ATSC 3.0 Update RICH CHERNOCK ATSC TG3 CHAIR TRIVENI DIGITAL CSO ADVANCED TELEVISION SYSTEMS COMMITTEE

Transcription

1 ATSC 3.0 Update RICH CHERNOCK ATSC TG3 CHAIR TRIVENI DIGITAL CSO ADVANCED TELEVISION SYSTEMS COMMITTEE

2 ATSC etc. Constrained Maxed-Out Inefficient Fixed TV-Centric

3 ATSC 3.0 Configurable Scalable Efficient Interoperable Adaptable

4 System Layers and Specialist Groups S37, Conversion / Redistribution S36, Security S34, Applications / Presentation S33, Management / Protocols Conversion and redistribution of ATSC 3.0 signals for MVPDs Service and content protection Software, pictures, and sound Organizing bits into files, streams, and packets S32, Physical Sending bits over the RF channel S31, System Requirements Use Cases, Requirements, and overall program management

5 ATSC 3.0 Reaches Mainstream Status at NAB 2017 Image reproduced with permission, photography courtesy of Robb Cohen Photography and Video

6 South Korea launches Broadcast UHDTV with ATSC 3.0 Global UHD Conference KBS MBC SBS

7 What we ve achieved Extensibility / Flexibility Bootstrap (A/321) starting point Possible to evolve system/physical layer Bootstrap Signal Preamble Frame Announces technology used in each frame Layers signal technologies to layer above Allows graceful evolution over time Frequency... L1-Basic Signaling L1-Detail Signaling Sub-Frame Payload Sub-Frame Payload... Sub-Frame Payload Time

8 What we ve achieved Extensibility / Flexibility Physical Layer that meets broadcasters needs/plans Close to Shannon Limit TDM/FDM/LDM Multiple PLPs SFN Lots of knobs to turn BICM Link Efficiency (bits/s/hz) db Shannon Limit ATSC 3.0, QPSK ATSC 3.0, 16QAM ATSC 3.0, 64QAM ATSC 3.0, 256QAM ATSC 3.0, 1024QAM ATSC 3.0, 4096QAM ATSC 1.0 Bit Interleaving, Coding, and Modulation Performance SNR (db) > Indoor penetration 6 db Core Layer Enhanced Layer RF Channel BW LDM overlay spectrum Future Extension Layer

9 What we ve achieved Extensibility / Flexibility Physical Layer that meets broadcasters needs/plans Smart Media Delivery Broadcast IP Transport Segmented streaming delivery Hybrid combined broadcast & broadband delivery Realtime & NRT ISOBMFF file MPU Player/Decoder EME/CENC MPU (ISO BMFF) MMTP MMT-specific Signaling ROUTE-specific Signaling LLS (SLT) UDP IP ATSC Link-Layer Protocol (ALP) Broadcast Announcement ATSC 3.0 Physical Layer (OFDMA RF) Applications (HTML5/JavaScript) NRT File Deliver y HTTP Proxy ROUTE DASH Player/Decoder EME/CENC DASH Segment (ISO BMFF) ftyp moov moof mdat moof mdat Smart TV Internet PC HTTP TCP IP Data Link Layer Physical Layer Broadband moof NRT File Deliver y ftyp moov styp moof mdat styp moof mdat moof mdat All Signali ng Object s Initialization Segment Media Segment Media Segment mdat Tablet WiFi 4G Smartphones

10 What we ve achieved Extensibility / Flexibility Physical Layer that meets broadcasters needs/plans Smart Media Delivery Enhanced Story-Telling UHD: 4K, HDR, WCG, HFR, Scalability Fully immersive Audio Personalized audio HTML 5 based interactivity Net Crowd Announce NORMAL PA Local Announce

11 What we ve achieved Extensibility / Flexibility Physical Layer that meets broadcasters needs/plans Smart Media Delivery Enhanced Story-Telling System that meets public service needs Accessibility: Closed Captioning, Open Captioning, Descriptive Video Advanced Emergency Alerting Geotargetting & rich media

12 What we ve achieved Extensibility / Flexibility Physical Layer that meets broadcasters needs/plans Smart Media Delivery Enhanced Story-Telling System that meets public service needs Security CA & DRM Secure broadband communications Application signing Signing of signaling

13 What we ve achieved Extensibility / Flexibility Physical Layer that meets broadcasters needs/plans Smart Media Delivery Enhanced Story-Telling System that meets public service needs Security Part of the 5G eco-system P2MP, IoT, high speed, ultra-reliable, lifeline communications

14 Why Do We Need This? OPPORTUNITY!

15 Questions?