異質無線網路整合與 漫遊技術簡介 交通大學資工系 曹孝櫟助理教授

Heterogeneous Wireless Network Integration (1/4) Generic Architecture Mobile Terminal Radio Access Network Core Network Service Network WiMAX/ WiMAX relay All IP Fixed Mobile Convergence WLAN/ WLAN mesh 3G/B3G New Air/ 4G BT/UWB … Multi-mode & Heterogeneous Heterogeneous & overlay Broadband & IP IMS/SIP AAA Network

Heterogeneous Wireless Network Integration (2/4) IETF Perspective WiMAX/ WiMAX relay All IP + Application Mobility Or Network Mobility IP-based applications Mobility WLAN/ WLAN mesh 3G/B3G New Air/ 4G BT/UWB … Multi-mode & Heterogeneous Heterogeneous ANs IPv4 or IPv6

Heterogeneous Wireless Network Integration (3/4) IEEE Perspective WiMAX/ WiMAX relay All IP + Application Mobility Or Network Mobility IP-based applications Mobility WLAN/ WLAN mesh 3G/B3G 802.21 IEEE New Air/ 4G IEEE 802.21 BT/UWB … Multi-mode & Heterogeneous Heterogeneous ANs IPv4 or IPv6

Heterogeneous Wireless Network Integration (4/4) 3GPP/WiMAX Perspective UMA 3GPP Core IP Core CSCF/… 3GPP AN WLAN AN PDG WiMAX Core WiMAX AN 3GPP/WLAN/WiMAX Terminal 3GPP/WLAN/WiMAX AN 3GPP/WiMAX & IP Core Network IMS/SIP

Application Layer: SIP Mobility Terminal mobility: pre-call Terminal mobility: mid-call Personal Mobility Service Mobility SIP for Mobility presentation, SIP 2001, Henning Schulzrinne

Application Layer: SIP Mobility Handoff Delay Analysis for SIP Mobility in IPv6 Testbed, N. Nakajima, A.Dutta, S. Das, H. Schulzrinne

Network Layer: Mobile IP Inside Mobile IP, Narendra Venkataraman,  Dr. Dobb's Journal

Network Layer: SCTP/Multi-homing http://www.ibm.com/developerworks/cn/linux/l-sctp/figure2.gif

Network Layer: IETF WGs Mext: Mobility EXTensions for IPv6 Mipshop: Mobility for IP: Performance, Signaling and Handoff Optimization Netlmm: Network-based Localized Mobility Management Shim6: Site Multihoming by IPv6 Intermediation Mip4: Mobility for IPv4

Network Layer: 3GPP www.3gpp.org

Network Layer: 3GPP2 www.3gpp2.org

Network Layer: WiMAX Forum http://www.wimaxforum.org/home/

Link Layer: UMA UMA, 3GPP

802.21: Key Services Link Layer Triggers Network Information 802.21 Overview 802.21: Key Services 802.21 MIH Function Protocol and Device Hardware Applications (VoIP/RTP) Connection Management WLAN Cellular WMAN L2 Triggers and Events Information Service Mobility Management Protocols Smart Triggers Handover Messages Handover Management Handover Policy IEEE 802.21 IETF Link Layer Triggers State Change Predictive Network Initiated Network Information Available Networks Neighbor Maps Network Services Handover Commands Client Initiated Vertical Handovers 802.21 uses multiple services to Optimize Vertical Handovers 2018-04-17 http://ieee802.org/21/

3GPP Perspective

Inter-working Model

Simplified Reference Model

6 Scenarios

6 Scenarios (Cont.)

3G services over WLAN SMS MMS Presence IMS LCS MBMS MexE OSA UE Management (UEM)

Simplified WLAN Network Model

Network Advertising and Selection Scenario

Network Advertising and Selection Scenario (Cont.)

Non-roaming reference model

Roaming reference model

Roaming reference model (Cont.)

Protocol stack between the WLAN UE and PDG

I-WLAN and VPLMN Selection Procedure

WLAN Access Authentication and Authorization

WLAN Session Authentication and Authorization

EAP/AKA Procedure

EAP/AKA Procedure

EAP/SIM Procedure

EAP/SIM Procedure

EAP AKA fast re-authentication

EAP SIM Fast re-authentication

Subscriber Profile Update

Access and service Authorization information update procedure

W-APN resolution and Tunnel establishment

WLAN shared by multiple ISPs and PLMNs

Traffic routing based on the use of VLANs in the WLAN AN

DNS controlled reverse NAT procedure

WLAN AN connected to a single ISP

Architecture for support of SMS

SMS delivery to IP terminal

SMS origination from IP terminal

Complete SMS call flow with WLAN interworking

PDG implementation re-using GGSN functionality

Mapping between E2E tunnel and GTP tunnel

Tunnel establishment procedure

Non Roaming Reference Model

Roaming reference model

Roaming reference model

WLAN offline charging architecture

WLAN online charging architecture

Offline Charging Accounting Requests

Online Charging AA-Requests

Charging Procedure for Online Charged Subscribers

Unlicensed Mobile Access (UMA)

UMA Briefing Provides access to GSM and GPRS mobile services over unlicensed spectrum technologies, including Bluetooth and 802.11 Service providers can enable subscribers to roam and handover between cellular networks and public and private unlicensed wireless networks using dual-mode mobile handsets With UMA, subscribers receive a consistent user experience for their mobile voice and data services as they transition between networks Open specifications (3GPP standards), June 19, 2005

UMA Participating Companies Alcatel British Telecom Cingular Ericsson Kineto Wireless Motorola Nokia Nortel Networks O2 Research in Motion Rogers Wireless Siemens Sony Ericsson T-Mobile US

UMA Architecture

UMA Functional Architecture

3G Reference Model

UMAN

UMA Functional Architecture

Up Signaling Protocol Architecture for CS Domain

Up interface L1/L2 options

MS CS domain Signaling Architecture

Up GSM Speech Bearer Protocol Architecture

MS Architecture to support Speech

Up GPRS Signaling Architecture

MS GPRS Architecture

Up GPRS User Plane Protocol Architecture

UMA Security Mechanisms

Discovery & Registration

EAP-SIM authentication procedure

Mobile Originated Speech Call

Mobile Terminated Speech Call

Handover to UMAN

Handover to GERAN

Triggering of UL Quality Indication

Activation of URLC Transport Channel

URLC state

NW Initiated URLC Transport Channel Activation

User Plane Data Transport

Signalling Plane Data Transport

Packet Paging for GPRS

Packet Paging for CS Service

Downlink Flow Control

Uplink Flow Control

UMA to UMA handover

Session Management

3GPP2 Perspectives

Interworking model

3GPP2 Architecture

Intra PDSN Handover

Inter PDSN Handover

Reference model for WLAN Interworking Scenario 3

Reference model for WLAN Interworking Scenario 4

802.21 Perspectives

IEEE 802.21 Briefing IEEE 802.21 is developing standards to enable handover and interoperability between heterogeneous network types including both 802 and non 802 networks

MIH Function Location and Key Services

802.21 Logical Reference Model

General MIH Reference Model

MIH Reference Model for 802.11

MIH Reference Model for 802.16

MIH Reference Model for 3GPP

MIH Reference Model for 3GPP2

MIH Reference Model for Multimode

MIH Interface

Link Events

Remote Link Events

Remote MIH Events

Remote Link Events

Remote MIH Events

WiMAX Forum Perspectives

WiMAX-3GPP Interworking (Non-Roaming Case)

Loosely-Coupled Interworking of WiMAX with 3GPP2

DSL Reference Architecture

WiMAX IEEE 802.16 FWA Deployment in a DSL Network

WiMAX Integration with DSL Services

WiMAX Integration with DSL Access Networks

異質無線網路整合與漫遊技術與實驗平台介紹

1 Introduction to heterogeneous wireless network integration, inter-working, roaming, and handover 1.1 Motivations 1.2 Categories of integration and inter-working 1.3 Categories of roaming 1.4 Categories of handover (hard, soft, softer, vertical, horizontal, …) 1.5 System architecture overview 1.6 Technologies overview 2 System architectures of heterogeneous wireless network integration and inter-working 2.1 FMC/NGN model 2.2 IETF model 2.3 3GPP model 2.4 3GPP2 model 2.5 WiMAX Forum model 2.6 IEEE model 3 Application-layer technologies for roaming and seamless handovers 3.1 AAA roaming issues 3.2 SIP mobility

4 Network layer technologies for seamless handovers 4.1 IETF model 4.1.1 Mobile IPv4 4.1.2 Mobile IPv6 4.1.3 Advanced Mobile IP technologies (Handover optimization) 4.1.4 SCTP 4.1.5 Multi-homing 4.1.6 IETF WGs and activities for heterogeneous wireless network integration and handover 4.2 3GPP2 model 4.2.1 3GPP2-WLAN integration 4.3 3GPP model 4.3.1 3GPP-WLAN integration 4.4 WiMAX forum model 4.4.1 WiMAX-3GPP integration 5 Medium access layer technologies for seamless handovers 5.1 3GPP UMA(Unlicensed Mobile Access) 5.2 IEEE 802.21 media independent handover (MIH) 6 Performance evaluation for heterogeneous wireless network integration and handover 6.1 Modeling technologies 6.2 Simulation technologies 6.3 Simulation platforms and tools 6.4 Simulation results and performance analysis for heterogeneous wireless network integration and handover

Experimental Environment

Lab 1 Observe the behaviors of heterogeneous wireless network roaming Students learn how heterogeneous wireless network handover occurs, how to use these tools, and can observe handover in a lab environment. Roaming and AAA Lab 2 SIP mobility Based on the experimental environment setup in Lab 1. Students install SIP package on the portable device with multiple interface. Students can exercise the SIP mobility and evaluate its performance. Lab 3 Mobile IP Lab Based on the experimental environment setup in Lab 1. Students install Mobile IP package on the portable device with multiple interface. Students can exercise the Mobile IP and evaluate its performance. Lab 4 IEEE 802.11 Lab Based on the experimental environment setup in Lab 1. Students can exercise WLAN handover and evaluate its performance.

Lab Architecture

Lab Setup

Thank you