COMMON CORE NETWORK FOR 2G AND 3G | INDEPENDENT 2G AND 3G CORE NETWORKS

COMMON CORE NETWORK FOR 2G AND 3G

There are two possible ways for mobile operators to migrate from 2G  to 3G

Case-1:Existing 2G or 2G+ core network could be upgraded for 3G use. In this case 2G and 3G networks share the same core infrastructure.
Case-2; : Independent 3G core network could be implemented completely independent from the existing 2G core infrastructure.

INDEPENDENT 2G AND 3G CORE NETWORKS