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Yamamoto Lab
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The lab studies communication networks for IoT, video streaming, drones, and more.
AboutAbout the lab
Exploring communication networks, from IoT to drones
The Yamamoto Lab studies the communication networks used by IoT devices, video streaming, drones, and similar applications.
The topics are wide-ranging, including technologies that protect networks, communication control that raises the satisfaction users experience, and communication that allows multiple drones to fly in coordination.
The lab also works on ad hoc communication, in which devices relay data to one another like a bucket brigade in environments without infrastructure such as mobile phone base stations.
Key terms
- QoE
- Quality of Experience: the satisfaction and comfort that people using a service subjectively feel. It is distinct from QoS, which refers to performance measures such as communication speed.
- FANET
- Flying ad hoc network: a temporary, autonomous communication network formed by drones and other UAVs cooperating with one another.
- Graph neural networks
- A method that represents relationships between devices as a graph and learns both its structure and its time-series features.
NewsLab news
View More ↗ResearchResearch themes
The lab studies communication networks in settings such as IoT, video streaming, drones, and edge and fog computing. It explores next-generation communication mechanisms from the perspectives of security, users' quality of experience, autonomous mobility control, and efficient use of computing resources.
*Illustrative imageIoT and Network Security
As the number of IoT devices grows rapidly, cybersecurity threats are increasing. To address them, the lab uses machine learning, graph neural networks, trusted execution environments, and other techniques to study communication traffic analysis, advanced intrusion detection, and privacy-preserving obfuscation.
*Illustrative imageCommunication Control for Better Quality of Experience
For video streaming, online games, cloud gaming, and similar services, the lab studies dynamic resource allocation and automatic estimation techniques. These aim to maximize not only physical metrics such as bandwidth and latency, but also the quality of experience (QoE) that users subjectively perceive and their level of interest in videos.
*Illustrative imageAutonomous Drone Flight and Communication
For disaster relief and wide-area surveillance, the lab uses drones (UAVs) and flying ad hoc networks (FANETs). It studies algorithms and communication models that let multiple autonomous mobile robots search and communicate efficiently while working together.
*Illustrative imageEdge and Fog Computing and Next-Generation Networks
The lab studies ways to make next-generation communication and computing infrastructure more efficient. Topics include optimal task processing and gateway placement in mobile edge and fog computing, control of wireless network virtualization, traffic imputation using time-series AI, and indoor positioning technologies.
MembersFaculty
The members of the Yamamoto Lab consist of faculty, collaborating faculty and researchers, and master's and undergraduate students.As of 2026
- Associate ProfessorRyo Yamamoto
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Drone flying and surveying ( )” Oregon Department of Transportation / CC BY 2.0 (cropped)
- IoT and Network Security: “DMZ network diagram 2” Sangre viento at English Wikipedia / Public domain (cropped)
- Communication Control for Better Quality of Experience: “Google Stadia Cloud-gaming ( )” dronepicr / CC BY 2.0 (cropped)
- Autonomous Drone Flight and Communication: “Freedom Shield 26- OPFOR’s Drone Swarm (9564947)” U.S. Army National Guard photo by Sgt. Keith Allen / Public domain (cropped)
- Edge and Fog Computing and Next-Generation Networks: “FogComputing” Hany F. Atlam, Robert John Walters, Gary Wills / CC BY-SA 4.0 (cropped)
- Related lab (大坐畠 智 研究室): “Cellular network antenna mount Haringey London” Acabashi / CC BY-SA 4.0 (cropped)
- Related lab (栗原 正純 研究室): “Data storage mediums” Unnerving duck / CC0 (cropped)
- Related lab (石橋 功至 研究室): “LteMimoAntennen” BAZ Spezialantennen / CC BY 3.0 (cropped)
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