Next-Generation IPTV : IPTV 2.0


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Next-Generation IPTV : IPTV 2.0

  1. 1. Next-Generation IPTV : IPTV 2.0 2008. 12. Broadcasting & Telecommunication Media Research Division
  2. 2. Contents Introduction to IPTV 2.0 Concept & Research Activities of ETRI I • IPTV 2.0 Definition II • IPTV 2.0 Concept III • IPTV Evolution Trend IV • Research Activities of ETRI V • Concluding Remarks • ETRI’s Research Details on IPTV 2.0 Core Appendix Technologies -2-
  3. 3. IPTV Definition IPTV is defined as multimedia services such as television /video /audio/text/graphics/data delivered over IP based networks managed to provide the required level of QoS/QoE, security, interactivity and reliability” [source: ITU- T Focus Group, 2006. 7.] The use of an IP broadband network to delivery TV content, Not open Web TV, as it is commonly mistaken, Mostly involving conditional access & set-top-box equipment similar to current service provided by digital satellite & cable companies [source: IBM Institute] -3-
  4. 4. IPTV 2.0 Definition IPTV 2.0 is the Next Generation IPTV defined as multimedia services delivered over IP based wire & wireless converged networks managed to provide the required level of QoS/QoE, security, interactivity, reliability and openness, and for any contents to be optimally consumed and generated by users at anywhere, anytime, with any devices” [ETRI 2008.3.] -4-
  5. 5. IPTV 1.0 vs IPTV 2.0 IPTV 1.0 Char. IPTV 2.0 Mobile IPTV, Follow Me TV, Takeout TV High Quality Internet TV Service Personal Media Networking Intranet TV, Premium Quality and Mobility Anytime, Anywhere, Any IP Devices TV, VoD @ IP Environment Optimal Quality of Multimedia Service at Mobile HQ Internet TV @ Living Room(Lean Forward) User Environment Contract-based Access with Operators Open Access Telco-oriented Walled Garden Operator Various Operators possible(Telco, Broadco, … ) Fixed & Mobile Terminals(Mobile Phone, Laptop, HDTV + STB, PC Terminal PDA, PMP, Navigator) Single Source Multiple Use for all users Customized/Personalized Contents(Anytime, Single Source Single Use/ Dedicated Contents Anytime(PVR) Content Anyplace) Context-aware Service Seamless Mobility Converged u-Infra Broadband/HQ Managed Wired Network QoS guaranteed Mobility over WiFi/4G/(WiBro) Combination of Existing Technologies(MPEG2/4 Network (IP Network, Source, Mobile Access, Terminal) over IP) Infra Adaptation optimally to Environment xDSL/Ethernet/FTTH Network-aware CODEC(SVC) CoS based Quality Assurance Media-aware CL Optimization Proprietary Platform Platform Open Platform -5-
  6. 6. IPTV 2.0 Concept ▪ Internet (web) Industry ٧ Variety of Contents ٧ QoE focused ٧ Participation, Openness, Sharing ٧ Mashup & Open API Web 2.0 Commerce Home Networking Web Music/ Information Movie VoIP IPTV 2.0 Game ▪ Telecom Industry ٧ NCN based ▪ Media Industry ٧ QoS focused ٧ Variety of Contents ٧ Brand power SMS/ ٧ Brand Power ٧ ITU Standardization MMS SNS ٧ Interactive IM ٧ Personal Broadcasting (Source : Atlas Research Report 2008) -6-
  7. 7. IPTV Evolution(1/2) IPTV Evolution : - Intelligent : Easy to search programs, Customized/personalized, Rich media - Realistic : Support 3D and UHD Media - Mobile : Anywhere with any devices Intelligent IPTV Personalized Service Fixed Network Realistic IPTV Access Adaptive IP Core 3DTV Media NEtwork Adaptive Media HDTV Wireless/Mobile Access Network UHDTV Contents (WiBro/HSDPA) Server Mobile IPTV Next-generation Mobile Access Network Mobile Terminals (WiBro Evolution/LTE- IPTV Headend Adv) IP based Wired/Wireless Convergence Transmission Network -7-
  8. 8. IPTV Evolution(2/2) IMT-Advanced (4G) Revolutionary Ubiquitous IPTV Media WiBro E., (Globally 3GPP LTE Interoperable) (100Mpbs) Realistic/UHD IPTV IPTV 3.0 WiBro IPTV 2.0 Mobility Real-time HSDPA Mobile IPTV RealisticTV IPTV 1.0 Real-time IPTV VoD IPTV IP Streaming A-BcN UDTV(8K) MM BcN Streaming HDTV 2003 2010 2017 2020 -8-
  9. 9. Service Example - Mobile IPTV (Take Out IPTV) Anytime, Anywhere, Easy-to-Access Broadcasting Service Continued seamless broadcasting service with mobile device while moving at home to outside(Service Mobility + Personal Broadcasting Device) Personally customized Broadcasting Service based on Watching History and Preferences IPTV Service over many different type of Personal Devices, such as Mobile Phone, PMP, Navigators, Take Out IPTV Personal Mobile Device Personal Mobile Device Home Mobile Device Fixed IP Terminal Mobility support Broadcasting Server -9-
  10. 10. IPTV 2.0 R&D @ ETRI Development of Next generation IPTV technologies in Wired & Wireless Convergence Environments Technologies for generation and consumption of contents optimally and seamlessly at anytime, anywhere, and with any terminal. New coding technology for adaptability : Application-level media technology to seamlessly provide IPTV content service, which can adapt video coded in the new MPEG SVC format according to the heterogeneity of terminals and networks Networking technology for mobile QoS-guaranteed services in next-generation IP network Group-casting technology for mobile IPTV service End-to-end security technology for adaptive contents in IP-based heterogeneous networks Open IPTV Platform Technology - 10 -
  11. 11. Concluding Remarks Issues More Research Items including IMS Convergence, Intelligent Rich Media for IPTV 2.0, ... IPTV 2.0 Testbed including Simulators Who will provide IPTV 2.0 Service? IPTV 1.0 Operators, Mobile TV Operators? New Operators - Convergence Operators? (Telco + Broadco?) Differentiation and/or Convergence with Interactive Mobile TV Spectrum : New? Existing? Unlicensed Mobile Access In-Building/At-Home : Femtocell, Home Server, Convergence Settop Alternative Solutions for Mobility Sling Box , Infungo? Possible Collaboration with EU Participation in M2 Project (An interoperable content aware multimedia network and service infrastructure for Mobile Media) Interest of ETRI : Context-aware Architecture, Metadata & Rich Media applicable to IPTV 2.0 Participation in other EU Projects related to IPTV Research Issues New Joint Project - 11 -
  13. 13. Heterogeneity in Convergence Trend Heterogeneous Consumption Environments Ubiquitous Media Consumption Scenario Media Providing Entities Infrastructures Media Terminals PC Broadcast/ IP Multicast STB VoD/ Data Service Cable Handheld Cellular Wireless IP Communication/ MMoIP • Resolution • Bidirectional Cellular • Computing Power • CBR/VBR • Bandwidth / Delay • Link speed • Data-embedded • QoS Availability • Hard-wired codecs • Best effort - 13 -
  14. 14. Key Technical Issues Minimize Required Computing Powers over E2E vs. Maximize Service Flexibility 1. Dynamically Adaptable Contents Coding : Scalable Contents Codec, Extractor 2. Signaling for Dynamic Adaptation : Metadata Set for User/Network, Signaling 3. QoS Management : QoS Measure Estimation Sender Side Transmission Channel Receiver Side Signaling for Adaptation Access Network Core Network Dynamic Scalable Adap- Contents tation Home Network Decoder (Extractor) Scalable Contents Encoder Measure Measure Measure QoS Measure Management QoS Information - 14 -
  15. 15. Scalable Video Coding (SVC) (1/2) Video Codec to support various usage environments Spatial resolution Real-time dynamic adaptation to networks and terminal devices Flexible video adaptation in dimensions of spatial, temporal, and quality scalability and their combinationsm SVC extension of H.264/MPEG-4 AVC SNR quality Phase 1 specification has been finalized in Nov. 2007 by JVT (ISO/IEC MPEG & Frame rate ITU-T VCEG) - 15 -
  16. 16. Scalable Video Coding (SVC) (2/2) Conventional Approach Encoder/Transcoder High Quality For High Q. Encoder/Transcoder Low Quality For Low Q. Encoder/Transcoder Small Size Original Contents For Low Res. Non-scalable coding - High coding efficiency - High delay, cost Dedicated transcoding & streaming are required for each scenario - Low flexibility SVC Approach Layer3 High Quality Layer2 Layer1 Scalable Layer3 Adaptation Layer2 Low Quality Layer2 Simple Encoder Layer1 Layer1 Extractor Small Size Scalable coding Original Contents Layer1 - Low coding efficiency - High flexibility Single Encoding covers all scenarios - low delay, cost - 16 -
  17. 17. Dynamically Adaptable Real-time Streaming SVC(Scalable Video Coding) based real-time streaming supports dynamic adaptation of transmitting bitrate of contents as consumption environments change (e.g. available bandwidth, user preferences, available terminal resources etc.) QoS Management Entities Mobility Management QoS QoS QoS Estimation Estimation Event/Parameter Values QoS Estimatable Media IP Network (e.g. 4G/WiBro) Headend Scalable Server Terminal A • Scalable Multicasting • Streaming Client Scalable • Scalable Streaming Encoder QoS-Adapted • Scalable Scalable Streaming Terminal B • Contents Encoding Dynamic & Real-time • Streaming Client QoS Adaptation - 17 -
  18. 18. Single Sourced Layered Multicasting Single sourced layered multicasting can supply different service scenarios to different terminal groups or networks which have individual characteristics using single SVC(Scalable Video Coding) video contents. QoS Management Entities Mobility MGMT QoS QoS QoS QoS QoS Estimation Estimation Event/Parameter Estimation Estimation Values Scalable Multicasting Media With Low Quality Terminal Group A Headend • Multicast Client • (Basic) Multicast Enabled Scalable Scalable Server IP Network Encoder Terminal Group B • Scalable Scalable Multicasting • Contents • • Multicast Client Encoding • Scalable Streaming • (Premium) Scalable Multicasting With High Quality - 18 -
  19. 19. IP Mobility Management (1/2) Core Mobility Management (MM) Technology for NGN/BcN Independent to various wireless access technologies (Wi-Fi, WiBro, 3G/4G, …) Broadband & realtime services for mobile users at anytime/anywhere Seamless high-quality communications among heterogeneous networks QoS-guaranteed MM Architecture Realtime Contents & Converged Service Application-aware MM & QoS Management Fast Handover Control QoS-guaranteed among Heterogeneous Seamless MM Access Networks Wireless All-IP Core Network Sensor Broadband Network Telephone Network xDSL/FTTH Converged User Profile & Authentication Access Control based on User Preference and Link Anytime Quality Anywhere Any Device - 19 -
  20. 20. IP Mobility Management (2/2) ETRI Approach Access Independent Mobile Service (AIMS) Framework Control Packet Separated Data/Control Planes - Fast & Reliable Control Message Mobility Profile Data Packet Mobility Control Delivery & AAA Server Information Service - Network Selection based Control on Policy & Preference Plane MPLS LSP All-IP Core Handover Control Network Agent Functional Interaction (Handover Control) Data Plane Data Tunnel on Shortest Path Access Gateway (Data Control) Network-based MM - Little Requirements of MN - Fast Handover Control Access Network #2 Access Network #1 Point of Attachment (Handover Triggering) L2/L3 Inter-working - Handover Control Optimization - Quality-aware Access Control MN - 20 -
  21. 21. High-quality Mobile IPTV Service SVC over QoS-guaranteed Mobile Networks LSR: Label-Switched Router LER: Label Edge Router DRM: Digital Rights Management SCP: Service & Content Protection Seamless High-quality Mobile IPTV - 21 -
  22. 22. E2E Quality of Experience Management E2E QoE Management Framework IPTV Client Content Server Adaptive Video Contents Application Application (SVC) (SVC) QoE/QoS API QoE/QoS API E2E QoE Signaling QoE QoE Monitoring QoE/QoS Mapping Control Standard Interface QoS Control Platform QoS E2E QoS Signaling QoS Control Control Access QoS Core QoS Manager Manager Mobility-aware Flow-based Resource Control QoS Control - 22 -
  23. 23. 3GPP LTE based mobile IPTV Objective Study on mobile IPTV and mobile personal IPTV service technologies for 3GPP LTE- Advanced systems E-MBMS based mobile IPTV & mobile personal IPTV(PBS) systems 3GPP mobile IPTV Using evolved multimedia broadcast multicast service(E-MBMS) TV service is included in E-MBMS user service requirements and streaming service as well Multi-cell synchronized transmission technology is required to effective mobile TV services Mobile Contents Terminals Providers E-MBMS Broadcast/Multicast Internet Sports eBM-SC Entertainments MBMS-GW eNodeB Campus LTE-Advanced Mobile Networks - 23 -
  24. 24. Mobile personal IPTV services 3GPP SA1 WG studying personal broadcast service (PBS) Feasibility & use cases Mobile personal IPTV service concepts Any IP user (including 3GPP UE) may provide his/her own contents Receivers of small group will actively participate in interactive live multicast Charging Receivers Paying PCC Server User Device USIM Pre-paid Service Cards, etc.. Contact Point Personal IPTV Content Provider 3GPP Accesses Mobile Source - 24 -
  25. 25. Converged Security for Next Generation IPTV Requirements For converged environment Personalized content service Heterogeneous devices Community services (open/sharing) For service & content protection One solution Interoperability OSMU (One Source Multi Use) Reusability - 25 -
  26. 26. Security for Scalable Media Why? Security should be scalable to meet customer’s requirements End-to-end security - 26 -
  27. 27. Security for Scalable Media General research objectives Variable security strength Time efficiency for real-time content (e.g., linear TV) Format compliance Error robustness Objectives of the Secure Scalable Media Layered key management Layered encryption (base-layer encryption should be stronger than other layers) End product Encryption/Decryption for Scalable Media Secure scalable media framework for mobile device - 27 -