Channel encoding modulation method adopting hierarchial block product code |
Title： |
| Channel encoding modulation method adopting hierarchial block product code |
|
Application Number： |
01130938 |
Application Date： |
2001/08/28 |
Announcement Date： |
2002/02/13 |
Pub. Date： |
|
Publication Number： |
1335722 |
Announcement Number： |
1151672 |
Grant Date： |
2004-5-26 |
Granted Pub. Date： |
2004-5-26 |
ApplicationType： |
Invention |
State/Country： |
11[China|beijing] |
IPC： |
H04N 7/015, H04N 7/24 |
Applicant(s)： |
Qinghua Univ. |
Inventor(s)： |
Yang Lin, Yang Zhixing |
Key Words： |
Channel encoding, modulation method, hierarchial block product code |
Abstract： |
The present invention relates to the field of digital information transmission technology. The hierarchical block product code (BPC) error correcting, encoding and modulation method includes: coding the input data code stream with different priority level in separate BPC code to obtain BPC stream, mapping the BPC stream based on definition to different bits of planisphere symbol of set modulation mode to obtain hierarchical modulation signal output with different antijamming capability. The present invention has the advantages of simple embodiment, more priority levels, powerful error correcting capacity and high reliability, and may be used in ground digital TV broadcasting system and other fields. |
Claim： |
|
Priority： |
|
PCT： |
|
LegalStatus： |
|
Relevancy information
