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Information and Communication Networks Lab
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A lab that builds systems for delivering audio and video wirelessly at high speed and with low power consumption.
AboutAbout the lab
Carrying large amounts of data quickly over wireless links
The Information and Communication Networks Lab studies technologies for processing multimedia information such as audio and video in real time and transmitting it wirelessly.
From both the hardware and software sides, the lab builds communication systems and networks that are fast and consume little power.
It works on MIMO transmission methods, which send and receive simultaneously through multiple antennas, and on speech recognition that can pick out speech even amid noise.
To run processing without delay, the lab is also implementing its methods on FPGAs, which are rewritable integrated circuits.
Key terms
- MIMO
- A method that speeds up wireless communication by sending and receiving data simultaneously through multiple antennas
- FPGA
- An integrated circuit whose internal circuitry can be rewritten after manufacture, so that a designed process can be run directly as a circuit
- Lossless compression
- A compression method that reduces data size without lowering quality
NewsLab news
A doctoral student received the Academic Encouragement Award from the Institute of Electronics, Information and Communication Engineers (IEICE)
A master's student received the Student Branch Advisor Award from the Hokkaido Chapter of the Institute of Electronics, Information and Communication Engineers (IEICE)
An undergraduate student received an Excellent Presentation Award at a symposium of the Hokkaido Chapter of the Institute of Electronics, Information and Communication Engineers (IEICE)
An undergraduate student received an Excellent Presentation Award at a symposium of the Hokkaido Chapter of the Institute of Electronics, Information and Communication Engineers (IEICE)
ResearchResearch themes
The lab studies methods for processing multimedia information in real time, as well as communication systems and networks that transmit large amounts of data wirelessly at high speed. Research and development proceed from both the hardware and software sides.
*Illustrative imageHigh-Speed, Low-Power Wireless Communication
The lab studies next-generation wireless communication that lets mobile phones and wireless LANs run faster and with less power. It works on MIMO-OFDM transmission methods, LSI design for receivers, and outdoor radio propagation experiments.
*Illustrative imageNoise-Robust Speech Recognition
Speech recognition in noisy places such as exhibition halls and crowds still poses difficult problems today. The lab studies noise-robust speech recognition technologies and systems, as well as voice-controlled input interfaces.
*Illustrative imageVideo Transmission and Processing
The lab investigates lossless compression methods that shrink high-quality video without degrading it, and methods for transmitting it over high-speed wireless communication. It is also researching how to run, without delay on an FPGA, processing that automatically corrects brightness to make images easier for people to see.
MembersFaculty
- ProfessorTakeo Ohgane
- Associate ProfessorHiroshi Tsutsui
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: “Cell Tower Ciudad del Carmen2020” Cvmontuy / CC BY-SA 4.0 (cropped)
- High-Speed, Low-Power Wireless Communication: “Very Large Array -- New Mexico, U.S.A. -- 2009-08” CGP Grey / CC BY 2.0 (cropped)
- Noise-Robust Speech Recognition: “Darkness of speech (Unsplash)” Hrayr Movsisyan lincerta / CC0 (cropped)
- Video Transmission and Processing: “LCD subpixels” Politelyinsulting / CC BY-SA 3.0 (cropped)
- Related lab (Media Dynamics Lab): “Aperture grille closeup” Selçuk Oral (drumex) / CC BY-SA 3.0 (cropped)
- Related lab (Advanced Networking Lab): “19-inch rackmount Ethernet switches and patch panels” Dsimic / CC BY-SA 4.0 (cropped)
- Related lab (Intelligent Information and Communications Lab): “G Sendemast Telekom Kiel - - Detail” Fabian Horst / CC BY-SA 4.0 (cropped)
- Related lab (Media Creation Lab): “Photomosaic WLM2014 Winner” user:Fuzzypiggy / CC BY-SA 3.0 (cropped)
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