Oki Develops 920MHz Smart Chip

OKI announced that it has developed Japan’s first wireless multi-hop communication system for the new 920 MHz frequency band

September 6, 2011

1 Min Read

TOKYO -- OKI today announced that it hassucceeded in the development of Japan’s first wireless multi-hopcommunication system for the new 920 MHz frequency band whichis scheduled to open by the Ministry of Internal Affairs and Communicationsin July 2012. The 920 MHz band offers high signal propagation and considerablepromise for wireless multi-hop communication technologies ideally suitedfor use in smart communities, smart houses and smart meters.

Smart grids that use information communication technologies for energymanagement such as electricity have attracted significant interest, andstudies continue on smart communities capable of deploying such managementcontrol and smart houses that make effective use of green energy.

“Making smart communities and smart houses a reality requires acommunications infrastructure to transmit data, such as electricitycontrol data. The communications infrastructure will require homenetworks (Figure 2) that connect home appliances and electrical powerequipment within the home or office, and field area networks that connectdevices such as smart meters between outside buildings,” says Takeshi Kamijoh,General Manager of Research and Development Center at OKI. “Wireless multi-hop communications are expected to make such infrastructures possible.Electrical power equipment such as smart taps and smart meters are ofteninstalled in locations with poor signal access, underscoring the significanceof the 920 MHz band with its high signal propagation compared with 2.4 GHzwhich broke communications.”

Oki Electric Industry Co. Ltd.

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