannel estimationadaptive filterbit shifter
 Summary | Full Text:PDF(387.9KB)

A Maximal Ratio Combining Frequency Diversity ARQ Scheme for High-Speed OFDM Systems
Tomoaki KUMAGAI Tetsu SAKATA Masahiro MORIKURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1999/12/25
Vol. E82-B  No. 12  pp. 1914-1922
Type of Manuscript:  Special Section PAPER (Special Issue on Multimedia Mobile Communication Systems)
Category: 
Keyword: 
ARQpacket combiningOFDMfrequency diversitymaximal ratio combining
 Summary | Full Text:PDF(394.1KB)

A Novel Coherent Preambleless Demodulator Employing Sequential Processing for PSK Packet Signals--AFC and Carrier Recovery Circuits--
Takeshi ONIZAWA Kiyoshi KOBAYASHI Masahiro MORIKURA Toshiaki TANAKA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1999/03/25
Vol. E82-B  No. 3  pp. 542-550
Type of Manuscript:  PAPER
Category: Mobile Communication
Keyword: 
packetAFCpreamblelessphase signalssequentialcarrier recoverysample hold
 Summary | Full Text:PDF(424.5KB)

A Fast Synchronization Scheme of OFDM Signals for High-Rate Wireless LAN
Takeshi ONIZAWA Masato MIZOGUCHI Masahiro MORIKURA Toshiaki TANAKA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1999/02/25
Vol. E82-B  No. 2  pp. 455-463
Type of Manuscript:  PAPER
Category: Mobile Communication
Keyword: 
wireless LANpacket transmissionOFDMmulti-carrier modulationAFCsymbol timing detectioncarrier frequency error
 Summary | Full Text:PDF(442.1KB)

Nomadic Computing Environment Employing Wired and Wireless Networks
Toshiaki TANAKA Masahiro MORIKURA Hitoshi TAKANASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/08/25
Vol. E81-B  No. 8  pp. 1565-1573
Type of Manuscript:  INVITED PAPER (Special Issue on Multimedia Communications in Heterogeneous Network Environments)
Category: 
Keyword: 
LANwireless LANmobile computinghand offsecurityMAC
 Summary | Full Text:PDF(868KB)

A Multi-Slot Access Protocol for TDMA-TDD Packet Radio ChannelApplication to PHS Packet Data System
Hidetoshi KAYAMA Takeo ICHIKAWA Hitoshi TAKANASHI Masahiro MORIKURA Toshiaki TANAKA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/05/25
Vol. E81-B  No. 5  pp. 1115-1125
Type of Manuscript:  PAPER
Category: Mobile Communication
Keyword: 
packet radioaccess protocolTDMA-TDDmulti-slot channel
 Summary | Full Text:PDF(1MB)

Performance Evaluation of a Packet Channel Sharing Protocol for Dynamic Channel Assignment Systems
Takeo ICHIKAWA Hidetoshi KAYAMA Masahiro MORIKURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/03/25
Vol. E81-B  No. 3  pp. 616-624
Type of Manuscript:  PAPER
Category: Radio Communication
Keyword: 
packet radio communicationsDCAPHSrandom access
 Summary | Full Text:PDF(758.9KB)

Semi-Autonomous Synchronization among Base Stations for TDMA-TDD Communication Systems
Hiroshi KAZAMA Shigeki NITTA Masahiro MORIKURA Shuzo KATO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1994/07/25
Vol. E77-B  No. 7  pp. 862-867
Type of Manuscript:  Special Section PAPER (Special Issue on Personal, Indoor and Mobile Radio Communications)
Category: 
Keyword: 
synchronization schemeTDMA-TDD communication systembase stationpersonal communication
 Summary | Full Text:PDF(501.8KB)

A Suitable Combination of Modulation and FEC Schemes for Satellite Digital Video Communication Networks
Shuji KUBOTA Masahiro MORIKURA Kiyoshi ENOMOTO Shuzo KATO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1993/05/25
Vol. E76-B  No. 5  pp. 497-507
Type of Manuscript:  Special Section PAPER (Special Issue on Satellite Communications Networking and Applications)
Category: 
Keyword: 
satellite communicationmodulationFECdigital video communication
 Summary | Full Text:PDF(880.2KB)

A Frequency Utilization Ffficiency Improvement on Superposed SSMA-QPSK Signal Transmission over High Speed QPSK Signals in Nonlinear Channels
Takatoshi SUGIYAMA Hiroshi KAZAMA Masahiro MORIKURA Shuji KUBOTA Shuzo KATO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1993/05/25
Vol. E76-B  No. 5  pp. 480-487
Type of Manuscript:  Special Section PAPER (Special Issue on Satellite Communications Networking and Applications)
Category: 
Keyword: 
SSMA-QPSK signalshigh speed QPSK signalssuperposed transmissionFECinterference cancellationnon-linear channel
 Summary | Full Text:PDF(687.3KB)

DSD (Double Soft Decision) Concatenated Forward Error Correction Scheme
Shunji HONDA Shuji KUBOTA Masahiro MORIKURA Shuzo KATO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1992/08/25
Vol. E75-B  No. 8  pp. 747-754
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: 
concatenated codessoft decisionViterbi decoding
 Summary | Full Text:PDF(606.5KB)

High Resolution and Fast Frequency Settling PLL Synthesizer
Kazuhiko SEKI Masahiro MORIKURA Shuzo KATO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1992/08/25
Vol. E75-B  No. 8  pp. 739-746
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: 
PLLsynthesizerDDSTDMAfrequency hopping
 Summary | Full Text:PDF(597.5KB)

Pragmatic Performance of TC8PSK in Rician Fading Channels
Tomohiro DOHI Tsutomu SAKAI Masahiro MORIKURA Shuzo KATO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1991/08/25
Vol. E74-B  No. 8  pp. 2230-2236
Type of Manuscript:  Special Section PAPER (Special Issue on Modulation and Coding for Mobile Satellite Communication System)
Category: 
Keyword: 
 Summary | Full Text:PDF(573.9KB)

Common Transmission of High Speed QPSK Signals and SSMA Signals over Non-linearly Amplified Transponder
Kiyoshi ENOMOTO Masahiro MORIKURA Shuji KUBUTA Shuzo KATO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1991/05/25
Vol. E74-B  No. 5  pp. 1155-1163
Type of Manuscript:  Special Section PAPER (Special Issue on Spread Spectrum Techniques and Its Applications)
Category: 
Keyword: 
 Summary | Full Text:PDF(577KB)