Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
RCS |
2023-10-20 15:40 |
Kagawa |
Kagawa University (Saiwai-cho Campus), and online (Primary: On-site, Secondary: Online) |
Investigations on Low-Complexity User-Specific TRP Selection Method in Downlink Distributed MIMO with Channel Estimation Errors Hiroki Kato, Takanori Hara, Kenichi Higuchi (TUS) RCS2023-149 |
In this paper, we propose a computationally-efficient method for user equipment (UE)-specific transmission reception poi... [more] |
RCS2023-149 pp.96-101 |
RCS |
2023-06-15 10:50 |
Hokkaido |
Hokkaido University, and online (Primary: On-site, Secondary: Online) |
Investigations on Low-Complexity User-Specific TRP Selection Method in Downlink Distributed MIMO with Regularized ZF-Based Beamforming Hiroki Kato, Takanori Hara (Tokyo Univ. of Science), Satoshi Suyama, Satoshi Nagata (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2023-54 |
In this paper, we propose a computationally-efficient method for user equipment (UE)-specific transmission reception poi... [more] |
RCS2023-54 pp.153-160 |
NS, SR, RCS, SeMI, RCC (Joint) |
2022-07-13 14:05 |
Ishikawa |
The Kanazawa Theatre + Online (Primary: On-site, Secondary: Online) |
Experimental Evaluation of Outdoor Long-distance High-Speed Optical Wireless MIMO System Toshifumi Yamada, Chedlia Ben Naila, Hiraku Okada, Masaaki Katayama (Nagoya Univ) RCS2022-71 |
In an outdoor environment, especially for industrial purposes, a multiple-input-multiple-output optical wireless communi... [more] |
RCS2022-71 pp.14-19 |
NS, SR, RCS, SeMI, RCC (Joint) |
2022-07-13 14:30 |
Ishikawa |
The Kanazawa Theatre + Online (Primary: On-site, Secondary: Online) |
Outdoor Experiments of Long-distance High-Speed Imaging MIMO Systems Daiki Ishikawa, Chedlia Ben Naila, Hiraku Okada, Masaaki Katayama (Nagoya Univ.) RCS2022-72 |
In outdoor optical wireless communication, the Multiple-Input-Multiple-Output (MIMO) technique has been widely used to e... [more] |
RCS2022-72 pp.20-25 |
RCS |
2021-10-21 14:50 |
Online |
Online |
[Invited Talk]
Generalization of a joint transmit-receive diversity and its application to multi-user MIMO communications Fumiyuki Adachi, Ryo Takahashi (Tohoku Univ.) RCS2021-126 |
In this paper, joint transmit-receiver diversity (JTRD) is presented, which jointly perform transmit diversity and recei... [more] |
RCS2021-126 pp.49-54 |
RCS |
2021-04-22 11:20 |
Online |
Online |
A Study on Impact of User-side Fading Correlation on Multi-user Joint Transmit/Receive Diversity Fumiyuki Adachi, Ryo Takahashi (Tohoku Univ.) RCS2021-3 |
Multi-user joint transmit/receive diversity (JTRD) is able to perform multiuser multiplexing while achieving spatial div... [more] |
RCS2021-3 pp.11-16 |
SIP, IT, RCS |
2021-01-22 16:45 |
Online |
Online |
Theoretical Study of User-wise Joint Transmit-receive Diversity for Multi-user MIMO Communication Fumiyuki Adachi, Ryou Takahashi (Tohoku Univ.) IT2020-100 SIP2020-78 RCS2020-191 |
Multi-user MIMO spatial multiplexing has been recognized as an indispensable technique to significantly improve the spec... [more] |
IT2020-100 SIP2020-78 RCS2020-191 pp.206-211 |
RCS |
2020-10-22 11:25 |
Online |
Online |
Multi-user MIMO coordinated with user-wise joint transmit-receive diversity using linear antenna array at BS Fumiyuki Adachi, Ryo Takahashi (Tohoku Univ.) RCS2020-96 |
Multi-user MIMO spatial multiplexing has been recognized as an indispensable technique to significantly improve the spec... [more] |
RCS2020-96 pp.24-29 |
SR, NS, SeMI, RCC, RCS (Joint) |
2020-07-08 14:15 |
Online |
Online |
Zero-forcing based Multi-user MIMO Coordinated with User-wise Joint Transmit-receive Diversity Fumiyuki Adachi, Ryo Takahashi (Tohoku Univ.) RCS2020-65 |
Multi-user MIMO multiplexing coordinated with spatial diversity is a promising technique to improve the transmission qua... [more] |
RCS2020-65 pp.43-48 |
SR |
2018-10-31 13:25 |
Overseas |
Mandarin Hotel, Bangkok, Thailand |
[Poster Presentation]
On Beam-Pattern and Nulls toward Interferences in Multiuser MIMO Using Null-Space Extension Hironori Ban, Makoto Taromaru, Mai Ohta (Fukuoka Univ.) SR2018-86 |
Multi-user massive MIMO (MU-MIMO) is one of the key technologies for the 5th generation mobile communication system(5G).... [more] |
SR2018-86 pp.71-72 |
RCS |
2018-06-20 15:00 |
Nagasaki |
Nagasaki University |
Relationship between Interference-Wave Suppression Using Null-Space Extension in Multiuser MIMO and formed Beam-Pattern Hironori Ban, Makoto Taromaru, Mai Ohta (Fukuoka Univ.) RCS2018-43 |
Some papers reported that a zero-forcing (ZF) adaptive array antenna or
multi-user MIMO system at basestations can be r... [more] |
RCS2018-43 pp.49-54 |
AP, RCS (Joint) |
2017-11-09 09:50 |
Fukuoka |
Fukuoka University |
A Study on Array Beam Pattern of Multi-User MIMO Basestation Using Null-Space Dimension Expansion
-- About Principle of Torelance Improvement against Channel Fluctuation by Orthogonalizing the Past Interference Channels -- Makoto Taromaru, Hironori Ban, Mai Ohta, Daisuke Motegi (Fukuoka Univ.) RCS2017-226 |
Some papers reported that a zero-forcing (ZF) adaptive array antenna or multi-user MIMO system at basestations can be ro... [more] |
RCS2017-226 pp.123-127 |
SR, SRW (Joint) |
2017-10-24 14:00 |
Overseas |
Grand Hotel Palatino, Rome, Italy |
[Poster Presentation]
A Study on Beam Pattern of Array with Multi-User MIMO Using Null-Space Expansion Tolerant to Channel Fluctuation Hironori Ban, Daisuke Motegi, Makoto Taromaru, Mai Ohta (Fukuoka Univ.) SR2017-89 SRW2017-39 |
Some papers reported that a zero-forcing (ZF) adaptive array antenna or multi-user MIMO system can be robust against cha... [more] |
SR2017-89 SRW2017-39 pp.63-64(SR), pp.57-58(SRW) |
RCS, SAT (Joint) |
2015-08-18 11:40 |
Fukuoka |
Fukuoka Univ. |
On Interference Reduction Performance in Use of Remaining Array Freedom over The Number of Interference to Mitigate Degradation Due to Channel Fluctuation
-- Relation between Interference Subspace and Exporation Value from Past Channels -- Makoto Taromaru, Mai Ohta, Ryosuke Ono, Daichi Tokuyasu (Fukuoka Univ.) RCS2015-152 |
Some papers reported that a zero-forcing (ZF) adaptive array antenna or
multi-user MIMO system can be robust against ch... [more] |
RCS2015-152 pp.119-122 |
RCC, ASN, RCS, NS, SR (Joint) |
2015-07-30 10:30 |
Nagano |
JA Naganoken Bldg. |
[Poster Presentation]
TLS type direct SIMO-OFDM channel equalization on wireless communication Yu Katakai (Tokyo Univ. of Science, Suwa), Minoru Komatsu, Takahiro Natori (Tokyo Univ. of Science), Nari Tanabe (Tokyo Univ. of Science, Suwa), Toshihiro Furukawa (Tokyo Univ. of Science) RCC2015-34 NS2015-54 RCS2015-117 SR2015-35 ASN2015-44 |
This paper proposes TLS type direct blind zero forcing on the OFDM wireless communication system. The proposed algorithm... [more] |
RCC2015-34 NS2015-54 RCS2015-117 SR2015-35 ASN2015-44 pp.97-101(RCC), pp.101-105(NS), pp.99-103(RCS), pp.115-119(SR), pp.137-141(ASN) |
AP, RCS (Joint) |
2012-11-15 15:10 |
Tokyo |
Tokyo Denki University |
[Requested Talk]Multiuser MIMO and inter-cell interference management techniques for next generation wireless LANs Koichi Ishihara, Tomoki Murakami, Yusuke Asai, Takeo Ichikawa, Masato Mizoguchi (NTT) AP2012-102 RCS2012-169 |
In this paper, we introduce a real-time downlink multiuser MIMO (DL MU-MIMO) transceiver we developed for next generatio... [more] |
AP2012-102 RCS2012-169 pp.55-60(AP), pp.49-54(RCS) |
RCS, SIP |
2012-01-26 10:50 |
Fukuoka |
Fukuoka Univ. |
Direct blind equalizer based on DLS method Toshihiro Yagi, Tomomi Ogawa (TUS), Nari Tanabe (STUS), Toshihiro Furukawa (TUS) SIP2011-82 RCS2011-271 |
In this paper, we are discussing the Direct Blind Zero Forcing equalizer [1] to which DLS(DLS:Data least square) algori... [more] |
SIP2011-82 RCS2011-271 pp.25-30 |
AN |
2011-05-20 14:00 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Impact of Transmit Schemes on Spectral Efficiency of Multi-User Distributed Antenna Systems Makoto Miyagoshi, Koji Yamamoto, Hidekazu Murata, Susumu Yoshida (Kyoto Univ.), Daisuke Umehara (Kyoto Inst. of Tech.), Satoshi Denno (Okayama Univ.), Masahiro Morikura (Kyoto Univ.) AN2011-3 |
In multi-user distributed antenna systems, transmit schemes impact on spectral efficiency.
In this paper, we investiga... [more] |
AN2011-3 pp.13-16 |
AP |
2010-06-10 12:55 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Spatial Domain Resource Sharing for Overlapping Cells
-- Performance evaluation using measured channel in office environment -- Riichi Kudo, Tomoki Murakami, Takeo Ichikawa, Yasushi Takatori, Masato Mizoguchi (NTT), Masahiro Morikura (Kyoto Univ.) AP2010-33 |
As microcell wireless systems become more widespread, inter-cell interference among the access points will increase due ... [more] |
AP2010-33 pp.7-12 |
AP |
2009-09-03 11:15 |
Aomori |
Hachinohe Inst. of Tech. |
Study on Transmission Method in Short Range MIMO Communication Kentaro Nishimori, Tomohiro Seki (NTT Corp.), Naoki Honma (Iwate Univ.), Ken Hiraga, Masato Mizoguchi (NTT Corp.) AP2009-83 |
We proposed a novel communication scheme, which uses short range MIMO transmission. In the short range MIMO transmission... [more] |
AP2009-83 pp.23-28 |