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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 76  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
SIP, IT, RCS 2024-01-19
11:20
Miyagi
(Primary: On-site, Secondary: Online)
Parameter Reduction for Interference Coordination from HAPS to Terrestrial Systems Using Null Sweeping
Tsutomu Ishikawa, Koji Tashiro, Kenji Hoshino, Atsushi Nagate (SoftBank) IT2023-60 SIP2023-93 RCS2023-235
High-altitude platform stations (HAPSs) have attracted increasing attention for their potential to extend coverage in mo... [more] IT2023-60 SIP2023-93 RCS2023-235
pp.163-168
NS, RCS
(Joint)
2023-12-15
09:25
Fukuoka Kyushu Institute of Technology Tobata campus, and Online
(Primary: On-site, Secondary: Online)
Evaluation of Interference Reduction Performance in Nullforming by High-Altitude Platforms Towards Terrestrial Systems
Koji Tashiro, Tsutomu Ishikawa, Kenji Hoshino, Atsushi Nagate (SoftBank) RCS2023-193
High-altitude platform stations (HAPSs) have garnered significant attention as a leading technology for providing an ext... [more] RCS2023-193
pp.82-87
RCS, SAT
(Joint)
2023-08-31
13:10
Nagano Naganoken Nokyo Building, and online
(Primary: On-site, Secondary: Online)
[Invited Lecture] Nullforming and Coordination Techniques for Spectrum Sharing between High-Altitude Platforms and Terrestrial Networks
Koji Tashiro, Kenji Hoshino, Atsushi Nagate (SoftBank) SAT2023-37 RCS2023-108
Non-terrestrial networks (NTNs) using high-altitude platform stations (HAPSs) have garnered significant attention as a l... [more] SAT2023-37 RCS2023-108
p.24(SAT), p.36(RCS)
RCS 2023-06-14
16:00
Hokkaido Hokkaido University, and online
(Primary: On-site, Secondary: Online)
Improvement in Interference Reduction Performance of Nullforming by HAPS for Spectrum Sharing with Terrestrial Systems
Koji Tashiro, Kenji Hoshino, Atsushi Nagate (SoftBank) RCS2023-42
High-altitude platform stations (HAPSs) have garnered significant attention as a leading technology for providing an ext... [more] RCS2023-42
pp.81-86
RCS 2023-04-13
10:25
Shimane Matsue New Urban Hotel, and online
(Primary: On-site, Secondary: Online)
Null Sweeping for Reduction of Residual Interference between HAPS and Terrestrial Systems
Tsutomu Ishikawa, Koji Tashiro, Kenji Hoshino, Atsushi Nagate (SoftBank Corp.) RCS2023-2
A high-altitude platform station (HAPS) is a promising technology which realizes the coverage extension in the 6G wirele... [more] RCS2023-2
pp.7-12
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
AP 2023-02-15
13:50
Miyagi Tohoku University, Aobayama Campus
(Primary: On-site, Secondary: Online)
[Invited Lecture] Design and Analysis of LoS-MIMO System with Uniform Cross Array Composed of Dual-polarized Antennas
Motoshi Tawada, Yoshichika Ohta, Atsushi Nagate (SoftBank) AP2022-204
Research and development of communication services using radios and antennas mounted on vehicles, unmanned aerial vehicl... [more] AP2022-204
pp.40-45
SR, UWT
(Joint)
2023-01-26
14:10
Tokyo Takanawa Campus, Tokai Univ.
(Primary: On-site, Secondary: Online)
[Invited Talk] R&D of Interference Avoidance for Spectrum Sharing between HAPS and Terrestrial Mobile Communication Systems
Mitsukuni Konishi, Kenji Hoshino, Atsushi Nagate (SoftBank) SR2022-74
(To be available after the conference date) [more] SR2022-74
p.11
MVE, IPSJ-CVIM, VRSJ-SIG-MR 2023-01-27
10:25
Nara Nara Institute of Science and Technology
(Primary: On-site, Secondary: Online)
Comparison of brain activity when viewing presentation videos with different features -- Evaluation based on topic difficulty and explanation skills --
Takahiro Morita, Liang Zhang, Atsushi Nagate (SoftBank), Maryam Alimardani, Shuichi Nishio (Osaka Univ) MVE2022-41
EEG was used to sense brain activity when viewing four types of presentation videos with different "topic difficulty" an... [more] MVE2022-41
pp.37-42
RCS, AP, UWT
(Joint)
2022-11-16
14:55
Fukuoka Kyushu University, and Online
(Primary: On-site, Secondary: Online)
LoS-MIMO Transmission Experiment Using Dual-polarized Antennas.
Motoshi Tawada, Yoshichika Ohta, Atsushi Nagate (SoftBank) AP2022-163
Research and development of communication services using radios and antennas mounted on vehicles, UAVs, HAPS, and other ... [more] AP2022-163
pp.91-96
RCS, AP, UWT
(Joint)
2022-11-17
15:25
Fukuoka Kyushu University, and Online
(Primary: On-site, Secondary: Online)
Subarray Optimization for Inter-HAPS Interference Mitigation in Massive MIMO Systems
Koji Tashiro, Kenji Hoshino, Atsushi Nagate (SoftBank) RCS2022-183
High-altitude platform stations (HAPSs) have attracted much attention as a leading technology for coverage extension in ... [more] RCS2022-183
pp.161-166
MIKA
(3rd)
2022-10-14
10:40
Niigata Niigata Citizens Plaza
(Primary: On-site, Secondary: Online)
[Poster Presentation] Dynamic Antenna Control for HAPS Using DQN-based Method in Multi-Cell Configuration
Yang Siyuan, Mondher Bouazizi, Tomoaki Ohtsuki (Keio Univ.), Yohei Shibata, Wataru Takabatake, Kenji Hoshino, Atsushi Nagate (SoftBank Corp. Technology Research Laboratory)
In this paper, we consider a High-Altitude Platform Station (HAPS) working at stratospheric altitudes of about 20 km to ... [more]
AP 2022-08-19
13:25
Tochigi Tochigi Prefecture Industrial Center
(Primary: On-site, Secondary: Online)
A Study on Robust LoS-MIMO Transmission in HAPS Feeder Link
Motoshi Tawada, Yoshichika Ohta, Atsushi Nagate (Softbank) AP2022-68
In line of sight multiple input multiple output (LoS-MIMO) transmission in a feeder link, which involves communication b... [more] AP2022-68
pp.23-28
NS, SR, RCS, SeMI, RCC
(Joint)
2022-07-14
11:45
Ishikawa The Kanazawa Theatre + Online
(Primary: On-site, Secondary: Online)
An Experimental Study on Automatic Gain Control in HAPS Repeater System
Takuya Hasegawa, Mitsukuni Konishi, Yoshichika Ohta, Atsushi Nagate (SoftBank) SR2022-29
High-Altitude Platform Station (HAPS) is a new mobile communication platform which enables to directly provide mobile co... [more] SR2022-29
pp.41-47
IMQ, HIP 2022-07-08
13:25
Hokkaido Satellite Campus, Sapporo City University Estimating the subjective impression of presentation viewers using EEG
Takahiro Morita, Liang Zhang, Atsushi Nagate (SoftBank), Maryam Alimardani, Shuichi Nishio (Osaka Univ) IMQ2022-5 HIP2022-36
(To be available after the conference date) [more] IMQ2022-5 HIP2022-36
pp.5-10
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 2022-06-15
11:25
Okinawa University of the Ryukyus, Senbaru Campus and online
(Primary: On-site, Secondary: Online)
Inter-HAPS Interference Reduction Technique Using Subarrayed Cylindrical Antenna with Nullforming
Koji Tashiro, Kenji Hoshino, Atsushi Nagate (SoftBank) RCS2022-28
High-altitude platform stations (HAPS) have attracted much attention as a leading technology for coverage extension in t... [more] RCS2022-28
pp.25-30
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
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