AT&T and T-Mobile – Interpreting the Spin
AT&T and T-Mobile have collected their press release and associated documents on one web site. A few points caught my eye. “AT&T is now burning through 10 MHz of spectrum…
Should a Sales Brochure Underlie US Spectrum Policy?
The FCC relies on Cisco’s forecast of mobile-broadband data demand as a basis for spectrum policy. Called the Visual Networking Index, it comes up many times in the National Broadband…
The Policy Side of the Merger
Last week, I covered the technical side of the AT&T – T-Mobile merger, endeavoring to explain why it’s a good deal for the companies. This week, I’ve written a blog…
The Tempest and the Teapot
Two things happened this month that have bearing on the course of the evolution of the broadband network. One was seen as momentous but, to me, is ultimately a non-event,…
Experimental Radio Applications at the FCC
This summarizes a selection of applications for the Experimental Radio Service received by the FCC during February 2011. These are related to cognitive radio, land mobile, TV white space, unmanned…
Why is it Good to Combine Networks?
[Note: This post covers the technology side of the proposed AT&T – T-Mobile merger, and only the technology side. To see what I think about the policy side, check out…
Best Use of the Spectrum
TV broadcasters are fighting tooth and nail to hang on to “their” spectrum, the peachy-keen beachfront property in the 700 MHz band that they use to reach the 10 percent…
The Spectrum Challenge
Imagine you’re a regulator and your job is to find some space in the spectrum map to meet the demand for mobile broadband. Here’s a close approximation of the existing…
Stanford-developed Transceiver Operates Full Duplex on a Single Channel, Reduces Network Bottlenecks
To avoid interference, wireless transceivers can switch between transmit and receive on one frequency (Time Division Duplex (TDD)). Or, they can transmit and receive at the same time on different…
MWC 2011 round-up: Smartphones, Policy/Offload and VoLTE/RCS
I’ve now had a chance to gather my thoughts about last week’s Barcelona Bunfight. I can’t say I enjoyed the trip this year (having only grudgingly decided to go right…