dvb ipdc a “fragment” of mobile tv georges martinez – motorola dvb tm-cbms chairman
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DVB IPDC A “fragment” of Mobile TV Georges Martinez – Motorola DVB TM-CBMS Chairman. July 7, 2008. Outline. DVB IPD in a Nutshell Some use cases in fix/mobile TV convergence IPDC technologies impacted in fix/mobile convergence Meaningful “Mobile” SDO’s in the scope of fix/mobile convergence - PowerPoint PPT PresentationTRANSCRIPT
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ETSI Starter Group on Digital Content DistributionJuly 7, 2008
DVB IPDCDVB IPDCA “fragment” of Mobile TVA “fragment” of Mobile TV
Georges Martinez – MotorolaGeorges Martinez – MotorolaDVB TM-CBMS ChairmanDVB TM-CBMS Chairman
July 7, 2008
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2ETSI Starter Group on Digital Content DistributionJuly 7, 2008
Outline• DVB IPD in a Nutshell
• Some use cases in fix/mobile TV convergence
• IPDC technologies impacted in fix/mobile convergence
• Meaningful “Mobile” SDO’s in the scope of fix/mobile convergence
• Conclusions?
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3ETSI Starter Group on Digital Content DistributionJuly 7, 2008
DVB-IPDC in a Nutshell
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4ETSI Starter Group on Digital Content DistributionJuly 7, 2008
DVB-IPDC in the DVB Context• DVB handles multiple use cases of content
distribution
• DVB-IPDC covers content distribution to mobiles
xDSL DVB-S/C/TGERAN
3GPP/3GPP2
IP IP xMS
A/V/D and signaling (ESG, DRM, …)
Applications
IPTVuse cases
TraditionalTV
use cases
Cellular andBroadcast/Cellular
use cases
IP
MobileTV
use cases
IP
DVB-T/HDVB-SHT-DMB
DVB-T/HDVB-SHT-DMB
Scope ofDVB-IPDC
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5ETSI Starter Group on Digital Content DistributionJuly 7, 2008
DVB-IPDC Enablers
DVB-H
Interactive(3G)
DVB-SH
DVB-TS PSI/SI
IP(SEC)
FLUTE
ESGover
Broadcast
TS 1
02 4
71 v
1.2
FileDelivery
FLUTE
TS 1
02 4
72 v
1.1
RTP
Notificationover
Broadcast
FLUTE
TS 1
02 8
29 v
1.1
A/VOver
Broadcast
(S)RTP
TS 1
02 0
05 v
1.3
Service Purchase& Protection
OSF 18CryptOMA
BCASTSCP
TS 1
02 4
74 v
1.1
A/VOver
Interactive
PSS / RTSP
TS 1
02 4
72 v
1.2
HTTP
Notificationover
Interactive
TS 1
02 8
29 v
1.1
ESGover
Interactive
HTTP
TS 1
02 4
71 v
1.3
FileRepair
FLUTE
TS 1
02 4
72 v
1.1
TS 102 470 v1.1
MobilityRoamingTS 102 611 v1.1
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6ETSI Starter Group on Digital Content DistributionJuly 7, 2008
Some use cases in fix/mobile TV convergence
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7ETSI Starter Group on Digital Content DistributionJuly 7, 2008
Why focusing on use cases?
• They are essential to:– Make the link with business models,
essential to justify the effort– Define clearly what to achieve– Define the role models and
interactions, particularly complex in converging world
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8ETSI Starter Group on Digital Content DistributionJuly 7, 2008
Some use cases infix/mobile TV convergence
• Terminal access to mobile TV services through mobile networks (DVB-H, 3G):
Baseline IPDC use case3G
System
3GSystem
IPDCDVB-xH System
IPDCDVB-xH System
TV programming
TV programming
TV programming
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9ETSI Starter Group on Digital Content DistributionJuly 7, 2008
Some use cases infix/mobile TV convergence
• Terminal access to mobile TV services from semi-static environment (home, office, hotspot, etc)
3GSystem
3GSystem
IPDCDVB-xH System
IPDCDVB-xH System
Local networkSystem
Local networkSystem
TV programming
TV programming
TV programming
TV programming
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10ETSI Starter Group on Digital Content DistributionJuly 7, 2008
Some use cases infix/mobile TV convergence
• Terminal access to fix (home) services from mobile environment
3GSystem
3GSystem
IPDCDVB-xH System
IPDCDVB-xH System
Local networkSystem
Local networkSystem
Inter-connectin
gSystem
Inter-connectin
gSystem
TV programming
TV programming
TV programming
TV programming
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11ETSI Starter Group on Digital Content DistributionJuly 7, 2008
IPDC technologies impactedin fix/mobile convergence
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12ETSI Starter Group on Digital Content DistributionJuly 7, 2008
IPDC Technologies• IPDC toolbox currently allows for
– ESG over broadcast and interaction networks
– Content distribution over broadcast and 3G– Service purchase & protection based on
OSF, 18Crypt and soon BCAST Smartcard profile
– Mobility within DVB-xH networks and session re-selection over 3G
• Fix/Mobile « convergence » are expected to bring new requirements on existing building blocks
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13ETSI Starter Group on Digital Content DistributionJuly 7, 2008
IPDC technologies impactedin fix/mobile convergence
• Technology ingredients in current scope of IPDC that are impacted – ESG for the fix/mobile context
• Evolved IPDC ESG toolbox should allow for:– Discovery of ESG and access over « local networks »– Aggregation from multiple ESG sources– Duplicate programming consolidation
• One challenge to resolve is the Coexistence and/or convergence with other ESG specifications within the same environment (IPDC / BCAST, IPDC / IPI)
• Extensions to support local (home) network specific content could/should be considered as well, particular to handle user content
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14ETSI Starter Group on Digital Content DistributionJuly 7, 2008
IPDC technologies impactedin fix/mobile convergence
– Adaptation of IPDC specs for other IP bearers (eg Wifi)• Content Delivery Protocols (CDP)
– Delivery profiles commonly available on identified bearers should be supported by IPDC terminals (eg RTSP profile)
• Electronic Service Guide (ESG)– Instantiation of IPDC ESG in local network
environment– Distributed ESG– « User-generated » ESG
• Service Purchase & Protection (SPP)– IPDC SPP profiles in local network
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15ETSI Starter Group on Digital Content DistributionJuly 7, 2008
IPDC technologies impactedin fix/mobile convergence
• Technology ingredients going beyond current scope of IPDC – Interworking with network domains
• Discovery and authorization resolution to access « non-home » networks (sometimes known as « roaming » networks)
• Media adaptation (e.g. format & bit rate adaptation)
– Mobility support• Matching of similar services available in different
domains• Media adaptation• « Seamless » handover
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16ETSI Starter Group on Digital Content DistributionJuly 7, 2008
Meaningful “Mobile” SDO’s in the scope of fix/mobile convergence
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17ETSI Starter Group on Digital Content DistributionJuly 7, 2008
Meaningful “Mobile” SDO’s in the scope of fix/mobile convergence
• OMA-BCAST– Specified solutions similar to IPDC– Looking at extending use of BCAST
specifications in IPTV context– Have BCAST Service Guide referenced in
ETSI/TISPAN– BCAST IPTV vision seems not totally
clear
– Might be worth considering in context of IPDC/BCAST convergence
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18ETSI Starter Group on Digital Content DistributionJuly 7, 2008
Meaningful “Mobile” SDO’s in the scope of fix/mobile convergence
• 3GPP– Started Work Item on « Extending PSS
and MBMS User Services for Optimized Mobile TV Services » for Release-8
– Started Work Item on « IMS initiated and controlled PSS and MBMS User Service »
– May be worth considering for 3G/DVB handover tools
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19ETSI Starter Group on Digital Content DistributionJuly 7, 2008
Meaningful “Mobile” SDO’s in the scope of fix/mobile convergence
• IEEE– Has Study Item on DVB integration in
802.21 framework aiming at designing link layer capability for handover between heterogeneous networks
– May be worth considering for DVB/IEEE802.xx handover scenarios
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20ETSI Starter Group on Digital Content DistributionJuly 7, 2008
Conclusions (?)
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21ETSI Starter Group on Digital Content DistributionJuly 7, 2008
Conclusions• Fix/Mobile convergence from IPDC perspective
is a multi-dimensional problem– Technical
• Are the current tool concepts are suitable for convergence?• How do we balance between convergence and coexistence of
technologies? Shouldn’t the focus be on interworking?• How do we deal/liaise with relevant organizations?
– Commercial• Which use case roadmap has to be considered for generating
sensible commercial requirements?• Do we make the right balanced between the « traditional » TV
and new TV paradigms?• How to ensure the right players are involved in this topic?
– Marketing/Strategic• How to ensure that the right groups are doing the right things• How to liaise/cooperate with the relevant SDO’s to the benefit of
all– Less technology fragmentation– Less resource fragmentation