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Archive for the ‘T-Mobile’ Category

Experimental Radio Applications at the FCC

This summarizes a selection from 289 applications for the Experimental Radio Service received by the FCC during April, May, and June 2012. These are related to AM, high-frequency propagation, ultra-wideband, frequency-hopped VHF, managed access, small satellites, radar, MIMO, TV white space, low-power FM, stadium wireless service, GSM, and DTV. The descriptions are sorted by the lowest frequency found in the application.

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The Challenge of HD Video Streaming on LTE

One of AT&T’s non-redacted arguments in support of its acquisition of T-Mobile USA is that data usage on AT&T’s network is projected to “skyrocket by a factor of eight to ten” over the next five years due in part to streaming HD video. AT&T’s vision is that T-Mobile’s resources would be used to relieve resulting capacity restraints.

Enabling an HD streaming service will be challenging because of the relatively-high and somewhat-constant bit rates required in a fading radio environment. Wondering how practical this is, I recalled a paper Motorola prepared last year reporting some of its simulation results on mobile broadband streaming video.

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Posted by Steven J. Crowley to AT&T, LTE, T-Mobile, Video @ 10:58 am, 04/22/11 | 1 Comment

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.

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Posted by Steven J. Crowley to AT&T, Backhaul, Business, Mobile Broadband, T-Mobile @ 9:28 am, 03/25/11 | No Comments

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    Steve is a consulting wireless engineer who provides support for projects worldwide involving technology and competitive analysis, standardization, regulation, business development, patent portfolio management, and corporate communication. Clients include vendors, service providers, asset managers, government agencies, and other professional service providers. Named by Forbes as a top 10 mobile influencer, "influencing how we perceive developments in mobile, how we learn about it and what we know."
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