IEICE Technical Report

Online edition: ISSN 2432-6380

Satellite Telecommunications

Workshop Date : 2026-02-19 - 2026-02-20 / Issue Date : 2026-02-12

SAT2025-62
DQN-based Sequential Control of Bundle Transfer Order in Relay-assisted LEO Satellite Constellation Collaboration Systems
Ryohei Chiba, Hiroaki Hashida, Yuichi Kawamoto, Nei Kato (Tohoku Univ.), Yohei Hasegawa, Masayuki Ariyoshi (NEC/Tohoku Univ.)
pp. 1 - 6

SAT2025-63
FSO/RF Link Assignment for GEO-Relayed Inter-LEO Constellation Connectivity
Kazuma Mashiko, Hiroaki Hashida, Yuichi Kawamoto, Nei Kato (Tohoku Univ.), Yohei Hasegawa, Masayuki Ariyoshi (NEC/Tohoku Univ.)
pp. 7 - 12

SAT2025-64
A Multi-Agent Reinforcement Learning Approach for Wide-Area Optimization of Frequency Resource Allocation in Satellite-Ground Links
Nao Kubota, Hiroaki Hashida, Yuichi Kawamoto, Nei Kato (Tohoku Univ.), Yohei Hasegawa, Masayuki Ariyoshi (NEC)
pp. 13 - 18

SAT2025-65
Spoofing Assessment and Accuracy Verification Using Surrounding AIS Position Information in SPAISE3 Observations over the Asian Ocean Region
Daichi Hirahara (JAXA)
pp. 19 - 24

SAT2025-66
Prediction of Short-term Rain Attenuation Considering Rainfall on Propagation Path at Locations with Different Rainfall Rate
Ryota Akiyama, Masashi Kamei (NHK)
pp. 25 - 29

SAT2025-67
[Invited Talk] An Onboard Computing Initiative in Satellite Networks
Nabar Tsog, Shigenori Tani, Kensuke Kikuchi (MELCO)
pp. 30 - 31

SAT2025-68
[Invited Talk] Monitoring of the Electromagnetic Spectrum in Space Domain -- SATCOM-SA and Cislunar SDA --
Hisaaki Sasaki (MCC)
pp. 32 - 37

SAT2025-69
Evaluation of Uplink Communication Schemes in Low-EIRP Regions for NTN Systems
Yuta Takahashi, Tomohiro Matsuyama, Yuki Hokazono, Hisayoshi Kano (NTT DOCOMO)
pp. 38 - 43

SAT2025-70
Next-Generation Forward Error Correction-Coded Data Transmission Experiment for GEO Satellite-to-Ground Laser Communication Using LUCAS Onboard the Optical Data Relay Satellite
Hideaki Kotake, Yasuhiro Takahashi, Dimitar Kolev (NICT), Yohei Satoh, Takamasa Itahashi, Shiro Yamakawa (JAXA), Eiji Okamoto (NITech), Amane Miura, Morio Toyoshima (NICT)
pp. 44 - 49

SAT2025-71
Advances in TN-NTN Integrated Network Control Architecture
Ved P. Kafle, Mariko Sekiguchi, Go Otsuru, Hitoshi Asaeda, Hiroaki Harai (NICT)
pp. 50 - 55

SAT2025-72
Measurement of attenuation due to leaves in satellite mobile propagation
Takahashi Takashi, Byeongpyo Jeong, Tsuji Hiroyuki, Miura Amane (NICT)
pp. 56 - 59

SAT2025-73
A study on shadowing characteristics in mobile satellite communications -- Visualization of shadowing in Ka-band Mobile Satellite Communications --
Byeongpyo Jeong, Takashi Takahashi (NICT), Kaito Sugiyama, Gosei Hashimoto (SED), Hiroyuki Tsuji, Amane Miura (NICT)
pp. 60 - 65

SAT2025-74
Demonstration experiment of 26 GHz band HAPS feeder link wireless relay system
Yuki Takagi, Kazuki Matsuura, Mitsukuni Konishi, Yoshichika Ohta (SB)
pp. 66 - 71

SAT2025-75
Optimization of Beam Number and Beam Radius for Throughput Maximization in a HAPS Multi-Beam Communication System under Disaster Conditions
Ibuki Shimabukuro, Katsuya Nakahira (NIT, Okinawa College)
pp. 72 - 77

SAT2025-76
[Short Paper] Antennas using resonant phenomena -- Transmit power --
Kazuyuki Ouchi (WDL)
pp. 78 - 80

SAT2025-77
[Short Paper] Study on Simplifying Pattern Analysis for Large-Scale Array Antennas Using Formation Flying of Multiple Ultra-Small Satellites
Akihiro Tatsuta, Minoru Okada (NAIST)
pp. 81 - 83

SAT2025-78
Superposed Transmission Scheme of CDMA Signal over OFDM Signal with LDPC Coding
Sana Kagaya, Takatoshi Sugiyama (Kogakuin Univ.)
pp. 84 - 88

SAT2025-79
Design and evaluation of a pollen sprayer for honeybee drone
Kazuki Yugi, Keitaro Uchida, Akihiro Miyasaka (TCU)
pp. 89 - 93

SAT2025-80
Propagation simulation of S-band inter-satellite communications for Ultra-Small Satellites Formation Flight
Kaito Terasaka, Takana Kaho (Shonan Institute of Tech.), Atsushi Noda, Sumio Morioka, Takahiro Inagawa (IST)
pp. 94 - 97

SAT2025-81
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. 98 - 101

SAT2025-82
Investigation of an RF Front-End for Ultra-Small Satellite Formation Flying
Koji Matsunaga, Shotaro Mizuno, Takana Kaho (SIT), Atsushi Noda, Sumio Morikawa, Takahiro Inagawa (IST)
pp. 102 - 107

SAT2025-83
Evaluation of Commercial Off-the-Shelf RF Modules for Formation Flying of Ultra-Small Satellites via Connectivity Testing
Takahiko Mori, Korehito Suzaki, Takana Kaho, Yusei Sato (Shonan Institute of Tech.), Atushi Noda, Sumio Morioka, Takahiro Inagawa (IST)
pp. 108 - 112

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