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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCS, NS (Joint) |
2022-12-15 11:15 |
Aichi | Nagoya Institute of Technology, and Online (Primary: On-site, Secondary: Online) |
Multi-AP Coordinated Radio Resource Allocation using Requirements for Video Transmission Ryota Yamada, Hiromichi Tomeba, Osamu Nakamura, Takuhiro Sato, Yasuhiro Hamaguchi (Sharp)  RCS2022-188 |
The demand for large-capacity, latency sensitive applications such as ultra-high-definition video transmission is increa... [more] | RCS2022-188 pp.19-24 |
| RCS, NS (Joint) |
2022-12-16 11:30 |
Aichi | Nagoya Institute of Technology, and Online (Primary: On-site, Secondary: Online) |
[Invited Talk]
Sharp's Activities for Ultra-High-Definition Video Transmission Yasuhiro Hamaguchi, Hideo Namba, Takashi Onodera, Ryota Yamada, Osamu Nakamura, Hiromichi Tomeba, Takuhiro Sato (Sharp) NS2022-144 RCS2022-202 |
[more] | NS2022-144 RCS2022-202 p.82(NS), p.93(RCS) |
| RCS | 2022-10-27 15:35 |
Ehime | Ehime University, and online (Primary: On-site, Secondary: Online) |
Evaluation of Radio Frequency Band Selection using Deep Reinforcement Learning Based on Video Transmission Requirements under Interference Osamu Nakamura, Ryota Yamada, Hiromichi Tomeba, Takuhiro Sato, Yasuhiro Hamaguchi (Sharp) RCS2022-138 |
[more] | RCS2022-138 pp.41-46 |
| RCS, SR, SRW (Joint) |
2022-03-03 09:30 |
Online | Online | [Poster Presentation]
Application of Deep Reinforcement Learning to Radio Frequency Band Selection Based on Requirements for Video Transmission Osamu Nakamura, Takuhiro Sato, Ryota Yamada, Hiromichi Tomeba, Yasuhiro Hamaguchi (Sharp) RCS2021-275 SR2021-102 SRW2021-75 |
[more] | RCS2021-275 SR2021-102 SRW2021-75 pp.127-132(RCS), pp.85-90(SR), pp.33-38(SRW) |
| SRW, SeMI, CNR (Joint) |
2021-11-26 15:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Performance of Least-squares Channel Estimation for Large-scale MU-MIMO-OFDM in the Presence of Terminal Mobility Yutaka Itoya, Shuhei Saito, Hirofumi Suganuma (Waseda Univ.), Hiromichi Tomeba, Takashi Onodera (Sharp), Fumiaki Maehara (Waseda Univ.) SRW2021-51 SeMI2021-50 CNR2021-25 |
This report investigates the effect of multiplexing-based least squares (LS) channel estimation on uplink large-scale MU... [more] | SRW2021-51 SeMI2021-50 CNR2021-25 pp.82-83(SRW), pp.69-70(SeMI), pp.59-60(CNR) |
| RCS | 2021-04-22 10:55 |
Online | Online | A Study on Deep Learning Based Resource Allocation Method to Control System Capacity and Fairness for MU-MIMO THP Yukiko Shimbo, Hirofumi Suganuma (Waseda Univ.), Hiromichi Tomeba, Takashi Onodera (Sharp), Fumiaki Maehara (Waseda Univ.) RCS2021-2 |
This report proposes a deep-learning-based resource allocation method to adaptively control system capacity and fairness... [more] | RCS2021-2 pp.6-10 |
| RCS | 2019-10-25 11:00 |
Kanagawa | Yokosuka Research Park | [Invited Lecture]
Performance evaluation of 8K video transmission in 5G Ryota Yamada, Hiromichi Tomeba, Yasuhiro Hamaguchi, Osamu Nakamura (Sharp) RCS2019-195 |
Requirements for a mobile terminal have been increasing such as a ultra-high definition (8K) video transmission. The fif... [more] | RCS2019-195 pp.95-100 |
| RCS, SAT (Joint) |
2019-08-23 11:20 |
Aichi | Nagoya University | A Study on Theoretical System Capacity of Multi-user MIMO-OFDM THP in the Presence of Terminal Mobility Ryota Mizutani, Yukiko Shimbo, Hirofumi Suganuma (Waseda Univ.), Hiromichi Tomeba, Takashi Onodera (Sharp), Fumiaki Maehara (Waseda Univ.) RCS2019-165 |
This report investigates the theoretical system capacity of multi-user multiple-input multiple-output orthogonal frequen... [more] | RCS2019-165 pp.103-107 |
| RCS, SR, SRW (Joint) |
2019-03-06 11:20 |
Kanagawa | YRP | [Encouragement Talk]
Impact of Antenna Arrangement on Theoretical System Capacity of MU-MIMO in the Presence of Terminal Mobility Hirofumi Suganuma, Yukiko Shimbo (Waseda Univ.), Hiromichi Tomeba, Takashi Onodera (Sharp), Fumiaki Maehara (Waseda Univ.) RCS2018-287 |
(To be available after the conference date) [more] | RCS2018-287 pp.31-36 |
| RCS | 2018-10-19 11:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | [Invited Lecture]
SHARP's activities of ultra high definition video transmission Hiromichi Tomeba, Hideo Namba, Atsushi Shirakawa, Yasuhiro Hamaguchi (Sharp) RCS2018-170 |
[more] | RCS2018-170 pp.107-112 |
| IN, RCS, NV (Joint) |
2018-05-11 10:05 |
Kanagawa | Keio University | A Study on Theoretical System Capacity Performance of MU-MIMO THP in the Presence of Terminal Mobility Hirofumi Suganuma, Yukiko Shimbo, Nobuhiro Hiruma (Waseda Univ.), Hiromichi Tomeba, Takashi Onodera (Sharp), Fumiaki Maehara (Waseda Univ.) RCS2018-32 |
MU-MIMO Tomlinson-Harashima precoding (THP) achieves higher system capacity than MU-MIMO linear precoding (LP) thanks to... [more] | RCS2018-32 pp.59-64 |
| RCS, SAT (Joint) |
2017-08-17 11:15 |
Niigata | Niigata Univ. | Theoretical Analysis of System Capacity Performance in MU-MIMO THP Hirofumi Suganuma, Hiruma Nobuhiro (Waseda Univ.), Hiromichi Tomeba, Takashi Onodera (Sharp), Fumiaki Maehara (Waseda Univ.) RCS2017-148 |
MU-MIMO Tomlinson-Harashima precoding (THP) achieves higher system capacity comparing with MU-MIMO linear precoding (LP)... [more] | RCS2017-148 pp.31-35 |
| RCS, SAT (Joint) |
2017-08-17 14:05 |
Niigata | Niigata Univ. | [Invited Lecture]
Wireless communication technology to support ultra high definition video transmission Yasuhiro Hamaguchi, Hiromichi Tomeba, Ryota Yamada, Katsuya Kato (SHARP) SAT2017-25 RCS2017-155 |
[more] | SAT2017-25 RCS2017-155 pp.31-36(SAT), pp.73-78(RCS) |
| RCS | 2016-06-23 10:30 |
Okinawa | Univ. of the Ryukyus | A Study on Cost Reduction of Ordering Calculation Using Frequency Correlation in MU-MIMO-OFDM THP Nobuhiro Hiruma, Tomoki Maruko (Waseda Univ.), Hiromichi Tomeba, Takashi Onodera (Sharp), Fumiaki Maehara (Waseda Univ.) RCS2016-62 |
In MU-MIMO THP, the ordering process is effective to improve the transmission performance. However, the ordering process... [more] | RCS2016-62 pp.93-98 |
| NS, RCS (Joint) |
2015-12-18 15:15 |
Ehime | Matsuyama Community Center | A User Scheduling Technique Suitable for Multi-User MIMO Using Tomlinson-Harashima Precoding Tomoki Maruko, Takahiro Yamaguchi (Waseda Univ.), Tomoki Yoshimura, Hiromichi Tomeba, Takashi Onodera (Sharp), Fumiaki Maehara (Waseda Univ.) RCS2015-267 |
MU-MIMO is an attracting technique to realize high-speed and large-capacity wireless communications because independent ... [more] | RCS2015-267 pp.139-144 |
| RCS | 2015-06-25 14:30 |
Hokkaido | Hokkaido Univ. | Study on Transmission Power Control Schemes based on Carrier Sense Level in Next Generation Wireless LAN Tomoki Yoshimura, Hiromichi Tomeba, Takashi Onodera, Yasuhiro Hamaguchi (Sharp), Fumiaki Maehara (Waseda Univ.) RCS2015-74 |
For next generation wireless LAN system (IEEE802.11ax), the increase of clear channel assessment (Carrier Sense) level (... [more] | RCS2015-74 pp.167-172 |
| AP, RCS (Joint) |
2014-11-13 11:15 |
Yamagata | Yamagata University, Yonezawa Campus | A study on interference suppression techniques for downlink nonlinear MU-MIMO Hiromichi Tomeba, Tomoki Yoshimura, Takashi Onodera, Minoru Kubota (Sharp), Fumiaki Maehara (Waseda Univ.) RCS2014-212 |
Multi-user MIMO (MU-MIMO), which can achieve the MIMO transmission by regarding the multiple users as the virtual large ... [more] | RCS2014-212 pp.91-96 |
| RCS | 2013-10-17 10:30 |
Tokyo | Sophia Univ. | Transmission performance of Non-orthogonal SU-MIMO Transmission Using Overloaded Precoding Osamu Nakamura, Hiromichi Tomeba, Jungo Goto, Yasuhiro Hamaguchi (Sharp) RCS2013-145 |
Generally, in MIMO (Multiple Input Multiple Output) transmission, it is possible to transmit simultaneously as many stre... [more] | RCS2013-145 pp.19-24 |
| RCS, SR, SRW (Joint) |
2013-02-27 09:20 |
Tokyo | Waseda Univ. | On MMSE receive antenna combining for downlink THP MU-MIMO Hirotoshi Takahashi (Waseda Univ.), Hiromichi Tomeba, Takashi Onodera, Minoru Kubota (Sharp Corp.), Fumiaki Maehara, Fumio Takahata (Waseda Univ.) RCS2012-285 |
This paper proposes an MMSE receive antenna combining suitable for THP MU-MIMO, and shows that it can provide a better t... [more] | RCS2012-285 pp.7-12 |
| RCS, SR, SRW (Joint) |
2013-02-27 10:50 |
Tokyo | Waseda Univ. | A study of perturbation vector search for downlink MU-MIMO using Vector Perturbation Masato Takada (Waseda Univ.), Hiromichi Tomeba, Takashi Onodera, Minoru Kubota (Sharp), Fumiaki Maehara, Fumio Takahata (Waseda Univ.) RCS2012-289 |
This paper proposes the computational complexity reduction technique for the downlink(DL) Multi-User Multiple Input Mult... [more] | RCS2012-289 pp.31-36 |
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