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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 15 of 15  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
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
AP, SANE, SAT
(Joint)
2022-07-28
09:25
Hokkaido Asahikawa Taisetsu Crystal Hall
(Primary: On-site, Secondary: Online)
A Study on Transmission Power Control for Efficient Two-Way Relay Communication with High-Altitude Platform Station in Space-Air-Ground Integrated Networks
Masaki Takahashi, Yuichi Kawamoto, Nei Kato (Tohoku Univ.) SAT2022-21
Space-air-ground integrated networks (SAGINs) are going to be a key technology of 6G for achieving the goal of global an... [more] SAT2022-21
pp.24-29
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
RCC, WBS, SAT, MICT 2022-05-26
15:00
Online Online Development of 38GHz-band Wireless Communication System Using High Altitude Platform Station (HAPS) for 5G Network -- Fundamental Experiment on Tracking System for HAPS Ground Station in Millimeter-Wave --
Go Otsuru, Hiroyuki Tsuji, Yuma Abe, Mariko Sekiguchi, Ryu Miura, Takuya Okura, Tomoshige Kan, Takashi Matsuda (NICT), Jun Suzuki (SKY Perfect JSAT), Yoshihisa Kishiyama (NTT DOCOMO) WBS2022-9 RCC2022-9 SAT2022-9 MICT2022-9
In this paper, we propose a tracking system for high-altitude platform station (HAPS) ground station in millimeter-wave ... [more] WBS2022-9 RCC2022-9 SAT2022-9 MICT2022-9
pp.40-45
RCS, SIP, IT 2022-01-21
14:20
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
(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)
AP, RCS
(Joint)
2021-11-10
13:30
Nagasaki NBC-Bekkan (Nagasaki)
(Primary: On-site, Secondary: Online)
[Invited Lecture] A Study on Interference Canceller for HAPS Feeder Links with Multi-Gateways under Multiple-Path Environment
Takafumi Fujii, Yoshichika ohta (Softbank.corp) AP2021-101 RCS2021-148
HAPS (High Altitude Platform Station), which is a stratosphere platform around 20Km altitude, cellular communication ser... [more] AP2021-101 RCS2021-148
pp.3-9(AP), pp.21-27(RCS)
RCS, SAT
(Joint)
2021-08-26
11:50
Online Online Two-Stage Precoding with Null-Steering for Spectrum Sharing between HAPS and Terrestrial Systems
Koji Tashiro, Kenji Hoshino, Atsushi Nagate (SoftBank) RCS2021-101
Coverage extension to the sky, seas, and mountains is one of the important concepts of the sixth generation (6G) mobile ... [more] RCS2021-101
pp.13-18
RCS 2021-06-25
15:00
Online Online Null-Steering Technique in HAPS Systems for Spectrum Sharing with Terrestrial Mobile Networks
Koji Tashiro, Kenji Hoshino, Atsushi Nagate (SoftBank) RCS2021-75
Coverage extension to the sky, seas, and mountains is one of the important concepts of the sixth generation (6G) mobile ... [more] RCS2021-75
pp.267-272
RCS 2020-10-23
11:15
Online Online Cylindrical Massive MIMO System for Ultra-Wide Coverage and High-Capacity HAPS
Koji Tashiro, Kenji Hoshino, Atsushi Nagate (SoftBank) RCS2020-105
The coverage extension to the sky, seas, and mountains is one of the important concepts of the 6th generation mobile com... [more] RCS2020-105
pp.69-74
AP, WPT
(Joint)
2020-01-24
09:25
Kagawa Sunport Hall Takamatsu [Invited Lecture] Measurement and Analysis of Clutter Loss at High Elevation Angles for HAPS Communications in urban environment
Akihiro Sato, Sho Kimura, Hideki Omote (Softbank) AP2019-166
HAPS, the High-Altitude Platform Station that provides communications services from altitudes of around 20 km via an Unm... [more] AP2019-166
pp.87-92
AP, RCS
(Joint)
2019-11-21
11:45
Saga Saga Univ. A Study on MIMO Interference Canceller for Reverse Link in HAPS Multipe Gateways System
Takafumi Fujii, Yoshichika Ohta (HAPSMobile) RCS2019-219
HAPS (High Altitude Platform Station), which is a stratosphere platform around 20Km altitude, cellular communication ser... [more] RCS2019-219
pp.97-102
RCS, AP
(Joint)
2018-11-22
09:30
Okinawa Okinawa Industry Support Center A Study on Efficient Spectrum Utilization for Feeder Link using Multipe Gateways in HAPS System
Takafumi Fujii, Yoshichika Ohta (HAPSmobile) RCS2018-203
HAPS (High Altitude Platform Station), which is a stratosphere platform around 20Km altitude, cellular communication ser... [more] RCS2018-203
pp.143-148
SAT, WBS
(Joint)
2008-05-27
14:50
Chiba Nihon Univ. (Tsudanuma) Performance Evaluations of Mobile Communication Employing HAPS under LOS and Shadowing Conditions in Urban Areas
Kong Marry, Shigeru Shimamoto (Waseda Univ.) SAT2008-5
In this paper, we evaluate the communication
performance between HAPS as a base station and mobile users
moving in cit... [more]
SAT2008-5
pp.25-30
SANE 2005-01-28
16:05
Tokyo Kikai-Shinko-Kaikan Bldg. Initial results of the earth observation mission for SPF-II (HRS)
Marehito Kasahara, Yoshihiko Okamura, Hiroko Matsuyama, Shigeomi Yoshida, Yoshio Tange (JAXA)
The test flight of ths Station-keeping test airship(SPF-?) was conducted in 2004 for the realization of Stratospheric Pl... [more] SANE2004-84
pp.41-46
 Results 1 - 15 of 15  /   
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