DEPLOYING MOBILE WIMAX

Contents

About the Authors

Preface

Acknowledgements

List of Acronyms

1 Introduction

1.1 WiMAX in the Telecommunication Markets

1.1.1 Integrated Services Digital Networks

1.1.2 The Digital Subscriber Line to the Internet

1.2 Mobile WiMAX Specifications

1.2.1 Specification Areas

1.2.2 Development Process for WiMAX Interoperability

1.2.3 Documentation Structure of the WiMAX Forum

1.3 About This Book

2 Network Architecture

2.1 Providing Access to the Internet

2.1.1 Traditional Operator Networks

2.1.2 Internet Access Networks

2.1.3 Mobile WiMAX Networking

2.2 Mobile WiMAX Network Reference Architecture

2.2.1 Reference Points in the Mobile WiMAX Network

2.2.2 The Mobile WiMAX Network Reference Model

2.2.3 Control Plane Functions

2.2.4 Data Path

2.2.5 Transport Plane

2.2.6 Mobile WiMAX Identifiers

2.3 Mobile WiMAX Roaming Architecture

2.3.1 Roaming Functions

2.3.2 Roaming Models

2.3.3 WiMAX Roaming Interface

2.4 Ethernet Services Support

2.4.1 Ethernet Services

2.4.2 Ethernet Standards

2.4.3 Ethernet Services Support in Mobile WiMAX

2.4.4 Deployment Options

2.5 Mobile WiMAX and 3GPP SAE/LTE

2.5.1 Introduction to SAE

2.5.2 Architectural Differences

2.5.3 Deployment Differences

3 Subscription Handling and Security

3.1 The Meaning of a Subscription

3.2 A Network Reference Model for Security

3.3 Subscription versus Device Authentication

3.3.1 Subscription Types and Security Credentials

3.3.2 Authenticated Network Access

3.3.3 EAP and EAP Methods

3.3.4 WiMAX-SIM Cards

3.4 Certificates and the WiMAX Public Key Infrastructure

3.4.1 A Brief Overview: Digital Certificates and PKI

3.4.2 WiMAX PKI Hierarchy

3.4.3 WiMAX Certificate Profiles

3.4.4 Certificate Revocation

3.4.5 Challenges

3.4.6 Use Cases

3.5 Security Design Considerations in the WiMAX Network Architecture

3.5.1 Authenticator Mobility Support

3.5.2 Anchor Authenticator and Relocation

3.5.3 Identity Hiding

3.6 ‘Bootstrapping’ a Subscription OTA

3.6.1 Subscription Creation and Device Models

3.6.2 OTA Provisioning Model and Protocols

3.6.3 Activation and Initial Network Entry

3.6.4 Reprovisioning

3.7 Identities in Mobile WiMAX

3.7.1 Overview of WiMAX Identities

3.7.2 Device Identity

3.7.3 Subscription Identity

3.7.4 Identities within the Network

3.8 AAA Protocols and Routing in WiMAX

3.8.1 RADIUS and Diameter Overview

3.8.2 Making WiMAX Speak AAA

3.8.3 Routing of AAA Messages and Roaming

4 Service Provisioning

4.1 Enablers for WiMAX-Based Services

4.1.1 Motivation and Available Service Enablers

4.2 AAA Support for Services and Applications

4.2.1 Overview

4.2.2 Mobility Support from AAA

4.3 Accounting and Charging

4.3.1 Architecture and WiMAX-Specific Aspects

4.3.2 Offline Accounting and Session Concept

4.3.3 Online Accounting

4.3.4 Accounting-Related Identifiers

4.4 Network QoS Architecture

4.4.1 Motivation and Overview

4.4.2 The Basic WiMAX QoS Concepts

4.4.3 Flow Management and Dynamic QoS Support

4.4.4 Identifiers

4.4.5 The PCC Framework for WiMAX

4.5 Location Support

4.5.1 WiMAX Architecture for Location Support

4.5.2 Scenarios and Use Cases

4.5.3 Communication between Device and Network

4.5.4 AAA Integration of Location Support

4.6 IMS Support

4.6.1 Architecture Overview and WiMAX Impact

4.6.2 Service Discovery and Roaming Aspects

4.6.3 IMS Identities

4.7 Emergency Services in WiMAX

4.7.1 Motivating the Problem Space

4.7.2 WiMAX Architecture for Emergency Services Support

4.7.3 Design Criteria and Building Blocks

4.7.4 Limited Access to Emergency Services

4.7.5 Roaming Considerations

4.7.6 Further Aspects of Emergency Support

5 Mobility

5.1 Mobile Networking

5.1.1 Mobility Mechanisms in Packet-Based Networks

5.1.2 Mobile IP

5.1.3 Link Layer Mobility

5.2 WiMAX Mobility Architecture

5.2.1 Mobility Anchors

5.2.2 Hierarchy

5.3 CSN-Anchored Mobility

5.3.1 CMIPv4

5.3.2 CMIPv6

5.3.3 PMIPv4

5.3.4 PMIPv6

5.4 ASN-Anchored Mobility

5.4.1 R6 Mobility

5.4.2 R4 Mobility

5.4.3 Unprepared Handover

5.5 Simple IP

5.5.1 HA-less Architecture

5.5.2 Unspecified R3 Data Path

5.6 Mobility Restriction

5.6.1 Dynamic Limitation of Attachment and Handover

6 WiMAX Radio Interface

6.1 Physical Layer

6.1.1 Overview of OFDMA

6.1.2 Frame Structure

6.2 MAC Layer

6.2.1 Protocol Data Unit

6.2.2 Basic Control Signaling

6.2.3 Network Entry and Initialization

6.2.4 Connection Management and QoS

6.3 Mobility Support

6.3.1 Handover

6.3.2 Sleep Mode

6.3.3 Idle Mode

7 Radio Evolution beyond System Profile Release 1.0

7.1 Mobile WiMAX System Profile Release 1.5

7.1.1 Support of Frequency Division Duplexing

7.1.2 Persistent Allocation for VoIP

7.1.3 Load Balancing and Seamless Handover

7.1.4 Location-Based Services

7.1.5 Coexistence with Wi-Fi and Bluetooth

8 Outlook

8.1 WiMAX Forum Release Planning

8.2 Network Architecture Evolution

8.3 Support for Femtocell Deployments

8.4 IEEE 802.16m and Relay Support

References

Index