AT&T plans "second layers" for 3G during 2010

AT&T today began ramping up its 3G network plans in a newer direction by adding one of its earliest "second layers" to its Atlanta service. The approach gives about 90 cell sites in the area a second node each and helps balance the load of data on the network, particularly during peak hours when the one node would normally be full. Atlanta had already had a certain level of duplication but now is much more comprehensive....

Source : http://www.electronista.com/articles/10/01/14/many...