Mobile Packet Core

The Gs interface is the interface between the SGSN, and the MSC/VLR. In other words, it is the interface between

The network inanities ‘Paging procedure’ towards to the MS, in order to move the MM context from STANDBY to READY

The MS initiates the ‘Service Request’ procedure in order to establish the ‘PS signaling connection’ between the MS and the

There are three nodes that can initiate ‘GPRS Detach’ procedure. Those nodes are the MS, the SGSN, and the HLR.

There are a few Mobility Management timers exist on the MS and the SGSN. Using those timers the nodes will

The MM context exist on both the MS and the SGSN. One of the information elements exist inside the MM context,

The PMM state are the Mobility management state for the MM context exist on the MS and on the SGSN

The GPRS Mobility Management determines if the user equipment is registered to the network or not. In another words, it

Types of Routing Area Update ‘RAU’ Intra-SGSN RAU The Intra SGSN RAU occurs when the MS moves from one RA

GPRS Attach procedure is the procedure in which the MS registers to the network. In other words, the network knows

Mobile Packet Core Engineer Guide