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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCS | 2023-04-13 11:30 |
Shimane | Matsue New Urban Hotel, and online (Primary: On-site, Secondary: Online) |
Neural Network based Dynamic Area Optimization Algorithm for HAPS Mobile Communication Systems Wataru Takabatake, Yohei Shibata, Kenji Hoshino, Atsushi Nagate (SB)  RCS2023-4 |
HAPS(High-Altitude Platform Station) attracts attention as a new communication platform which provides wide area communi... [more] | RCS2023-4 pp.19-24 |
| RCS, SR, SRW (Joint) |
2023-03-02 09:50 |
Tokyo | Tokyo Institute of Technology, and Online (Primary: On-site, Secondary: Online) |
[Encouragement Talk]
Dynamic Cell Optimization Algorithm for Multi -Cell HAPS Mobile Communications Yohei Shibata, Wataru Takabatake, Kenji Hoshino, Atsushi Nagate (SB), Tomoaki Ohtsuki (Keio Univ.) RCS2022-271 |
HAPS (High-Altitude Platform Station) is a new communications platform that provides wide-area communication services di... [more] | RCS2022-271 p.142 |
| RCS | 2022-06-15 11:00 |
Okinawa | University of the Ryukyus, Senbaru Campus and online (Primary: On-site, Secondary: Online) |
Two-Step Dynamic Cell Optimization Algorithm for HAPS Mobile Communications Yohei Shibata (SB/Keio), Wataru Takabatake, Kenji Hoshino, Atsushi Nagate (SB), Tomoaki Ohtsuki (Keio) RCS2022-27 |
HAPS (High-Altitude Platform Station) attracts attention as a new communication platform that provides wide-area communi... [more] | RCS2022-27 pp.19-24 |
| RCS, SR, SRW (Joint) |
2022-03-02 12:40 |
Online | Online | [Invited Lecture]
A Basic Evaluation of Interference Avoidance Control for Downlink Spectrum Sharing between HAPS and Terrestrial Mobile Communication Systems Mitsukuni Konishi, Takuya Nishimaki, Yohei Shibata, Atsushi Nagate (SoftBank) SR2021-91 |
[more] | SR2021-91 p.27 |
| RCS, SR, SRW (Joint) |
2022-03-04 16:15 |
Online | Online | Dynamic Antenna Control for HAPS Using Geometric Based Method in Multi-Cell Configuration Siyuan Yang, Mondher Bouazizi, Tomoaki Ohtsuki (Keio Univ.), Yohei Shibata, Wataru Takabatake, Kenji Hoshino, Atsushi Nagate (SoftBank Corp. Technology Research Laboratory) RCS2021-298 |
In this research, we propose a novel antenna control method for reducing the number of low throughput User Equipments (U... [more] | RCS2021-298 pp.235-240 |
| RCS | 2021-10-22 10:00 |
Online | Online | Coevolutionary Dynamic Cell Optimization Algorithm for HAPS Mobile Communications Yohei Shibata, Wataru Takabatake, Kenji Hoshino, Atsushi Nagate (SB) RCS2021-131 |
HAPS(High-Altitude Platform Station) attracts attention as a new communication platform which provides wide area communi... [more] | RCS2021-131 pp.64-69 |
| MW, AP (Joint) |
2021-09-10 10:35 |
Online | Online | Demonstration of Footprint Fixation and Area Optimization Using a Prototype Cylindrical Array Antenna for HAPS Service Link Shoichi Sudo, Yohei Shibata, Koji Tashiro, Wataru Takabatake, Kenji Hoshino (SB) AP2021-62 |
High-Altitude Platform Station (HAPS), which provides direct communication services to mobile devices on the ground from... [more] | AP2021-62 pp.29-34 |
| RCS, SR, SRW (Joint) |
2021-03-04 09:00 |
Online | Online | HAPs Dynamic Antenna Control Using Fuzzy Q Learning and Deep Q Network in MultiCell Configuration Kenshiro Wada, Tomoaki Ohtsuki (Keio Univ.), Yohei Shibata, Wataru Takabatake, Kenji Hoshino, Atsushi Nagate (Softbank Corp.) RCS2020-226 |
[more] | RCS2020-226 pp.118-123 |
| SIP, IT, RCS | 2021-01-22 14:00 |
Online | Online | Dynamic Cell Optimization for HAPS multi-cell Configuration Considering User Distribution Yohei Shibata, Wataru Takabatake, Kenji Hoshino, Atsushi Nagate (SB) IT2020-94 SIP2020-72 RCS2020-185 |
HAPS(High-Altitude Platform Station) attracts attention as a new communication platform which provides wide area communi... [more] | IT2020-94 SIP2020-72 RCS2020-185 pp.170-175 |
| SR | 2020-11-19 15:00 |
Online | Online | Effect of Interference Avoidance Control for Downlink Spectrum Sharing between HAPS and Terrestrial Mobile Communication Systems Mitsukuni Konishi, Takuya Nishimaki, Yohei Shibata, Sho Nabatame, Atsushi Nagate (SoftBank) SR2020-37 |
(To be available after the conference date) [more] | SR2020-37 pp.92-99 |
| RCS, SR, SRW (Joint) |
2020-03-05 09:40 |
Tokyo | Tokyo Institute of Technology (Cancelled but technical report was issued) |
FMCW Radar-based Anomaly Detection in Toilet by Spectrogram Analysis with LSTM Takabatake Wataru, Mondher Bouazizi, Kohei Yamamoto, Tomoaki Ohtsuki (Keio Univ.), Yohei Shibata, Atushi Nagate () RCS2019-351 |
With the increase in the population of elderly, elderly monitoring techniques are receiving more and more attention all... [more] |
RCS2019-351 pp.165-170 |
| RCS | 2019-06-21 16:00 |
Okinawa | Miyakojima Hirara Port Terminal Building | A System Design of Gigabit HAPS Mobile Communications with Energy Efficiency Yohei Shibata (HAPSMobile), Noboru Kanazawa (SoftBank), Mitsukuni Konishi, Kenji Hoshino, Yoshichika Ohta, Atsushi Nagate (HAPSMobile) RCS2019-98 |
(To be available after the conference date) [more] | RCS2019-98 pp.359-364 |
| ASN | 2019-01-29 11:15 |
Kagoshima | Kyuukamura Ibusuki | Anomaly Detection in Toilet with FMCW Radar Wataru Takabatake, Kohei Yamamoto, Kentaroh Toyoda, Tomoaki Ohtsuki (Keio Univ.), Yohei Shibata, Atsushi Nagate ASN2018-90 |
With the increase in the population of elderly, elderly monitoring techniques are receiving more and more attention all ... [more] | ASN2018-90 pp.65-70 |
| RCS, NS (Joint) |
2018-12-21 11:15 |
Hiroshima | Onomichi City Hall | A Study on Cell Configuration for HAPS Mobile Communications Yohei Shibata, Noboru Kanazawa, Kenji Hoshino, Yoshichika Ohta, Atsushi Nagate (HAPS Mobile) RCS2018-236 |
High-Altitude Platform Station (HAPS), which provides communications services from the altitude of 20km by utilizing bal... [more] | RCS2018-236 pp.101-106 |
| RCS, CCS, SR, SRW (Joint) |
2016-03-02 17:45 |
Tokyo | Tokyo Institute of Technology | Soft-Decision-Aided Joint Maximum-Likelihood Estimation of Signal Power and Noise Spectral Density Over AWGN Channels Yohei Shibata (Keio Univ.), Haifeng Yuan (NUS), Tomoaki Ohtsuki, Pooi Yuen Kam (Keio Univ.), Jun Mashino (NTT) RCS2015-350 |
The estimation of signal power and noise spectral density is a fundamental problem in communication theory, which is con... [more] | RCS2015-350 pp.103-108 |
| RCS, CCS, SR, SRW (Joint) |
2016-03-04 16:45 |
Tokyo | Tokyo Institute of Technology | Suppression of Multiple Wideband-Interferences Based on Superposition Probability Yuto Kakizaki, Yohei Shibata, Tomoaki Ohtsuki (Keio Univ.), Jun Mashino (NTT) RCS2015-399 |
Superposed multicarrier transmission is proposed as one of the schemes that improve frequency utilization efficiency. In... [more] | RCS2015-399 pp.387-392 |
| RCS | 2015-06-25 09:08 |
Hokkaido | Hokkaido Univ. | Suppression of Multiple Interferences for Superposed Multicarrier Transmission Yuto Kakizaki, Yohei Shibata, Tomoaki Ohtsuki (Keio Univ.), Jun Mashino (NTT) RCS2015-59 |
Superposed multicarrier transmission is proposed as one of the schemes that improve frequency utilization efficiency. In... [more] | RCS2015-59 pp.77-82 |
| RCS | 2014-06-18 10:05 |
Okinawa | Okinawa-ken Seinenkaikan (Naha) | Iterative Estimation Of Undesired Signal Power For Superposed Multicarrier Transmission With Channel Estimation Error Yohei Shibata, Naotoshi Yoda, Tomoaki Ohtsuki (Keio Univ.), Jun Mashino, Takatoshi Sugiyama (NTT) RCS2014-64 |
Superposed multicarrier transmission scheme is known to improve frequency utilization efficiency when several wireless s... [more] | RCS2014-64 pp.185-190 |
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