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All Technical Committee Conferences  (Searched in: Recent 10 Years)

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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 29  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
SANE, SAT
(Joint)
2025-03-06
13:00
Okinawa Nago Civic Hall 【Tour in March 7th】 (Okinawa, Online)
(Primary: On-site, Secondary: Online)
Early Commercialization and System Evolution for HAPS Direct-to-Mobile-Phone Service -- Communication priority control in feeder link --
Munehiro Matsui, Hisayoshi Kano, Tomohiro Tokuyasu (NTT), Yuki hokazono, Yuta Tanizaki, Kenji Fukasawa (NTT docomo), Sunao Toya, Yoshihisa Kishiyama (Space compass), Fumihiro Yamashita (NTT)
(To be available after the conference date) [more]
AP, SANE, SAT
(Joint)
2024-07-25
11:50
Hokkaido Frontier Research in Applied Sciences Building, Hokkaido University (Hokkaido, Online)
(Primary: On-site, Secondary: Online)
Evaluating Inter and Intra-System Interference in HAPS and 5G Coexistence at 2 GHz using 3D Cell Control Technology
Yuto Muroki, Yuki Hokazono, Hinata Kohara, Atsunori Shimamura, Ozono Suzuki, Hirofumi Nakajo, Kenji Fukasawa (NTT DOCOMO), Hiromu Kitanozono (SKY Perfect JSAT) SAT2024-23
We focus on the provision of communication areas from the sky by satellites and high-altitude platform stations (HAPSs) ... [more] SAT2024-23
pp.46-51
AP, SANE, SAT
(Joint)
2024-07-25
12:10
Hokkaido Frontier Research in Applied Sciences Building, Hokkaido University (Hokkaido, Online)
(Primary: On-site, Secondary: Online)
Evaluating Inter and Intra-System Interference in HAPS and 5G Coexistence at 38 GHz using 3D Cell Control Technology
Yuki Hokazono, Yuto Muroki, Atsunori Shimamura, Hinata Kohara, Megumi Ozono, Hirofumi Nakajo, Kenji Fukasawa (NTT DOCOMO INC.), Hiromu Kitanozono (SKY Perfect JSAT) SAT2024-24
The utilization of the wideband 38 GHz frequencies, as allocated at the 2019 World Radiocommunication Conference(WRC–19)... [more] SAT2024-24
pp.52-57
AP, SANE, SAT
(Joint)
2024-07-26
13:50
Hokkaido Frontier Research in Applied Sciences Building, Hokkaido University (Hokkaido, Online)
(Primary: On-site, Secondary: Online)
Traffic-control method taking into account QoS in non-terrestrial networks linking GEO satellites to HAPSs
Hisayoshi Kano, Munehiro Matsui, Takahiro Ohno, Jun-ichi Abe, Fumihiro Yamashita (NTT), Yuki Hokazono, Hinata Kohara, Kenji Fukasawa (NTTdocomo) SAT2024-31
 [more] SAT2024-31
pp.89-94
RCS 2024-06-19
14:35
Okinawa (Okinawa, Online)
(Primary: On-site, Secondary: Online)
Autonomous Decentralized User Association Method to Maximize System-Level Throughput Satisfaction Rate in Co-existing Networks with HAPS and Terrestrial BSs
Shoki Ikeda, Takanori Hara (Tokyo Univ. of Science), Yuki Hokazono, Satoshi Suyama, Satoshi Nagata (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2024-39
This paper proposes an autonomous decentralized user association method for the networks where the high altitude platfor... [more] RCS2024-39
pp.64-70
RCS 2024-06-19
14:45
Okinawa (Okinawa, Online)
(Primary: On-site, Secondary: Online)
Inter-Network Interference Coordination Using Protected Band in Co-existing Networks with HAPS and Terrestrial BSs
Ryotaro Tsutsui, Takanori Hara (Tokyo Univ. of Science), Yuki Hokazono, Satoshi Suyama, Satoshi Nagata (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2024-40
In this paper, we propose an inter-network interference coordination method using protected bands in the downlink of a n... [more] RCS2024-40
pp.71-76
SAT, SANE
(Joint)
2024-02-08
14:40
Kagoshima AmaHome PLAZA (Amami City Shimin Koryu Center) (Kagoshima, Online)
(Primary: On-site, Secondary: Online)
MEC content exchange control to reduce traffic on feeder link in non-terrestrial networks.
Munehiro Matsui, Kano Hisayoshi, Junichi Abe (NTT), Yuki Hokazono, Atsushi Minokuchi, Kenji Fukasawa (NTT docomo), Fumihiro Yamashita (NTT) SAT2023-64
This paper presents a study of reducing traffic flowing on a feeder link in NTN using multi-access edge computing (MEC).... [more] SAT2023-64
pp.27-32
NS, RCS
(Joint)
2023-12-15
09:00
Fukuoka Kyushu Institute of Technology Tobata campus, and Online (Fukuoka, Online)
(Primary: On-site, Secondary: Online)
Development of 38GHz-band Wireless Communication System Using High-Altitude Platform Station (HAPS) for 5G Network -- Experiments to Verify Handover Delay Requirements for Collaboration between HAPS and Terrestrial System --
Yuto Muroki, Yuki Hokazono, Hinata Kohara, Atsunori Shimamura, Kenji Fukasawa (NTT DOCOMO), Jun Suzuki, Hiromu Kitanozono (SKY Perfect JSAT) RCS2023-192
We are focusing on the provision of communication areas from the sky by High-Altitude Platform Stations (HAPSs) to reali... [more] RCS2023-192
pp.76-81
RCS 2023-10-20
11:50
Kagawa Kagawa University (Saiwai-cho Campus), and online (Kagawa, Online)
(Primary: On-site, Secondary: Online)
Development of Extreme Coverage Communication System Extended by Non-Terrestrial Network (NTN) -- Evaluation of 2-GHz Band Interference between HAPS and Ground Systems in Several Frequency Modes --
Yuto Muroki, Yuki Hokazono, Hinata Kohara, Atsunori Shimamura, Kenji Fukasawa (NTT DOCOMO), Hisayoshi Kano, Munehiro Matsui, Junichi Abe, Fumihiro Yamashita (NTT) RCS2023-144
We are focusing on the provision of communication areas from the sky by satellites and High-Altitude Platform Stations (... [more] RCS2023-144
pp.79-84
AP, SANE, SAT
(Joint)
2023-07-13
11:00
Hokkaido The Citizen Activity Center (Hokkaido, Online)
(Primary: On-site, Secondary: Online)
38GHz-band radio propagation measurement from lower stratosphere actualizing HAPS communication system
Yuki Hokazono, Hinata Kohara, Yuto Muroki, Kenzi Fukasawa (NTT DOCOMO), Jun Suzuki, Hiromu Kitanozono (SKY Perfect JSAT) SAT2023-17
High-altitude platform stations (HAPSs) using broadband millimeter waves promise to enable the timely provisioning of th... [more] SAT2023-17
pp.41-46
AP, SANE, SAT
(Joint)
2023-07-13
11:20
Hokkaido The Citizen Activity Center (Hokkaido, Online)
(Primary: On-site, Secondary: Online)
Evaluation of 38GHz-Band interference avoidance and rain attenuation compensation technology actualizing HAPS communication system
Hinata Kohara, Yuki Hokazono, Yuto Muroki, Kenji Fukasawa (NTT DOCOMO), Jun Suzuki, Hiromu Kitanozono (SKY Perfect JSAT) SAT2023-18
We are focusing on the provision of communication areas from the sky by satellites and High-Altitude Platform Stations (... [more] SAT2023-18
pp.47-52
AP, SANE, SAT
(Joint)
2023-07-13
11:40
Hokkaido The Citizen Activity Center (Hokkaido, Online)
(Primary: On-site, Secondary: Online)
Development of Extreme Coverage Communication System Extended by Non-Terrestrial Network (NTN) -- Evaluation of 2GHz-Band Interference Avoidance and Rain Attenuation Compensation Technology Actualizing HAPS Communication System --
Yuto Muroki, Yuki Hokazono, Hinata Kohara, Kenji Fukasawa (NTT DOCOMO), Hisayoshi Kano, Munehiro Matsui, Junichi Abe, Fumihiro Yamashita (NTT) SAT2023-19
We are focusing on the provision of communication areas from the sky by satellites and High-Altitude Platform Stations (... [more] SAT2023-19
pp.53-58
AP, SANE, SAT
(Joint)
2023-07-13
12:00
Hokkaido The Citizen Activity Center (Hokkaido, Online)
(Primary: On-site, Secondary: Online)
Development of extreme coverage communication system extended by Non-Terrestrial Network (NTN) -- Evaluation of routing method in transparent relay --
Hisayoshi Kano, Munehiro Matsui, Jun-ichi Abe, Fumihiro Yamashita (NTT), Yuki Hokazono, Hinata Kohara, Kenji Fukasawa (NTT DOCOMO) SAT2023-20
NTT has been proposing an IOWN space integrated computing network concept. We focus on coverage extension using non-terr... [more] SAT2023-20
pp.59-64
RCS, AP, UWT
(Joint)
2022-11-17
13:05
Fukuoka Kyushu University, and Online (Fukuoka, Online)
(Primary: On-site, Secondary: Online)
[Invited Lecture] Extreme coverage extension in 5G Evolution & 6G: Multi-layered non-terrestrial networks integrating terrestrial networks
Yuki Hokazono, Hinata Kohara, Yuto Muroki, Kenji Fukasawa, Yoshihisa Kishiyama, Satoshi Nagata (NTT DOCOMO, INC.) AP2022-167 RCS2022-178
Non-terrestrial networks (NTNs) are promising to actualize extreme coverage extension whereby mobile communications can ... [more] AP2022-167 RCS2022-178
p.115(AP), p.136(RCS)
RCS 2022-10-28
11:20
Ehime Ehime University, and online (Ehime, Online)
(Primary: On-site, Secondary: Online)
Transmission experiment with delay generator for realization of HAPS network
Hinata Kohara, Yuki Hokazono, Yuto Muroki, Kenji Fukasawa, Yoshihisa Kishiyama (NTT DOCOMO), Jun Suzuki, Hiromu Kitanozono (SKY Perfect JSAT) RCS2022-146
We are focusing on the provision of communication areas from the sky by satellites and High-Altitude Platform Stations (... [more] RCS2022-146
pp.89-94
SAT, KOSST 2022-10-07
15:05
Fukuoka (Fukuoka, Online)
(Primary: On-site, Secondary: Online)
Development of extreme coverage communication system extended by non-terrestrial network -- End-to-end route management based on QoS of user equipment --
Munehiro Matsui, Hisayoshi Kano, Junichi Abe (NTT), Yuki Hokazono, Atsushi Minokuchi, Yoshihisa Kishiyama (NTT DOCOMO), Fumihiro Yamashita (NTT) SAT2022-54
This report presents a routing management scheme, which manages the end-to-end route on the basis of the QoS of UE, to m... [more] SAT2022-54
pp.50-54
SAT, RCS
(Joint)
2022-08-25
16:40
Hokkaido (Hokkaido, Online)
(Primary: On-site, Secondary: Online)
[Encouragement Talk] Development of extreme coverage communication system extended by Non-Terrestrial Network(NTN) -- UE availability evaluation during rainfall --
Hisayoshi Kano, Munehiro Matsui, Jun-ichi Abe (NTT), Yuki Hokazono, Hinata Kohara, Yoshihisa Kishiyama (NTTdocomo), Fumihiro Yamashita (NTT) SAT2022-37
NTT has been proposing an IOWN space integrated computing network concept. We focus on coverage extension using non-terr... [more] SAT2022-37
pp.48-53
SAT, SANE
(Joint)
2022-02-24
10:55
Online Online (Online) Development of extreme coverage communication system extended by Non-Terrestrial Network(NTN) -- A proposal on a routing algorithm that determines the optimal data transfer route by calculating the congestion degree and delay time --
Hisayoshi kano, Munehiro Matsui, Jun-ichi Abe (NTT), Yuki Hokazono, Hinata Kohara, Yoshihisa Kishiyama (NTTドコモ), Fumihiro Yamashita (NTT) SAT2021-56
NTT has been proposing an IOWN space integrated computing network concept. Extreme coverage communication systems consis... [more] SAT2021-56
pp.19-24
RCS, SAT
(Joint)
2021-08-26
15:15
Online Online (Online) [Invited Lecture] Development of HAPS Backhaul System using mmWave Frequency -- HAPS as a NTN System for 5G and Beyond --
Hiromu Kitanozoo, Jun Suzuki (SJC), Yoshihisa Kishiyama, Yuki Hokazono (NTT DOCOMO), Takayuki Sotoyama, Mikihiro Ouchi (Panasonic), Ryu Miura, Hiroyuki Tsuji (NICT) SAT2021-30 RCS2021-105
In order to support the mid-2020 and beyond, the development of high-speed, high-capacity wireless communication systems... [more] SAT2021-30 RCS2021-105
pp.14-19(SAT), pp.32-37(RCS)
RCS, SAT
(Joint)
2021-08-26
15:40
Online Online (Online) [Invited Lecture] Beyond 5G and 6G for extreme coverage extension: Non-Terrestrial Network trends and performance evaluation of HAPS
Yuki Hokazono, Yoshihisa Kishiyama, Takahiro Asai (NTT DOCOMO INC.) SAT2021-31 RCS2021-106
In Beyond 5G & 6G era, extreme coverage extension is being studied for use cases in all places including air, sea, and s... [more] SAT2021-31 RCS2021-106
p.20(SAT), p.38(RCS)
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