Wireless Oom

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.

various types of connections that the UE will have with the network:
1. RL
2. RB
3. RAB
4. SRB
5. PDP
6. RRC connection
RL (UE-Node B)
RB (UE-Node B-RNC)
RAB (UE-Node B-RNC-SGSN)
PDP context (UE-Node B-RNC-SGSN-GGSN)