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The Status of ATSC 3.0 Broadcasting in Korea @ NAB Show 2017

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NAB Show 2017 Global TV Tech Day
Korea's Launch of ATSC 3.0 Session

http://www.nabshow.com/content/koreas-launch-atsc-30

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The Status of ATSC 3.0 Broadcasting in Korea @ NAB Show 2017

  1. 1. The Status of ATSC 3.0 Broadcasting in Korea Korean Broadcasting System (KBS) Sungho Jeon Korea's Launch of ATSC 3.0 Sat. April 22 | 3:00 PM - 3:45 PM | N260
  2. 2. At 5:00 AM on 28 February 2017, KBS UHDTV Master Control Room
  3. 3. ATSC 3.0 RF Signal is On-Air over 700 MHz Band KBS1 52 EBS KBS2 5MHz 698 704 710 718 728 753 759 765 771 773 783 803 [MHz] 806 PS (Public Safety)- LTE PS (Public Safety)- LTE Guard band Guardband Guardband Guardband Mobile Broadband Uplink ↑ Mobile Broadband Downlink ↓ 748 2MHz 3MHz8MHz CH51 ATSC DTV 0 C V KBS1 MBC KBS2SBS EBS Namsan 5 kWMokdong 900 W Gwanak 5 kW Gwangyo 2 kW Yongmun 2 kW Seoul Metropolitan area 1st phase UHDTV transmission sites
  4. 4. Conrad Hotel Seoul Ceremony on the World's First Terrestrial UHDTV Service
  5. 5. Photo from an LG home appliance store nearby my house Antenna input for UHDTV (ATSC 3.0) Antenna input for DTV (ATSC 1.0)
  6. 6. Block Diagram of ATSC 3.0 End-to-End Chain UHDTV ATSC3.0 Transmitter HEVC Encoder ATSC3.0 Transmitter IP Multiplexer Scrambler for Contents Protection HEVC Encoder GPSPTP ATSC3.0 Broadcast Gateway SFN Coordinated Universal Time (UTC)PTP 4K-UHD Content 1.3 ~ 52.2 Mbps Microwave (Wireless) IP Network (Wireline) SLS/LLS Generator 2K-HD Content PTP Scrambler for Contents Protection HEVC Encoder PTP 2K-HD Content Scrambler for Contents Protection CDN Single Frequency Network Mobile Reception Indoor Reception 9-1 9-2 9-3
  7. 7. Installation of ATSC 3.0 End-to-End Chain UHDTV Equipment Room Gwanak Transmission Site ATSC 3.0 Chipset Embedded UHDTV UDP/IP RF
  8. 8. Question: Why & For What Are We Starting ATSC 3.0 based UHDTV Broadcasting? UHD TV 4K UHD HD Ultra High-Definition TV Improved Service with the Internet HD UHD 3,840 X 2,1601,920 X 1,080 4 times better image quality compared to HD HDR, WCG, HFR techniques for realistic broadcasting Fixed, portable, mobile reception in an SFN Direct reception environment anywhere IP-based interactive & customized service Home portal service with 2nd screen, disaster / safety information notice Fixed Indoor Reception Mobile Outdoor Reception UHD VoD Home Portal (Second screen, Customized service) Advanced Emergency Alerting ① Great benefit to viewers and ② to revitalize the broadcasting industry Viewer-friendly Reception Environment
  9. 9. Color TV HDTV 2000 4K-UHDTV 2016~ 8K-UHDTV Super Hi-Vision 2020~ Color Movie 2K, 30fps, 8bits 4K, 60fps, 10bits 8K, 120fps, 12bits 2K Digital Cinema 4K Digital Cinema Black and White TV IMAX Black and White Movie 8K Digital Cinema Broadcasting Cinema Evolution of the TVUltra High-Definition TV
  10. 10. Viewer-friendly Reception Environment Single Frequency Network (SFN) ATSC 1.0 (DTV) ATSC 3.0 (UHDTV) Multiple Frequency Network Single Frequency Network Namsan 521 MHz Gwangyo 641 MHz Gwanak 479 MHz 701 MHz Namsan Gwanak Gwangyo
  11. 11. Viewer-friendly Reception Environment Single Frequency Network (SFN) GwanakNamsan Frequency 701MHz Field Strength Improvement Coverage of TX#1 MFN Coverage of TX#2 MFN Coverage owing to SFNG Frequency 701MHz Signal Overlapping Area ATSC3.0 (a) (b) Obstacle In SFN, the field strength increase effect is obtained in the region where each transmitter broadcast coverage overlaps. Since the receiver can receive the signal from various direction by multiple transmitters, it is possible to overcome an bad reception condition due to an obstacle without depending on signals in specific directions.
  12. 12. (a) Antenna Pre-installed UHDTV (b) Smartphone with ATSC 3.0 Receiver Viewer-friendly Reception Environment Improved Direct reception environment: anywhere, anytime, any device Patch Antenna
  13. 13. UHD Home Portal Start page of Terrestrial UHD Home Portal 1.0Improved Service with the Internet
  14. 14. ① Home Portal icon on Smart TV start screen ② Electronics service guide (ESG) Starting page of Home Portal 1.0 ③ Recommended video clips while watching TV How to Enter Home Portal 1.0 Service on UHDTV Improved Service with the Internet Click Click
  15. 15. Terrestrial UHD Home Portal 2.0 Sports Genre Curation Service Improved Service with the Internet
  16. 16. Terrestrial UHD Home Portal 2.0 Personalized Recommendation Service Improved Service with the Internet
  17. 17. Advanced Emergency Alert ServiceImproved Service with the Internet Typhoon, Earthquake, … etc ATSC 3.0 UHDTV ATSC 3.0 Set-Top Box ATSC 3.0 UHD Signal Typhoon, Earthquake, … etc
  18. 18. Contents Protection for Terrestrial UHDTV ATSC 3.0 UHDTV ATSC 3.0 Set-Top Box ATSC 3.0 Receiver-Card Embedded PC Personal Devices (Private-use allowed) Unspecified Users (Illegal re-distribution to the Internet prevented) ATSC 3.0 UHD Signal
  19. 19. Field Measurement Campaign for Service Coverage Survey (April 2017) (a) Measurement location on the map (b) Measurement vehicle with 9-meter mast (c) Channel impulse response measured by professional receiver Gwanak Yongmun Gwangyo Region overlapped by signals from three transmitters Omni-directional antenna
  20. 20. Field Measurement Campaign for Service Coverage Survey (April 2017) (a) 15 measurement points Seoul Metropolitan area (b) Field strength distribution derived from the measured data UHD : 40.8 Mbps HD/UHD : 3/30.1 Mbps UHD : 32.6 Mbps HD/UHD : 3/24.0 Mbps UHD : 24.4 Mbps HD/UHD : 3/18.0 Mbps UHD : 18.3 Mbps HD/UHD : 3/13.5 Mbps
  21. 21. Field Measurement Campaign for SFN Delay Offset Adjustment & Optimization Before SFN delay offset adjustment After SFN delay offset adjustment Poor reception area due to interference [source] ITU-R SG6 Document 6A/394 Rapporteur Group on Single Frequency Networks (SFN) design and implementation Guard Interval Case study: Rai (public broadcaster in Italy) Guard Interval (a) Reducing SFN delay offset of the transmitter (b) Increasing SFN delay offset of the transmitter Revolved
  22. 22. UHD Broadcasting Network is Expanding 괘방 남산 태기 관악 광교 무룡 팔공 식장 계룡 7 Phase 1: First half of 2017 Phase 2: Second half of 2017 Phase 3: End of 2020 무등 황령 KBS1, MBC, SBS: Regional SFN KBS2, EBS: Nationwide SFN Phase 4: 2027 ATSC 1.0 based DTV Switch-Off
  23. 23. Direct Reception environment Conclusion: Restore Public Platform Function Through UHD Broadcasting Viewer-centric convenient service Connecting bi-directional on-line platform Terrestrial Home Portal Service Terrestrial UHD IP Infrastructure Home Portal Mobile Reception Broadcaster Wireline /Wireless Internet Bi-directional Network Indoor Direct Reception Broadcasters’ Contents Infra Competitors’ Contents Infra You Tube Netflix Other OTT 4K

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