WiGig to Line up With DisplayPort Standard

From PC World: With an eye to letting people link more devices and displays without using cables, the Wireless Gigabit Alliance plans to bring DisplayPort technology into its specification.

The WiGig group, which is promoting a system to wirelessly transfer data within a room at multiple gigabits per second, published its specification in May and is working with the Wi-Fi Alliance to potentially integrate it with Wi-Fi. One intended application of the technology is connecting devices and displays within a living room, office or cubicle. The DisplayPort specification is already used to link PCs to displays on a cable that can carry both video and data. By integrating it with WiGig, the backers of DisplayPort aim to bring their standard into the wireless realm.

The groups announced on Wednesday that they have agreed to share their technical expertise and specifications and to develop a certification program for wireless DisplayPort products, said Ali Sadri, chairman and president of WiGig.

Amid WiGig's latest effort to make the upcoming technology more useful, the date for its arrival has slipped. The Alliance now expects the first WiGig radios to come in 2011 and the first products using the system to go on sale in 2012, according to WiGig board member Bruce Montag. Last December, the group had said it expected to set up a certification program this year and see consumer WiGig products in 2011.

Wireless video connectivity is already a crowded space. Chip maker Amimon and several consumer electronics companies back WHDI (Wireless Home Digital Interface), which is now available in some LG TVs. SiBeam sells chips with a technology called WirelessHD and offers dual-mode transceivers with both WirelessHD and WiGig, along with a development kit for system makers. However, no one technology has become dominant.

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