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Maehara Lab
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The lab studies the wireless networks that support mobile phones and wireless LANs.
AboutAbout the lab
Making wireless and ubiquitous a reality
The Maehara Lab studies wireless network technologies that support wireless services such as mobile phones, wireless LANs, digital broadcasting, and ITS.
View More ↗NewsLab news
A student received the Department Award of the Department of Computer Science and Communications Engineering
A student received the Dean's Award of the School of Fundamental Science and Engineering
A student received a Young Researcher Encouragement Award at VTC2025-Fall
A student received the Department Award of the Department of Computer Science and Communications Engineering
A student's paper received the Best Student Award at IEICE ICETC
ResearchResearch themes
*Illustrative imageWireless Communication from Satellites and the Sky
In communication using low-Earth-orbit satellites and drones, radio waves propagate differently than on the ground. The lab investigates how to choose precoding (signal pre-processing for transmitting to multiple users at the same time) and how the height and number of base stations affect communication performance.
*Illustrative imageMultiplexing with Radio Wave Vortices
When radio waves are given a twist like a "vortex," multiple signals can be overlaid and sent on the same frequency. Using this orbital angular momentum (OAM) multiplexing, the lab studies methods to suppress interference caused by beam misalignment and reflections.
*Illustrative imageUsing Limited Radio Spectrum Efficiently
Because many devices share the same radio spectrum, the lab explores methods for using it efficiently, such as resource allocation that combines non-orthogonal multiple access (NOMA) with conventional schemes, and transmission methods that combine OFDM and FBMC.
MembersFaculty
The Maehara Lab consists of faculty, visiting researchers, and doctoral, master's, and undergraduate students.As of 2026
- ProfessorFumiaki Maehara
VoicesStudent voices
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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: “Advanced Technology Demonstrator radar antenna array 01” NOAA / Public domain (cropped)
- Wireless Communication from Satellites and the Sky: “Starlink Mission ( )” Official SpaceX Photos / CC0 (cropped)
- Multiplexing with Radio Wave Vortices: “Twisted light generated in a plasma” epp.golp / CC BY-SA 4.0 (cropped)
- Using Limited Radio Spectrum Efficiently: “January 2016 Spectrum Wall Chart” National Telecommunications and Information Administration / Public domain (cropped)
- Related lab (Wen Lab): “Navigation Technology Satellite – II” U.S. Navy / Public domain (cropped)
- Related lab (Liu Lab): “Zoox Toyota Highlander Test Vehicle - Sensor Closeup - San Francisco, May 2025 07” 9yz / CC BY 4.0 (cropped)
- Related lab (Katto Lab): “Studio A broadcast area ( )” Atomic Taco from Seattle, WA, USA / CC BY-SA 2.0 (cropped)
- Related lab (Nakazato Lab): “Network cables in server room” ProjectManhattan / CC BY-SA 3.0 (cropped)
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