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All Technical Committee Conferences (Searched in: All Years)
| 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, SAT (Joint) |
2023-08-31 09:50 |
Nagano | Naganoken Nokyo Building, and online (Primary: On-site, Secondary: Online) |
A study on bit error rate for Zero-forcing THP MIMO communication systems using QR decomposition with greedy permutation Shigenori Kinjo (JCGA), Shuichi Ohno (Osaka Metropolitan Univ.) RCS2023-106 |
In this report, how to calculate the bit error rate of zero-forcing Tomlinson-Harashima precodded (ZF-THP) MIMO communic... [more] | RCS2023-106 pp.26-30 |
| 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 |
| RCS, SIP, IT | 2022-01-20 14:30 |
Online | Online | A zero-forcing linear precoding scheme using QR decomposition with greedy permutation for MIMO communications Shigenori Kinjo (JCGA), Shuichi Ohno (Osaka City Univ.) IT2021-57 SIP2021-65 RCS2021-225 |
In this report, we study a zero-forcing linear precoding (ZFLP) scheme using QR decomposition with greedy permutation, w... [more] | IT2021-57 SIP2021-65 RCS2021-225 pp.161-166 |
| 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 |
| AP | 2019-10-17 12:30 |
Osaka | Osaka Univ. | [Poster Presentation]
FDD Downlink Beamforming Method for Avoiding Adjacent Channel Interference Masaki Igarashi, Kentaro Nishimori (Niigata Univ.) AP2019-80 |
Microwave power transmission systems with high power cause adjacent channel interference. Hence a function is required t... [more] | AP2019-80 pp.5-9 |
| 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 | 2017-06-22 11:20 |
Okinawa | Ishigaki Shoukou Kaikan | Fundamental Considerations on Computational Complexity Reduction Using Receive Matrix Interpolation in a MIMO-OFDM System Kensei Saito, Yasutaka Ogawa, Toshihiko Nishimura, Takeo Ohgane (Hokkaido Univ.) RCS2017-70 |
In multiple-input multiple-output (MIMO) systems, separation of multiple streams is often performed by multiplying a wei... [more] | RCS2017-70 pp.121-126 |
| SR, SRW (Joint) |
2016-05-17 14:00 |
Overseas | Hotel Lasaretti, Oulu, Finland | [Poster Presentation]
A Study on Propagation Model and Mechanism on Null-Space Dimension Expansion for Multi-User MIMO Tolerant to Channel Fluctuation Daichi Tokuyasu, Makoto Taromaru, Ryosuke Ono, Mai Ohta (Fukuoka Univ.) SR2016-21 SRW2016-18 |
Some papers reported that a zero-forcing (ZF) adaptive array antenna or multi-user MIMO system can be robust against cha... [more] | SR2016-21 SRW2016-18 pp.73-74(SR), pp.61-62(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) |
| SIP, RCS | 2015-01-22 14:35 |
Okayama | Okayama Univ. | A Novel Dynamic Clustering Scheme for Multiuser MIMO-OFDM transmission in Distributed Antenna Systems Ou Zhao, Hidekazu Murata (Kyoto Univ.) SIP2014-92 RCS2014-280 |
To establish a wide service area of a multiuser multiple-input multiple-output (MU-MIMO) distributed antenna system (DAS... [more] | SIP2014-92 RCS2014-280 pp.67-72 |
| AP | 2014-04-17 10:40 |
Kyoto | Ritsumeikan University (Suzaku Campus) | Sum Rate Analysis of ZF Receivers in MU-MIMO Systems under the Effects of Spatial Correlation Ou Zhao, Hidekazu Murata (Kyoto Univ.) AP2014-2 |
The performance of multi-user (MU) multiple-input multiple-output (MU-MIMO) systems is not only affected by multi-path f... [more] | AP2014-2 pp.7-12 |
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