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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCS, SR, SRW (Joint) |
2024-03-15 13:50 |
Tokyo | The University of Tokyo (Hongo Campus), and online (Primary: On-site, Secondary: Online) |
Time-Varying Channel Prediction Considering Angle-of-Arrival Variation for Hybrid Massive MIMO Communications Yuki Ono, Yuyuan Chang, Kazuhiko Fukawa (Tokyo Tech), Satoshi Suyama, Takahiro Asai (NTT DOCOMO)  RCS2023-287 |
For 5G massive MIMO systems, hybrid beamforming (HB), which is composed of analog beamforming (AB) and digital beamformi... [more] | RCS2023-287 pp.146-151 |
| RCS | 2022-10-28 09:25 |
Ehime | Ehime University, and online (Primary: On-site, Secondary: Online) |
Improving Semi-Blind Interference Suppression on Multi-Cell Massive MIMO Systems by Multi-Antenna Users Kazuki Maruta (Tokyo Univ. of Science) RCS2022-142 |
When the number of spatial multiplexing is increased in a Massive MIMO system to increase capacity, the number of orthog... [more] | RCS2022-142 pp.65-70 |
| RCS, SR, SRW (Joint) |
2022-03-03 09:30 |
Online | Online | Channel Estimation Scheme Robust against Pilot Contamination for Hybrid Beamforming Massive MIMO Systems Yuki Ono, Yuyuan Chang, Kazuhiko Fukawa (Tokyo Tech), Satoshi Suyama, Takahiro Asai (NTT DOCOMO) RCS2021-270 |
In 5G massive MIMO systems, hybrid beamforming (HB), which is composed of the analog beamforming (AB) and the digital be... [more] | RCS2021-270 pp.102-107 |
| RCS, SR, SRW (Joint) |
2021-03-05 09:50 |
Online | Online | Deep Learning-based Channel Estimation to Mitigate Channel Aging in Massive MIMO with Pilot Contamination Hiroki Hirose, Tomoaki Ohtsuki (Keio Univ.) RCS2020-254 |
In a massive multiple-input multiple-output (MIMO) system based on time division duplex (TDD), the channel state informa... [more] | RCS2020-254 pp.234-239 |
| SIP, IT, RCS | 2021-01-22 13:20 |
Online | Online | A Study on Self-Interference Canceller Based In-Band Full-Duplex using Software Defined Radio in Pilot Contamination Environments Kensuke Tomita, Shinsuke Ibi (Doshisha Univ.), Takumi Takahashi (Osaka Univ.), Hisato Iwai (Doshisha Univ.) IT2020-93 SIP2020-71 RCS2020-184 |
IBFD (In-Band Full-Duplex), which is a new communication technology attracting attention for future wireless communicati... [more] | IT2020-93 SIP2020-71 RCS2020-184 pp.164-169 |
| RCS, AP, UWT (Joint) |
2020-11-25 09:50 |
Online | Online | Deep Learning Aided Channel Estimation for Massive MIMO with Pilot Contamination Hiroki Hirose, Tomoaki Ohtsuki (Keio Univ.) RCS2020-110 |
In a time division duplex (TDD) based massive multiple-input multiple-output (MIMO) system, a base station (BS) needs ac... [more] | RCS2020-110 pp.1-6 |
| RISING (2nd) |
2019-11-26 14:10 |
Tokyo | Fukutake Learning Theater, Hongo Campus, Univ. Tokyo | [Invited Lecture]
Channel Estimation via Convolutional Neural Network for Massive MIMO with Pilot Contamination Hiroki Hirose, Tomoaki Ohtsuki (Keio Univ.) |
In massive multiple-input multiple-output (MIMO) based on time division duplex (TDD), a base station (BS) needs accurate... [more] | |
| RCS | 2019-10-25 14:35 |
Kanagawa | Yokosuka Research Park | [Invited Lecture]
M-QAM Adaptation by Semi-Blind Multi Modulus Algorithm and MMSE-SMI for Multicell Massive MIMO Systems Kazuki Maruta, Chang-Jun Ahn (Chiba Univ.) RCS2019-199 |
This paper expands our previously proposed semi-blind uplink interference suppression scheme on multicell multiuser mass... [more] | RCS2019-199 pp.115-120 |
| RCS | 2019-06-21 10:50 |
Okinawa | Miyakojima Hirara Port Terminal Building | Channel Estimation via Neural Network for Massive MIMO with Pilot Contamination Hiroki Hirose, Tomoaki Ohtsuki (Keio Univ.) RCS2019-89 |
In massive multiple-input multiple-output (MIMO) based on time division duplex (TDD), a base station (BS) needs accurate... [more] | RCS2019-89 pp.303-308 |
| RCS | 2019-06-21 11:00 |
Okinawa | Miyakojima Hirara Port Terminal Building | Low-Complexity MMSE Channel Estimation in Massive MU-MIMO System Yunfeng Deng, Tomoaki Ohtsuki (Keio Univ.) RCS2019-90 |
In massive multi-user MIMO (MU-MIMO) systems, the base station (BS) requires accurate channel state information (CSI).... [more] |
RCS2019-90 pp.309-314 |
| RCS | 2018-10-19 15:55 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | [Encouragement Talk]
Interference Suppression Schemes for Pilot Decontamination on Multicell Massive MIMO Systems Kazuki Maruta, Chang-Jun Ahn (Chiba Univ.) RCS2018-177 |
This paper presents interference suppression performance of our proposed semi-blind uplink interference suppression sche... [more] | RCS2018-177 pp.143-148 |
| RCS, SR, SRW (Joint) |
2018-03-01 09:00 |
Kanagawa | YRP | Improving Semi-Blind Interference Suppression Performance on Multicell Massive MIMO Uplink by Beamspace Method Kazuki Maruta, Chang-Jun Ahn (Chiba Univ.) RCS2017-346 |
This paper improves our previously proposed semi-blind uplink interference suppression scheme for multicell multiuser ma... [more] | RCS2017-346 pp.167-172 |
| RCS | 2017-10-20 13:25 |
Miyagi | Tohoku Institute of Technology | [Invited Lecture]
Semi-Blind Adaptive Interference Cancellation with Decision Feedback Channel Estimation on Multicell Massive MIMO Uplink Kazuki Maruta, Chang-Jun Ahn (Chiba Univ.) RCS2017-194 |
This paper proposes a semi-blind uplink interference suppression scheme for multicell multiuser massive MIMO systems. In... [more] | RCS2017-194 pp.143-148 |
| RCS, SAT (Joint) |
2015-08-18 15:30 |
Fukuoka | Fukuoka Univ. | Uplink Interference Suppression by MMSE-CMA Adaptive Array on Multicell Massive MIMO Systems Kazuki Maruta, Atsushi Ohta, Yushi Shirato, Satoshi Kurosaki, Takuto Arai, Tatsuhiko Iwakuni, Masataka Iizuka (NTT) RCS2015-154 |
This paper proposes uplink interference suppression scheme for multicell massive MIMO systems. Single frequency reuse is... [more] | RCS2015-154 pp.129-134 |
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