In fact, Kris Rinne, senior vice president of architecture and planning for AT&T, and Tom Sawanobori, vice president for network strategy at Verizon, mostly touted the LTE technology under development at their firms as superior to the WiMax technology emerging from Clearwire and Sprint Nextel for high speed wireless communications.

The biggest difference in the LTE strategies of Verizon AT&T remains as it has been for a while -- that Verizon plans to come to market sooner with LTE.

Sawanobori restated , disclosed earlier this month, to bring LTE to 25 to 30 markets with 100 million potential customers by the end of 2010.

Meanwhile, Rinne said today that AT&T plans to launch LTE trials later in 2010, with initial deployments underway some time next year.

She also noted that the speeds of its existing 3G networks by upgrading them with HSPA 7.2 technology.