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All Technical Committee Conferences  (Searched in: All Years)

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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 233  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
PN 2023-03-01
15:10
Okinawa
(Primary: On-site, Secondary: Online)
[Invited Talk] High-speed beam steering technology toward Beyond 5G
Hideyuki Nosaka (Ritsumeikan Univ.), Takana Kaho (SIT), Tetsuya Kawanishi (Waseda Univ.)
(To be available after the conference date) [more]
AP 2023-02-16
14:15
Miyagi Tohoku University, Aobayama Campus
(Primary: On-site, Secondary: Online)
[Invited Lecture] A Compact Beam Forming Antenna based on Phase Gradient Huygen's Transmitarray and Fabry-Perot Antenna Source
Takayoshi Sasaki, Tanan Hongnara, Yoshiki Shirasawa, Warangkana Chaihongsa, Katsumori Sasaki, Keisuke Sato, Ichiro Ohshima (DKK), Keizo Cho, Hiroaki Nakabayashi (CIT), Naobumi Michishita (NDA) AP2022-217
(To be available after the conference date) [more] AP2022-217
pp.111-115
MWPTHz, PN, EMT, IEE-EMT [detail] 2023-01-23
13:00
Osaka
(Primary: On-site, Secondary: Online)
Investigation on a Dual-Band Reflectarray Independently Controlling Dual Polarization
Sota Tanizawa, Kosei Inoue, Hiroyuki Deguchi, Mikio Tsuji (Doshisha Univ.) PN2022-31 EMT2022-69 MWPTHz2022-57
For obtaining a multi-band reflectarray with multi-beams, we have proposed a novel reflectarray realizing multiple dual-... [more] PN2022-31 EMT2022-69 MWPTHz2022-57
pp.1-6
QIT
(2nd)
2022-12-08
14:00
Kanagawa Keio Univ.
(Primary: On-site, Secondary: Online)
[Poster Presentation] Two-photon phase singularity manifested by propagational distance control of photon pair generated by higher-order LG pump beam
Takumi Jinushi, Hirokazu Kobayashi (KUT)
We report our finding that a phase singularity in two-photon wave function is manifested at the center of the optical ax... [more]
WPT
(2nd)
2022-12-05
- 2022-12-06
Kyoto Uji Obaku Plaza Kihada Hall, Uji Campus, Kyoto University
(Primary: On-site, Secondary: Online)
Study of Partially Driven Array Antenna with the Coupling Lines
Hiroyuki Kamada, Bo Yang, Wenyi Shao, Baku Takahara, Naoki Shinohara, Tomohiko Mitani (Kyoto Univ.)
In the design of high-frequency, multi-element phased array antennas, simplification of power supply and phase control i... [more]
RCS, AP, UWT
(Joint)
2022-11-17
11:00
Fukuoka Kyushu University, and Online
(Primary: On-site, Secondary: Online)
[Invited Talk] Basics of Orbital Angular Momentum (OAM) Mode Multiplexing
Toshihiko Nishimura (Hokkaido Univ.) AP2022-164 RCS2022-177
The demand for high-capacity wireless communications is increasing as we move toward the 6G era, which will provide a fu... [more] AP2022-164 RCS2022-177
pp.97-102(AP), pp.130-135(RCS)
ITE-BCT, OCS, IEE-CMN, OFT 2022-11-10
15:50
Miyagi Forest-Sendai
(Primary: On-site, Secondary: Online)
Remotely phase control of microwave signals using semiconductor optical amplifiers and optical beat
Shunya Hayashi, Tomoyuki Uehara, Kenichiro Tsuji (NDA) OFT2022-38
Next-generation access networks are expected to use high-frequency radio signals with high attenuation, requiring the in... [more] OFT2022-38
pp.5-10
AP 2022-10-19
09:30
Gifu GIFU CITY CULTURE CENTER
(Primary: On-site, Secondary: Online)
[Poster Presentation] Fast and High-accuracy Channel Estimation Method Combining Load Modulation and Compressed Sensing Techniques for Reconfigurable Intelligent Surfaces
Shun Sasaki, Takumi Kato, Kentaro Murata, Naoki Honma (Iwate Univ.) AP2022-105
In this study, we propose a channel estimation method for reconfigurable intelligent surfaces (RIS) combining the load m... [more] AP2022-105
pp.47-52
SIS, ITE-BCT 2022-10-14
11:25
Aomori Hachinohe Institute of Technology
(Primary: On-site, Secondary: Online)
Fundamental Study of Underwater Acoustic Communication Using a Bidirectional Retrodirective System
Takahiro Ishikawa, Shingo Yoshizawa (Kitami Inst. of Tech.) SIS2022-20
Beamforming is a technique that concentrates wave energy in a specific direction using multiple element arrays. It can e... [more] SIS2022-20
pp.49-52
MIKA
(3rd)
2022-10-14
10:40
Niigata Niigata Citizens Plaza
(Primary: On-site, Secondary: Online)
[Poster Presentation] A study of directional beam antenna for drones transmission relay
Chikayo Hata, Yuya Tajima, Takefumi Hiraguri (NIT)
We propose the directional beam antenna in order to relay transmission between flighting drones. The directional beam an... [more]
MIKA
(3rd)
2022-10-14
10:40
Niigata Niigata Citizens Plaza
(Primary: On-site, Secondary: Online)
[Poster Presentation] Antenna and system evaluation techniques for OTA evaluation
Yoshiki Shirasawa, Noboru Sekino, Takeyuki Aizaki (DKK)
We are participating in the research and development of evaluation methods for spatial transmission Wireless Power Trans... [more]
SAT, KOSST 2022-10-06
14:05
Fukuoka
(Primary: On-site, Secondary: Online)
A Study on the Effect of Improving Traffic Accommodation Ratio by Adaptive Coding and Modulation for High Throughput Satellite in Time-Varying Communication Environments
Takahiro Ebihara, Tetsushi Ikegami (Meiji Univ.) SAT2022-45
The effect of using ACM(Adaptive Coding and Modulation) on improving the traffic accommodation ratio in Ka-band High Thr... [more] SAT2022-45
pp.6-11
AP, MW
(Joint)
2022-09-15
13:50
Ehime The Museum of Art, EHIME
(Primary: On-site, Secondary: Online)
Prototype Development and Basic Experimental Evaluation of Feeder Link Transceiver in HAPS System
Kazuki Matsuura, Yoshichika Ohta (SoftBank) AP2022-79
High-Altitude Platform Station (HAPS) is attracting much attention as a new mobile communications platform realizing ult... [more] AP2022-79
pp.44-49
SAT, RCS
(Joint)
2022-08-26
11:40
Hokkaido
(Primary: On-site, Secondary: Online)
Inter-cell Interference Control by Joint Transmit Power and Transmit Beamforming Control based on Machine Learning
Naoto Tamada, Yuyuan Chang, Kazuhiko Fukawa (Tokyo Tech) RCS2022-118
In mobile communications, densely deployed small cell systems using the same frequency band are expected to increase the... [more] RCS2022-118
pp.120-125
SAT, RCS
(Joint)
2022-08-26
12:05
Hokkaido
(Primary: On-site, Secondary: Online)
Multi-Agent Deep Q-Learning based Inter-Cell Interference Coordination for Cellular Systems
Liu Yuchen, Chang Yuyuan, Fukawa Kazuhiko (Tokyo Tech) RCS2022-119
In small cell systems, inter-cell interference (ICI) can severely degrade the overall system capacity. To alleviate ICI,... [more] RCS2022-119
pp.126-131
SAT, RCS
(Joint)
2022-08-26
16:10
Hokkaido
(Primary: On-site, Secondary: Online)
A Study of Frequency Assignment for Adaptive Coding and Modulation Scheme on Flexible Satellite Communication System
Mitsugu Ohkawa, Hiromitsu Wakana, Amane Miura (NICT) SAT2022-43
The resource control for frequency bandwidth and transmission power between beams is effective in Ka-band high capacity ... [more] SAT2022-43
pp.76-81
IN, CCS
(Joint)
2022-08-05
15:20
Hokkaido Hokkaido University(Centennial Hall)
(Primary: On-site, Secondary: Online)
Mobility Control considering Internal Interference for Ad Hoc Networks with Autonomous Mobile Robots
Kota Makino (Nagoya Univ.), Takeshi Hirai (Osaka Univ.), Tutomu Murase (Nagoya Univ.) IN2022-23
We proposes a travel route control and relay control method that improves QoS (throughput) in a system where multiple au... [more] IN2022-23
pp.45-50
RCC, WBS, SAT, MICT 2022-05-27
11:00
Online Online A Study of The Effect of Improving Traffic Accommodation Ratio by ACM for High Throughput Satellite Communications System
Takahiro Ebihara, Tetsushi Ikegami (Meiji Univ.) WBS2022-14 RCC2022-14 SAT2022-14 MICT2022-14
The effect of using ACM(Adaptive Coding and Modulation) on improving the traffic accommodation ratio in Ka-band High Thr... [more] WBS2022-14 RCC2022-14 SAT2022-14 MICT2022-14
pp.65-70
AP 2022-02-17
10:25
Online Online [Invited Lecture] A Study on HAPS Feeder Link System
Yoshichika Ohta, Kazuki Matsuura, Bing Han (Softbank) AP2021-160
HAPS (High-Altitude Platform Stations), which provide mobile communication services by installing base station equipment... [more] AP2021-160
pp.11-15
SeMI 2022-01-20
15:20
Nagano
(Primary: On-site, Secondary: Online)
[Short Paper] A Study of Beamforming Feedback-based Model-driven Angle of Departure Estimation
Sohei Itahara (Kyoto Univ.), Takayuki Nishio (Kyoto Univ./Tokyo Tech.), Koji Yamamoto (Kyoto Univ.) SeMI2021-68
This paper introduces the angle of departure (AoD) estimation method [1] using the multiple signal classification (MUSIC... [more] SeMI2021-68
pp.59-61
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