Kato Laboratory, Tohoku University, Japan

The graduation ceremony of Tohoku University was held on Mar. 25, 2026. Kazuma Mashiko (M2) was awarded the President’s Award of Tohoku University, and Reham Wafaee Ibrahim (D3) was awarded the Dean Award of the Graduate School of Information Sciences (GSIS) of Tohoku University. These awards are selected from 150 students of the GSIS doctor and master courses. The President’s Award is given to 2 students and the Dean Award is given to 4 students.

Asst. Prof. Hashida made a presentation entitled “Stacked Intelligent Metasurface-assisted Hierarchical Rate Splitting Multiple Access”, Hinohara (M2) made a presentation entitled “Resource Control Considering Non-Coordinated AP/STA in WLAN with Multi-AP Coordination”, Hinonishi (M1) made a presentation entitled “Snell-Guided Coverage Estimation Model for Optimal Static Metasurface Design”, Nagano (M1) made a presentation entitled “Communication Control for Enhancing the Accuracy of Event Analysis on Satellite-Based Moon-to-Earth Digital Twin System”, and Chiba (B4) made a presentation entitled “A Study on DQN-based Sequential Control of Bundle Transfer Order in LEO Satellite Constellation Collaboration Systems via GEO Satellites” at Technical Committee on Satellite Communications, that was held in Fukuoka, Japan in Mar. 2026.

Hinonishi (M1) made a presentation entitled “Snell-Guided Coverage Estimation Model for Optimal Static Metasurface Design” at Technical Committee on Radio Communication Systems, that was held in Katsushika, Tokyo, Japan in Mar. 2026.

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.