Kohji ITOH


Interference Detection Based on AIC Using EM Algorithm for UWB MB-OFDM Systems
Masahiro FUJII Atsushi MINAKAWA Yu WATANABE Makoto ITAMI Kohji ITOH 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/11/01
Vol. E91-A  No. 11  pp. 3130-3139
Type of Manuscript:  Special Section PAPER (Special Section on Wideband Systems)
Category: 
Keyword: 
UWB MB-OFDMinterference detectionAkaike Information Criterion and EM algorithm
 Summary | Full Text:PDF

Signal Design to Optimize Trade-Off between Bandwidth Efficiency and Power Efficiency in Uplink CDMA Systems
Atsurou HANDA Masahiro FUJII Makoto ITAMI Kohji ITOH 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/11/01
Vol. E89-A  No. 11  pp. 3032-3041
Type of Manuscript:  Special Section PAPER (Special Section on Wide Band Systems)
Category: 
Keyword: 
DS/CDMAMC/CDMAfrequency-domain processingbandwidth efficiencypower efficiencysignal design
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Joint Estimation of Frequency Offset and Channel Frequency Response Using EM Algorithm for OFDM Systems
Masahiro FUJII Makoto ITAMI Kohji ITOH 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/11/01
Vol. E89-A  No. 11  pp. 3123-3130
Type of Manuscript:  Special Section PAPER (Special Section on Wide Band Systems)
Category: 
Keyword: 
OFDM systemsfrequency offsetchannel frequency responsesEM algorithmNewton algorithm
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Tree Search Detection Based on LLR Using M Algorithm in MC-CDMA Systems
Yoshihito MORISHIGE Masahiro FUJII Makoto ITAMI Kohji ITOH 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/10/01
Vol. E89-A  No. 10  pp. 2622-2629
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Spread Spectrum
Keyword: 
MC-CDMAmaximum likelihood detectortree structureM algorithmLLRQRD-M algorithm
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A Study on Controlling Transmission Power of Carriers of OFDM Signal Combined with Data Symbol Spreading in Frequency Domain
Tomohiro NISHIYAMA Tatsufumi SHIRAI Makoto ITAMI Kohji ITOH Hamid AGHVAMI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/08/01
Vol. E86-A  No. 8  pp. 2117-2124
Type of Manuscript:  PAPER
Category: Communication Theory and Signals
Keyword: 
OFDMpower-line communicationtransmission power controldata spreading
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The Optimum Channel Estimation for Coherent Receivers in Multicarrier CDMA System with Antenna Array
Masahiro FUJII Rie SHIMIZU Makoto ITAMI Kohji ITOH 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/01/01
Vol. E86-B  No. 1  pp. 365-374
Type of Manuscript:  Special Section PAPER (Special Issue on Multiple Access and Signal Transmission Techniques for Future Mobile Communications)
Category: 
Keyword: 
uplink-MC/CDMAfrequency and spatial diversity effectschannel estimation and MAP criterion
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Performance of Frequency-Division CDMA Systems for Channels with Frequency Selective Fading
Masahiro FUJII Makoto ITAMI Kohji ITOH 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/11/25
Vol. E83-A  No. 11  pp. 2093-2101
Type of Manuscript:  Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
frequency-division CDMAfrequency selective fading channelcoherence bandwidthfrequency diversity
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A Workbench System for Novice Prolog Programmers: Visually-Structured Interactive Tracer and Prototype-Based Programming Support
Kohji ITOH Makoto ITAMI Kazuo FUKAWA Jun MURAMATSU Yoshitaka ENOMOTO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1994/01/25
Vol. E77-D  No. 1  pp. 57-67
Type of Manuscript:  Special Section PAPER (Special Issue on Intelligent CAI and Hypermedia)
Category: 
Keyword: 
novice Prolog programmersinteractive tracersprogramming supportprototype structuresinstance-based guidance
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Asynchronous Multiple Access Performances of Frequency-Time-Hopped Multi-Level Frequency-Time
Kohji ITOH Makoto ITAMI Kozo KOMIYA Yasuo SOWA Keiji YAMADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1993/08/25
Vol. E76-B  No. 8  pp. 913-920
Type of Manuscript:  Special Section PAPER (Special Issue on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
spread spectrum multiple access communicationfrequency-time hoppingasynchronous operationfrequency-time shift keying
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Source Coding Theory for Multiterminal Communication Systems with a Remote Source
Hirosuke YAMAMOTO Kohji ITOH 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1980/10/25
Vol. E63-E  No. 10  pp. 700-706
Type of Manuscript:  PAPER
Category: Communication Theory
Keyword: 
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