Root Unveils No-Interruption Wireless LAN even in Transit at 260km/hr

(2003.05.14)

Root Inc. announced that it has successfully experimented and verified the wireless LAN IP communication system which does not get interrupted even in transit at a high speed of 260km/h. The experiment is part of the joint research project with Tokyo Institute of Technology, Institute of System and Information Technologies/KYUSHU, the Advanced Software Technology and Mechatronics Research Institute of Kyoto, Communications Research Laboratory and Sprite, Inc.

The experiment took place at a high-speed oval track of Japan Automobile Research Institute in Tsukuba City, Ibaraki Prefecture. Four different tests were carried out, namely IP communication with a car running at 260km/h, communication with a PDA mounted on a motorcycle running at 260km/h, high-speed handover (switching between base stations) between wireless base stations installed every 1.2km, and video transmission from a camera mounted on a car running at 260km/h. All tests turned out successful, the company said.

Root is ready to meet the demands of mobile IP communication of trains and racing cars, now that it has succeeded in the mobile transmission at 260km/h, in addition to its earlier success in some mega bit data transmission with a object moving at 100km/h. The company also added it would make the protocols open gradually through Mobile Broadband Association because the experimental system adopted the MBA standard protocol.



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