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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 37  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
HCS 2016-09-14
13:30
Ishikawa Shiinoki Cultural Complex [Poster Presentation] Proposal of a Support System of Conversation in the Real World Using Twitter Information
Kohei Otake (Chuo Univ.), Ryota Sasajima (Keio Univ.), Makoto Oka (Tokyo City Univ.), Akito Sakurai (Keio Univ.) HCS2016-57
In this research, we focused on one of the popular Social Networking Services, Twitter, where the number of users has ra... [more] HCS2016-57
pp.23-28
RCS, IT, SIP 2016-01-18
14:05
Osaka Kwansei Gakuin Univ. Osaka Umeda Campus Evaluation of Field Experiment for Routing Algorithm in Wi-Fi Mesh Network and Application for Agricultural Field
Kohei Otagiri, Masashi Ikeda, Takuya Akiyama (Suwa Tokyo Univ), Kaito Komatsu, Reo Tsuchida, Zyunto Hiraguri, Tadaaki Yangisawa, Ikuhiro Ishizawa (Komagane industrial High School), Kazuhiro Yamguchi, Hideaki Matsue (Suwa Tokyo Univ) IT2015-73 SIP2015-87 RCS2015-305
This paper describes field experimental results about AODV routing protocol for mesh and multi-hop networks based on WiF... [more] IT2015-73 SIP2015-87 RCS2015-305
pp.149-154
TL, NLC 2013-06-14
15:25
Ibaraki University of Tsukuba Keyword Extraction from Speech on an Electronic Note-taking Support System
Chifuyu Yonekura, Kohei Ota, Yuto Furuya, Hiromitsu Nishizaki, Yoshihiro Sekiguchi (Unv.of Yamanashi) TL2013-3 NLC2013-3
This paper describes the effectiveness of a spoken term detection (STD) technique on an electric note-taking support sys... [more] TL2013-3 NLC2013-3
pp.13-18
WIT, SP 2011-10-06
10:30
Tokyo TFT Bldg. A note taking support system with 'Kikimimi' interface.
Kohei Ota, Hiromitsu Nishizaki, Yoshihiro Sekiguchi (Univ. of Yamanashi) SP2011-52 WIT2011-34
This paper describes a note taking support system with“Kikimimi”interface. Existing methods of note
taking have some pr... [more]
SP2011-52 WIT2011-34
pp.1-6
SIP, CAS, CS 2010-03-02
11:30
Okinawa Hotel Breeze Bay Marina, Miyakojima Robust MMSE Signal detection by Projection method for MC/CDMA Communication Systems
Akihiko Furuya, Kohei Otake (Hosei Univ) CAS2009-115 SIP2009-160 CS2009-110
The MC/CDMA communication system has received much attention as one of the most promising systems for the future high-sp... [more] CAS2009-115 SIP2009-160 CS2009-110
pp.215-220
ITS, WBS
(Joint)
2009-12-08
10:50
Kumamoto Kumamoto University Composition of Blind Type Adaptive Filter Based on Signal Subspace for DS/CDMA Systems with Antenna Array
Tomokazu Takahashi (Hosei Univ.), Tsuyoshi Ichikawa (Tokyo Metro. Police Info-Com. Dep.), Kohei Otake (Hosei Univ.) WBS2009-36
In DS/CDMA communication systems, to improve the transmission efficiency, a blind or non-pilot-aided adaptive MMSE recei... [more] WBS2009-36
pp.1-6
ITS, WBS
(Joint)
2009-12-08
11:15
Kumamoto Kumamoto University DFT Domain Decision Feedback MMSE Receiver with Antenna Array for SC/FDMA Communication System
Masaki Fukumoto (Hosei Univ.), Tsuyoshi Ichikawa (Tokyo Metro. Police Info-Com. Dep.), Kohei Otake (Hosei Univ.) WBS2009-37
SC/FDMA communication systems are developing for uplink transmissions in the LTE(Long Term Evolution) of cellular system... [more] WBS2009-37
pp.7-12
CS 2009-11-05
09:00
Hokkaido Hokkaido Shikotsuko Antenna Array SC-FDMA Receiver Based on DFT Domain EMA
Shuhei Sugiyama, Kohei Otake (Hosei Univ.) CS2009-42
The SC-FDMA system has received much attention as promising future mobile uplink communication systems due to both its l... [more] CS2009-42
pp.1-6
CS 2009-11-05
09:25
Hokkaido Hokkaido Shikotsuko Recursive Adaptive Receivers with Antenna Aray for SC-FDMA Communications
Naoya Furukawa, Kohei Otake (Hosei Univ.) CS2009-43
The Single-carrier FDMA(SC-FDMA) communication has received much attention for uplink mobile communication systems since... [more] CS2009-43
pp.7-12
WBS, IT, ISEC 2009-03-09
10:15
Hokkaido Hakodate Mirai Univ. Reduced-Rank MMSE Signal Detection for MC/CDMA Communication Systems
Akihiko Furuya, Tsuyoshi Ichikawa, Kohei Otake (Hosei Univ.) IT2008-71 ISEC2008-129 WBS2008-84
The MC/CDMA communication system has received much attention as one of the most promising systems for the future high-sp... [more] IT2008-71 ISEC2008-129 WBS2008-84
pp.173-178
SIP, RCS 2009-01-23
13:20
Kumamoto Kumamoto University Analysis of Adaptive Reduced-Rank filter for DS/CDMA Communication System
Tsuyoshi Ichikawa, Hironobu Taniguchi, Kohei Otake (Hosei Univ.), Noriyoshi Kuroyanagi (Chubu Univ.) SIP2008-155 RCS2008-203
In DS/CDMA communication systems, the introduction of array antennas is extremely effective to the communication capacit... [more] SIP2008-155 RCS2008-203
pp.183-188
RCS, SAT
(Joint)
2008-12-18
10:15
Tokyo Kikai-Shinko-Kaikan Bldg. MMSE Receiver with Adapive Antenna Array Using Recursive ML Channel Estimation Method for BS/CDMA Communication System
Naoya Furukawa, Masaki Fukumoto, Tsuyoshi Ichikawa, Kohei Otake (Hosei Univ.) RCS2008-154
 [more] RCS2008-154
pp.19-24
AP, RCS
(Joint)
2008-11-20
11:10
Ishikawa Kanazawa Institute of Technology Efficient Signal Detection for Block Spreading CDMA Signals Based on the Expectation Maximization Algorithm
Shuhei Sugiyama, Kohei Otake (Hosei Univ.) RCS2008-143
Block-Spread CDMA (BS/CDMA) system has been thought as an effective communication system because of enabling MUI-free tr... [more] RCS2008-143
pp.77-82
AP, RCS
(Joint)
2008-11-21
10:10
Ishikawa Kanazawa Institute of Technology Blind Type Adaptive Reduced-Rank Filter Based on Signal Subspace for DS/CDMA Systems with Antenna Array
Tomokazu Takahashi, Tsuyoshi Ichikawa, Kohei Otake (Hosei Univ.) RCS2008-147
In DS/CDMA communication systems, to improve the transmission efficiency, a blind or non-pilot-aided adaptive MMSE recei... [more] RCS2008-147
pp.101-106
RCS 2008-08-27
09:50
Hokkaido Hokkaido University MMSE Receiver with Adaptive Antenna Array for BS/CDMA Systems
Masaki Fukumoto, Naoya Furukawa, Tsuyoshi Ichikawa, Kohei Otake (Hosei Univ) RCS2008-55
The block-spread CDMA communication system has received much attention as an MUI-free system even under the multi-path e... [more] RCS2008-55
pp.13-18
RCS, SAT
(Joint)
2007-12-20
13:40
Oita   Adaptive Reduced-Rank MMSE Filter for DS/CDMA Communication System
Hironobu Taniguchi, Tsuyoshi Ichikawa, Kohei Otake (Hosei Univ.), Noriyoshi Kuroyanagi (Chubu Univ.) RCS2007-113
 [more] RCS2007-113
pp.7-12
RCS, SAT
(Joint)
2007-12-20
14:00
Oita   Low Complexity Reduced-Rank MMSE Equalization for Antenna Array BS/CDMA Communication System
Satoshi Kawashimo, Tsuyoshi Ichikawa, Kohei Otake (Hosei Univ.), Noriyoshi Kuroyanagi (Chubu Univ.) RCS2007-114
 [more] RCS2007-114
pp.13-18
WBS 2007-10-16
09:05
Hiroshima   Blind Adaptive Reduced Dimension MMSE Receiver Based on Signal Subspace Method for DS/CDMA Communication Systems with Array Antennas
Tsuyoshi Ichikawa, Kohei Otake (Hosei Univ.), Noriyoshi Kuroyanagi (Chubu Univ.) WBS2007-40
In DS/CDMA communication systems, the introduction of array antennas is extremely effective to the communication capacit... [more] WBS2007-40
pp.7-12
IT, ISEC, WBS 2007-03-16
13:00
Gunma Gunma Univ. (Kiryu Campus) MMSE Signal Detection with Adaptive Antenna Array for BS/CDMA Communication Systems
Satoshi Kawashimo, Tsuyoshi Ichikawa, Kohei Otake (Hosei Univ), Noriyoshi Kuroyanagi (Chubu Univ)
 [more] IT2006-89 ISEC2006-144 WBS2006-86
pp.23-28
IT, ISEC, WBS 2007-03-16
13:25
Gunma Gunma Univ. (Kiryu Campus) Capacity increase in block-spreading MIMO CDMA systems due to path diversity effect
Mitsuhiro Tomita (Tokyo Univ. of Tech.), Noriyoshi Kuroyanagi (Chubu Univ.), Kohei Otake (Hosei Univ.), Naoki Suehiro (Univ. of Tsukuba)
 [more] IT2006-90 ISEC2006-145 WBS2006-87
pp.29-34
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