Osamu MUTA


Performance Analysis on Uplink Pilot Allocation in TDD Massive MIMO Heterogeneous Networks
Wanming HAO Osamu MUTA Haris GACANIN Hiroshi FURUKAWA 
Publication:   
Publication Date: 2017/11/01
Vol. E100-A  No. 11  pp. 2314-2322
Type of Manuscript:  Special Section PAPER (Special Section on Smart Multimedia & Communication Systems)
Category: Communication Systems
Keyword: 
interference coordinationpilot allocationheterogeneous networkmassive MIMO
 Summary | Full Text:PDF(1.5MB)

Energy-Efficient Interference Mitigation with Hierarchical Partial Coordination for MIMO Heterogeneous Networks
Thanh Tung VU Ha Hoang KHA Osamu MUTA Mohamed RIHAN 
Publication:   
Publication Date: 2017/06/01
Vol. E100-B  No. 6  pp. 1023-1030
Type of Manuscript:  PAPER
Category: Terrestrial Wireless Communication/Broadcasting Technologies
Keyword: 
heterogeneous networksmultiple-input-multiple-output (MIMO)interference channelsinterference alignmentenergy efficiency
 Summary | Full Text:PDF(1.5MB)

Energy-Efficient Resource Allocation in Sensing-Based Spectrum Sharing for Cooperative Cognitive Radio Networks
Wanming HAO Shouyi YANG Osamu MUTA Haris GACANIN Hiroshi FURUKAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/08/01
Vol. E99-B  No. 8  pp. 1763-1771
Type of Manuscript:  Special Section PAPER (Special Section on Advanced Information and Communication Technologies and Services in Conjunction with Main Topics of APCC2015)
Category: Wireless Communication Technologies
Keyword: 
energy efficientcognitive radiospectrum sharingdual decompositionsensing time
 Summary | Full Text:PDF(1.2MB)

Interference Mitigation Framework Based on Interference Alignment for Femtocell-Macrocell Two Tier Cellular Systems
Mohamed RIHAN Maha ELSABROUTY Osamu MUTA Hiroshi FURUKAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/03/01
Vol. E98-B  No. 3  pp. 467-476
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
Interference Alignment (IA)femtocellmacrocellCognitive Radio (CR)Restricted Water-Filling (RWF) algorithmIterative Reweighted Least Squares (IRLS)Multi-Input Multi-Output (MIMO)
 Summary | Full Text:PDF(2.4MB)

Underlay MIMO Cognitive Transceivers Designs with Channel Uncertainty
Bassant ABDELHAMID Maha ELSABROUTY Masoud ALGHONIEMY Salwa ELRAMLY Osamu MUTA Hiroshi FURUKAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/11/01
Vol. E97-B  No. 11  pp. 2543-2551
Type of Manuscript:  PAPER
Category: Terrestrial Wireless Communication/Broadcasting Technologies
Keyword: 
underlay cognitive radiomultiple secondary users (MSU)channel uncertaintymultiple input multiple output (MIMO)interference alignment (IA)
 Summary | Full Text:PDF(2MB)

Low Complexity Channel Assignment for IEEE 802.11b/g Multi-Cell WLANs
Mohamed ELWEKEIL Masoud ALGHONIEMY Osamu MUTA Hiroshi FURUKAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2014/08/01
Vol. E97-A  No. 8  pp. 1761-1769
Type of Manuscript:  PAPER
Category: Communication Theory and Signals
Keyword: 
WLANIEEE 802.11channel assignmentinteger programmingLagrangian relaxation
 Summary | Full Text:PDF(1.8MB)

Adaptive Channel Estimation for MIMO-Constant Envelope Modulation
Ehab MAHMOUD MOHAMED Osamu MUTA Hiroshi FURUKAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/07/01
Vol. E95-B  No. 7  pp. 2393-2404
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
(Multi-Input-Multi-Output) MIMOconstant envelope modulationchannel estimationblock based adaptive filterlow resolution ADC
 Summary | Full Text:PDF(2.2MB)

Effects of PAPR Reduction Based on Peak Limiter in IEEE802.16e Based OFDM System
Yu TAKASE Osamu MUTA Yoshihiko AKAIWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/05/01
Vol. E94-B  No. 5  pp. 1467-1471
Type of Manuscript:  LETTER
Category: Wireless Communication Technologies
Keyword: 
OFDMPAPRclipping & filtering (C&F)peak windowing (PW)
 Summary | Full Text:PDF(583.3KB)

Construction and Blind Estimation of Phase Sequences for Subcarrier-Phase Control Based PAPR Reduction in LDPC Coded OFDM Systems
Osamu MUTA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/11/01
Vol. E93-A  No. 11  pp. 2130-2140
Type of Manuscript:  Special Section PAPER (Special Section on Smart Multimedia & Communication Systems)
Category: 
Keyword: 
OFDMpeak-to-average power ratio (PAPR)PAPR reductionLDPC code
 Summary | Full Text:PDF(2.1MB)

A High-Speed Power-Line Communication System with Band-Limited OQAM Based Multi-Carrier Transmission
Naohiro KAWABATA Hisao KOGA Osamu MUTA Yoshihiko AKAIWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/02/01
Vol. E92-B  No. 2  pp. 473-482
Type of Manuscript:  PAPER
Category: Transmission Systems and Transmission Equipment for Communications
Keyword: 
power-line communicationmulti-carrier transmissionOQAMpilot-symbol designfrequency offset estimationsymbol-timing detectionchannel estimation
 Summary | Full Text:PDF(734KB)

Joint Use of Adaptive Equalization and Cyclic Noise Cancellation for Band-Limited OQAM Based Multi-Carrier Transmission in Power-Line Communication Systems
Hiromitsu KUNISHIMA Hisao KOGA Osamu MUTA Yoshihiko AKAIWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/11/01
Vol. E91-A  No. 11  pp. 3112-3120
Type of Manuscript:  Special Section PAPER (Special Section on Wideband Systems)
Category: 
Keyword: 
multi-carrier transmissionOQAMpower-line communicationcyclic noise cancellationadaptive equalization
 Summary | Full Text:PDF(611.5KB)

A Nonlinear Distortion Compensation Method with Adaptive Predistorter and Negative Feed-Back for a Narrow-Band Signal
Yitao ZHANG Osamu MUTA Yoshihiko AKAIWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/07/01
Vol. E91-B  No. 7  pp. 2331-2337
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
nonlinear distortion compensationnegative feedbackadaptive predistorterconvergence speedstability
 Summary | Full Text:PDF(772KB)

A Peak Power Reduction Method with Adaptive Inversion of Clustered Parity-Carriers in BCH-Coded OFDM Systems
Osamu MUTA Yoshihiko AKAIWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/05/01
Vol. E91-B  No. 5  pp. 1454-1462
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
OFDMPAPRpeak power reductionBCH-codesyndromeerasure decoding
 Summary | Full Text:PDF(651.6KB)

Adaptive Guard Symbol Insertion Method for One-Cell Reuse TDMA Cellular Systems
Seiichiro HORIKAWA Osamu MUTA Yoshihiko AKAIWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/12/01
Vol. E90-B  No. 12  pp. 3724-3728
Type of Manuscript:  LETTER
Category: Wireless Communication Technologies
Keyword: 
TDMAone-cell reuseadaptive guard symbol insertionco-channel interference suppression
 Summary | Full Text:PDF(209.6KB)