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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 86  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
MI 2024-03-03
11:28
Okinawa OKINAWAKEN SEINENKAIKAN
(Primary: On-site, Secondary: Online)
[Short Paper] Recognition of Tooth Types in Dental Panoramic Radiographs Containing Deciduous Teeth Using CNN-based Object Detection
Koki Sakai (Gifu Univ.), Chisako Muramatsu (Shiga Univ.), Yuta Seino (Osaka Univ.), Ryo Takahashi, Tatsuro Hayashi (EyeTech), Wataru Nishiyama (Asahi Univ.), Xiangrong Zhou, Takeshi Hara (Gifu Univ.), Akitoshi Katsumata (Asahi Univ.), Hiroshi Fujita (Gifu Univ.) MI2023-41
Panoramic radiographs are widely used in dentistry. However, checking each tooth and recording it in the patient's denta... [more] MI2023-41
pp.34-35
MI 2024-03-03
17:06
Okinawa OKINAWAKEN SEINENKAIKAN
(Primary: On-site, Secondary: Online)
Effect of strain imaging and target shape in ultrasonic strain elastography
Akina Kudo, Yuri Nakaya, Ryo Takahashi, Ryohei Wada, Minoru Kikuchi (Japan Healthcare Univ.) MI2023-59
(To be available after the conference date) [more] MI2023-59
pp.85-86
SIP, IT, RCS 2024-01-19
09:55
Miyagi
(Primary: On-site, Secondary: Online)
A Study on Interference-Aware Antenna Assignment Using Grover Adaptive Search in Distributed Antenna Systems
Keishi Hanakago, Ryo Takahashi, Takahiro Ohyama (PSNRD), Fumiyuki Adachi (Tohoku Univ.) IT2023-62 SIP2023-95 RCS2023-237
 [more] IT2023-62 SIP2023-95 RCS2023-237
pp.175-180
RCS 2023-10-20
15:15
Kagawa Kagawa University (Saiwai-cho Campus), and online
(Primary: On-site, Secondary: Online)
Application of Joint Transmit-Receive Diversity to A Cellular Distributed MU-MIMO System
Ryo Takahashi (PSNRD), Hidenori Matsuo (Panasonic Holdings), Fumiyuki Adachi (Tohoku Univ.) RCS2023-148
Cellular distributed multiuser MIMO (MU-MIMO) is a cellular system in which a wide communication service area is divided... [more] RCS2023-148
pp.90-95
SeMI, RCS, RCC, NS, SR
(Joint)
2023-07-12
10:25
Osaka Osaka University Nakanoshima Center + Online
(Primary: On-site, Secondary: Online)
A Study on MLD Considering Inter-cluster Interference for Distributed Antenna Systems Using Quantum Computing
Keishi Hanakago, Ryo Takahashi, Takahiro Ohyama (PSNRD), Fumiyuki Adachi (Tohoku Univ.) RCS2023-80
 [more] RCS2023-80
pp.7-12
MI 2023-03-06
09:31
Okinawa OKINAWA SEINENKAIKAN
(Primary: On-site, Secondary: Online)
Recognition of tooth types and conditions in dental panoramic radiographs with object detection and prior knowledge
Koki Sakai (Gifu Univ.), Chisako Muramatsu (Shiga Univ.), Yuta Seino (Gifu Univ.), Ryo Takahashi, Tatsuro Hayashi (Media Co., Ltd), Wataru Nishiyama (Asahi Univ.), Xiangrong Zhou, Takeshi Hara (Gifu Univ.), Akitoshi Katsumata (Asahi Univ.), Hiroshi Fujita (Gifu Univ.) MI2022-74
(To be available after the conference date) [more] MI2022-74
pp.5-7
RCS, SR, SRW
(Joint)
2023-03-01
13:25
Tokyo Tokyo Institute of Technology, and Online
(Primary: On-site, Secondary: Online)
Interference Coordination in A Cellular Distributed MU-MIMO System -- Intra-cell Interference Coordination --
Ryo Takahashi, Hidenori Matsuo, Fumiyuki Adachi (Tohoku Univ.) RCS2022-256
Cellular distributed multiuser MIMO (MU-MIMO) is a cellular system in which a wide communication service area is divided... [more] RCS2022-256
pp.54-59
RCS, SR, SRW
(Joint)
2023-03-01
13:50
Tokyo Tokyo Institute of Technology, and Online
(Primary: On-site, Secondary: Online)
Interference Coordination in A Cellular Distributed MU-MIMO System -- Integrated Intra-cell/Inter-cell Interference Coordination --
Hidenori Matsuo, Ryo Takahashi, Fumiyuki Adachi (Tohoku Univ.) RCS2022-257
A cellular distributed multi-user MIMO (MU-MIMO) divides a wide communication service area into multiple base station ce... [more] RCS2022-257
pp.60-65
RCS, NS
(Joint)
2022-12-15
11:40
Aichi Nagoya Institute of Technology, and Online
(Primary: On-site, Secondary: Online)
Evaluation of MMSE Postcoding Schemes for Reducing Inter-cluster-interference in A Cellular Distributed MU-MIMO System
Ryo Takahashi, Hidenori Matsuo, Fumiyuki Adachi (Tohoku Univ.) RCS2022-189
Cellular distributed multi-user MIMO (MU-MIMO) is a system in which a large number of distributed antennas deployed over... [more] RCS2022-189
pp.25-30
RCS, AP, UWT
(Joint)
2022-11-16
09:30
Fukuoka Kyushu University, and Online
(Primary: On-site, Secondary: Online)
A behavior of user-driven multiuser joint transmit-receive diversity in an asymmetric MIMO fading channel
Fumiyuki Adachi, Ryo Takahashi (Tohoku Univ.) RCS2022-163
In this paper, we study user-driven multi-user JTRD. In user-driven multi-user JTRD, each user terminal (UE) determines ... [more] RCS2022-163
pp.49-54
RCS, AP, UWT
(Joint)
2022-11-17
09:55
Fukuoka Kyushu University, and Online
(Primary: On-site, Secondary: Online)
A Study of Optimal Perturbation Vector Search Using Quantum Computing in Vector Perturbation Introducing Symmetry when Using MMSE Norms
Keishi Hanakago, Ryo Takahashi, Takahiro Ohyama (PSNRD), Fumiyuki Adachi (Tohoku Univ.) RCS2022-175
VP (Vector Perturbation) is a nonlinear precoding for MU-MIMO (Multi-User Multi-Input Multi-Output). It is known that fu... [more] RCS2022-175
pp.118-123
RCS 2022-10-28
10:15
Ehime Ehime University, and online
(Primary: On-site, Secondary: Online)
A Study on Interference Suppression ZF-based MU-MIMO for Cluster-Centric Cell-Free Massive MIMO Systems
Sijie Xia, Chang Ge, Ryo Takahashi, Qiang Chen, Fumiyuki Adachi (Tohoku Univ.) RCS2022-144
Cell-free massive multi-input multi-output (CF-mMIMO), which is recently under extensive study, is considered to be an e... [more] RCS2022-144
pp.77-82
SAT, RCS
(Joint)
2022-08-25
11:15
Hokkaido
(Primary: On-site, Secondary: Online)
Channel Segregation and Multi-Subband Assignment for Inter-Cell Interference Coordination in Ultra-dense RAN
Hidenori Matsuo, Ryo Takahashi, Fumiyuki Adachi (Tohoku Univ.) RCS2022-100
Ultra-high-density radio access network (RAN) with many distributed antennas in a base station area (cell) are considere... [more] RCS2022-100
pp.18-23
SAT, RCS
(Joint)
2022-08-25
11:40
Hokkaido
(Primary: On-site, Secondary: Online)
A Study on Computational Complexity Reduction of Pre/Postcoding in User-Cluster-Centric CF-mMIMO
Ryo Takahashi, Hidenori Matsuo, Sijie Xia, Qiang Chen, Fumiyuki Adachi (Tohoku Univ.) RCS2022-101
Cell-Free massive MIMO (CF-mMIMO), which cooperatively utilizes a large number of antennas deployed over a wide communic... [more] RCS2022-101
pp.24-29
SAT, RCS
(Joint)
2022-08-25
12:05
Hokkaido
(Primary: On-site, Secondary: Online)
A study on user-driven suboptimal joint transmit-receive diversity
Fumiyuki Adachi, Ryo Takahashi (Tohoku Univ.) RCS2022-102
In user-driven suboptimal joint transmit-receive diversity (JTRD), firstly the user equipment (UE) determines its divers... [more] RCS2022-102
pp.30-35
NS, SR, RCS, SeMI, RCC
(Joint)
2022-07-14
11:20
Ishikawa The Kanazawa Theatre + Online
(Primary: On-site, Secondary: Online)
A Study of Quantum Computing-based Cluster-Layering Method in Distributed Antenna Networks
Keishi Hanakago, Ryo Takahashi, Takahiro Ohyama (PSNRD), Fumiyuki Adachi (Tohoku Univ.) RCS2022-82
In distributed antenna networks, where a large number of antennas are deployed in a communication service area, distribu... [more] RCS2022-82
pp.66-71
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
RCS, SR, SRW
(Joint)
2022-03-02
15:20
Online Online Cellular Distributed MU-MIMO Communication System -- Architecture Design and Interference Countermeasure --
Fumiyuki Adachi, Ryo Takahashi, Hidenori Matsuo, Sijie Xia, Chang Ge, Qiang Chen (Tohoku U.) RCS2021-269
In ultra-dense mobile radio communication systems, severe co-channel interference is produced by reusing the same radio ... [more] RCS2021-269
pp.96-101
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
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