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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SRW, SeMI (Joint) |
2023-11-21 17:00 |
Tokyo | Koganei Campus, Tokyo University of Agriculture and Technology (Primary: On-site, Secondary: Online) |
[Poster Presentation]
A Study on Effectiveness of MIIMO in Polarized OAM Multiplexing Mikito Ito, Shuhei Saito, Hirofumi Suganuma (Waseda Univ.), Kayo Ogawa (Japan Women's Univ.), Fumiaki Maehara (Waseda Univ.)  SRW2023-31 |
In this report, we investigate the effectiveness of multiple-input multiple-output (MIMO) on the polarized OAM multiplex... [more] | SRW2023-31 pp.22-23 |
| 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 |
| SRW, SeMI, CNR (Joint) |
2020-11-26 17:20 |
Online | Online | [Poster Presentation]
A Study on Effectiveness of Polarization Multiplexing on UCA-based OAM Yuki Ito, Shuhei Saito, Hirofumi Suganuma (Waseda Univ.), Kayo Ogawa (Japan Women's Univ.), Fumiaki Maehara (Waseda Univ.) SRW2020-32 |
This report investigates the system capacity of polarized orbital angular momentum (OAM) multiplexing by comparing it wi... [more] | SRW2020-32 pp.38-39 |
| AP, RCS (Joint) |
2019-11-20 14:40 |
Saga | Saga Univ. | A Study on Inter-mode Interference Suppression Employing Even-numbered Modes for UCA-based OAM Multiplexing Hirofumi Suganuma, Shuhei Saito (Waseda Univ.), Kayo Ogawa (Japan Women's Univ.), Fumiaki Maehara (Waseda Univ.) RCS2019-213 |
Orbital angular momentum (OAM) multiplexing is a promising technique for achieving larger capacity of fixed wireless com... [more] | RCS2019-213 pp.61-66 |
| SRW, SeMI, CNR (Joint) |
2019-11-06 13:25 |
Tokyo | Kozo Keisaku Engineering Inc. | [Poster Presentation]
Impact of Carrier Frequency on System Capacity in OAM Multiplexing with Multiple UCAs Shuhei Saito, Yuki Ito, Hirofumi Suganuma (Waseda Univ.), Kayo Ogawa (Japan Women's Univ.), Fumiaki Maehara (Waseda Univ.) SRW2019-38 SeMI2019-82 CNR2019-32 |
In uniform circular array-based orbital angular momentum (UCA-based OAM) multiplexing, it is important to consider the e... [more] | SRW2019-38 SeMI2019-82 CNR2019-32 pp.61-62(SRW), pp.81-82(SeMI), pp.59-60(CNR) |
| 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 |
| SeMI, RCS, NS, SR, RCC (Joint) |
2019-07-10 13:25 |
Osaka | I-Site Nanba（Osaka） | Impact of Misalignment of Beam Axis on System Capacity in OAM Multiplexing with Multiple UCAs Yuki Ito, Shuhei Saito, Hirofumi Suganuma (Waseda Univ.), Kayo Ogawa (Japan Women's Univ.), Fumiaki Maehara (Waseda Univ.) RCS2019-101 |
In uniform circular array-based orbital angular momentum (UCA-based OAM), the adoption of multiple UCAs is effective bec... [more] | RCS2019-101 pp.1-6 |
| RCS | 2019-06-19 11:40 |
Okinawa | Miyakojima Hirara Port Terminal Building | Theoretical System Capacity of MU-MIMO THP Considering Proportional Fairness Scheduling Karen Taguchi, Ryota Mizutani, Yukiko Shimbo, Hirofumi Suganuma, Fumiaki Maehara (Waseda Univ.) RCS2019-49 |
(To be available after the conference date) [more] | RCS2019-49 pp.73-78 |
| RCS | 2019-04-19 09:30 |
Hokkaido | Noboribetsu Grand Hotel | A Study on Low Complexity Fair User Scheduling Employing Spatial Orthogonality for MU-MIMO Systems Ei Nandar Maung, Yukiko Shimbo, Hirofumi Suganuma, Fumiaki Maehara (Waseda Univ.) RCS2019-13 |
This report proposes a low complexity fair user scheduling method employing semiorthogonal user selection (SUS) for mult... [more] | RCS2019-13 pp.55-59 |
| 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, NS (Joint) |
2018-12-20 11:45 |
Hiroshima | Onomichi City Hall | A study on application of successive interference cancellation to UCA-based OAM-MIMO Shuhei Saito, Hirofumi Suganuma (Waseda Univ.), Kayo Ogawa (Japan Women's Univ.), Fumiaki Maehara (Waseda Univ.) RCS2018-221 |
(To be available after the conference date) [more] | RCS2018-221 pp.31-36 |
| ASN, SRW (Joint) |
2018-11-05 13:00 |
Tokyo | Tokyo Denki University, Tokyo Senju Campus | [Poster Presentation]
Impact of the Number of Uniform Circular Arrays on System Capacity in OAM Multiplexing Shuhei Saito, Hirofumi Suganuma (Waseda Univ.), Kayo Ogawa (Japan Women's Univ.), Fumiaki Maehara (Waseda Univ.) ASN2018-66 SRW2018-31 |
In UCA-based OAM, the spatial phase and intensity distribution of the transmit OAM signals change significantly dependin... [more] | ASN2018-66 SRW2018-31 pp.69-70(ASN), pp.45-46(SRW) |
| 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, SR, SRW (Joint) |
2018-03-01 09:20 |
Kanagawa | YRP | Transmit Power and Beamforming Control Using Neural Networks for MIMO Small Cell Networks with Interference Cancellation Koi Tou, Yuyuan Chang, Kazuhiko Fukawa (TokyoTech) RCS2017-347 |
Dense deployment of small cell base stations (BSs) causes the coverage areas of neighboring cells to overlap, which incr... [more] | RCS2017-347 pp.173-178 |
| SIP, IT, RCS | 2018-01-23 15:10 |
Kagawa | Sunport Hall Takamatsu | A study on radio resource allocation scheme employing simultaneously NOMA and OMA Hiroaki Suenaga, Hirofumi Suganuma, Nobuhiro Hiruma, Takuro Amatsutsumi, Fumiaki Maehara (Waseda Univ.) IT2017-99 SIP2017-107 RCS2017-313 |
(To be available after the conference date) [more] | IT2017-99 SIP2017-107 RCS2017-313 pp.257-260 |
| CQ (2nd) |
2017-10-16 16:15 |
Fukuoka | Nishijin Plaza, Kyushu Univ. | [Poster Presentation]
Theoretical Analysis of System Capacity in MU-MIMO THP with Ordering
-- Effect of Modulo Loss on System Capacity -- Hirofumi Suganuma, Nobuhiro Hiruma, Fumiaki Maehara (Waseda Univ.) |
MU-MIMO Tomlinson-Harashima precoding (THP) realizes non-linear precoding by the simple modulo operation, which makes it... [more] | |
| WBS | 2017-10-13 11:30 |
Wakayama | Rivage Spa Hikigawa (Nanki Shirahama) | Influence of User Scheduling on the Performance of MU-MIMO THP from the Viewpoint of System Capacity and Fairness Yukiko Shimbo, Nobuhiro Hiruma, Fumiaki Maehara (Waseda Univ.) WBS2017-34 |
Multi-user MIMO (MU-MIMO) employing Tomlinson Harashima precoding (THP) achieves large system capacity in comparison wit... [more] | WBS2017-34 pp.63-66 |
| 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 | 2013-04-18 16:15 |
Okinawa | Ishigaki City Hall | [Invited Talk]
Super high bit-rate mobile communication system using super high frequency bands
-- System analysis by field experiments in Ishigaki city -- Yasuhiro Oda, Jiyun Shen (NTT DOCOMO) RCS2013-12 |
Mobile data usage has increased exponentially due to the explosive growth of smart phones, tablets, and other media devi... [more] | RCS2013-12 p.67 |
| RCS | 2012-04-20 13:25 |
Kyoto | Kyoto Univ. | Throughput Improving in Cellular Mobile Communications with Various Cell Sizes
-- Vertical Plane Beam Control with Pre-coding and Cooperative MIMO Transmission -- Kenji Hoshino, Teruya Fujii (Softbank Mobile Corp.) RCS2012-16 |
Cellular mobile communication systems reuse the same frequency channel in geographically distant areas to improve the sp... [more] | RCS2012-16 pp.91-96 |
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