Network Design

Our assumption Primary target: Mobile Router Scenarios

NEMO Basic Support only NEMO Basic Support and PMIPv6 support on WiMAX

MR uses the HoA assigned by LMA as CoA Optional target: Mobile Node Scenarios

Mobile IPv6 Proxy Mobile IPv6 Mobile IPv6 and Proxy Mobile IPv6

The similar techniques developed for the primary target may be applied to this scenario as well

Out of scope Regular IPv6 node Regular IPv6 router Mobile Router support by Proxy Mobile IPv6

PMIPv6 does not support mobile network

Primary: NEMO over WiMAX for IPTV

IPTV Service Platform

IGMPPIM

Multicast Source

CSN

ASN-GW

ASN-GW

ASN-GWASNMR

MR

IGMP Proxy

Multicast Stream

IGMP Report

HA: Home AgentMR: Mobile Router

NEMO Basic Support only

HA

IPTV Service Platform

IGMP

Multicast Source

CSNLMA

MAG

MAG

MAGASN

IGMP Proxy

MR

MR

IGMP Proxy

Multicast Stream

IGMP ReportLMA: Localized Mobility Anchor MAG: Mobility Access GatewayHA: Home AgentMR: Mobile Router

NEMO Basic Support and P-MIPv6 support on WiMAX

PIM

IGMP ProxyHA

Optional: MIP6 over WiMAX for IPTV

IPTV Service Platform

IGMP

Multicast Source

CSN

ASN-GW

ASN-GW

ASN-GWASNMN

Multicast Stream

IGMP Report

HA: Home AgentMN: Mobile Node

MN

Mobile IPv6

PIM

HA

IPTV Service Platform

PIM

Multicast Source

CSNLMA

MAG

MAG

MAGASN

IGMP Proxy

MN

Multicast Stream

IGMP Report

LMA: Localized Mobility Anchor MAG: Mobility Access GatewayMN: Mobile Node

MN

Proxy Mobile IPv6

IGMP

IPTV Service Platform

IGMP

Multicast Source

CSNLMA

MAG

MAG

MAGASN

IGMP Proxy

Multicast Stream

IGMP ReportLMA: Localized Mobility Anchor MAG: Mobility Access GatewayHA: Home AgentMN: Mobile Node

Mobile IPv6 and Proxy Mobile IPv6

PIM

IGMP Proxy

MN

MN

HA

Out of Scope

IPTV Service Platform

IGMPPIM

Multicast Source

CSN

ASN-GW

ASN-GW

ASN-GWASNnode

node

IGMP Proxy

MR: Mobile Router

IPv6 Node

Multicast Stream

IGMP Report

IPTV Service Platform

IGMP

Multicast Source

CSN

ASN-GW

ASN-GW

ASN-GWASNRouter

LMA: Localized Mobility Anchor MAG: Mobility Access GatewayMN: Mobile Node

Router

IPv6 Router

PIM

Multicast Stream

IGMP Report

IPTV Service Platform

IGMP

Multicast Source

CSNLMA

MAG

MAG

MAGASN

IGMP Proxy

MR

MR

IGMP Proxy

Multicast Stream

IGMP Report

LMA: Localized Mobility Anchor MAG: Mobility Access GatewayMR: Mobile Router

Proxy - NEMO?? (really?)

PIM

Research Plan

Research Areas

We address three areas and work on IPTV over WiMAX for these three areas. Note that we don't imply that we will have a deliberative item per area. This is just our formation. We may deliver three items from one of area depending on discussions with Huawei.

Network: Mobility and Multicast Layered Multicast for IP multicast/MCBCS Quality adaptation for IPTV on WiMAX

1. Network Area

Research Topics

The multicast states transfer when MN is roaming. We consider the PMIP case and assumes MAG is available in the ASN. There are two possibilities here, 1) State trasfer from LMA to MAG during the binding registration, 2) State transfer from old MAG to new MAG. The 2) approach has several problems such as new MAG discovery and security association between MAGs,etc. The assumed states are …

Analysis on multi-IGMP Proxies PIM vs IGMP proxy network design

IGMP tuned for WiMAX Query interval Limiting leave query

proxy has states or not?

Research Topics

About MCBCS Support We believe whether MCBCS is used in wireless path is nothing t

o do with the IP network design and IP multicast design unless we consider layered-multicast (see the research area2).

L3 is nothing to do with the L2 transport method. From L3 point of view, either P2P-unicast or MCBCS is same.

If Huawei is interested in, we can investigate the Multicast ID mapping to IP flow. Only our concern is that many people has already worked on this topic (ex. 16ng).

2. Layered Multicast Area

Layered multicast foradaptive modulation

Problem statement With WiMAX multicast, multicast data transmission rate depends

on the link capacity of the node whose link quality is worst Nodes with good wireless connection cannot get high-quality multi

cast data Combination of layered multicast and adaptive modulation

Nodes come to be able to receive the multicast data with proper quality depends on their wireless connection quality

Key Technolgies Layered multicast

Network resource aware multicast data transmission method Multicast group management

Dynamic IP multicast group management based on the nodes’ current physical layer modulation

Mapping between an IP multicast group to a modulation based WiMAX multicast group

Layered Multicast

Hierarchical data structure Data are divided into several “Layer”

Layer is multimedia data unit Video quality control selecting the num

ber of accepting layers Layer

Base Layer Base Multimedia data

Enhanced Layer Quality enhancement data

Multicast tree structure Data are deliverd with IP multicast Senders provide maximum quality data Intermediate nodes decrease layers to se

nd adapting to the network resource

64QAM 16QAM QPSK BPSK

64QAM Capable Group:FEC0::2:1

16QAM Capable Group:FEC0::2:2

QPSK Capable Group:FEC0::2:3

BPSK Capable Group:FEC0::2:4

Modulation basedmulticast group management

Base Layer

Enhance Layer 1

Enhance Layer 2

Enhance Layer 3

BPSK

QPSK

16QAM

64QAM

Layered multicastfor adaptive modulation

3. Quality adaptation for IPTV on WiMAX

Our assumption and primary target

Network Scenario: NEMO Basic Support only NEMO Basic Support and PMIPv6 support on wimax

Target: focusing on “multicast over unicast” Providing the stable IPTV broadcast quality

help reducing quality losses Reduce the time in which the quality is kept bad

Adaptation range for keeping quality Between BS and Mobile router The upper range could be based on QoS (L3, L2)

IPTV Service Platform

IGMP

Multicast Source

CSNLMA

MAG

MAG

MAGASN

IGMP Proxy

MR

MR

IGMP Proxy

Multicast Stream

IGMP ReportLMA: Localized Mobility Anchor MAG: Mobility Access GatewayHA: Home AgentMR: Mobile Router

Network Scenario(1/2)

PIM

IGMP ProxyHA

Adaptation range

IPTV Service Platform

IGMPPIM

Multicast Source

CSN

ASN-GW

ASN-GW

ASN-GWASNMR

MR

IGMP Proxy

Multicast Stream

IGMP Report

HA: Home AgentMR: Mobile Router

Network Scenario(2/2)

HA Adaptation range

The overview about adaptation

ASN

BSProxy

AR

CSN

Adaptation

adaptation

QoS based on each connection

802.16e MAC Layerwireless link control QoS scheduling

＋ proposed adaptation method

adaptation

MR

adaptation

Multicast flow・ ASNGW,・ MAG,・ Original　 server

Our focus point

Adaptation model

MPEG2-TS H.264/MPEG4 MPEG1/2

Reducing consumption bandwidth (recompression/Rate control)Dynamic FEC

EncryptionDecryptionAuthentication

UpperLayer

NetworkLayer

DataLinkLayer

Unicast

Multicast

Middleware

Ethernet ATM

Service Specific Convergence Sublayer

802.16eMAC Common Part Sublayer

OFDM/OFDMAPhysicalLayer

IPTV VideoAudio

Research Plan Take account of wimax characteristic

to use FEC and Rate Control effectively Video format The amount of receive buffer

Parameter Received signal strength BER PER The number of multicast channel (join,leave)

Middleware To get the wireless link state for adaptation

MR, ASNGW, BS… Policy management

Collaboration within other flow @ Wimax Encryption/decryption and authentication (our scope?)

Resource management for high priority flow