InterDigital Inc (IDCC)

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Japan's top mobile carrier making field trial on fourth-generation
wireless system
TOKYO, May 28, 2003 (AP WorldStream via COMTEX) -- Japan's cell phone giant NTT DoCoMo said Wednesday it will conduct a field experiment of a fourth-generation wireless communications system that can relay high-quality video.
Fourth-generation or 4G technology zaps information about 260 times faster than NTT DoCoMo's 3G service, which was launched in October 2001 and is about 40 times faster than current cell phones, the company said in a news release.
DoCoMo researchers have been working on a successor to 3G since 1998 and hope to begin commercial service by 2010. The company says 4G video will be as good as high-definition television, it said.
In indoor experiments, the 4G system can download data at up to 100 megabits per second - about 2,000 times faster than dial-up modems - and achieve uplink speeds of 2 megabits per second.
The field trial will be conducted in Yokosuka, a city of 430,000 just south of Tokyo.
Copyright 2003 Associated Press, All rights reserved
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KEYWORD: TOKYO