Thomas Stockhammer Director Technical Standards Qualcomm Technologies, Inc. 3GPP Content Delivery Efforts 1
Simplified Stack for 3GPP Content Delivery 3GPP specifies MBMS and IP unicast (HSPA, LTE, LTE-A) DASH 3GPP/ISO File format AVC and HEVC HE-AACv2 3GPP Time Text (HTML-5) 3GPP also historically supports RTP SMIL Application Layer S34 Delivery Protocols Broadcast PHY/MAC EME Enhanced FLUTE FEC RFC 5053, 6330 HTTP / HTTPS RFC 2616, 2818 UDP RFC 768 HTML5 Codecs Common Decryption ISO/IEC 23009-1 DASH Applications IP RFC 791 Broadcast PHY / MAC (Bidirectional or Downlink Only) DAE Extensions TCP RFC 793 Other IP Source(s) (Bidirectional) UDP RFC 768 2
DASH & MBMS Hybrid Architecture Encoder & DASHer MPD + segments Media and DASH Formats DASH Media Presentation DASH Client TS26.247 Unicast/Broad cast Provisioning MPD BMSC USD + MPD + Policy FLUTE MBMS Client TS26.346 HTTP Server Smart Proxy HTTP server Hybrid Reference Client 3
Seamless Coverage Extension Broadcast Coverage Representation 1 enb (LTE broadcast) Representation 2 Representation 3 Move over time Client Decision enb (LTE unicast) Cloud 3GPP Rel-12 4
MBMS on Demand (MooD) Encoder & DASHer MPD + segments Media and DASH Formats DASH Media Presentation DASH Client TS26.247 HTTP server High (Local) Uptake over Radio Network 5
MBMS on Demand (MooD) 3GPP Rel-12 Encoder & DASHer MPD + all segments Media and DASH Formats DASH Media Presentation DASH Client TS26.247 Unicast/Broad cast Provisioning MPD BMSC USD + MPD + Policy FLUTE MBMS Client TS26.346 HTTP Server Smart Proxy HTTP server Hybrid Reference Client 6
Rel-13 MBMS Work on MBMS Profiling Work Service Announcement Profile including DASH services Download Delivery Method Profile for DASH services Extensions: Make MBMS more accessible to apps/browsers Definition of protocol handler: MBMS as a transport enabling bootstrap, service access and return the identified resource/service to the application incl. APIs and network interfaces URL form(s) that identify an MBMS delivered service/object Methods and messages to communicate between handler and applications. MBMS API Set (initially a study only as it is unclear if 3GPP will define APIs) API set that abstracts details and complexity of underlying MBMS operations, but provides essential functionalities applications leverage MBMS delivery platform. Open questions on exact functionalities, abstraction level API, documentation, etc. 7
Streaming App Applications File Download App API Approach Multimedia System Application Processor DASH Client I-1 Streaming App Applications I-1 File Download App I-4 DRM Agent Application Environment w/o MBMS capabilities HLOS Multimedia System DASH Client DRM Agent I-4 Streaming Service Local DASH Server Service Discovery Data Distribution Function FLUTE I-3 FEC File Download Service File Repair Reception Reporting Modem Interface I-2 MBMS Client HLOS Streaming Service DASHaware HTTP Server Service Discovery Data Distribution Function FLUTE FEC File Download Service File Repair Reception Reporting Modem Interface MBMS Client Gateway Device with MBMS capabilities I-3 I-2 IP Stack (with multicast) embms Service IP Stack (with multicast) embms Service LTE Modem LTE Modem 8
Rel-13 edash Work 3GPP developed DASH in 2010 and 2011 jointly with MPEG Main Objective is alignment with industry profiles and technologies to enable cross-domain deployments Live Services: align with DASH-IF Ad Insertion: align with DASH-IF Content Protection: align with DASH-IF Profiles: Aligned with DASH-IF and MPEG-DASH Additional Optimizations: Server and Network Assisted DASH (SAND) to support providing information to the client about network status and also to provide feedback from the client to the network Additional Metadata as considered necessary (Quality, etc.) Relevant MBMS extensions 9
Rel-13 Video Work Making 3GPP capable for mainstream content delivery TV video profile HTML-5 profile Study Item Video enhancements in 3GPP multimedia service Study Item for Interactivity for 3GPPbased Streaming and Download Services VoD Server Ad Server Program Receiver Content Adaptation And Provisioning PSS/ BMSC 3GPP Network UE with PSS and/or MBMS Client 10
Rel-14 Enhanced TV Services work in SA1 Making 3GPP including MBMS a flexible Platform for TV Service delivery Radio Enhancements embms Spectral Efficiency Flexible capacity allocation embms Coverage enhancement Wide area coverage and moving receivers Coverage on-demand support Service Enhancements embms sharing Standalone embms Network General LTE based TV service Access to, charging of TV programs and anonymity of reception Decoupled embms content, service, and transport Service Layer Function and Codec Support Hybrid Transport 11
Conclusions 3GPP is upgrading their specification to provide a new delivery platform highest-quality Any device (mobile, tablet, stationary TVs) Highly efficient use of radio resources Sharing resources among users and MNOs for more efficiency With Rel-14, 3GPP will be ready to delivery innovative TV and Content Services These services are expected to available and further enhanced in the 5G context 12
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