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ATSC 3.0 based Regular Terrestrial Broadcasting Launch in Korea: 4K-UHD and UHD-Mobile @ ABU DBS 2018

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ABU Digital Broadcast Symposium 2018 (DBS 2018)
Wednesday 7th March 14:00—15:30
Taming Sari 3, The Royale Chulan Kuala Lumpur @ Malaysia
Session 7: Future Technologies for Production and Delivery

Published in: Technology
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ATSC 3.0 based Regular Terrestrial Broadcasting Launch in Korea: 4K-UHD and UHD-Mobile @ ABU DBS 2018

  1. 1. KoreanBroadcastingSystem| TechnicalResearchInstitute ATSC 3.0 based Regular Terrestrial Broadcasting Launch in Korea: 4K-UHD and UHD-Mobile ABU Digital Broadcast Symposium 2018 (DBS 2018) Wednesday 7th March 14:00—15:30 Taming Sari 3, The Royale Chulan Kuala Lumpur @ Malaysia Session 7: Future Technologies for Production and Delivery Sungho Jeon R&D Engineer, Ph.D. Technical Research Institute Korean Broadcasting System (KBS)
  2. 2. KoreanBroadcastingSystem| TechnicalResearchInstitute At 5 AM on 31 May 2017, World’s First ATSC 3.0 Based Regular Terrestrial Broadcasting Started! KBS UHDTV Master Control Room Ceremony for World’s First Terrestrial UHDTV Broadcasting in Korea @ KINTEX
  3. 3. KoreanBroadcastingSystem| TechnicalResearchInstitute At 5 AM on 21 December 2017, Five Metropolitan Cities and PyeongChang Olympic Winter Games Region
  4. 4. KoreanBroadcastingSystem| TechnicalResearchInstitute On 9 January 2018, Five-Year ATSC 3.0 Standards-Development Process Culminated at CES 2018 [Source] https://www.atsc.org/news-release/next-gen-tv-reaches-major-milestone-release-atsc-3-0-standards/
  5. 5. KoreanBroadcastingSystem| TechnicalResearchInstitute Installation of ATSC 3.0 End-to-End Chain UHDTV Master Control Room Transmission Site ATSC 3.0 Chipset Embedded UHDTV RTP/UDP/IP RF HEVC Encoder ATSC 3.0 IP Multiplexer ATSC 3.0 Broadcast Gateway IEEE 1588v2 PTP Master Clock, etc. ATSC 3.0 Exciter
  6. 6. KoreanBroadcastingSystem| TechnicalResearchInstitute What’s New & Why We Start ATSC 3.0 Based Terrestrial 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 Viewer-friendly Reception Environment *HDR = High Dynamic Range, WCG = Wide Color Gamut, HFR = High Frame Rate / SFN = Single Frequency Network
  7. 7. KoreanBroadcastingSystem| TechnicalResearchInstitute 7 What Frequency Allocated for ATSC 3.0 Based Terrestrial UHDTV Broadcasting? Asia Pacific Telecom (APT) 700 MHz FDD plan (Band 28) 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
  8. 8. KoreanBroadcastingSystem| TechnicalResearchInstitute 8 2017 May 31 Dec. 28 Seoul Daegu Gangneung Ulsan Busan (a) Phase 1 / May 2017 (b) Phase 2 / December 2017 Wonju Daejeon Where and When Starts ATSC 3.0 Based Terrestrial UHDTV Broadcasting? Gwangju Seoul Roll-out Plan
  9. 9. KoreanBroadcastingSystem| TechnicalResearchInstitute 9 (c) Phase 3 / 2020~2021 ATSC 1.0 DTV Switch-Off Deploying Low-Power Relay Stations to Achieve 95 % Service Coverage Frequency Re-Allocation based on ATSC 1.0 and ATSC 3.0 Co-Channel Interference Adjacent Channel Interference Protection Ratio Where and When Starts ATSC 3.0 Based Terrestrial UHDTV Broadcasting? 2018 20202019 2021 20272024 700 MHz frequency band 470 – 698 MHz DTV band
  10. 10. KoreanBroadcastingSystem| TechnicalResearchInstitute 10 Seoul Metropolitan area 900 W 900 W 2 kW 5kW 2 kW 2 kW Incheon 5 kW [Source] ITU-R Report BT.2343, Collection of field trials of UHDTV over DTT networks [Note] As of March 2018, Transmitters in Seoul Metropolitan Area
  11. 11. KoreanBroadcastingSystem| TechnicalResearchInstitute 11 [Note] As of March 2018, Transmitters After Phase 2 City Center frequency (Channel number) KBS1 KBS2 MBC SBS Busan Hwang-Ryong 5 kW 701 MHz (Ch 52) 768 MHz (Ch 56) 762 MHz (Ch 55) 707 MHz (Ch 53) Daegu Pal-Gong 5 kW 701 MHz (Ch 52) 762 MHz (Ch 55) 707 MHz (Ch 53) Gwangju Moo-Deung 5 kW 701 MHz (Ch 52) 762 MHz (Ch 55) 707 MHz (Ch 53) Daejeon Sik-Jang 5 kW 701 MHz (Ch 52) 762 MHz (Ch 55) 707 MHz (Ch 53) Kae-Ryong 2 kW 701 MHz (Ch 52) - - Ulsan Moo-Ryong 5 kW 683 MHz (Ch 49) 563 MHz (Ch 29) 623 MHz (Ch 39) Gangwon-do (PyeongChang) Tae-Gi 2 kW 503 MHz (Ch 19) 521 MHz (Ch 22) 593 MHz (Ch 34) Gwae-Bang 5 kW 701 MHz (Ch 52) 707 MHz (Ch 53) 762 MHz (Ch 55) Daekwanryong 900 W 701 MHz (Ch 52) 707 MHz (Ch 53) 762 MHz (Ch 55) [Source] ITU-R Report BT.2343, Collection of field trials of UHDTV over DTT networks
  12. 12. KoreanBroadcastingSystem| TechnicalResearchInstitute [Note] Single Frequency Network (SFN) ATSC 1.0 (DTV) ATSC 3.0 (UHDTV) Multiple Frequency Network Single Frequency Network Nam-San 521 MHz Gwang-Gyo 641 MHz Gwan-Ak 479 MHz 701 MHz Nam-San Gwan-Ak Gwang-Gyo
  13. 13. KoreanBroadcastingSystem| TechnicalResearchInstitute How Can We Watch ATSC 3.0 Based Terrestrial UHDTV Broadcasting? (Method 1) Fixed Reception for 4K-UHD Channel Directional antenna Omni-directional antenna (Method 2) Mobile Reception for UHD-MOBILE Channel
  14. 14. KoreanBroadcastingSystem| TechnicalResearchInstitute Antenna input for UHDTV (ATSC 3.0) Antenna input for DTV (ATSC 1.0) (Method 1) Fixed Reception for 4K-UHD Channel ① Visit a home appliance store near your home. ② Buy a UHDTV and bring it home. Don’t forget to buy an antenna together. ③ Connect the antenna correctly to the port labeled UHD! antenna Frame-style antenna
  15. 15. KoreanBroadcastingSystem| TechnicalResearchInstitute (Method 2) Mobile Reception for UHD-MOBILE Channel AS-IS TO-BE ATSC 3.0 Chipset EMBEDDED Smartphone Until now, USB dongle-based EXTERNAL receiver only. Not sold on the market.
  16. 16. KoreanBroadcastingSystem| TechnicalResearchInstitute Technically, How Are We Simulcasting HD & UHD ATSC 3.0 Based Terrestrial UHDTV Broadcasting?? UHDTV ATSC3.0 Transmitter (4K) HEVC Encoder ATSC3.0 Transmitter IP Multiplexer Scrambler for Contents Protection (2K) HEVC Encoder GPS (TAI)PTP ATSC3.0 Broadcast Gateway PTP4K-UHD Content 1.3 ~ 52.2 Mbps Microwave (Wireless) IP Network (Wireline) SLS/LLS Generator 2K-HD Content PTP (TAI) Scrambler for Contents Protection Single Frequency Network Mobile Reception Fixed Reception 9-1 9-2 Bootstrap Preamble Time Frequency Frame Subframe 0 Subframe n-1. . . Subframe 0 PLP#0 Subframe 1 PLP#1 for UHD-Mobile for 4K-UHD 2-Subframe Configuration
  17. 17. KoreanBroadcastingSystem| TechnicalResearchInstitute ATSC 1.0 15.5 dB @ ToV PLP0/Subframe0 PLP1/Subframe1 UHDTV 2.4 Mbps 17.0 Mbps High Quality UHD-MOBILE Available UHD Available Bootstrap Preamble Time Frequency Frame Subframe 0 Subframe n-1. . . Subframe 0 PLP#0 Subframe 1 PLP#1 Robust Reception 5.5 dB @ ToV Technically, Support Both Mobile and Fixed Reception Based on 2-Subframe (TDM) Configuration
  18. 18. KoreanBroadcastingSystem| TechnicalResearchInstitute [Note] As of March 2018, Transmission Parameters Parameter UHD-MOBILE(PLP0/Subframe0) UHD(PLP1/Subrframe1) KBS 9-2 MBC 11-2 SBS 6-2 KBS 9-1 MBC 11-1 SBS 6-1 Preamble FFT Size 8K 16K - Preamble Pilot 4_1 - L1-Basec/Detail FEC Mode 1 - PLP /Subframe FFT 8K 16K 32K Guard Interval GI6_1536 GI6_1536 GI7_2048 GI6_1536 Pilot Pattern 4_2 16_2 12_2 8_2 Pilot Boost 1 0 1 Modulation 16-QAM 256-QAM Code rate 7/15 8/15 7/15 9/15 FEC Type BCH + 16K-LDPC BCH + 64K-LDPC Time Interleaving CTI CTI CTI Depth 1024 887 1024 512 Bit Rate [Mbps] About 2.4Mbps About 17.0Mbps ToV SNR [dB] @ Rayleigh 7.58 8.96 7.58 18.23 MER [dB] @ ESR5 from Field Measurement Campaign 9.0 9.5 9.0 ×
  19. 19. KoreanBroadcastingSystem| TechnicalResearchInstitute [Note] Performance of Fixed Reception MODCOD Numberof samplesmeasured MeasuredToV [dB] Theoretical ToV[dB] Difference [dB] Sensitivity measured[dBm] Theoretical Sensitivity [dBm] Difference [dB] 1 16-QAM R=7/15 1 5.8 7.21 -1.41 -91 -91.79 0.79 2 16-QAM R=8/15 20 10.05 8.63 1.42 -89.97 -90.37 0.4 3 16-QAM R=9/15 5 11.76 9.94 1.82 -88.34 -89.06 0.72 4 64-QAM R=5/15 7 8.84 7.74 1.1 -89.65 -91.26 1.61 5 64-QAM R=7/15 3 12.63 11.1 1.53 -88.47 -87.9 -0.57 6 64-QAM R=8/15 6 13.2 12.75 0.45 -85.9 -86.25 0.35 7 64-QAM R=10/15 3 16.66 15.81 0.85 -84.66 -83.19 -1.47 8 64-QAM R=11/15 9 18.01 17.44 0.57 -82.93 -81.56 -1.37 9 256-QAM R=6/15 1 13.5 12.91 0.59 -86.3 -86.09 -0.21 10 256-QAM R=8/15 6 17.05 16.54 0.51 -81.8 -82.46 0.66 11 256-QAM R=9/15 13 19.16 18.23 0.93 -81.18 -80.77 -0.41 12 256-QAM R=10/15 2 20 20.06 -0.06 -79.3 -78.94 -0.36  A measured ToV is similar to the theoretical ToV C/N under the Rayleigh channel within ± 1dB difference, defined in the ATSC 3.0 standard.  Theoretical Sensitivity = -106dBm + Theoretical ToV [dB] + Receiver Noise Figure where -106dBm is the thermal noise floor at 6MHz under room temperature, and receiver noise figure is assumed to 7 dB.
  20. 20. KoreanBroadcastingSystem| TechnicalResearchInstitute [Note] Performance of Mobile Reception ESR = Erroneous Seconds Ratio (defined in ITU-R BT.1368) ESR5 = 5% ESR, which corresponds to 1 sec with errors over a 20 second observation period MER [dB] (Modulation Error Ratio) Received Level [dBm] Average FER = 0.05 Average FER = 0.05
  21. 21. KoreanBroadcastingSystem| TechnicalResearchInstitute [Note] ATSC 3.0 IMAS for Field Measurement Campaign (a) IMAS hand-carried for Indoor portable measurement (b) IMAS equipped with the measurement vehicle for outside fixed measurement ATSC 3.0 Professional Receiver Analysis Software including Physical Layer Decoding, and A/V Decoding
  22. 22. KoreanBroadcastingSystem| TechnicalResearchInstitute GangNeung Olympic Park GangNeung Olympic Village Showcase for ATSC 3.0 UHD-MOBILE During PyeongChang 2018 Olympic Winter Games Bad Reception (a) Bus Route for UHD-MOBILE (b) Outside the Demonstration Shuttle Bus Good Reception
  23. 23. PyeongChang GangNeung UHD Service Coverage at PyeongChang/GangNeung Region GwaeBangSan 5kW Transmitter DaeGwanRyong 900W Transmitter
  24. 24. KoreanBroadcastingSystem| TechnicalResearchInstitute (a) Ceremony on the start of UHD-MOBILE bus (c) American broadcaster WRAL reports on the UHD-MOBILE shuttle bus that was demonstrating ATSC 3.0 mobile capabilities. (b) Inside of demonstration bus (d) Devices onboard a shuttle bus that receive on-air channel directly
  25. 25. KoreanBroadcastingSystem| TechnicalResearchInstitute Efforts to Ensure Seamless Service Coverage (1) MATV (Master Antenna Television) inside Building Re-Transmitter for ATSC 3.0 Outlet for receiving terrestrial TV Headend System for MATV
  26. 26. KoreanBroadcastingSystem| TechnicalResearchInstitute Efforts to Ensure Seamless Service Coverage (2) Underground Subway Station and Inside Train 26 LCX cable above the train RF Combiner FM Repeater DMB Repeater UHD antenna FM/DMB antenna UHD Repeater Indoor antenna RFDivider RF Combiner
  27. 27. KoreanBroadcastingSystem| TechnicalResearchInstitute [Note] Application Test at Yeouinaru Subway Station NamSan (5 kW) transmission site FM radio receiving antenna Police TRS
  28. 28. KoreanBroadcastingSystem| TechnicalResearchInstitute 28 ATSC 3.0 UHD-MOBILE Reception Test (a) at the subway platform (b) inside the subway train ATSC 3.0 mobile receiver ATSC 3.0 mobile receiver [Note] Application Test at Yeouinaru Subway Station
  29. 29. KoreanBroadcastingSystem| TechnicalResearchInstitute Efforts to Ensure Seamless Service Coverage (3) Underground Parking Lot @ Korean Broadcaster’s Building UHD antenna 75ΩRFCable
  30. 30. KoreanBroadcastingSystem| TechnicalResearchInstitute Service Coverage Optimization (1) Field Measurement (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
  31. 31. KoreanBroadcastingSystem| TechnicalResearchInstitute Before SFN delay offset adjustment After SFN delay offset adjustment Bad reception area due to self-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 Resolved Service Coverage Optimization (2) SFN Delay Offset Adjustment
  32. 32. KoreanBroadcastingSystem| TechnicalResearchInstitute Improved Service with the Internet Interactive TV Platform Only for Terrestrial UHD Viewers https://tiviva20.pooq.co.kr/ (a) TIVIVA 2.0 recommends the contents through the viewer’s preference collection such as the viewing time, favorite genre, person and topic. (b) TIVIVA 2.0 automatically curates the themed content based on your interest, which is done by the state-of- the-art artificial intelligence technology. #Life Style #Curation As your viewing history accumulates, viewers can get smarter recommendations!
  33. 33. KoreanBroadcastingSystem| TechnicalResearchInstitute Improved Service with the Internet TIVIVA 2.0 During PyeongChang Olympic Winter Games Game schedule Live streaming for all sports events Live broadcast via terrestrial UHD channel Replay
  34. 34. KoreanBroadcastingSystem| TechnicalResearchInstitute Improved Service with the Internet TIVIVA 2.0 During PyeongChang Olympic Winter Games (a) TV program schedule including the whole game schedule (b) Live broadcast on the internet not covered by the terrestrial on-air channel
  35. 35. KoreanBroadcastingSystem| TechnicalResearchInstitute Typhoon, Earthquake, … etc ATSC 3.0 UHDTV ATSC 3.0 Set-Top Box ATSC 3.0 UHD Signal Typhoon, Earthquake, … etc ATSC 3.0 Smart-phone Wake-up 2 bits at Bootstrap Advanced Emergency Alert (AEA) ServiceImproved Service with the Internet An example of an advanced emergency alert that would display during a television program on the new ATSC 3.0 Next Generation television technology. Alerts can be dismissed or the viewer can opt to get more detailed information.
  36. 36. KoreanBroadcastingSystem| TechnicalResearchInstitute 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 Contents ProtectionImproved Service with the Internet ATSC 3.0 Smart-phone
  37. 37. KoreanBroadcastingSystem| TechnicalResearchInstitute 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 Mobile Reception Broadcaster Wireline /Wireless Internet Bi-directional Network Indoor Direct Reception Broadcasters’ Contents Infra Competitors’ Contents Infra You Tube my K Other OTT 4K

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