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CABLE SHAPES UP! Members of CableFit #teamplatform at NCTA get ready to run a St. Patrick’s Day 8K road race, spanning the U.S. Capitol grounds and National Mall on March 9, (back row, l. to r.): Julie Hance, Ethan Buch, Frank Gallagher, Kristin Buch, Steven Morris, Lisa Hamilton, Scot Donaldson, Rob Stoddard, Rick Stoddard; (front row, l. to r.): Kelly Allers, Kat Stewart, Esther Song, Carleigh Blewett, Lisa Otto.  NCTA’s team finished 11th in a field of 54.

December 14, 2011

Could WiGig Spec Be The Home-Networking Magic Bullet?

The Wireless Gigabit (WiGig) Alliance just issued a call for developer involvement in crafting what it brags will be the world’s first unified multi-gigabit wireless docking specification. Assuming WiGig is successful in creating its spec, what will emerge is the last key piece of a technology that could eliminate two things:

  • the need for wired HDMI in video applications, thus turning any single device connected to the Internet - including a cable box - into the home hub for all broadband connectivity; and
  • the need for the final curb-to-home cable or fiber link.
Wireless docking is a key goal of the Alliance along with wireless high-definition video and wireless networking. This new call for work on the docking spec comes on the heels of the publication earlier this month of two Protocol Adaptation Layer (PAL) specifications: the WiGig Display Extension (WDE) and the WiGig Serial Extension (WSE). Those join the WiGig Bus Extension (WBE) and MAC/PHY specs released earlier this year. The WiGig specs, based on the nascent IEEE 802.11ad spec, are expected to be finalized by the end of 2012.

“We have reached a major milestone this year with the completion of all the necessary components of the first ever multi-gigabit wireless docking specification,” notes WiGig Alliance President/Chairman Dr. Ali Sadri, whose day job is director of Intel’s Mobile Wireless Group. “We are now calling for industry players to participate in what will be the world’s most important short-range wireless standard and a shake-up for the industry.”

More than three dozen  “developer” companies – including a host of industry heavyweights like Intel, Microsoft and NEC – that have joined the young Alliance since it was founded in May 2009 are being asked for input.  

Sadri told CT Reports that WiGig creates “a new opportunity for the cable manufacturers and the box manufacturers to come up with something revolutionary that changes the profile of the display and of wireless connectivity.”

WiGig, he adds, can be used to “create a cable-centric docking station for the home.” Here’s how it works:  A cable box would be connected to a broadband network, and any WiGig-enabled video device – for example, a HD TV – could connect wirelessly if it is in range. That range, Sadri says, is about 15 meters inside a home, and it could deliver signals at speeds as fast as 7 Gbps. That’s about 10 times the top speed of Wi-Fi. Desktop PCs, laptops, slates and even smartphones could connect to that same cable box, receiving broadband and sending video to the big screen.

The technology will, of course, be of equal use to cable competitors and, indeed, to any service provider able to squirt an IP stream to the home using any available technology.

Current estimates are that it will be another few years before WiGig ramps to high volume, perhaps by 2016. However, the first silicon implementations from several manufacturers – based on tentative, albeit not finalized, specs and most likely at speeds of 4 Gbps (faster than the roughly 3 Gbps needed for HDMI) – are expected to be available in sample quantities next year, Sadri told us. One Israeli startup, Wilocity (founded by executives and engineers from Intel's Wi-Fi Centrino group), so far is first out of the gate with prototypes of a WiGig chip said to deliver 3.5 Gbps.

-Stuart Zipper

Comments (3) for "Could WiGig Spec Be The Home-Networking Magic Bullet?"
How is the tentative speed of 4Gbps significantly slower than the 3 Gbps needed for HDMI? I always thought that 4 was bigger than 3. Please reevaluate, this is fascinating, and I want the right facts.
Posted by Erin on Wednesday, December 14, 2011 @ 05:47 PM
Erin: Our bad. Those numbers were transposed, and the story now is correct -- Debra Baker, editor
Posted by Debra Baker on Thursday, December 15, 2011 @ 08:05 AM
It is amazing that the FCC has approved 60GHz for indoor use within a home at the power levels it is approved. At a time when consumers are having issues with a cell phone radiating 500mW what are they going to think when they find out they are radiating their families with 60GHz microwave energy at EIRP levels up to 10 Watts! Yes 10 Watts of emitted RF energy at 60GHz in you living room (Or 10,000 mW as they like to show in their specification). This is the outdoor PSD mask but used indoors.
Posted by SoCalTechGuy on Friday, December 16, 2011 @ 04:24 PM

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