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Wireless Information and Communications Lab
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The lab measures and computes radio waves to protect the safety of people's daily lives.
AboutAbout the lab
Supporting people's lives and protecting their safety.
The Wireless Information and Communications Lab studies radio waves in order to support people's daily lives and protect their safety.
The lab is developing methods to investigate and evaluate the safety of implantable medical devices, such as pacemakers, when they are exposed to radio waves.
It also works on designing antennas that operate over a wide frequency range to enable high-capacity, ultra-high-speed communication.
In addition, the lab studies how to accurately estimate how radio waves propagate, using large-scale supercomputer simulations.
Key terms
- MIMO
- A technology that splits the data to be sent and transmits and receives it simultaneously with multiple antennas. It can send large amounts of data quickly.
- UWB
- A communication method that uses a wider range of frequencies than usual. It enables high-capacity, high-speed communication.
- Radio wave propagation
- How radio waves travel through space and inside buildings, and how they are reflected and weakened.
NewsLab news
A master's student won the Best Poster Award at PJWWRAT 2025
A doctoral student won the IEICE Communications Society Young Researcher's Encouragement Award
Doctoral and master's students won the Encouragement Award at the EMCJ Young Researchers' Presentation Meeting
A doctoral student won the EMCJ Young Researcher Excellence Award
Doctoral and master's students won the Young Researcher Outstanding Paper Presentation Award at the Joint Convention of Institutes of Electrical and Information Engineers, Hokkaido Branch
ResearchResearch themes
As the number of devices that use radio waves keeps growing, the lab studies safe ways to use radio waves and technologies that support high-capacity, high-speed wireless communication. It carries out evaluation through both experiments in an anechoic chamber and supercomputer simulations.
*Illustrative imageRadio Wave Safety of Implantable Medical Devices
With the spread of 5G and IoT, the number of devices that use radio waves in everyday environments is steadily increasing. The lab continues to investigate and study the effects on people who have implantable medical devices. It also evaluates the safety of new wireless systems, such as wireless power transfer, for people near the equipment.
*Illustrative imageAntenna Design for Next-Generation Communications
The lab designs ultra-wideband antennas suited to UWB and MIMO, which are used for high-capacity, high-speed communication. Its work includes research on applying leaf-shaped bowtie antennas to MIMO antennas and on enabling rectangular loop antennas to operate at two frequencies.
*Illustrative imageRadio Wave Propagation Estimation with Large-Scale Computers
The inside of an aircraft is an environment enclosed by metal on all sides, with multiple reflections, which makes the electromagnetic field distribution complex. Using supercomputer simulations, the lab accurately evaluates how radio waves propagate inside aircraft and high-speed trains, as well as indoors in 5G environments.
MembersFaculty
The members of the Wireless Information and Communications Lab are faculty and students in the working-professional doctoral, doctoral, master's, and undergraduate programs.As of 2026
- Associate ProfessorManabu Yamamoto
- Associate ProfessorTakashi Hikage
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: “3D-printed antenna ( )” European Space Agency / CC BY-SA 2.0 (cropped)
- Radio Wave Safety of Implantable Medical Devices: “Emc room” Eng.mansouri / CC BY-SA 3.0 (cropped)
- Antenna Design for Next-Generation Communications: “E-Z-O Antenna” N8ppq / Public domain (cropped)
- Radio Wave Propagation Estimation with Large-Scale Computers: “Cabling for the ALMA correlator (eso1253f)” ESO / CC BY 4.0 (cropped)
- Related lab (Intelligent Robot Systems Lab): “TOCABI black 3200px” Cadop / CC BY-SA 4.0 (cropped)
- Related lab (Intelligent Software Lab): “Yujing Line expressway and Provincial Highway at midnight” Guanting Chen / CC BY-SA 4.0 (cropped)
- Related lab (Integrated Electronic Devices Lab): “Gold Nano Anchors Put Nanowires in Their Place ( )” National Institute of Standards and Technology / Public domain (cropped)
- Related lab (Large-Scale Knowledge Processing Lab): “Network Visualization” Martin Grandjean / CC BY-SA 4.0 (cropped)
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