|
1.
|
Clear description of the referenced document:
|
|
|
|
|
2.
|
Status of approval:
|
|
|
Approved
|
|
3.
|
Justification for the specific reference:
|
|
|
EN 300 421 describes the modulation and channel coding system for satellite digital multi-programme Television (TV)/High Definition Television (HDTV) services to be used for primary and secondary distribution in Fixed Satellite Service (FSS) and Broadcast Satellite Service (BSS) bands.
J.STB-CTS requires a satellite frontend module which needs to refer the existing definition in EN 300 421.
|
|
4.
|
Current information, if any, about IPR issues:
|
|
|
None. IPR info in ETSI are found at https://ipr.etsi.org/
|
|
5.
|
Other useful information describing the "Quality" of the document:
|
|
|
EN 300 421 has been applied on most of the STB over the world and more than millions of receivers have been manufactured under this specification.
|
|
6.
|
The degree of stability or maturity of the document:
|
|
|
EN 300 421 Version 1.1.2 was published in Aug 1997. It is an approved document by ETSI
|
|
7.
|
Relationship with other existing or emerging documents:
|
|
|
None
|
|
8.
|
Any explicit references within that referenced document should also be listed:
|
|
|
None
|
|
9.
|
Qualification of
ETSI:
|
|
|
ETSI is recognized under the provisions of ITU-T Recommendations A.5 and A.6. Qualifying information is on file at TSB.
|
|
10.
|
Other (for any supplementary information):
|
|
|
None
|
