EMM-Deregistered state in 4G Network
EMM-Deregistered state represents a situation where the UE is not registered with the 4G network.
So that the UE is not registered and authenticated with the 4G network, and the network does not maintain any context information about the UE.
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Session Management states in GPRS (2G and 3G)
For an MS to be able to send and receive data to and from the PDN, it must have an active PDP context. The 'PDP context' exist on the MS, the SGSN, and the GGSN. This PDP context can be in one of two states. Those two states are the Session Management 'SM' states. Session…
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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, is the 'MM state' the MS currently exist in. Below figure shows the states the MS can exist in, and the events that triggers the transition from one state to another. MM state transition First,…
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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 after the 'GPRS attach' procedure completed. Please take into consideration that both MS and SGSN determine the PMM state according to its own calculation. In other words, in certain situations, you may find the MM…
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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 defines if the network knows about the presence of the user equipment or not. In addition, if the user equipment is registered to the network, to which extent the network can determine the location of…
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