Fujitsu Brings 4G Wireless a Step Closer
Fujitsu Ltd developed a transistor amplifier that can efficiently boost wireless signals even when above 100 watts…thus meeting the high-output requirements of base stations for 4G mobile phones.
The new substation amplifier is ten times stronger than current amplifiers.
4G amplifiers must be able to:
1. handle 100 watts for each line,
2. carry multiple channels
3. achieve data transmission speeds of up to 1,000 megapits per second.
A prototype of Fujitsu's new device was able to amplify signals without leakage.
The prototype also boasts four times the amplification factor and consumes 30% less power.
Reliability is still a problem…
Fujitsu wants 2-3 more years to work out the kinks.
4G phones are expected to debut in 2011.
What will do with all that power on your phone?
Tags: 2958, 3202
POSTED IN: Doing Business in Japan
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