UPDATED 12:55 EDT / MAY 23 2011

The Growing Demand for Spectrum

I’ve written a column for CNET on spectrum policy, “Meeting the need for spectrum,” addressing some of the arguments we hear about spectrum demand and supply. Some advocates insist that the demands of mobile broadband users for increased data capacity can be met without allocating the additional spectrum recommended by the National Broadband Plan, but that’s not realistic. While it’s certainly true that spectral efficiency has steadily increased for the past 100 years, the rate at which it increases is considerably slower than the rate at which demand is currently increasing. The rule for spectrum is “Cooper’s Law,” which stipulates a doubling of efficiency every 30 months. Contrast that with Moore’s Law forecasting a doubling of semiconductor capacity every 18 months and you see part of the problem. Factor in the demand growth that comes about as people trade in dumb phones for smart ones and you see the problem in full.

n the fairly near future, smart, mobile devices will become ubiquitous, and we won’t even recognize them as phones. Cars will become rolling mobile networks, and we’ll have smart mobile devices embedded in our eyeglasses and clothing. Consider the IEEE Spectrum’s Technology of the Year for 2011, Laster Technologies Smart Spectacles.

This is a wearable computer that projects images directly to the eye and captures images through a video camera on the nose piece, powered by a smartphone with Bluetooth. In years to come, products like this one will integrate the smartphone and function as standalone devices. You could be looking at the iPhone 10 circa 2020, a device distributed by optometrists.

In the face of the demand growth that such devices will bring about, it’s prudent to pursue every avenue that makes more capacity available to the user: Efficiency, construction, advanced technology, and spectrum, but there’s no substitute for spectrum.

Check out the CNET column at: http://news.cnet.com/8301-1035_3-20062663-94.html

We’re going to have a panel discussion of these issues on Capitol Hill this Tuesday at noon, featuring High Tech Forum contributor Steve Crowley and additional luminaries. The event information is here: http://itif.org/events/waves-innovation-spectrum-allocation-age-mobile-internet.

 

[Cross-posted at High Tech Forum]


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