KDDI Demonstrates 1Gbps Infrared Communication
[2008-7-28]
Tag : data wireless module
KDDI Corp demonstrated the "Giga-IR," an infraredcommunication standard with a data rate of 1Gbps, at Wireless Japan2008.
The technology is expected to be used for forwarding music andvideo data stored in mobile phones at high speeds to other mobilephones, PCs, TVs, DVD recorders and printers, and so forth.
KDDI developed this communication format and is standardizing it atthe "IrDA (Infrared Data Association)," an organizationstandardizing infrared communication technologies, with the aim ofcompleting the standardization in March 2009. The format hadinitially been named "EFIR (extremely fast infraredcommunication)," but was renamed when it was transferred fromits study group to an SIG (special interest group), which actuallyformulates the specification.
KDDI chose a high data rate of 1Gbps, as "We aimed at a sharpincrease in data rates, considering rates of around 100Mbps are notfast enough to differentiate our technology from existing wirelesstechnologies," it said. "It only takes a second toforward 20 to 30 music files" at 1Gbps, KDDI said.
Unlike most infrared communications using LEDs as light-emittingelements, Giga-IR uses semiconductor laser elements.
When Nikkei Electronics asked if the module size and cost increase,KDDI answered, "The light-emitting element itself is evensmaller than an LED. We can make the module size equivalent to thatof other infrared modules by integrating transceiver circuits intoa chip in the future. The cost can be lowered to that of infraredcommunication modules (at ¥10 to 20 per unit) as well whenmass-produced."
KDDI Corp demonstrated the "Giga-IR," an infraredcommunication standard with a data rate of 1Gbps, at Wireless Japan2008.
The technology is expected to be used for forwarding music andvideo data stored in mobile phones at high speeds to other mobilephones, PCs, TVs, DVD recorders and printers, and so forth.
KDDI developed this communication format and is standardizing it atthe "IrDA (Infrared Data Association)," an organizationstandardizing infrared communication technologies, with the aim ofcompleting the standardization in March 2009. The format hadinitially been named "EFIR (extremely fast infraredcommunication)," but was renamed when it was transferred fromits study group to an SIG (special interest group), which actuallyformulates the specification.
KDDI chose a high data rate of 1Gbps, as "We aimed at a sharpincrease in data rates, considering rates of around 100Mbps are notfast enough to differentiate our technology from existing wirelesstechnologies," it said. "It only takes a second toforward 20 to 30 music files" at 1Gbps, KDDI said.
Unlike most infrared communications using LEDs as light-emittingelements, Giga-IR uses semiconductor laser elements.
When Nikkei Electronics asked if the module size and cost increase,KDDI answered, "The light-emitting element itself is evensmaller than an LED. We can make the module size equivalent to thatof other infrared modules by integrating transceiver circuits intoa chip in the future. The cost can be lowered to that of infraredcommunication modules (at ¥10 to 20 per unit) as well whenmass-produced."
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