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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SRW | 2024-01-15 13:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
Multi-Cell Expansion Technology for Dynamic Full-Duplex Cellular System on 5G Uplink by Distributing Base Station Reception Function Yusei Yasuba, Keita Fukushima, Keiichi Mizutani, Hiroshi Harada (Kyoto Univ.)  SRW2023-43 |
To accommodate increasing data traffic, in-band full-duplex has attracted much attention because of the improved spectra... [more] | SRW2023-43 pp.24-29 |
| RCS, SR, SRW (Joint) |
2021-03-04 10:30 |
Online | Online | 2-step RCN-GCA for Interference Coordination for Multicell Distributed MU-MIMO in Ultra-dense RAN Chang GE, Sijie Xia, Qiang Chen, Fumiyuki Adachi (Tohoku Univ.) RCS2020-229 |
In our recently study, we proposed a restricted color number-based graph coloring algorithm (RCN-GCA) for interference c... [more] | RCS2020-229 pp.135-140 |
| AP | 2021-02-19 14:25 |
Online | Online | [Invited Lecture]
A study on multi-beam conformal array antenna for UAV platforms (1) Yoshichika Ohta (Softbank) AP2020-128 |
HAPS (High-Altitude Platform Stations), which provide mobile communication services by installing base station equipment... [more] | AP2020-128 pp.68-72 |
| RCS, SR, SRW (Joint) |
2020-03-05 11:15 |
Tokyo | Tokyo Institute of Technology (Cancelled but technical report was issued) |
An Application of Deep Learning to CoMP Transmission Employing Vehicle Position Information in Taxi Radio Systems Kazuki Kojima, Yukiko Shimbo, Hirofumi Suganuma, Fumiaki Maehara (Waseda Univ.) RCS2019-355 |
This report proposes a coordinated multi-point (CoMP) transmission method based on deep learning for taxi radio systems ... [more] | RCS2019-355 pp.189-193 |
| RCS, CCS, SR, SRW (Joint) |
2016-03-04 13:15 |
Tokyo | Tokyo Institute of Technology | Simple Interference Cancel Method for Multi-cell Coordinated MU-MIMO Kenji Hoshino, Manabu Mikami, Teruya Fujii (Softbank) RCS2015-391 |
Multi-cell coordination is considered as one of the effective methods to improve the cell-edge throughput. We have propo... [more] | RCS2015-391 pp.339-344 |
| WBS, ITS (Joint) |
2014-12-18 12:30 |
Kumamoto | Kumamoto University | [Poster Presentation]
A Study on Coordinated Multipoint Transmission Employing Location information in Taxi Radio Systems Yoshinori Sakata, Fumiaki Maehara (Waseda Univ.) WBS2014-39 |
(To be available after the conference date) [more] | WBS2014-39 pp.1-6 |
| RCS, SAT (Joint) |
2013-08-29 15:45 |
Nagano | Shinshu Univ. | Single-carrier MIMO Transmission Using Adaptive Selection of Modulation Level and Spatial Multiplexing Order Ryo Nagaoka, Shinya Kumagai, Fumiyuki Adachi (Tohoku Univ.) RCS2013-128 |
Multiple-input multiple-output (MIMO) transmission, which uses multiple antennas at transmitter and receiver, can increa... [more] | RCS2013-128 pp.31-36 |
| WBS, SAT (Joint) |
2013-05-17 09:25 |
Tochigi | Utsunomiya Univ. | A Study on Coordinated Multipoint Transmission Employing GPS Localization on Taxi Radio System Yoshinori Sakata, Gen Osada, Shoya Takebuchi, Fumiaki Maehara (Waseda Univ.) WBS2013-8 |
Recently, a taxi radio system has serious problem of signal blind zones caused by skyscrapers especially in the metropol... [more] | WBS2013-8 pp.43-47 |
| RCS, SR, SRW (Joint) |
2013-02-27 14:30 |
Tokyo | Waseda Univ. | Single-carrier MIMO Adaptive Multiplexing Order Selecting Transmission Using Cyclic Delay Pilot Channel Estimation Ryo Nagaoka, Shinya Kumagai, Tetsuya Yamamoto, Fumiyuki Adachi (Tohoku Univ.) RCS2012-296 |
There is a trade-off between the spatial diversity and the spatial multiplexing in multiple-input multiple-output (MIMO)... [more] | RCS2012-296 pp.73-78 |
| RCS | 2012-06-21 10:20 |
Hokkaido | Hakodate City Central Library | Study on Single-carrier MIMO Spatial Multiplexing/Diversity Switching Methods in a Multi-cell Environment Ryo Nagaoka, Shinya Kumagai, Tetsuya Yamamoto, Fumiyuki Adachi (Tohoku Univ.) RCS2012-44 |
Multiple-Input Multiple-Output (MIMO) which uses multiple transmit and receive antennas can increase the maximum transmi... [more] | RCS2012-44 pp.7-12 |
| SR, RCS, SRW (Joint) |
2012-03-09 14:15 |
Kanagawa | YRP | Channel Capacity Of Uplink Single-Carrier Cooperative AF Relay Using Direct/Cooperative Relay Switching In A Multi-Cell Envirionment Masayuki Nakada, Tatsunori Obara, Tetsuya Yamamoto, Fumiyuki Adachi (Tohoku Univ.) RCS2011-368 |
In the next generation mobile communication systems, high speed data services are demanded. However, unacceptable large ... [more] | RCS2011-368 pp.311-316 |
| SR | 2012-01-26 14:30 |
Kagoshima | Kagoshima | Hybrid Single-Carrier and Multi-Carrier System: Evaluation of Throughput with Inter-Cell Interference Yuji Miyake, Kazumasa Kobayashi, Kazuhiro Komatsu (Tohoku Univ.), Hiroshi Oguma (Toyama National College of Technology), Noboru Izuka (SoftBank Telecom Corp./Tohoku Univ.), Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) SR2011-81 |
We have investigated hybrid single-carrier (SC) and multi-carrier (MC) system. MC transmission is effective for high d... [more] |
SR2011-81 pp.23-28 |
| NS, RCS (Joint) |
2011-12-16 10:00 |
Yamaguchi | Yamaguchi University | Spectrum Efficiency of MIMO Spatial Multiplexing in a Multi-cell Distributed Antenna Network Shinya Kumagai, Ryusuke Matsukawa, Tatsunori Obara, Tetsuya Yamamoto, Fumiyuki Adachi (Tohoku Univ.) RCS2011-251 |
Multiple-input multiple-output (MIMO) spatial multiplexing can increase the transmission rate without bandwidth expansio... [more] | RCS2011-251 pp.111-116 |
| VLD | 2010-03-10 15:25 |
Okinawa | Generation Mechanism of SEU and MCU Caused by Parasitic Lateral Bipolar Transitstors Chikara Hamanaka (Kyoto Institute of Tech.), Jun Furuta, Hiroaki Makino (Kyoto Univ.), Kazutoshi Kobayashi (Kyoto Institute of Tech.), Hidetoshi Onodera (Kyoto Univ./JST, CREST) VLD2009-103 |
Tolerance for soft-error decreases as integration advances. SEU(Single Event Upset), flipping one bit and MCU(Multi-Cel... [more] |
VLD2009-103 pp.25-30 |
|
| RCS, AN, MoNA, SR (Joint) |
2010-03-05 11:30 |
Kanagawa | YRP | Transmit Power Control Algorithm Using Cooperative Game Theory in Uplink Multi-Cell MIMO Systems Kaori Anan (Keio Univ.), Yoshinori Tanaka (Fujitsu Labs. Ltd.), Iwao Sasase (Keio Univ.) RCS2009-304 |
In this paper, we propose a transmit power control using cooperative game theory in which each BS controls its user's tr... [more] | RCS2009-304 pp.269-274 |
| RCS, SIP | 2010-01-21 16:20 |
Fukuoka | Kyushu Univ. | QoS-guraranteed Multi-cell Coordinated Power Control in Cell Structure consisting of Various Cell Sizes Kenji Hoshino, Teruya Fujii (Softbank Mobile Corp.) SIP2009-99 RCS2009-233 |
In order to further increase spectral efficiency in mobile communication systems, we proposed the idea of multi-cell coo... [more] | SIP2009-99 RCS2009-233 pp.151-156 |
| RCS | 2009-10-15 14:40 |
Kyoto | ATR | QoS-guaranteed Multi-cell Coordinated Power Control Considering Base Station Cooperative Transmission Kenji Hoshino, Teruya Fujii (Softbank Mobile Corp.) RCS2009-117 |
To further increase spectral efficiency in mobile communication systems, we proposed the idea of multi-cell coordinated ... [more] | RCS2009-117 pp.43-48 |
| RCS | 2009-08-03 14:00 |
Miyagi | Tohoku Univ. | Multi-cell Coordinated Power Control Satisfying Various QoS of Terminals Kenji Hoshino, Teruya Fujii (Softbank Mobile Corp.) RCS2009-87 |
To further increase spectral efficiency in mobile communication systems, we have been studying on ECO-OFDM (Enhanced COo... [more] | RCS2009-87 pp.55-60 |
| RCS, SAT (Joint) |
2008-12-18 14:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Multi-cell Coordinated Transmit Power Control Method for Cellular Radio Systems Kenji Hoshino, Atsushi Nagate, Manabu Mikami, Teruya Fujii (Softbank Mobile) RCS2008-161 |
In cellular radio systems, co-channel interference is a significant factor behind the deterioration of link performance ... [more] | RCS2008-161 pp.61-66 |
| RCS, SIP | 2008-01-25 09:25 |
Hiroshima | Hiroshima City Uni. | Resource Allocation Scheme for Multi-Cell OFDMA Considering the Interference to Cell-edge Users Takamasa Hasegawa, Rui Zhou, Iwao Sasase (Keio Univ.) SIP2007-159 RCS2007-162 |
In this paper, we propose a resource allocation scheme that limits the sub-channel allocation to other cells based on th... [more] | SIP2007-159 RCS2007-162 pp.7-12 |
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