VoLTE and ViLTE voice and conversational video services over the 4G mobile network 1st Edition by Andre Perez ISBN 1848219237 9781848219236

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Product details:

ISBN 10:    1848219237    
ISBN 13: 978-1848219236
Author:      André Pérez

This book presents the architecture of two networks that make up the backbone of the telephone service VoLTE and video service ViLTE. The 4G mobile network makes it possible to construct bearers through which IP packets, containing either telephone signals (SIP, SDP) or voice or video media (RTP stream), are transported.

The IMS network performs the processing of the telephone signal to provide VoLTE and ViLTE services, including call routing and the provision of additional services. Different procedures are described: the set-up and termination of a session, interconnection with third-party networks, roaming and intra-system handover.

The inter-system handover PS-CS is a special case that occurs when the mobile loses 4G network coverage over the course of a session. The e-SRVCC mechanism enables continuity of the service during the switch of the telephone communication to the 2G or 3G networks. The SMS service for short messages, which is a special telephone service in itself, is provided by two structures, one relying on the IMS network, and a second on the CSFB functionality.

VoLTE and ViLTE voice and conversational video services over the 4G mobile network 1st Table of contents:

Chapter 1: Network Architecture

1.1 EPS Network
1.1.1 Functional Architecture
1.1.2 Protocol Architecture
1.1.3 Bearers

1.2 IMS Network
1.2.1 Functional Architecture
1.2.2 Protocol Architecture

1.3 Databases
1.3.1 Functional Architecture
1.3.2 Protocol Architecture

1.4 Charging Associated with IMS Network
1.4.1 Functional Architecture
1.4.2 Protocol Architecture

1.5 PCC Function
1.5.1 Functional Architecture
1.5.2 Protocol Architecture

1.6 DIAMETER Routers

1.7 ENUM System

1.8 IPX Network

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Chapter 2: Signaling Protocols

2.1 NAS Protocol
2.1.1 EMM Messages
2.1.2 ESM Messages

2.2 RRC Protocol
2.2.1 System Information
2.2.2 Control of RRC Connection
2.2.3 Measurement Report

2.3 S1-AP Protocol
2.3.1 Context Management
2.3.2 Bearer Management
2.3.3 Mobility Management
2.3.4 S1-MME Interface Management

2.4 X2-AP Protocol
2.4.1 Mobility Management
2.4.2 Load Management
2.4.3 X2 Interface Management

2.5 GTPv2-C Protocol
2.5.1 Bearer Management
2.5.2 Mobility Management

2.6 SIP Protocol
2.6.1 Requests
2.6.2 Responses

2.7 SDP Protocol

2.8 DIAMETER Protocol
2.8.1 Application to EPS Network
2.8.2 Application to IMS Network
2.8.3 Application to PCC Function

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Chapter 3: Basic Procedures

3.1 Attachment
3.2 Registration
3.3 Deregistration
3.4 Detachment
3.5 Establishment of VoLTE Session
3.5.1 Originating Side
3.5.2 Terminating Side

3.6 Termination of VoLTE Session
3.6.1 Initiated Side
3.6.2 Received Side

3.7 Establishment of ViLTE Session

3.8 Termination of ViLTE Session

3.9 Emergency Call

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Chapter 4: Radio Interface Procedures

4.1 Radio Interface
4.1.1 Data Link Sub-layer
4.1.2 Logical Channels
4.1.3 Transport Channels
4.1.4 Physical Layer
4.1.5 Physical Signals
4.1.6 Physical Channels

4.2 Procedures
4.2.1 Access Control
4.2.2 Data Transfer

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Chapter 5: Service Profiles

5.1 Subscription Data
5.1.1 Subscription to the EPS Network
5.1.2 Subscription to the IMS Network

5.2 VoLTE Profile Service
5.2.1 Supplementary Telephone Services
5.2.2 Audio Flow

5.3 ViLTE Profile Service
5.3.1 Supplementary Conversational Video Service
5.3.2 Video Flow

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Chapter 6: Interconnections

6.1 Interconnection with CS Network
6.1.1 Functional Architecture
6.1.2 Protocol Architecture
6.1.3 Session Establishment
6.1.4 Session Termination

6.2 Interconnection with IMS Network
6.2.1 Functional Architecture
6.2.2 Session Establishment

---

Chapter 7: Handover

7.1 Introduction

7.2 Handover Based on X2
7.2.1 Handover Based on X2 without Relocation
7.2.2 Handover Based on X2 with Relocation

7.3 Handover Based on S1
7.3.1 Handover Based on S1 without Relocation
7.3.2 Handover Based on S1 with Relocation

7.4 PS-PS Inter-System Handover
7.4.1 Functional Architecture
7.4.2 Procedure

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Chapter 8: Roaming

8.1 Functional Architecture
8.1.1 Roaming Applied to the EPS Network
8.1.2 Roaming Applied to the IMS Network

8.2 Procedures
8.2.1 Session Establishment for Nominal Routing
8.2.2 Session Establishment for Optimal Routing

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Chapter 9: Service Centralization and Continuity

9.1 ICS Function
9.1.1 Functional Architecture
9.1.2 Procedures

9.2 e-SRVCC Function
9.2.1 Functional Architecture
9.2.2 Procedures

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Chapter 10: Short Message Service

10.1 Message Structure
10.1.1 SM-TL Layer
10.1.2 SM-RL Layer
10.1.3 SM-CL Layer

10.2 SMS over SGsAP
10.2.1 Functional Architecture
10.2.2 Procedures

10.3 SMS over SIP
10.3.1 Functional Architecture
10.3.2 Procedures

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