Thomas Stockhammer
Director Technical Standards
Qualcomm Technologies, Inc.
3GPP Content Delivery
Efforts
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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
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Applications
Application
Layer S34
DAE Extensions
HTML5
EME
Codecs
Common Decryption
ISO/IEC 23009-1 DASH
HTTP / HTTPS RFC 2616, 2818
Enhanced FLUTE
Delivery
Protocols
TCP RFC 793
FEC RFC 5053, 6330
UDP
RFC 768
UDP RFC 768
IP RFC 791
Broadcast
PHY/MAC
Broadcast PHY / MAC (Bidirectional or Downlink Only)
Other IP Source(s) (Bidirectional)
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DASH & MBMS – Hybrid Architecture
Media and DASH Formats
Encoder &
DASHer
DASH Client
TS26.247
DASH Media Presentation
MPD + segments
USD + MPD
+ Policy
BMSC
FLUTE
Unicast/Broad
cast
Provisioning
MBMS Client
TS26.346
Smart Proxy
HTTP Server
MPD
HTTP server
Hybrid Reference Client
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Seamless Coverage Extension
Broadcast
Coverage
Representation 1
eNB (LTE broadcast)
Representation 2
Move over time
Representation 3
Client Decision
eNB (LTE unicast)
Cloud
3GPP
Rel-12
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MBMS on Demand (MooD)
Encoder &
DASHer
Media and DASH Formats
DASH Client
TS26.247
DASH Media Presentation
MPD + segments
HTTP server
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High (Local)
Uptake
over Radio
Network
5
3GPP
Rel-12
MBMS on Demand (MooD)
Media and DASH Formats
Encoder &
DASHer
DASH Client
TS26.247
DASH Media Presentation
MPD + all segments
USD + MPD
+ Policy
BMSC
FLUTE
Unicast/Broad
cast
Provisioning
MBMS Client
TS26.346
Smart Proxy
HTTP Server
MPD
HTTP server
Hybrid Reference Client
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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.
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Streaming App
API Approach
Applications
DASH
Client
I-4
I-4
Service
Discovery
File
Repair
Reception
Reporting
FEC
Modem Interface
Streaming Service
HLOS
Data Distribution Function
FLUTE
DRM Agent
DASHaware
HTTP
Server
File Download Service
Service
Discovery
I-2
FLUTE
FEC
Gateway
Device
with
MBMS
capabilities
Modem Interface
I-3
IP Stack
(with multicast)
Reception
Reporting
Data Distribution Function
DRM Agent
I-3
File
Repair
MBMS Client
Local
DASH
Server
Application
Environment w/o
MBMS capabilities
File Download Service
MBMS Client
HLOS
DASH
Client
Streaming Service
I-1
File Download App
I-1
Multimedia
System
File Download App
Multimedia
System
Application Processor
Streaming App
Applications
I-2
eMBMS Service
IP Stack
(with multicast)
eMBMS Service
LTE Modem
LTE Modem
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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
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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
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Program
Receiver
Content
Adaptation
And
Provisioning
PSS/
BMSC
3GPP Network
UE with
PSS
and/or
MBMS
Client
VoD Server
Ad Server
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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
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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
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Thank you
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