Tag: 4G

NTT DoCoMo Achieves World's First 5Gbps Packet Transmission in 4G Field Experiment

Tags: NTT + DoCoMo + Japan + 4G

Kenshi
Posted by Kenshi 2 years 8 months ago; via nttdocomo.com/pr/2007/001...

NTT DoCoMo, Inc. announced that it achieved a maximum packet transmission rate of approximately 5Gbps in the downlink using 100MHz frequency bandwidth to a mobile station moving at 10km/h. The field experiment of fourth-generation (4G) radio access took place in Yokosuka, Kanagawa Prefecture.

After having achieved a maximum speed of 2.5Gbps on December 14, 2005, DoCoMo doubled the speed in the more recent test by increasing the number of MIMO* transmitting and receiving antennas from six to 12 each, and by using proprietary received signal...

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China launches 4G before 3G off the ground

Tags: China + 3G + 4G + FuTURE Project

Qu Leheng
Posted by Qu Leheng 2 years 9 months ago

China, still working on its long-delayed homegrown third-generation wireless standard, has leapfrogged itself by launching the world's first fourth-generation standard, state media said on Monday.

Data-rich 3G telephony -- which allows high-speed transmission of data and images -- is not yet available in mainland China.

But a group of 10 "leading domestic institutions" called the "FuTURE Project" on Sunday rolled out 4G in Shanghai.

China aims to hold field tests for the 4G system -- whose rollout has cost $19.3 million; and will...

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