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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 14 of 14  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
WBS, IT, ISEC 2018-03-09
13:30
Tokyo Katsusika Campas, Tokyo University of Science Time-Space Jointly Path-Matched MC-CDM Wide Band Radio Modulation with TX and RX Array Antennas -- for High Performance Error-Control Coding --
Kohji Itoh, Akira Nakamura, Makoto Itami (TUS) IT2017-145 ISEC2017-133 WBS2017-126
Abstract The paper investigated the following 3 MIMO-OFDM systems adapted to the multi-path propagation model including... [more] IT2017-145 ISEC2017-133 WBS2017-126
pp.253-258
ITS, WBS, RCC 2017-12-14
13:30
Okinawa Tiruru/Okinawa Jichikaikan [Poster Presentation] A Study on Modulation Scheme with MC-CDMC for Satellite Transmission
Yuya Nobe, Akira Nakamura, Kohji Itoh, Makoto Itami (Tokyo Univ. of Science) WBS2017-49 ITS2017-26 RCC2017-65
Development of large capacity transmission systems aiming at extended definition television in satellite broadcasting ha... [more] WBS2017-49 ITS2017-26 RCC2017-65
pp.79-83
WBS 2016-10-06
11:00
Kanagawa National Defense Academy Path-Adaptive Wireless MIMO Modulation System Using Multi-Carrier Code Division Multiplexing
Kenji Ueda, Akira Nakamura, Makoto Itami, Kohji Itoh (TUS) WBS2016-32
 [more] WBS2016-32
pp.1-6
ET 2015-09-12
10:35
Okayama Okayama Univ. Practices by Using a CSCL System for Sharing Students' Group Reports
Jun-ichi Kakegawa (Hyogo Univ. of Teacher Education), Kohji Itoh (Tokyo Univ. of Scicence) ET2015-32
We have been developing a CSCL System for supporting sharing students’ group reports on a subject asked by a teacher, an... [more] ET2015-32
pp.1-6
ET 2015-05-23
13:00
Chiba Chiba Institute of Technology [Invited Talk] The Technical Committee on Educational Technology to Promote Research on Systems for Assisting Engineering Education and Learning at Universities, Institutes and Work Places
Kohji Itoh (TUS) ET2015-4
 [more] ET2015-4
pp.17-19
ITS 2007-11-19
14:40
Tokyo Tokyo University of Science Alumni Association Bldg. A Study on Space Division DS/SS Inter-Vehicle Communication using Array Antenna
Kyohei Masui, Makoto Itami, Kohji Itoh (Tokyo Univ. of Science) ITS2007-33
In inter-vehicle communication(IVC), many studies are focused on DS/SS CDMA(Direct Sequence / Spread Spectrum, Code Divi... [more] ITS2007-33
pp.13-18
WBS, SAT
(Joint)
2007-06-06
11:15
Ibaraki Ibaraki Univ. Detection of WiMAX signal using Guard Interval Correlation in MB-OFDM
Chizu Fukao, Ryusuke Kogane, Makoto Itami, Kohji Itoh (Tokyo Univ. of Science) WBS2007-11
An accurate detection scheme of the WiMAX signal using the Multiband-Orthogonal Frequency Division Multiplexing(MB-OFDM)... [more] WBS2007-11
pp.29-34
SIP, WBS 2006-07-20
14:40
Niigata Nagaoka Univ. of Tech. A Study on the Detection Scheme of the 4G Signal for DAA operation in MB-OFDM
Ryusuke Kogane (Tokyo Univ. of Science), Masahiro Fujii (Utunomiya Univ.), Makoto Itami, Kohji Itoh (Tokyo Univ. of Science)
In this paper, the detection scheme of the 4G signal using the
Multiband-Orthogonal Frequency Division Multiplexing(MB-... [more]
SIP2006-48 WBS2006-12
pp.25-30
SIP, WBS 2006-07-20
17:00
Niigata Nagaoka Univ. of Tech. A Study on Channel Estimation using EM algorithm for OFDM System in Time-Varying Multi-Path Channels -- Path Models and Estimation Accuracy --
Akihiro Waku (Tokyo Univ. of Science), Masahiro Fujii (Utsunomiya Univ.), Makoto Itami, Kohji Itoh (Tokyo Univ. of Science)
In OFDM mobile communication with high-speed vehicle, due to the effect of large multi-path doppler shifts varying indep... [more] SIP2006-53 WBS2006-17
pp.53-58
RCS, AP, WBS, SR, MW, MoNA
(Joint)
2006-03-02
09:40
Kanagawa YRP A Study on Channel Estimation using EM algorithm for Orthogonal Multi-Carrier Modulation Systems in Time-Varying Multi-Path Channels
Masahiro Fujii, Akihiro Waku, Makoto Itami, Kohji Itoh (TUS)
 [more] RCS2005-201
pp.139-144
WBS 2005-10-27
13:30
Shizuoka Shizuoka University (Hamamatsu Campus) A study on comparison between Successive Detection scheme based on ML criterion using M algorithm and QRD-M algorithm in down-link MC-CDMA System
Yoshihito Morishige, Masahiro Fujii, Makoto Itami, Kohji Itoh (TUS)
It is well known that ML detection is the optimum multiuser detection
in the sense of minimizing the probability of th... [more]
WBS2005-32
pp.1-6
WBS 2005-10-27
13:55
Shizuoka Shizuoka University (Hamamatsu Campus) A study on transmitter power efficency of band-limited DS/CDMA and MC/CDMA signals in uplink systems
Atsurou Handa, Masahiro Fujii, Makoto Itami, Kohji Itoh (TUS)
For the future wireless communication systems, we propose,
in this paper, a signal design
to optimize a trade-off betw... [more]
WBS2005-33
pp.7-12
RCS 2004-11-19
13:20
Gunma Hotel Village, Kusatsu A Study on Multi-User Transmit Power Control for Multi-Carrier Modulation Systems in Quasi-synchronous Uplink Channel
Masahiro Fujii, Makoto Itami, Kohji Itoh (TUS)
Multi-carrier modulation systems with adaptive Transmit Power Control (TPC) in a quasi-synchronous up-link channel is in... [more] RCS2004-233
pp.61-66
RCS 2004-11-19
13:40
Gunma Hotel Village, Kusatsu A Study on Adaptive Successive Detection using M algorithm based on ML criterion for down-link MC-CDMA Systems
Yoshihito Morishige, Masahiro Fujii, Makoto Itami, Kohji Itoh (TUS)
It is known that Maximum Likelihood(ML) criterion results in optimum
detector for CDMA systems in the sense of minimiz... [more]
RCS2004-234
pp.67-72
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