The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 31, 2013
Filed:
Aug. 17, 2011
Jae-hyun Seo, Daejeon, KR;
Sung-ik Park, Daejeon, KR;
Ho-min Eum, Daejeon, KR;
Hyoung-soo Lim, Daejeon, KR;
Heung-mook Kim, Daejeon, KR;
Soo-in Lee, Daejeon, KR;
Jae-Hyun Seo, Daejeon, KR;
Sung-Ik Park, Daejeon, KR;
Ho-Min Eum, Daejeon, KR;
Hyoung-Soo Lim, Daejeon, KR;
Heung-Mook Kim, Daejeon, KR;
Soo-In Lee, Daejeon, KR;
Electronics and Telecommunications Research Institute, Daejeon, KR;
Abstract
Disclosed are a method and an apparatus for transmitting and receiving broadcast data in a digital broadcasting system. The method for transmitting and receiving broadcast data in a digital broadcasting system includes receiving the main data encoded with symbols having a plurality of levels; deciding whether levels of main data symbols encoded with symbols having the plurality of levels belong to a first group; and mapping the main data symbols to extended levels by using modulation values of the additional data if it is decided that the levels of the main data symbols belong to the first group.