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 |