Masahiro MORIKURA


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
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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
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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
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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
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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
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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: Special Section PAPER (Special Section on Wideband Systems)
Category: INVITED
Keyword: 
green wirelessmulti-user MIMOsoftware radiodistributed antenna systemfield experiment
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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: 1999/12/20
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
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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: 1999/12/20
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
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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: 1999/12/20
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

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: 1999/03/20
Vol. E82-B  No. 3  pp. 542-550
Type of Manuscript: PAPER
Category: Mobile Communication
Keyword: 
packetAFCpreamblelessphase signalssequentialcarrier recoverysample hold
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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: 1999/02/20
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

Nomadic Computing Environment Employing Wired and Wireless Networks
Toshiaki TANAKA  Masahiro MORIKURA  Hitoshi TAKANASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/08/20
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

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: 1998/05/20
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

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: 1998/03/20
Vol. E81-B  No. 3  pp. 616-624
Type of Manuscript: PAPER
Category: Radio Communication
Keyword: 
packet radio communicationsDCAPHSrandom access
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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: 1994/07/20
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

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: 1993/05/20
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
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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: 1993/05/20
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
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High Resolution and Fast Frequency Settling PLL Synthesizer
Kazuhiko SEKI  Masahiro MORIKURA  Shuzo KATO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1992/08/20
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
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DSD (Double Soft Decision) Concatenated Forward Error Correction Scheme
Shunji HONDA  Shuji KUBOTA  Masahiro MORIKURA  Shuzo KATO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1992/08/20
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
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Pragmatic Performance of TC8PSK in Rician Fading Channels
Tomohiro DOHI  Tsutomu SAKAI  Masahiro MORIKURA  Shuzo KATO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1991/08/20
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

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: 1991/05/20
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