With operators worldwide starting to deploy High Speed Packet Access (HSPA) services, 3G has finally arrived
and is now gaining momentum. As 3G enjoys its success, the evolution in the radio and core network space
continues with Long Term Evolution (LTE) and Evolved Packet System (EPS) leading the way forward to the
4G revolution. The heralded “anytime, anywhere” access and entertainment medium shall become a reality
with 4G.

This paper talks about the shift of existing infrastructure for 3G core to 4G, and the benefits and impact on the communications industry of AdvancedTCA on the wireless core network.