IPTV接入及机顶盒.ppt

End-work and IPTV Receiver
Shuji Hirakawa
IEC mittee 100 (TC 100) Secretary
IEC TC 100 AGS Secretary
Between IEC and ITU-R
ITU-R SG 6 and IEC TC 100 have implicit but very clear boundary in Broadcasting standardization
TV Broadcasting standardization has long history near 50 years since 1960s
ITU-R SG 6 including its former SGs 10 and 11 has established good relationship with IEC
Especially, receivers and professional recording equipment
ITU-R covers broadcasting side and IEC covers receiver side
Digital broadcasting case
ITU-R developed mendations for broadcasting systems and IEC did International Standards of receivers
The following table shows an example of digital broadcasting system RECs and their receivers’ International Standards
Satellite
Terrestrial
Mobile (One-Seg./DVB-H)
ISDB
ITU-R
System D
System C
Doc. 6/374Multimedia System C
IEC
IEC 62360
IEC 62360
To be included in IEC 62360
DVB
ITU-R
System A
System B
Doc. 6/374 Multimedia System H
IEC
IEC 62028
IEC 62216-1IEC 62028
IEC 62002-1, 2IEC 62455
Reference Models of End-work
There are several reference models for end-work
ITU-T SG 9 is revising its
ITU-T FG IPTV is developing work model for IPTV service
CEA/OCC is discussing work Model for IPTV service with ATIS
HN- is developing Node Reference Model for work
DLNA seeks interoperability framework
ITU-T
Figure 5-1
ITU-T (Cont.)
Shown in Figures 5-1 and 5-2, the architectural framework introduces the concept of logical elements. There are four distinct classes of logical elements defined by the architecture framework; these are referred to as Portal Services (PS), Layer-1/2 Converters (LC), Boundary Points (BP), and End Point (EP).
ITU-T FG IPTV/WG 5 Model
End-work is consist of primary work and secondary work according to the ITU-T FG IPTV Document 126.
An IPTV end-user device can be connected to an work through the Access Gateway and Primary