1 / 33

TV for Mobile Devices

TV for Mobile Devices. Technology Retreat 2006. Tom McDonough Senior Engineering Consultant, AZCAR. Today’s Agenda. Introduction Mobile TV Defined / Market Opportunity Mobile TV Broadcast Technologies (Mobile Media Multicast) Modeo Mobile TV Broadcast Network. What is Mobile TV?.

xenon
Download Presentation

TV for Mobile Devices

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. TV for Mobile Devices Technology Retreat 2006 Tom McDonough Senior Engineering Consultant, AZCAR

  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)

  4. Expanding Content Opportunity

  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

  6. 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

  10. 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)

  11. Mobile Media Services Value Chain • Users • Content Providers • Broadcasters (Localized Content) • Mobile Telecom Operators • Mobile Multicast Network Operators • Manufacturers

  12. Mobile TV Business Model

  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…

  14. 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

  15. 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)

  16. Mobile TV Technologies • Integrated Services Digital Broadcasting (ISDB-T) • Digital Multimedia Broadcast (DMB) • Qualcomm MediaFLO (Forward Link Only) • Digital Video Broadcast – Handhelds (DVB-H)

  17. 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

  18. 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

  19. 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

  20. 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

  21. 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

  22. DVB-H Functional Blocks

  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

  24. 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

  26. 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 DVB-H Trials (Worldwide)

  27. 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 US Mobile TV Turf Wars DVB-H MediaFLO

  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

  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

  31. Modeo Headend Data Flow

  32. 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 More Information on Mobile TV

  33. Technology Retreat 2006 Questions? tom.mcdonough@azcar.com

More Related