LDPC Decoder Applications
DVB-C2, the successor of DVB-C, contains a subset of the LDPC codes as defined in DVB-S2. A single code is used (64800 bits, code rate 2/3) that was introduced with DVB-T2 only. Since for cable networks high signal-to-noise ratios are common, the lower code rates have been removed allowing for a reduced decoder complexity. The code with the lowest code rate (16200 bits, code rate 4/9) is only used for the sending of signalling information.
| Standard | DVB-C2 | ||
| Frame structure channel coding and modulation for a second generation digital transmission system for cable systems. | |||
| Organization | ETSI | ||
| Publication | 2010 | ||
| Documents | ETSI EN 302 769 | ||
| Applications | Digital transmission for cable networks. | ||
| IP Cores | Creonic DVB-C2 LDPC/BCH Decoder IP Core | ||
| LDPC Codes | 11 | ||
| Block Length | Submatrix Size | Code Rates | |
| 16200 | 360 |
4/9, 2/3, 11/15, 7/9, 37/45, 8/9 |
|
| 64800 | 360 |
2/3, 3/4, 4/5, 5/6, 9/10 |
|
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