2022.11.17. 16:00~17:10 Session 3: "Public" Matters in Technology KBS’s Technology Development Efforts to Strengthen the Terrestrial Platform 1) UHD Multi-channel Service based on ATSC 3.0 2) 5G Broadcasting Reception Through Mobile 3) Application of Metaverse in our Broadcasting Sungho JEON Deputy Director, Ph.D. Media Transmission Department, KBS

KBS Channel Status and Transmission Media Viewers in Korea can watch contents anytime, anywhere Internet Broadband Terrestrial Broadcast Large-screen TV with/without Direct Reception Mobile Device with Direct Reception Connected Devices without Direct Reception 10.2 % Terrestrial DMB ATSC 3.0 Mobile ATSC 1.0 DTV ATSC 3.0 UHDTV Television

KBS Channel Status and Transmission Media Viewers in Korea can watch contents anytime, anywhere Internet Broadband Terrestrial Broadcast Large-screen TV with/without Direct Reception Mobile Device with Direct Reception Connected Devices without Direct Reception Terrestrial DMB ATSC 3.0 Mobile ATSC 1.0 DTV ATSC 3.0 UHDTV AM/FM Radio Radio

What’s New & Why We Started ATSC 3.0 Based Terrestrial UHDTV Broadcasting? Viewer-friendly reception environment • Fixed and mobile reception • Direct reception environment anywhere Fixed Indoor Reception Mobile Outdoor Reception Improved service with the Internet • IP-based interactive & personalized service with companion screen • Public service capabilities (Emergency alert/caption) Advanced Emergency Alerting UHD Video On-Demand Additional Information (ESG, IBB) Ultra High-Definition TV • 4 times better image quality compared to FHD • HDR, WCG, HFR techniques for realistic broadcasting • Immersive audio experience 2K FHD 5.1ch 4K UHD 22.2ch 3840 2160 UHDTV * HDR = High Dynamic Range, WCG = Wide Color Gamut, HFR = High Frame Rate , ESG = Electronic Service Guide, IBB = Integrated Broadcast Broadband

ATSC 1.0 T-DMB ATSC 3.0 Mobile(SD) Multi-channel Datacasting High-definition TV Second-generation terrestrial broadcasting system First-generation terrestrial broadcasting system + 1TV Simulcast 2TV Simulcast Visual 2FM EWS Emergency Warning Service TPEG Traffic information 9-3 Visual 1Radio 9-1 KBS1 UHD 9-2 KBS disaster-focused channel TIVIVA 3.0 (Interactive service) Visual 2FM KBS NEWS24 Ultra HD + Interactive Mobile HD/MMS/Datacasting AEAT Emergency Alert Service DATA 7-1 KBS2 UHD AEAT Emergency Alert Service DATA Using the ATSC 3.0 standard, a single transmitter can provide both fixed and mobile reception.

700MHz frequency band 470–698MHz DTV frequency band KBS2, EBS KBS1, MBC, SBS Seoul Daejeon Jeonju Gwangju Cheongju Busan Ulsan ATSC 3.0 Broadcasting Network Expansion in Progress According to New Government Policy Plan ATSC 1.0 DTV switch-off 2020 2019 2021 2027 2023 2022 UHD innovation service (multi-channel/mobile/interactive) start 2017 World's first ATSC 3.0 terrestrial UHD broadcasting started 2017.05. 2017.12. 2017.12. 2017.12. 2017.12. Daegu 2017.12. 2022.12. 2022.12. Jeju 2022.02. Continuous expansion of service area

Multi-Channel, Mobile, Interactive Services Started Multiplexer Configuration in a 6 MHz Frequency Bandwidth Fixed reception Mobile reception KBS Transmission Sites KBS Headquarter Received signals through antenna Received signals through antenna Able to watch a UHDTV channel as well as 3 HD mobile channels Able to watch 3 HD mobile channels only 9-1 KBS UHD 9-2 HD-MMS 9-3 Visual Radio Data casting 7-2 HD-MMS Data casting 7-1 KBS UHD 9-2 (7.19.~8.31.) → (9.1~ ) Olympic Disaster 9-3 Visual 1 Radio + Panorama, Amber Alert Service DATACASTING Advanced Emergency Alert Message (AEAT) 7-2 (7.19.~9.31.) Simulcasting 7-1 Channel DATACASTING Advanced Emergency Alert Message (AEAT) + TIVIVA + TIVIVA + TIVIVA

Channel 9-2 as Disaster-focused Channel Korea Communications Commission (KCC) announced the plan, “Comprehensive Disaster Broadcasting Reinforcement” KBS Newsletter answered to the plan

Channel 9-2 as Disaster-focused Channel

Finding Missing & Exploited Children, Weather & PM Information in 9-3 Channel (Original data) Information provided by the National Police Agency Server (Image to the Viewer) Automatically generated image using the received data from the server in one hour cycle Korea Meteorological Administration Korea Environment Corporation

Terrestrial UHD smartphone direct reception demonstration and seminar KBS 9-2

Vehicle-Targeted 4-Rx Diversity Receiver @ KOBA 2022 12 KBS Exhibition Booth @ KOBA 2022 Introduction to Visitors In-Vehicle Demonstration

ATSC 3.0 Encoder KBS Headquarter ATSC 3.0 Transmitter ATSC 3.0 Receiver in Vehicle ✓ Start Time of Advertisement ✓ Duration of Advertisement Data Center 5G-CDN Index GPS Location (Longitude, Latitude) Target URL UserGroup#1 (50 years old, Man) UserGroup#2 (30 years old, Woman) 1 126.9158961 37.5281082 http://cdn.xxx.xxx./ AREA1_111.mp4 http://cdn.xxx.xxx./ AREA1_222.mp4 2 126.9208775 37.5312489 http://cdn.xxx.xxx./ AREA2_111.mp4 http://cdn.xxx.xxx./ AREA2_222.mp4 3 126.9208775 37.5312489 http://cdn.xxx.xxx./ AREA3_111.mp4 http://cdn.xxx.xxx./ AREA3_222.mp4 4 126.9158961 37.5281082 http://cdn.xxx.xxx./ AREA4_111.mp4 http://cdn.xxx.xxx./ AREA4_222.mp4 5 126.9158961 37.5281082 http://cdn.xxx.xxx./ AREA5_111.mp4 http://cdn.xxx.xxx./ AREA5_222.mp4 (1) GPS Location Information (2) Provide Ad Information URL Targeted for the Location Ad Server DB on Location Information (Example) Real-time Status Dashboard based on User Requests Dynamic Advertisement Insertion over ATSC 3.0: Service Flow ✓ Advertisement = Video Clip for Relief Disaster, Action Guideline

Dynamic Advertisement Insertion over ATSC 3.0: Demonstration

ATSC Chairperson Officially Announced First ATSC 3.0-Equipped Cars Expected on U.S. Roads by 2023 2022.6.9. ATSC NextGen Broadcast Conference @ Detroit

By directly receiving the KBS1 channel, disaster warning message displayed (taken on Seoul city bus 463) Through the UHD broadcasting network, disaster information can already be received while moving. Public signage in Seoul

Efforts to Ensure Seamless Service Coverage (1) Automatic Programme Quality Switching PLP#0 for Fixed Reception PLP#1 for Mobile Reception Bootstrap Preamble Time Frequency Frame Subframe 0 Subframe n-1 . . . 7-2 PLP#0 7-1 PLP#1

18 Seoul Daegu Terrestrial UHD Service Coverage of South Korea KBS1 FM Service Coverage 1 2 3 4 5 6 7 8 1 2 3 4 5 6 Efforts to Ensure Seamless Service Coverage (2) Automatic Frequency Switching Daejeon Busan

ATSC 3.0 Broadcast User Device 5G Broadband Stream from BC Stream from BB Stream from BC Shaded Area (Tunnel/Underground) ATSC3.0 Broadcast 7-1 UHDTV 5G/WiFi Broadband Stream received through Broadband Seamless Watching Efforts to Ensure Seamless Service Coverage (3) Automatic Broadcast-Broadband Switching

Docker SKT Media Edge EGA Edge Gateway Appliance PILOT Analytics & Orchestration Solutions IP-MUX HEVC ENCODER BROADCAST GATEWAY MMTP@UDP/I P ROUTE@UDP/I P MMTP@UDP/I P ROUTE@UDP/I P STLTP RTP/UDP/IP Station-in-a-Box ATSC 3.0-in-a-box Proof-of-Concept Test in KBS MCR WCRN @ Boston PGM over SDI Infrastructure Operating System Docker Engine Container1 App1 Bins/libs Container2 App2 Bins/libs Container3 App3 Bins/libs Container4 App4 Bins/libs Developing Virtualized ATSC 3.0 Headend for Disaster Recovery 5G MEC Infrastructure Host Operating System Kubernetes KubeVirt VM1 App1 Bins/libs VM2 App2 Bins/libs Container1 App3 Bins/libs Container2 App4 Bins/libs Guest OS Guest OS

Conditions for viewing ATSC 3.0 interactive service TIVIVA 3.0 (TIVIVA mini): System Diagram and Service Flow (1) AST Signaling sent over the air (2) Access the page (3) Executing the service Configuring AST Signaling * MCR = Master Control Room, AST = Application Signaling Table UHD MCR Transmission Site Upload the interactive service Direct Reception of the broadcast signal Internet Connection TIVIVA 3.0 ATSC 3.0 Television

TIVIVA 3.0 Service Case: Tokyo Olympic and Paralympic Game Service Menu Feedback from viewers using the TIVIVA during the Olympics

TIVIVA 3.0 Service Case: Multi-Camera in Multi-View Multi-Camera for Nuri Space Rocket Launch Multi-Camera for Korea Baseball League National KBS 7 Local News Service

2022.06.20. 19:00 Started service providing all national news through TIVIVA channel

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08.09. 5th Typhoon 08.26.~24. 6th Typhoon 09.02.~03. 7th Typhoon 09.06.~07. 8th Typhoon IBB Access Data on Daily Basis Broadcasters can obtain viewing patterns in real-time through user’s access data. Weekend Weekend Weekend Weekend Weekend ESG Access Data on Daily Basis

Broadcasters can obtain viewing patterns in real-time through user’s access data.

BT.2100 HDR UHD Programme On-Air The 2020 Tokyo Summer Olympic Games, produced in UHD, were produced in HLG (BT.2020) video, and all three terrestrial broadcasters were on-air.

Drama produced with UHD HDR10

Contents Production with eXtended Reality (XR): Ontact Children’s Zoo Extended Area LED Area for Virtual Reality (VR) VR Shadow AR Characters

Contents Production with Metaverse: Presidential Results, Korean’s Choice 2022

UHD+5G Broadcast simultaneous transmission creates a seamless broadcast viewing environment on all terminals. Smartphone receives 5G-Broadcast signals UHDTVs in the house receive broadcast signals directly and watch TV as in the present. ATSC 3.0 & 5G A smartphone = A TV receiver equipped with a 5G chipset

Service Coverage KBS Experimental Station for ATSC 3.0 and 5G-Broadcast : Service Coverage KBS Experimental Station Seoul Kaeseong 40 km 30 km

5G-Broadcast Transmitter ATSC 3.0 Transmitter ATSC 3.0 MIMO Transmitter ATSC 3.0 MIMO ATSC 3.0 5G-Broadcast Horizontal KBS Experimental Station for ATSC 3.0 and 5G-Broadcast: Transmitters Horizontal Vertical

KBS Experimental Station for ATSC 3.0 and 5G-Broadcast: Transmit Antennas MIMO Patch Dual-Polarized 2 Stacked 3 Sided 10.5dBi SISO Horizontal 4 Stacked 2 Sided 13.81dBi

KBS Experimental Station for ATSC 3.0 and 5G-Broadcast: Field Measurement ATSC 3.0 5G-Broadcast

The reason why KBS continuously develops the technology is obvious. This is to provide viewers with a better viewing environment than now. ATSC 3.0 Direct reception ATSC 3.0 & 5G device 5G broadband Broadcast reception 5G reception Broadcast reception Shaded area cut off (tunnel/underground) 5G reception Supporting seamless viewing (2) MobileDNS-based BC(ATSC 3.0)-BB(5G/WiFi) automatic channel switching (1) Automatic Simulcast and Frequency Swtiching : Service Following (3) MMTP-based seamless region-specific spot advertisement automatic switching technology 태풍영향권 시청자 태풍영향권 외 시청자 시청시각 Timeline Covid-19 action Typhoon Status typhoon warning Direct reception (fixed) Direct reception (mobile) 5G/WiFi Communication ATSC 3.0 transmitter CDN Server 9-2 Mobile DNS ② BC-BB automatic channel switching | developed by KBS R&D Center ATSC 3.0 Encoder MSW Master Switcher 3G-SDI HD-SDI STLTP UDP/IP ① Automatic creation of avatar sign language based on AI | 2022 national project KBS MMS MCR @ Yoido, Seoul Verification & validation test at Jeju island UHDTV Advancement of public service for Find missing children Advancement of IBB service for Disaster information (3) Locally customized spot transmission technology | KBS-SKT (Cast.era) MoU cooperation Sinclair MarkOne smartphone with the world's first ATSC 3.0 receiver chip

Thank you!