发明名称 |
RATE-COMPATIBLE PROTOGRAPH LDPC CODE FAMILIES WITH LINEAR MINIMUM DISTANCE |
摘要 |
Digital communication coding methods are shown, which generate certain types of low-density parity-check (LDPC) codes built from protographs. A first method creates protographs having the linear minimum distance property and comprising at least one variable node with degree less than 3. A second method creates families of protographs of different rates, all structurally identical for all rates except for a rate-dependent designation of certain variable nodes as transmitted or non-transmitted. A third method creates families of protographs of different rates, all structurally identical for all rates except for a rate-dependent designation of the status of certain variable nodes as non-transmitted or set to zero. LDPC codes built from the protographs created by these methods can simultaneously have low error floors and low iterative decoding thresholds. |
申请公布号 |
US2012131409(A1) |
申请公布日期 |
2012.05.24 |
申请号 |
US201113341648 |
申请日期 |
2011.12.30 |
申请人 |
DIVSALAR DARIUSH;DOLINAR, JR. SAMUEL J.;JONES CHRISTOPHER R.;CALIFORNIA INSTITUTE OF TECHNOLOGY |
发明人 |
DIVSALAR DARIUSH;DOLINAR, JR. SAMUEL J.;JONES CHRISTOPHER R. |
分类号 |
H03M13/05;G06F11/10 |
主分类号 |
H03M13/05 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|