Periodic TAU Timer in Mobile Networks
Periodic TAU timer refers to the time interval during which a UE that exists in Disconnected (Idle) state, must perform a Tracking Area Update (TAU) procedure, to inform the network about its current location.
It is a key concept in 4G and 5G networks, as it is used to manage the location tracking and registration of a UE within the network.
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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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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 be able to properly manage the states of the MM context of a certain MS. Mobility Management timers Ready timer (2G only) Once the MS is in the READY state, a timer on the MS…
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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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