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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCS | 2024-06-20 15:15 |
Okinawa | (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 (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 (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 (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 | 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 | 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 | 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 |
| NS | 2009-04-16 13:25 |
Tokyo | Shibaura Institute of Technology (Tokyo) | A GI+M/M/1 Queue and Its Application to Frame-Level Delay Analysis for High Bandwidth-Demanded Streaming Services Kohei Ueda, Hiroyuki Masuyama, Shoji Kasahara, Yutaka Takahashi (Kyoto Univ.) NS2009-2 |
In order to evaluate the quality of service (QoS) of video streaming services, most of previous work has focused on the ... [more] | NS2009-2 pp.3-8 |
| EA | 2008-09-26 14:00 |
Tokyo | Measurements of the acoustical properties of polystyrene materials Kohei Ueda, Yasushi Miki (Takushoku Univ.) EA2008-60 |
A system for measuring acoustical properties of materials is developed. It uses an impulsive sound wave which is designe... [more] | EA2008-60 pp.1-4 |
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