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EMM Procedure 1. Initial Attach - Part 2. Call Flow of Initial Attach

Table of Contents 1. Introduction 2. Initial Attach Procedure 2.1 IMSI Acquisition 2.2 Authentication 2.3 NAS Security Setup 2.4 Location Update 2.5 EPS Session Establishment 3. EPS Entity Information 3.1 Before Initial Attach 3.2 After Initial Attach 4. Closing 1. Introduction N...

01/16/2014

443,141

Technical Documents

GSMA RCS Architecture

Table of Contents 1. Introduction 2. SIMPLE IM Architecture 3. CPM Architecture 4. RCS Architecture 5. Summary 1. Introduction GSMA Rich Communication Suite (RCS) was originally based on OMA SIMPLE IM architecture in the beginning, but adopted OMA Converged IP Messaging (CPM) architecture from RCS r4.0. While the RCS r4.0 was updated to RCS r5.0 and onwa...

01/15/2014

38,358

Technical Documents

EMM Procedure 1. Initial Attach - Part 1. Cases of Initial Attach

Table of Contents 1. Introduction 2. Cases of Initial Attach 2.1 Unknown UE 2.2 Known UE 3. Simplified Call Flow in Each Case 4. Closing 1. Introduction This document discusses initial attach, as defined as EMM Case 1 in our previous document, “Eleven EMM Cases in an EMM Scenario” [1]. During this phase, a user turns on hi...

12/26/2013

202,289

Technical Documents

Eleven EMM Cases in an EMM Scenario (Presentation version)

10/22/2013

23,682

Technical Documents

Eleven EMM Cases in an EMM Scenario

Table of Contents 1. Introduction 2. EPS Mobility Management (EMM) Scenario 3. Closing 1. Introduction This document and its subsequent documents will provide descriptions of specific EMM procedures based on our understanding of EMM and ECM/RRC states covered in our LTE technical document, “LTE EMM and ECM States” [1]. EMM features are explained in...

10/22/2013

88,158

Technical Documents

Analysis of SK Telecom's Mobile IPTV Live Streaming (Full HD, HD and SD over LTE-A)

SK Telecom, the Korean No. 1 telecom operator, launched Btv Mobile service (in SD/HD) offering a variety of live broadcasting and VoD contents for mobile devices in around July 2012. And a year later in July 2013, boosted by the commercialization of LTE-A, it began a "Full HD" streaming service with drastically enhanced video quality. The following is the press release by SK Telecom about its n...

09/24/2013

72,822

Technical Documents

LTE EMM and ECM States (Presentation version)

09/20/2013

31,577

Technical Documents

LTE EMM and ECM States

Table of Contents 1. Introduction 2. EMM, ECM and RRC States 3. EMM State Transition 4. EMM Features 5. EMM User Information 6. Closing 1. Introduction Through the previous technical documents, we have studied the LTE network architecture and LTE identifications, the fundamentals of LTE technology, and LTE security operation required for a user to...

09/20/2013

266,094

Technical Documents

LTE QoS: SDF and EPS Bearer QoS (Presentation version)

09/11/2013

34,151

Technical Documents

LTE QoS: SDF and EPS Bearer QoS

Table of Contents 1. Introduction 2. SDF and EPS Bearer 3. QoS Parameters of SDF and EPS Bearer 4. QoS Provisioning and Enforcement 5. An Example for SDF and EPS Bearer QoS 6. Closing 1. Introduction An LTE service provider should be able to make services with different QoS requirements available to its users with different subscription levels. So,...

09/11/2013

329,769

Technical Documents

LTE Identification III: EPS Session/Bearer Identifiers

Table of Contents 1. Introduction 2. EPS Session and EPS Bearer: Overview 3. Identifiers for EPS Session/Bearer (Session/Bearer IDs) 4. Summary: Table of LTE Identifiers 5. Closing and References 1. Introduction We have learned about the LTE ID groups such as UE and ME IDs, and Network Equipment (NE) and UE location identifier (location) IDs in LTE Iden...

08/26/2013

228,676

Technical Documents

LTE Identification II: NE and Location Identifiers

Table of Contents 1. Introduction 2. Identifiers for Network Equipment (NE IDs) 3. Identifiers for User Location (Location IDs) 4. Closing and References 1. Introduction In the previous document, “Part I, LTE Identification I” [1], identifications of UE and ME have been described. This document (Part II, LTE Identification II), as the second...

08/26/2013

113,408

Technical Documents

LTE Identification I: UE and ME Identifiers

Table of Contents 1. Introduction 2. Classification of LTE Identification 3. Identifiers for User Equipment (UEI IDs) 4. Identifiers for Mobile Equipement (ME IDs) 5. Closing and References 1. Introduction In LTE network, different IDs are used to identify each entity depending on their relationship with other IDs just like different names and titles ar...

08/20/2013

159,780

Technical Documents

Network Architecture for LTE and Wi-Fi Interworking

08/16/2013

53,867

Technical Documents

LTE Security II: NAS and AS Security (Presentation version)

08/05/2013

23,654

Technical Documents

LTE Security II: NAS and AS Security

Table of Contents 1. Introduction 2. NAS Security 3. AS Security 4. Security Context 5. Closing and References 1. Introduction In LTE Security I[1], Part I of the LTE Security technical document, we have discussed LTE authentication based on EPS AKA procedure and learned a UE and an MME get to share the KASME when authenticated. In this document, w...

08/05/2013

221,692

Technical Documents

LTE Security I: Concept and Authentication (Presentation version)

07/31/2013

26,137

Technical Documents

LTE Security I: Concept and Authentication

Table of Contents 1. Introduction 2. LTE Security Concept 3. LTE Authentication Procedure 4. Closing and References 1. Introduction Wireless communication, in its nature, is always at a risk of eavesdropping or manipulation because data originally sent from/to a user may be received and unlawfully used by an unintended user. Locations or traveling routes...

07/31/2013

222,708

Technical Documents

LTE Network Architecture: Basic

Table of Contents 1. Introduction 2. LTE Network Architecture Reference Model 3. LTE Protocol Stacks 4. Closing References 1. Introduction This document presents the LTE network architecture as the first technical document of “LTE” area. The LTE network called EPS (Evolved Packet System) is an end-to-end (E2E) all IP network; EPS is...

07/10/2013

372,769

Technical Documents

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