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Clearwire Testing in Silicon Valley as LTE Looms

Here we go again with the WiMax versus LTE debate for Clearwire

Dan Jones

September 16, 2009

2 Min Read
Clearwire Testing in Silicon Valley as LTE Looms

CHICAGO -- 4G World -- Clearwire LLC (Nasdaq: CLWR) has launched its Silicon Valley WiMax test network as the firm's new CEO says that Long Term Evolution (LTE) technology could be in its future.

The plan to develop a WiMax Silicon Valley "sandbox" that would give developers a chance to experience WiMax in the air was unveiled in April. The Kirkland, Wash.-based operator launched the network today, saying that it will cover more than 20 square miles in Santa Clara, Mountain View, and parts of downtown Palo Alto, California. (See Clearwire Plays in 4G Sandbox.)

The network will eventually become part of Clearwire's Bay Area commercial launch, which is slated for 2010. (See WiMax's Bay Window and Clearwire Launches in 10 New Markets.)

New Clearwire CEO Bill Morrow will likely have more controversial issues to deal with during his keynote here today in Chicago, however. The new WiMax head honcho told Dow Jones Newswires Tuesday that Clearwire could use LTE if it wanted to in the future.

This shouldn't be a huge surprise for any Unstrung readers. WiMax and LTE are based on the same underlying radio technology and have a great deal in common. Also, previous Clearwire CEO Ben Wolff had suggested something similar. (See WiMax & LTE: Kissin' Cousins.) In fact, in terms of network infrastructure requirements for such a shift, at least one of Clearwire's radio access providers, Motorola Inc. (NYSE: MOT), has based its LTE base stations on its previously developed WiMax platform. This means that Clearwire could simply do a software upgrade to move to LTE. (See Moto Joins LTE Club, Moto Supports WiMax, LTE, Motorola Enlists Starent for 4G Push, Moto Trials LTE in UK, Moto Demos TV-Over-LTE in Sweden, and 4G World: LTE Climbs on WiMax's Shoulders.)

The one issue then -- and it is a big issue -- is whether the operator could find LTE devices that operate on its 2.5 GHz spectrum footprint. Users with early 700 MHz gadgets aren't likely to be able to switch between the two, although that might change over time.

— Dan Jones, Site Editor, Unstrung

About the Author(s)

Dan Jones

Mobile Editor

Dan is to hats what Will.I.Am is to ridiculous eyewear. Fedora, trilby, tam-o-shanter -- all have graced the Jones pate during his career as the go-to purveyor of mobile essentials.

But hey, Dan is so much more than 4G maps and state-of-the-art headgear. Before joining the Light Reading team in 2002 he was an award-winning cult hit on Broadway (with four 'Toni' awards, two 'Emma' gongs and a 'Brian' to his name) with his one-man show, "Dan Sings the Show Tunes."

His perfectly crafted blogs, falling under the "Jonestown" banner, have been compared to the works of Chekhov. But only by Dan.

He lives in Brooklyn with cats.

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