4G

Hoping for a blazing fast 4G LTE compatible iPhone 5 to hit shelves later this year? Don't hold your breath. Although competitors to Apple's iPhone are already coming out with LTE phones, analyst Sam Greenholtz from Telecom Pragmatics claims Apple will wait for the iPhone 6 use the technology.

A report in The Street explains that Greenholtz has communicated with sources who say the LTE iPhone 6 is already under development. June or July 2012 is Apple's target launch date, which also gives carriers including AT&T and Verizon more time to roll out their LTE networks to full capacity.

Millions and millions of wireless customers from Verizon and AT&T have said they're waiting to buy an iPhone until the device is available on America's largest carrier. Comments by Verizon Wireless CEO Ivan Seidenberg to investors at a Goldman Sachs conference give the impression that these people could be waiting a lot longer than they thought. Rumors have indicated the company will partner with Apple on the release of a CDMA iPhone as early as January 2011.

Instead, Seidenberg associated the iPhone with Verizon Wireless' upcoming Long Term Evolution (LTE) network, rolling out now and not scheduled to cover the entire US until December 2012. If you bought an iPhone now, that's only three months after your two-year AT&T contract would expire.

With all of the hoopla over the white iPhone 4 launch and a possible Verizon Wireless CDMA model it's easy to forget that carriers are frantically working to upgrade their cellular data networks. LTE stands for Long Term Evolution, and its the technology behind next generation 4G wireless networks. AT&T along with Verizon Wireless and T-Mobile have all committed to LTE standards.

AT&T, currently the exclusive carrier of the iPhone in the US, plans to begin rolling out its LTE network in mid-2011. Trials of LTE are currently underway in Dallas and Baltimore as the company continues to expand HPSA+ 3G availability across the nation. The implementation of LTE could coincide with Apple's iPhone 5 launch next year.

Look out Verizon fans, the iPhone may be coming sooner than you think. AT&T must be nervous considering reports that the other wireless giant, Verizon Wireless, is currently in high-level talks with Apple about the iPhone. Vodafone, the co-owner of Verizon Wireless, already offers the iPhone in European markets.

It's possible that Apple is considering a CDMA version of the iPhone after all. Observers are predicting that if Verizon and Apple can strike a deal, the iPhone will hit Verizon shelves as early as 2010. AT&T has been trying to extent its exclusive arrangement with Apple beyond its expiration sometime next year into 2011.

AT&T, the exclusive carrier for Apple's iPhone, is currently field testing base station software upgrades that will double the speed of its 3G network. The upgrades should increase speeds over high-speed packet access (HSPA) to 7.2 megabits per second (Mbps), up from the current 3.6 Mbps.

The company is also upgrading its network backbone to accommodate increasing data traffic. The release of a new iPhone model in June is expected to generate ten times the current demands on bandwidth.