2007-10-2007-10-0808

End-user Network and IPTV Receiver

Shuji Hirakawa

IEC Technical Committee 100 (TC 100) SecretaryIEC TC 100 AGS Secretary

IEC TC IEC TC 100100 2 2007-10-2007-10-08 08

Between IEC and ITU-R

ITU-R SG 6 and IEC TC 100 have implicit but very clear boundary in Broadcasting standardization TV Broadcasting standardization has long

history near 50 years since 1960s ITU-R SG 6 including its former SGs 10 and 11

has established good relationship with IEC Especially, receivers and professional

recording equipment ITU-R covers broadcasting side and IEC covers

receiver side

IEC TC IEC TC 100100 3 2007-10-2007-10-08 08

Digital broadcasting case

ITU-R developed Recommendations for broadcasting systems and IEC did International Standards of receivers

The following table shows an example of digital broadcasting system RECs and their receivers’ International Standards

Satellite Terrestrial Mobile (One-Seg./DVB-H)

ISDB

ITU-R

BO.1516 System D

BT.1306 System C

Doc. 6/374Multimedia System C

IEC IEC 62360 IEC 62360To be included in IEC 62360

DVB

ITU-R

BO.1516 System A

BT.1306 System B

Doc. 6/374 Multimedia System H

IEC IEC 62028IEC 62216-1IEC 62028

IEC 62002-1, 2IEC 62455

IEC TC IEC TC 100100 4 2007-10-2007-10-08 08

Reference Models of End-user Network

There are several reference models for end-user network

ITU-T SG 9 is revising its J.190 ITU-T FG IPTV is developing Home

Network model for IPTV service CEA/OCC is discussing Home-Network

Model for IPTV service with ATIS HN-WG.A is developing Node Reference

Model for Home Network DLNA seeks interoperability framework

IEC TC IEC TC 100100 5 2007-10-2007-10-08 08

ITU-T J.190 Rev.1

EP

EPPC plane

IC Audio DVCPC

DSCPrinter

EPBP

EP TEL/ FAXplaneVideo

phone

FAXMTA(VoIP)

Cordlessphone

EPBP

EP Homeappliance

planeMicrowave

oven Air-con

Cameramonitor

Refrigerator

Proprietary Protocol

Home Access Class(HA)

Home Bridge Class(HB)

Home Client Class(HC)

Home Decoder Class(HD)

PS

LC

LC

AccessNetwork

EP

EPDVD TVSTB

AV-HDDD-VHSAV plane

Internet Protocol (IP)Internet Protocol (IP)

LC

BP

BP

Otherplanes

RF

Modemor

ONT

J.190 Figure 5-1

IEC TC IEC TC 100100 6 2007-10-2007-10-08 08

ITU-T J.190 Rev.1 (Cont.)

J.190_F5-2

Home Network

CMTS

Cable Network

Application

CableNetwork

HB

BP

LC

HA

PSHC BP

LC

Cable Modem

EP

HomeIP Network

HomeIP Network

HomeProprietaryNetwork

SP-Domain

Q-Domain

S-Domain M-Domain

IPCable2Home Domain

Higher Layer Domain

QP-Domain

MP-Domain

ProprietaryDomain

HD

Access Network

ANAccess

Network

Modem or ONT

HDi

EP

HDp

IPNet2Home Domain

Shown in Figures 5-1 and 5-2, the MediaHomeNet architectural framework introduces the concept of logical elements. There are four distinct classes of logical elements defined by the MediaHomeNet architecture framework; these are referred to as Portal Services (PS), Layer-1/2 Converters (LC), Boundary Points (BP), and End Point (EP).

IEC TC IEC TC 100100 7 2007-10-2007-10-08 08

ITU-T FG IPTV/WG 5 Model

End-user network is consist of primary domain network and secondary domain network according to the ITU-T FG IPTV Document 126.

An IPTV end-user device can be connected to an Access Network through the Access Gateway and Primary Domain Network, and Secondary Domain Networks in addition to RF connection to Broadcasting Service Network.

Access GW

Primary Domain

(IP- HN- P) IPTV TD

Secondary Domain

IPTV- NW (e.g. NGN)

IP (IP- HN- S)

non- IP (PR- HN- S)

HN-TD

IP- HN- P: IP Home Network Primary IP- HN- S: IP Home Network Secondary PR- HN- S: Proprietary Home Network Secondary

U- Interface

NT

BC- NW

IPI-4 IPI-3 IPI-1 IPI-0/ IP1-1

Home Network

CEA/OCC Model

CEA/OCC Model

IEC TC IEC TC 100100 10 2007-10-2007-10-08 08

HN-WG.A Node Reference

Point A: Connection Point of IP End-User NetworkPoint B: Connection Point of Non-IP End-User NetworkPoint N: Connection Point between IP Wide Area Network and End-User Network

Wide Area Net-work

NT Access Gateway

IPEquipment

Non-IPGateway

Non-IPEquipment

IP Home Network

(Wired/Wireless)IP Home Network

(Wired/Wireless)

Point N Point A

Point B

Access Network

IEC TC IEC TC 100100 11 2007-10-2007-10-08 08

DLNA Interoperability Framework

Complete set of components to deliver user experience for sharing content

How media content is encoded and identified for interoperability

How media content is transferred

How media content is identified, managed, and distributed

How devices discover and control each other

How devices physically connect together and communicate

Content SharingFramework

Content SharingFramework

Networking &Connectivity

(IPv4, Ethernet, 802.11)

Networking &Connectivity

(IPv4, Ethernet, 802.11)

Device Discovery &Control

(UPnP Device Arch)

Device Discovery &Control

(UPnP Device Arch)

Media Management(UPnP AV)

Media Management(UPnP AV)

Media Transport(HTTP)

Media Transport(HTTP)

Media Formats(Images, Audio, AV)

Media Formats(Images, Audio, AV)

IEC TC IEC TC 100100 12 2007-10-2007-10-08 08

Overlapping foreseen in a year in case of IPTV

Unlike digital broadcasting case in ITU-R, management group members of ITU-T Focus Group on IPTV (FG IPTV) may have different historical background The members may come mainly from telecom

operators and their system and equipment suppliers

They may have less experience of working with other international standardization bodies including IEC than ITU-R Broadcasting Group

Formally, telecom operators were controlling their terminal devices that were distributed by themselves Broadcasting receivers have been in consumer

domain from the beginning

IEC TC IEC TC 100100 13 2007-10-2007-10-08 08

Overlapping foreseen in a year in case of IPTV (Cont.)

The specifications of consumer equipment like TV receiver has been standardized in IEC

ITU-T FG IPTV Working Group 5 is ‘End Systems’ including ‘Terminal Devices’ and ‘Home Network’ Some part of IPTV receivers may be obtained by end-

users from retail market (i.e. consumer equipment.) Some part of ‘IPTV Terminal Devices’ are just digital TV

receivers. Because IPTV may include some part of broadcasting

services, the framework of standardization should be as same as the case in ITU-R SG 6. Transmission side is under ITU (ITU-T) Receiver side should be under IEC including terminal

devices and home network

IEC TC IEC TC 100100 14 2007-10-2007-10-08 08

Actions Requested

IEC General Secretary and ITU-T Director should recognize ‘overlapping foreseen in a year’ between two bodies on IPTV receivers and end-user network.

IEC General Secretary and ITU-T Director should develop mechanisms to resolve the following issues in addition to current liaison mechanism between ITU SG and IEC TC: ITU-T asks IEC to develop an International

Standards under the scope of IEC, or vice versa. To develop dual logo (IEC & ITU-T) document if

necessary. To encourage JCA IPTV and JCA Home Network to

open the membership to IEC

IEC TC IEC TC 100100 15 2007-10-2007-10-08 08

IPTV is a case

It is observed that there are three types of IPTV: Internet Video (Type 1) Telco IPTV (Type 2) TV Over Net or Web TV (Type 3)

See the following pages The end-user devices (user premises)

should receive as many television services as possible while ITU-T FG IPTV is focusing mainly on Type 2.

Similar situation is foreseen in End-User Network (Home Network in ITU-T)

IEC TC IEC TC 100100 16 2007-10-2007-10-08 08

Type 1: Internet Video (TV)

Video content that is streamed over the internet to a home PC. User has to navigate, typically via the web browser on their home PC, to a particular website, selects the desired video contents to be viewed, and wait for the video streaming to begin.

Typically, content is viewed on the PC display, rather than a television display, unlike traditional TV content.

Users usually need traditional PC navigation devices, such as a keyboard and a mouse, to interact with the application and make his/her content selection.

In the first presentation, it is called as ‘Internet TV.’ E.g., YouTube, Google Video,

etc in USA, and Gyao, etc in Japan.

IEC TC IEC TC 100100 17 2007-10-2007-10-08 08

Type 2: Telco IPTV

Video services comprising a line-up of traditional TV programs, often in metaphors familiar to traditional TV users.

Users typically can choose to watch a “channel” of “linear” TV content.

The service is very similar, and sometimes identical, to a cable or satellite TV service.

A set-top-box (STB) is used to provide the video signal to a TV receiver display in consumer's home.

In some cases, a digital TV set can be a target receiver of telco IPTV services.

The user typically uses a remote control to navigate, select and interact with contents.

IEC TC IEC TC 100100 18 2007-10-2007-10-08 08

Type 3: TV Over Net or Web TV

A new TV receiver, or an adapter box, will have an Ethernet (RJ-45) jack that is used by the TV to navigate out onto the internet to access specific websites where either live or on-demand video content can be streamed to the TV.

In some parts of the world, such as Japan and parts of Europe, TV receivers that previously use the internet to access non-video data (e.g., local weather, traffic conditions, sports score, etc.) are now able to access video content over the internet.

User uses a remote control to navigate, through the internet-enabled TV receivers, the content selection.

IEC TC IEC TC 100100 19 2007-10-2007-10-08 08

International Standardization Activities in IEC

End-user system comprises ‘terminal (device)’ and ‘end-user network.’

International Electrotechnical Committee TC 100 (Audio, video and multimedia systems and equipment) has two Technical Areas (TAs): IEC TC 100/TA 1: Terminals for audio, video and

data services and content IEC TC 100/TA 9: Audio, video and multimedia

applications for end-user network

IEC TC IEC TC 100100 20 2007-10-2007-10-08 08

IP connection within end-user network

IEC TC 100 has developed two International Standards based on DLNA Specifications. IEC 62481-1 Ed.1: DLNA Home networked device

interoperability guidelines - Part 1: Architecture and Protocols

IEC 62481-2 Ed.1: DLNA Home networked device interoperability guidelines - Part 2: Media Formats → See next page

‘DTCP-IP’ allows end-user IP network to carry HDTV content between a TV receiver and digital recording devices under localization restriction (a measured RTT should be less than 7 milliseconds.) DTCP: Digital Transmission Content Protection RTT: Round Trip Time

An end-user device with HDTV video decoding capability has high-speed IP connectivity using an RJ-45 connector at least. → Show an example later

IEC TC IEC TC 100100 22 2007-10-2007-10-08 08

Requirements of IPTV end-user devices

Set Top Box or Digital Television Receiver? Some of STBs may be distributed to IPTV subscribers (end-

users) by Telco IPTV enterprise while some of them are obtained from retail market. Distributed STBs by some Telco IPTV enterprises may have

‘walled garden’ restriction for ‘linear’ TV and/or VoD services. HDTV output of STB may be displayed on a TV receiver using

HDMI. All digital television receivers are from retail market.

End-users are like to connect their own property, TV receiver, to any possible source including off-air terrestrial RF channels, satellite channels, some STBs, Internet TV, Telco IPTV, WebTV, etc.

Current digital TV receiver has a lot of connecters on its back panel including HDMIs, Terrestrial Coax, Satellite Coax, IEEE-1394s, RJ-45s, etc. Show an example later.

Remote controller and large screen display

An example of end-user device block diagram for IPTV

RF Tuner

RF signalFront End Processor

De-scramble

Com

munica

tion

Pro

cessin

g

Coax

Streamingprocess

De-cipher

Po

rt

MP

EG

2-TS

De-M

UX

AudioDecoder

VideoDecoder

Caption

SI/EPG

BMLBrowser

MPEG-PSPlayer

Control

Po

st Process/O

verla

y

Au

dioOut

HD

MI

IRR

emote

Con

troller

BCASCard

SecurityModule

Internet Access

VoD Control

IPTV Channel

Additional part for IPTV

An example of digital TV receiver back panel It has three RJ-45 connectors:

One for a direct connection to HGW for 4th MEDIA (Linear IPTV and VoD provider using FTTH)

One for external HDD for recording and retention One for general purpose IP connection, for special EPG,

Internet TV including ‘Actvila’ (www.actvila.jp), etc.

RJ-45 x 3:for HDD, for General Purpose, and for 4th MEDIA

HDMI x 2for 1080/60P

USB for HDD

IEC TC IEC TC 100100 25 2007-10-2007-10-08 08

Requirement for end-user network connectivity

Recording capability is very important for IPTV STB and digital TV receiver.

DLNA provides content viewing of recording equipment (Digital Media Server) by a large screen flat panel display such as digital TV receiver (Digital Media Player).

Content including HDTV is transmitted over IP connection of end-user network.

IP connection is protected by DTCP-IP in case of Japan.

End-user network is existing while there are so many cases household by household.