IEICE Technical Report

Online edition: ISSN 2432-6380

Satellite Telecommunications

Workshop Date : 2026-08-27 - 2026-08-28 / Issue Date : 2026-08-20

SAT2026-34
Comparison of Simulation Methods for Inter-Satellite Communications for Ultra-Small Satellites Formation Flight
Kaito Terasaka, Takana Kaho (SIT), Atsushi Noda, Sumio Morioka, Takahiro Inagawa (IST)
pp. 1 - 4

SAT2026-35
Application Study of Inter-Satellite All-Optical Networks to Mid-Scale Satellite Constellation
Hideaki Kotake, Shoichiro Oda, Anthony Brasi, Satoshi Shinada, Toshimasa Umezawa, Yusuke Hirota, Dimitar Kolev, Amane Miura (NICT)
pp. 5 - 10

SAT2026-36
Multi-Beam Control for Enhanced Communication Efficiency in a Low Earth Orbit Satellite Communication System Equipped with a Reconfigurable Reflectarray Antenna
Masaki Saito, Takanori Hara, Hiroaki Hashida, Yuichi Kawamoto, Nei Kato (Tohoku Univ.), Kohei Yoshida (NEC), Masayuki Ariyoshi (NEC/Tohoku Univ.)
pp. 11 - 16

SAT2026-37
Research and Development of an Integrated Network Control System for Inter-Operator Coordination among Multiple Satellite Systems
Go Otsuru, Mariko Sekiguchi, Yuma Abe (NICT)
pp. 17 - 22

SAT2026-38
[Invited Talk] Satellite Communications in SAR Systems: Current Practices and Challenges
Yoshitaka Kamijo (Synspective)
p. 23

SAT2026-39
[Invited Talk] Wireless Communications in Data Collection Fields in the AI Era: Current Status and Challenges
Koji Suga (OST)
pp. 24 - 28

SAT2026-40
[Invited Lecture] Ground-Request-Driven Task-Oriented Information Transmission for Satellite Onboard Computing
Shunsuke Uehashi, Ayaka Sata, Kazuma Kaneko, Shigenori Tani (Mitsubishi Electric)
p. 29

SAT2026-41
Per-UE Mobility Control Based on CU-native Congestion Indicators in Integrated TN-NTN Networks
Yuta Takahashi, Shoki Ikeda, Tomohiro Matsuyama, Atsushi Yamamoto, Hisayoshi Kano (NTT DOCOMO)
pp. 30 - 35

SAT2026-42
Comparative Evaluation of Push-Type and Pull-Type OTA Using Commercially Available RF Modules for Ultra-Small Satellite Formation Flight
Yusei Sato, Takahiko Mori, Takana Kaho, Korehito Suzaki (SIT), Atushi Noda, Sumio Morioka, Takahiro Inagawa (IST)
pp. 36 - 41

SAT2026-43
Early Commercialization and System Evolution for HAPS Direct-to-Mobile-Phone Service -- Evaluation of Dynamic Gateway Selection for Q-Band Feeder Links Considering Rain Attenuation and Switching Outages in Multi-HAPS/Multi-GW Networks --
Yuto Muroki, Takuya Miyashita, Yoshihisa Kishiyama (Space Compass)
pp. 42 - 47

SAT2026-44
[Encouragement Talk] Impact on Regional Differences in Short-term Rain Attenuation Estimation Considering Rainfall Along Propagation Path
Ryota Akiyama, Masashi Kamei (NHK)
pp. 48 - 53

SAT2026-45
[Encouragement Talk] Fundamental Study on the Implementation of Inter-Satellite Communication Devices for Control of Ultra-Small Satellite Formation Flight
Atsushi Noda, Takahiro Inagawa, Sumio Morioka, (IST), Takana Kaho, Takahiko Mori (SIT)
pp. 54 - 57

SAT2026-46
[Invited Talk] A three-dimensional spatial cell configuration for mobile communication that shares the same frequency on the ground and in the air -- Expanding to a mobile radio relay from high altitude using UAVs/HAPS --
Teruya Fujii
p. 58

SAT2026-47
[Invited Talk] Research and Development for Practical Application of HAPS Communication Services
Yoshihisa Kishiyama (Space Compass)
p. 59

SAT2026-48
[Invited Lecture] Standardization and Regulatory Developments for NTN Deployment
Tatsuki Okuyama (MRI)
p. 60

SAT2026-49
[Invited Lecture] Early Commercialization and System Evolution for HAPS Direct-to-Mobile-Phone Service -- Activities Toward Practical Deployment, Band 34/n34 TDD Equipment Development, and System-Level Evaluation --
Yuki Itabashi, Daisuke Kurita, Yuki Hokazono, Atsunori Shimamura, Hirofumi Nakajo, Toshihiko Suzuki, Kenji Fukasawa (NTT DOCOMO)
p. 61

Note: Each article is a technical report without peer review, and its polished version will be published elsewhere.

The Institute of Electronics, Information and Communication Engineers (IEICE), Japan