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 Results 1 - 6 of 6  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
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
 Results 1 - 6 of 6  /   
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