Kato Laboratory, Tohoku University, Japan

Mashiko (M2) made a presentation entitled “FSO/RF Link Assignment for GEO-Relayed Inter-LEO Constellation Connectivity”, Kubota (B4) made a presentation entitled “A Multi-Agent Reinforcement Learning Approach for Wide-Area Optimization of Frequency Resource Allocation in Satellite-Ground Links”, and Chiba (B4) made a presentation entitled “DQN-based Sequential Control of Bundle Transfer Order in Relay-assisted LEO Satellite Constellation Collaboration Systems” at Technical Committee on Satellite Communications, that was held in Kurume, Okinawa, Japan in Feb. 2026.

Mashiko (M2) made a presentation entitled “GEO-Relayed Inter LEO Satellite Constellations Connection Scheduling with Hybrid FSO/RF Communications” at IEEE Consumer Communications & Networking Conference 2026, that was held in Las Vegas, USA in Jan. 2026.

Nagano (M1) made a presentation entitled “Consideration of Low-Latency for Real-Time Communication with MEC-Enabled Satellites”, Yatame (M1) made a presentation entitled “Satellite-Ground Diversity-Aware Path Selection Scheme in Optical LEO Satellite Constellations” at Space Sciences and Technology Conference that was held in Sapporo, Hokkaido from Nov. 25th to 28th, 2025.

Kuwahara (M1) made a presentation entitled “Proposal for Optimal Selection of APs Participating in the Coordination to Improve Performance in Multi-AP Coordination” and Shoji (M1) made a presentation entitled “A Link-Specific AP Selection for Multi-Link Operation in Multi-AP Coordination Systems” and Ishikawa (B4) made a presentation entitled “Experimental Evaluation of Frequency Characteristics of Intelligent Reflecting Surface” and Ueno (B4) made a presentation entitled “Experimental Evaluation of Incident and Reflection Angle Error Estimation for Intellignent Reflecting Surface via Two-Step Beam Scanning” at Technical Committee on Radio Communication Systems, that was held in Matsuyama, Ehime, Japan in Nov. 2025.