Sprint and Clearwire Might Go LTE for 4G

Sprint Nextel and Clearwire executives have said for some time that WiMAX and Long Term Evolution are similar enough that Clearwire could switch to LTE at some point. But that is more likely to happen when another technology migration to "fifth-generation" technology happens, not in the fourth generation.

In one respect, battles over air interface are simply part of the mobility business. Just as AT&T and T-Mobile opted for the GSM air interface while Sprint and Verizon opted for the rival CDMA air interface, and similar battles were fought over 2G standards, carriers will have to migrate their platforms over time, just as they always have.

The evolution from GSM (3G) to LTE (4G) will still require a new network, with a new air interface, operating on discrete spectrum and requiring new handsets and software. For that reason, each technology generation requires a fork lift upgrade and a refresh of consumer terminals as well. That's just part of the business.

So though Clearwire and Sprint chose WiMAX for 4G, their options for 5G remain open, and both Dan Hesse, Sprint CEO, and Bill Morrow, Clearwire CEO, say they could opt for an LTE derivative for 5G.

Hesse says the choice of WiMAX was based on the fact that Sprint could not wait for LTE standards to jell. It had a business need to move, so it did. "WiMax was tried-and-true tested technology at the time we made the choice," he says. "We couldn't wait."

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Global Spending on Mobile Networks to Grow 4% in 2010

Given dramatic increases in mobile Internet and broadband use, it is perhaps not surprising that mobile service providers will be hiking their network investments about four percent in 2010.

Informa Telecoms & Media estimates that mobile broadband subscribers worldwide  reached more than 225 million subscribers in mid-2009, representing 93 percent year-over-year growth.

Global mobile data bandwidth usage increased by about 30 percent during the second quarter of 2009, says Allot Communications.

The investment growth comes on top of about two years of flat to negative spending where mobile service providers tried to hold down spending in the face of the global recession.

Overall investment was down about three percent in 2009, says ABI Research.

Investments in 3.5G technologies such as HSPA and HSPA+, along with the rollout of 4G LTE networks by large operators such Verizon Wireless and Telia Sonera, are driving much of the activity. The fastest growth in capital expenditures is expected to be in South America, where compound average growth rates will average 10 percent between 2009 and 2015.

”The rapid adoption of smartphones will drive service revenue growth in 2010, as more consumers adopt data plans to take advantage of their handsets’ features,” says ABI Research analyst Bhavya Khanna.

Developed markets such as North America and Western Europe saw more than 17 percent year over year growth in mobile Internet revenues, a trend that is likely to continue into 2010.

ABI Research forecasts mobile Internet service revenues to grow at a CAGR of 9.4 percent between 2009 and 2015.