Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
RCS, SR, SRW (Joint) |
2025-03-07 09:00 |
Kyoto |
Kyoto Institute of Technology (Kyoto, Online) (Primary: On-site, Secondary: Online) |
[Encouragement Talk]
Plug-and-Play-Based Receiver Design for Grant-Free NOMA Using Low-Density Structured OFDM Kohei Ueda (UEC), Takanori Hara (TUS), Koji Ishibashi (UEC) |
(To be available after the conference date) [more] |
|
RCS, SR, SRW (Joint) |
2025-03-07 09:25 |
Kyoto |
Kyoto Institute of Technology (Kyoto, Online) (Primary: On-site, Secondary: Online) |
Physical Layer Authentication Utilizing Carrier Frequency Offset in Grant-Free Non-Orthogonal Multiple Access Kenta Miwa, Kohei Ueda, Koji Ishibashi (UEC) |
(To be available after the conference date) [more] |
|
NS, RCS (Joint) |
2024-12-20 09:30 |
Hokkaido |
Hakodate Arena + Online (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
Joint Estimation Method of User-Activity, Carrier Frequency Offset, and Channel Coefficient for Cell-Free Massive MIMO Ryoji Kanzaki, Kohei Ueda (UEC), Takumi Takahashi (Osaka Univ.), Koji Ishibashi (UEC) RCS2024-193 |
This paper investigates a joint estimation method for user activity, channel coefficients, and carrier frequency offsets... [more] |
RCS2024-193 pp.104-109 |
NS, RCS (Joint) |
2024-12-20 10:20 |
Hokkaido |
Hakodate Arena + Online (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
Design of Scalable Network-Assisted Full-Duplex Cell-Free Massive MIMO Based on Energy Efficiency Maximization Yuya Mito, Koushi Okui, Kohei Ueda, Koji Ishibashi (UEC) RCS2024-195 |
This paper presents a joint design method for access point (AP) clustering and beamforming to maximize energy efficiency... [more] |
RCS2024-195 pp.117-122 |
RCS |
2024-06-20 15:15 |
Okinawa |
(Okinawa, Online) (Primary: On-site, Secondary: Online) |
Differential Modulation for Non-Coherent Grant-free NOMA in the Presence of Timing Offsets Eiji Yoshimura, Takanori Hara (TUS), Kohei Ueda, Koji Ishibashi (UEC), Kenichi Higuchi (TUS) RCS2024-64 |
[more] |
RCS2024-64 pp.215-220 |
RCS |
2023-10-20 10:45 |
Kagawa |
Kagawa University (Saiwai-cho Campus), and online (Kagawa, Online) (Primary: On-site, Secondary: Online) |
Consideration on Information Set and Frozen Set for Polar Codes Under BP Decoding Kohei Ueda (Kagawa Univ.), Satoshi Suyama, Satoshi Nagata (NTT DOCOMO), Nobuhiko Miki (Kagawa Univ.) RCS2023-142 |
[more] |
RCS2023-142 pp.69-73 |
RCS |
2023-06-14 17:30 |
Hokkaido |
Hokkaido University, and online (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
Bayesian Receiver Design for Grant-Free NOMA Based on Low-Density Structured OFDM Kohei Ueda (UEC), Takanori Hara (Tokyo Univ. of Science), Koji Ishibashi (UEC) RCS2023-45 |
This paper studies a grant-free non-orthogonal multiple access (GF-NOMA) system using orthogonal frequency division mult... [more] |
RCS2023-45 pp.99-104 |
RCS |
2022-06-16 10:10 |
Okinawa |
University of the Ryukyus, Senbaru Campus and online (Okinawa, Online) (Primary: On-site, Secondary: Online) |
Iterative Active User Detection for Grant-Free Non-Orthogonal Multiple Access in The Presence of Carrier Frequency Offsets Kohei Ueda (UEC), Takanori Hara (TUS), Koji Ishibashi (UEC) RCS2022-43 |
Grant-free non-orthogonal multiple access (GF-NOMA) systems suffer from the performance degradation of active user detec... [more] |
RCS2022-43 pp.114-119 |
RCS, SIP, IT |
2022-01-20 10:20 |
Online |
Online (Online) |
Influence of Design-SNR on Error Rate Performance Employing BP Decoder Kohei Ueda (Kagawa Univ.), Satoshi Suyama, Takahiro Asai (NTT DOCOMO), Miki Nobuhiko (Kagawa Univ.) IT2021-30 SIP2021-38 RCS2021-198 |
Belief Propagation (BP) decoding, which is commonly used to decode Low Density Parity Check (LDPC) codes, is an effectiv... [more] |
IT2021-30 SIP2021-38 RCS2021-198 pp.13-17 |
US |
2021-09-24 14:20 |
Online |
Online (Online) |
Effect of Inter-focal Distance in Ultrasonic Focal Scanning Sequence on Bubble Generation in Cavitation-enhanced Ultrasonic Heating Kohei Ueda, Shin Yoshizawa, Shin-ichiro Umemura (Tohoku.Univ.) US2021-36 |
High-intensity focused ultrasound (HIFU) is a noninvasive treatment of cancer by coagulating a tumor tissue through temp... [more] |
US2021-36 pp.13-17 |
EE |
2016-01-29 13:40 |
Fukuoka |
KURUME HOTEL ESPRIT (Fukuoka) |
Optimization of a Transformer Used for LLC Resonant DC-DC Converters for Photovoltaic Cells Hisatsugu Kato (Tabuchi), Shotaro Karasuyama, Yoichi Ishizuka (Nagasaki Univ.), Kohei Ueda, Atsushi Ogasawara (Tabuchi) EE2015-25 |
[more] |
EE2015-25 pp.97-102 |