Category: Mobility Management
Combined Attach procedure in GPRS
‘Combined Attach’ means the MS is making an attach to the CS and PS domains in the same time. And
Gs interface – SGSN/MSC association in GPRS
The Gs interface is the interface between the SGSN, and the MSC/VLR. In other words, it is the interface between
Paging procedure in GPRS
The network inanities ‘Paging procedure’ towards to the MS, in order to move the MM context from STANDBY to READY
Service Request in 3G
The MS initiates the ‘Service Request’ procedure in order to establish the ‘PS signaling connection’ between the MS and the
GPRS Detach procedure
There are three nodes that can initiate ‘GPRS Detach’ procedure. Those nodes are the MS, the SGSN, and the HLR.
Timers in GPRS Mobility Management
There are a few Mobility Management timers exist on the MS and the SGSN. Using those timers the nodes will
How MM state transition in 2G occurs
The MM context exist on both the MS and the SGSN. One of the information elements exist inside the MM context,
PMM state transition in 3G
The PMM state are the Mobility management state for the MM context exist on the MS and on the SGSN
2G/3G Mobility Management states
The GPRS Mobility Management determines if the user equipment is registered to the network or not. In another words, it
Routing Area Update ‘RAU’ in GPRS
Types of Routing Area Update ‘RAU’ Intra-SGSN RAU The Intra SGSN RAU occurs when the MS moves from one RA