Introducing ISDB-Tmm mobile multimedia broadcasting system

Introducing ISDB-Tmm mobile multimedia broadcasting systemmultimedia broadcasting system

Shinichiro TonookaSenior Manager StrategySenior Manager, Strategy

Mmbi, Inc.May 2010

Mobile Multimedia Broadcasting in Japan

A newly built mobile multimedia broadcasting network will be introduced nationwide after analog broadcasting network shut down on July 2011. Ad ti ISDB T t h l h d f ISDB T hi h iAdopting ISDB-Tmm technology, enhanced from ISDB-T, which is proven through actual worldwide penetration.Expected date of launch: April 1st, 2012

Nationwide mobile multimedia broadcastingNationwide mobile multimedia broadcasting

Broadcasting system : ISDB-Tmm: An enhanced technology from ISDB-T

Spectrum bandwidth : VHF band （207.5MHz~222MHz）

Broadcasting area : Nationwide coverage with Single Frequency Network (SFN)

R i : Mobile handsets / smartphones as primary receiversReceivers : Mobile handsets / smartphones as primary receivers,followed by dedicated receivers such as tablet devices or

PNDs.

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Services : Storage type service and high-quality real time service

[Appendix] Technical Specifications of ISDB-Tmm Standard

ISDB-Tmm ISDB-T(Terrestrial Digital TV, “One-seg”)

Segment Allocation

Any combination of 13-seg/1-seg format 6/7/8MHz (13 segments)

Oneseg

6/7/8MHz

13-seg formatISDB-T

ARIB STD-B31 / ITU-R BT1833

1-seg formatISDB-TSB

ARIB STD-B29 / ITU-R BT1833

Partial Reception HDTV

e.g. 2-layer Hierarchical Reception (including partial reception)

Partial Reception

Multiplexing MPEG-2 Systems

Modulation OFDM (DQPSK, QPSK, 16QAM, 64QAM)OFDM (DQPSK, QPSK, 16QAM, 64QAM)

Frequency Band VHF Band UHF Band

Transmission Data Rate 7.3Mbbps / 13 segments (16QAM)

561kbps / 1 segment(16QAM)One-seg：416kbps / 1 segment

(QPSK)

Strictly Confidential 2

[Appendix] ISDB-Tmm Protocol Stack

Real-time service File download service

Contents for real -time service PSI/SI Contents for

file download service ECG/EPG metadata

PES Section

FLUTE / AL -FEC

UDP / IP / ROHC

ULE

MPEG-2 TS

ISDB Tmm physical layerISDB-Tmm physical layer

SI: Service informationPSI: Program specific informationEPG: Electronic program guide

UDP: User datagram protocolIP: Internet protocolROHC R b t h d i EPG: Electronic program guide

ECG: Electronic contents guidePES: Packetized elementary streamFLUTE: File delivery over unidirectional transportAL-FEC: Application layer – forward error correction

ROHC: Robust header compressionULE: Unidirectional lightweight encapsulationTS: Transport stream


[Appendix] ISDB-Tmm Technical Features

(1) High Quality Media Coding (2) Advanced Inter-media Interaction•ITU-T H.264 / MPEG-4 AVC•MPEG HE-AAC, MPEG Surround

•Interaction between communications and broadcasting

(3) High Efficiency File Delivery Protocol

(4) Advanced Power Saving Mechanism

•Efficient File Transmission for Mobile Environments with AL-FEC•Lost data in broadcast channel can be

•Partial segment reception is supported•Intermittent reception for file download is supported by using advanced meta-

compensated with communication channels

pp y gdata


[Appendix] ISDB-Tmm tuner module now commercially available

Fujitsu Semiconductor Inc start shipping MB86A35 first ISDT-Tmm tuner moduleFujitsu Semiconductor, Inc. start shipping MB86A35, first ISDT Tmm tuner module, in April 2011.

ISDB T- ISDB-T- ISDB-T (One-seg)- ISDB-Tsb

ISDB Tmm- ISDB-Tmm- DVB-T- 6/7/8MHz multi-band

In a single mobule


Source: Press release http://jp.fujitsu.com/group/fsl/release/20110331-1.html

Introduction of ISDB-Tmm Services

ISDB-Tmm system seamlessly provides both storage type service and high-quality real time service in 13 segments format.

Storage Type ServiceStorage Type Service High-quality Real Time ServiceHigh-quality Real Time Service

-Watching live videos just like conventional -Storing contents to mobile handsets automatically

E j li

mobile television- Offering higher quality video programs

automatically.- Enjoying favorite contents at their own convenience (downloading files).

Live ConcertsMovie/Drama

Enjoy live programs such as sports, news, and music.

Can be used anytimeAnywhere.

Live NewsNewspapers

Audio fileNovels

E-MagazineVarious typesof contents

Sports game

of contents

Store contents to o r mobile handsets

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Store contents to your mobile handsets.

Adaptable Allocation between Services

ISDB-Tmm supports mixed environment of both storage type service programs and high-quality real time service programs.

1 segment format 13 t f t13 t f t 1 segment format 13 segments format13 segments format

0:00

Time

24 HoursHigh-quality real time service

Storage type service

7

23:59

Features of Storage Type Service –Data Supplementation

Multiple transmissions helps receiving entire files over broadcasting.If some parts of a file were missed after such multiple transmissions,

the missed data can be recovered over mobile network.

Basic concept and system structure of data supplementation

Filecasting #1・・・・・・・・・・・・

Broadcasting Network Mobile Network

Storage type service programs

Filecasting #1

2. Transmission request

#2

#31. Multiple transmissions

3. Data transmission

Received data packets: ・・・・・・・・・・・・・・

Missed data

p

・・・・・・・・・・・・

・・・・・・・・・・・・・・Data supplementation:

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Features of High-quality Real Time Service

ISDB-Tmm enables to broadcast higher quality video programs than “One-seg” does.

ISDB-Tmm ISDB-T “One-seg”

TV Programming -Original programming - Terrestrial TV programming

Supported Resolution 720 x 480(VGA+), 352 x 480, 320 x 240(QVGA) 320 x 240(QVGA)( )

Frame rates per second 30 15Codec ITU-T H.264/MPEG-4 AVC ITU-T H.264/MPEG-4 AVC

QVGA

VGA+

Technology

Introducing ISDB-Tmm mobile multimedia broadcasting system