Oct 312009
Core Network has three domains:
1. circuit switched (CS) domain
2. packet switched (PS) domain
3. broadcast control (BC) domain
Jul 272009
PDP context
is
for PS service.
It consists of
1. RAB
2. CN bearer (bearer between SGSN and GGSN)
The PDP context is created with a defined QoS that is requested by the UE and granted by the network.
Jul 262009
P-TMSI (packet TMSI) is similar to TMSI except that it is for PS domain.
P-TMSI is 32 bit number and used as a temporary id within the PS domain.
