NEC shows WiFi at 205mph

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NEC shows WiFi at 205mph

Researchers at NEC have taken Wi-Fi wireless connectivity to new levels by successfully demonstrating handovers between access points while travelling past them at 205mph.

NEC said it has successfully demonstrated in-house developed software that allows for a fast sign-on and hand-over between standard access points, in a test earlier this month at a automobile test track north of Tokyo.

The test involved four IEEE802.11b access points placed at 500m intervals along a portion of the Japan Automobile Research Institute's test track, said Yasuhito Jochi, a spokesman for NEC.

The access points were connected to a router and it is in this router that NEC's high-speed handover software was installed.

A Porsche car travelling at 205mph sped past the access points while software managed the switch from one access point to the next.

The uninterrupted session was confirmed by a notebook computer and camera in the car which remained connected to a NetMeeting server as the car drove through each of the access point coverage areas. The test also included the downloading of a file to the PC in the car from a web server.

The software that allows the fast handover has been developed for use in intelligent transportation system applications and could be used to keep an internet connection with cars running along a highway or high-speed trains, said NEC.

The speed attained by NEC falls around the average speeds achieved by super-express trains such as Japan's Shinkansen (bullet train) and France's TGV.

NEC is ready to begin sales, said Jochi.

Martyn Williams writes for IDG News Service


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