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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCS, SIP, IT | 2025-01-29 16:10 |
Yamaguchi | Kaikyou-messe (Yamaguchi, Online) (Primary: On-site, Secondary: Online) |
Coordinated Control Scheme of Nullforming and Resource Allocation for Coverage Expansion in Integrated HAPS-Terrestrial Networks Tsutomu Ishikawa, Koji Tashiro, Koichi Maki, Kenji Hoshino (SoftBank Corp.) |
(To be available after the conference date) [more] | |
| NS, RCS (Joint) |
2024-12-19 11:20 |
Hokkaido | Hakodate Arena + Online (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
Downtilt Optimization of Array Antennas for HAPS Service Links Based on Envelope Radiation Patterns Koichi Maki, Koji Tashiro, Tsutomu Ishikawa, Kenji Hoshino (SoftBank)  RCS2024-179 |
There has been a growing interest in high altitude platform stations (HAPSs) because they are expected to extend the cov... [more] | RCS2024-179 pp.25-30 |
| RCC, RCS, SeMI, NS, SR, RISING (Joint) |
2024-07-18 10:15 |
Hokkaido | Hokkaido Citizens Activities Promotion Center (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
Experimental Evaluation of Air-Ground Spectrum Sharing Scheme Based on Nullforming Techniques Koji Tashiro, Tsutomu Ishikawa, Kenji Hoshino, Atsushi Nagate (SoftBank) RCS2024-97 |
High-altitude platform stations (HAPSs) have attracted significant attention as a leading technology to provide an exten... [more] | RCS2024-97 pp.64-69 |
| SIP, IT, RCS | 2024-01-19 11:20 |
Miyagi | (Miyagi, Online) (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 (Fukuoka, 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 (Nagano, 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 (Hokkaido, 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 (Shimane, 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 (Shimane, 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 (Tokyo, 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 |
| SR, UWT (Joint) |
2023-01-26 14:10 |
Tokyo | Takanawa Campus, Tokai Univ. (Tokyo, Online) (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 |
| RCS, AP, UWT (Joint) |
2022-11-17 15:25 |
Fukuoka | Kyushu University, and Online (Fukuoka, 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 (Niigata, Online) (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] | |
| RCS | 2022-06-15 11:00 |
Okinawa | University of the Ryukyus, Senbaru Campus and online (Okinawa, 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 (Okinawa, 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) |
2022-03-04 16:15 |
Online | 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, SIP, IT | 2022-01-21 14:20 |
Online | Online (Online) | [Encouragement Talk]
Ultra-Wide Coverage and High-Capacity Massive MIMO System for High-Altitude Platform Stations Koji Tashiro, Kenji Hoshino, Atsushi Nagate (SoftBank) IT2021-79 SIP2021-87 RCS2021-247 |
Coverage extension to the sky, seas, and elsewhere is one of the important concepts of the 6th generation (6G) mobile co... [more] | IT2021-79 SIP2021-87 RCS2021-247 p.288 |
| CQ, ICM, NS, NV (Joint) |
2021-11-25 13:45 |
Fukuoka | JR Hakata Stn. Hakata EkiHigashi Rental Room (Fukuoka, Online) (Primary: On-site, Secondary: Online) |
[Invited Talk]
R&D of HAPS Mobile Communication Systems Kenji Hoshino, Yoshichika Ota, Atsushi Nagate (SoftBank) NS2021-82 CQ2021-66 ICM2021-20 |
The High Altitude Platform Station (HAPS), which covers an ultra-wide area from the stratosphere at an altitude of about... [more] | NS2021-82 CQ2021-66 ICM2021-20 p.1(NS), p.17(CQ), p.1(ICM) |
| RCS | 2021-10-22 10:00 |
Online | 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 (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 |
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