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2
Today’s Agenda
• Introduction
• Mobile TV Defined / Market Opportunity
• Mobile TV Broadcast Technologies (Mobile Media Multicast)
• Modeo Mobile TV Broadcast Network
3
What is Mobile TV?
• Yet Another Content Delivery Platform
• Television-like Services to Wireless Handheld Devices− Mobile Phones, Laptops, Portable Media Players, PDAs
• Higher Speed Data Broadcasting (Datacasting) to Handheld Devices
• Multiple Media Types− Linear Channels / Live A/V Streams− Non-linear Channels / A/V File Transfer (Pod or Clip casting)
• Integrated with Cellular (Low speed) Data Services (Web Interactivity)
5
Motivation for Mobile TV
• Last Frontier for Convergence− Broadcasting TV Content to Mobile Devices
• TV-like Services Highly Desirable – Market Research
• Download Short Clips Available Today – 2.5G / 3G
• Single “Media” Device Desirable
• Feature-rich Mobile Phones Becoming a Commodity
• Carriers Need for Enhanced Mobile Services
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Use Cases
• Relaxation at Idle Times− Business Users and Travelers− Movies, Clips, Info Channels, etc…
• Information for Business Users / Travelers− Stock Charts, Weather Forecasts, News
• iPod Generation
7
Market Opportunity
• Opportunity for Content Providers− New Content / Channels− Brand Tie-In with Current Channels/Networks
• Opportunity for Telecom Network Providers− New / Enhanced Mobile Services
• New Opportunity for Multicast Network Operators− MediaFLO USA− Modeo (Crown Castle Mobile Media)
8
Mobile TV Rollout Timing
• 2004− Early Field Tests in Specific Cities
• 2005− Early Consumer Trials of DVB-H and ISDB-T Worldwide
• 2006− Larger Consumer Trials / Initial Deployments
• 2007− Mass Deployment of Consumer Mobile TV
9
Mobile TV Content
• From Giant Screen to Tiny Screen
• New / Re-purpose Content Channels• New Content Providers / New Channel Formats• Choice of Content is Key
• Mobile TV Content Must be Short(er)• Successful 3G Services Provide Valuable Lessons
− Mobisodes Successful Short Content− Specialized Content (Podcast) in High Demand
• New Usage Patterns / Demographics / Advertising Models
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Target Content Format
• Image Resolution - 320 x 240• Frame Rate - 20-30fps• Encoded Bit Rate Range - 200-300kbps• Video Coding – H.264/AVC, VC-1• Audio Coding
− HE AACv2 (MPEG4 High Efficient Profile Advanced Audio Codec)
− AMR-WB+ (Extended Adaptive Multi-Rate - Wideband )− Windows Media Audio Pro LBR (Low Bitrate)
• Small Screen but Quality Expected (iPod, PSP)
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Mobile Media Services Value Chain
• Users
• Content Providers
• Broadcasters (Localized Content)
• Mobile Telecom Operators
• Mobile Multicast Network Operators
• Manufacturers
13
Mobile TV Challenges
• Right Mix of Services at Right Price
• Secure Content and Support DRM Efforts
• New and Different Sources of Revenue− Standard TV Services− Enhanced Services (PPV, Interactive)
• Handset Manufacturers− Balance Feature/Function Meets Consumer Expectation− Battery Life, Battery Life, etc…
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Key Requirements
• Transmission System Enable Reception Chain Power Off Cycles− Extend Precious Battery Life
• Service Continuity – Node to Node, Intra/Inter Region
• Robust RF Environment − Enabling Reception Indoor, Outdoor, Moving Vehicle− Immunity to Man-made Noise
• Flexibility in Transmission Bands and Channel Bandwidths
• Independent of Media Data Type/Format
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Mobile Media Multicast Technologies
• Reliable Delivery of High-quality Multimedia/IP Data
• Provide Robust RF Infrastructure
• Multicast Capable
• Hybrid Network Topologies− Cellular Network (Voice Lower Speed Two-way Data)− Multicast Network (High Speed Media Multicast)
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Mobile TV Technologies
• Integrated Services Digital Broadcasting (ISDB-T)
• Digital Multimedia Broadcast (DMB)
• Qualcomm MediaFLO (Forward Link Only)
• Digital Video Broadcast – Handhelds (DVB-H)
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Technology Highlights
• Integrated Services Digital Broadcasting (ISDB-T)− National Transmission Standard for DTV/DAB in Japan− Broadcasting Modes for HDTV and Datacasting / MobileTV− OFDM Transmission, Segmented Band of 13 OFDM Sub-
bands− 1 Sub-band Allocated for Mobile Media Services
• Digital Multimedia Broadcast (DMB)− Data, Radio, TV to Mobile Devices− Satellite (S-DMB) or Terrestrial (T-DMB) Transmission− Based on Eureka 147 / DAB Technology w/ Video− Trials in South Korea, now to China and India− Protocol Stack Raw MPEG4, No IP Layer
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Technology Highlights
• Qualcomm MediaFLO (Forward Link Only)− Purpose-built Media Distribution Technology− Complete System; Systems, Software, Chips− Full Capability, Good Performance, IP for Data Service Only− Proprietary Technology; Compression, Modulation, etc
• Digital Video Broadcast – Handhelds (DVB-H)− Based on DVB-T Standards, Enhancements for Mobile− Data, Radio, TV Services to Mobile Devices− All Services IP-based, Future Proof− Open Standards, Full Capability, Good Performance
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Qualcomm MediaFLO
• Purpose-built Media Distribution Technology• A Complete Mobile Media Distribution System
− Systems, Software, Chips• Optimized for Delivery of Multicast Content
− Streaming A/V− Non-realtime Multimedia File Delivery− IP Data Service
• Forward-Link-Only (FLO) Multicast Network− Separate (Overlay) From Cellular Network− FLO Receivers Integrated into Mobile Phones
• Cellular Network Service Integration− Interactive Applications− Authentication and Authorization
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MediaFLO System Elements
• FLO Technology: New Air Interface− Layered Codec, Layered Modulation, 2-11Mbps/6MHz Channel− Dynamic Channelization / Independent Coding Rate and
Modulation− Wide Area / Local Area channel Integration− UHF Spectrum (>700MHz, up to 2.6GHz), 5-8MHz Bandwidth
• MediaFLO Media Distribution System (MDS)− Software Systems for Content / Service Management− Content Channels, Program Guides, System Information (SI)− Access Control, Subscription and License Management
• MediaFLO USA, Inc.− Network Operator / Service Provider− Nationwide Multicast Network Deployment− Delivers Wireless Operators a Base Package of Audio/Video
Content
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DVB-H
• Primary Enhancements to DVB-T Standards• Additional Feature to Support Handheld Mobile Reception
− Battery Savings− Mobility with High Data Rates, − Single Antenna Reception, SFN Multicast Networks− Impulse Noise Tolerance− Increased General Robustness− Support for Seamless Handover
• “H” Additions− Service Timeslicing (Receiver Off-Time) for Power Savings− MPE-FEC (Multiprotocol Encapsulation) for Additional RF
Robustness − 4K Transmission Mode for Mobility / Network Design Flexibility− 5MHz Mode for Non-Broadcast (DVB-T) Environments
• DVB-H is for IP-based Services via MPE insertion
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DVB-H Functional Blocks
DVB-H Systems
IP Multicast-basedServices
DVB-H IP Datacasting
DVB-HIP Encapsulator
Streaming
Files
ESG
MPE
MPE-FEC
Timeslicing
DVB-HMPEG Transport Stream
Concentrator
DVB-HModulator
IP-basedServices
DVB-HIP Decapsulator
Streaming
Files
ESG
MPE
MPE-FEC
Timeslicing
Ad
ditio
nal
IP E
ncap
sula
tor
DVB-HDemodulator
4k DVB-H TPS
Power Control
Transmitter
Receiver
RF Channel
MPEG-TS (Data)
MPEG-TS (Data)
23
DVB-H Specifics
• Service Time-slicing− Reduce Average Power Consumption− Enable Smooth and Seamless Service Handover− Sending Service Data in Bursts at Higher Bitrate− Burst Timing Information Sent (Delta-T for Next Burst)− Receiver Off Between Bursts− May Increase Channel Changing Time
• MPE-FEC− Improved C/N and Doppler Performance in Mobile Channels− Additional Levels of RS Error Correction at MPE Layer− Parity Information (from IP Datagrams) in Separate Sections− Flexible FEC Scheme to Optimize Data-throughput
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DVB-H Content Delivery
• Streaming Media Delivery− VC1/Microsoft WM9Series, H.264/AVC− RTP (Real-time Transport), MSB (Multicast) Protocol− SDP (Session Description) for Stream Information
• File Delivery− Electronic Service Guide (Programming and Services)− Signaling / Bootstrapping Information (SDP and NSC Files)− Audio and Video Media Files (Podcasts)− FLUTE (File Delivery over Unidirectional Transport - RFC3926)− FLUTE Provides Additional FEC Coding
25
DVB-H IP Datacast Protocol Stack
Media Streams(Audio/Video)
Media Files(Audio/Video)
Electronic Services Guide
FLUTE (Data Carousel)
XML, SDP, HTML
RTP / MSB (Live)
UDP
IP (Multicast)
MPE Encapsulation
MPEG2/DVB Transport Stream
DVB-H Physical Layer
ServiceLayer
IPLayer
NetworkLayer
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DVB-H Trials (Worldwide)
•Australia− Sydney Trial Services
•Czech Republic− Brno Trial Services
•Finland− Trials, Commercial
Services
•France− Multiple Trial Services
•Germany− Multiple Trial Services
•Italy− Turin Trial (Olympics)
•Netherlands− The Hague Trials
•Portugal− Lisbon Trials
•Singapore− Trials
•Spain− Multiple trials
•United Kingdom− Multiple trials
•United States− Modeo− MediaFLO USA
27
US Mobile TV Turf Wars
•COFDM Modulation Scheme•Target Format QVGA@20-30fps•Data Throughput ~6.2Mbps (RF channel Dependant)•Proprietary Technology•Single Vendor (Currently)•Initial Trials•Better Performance•Network Operator•Verizon Partnership
•COFDM Modulation Scheme•Target Format QVGA@20-30fps•Data Throughput ~6.2Mbps (RF Channel Dependant)•Open Standards•Broad Vendor Support•Completed Trials•Good Performance
DVB-HMediaFLO
28
Modeo Mobile TV Network
• Crown Castle Mobile Media becomes Modeo LLC
• Crown Castle International Subsidiary− Largest Independent Owner/Operator Wireless Infrastructure− Over 10,000 Tower Sites in US
• Acquired 5MHz Unencumbered Nationwide Spectrum (1670MHz)
• Currently Operating DVB-H Mobile TV Network− Nine Site SFN Network in Pittsburgh PA− Successful Completion of Pilot/Consumer Trial in 2005− Planning Commercial Launch in 2006 Major Markets (NYC)− Targeting Top 30 Markets by 2007− Complete Service Headend Upgrade for Commercial Operation
29
Modeo Network Overview
Broadcast NOC
AS
I Mul
tiple
x of
All
Reg
ions
DVB-H TXSatellite TX
DVB-H Signal (1670MHz)
Satellite RX /Deconcentrator
NetworkMultiplex
Single Region
Region SFN (One Node)
30
Network Technical Details
• TRANSMITTERS − 9 transmitters (2kW EIRP) in SFN, covering Pittsburgh.
• BROADCAST BAND AND FREQUENCY− 1670-75MHz − Crown Castle owns 5MHz of L-band spectrum nationwide in USA which was won in
FCC auction, 2003 • DVB-H PARAMETERS
− 2k mode, QPSK 2/3 or 16QAM 1/2, GI 1/4, time-sliced with MPE-FEC AMOUNT OF BANDWIDTH USED FOR DVB-H Full bandwidth of multiplex in 5 MHz channel, typically ~4 Mbit/s net
• VIDEO / AUDIO FORMAT − Video: Windows Media WMV9 , QVGA, 25fps, 250kbps− Audio: Windows Media WMAPro, 32-48kbit/s
• INTERACTIVITY PLATFORM n/a • CONDITIONAL ACCESS / DRM TYPE AND PROVIDER
− Windows Media DRM • HEADEND EQUIPMENT
− Thales WM Encoders and servers, Thales IP encapsulators, Axcera and Thales transmitters, Kathrein antennas
• RECEIVER / TERMINAL EQUIPMENT − DiBcom SD module with PDA’s, plus prototype devices from several different vendors
transmitters
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Modeo Headend Data Flow
WMServices
ContentSource
WM9Encoder
WMServices
DVB-HHeadendServices
RegionIP Encapsulator
Timeslice
SDI(Embedded) ASF / IP MSB / IP MC
MPE-FEC
MSB / IP MC
ESG
SFNMIP Inserter
MPEG TS / ASI
DVB-HRegionStream
Concentrator
MPEG TS / ASI
IP MC AdditionalRegions
MPEG TS / ASI
Live Channel Encoding
File ServicesFLUTE
IP MC
DVB-H Service Headend
ContentIngest
NetworkDistribution
32
More Information on Mobile TV
•Mobile TV Alliance− www.mdtvalliance.org
•Modeo Mobile TV Network− www.modeo.com
•DVB-H Online− www.dvb-h-online.org
•IP Datacast Forum− www.ipdc-forum.org
•Mobile TV Forum− www.mobiletv.nokia.com
•MediaFLO Forum− www.floforum.org
•Open Mobile Alliance− www.openmobilealliance.org
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