Some of the definitions gathered with short description.
A B C L M N R S T
- Location Area
- Location Area is one or more cells. Location Area is controlled by VLR. Each time MS changes LA it needs to inform VLR about this with Location Update Procedure.
- NAS - Non-Access Stratum
- Set of protocols (i.e. MM, GMM, SM, CC, SS, SMS) and functions for communication between Ms (or Ue) and Core Network (both CS and PS domain).