written 5.5 years ago by | • modified 5.5 years ago |
Subject: Mobile Computing
Difficulty: Medium
Marks: 4 Marks
written 5.5 years ago by | • modified 5.5 years ago |
Subject: Mobile Computing
Difficulty: Medium
Marks: 4 Marks
written 5.5 years ago by |
Updating on entering a new location Area: The Location Area Identity (LAI) is broadcast in system information message and stored in mobile station memory. When a newreceived location area identity does not match with the previously stored location area identity, then MS does a location update.
Periodic update: Whenever MS performs location update if reset timer T. A time has timeout value. As and when the timer expires, the MS does the location update.
Updating on deactivation and activation: Mobile equipment do this update and send IMSI DETACH message when it is deactivated.
The network marks that MS as a deactivated and does not send paging message to for MS until it is activated again. A MS send IMSI DETACH message does a location update when it is activated again.