republicbta.blogg.se - Carrier aggregation in actix

They also introduce the Tracking Area Update (TAU) mechanism, which update the location of the UE within the network. These procedures define attach/detach (to/from the EPC) mechanisms.

GUTI (Global Unique Temporary ID) reallocationĮMM specific procedures are UE-initiated.

It is the equivalent in EPS of MM in GSM and GMM in GPRS.ģGPP specifications make distinction between EMM common, specific and connection management procedures:ĮMM common procedures refer to various network-initiated mechanisms. The EPS Mobility Management protocol refers to procedures related to mobility over an E-UTRAN access, authentication and security. The NAS procedures are grouped in two categories: Figure 1: EPS control plane for E-UTRAN access The NAS is used to convey non-radio signalling between the User Equipment (UE) and the Mobility Management Entity (MME) for an LTE/E-UTRAN access.įrom a protocol stack perspective, the NAS is the highest stratum of the control plane, as shown in figure 1. The Non-Access Stratum is a set of protocols in the Evolved Packet System.

This article gives an overview of the Non-Access Stratum (NAS) and its protocols EMM and ESM. 121 Displaying Event Queries.125 Additional Event Queries. 117 Filter the Crosstab Query Results.117 Additional Crosstab Queries. 114 Sort by Site and Sector Crosstab Query.114 Display the Crosstab Query Results.

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