## About Me I am currently pursuing a Ph.D. degree in the Department of Intelligent Information Engineering and Sciences, Doshisha University, Kyoto, Japan. Since April 2023, I have also been working as a communication systems engineer with Hitachi, Ltd., Japan. My research interests include random access protocols, irregular repetition slotted ALOHA, coded slotted ALOHA, multi-antenna reception, successive interference cancellation, coding theory, and wireless communication systems.
Random Access IRSA CSA SIC Multi-Antenna Density Evolution Spatial Coupling

Biography

Education, professional experience, and current research activities.

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Publications

Peer-reviewed papers and conference presentations.

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Repositories

Simulation and analysis code for random-access research.

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Recent News

10/2025 — The source code for Spatio-Temporal SIC-Based Slotted ALOHA with Multi-Antenna Reception was released on [GitHub](https://github.com/yuhei-takahashi/Multi-Antenna_SA). 03/2025 — A presentation on *Coded Slotted ALOHA over Rayleigh Block Fading Channels* was published on [YouTube](https://youtu.be/15SwQzBBuZs). 08/2024 — Our paper on SIC-Based Two-Device Slotted ALOHA was accepted to ISITA 2024.

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