Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
RCS |
2024-04-26 13:00 |
Hiroshima |
(Primary: On-site, Secondary: Online) |
Frequency sharing between ground and sky cells by applying beamforming and MU-MIMO canceller in mobile communication. Toshihisa Tsuji, Teruya Fujii, Toshihisa Tsuji (Tokyo Tech) |
[more] |
|
AP |
2024-03-15 13:25 |
Fukui |
UNIVERSITY OF FUKUI (Primary: On-site, Secondary: Online) |
Measurement accuracy of K factor in the sky cell for 3D spatial cell construction Teruya Fujii (Titech), Susumu Yoneda (SB) AP2023-216 |
The flight control of drones and the transfer of captured video data by using the mobile communication network will be e... [more] |
AP2023-216 pp.85-90 |
RCS, SR, SRW (Joint) |
2024-03-13 14:45 |
Tokyo |
The University of Tokyo (Hongo Campus), and online (Primary: On-site, Secondary: Online) |
[Invited Lecture]
A Development of a Same-Frequency Interference Canceller from 5G Base Stations to Satellite Ground Stations Takafumi Fujii (Softbank), Teruya Fujii (Tokyo Tech) SR2023-94 |
5G systems and downlink of satellite communication systems are allocated the same frequency in the C-band. Therefore, th... [more] |
SR2023-94 pp.37-42 |
NS, RCS (Joint) |
2023-12-15 14:50 |
Fukuoka |
Kyushu Institute of Technology Tobata campus, and Online (Primary: On-site, Secondary: Online) |
High-accuracy 3D spatial measurement of Nakagami-Rice variation K-Factor in Sky Cells Teruya Fujii (Titeck) RCS2023-202 |
The flight control of drones and the transfer of captured video data by using the mobile communication network will be e... [more] |
RCS2023-202 pp.129-134 |
NS, RCS (Joint) |
2023-12-15 15:15 |
Fukuoka |
Kyushu Institute of Technology Tobata campus, and Online (Primary: On-site, Secondary: Online) |
A Study on Channel Response Estimation of Neighboring Cell Terminals using SRS in 3D Spatial Cell Configuration for Mobile Communications
-- Considering Frequency Offset in SRS -- Takuya Kaneda, Takafumi Fujii (SoftBank), Teruya Fujii (Tokyo Tech) RCS2023-203 |
In 3D spatial cell configuration, multiple small cells are located inside a macro cell, and the same frequency is used f... [more] |
RCS2023-203 pp.135-140 |
NS, RCS (Joint) |
2023-12-15 15:40 |
Fukuoka |
Kyushu Institute of Technology Tobata campus, and Online (Primary: On-site, Secondary: Online) |
Optimization of Base Station Coordinated Virtualized Cell MU-MIMO Canceller according to the Accuracy of Channel Estimation Ryohei Maeda, Takafumi Fujii (SoftBank), Teruya Fujii (Tokyo Tech./SoftBank) RCS2023-204 |
In mobile communication systems such as 5G, ultra-high-speed data transmission anywhere within a cell is expected. In ce... [more] |
RCS2023-204 pp.141-146 |
AP, RCS (Joint) |
2023-11-17 15:35 |
Kumamoto |
Kumamoto Prefectural Workers' Welfare Hall (Primary: On-site, Secondary: Online) |
Construction of Coordinated Base Stati ons for Network Coordination Interferen ce Canceller Takafumi Fujii, Takuya Kaneda, Ryohei Maeda (Softbank), Teruya Fujii (Tokyo Tech) RCS2023-176 |
[more] |
RCS2023-176 pp.124-128 |
AP, RCS (Joint) |
2023-11-17 16:00 |
Kumamoto |
Kumamoto Prefectural Workers' Welfare Hall (Primary: On-site, Secondary: Online) |
The same frequency sharing by coordinating between UAV/HAPS and terrestrial cellular Teruya Fujii (Titech), Takafumi Fujii (SoftBank) RCS2023-177 |
HAPS started as a millennium initiative in 2000 AD, but was put on hold. Recently, the "HAPS cellular system" using HAPS... [more] |
RCS2023-177 pp.129-134 |
RCS, SAT (Joint) |
2023-08-31 17:25 |
Nagano |
Naganoken Nokyo Building, and online (Primary: On-site, Secondary: Online) |
A ProtPrototyptype of Equipment t that cancels Interference from 5G Base Stations to Satellite Ground Stations Takafumi Fujii (SoftBank), Teruya Fujii (Tokyo Tech) RCS2023-112 |
[more] |
RCS2023-112 pp.49-54 |
RCS, SAT (Joint) |
2023-09-01 09:25 |
Nagano |
Naganoken Nokyo Building, and online (Primary: On-site, Secondary: Online) |
A Study on Channel Response Estimation of Neighboring Cell Terminals using SRS in 3D Spatial Cell Configuration for Mobile Communications Takuya Kaneda, Takafumi Fujii (SoftBank), Teruya Fujii (Tokyo Tech) RCS2023-117 |
In a heterogeneous network (HetNet) configuration, multiple small cells are located inside a macro cell, and the same fr... [more] |
RCS2023-117 pp.79-84 |
RCS, SAT (Joint) |
2023-09-01 09:50 |
Nagano |
Naganoken Nokyo Building, and online (Primary: On-site, Secondary: Online) |
Virtual Cell MU-MIMO Canceller Coordinating Base Stations in TDD Transmission
-- Eigenmode transmission without feedback of transmit and receive weights -- Ryohei Maeda, Takafumi Fujii (SoftBank), Teruya Fujii (Tokyo Tech./SoftBank) RCS2023-118 |
In mobile communication systems such as 5G, ultra-high-speed data transmission is expected anywhere within a cell. In a ... [more] |
RCS2023-118 pp.85-89 |
RCS |
2023-04-13 10:00 |
Shimane |
Matsue New Urban Hotel, and online (Primary: On-site, Secondary: Online) |
A Study on Optimal Configuration of Massive Antenna for MU-MIMO Base Station Considering 3D Spatial Radio Arrival Angle Characteristics Kohei Mitsumoto, Ryohei Maeda, Hikari Tsuhama, Teruya Fujii (Tokyo Tech) RCS2023-1 |
In the 5th and 6th generation mobile communication systems, beamforming with massive antennas consisting of dozens to hu... [more] |
RCS2023-1 pp.1-6 |
RCS, SR, SRW (Joint) |
2023-03-03 09:50 |
Tokyo |
Tokyo Institute of Technology, and Online (Primary: On-site, Secondary: Online) |
A Study on Further Enhancement of Interference Canceller for Satellite Communication System from 5G Systems with Same Frequency Takafumi Fujii (Softbank), Teruya Fujii (Tokyo Tech) RCS2022-286 |
5G systems and downlink of satellite communication systems are allocated the same frequency in the C-band. Therefore, th... [more] |
RCS2022-286 pp.213-218 |
RCS, AP, UWT (Joint) |
2022-11-17 09:55 |
Fukuoka |
Kyushu University, and Online (Primary: On-site, Secondary: Online) |
A Study on Efficient Measurement Method of K-Factor on Sky Cell for 3D Spatial Cell Construction Teruya Fujii (Titech) AP2022-165 |
[more] |
AP2022-165 pp.103-108 |
RCS, AP, UWT (Joint) |
2022-11-17 15:50 |
Fukuoka |
Kyushu University, and Online (Primary: On-site, Secondary: Online) |
A Study on Improvement of Communication Quality by Base Station Cooperative Up-Link MU-MIMO Interference Canceller with mixed SIMO and MIMO Transmissions Ryohei Maeda (Tokyo Tech), Teruya Fujii (Tokyo Tech/Softbank Corp.) RCS2022-184 |
The mobile communication systems such as 5G, ultra-high-speed data transmission is expected anywhere in a cell. In a mob... [more] |
RCS2022-184 pp.167-172 |
RCS |
2022-10-28 11:45 |
Ehime |
Ehime University, and online (Primary: On-site, Secondary: Online) |
A Study on Frequency Sharing in 3D Cell Structure consisting of Ground and Sky Cells by using Base Station Beamforming
-- Application of Maximum Ratio Combining (MRC) Reception -- Shoichi Sudo (SB), Teruya Fujii (Tokyo Tech) RCS2022-147 |
[more] |
RCS2022-147 pp.95-100 |
NS, IN, CS, NV (Joint) |
2022-09-01 14:25 |
Iwate |
MALIOS (Iwate Prefecture) + Online Meeting (Primary: On-site, Secondary: Online) |
[Special Invited Talk]
Temporary Wireless Relay System for Mobile Phones in the Event of a Disaster
-- Role as Victim Rescue -- Teruya Fujii (Titech) NS2022-65 IN2022-30 CS2022-38 |
It is important to locate the victim as soon as possible in order to save the victim buried under snow, landslide and ru... [more] |
NS2022-65 IN2022-30 CS2022-38 pp.29-34(NS), pp.19-24(IN), pp.1-6(CS) |
SAT, RCS (Joint) |
2022-08-25 09:50 |
Hokkaido |
(Primary: On-site, Secondary: Online) |
A Basic Study on Interference Cancelnceller from 5G S ystems to Other Systems with the Same Frequency Takafumi Fujii (SoftBank), Teruya Fujii (Tokyo Tech) RCS2022-97 |
[more] |
RCS2022-97 pp.1-5 |
SAT, RCS (Joint) |
2022-08-25 10:15 |
Hokkaido |
(Primary: On-site, Secondary: Online) |
Uplink interference canceller for macro cell and small cells with cooperative control network in 3Dimension spatial HeNet construction Takuya Kaneda, Takafumi Fujii (SoftBank), Teruya Fujii (Tokyo Tech) RCS2022-98 |
HetNet (Heterogeneous Network), which sets multiple small cells using the same frequency inside each macro cell, is seen... [more] |
RCS2022-98 pp.6-11 |
AP |
2022-05-19 09:55 |
Hyogo |
Kobe Port Oasis (Primary: On-site, Secondary: Online) |
A Study on Prediction of K-Factor on Sky Cell for 3D Spatial Cell Construction in Mobile Communication Teruya Fujii, Ryunosuke Masaoka (Titech) AP2022-11 |
The flight control of drones and the transfer of captured video data by using the mobile communication network will be e... [more] |
AP2022-11 pp.1-6 |