Wireless future road-blocked by backhaul

[David Farber <dave () farber net>]

Begin forwarded message:

From: dewayne () warpspeed com (Dewayne Hendricks)
Date: October 9, 2009 9:32:04 AM EDT
To: Dewayne-Net Technology List <xyzzy () warpspeed com>
Subject: [Dewayne-Net] Wireless future road-blocked by backhaul

Wireless future road-blocked by backhaul

Qualcomm co-founder Dr. Irwin Jacobs and current CEO and Chairman Paul  
Jacobs took the CTIA IT & Entertainment Keynote stage to reflect on  
where wireless has been and what it will take to achieve the future of  
wireless ubiquity that they are imagining. In the wireless future that  
the Jacobses are envisioning, new uses for wireless present the most  
exciting opportunities. Dr. Jacobs said e-readers and using technology  
in the classroom, two initiatives Qualcomm is currently working on,  
are most compelling to him. To his son, wireless power and the ability  
to charge multiple electronic devices by placing them on a platter  
will be an important opportunity. Qualcomm is also working on cyber- 
signs that send deals to the mobile phone when a consumer passes  
through, essentially turning the phone into a digital sixth sense, he  
said. The phone will be a remote control for things in the physical  
world, but also will be the most direct, personal way to access  
information about consumers. There will be formidable challenges on  
the path to achieving this vision, both agreed. Most pressing is  
wireless operators need for more headroom on backhaul. Dr. Jacobs said  
that Qualcomm has done all it can do with spectral efficiency and is  
now exploring other architectures and tricks to further stretch  
existing spectrum. He noted that the industry has gotten where it is  
from reusing spectrum and will have to continue to expand available  
spectrum through backhaul, devices like femtocells that offload  
services and reusing what spectrum is already available. "We are  
getting to the point where in the labs we've done what we know how to  
do to optimize the spectrum," the younger Jacobs said. "We have to do  
new tricks now." He anticipates an eight to 10 times improvement in  
user experience if operators build their own networks, but this will  
take backhaul and the move to LTE to make it work.

<http://telephonyonline.com/3g4g/news/wireless-future-road-block-1008/>

Courtesy of the Benton Foundation <http://www.benton.org>


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