Title:
デジタルテレビジョンシステムのプリアンブル
Document Type and Number:
Japanese Patent JP2011504309
Kind Code:
A
Abstract:
The present invention concerns a system for transmitting a plurality of modes of digital television signals within the same transmission channel where one transmission mode is more robust than another mode. The present invention also concerns a system for receiving and decoding such signals. More specifically, an aspect of the present invention involves a method and an apparatus for utilizing a proper length of preamble data for the improvement of reception. Furthermore, another aspect of the present invention involves a method and an apparatus for inserting a preamble into a proper place in a transmitted data stream relative to the filed synchronization data. Another aspect of the present invention involves a method and an apparatus for decoding trellis-coded data, using the predetermined preamble data.
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Inventors:
Citta, Richard, W
Villag, David, Emery
Canfield, Bath, Alan
Ropresto, Scott, Matthew
Villag, David, Emery
Canfield, Bath, Alan
Ropresto, Scott, Matthew
Application Number:
JP2010528905A
Publication Date:
February 03, 2011
Filing Date:
October 14, 2008
Export Citation:
Assignee:
Thomson Licensing
International Classes:
H04N7/173; H03M13/27; H04B1/76; H04N7/24; H04N7/26
Domestic Patent References:
| JP2001274774A | 2001-10-05 | |||
| JP2007214856A | 2007-08-23 |
Foreign References:
| WO2006001635A1 | 2006-01-05 |
Attorney, Agent or Firm:
Tadahiko Ito
Shinsuke Onuki
Tadashige Ito
Shinsuke Onuki
Tadashige Ito