Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
RCS |
2022-06-15 10:20 |
Okinawa |
University of the Ryukyus, Senbaru Campus and online (Primary: On-site, Secondary: Online) |
A Study on Uplink Postcoding in User-Centric and User-Cluster-Centric CF-mMIMO Ryo Takahashi, Hidenori Matsuo, Sijie Xia, Qiang Chen, Fumiyuki Adachi (Tohoku Univ.) RCS2022-26 |
Cell-Free massive MIMO (CF-mMIMO), which cooperatively utilizes a large number of antennas deployed over a wide communic... [more] |
RCS2022-26 pp.13-18 |
IN, RCS, NV (Joint) |
2022-05-26 09:55 |
Kanagawa |
Keio University (Hiyoshi Campus) (Primary: On-site, Secondary: Online) |
Incorporation of MU-MIMO Technology into User-centric Cell-Free mMIMO System Sijie Xia, Chang Ge, Ryo Takahashi, Qiang Chen, Fumiyuki Adachi (Tohoku Univ.) RCS2022-14 |
Recently, cell-free massive multiple-input-multiple-output (CF-mMIMO) system has been attracting a great attention. CF-m... [more] |
RCS2022-14 pp.7-12 |
MI |
2022-01-25 16:37 |
Online |
Online |
[Short Paper]
Recognition of teeth and dental prostheses in dental panoramic radiographs using multi-label detection Takumi Morishita (Gifu Univ.), Chisako Muramatsu (Shiga Univ.), Ryo Takahashi, Tatsuro Hayashi (media), Yuta Seino (Gifu Univ.), Wataru Nishiyama (Asahi Univ.), Xiangrong Zhou, Takeshi Hara (Gifu Univ.), Akitoshi Katsumata (Asahi Univ.), Hiroshi Fujita (Gifu Univ.) MI2021-51 |
The purpose of this study is to analyze dental panoramic radiographs for completing dental files to contribute to the di... [more] |
MI2021-51 pp.37-38 |
RCS, SIP, IT |
2022-01-21 13:30 |
Online |
Online |
Improved Adaptive Interference/Radio Resource Management for 5G Advanced Ultra-dense RAN Ryo Takahashi, Hidenori Matsuo, Fumiyuki Adachi (Tohoku Univ.) IT2021-77 SIP2021-85 RCS2021-245 |
In order to solve an interference problem in multi-user MIMO (MU-MIMO) systems using distributed antennas, the authors h... [more] |
IT2021-77 SIP2021-85 RCS2021-245 pp.276-281 |
RCS, NS (Joint) |
2021-12-17 11:25 |
Nara |
Nara-ken Bunka Kaikan and Online (Primary: On-site, Secondary: Online) |
A Study on User Scheduling for Overloaded Environment in Distributed Antenna Network Using Quantum Computing Keishi Hanakago, Ryo Takahashi, Takahiro Ohyama (PSNRD), Fumiyuki Adachi (Tohoku Univ.) RCS2021-189 |
In a distributed antenna network, a large number of antennas are distributed over a base station coverage area (cell). H... [more] |
RCS2021-189 pp.75-80 |
AP, RCS (Joint) |
2021-11-11 11:45 |
Nagasaki |
NBC-Bekkan (Nagasaki) (Primary: On-site, Secondary: Online) |
A recursive solution of joint transmit-receive diversity weight vectors Fumiyuki Adachi, Ryo Takahashi (Tohoku U.) RCS2021-161 |
Optimal joint transmit-receive diversity (JTRD) is a type of multi-input multi-output (MIMO) spatial diversity technique... [more] |
RCS2021-161 pp.98-103 |
SDM, ICD, ITE-IST [detail] |
2021-08-18 15:35 |
Online |
Online |
Evaluation of Side-channel Leakage on High-speed Asynchronous Successive Approximation Register AD Converters Ryozo Takahashi, Kazuki Monta, Takuji Miki, Makoto Nagata (Kobe Univ.) SDM2021-43 ICD2021-14 |
This paper presents an evaluation of security level on high-speed asynchronous successive approximation register (SAR) a... [more] |
SDM2021-43 ICD2021-14 pp.68-71 |
RCS, SR, NS, SeMI, RCC (Joint) |
2021-07-14 09:00 |
Online |
Online |
A Study on Inter-Cluster Interference Coordination for Distributed Antenna Network Using Quantum Computing Keishi Hanakago, Ryo Takahashi, Takahiro Ohyama (PSNRD), Fumiyuki Adachi (Tohoku Univ.) RCS2021-77 |
In a large-scale distributed antenna network, where a large number of antennas are deployed over a base station coverage... [more] |
RCS2021-77 pp.1-6 |
RCS, SR, NS, SeMI, RCC (Joint) |
2021-07-14 09:25 |
Online |
Online |
On Cellular Structure for Ultra-dense Distributed Antenna-based 5G-advanced Systems Sijie Xia, Chang Ge, Ryo Takahashi, Qiang Chen, Fumiyuki Adachi (Tohoku Univ.) RCS2021-78 |
Compared with the traditional cellular structure based on centralized antennas, the distributed antenna-based cellular s... [more] |
RCS2021-78 pp.7-12 |
RCS, SR, NS, SeMI, RCC (Joint) |
2021-07-14 09:50 |
Online |
Online |
A Study on The Effect of Correlated Fading on Joint Transmit-receive Diversity and MIMO Spatial Multiplexing Fumiyuki Adachi, Ryo Takahashi (Tohoku Univ.) RCS2021-79 |
Joint transmit-receive diversity (JTRD) is one of diversity techniques to mitigate the degradation of communication qual... [more] |
RCS2021-79 pp.13-18 |
IN, NS (Joint) |
2021-03-05 15:10 |
Online |
Online |
A Study on OFDMA Transmission in Interfering IEEE 802.11ax Wireless LANs Ryoichi Takahashi, Yosuke Tanigawa, Hideki Tode (OPU) NS2020-166 |
Recently, many wireless LANs (WLANs) are deployed while interfering with each other in various places. To improve the fr... [more] |
NS2020-166 pp.256-261 |
RCS, SR, SRW (Joint) |
2021-03-04 09:25 |
Online |
Online |
Adaptive Interference/Radio Resource Management Integrating Inner-cell Interference Coordination and Inter-cell Interference Coordination for 5G Advanced Ultra-dense RAN Ryo Takahashi, Hidenori Matsuo, Fumiyuki Adachi (Tohoku Univ.) RCS2020-227 |
Ultra-densification of radio access network (RAN) is essential to efficiently handle the ever-increasing mobile data tra... [more] |
RCS2020-227 pp.124-129 |
SIP, IT, RCS |
2021-01-22 16:45 |
Online |
Online |
Theoretical Study of User-wise Joint Transmit-receive Diversity for Multi-user MIMO Communication Fumiyuki Adachi, Ryou Takahashi (Tohoku Univ.) IT2020-100 SIP2020-78 RCS2020-191 |
Multi-user MIMO spatial multiplexing has been recognized as an indispensable technique to significantly improve the spec... [more] |
IT2020-100 SIP2020-78 RCS2020-191 pp.206-211 |
SRW, SeMI, CNR (Joint) |
2020-11-27 16:45 |
Online |
Online |
[Invited Lecture]
itocon: Bus Stop Congestion Visualizing System with Multiple Congestion Sensors Shunei Inoue, Ryo Takahashi, Kenta Hayashi, Yudai Mitsukude, Masanori Futamata, Shuta Matsuo, Shigemi Ishida, Yutaka Arakawa, ShigeruTakano (Kyushu Univ.) SeMI2020-42 |
Kyushu University Ito Campus is the biggest campus in Japan where more than 20,000 students andstaff are enrolled. About... [more] |
SeMI2020-42 p.107 |
RCS |
2020-10-22 11:25 |
Online |
Online |
Multi-user MIMO coordinated with user-wise joint transmit-receive diversity using linear antenna array at BS Fumiyuki Adachi, Ryo Takahashi (Tohoku Univ.) RCS2020-96 |
Multi-user MIMO spatial multiplexing has been recognized as an indispensable technique to significantly improve the spec... [more] |
RCS2020-96 pp.24-29 |
MVE |
2020-09-09 13:15 |
Online |
Online |
Stress Estimation Using Multimodal Biosignal Information From RGB Facial Video Takumi Nagasawa, Ryo Takahashi, Norimichi Tsumura (Chiba Univ.) MVE2020-16 |
[more] |
MVE2020-16 pp.29-34 |
EMD |
2020-07-17 14:00 |
Hokkaido |
Chitose-Arcadia-Plaza |
CFRP Acoustic Emission sensing technique using optical fiber Ryo Takahashi, Kentaro Matsuda, Ryo Nagase (CIT) EMD2020-4 |
When an impact load is applied to a CFRP, AE waves, which are elastic waves of several kHz to 400 kHz, are generated. An... [more] |
EMD2020-4 pp.7-10 |
SR, NS, SeMI, RCC, RCS (Joint) |
2020-07-08 14:15 |
Online |
Online |
Zero-forcing based Multi-user MIMO Coordinated with User-wise Joint Transmit-receive Diversity Fumiyuki Adachi, Ryo Takahashi (Tohoku Univ.) RCS2020-65 |
Multi-user MIMO multiplexing coordinated with spatial diversity is a promising technique to improve the transmission qua... [more] |
RCS2020-65 pp.43-48 |
RCS |
2020-06-26 15:20 |
Online |
Online |
Study on Multi-user MIMO Coordinated with User-wise Spatial Diversity Fumiyuki Adachi, Ryo Takahashi (Tohoku Univ.) RCS2020-50 |
[more] |
RCS2020-50 pp.163-168 |
IN, RCS, NV (Joint) |
2020-05-21 10:00 |
Online |
Online |
A Study on Combined Effect of Cluster Multilayering and MMSE Filtering on Inter-cluster Interference Mitigation in 5G Advanced Ultra-dense RAN Ryo Takahashi, Hidenori Matsuo, Fumiyuki Adachi (Tohoku Univ.) RCS2020-10 |
In ultra-dense RAN consisting of a large number of distributed antennas, the coverage and the capacity can be improved b... [more] |
RCS2020-10 pp.1-6 |