WiGig promises low-power 2Gbps wireless device communication by 2013

A few days ago, at the Consumer Electronics Show in Las Vegas was the debut of WiGig, the technology behind the evolving 802.11d standard for ultra-high-speed wireless data transfers and in-home docking and content applications. Wireless Gigabit will allow devices-anything from PCs to tablets to TVs-to communicate with each other on the 60GHz spectrum band at theoretical maximum speeds of 7 gigabits per second.

At CES 2012, Wilocity announced and demoed the first chipsets to implement the WiGig standard across a variety of devices including laptops, keyboards, mice, TVs, and wireless hard drives - and their availability to OEM customers for designing into products. Amazingly, all these devices can communicate with each other at seemingly infinite speeds with WiGig. Gigabyte files were transferred in only a few seconds - dozens of times faster than on even the best current WiFi network.

"The wavelength at 60GHz is about 5mm, and antenna elements are half a wavelength, so we're talking roughly 2.5mm," WiGig Alliance President and Chairman Dr. Sadri said. "When you compare antenna elements for Wi-Fi, those are 5cm versus 2.5mm. So I can actually, in the same device, put multiple 2.5mm antenna elements for the same one antenna for Wi-Fi. I can get a lot of gain from the 60GHz antenna, which allows me to do beam forming—I can direct transmission in a specific direction," he explained.

"If Wi-Fi wants to get to 2Gbps, you need at least 3x3 antennas, and much wider bandwidth, maybe consuming 3 watts," Sadri said. "2Gbps using WiGig in a handheld device will consume about 500 to 600 milliwatts. That's five times the efficiency of Wi-Fi."

Sadri expects wide availability of WiGig-enabled devices in 2013.

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