Telecom Articles by Samir Amberkar: wp-lte-ue-nas-overview-p5

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3GPP Modem
Simulator

Test Your
Knowledge

LTE UE NAS overview

NAS functions

Mobility - Attach, Tracking areas

CN identity management

Security

EPS Session/QoS management

Connection management

Signaling transport

Idle mode function - PLMN selection


Copyright © Samir Amberkar	Slide 5 of 16

Notes

LTE - quick bit on mobility
LTE - initial attach
LTE Allocations Explained

3GPP TS 23.401 "EPS overall"
3GPP TS 24.301 "EPS NAS"
3GPP TS 22.011 "Service accessibility"
3GPP TS 23.122 "NAS functions in UE idle mode"
3GPP TS 23.272 "CSFB in EPS"
List of all referred specifications along with their 3GPP locations is available here.