发明名称 |
Decoder and method for performing decoding operation using map algorithm in mobile communication system |
摘要 |
A turbo decoder and a decoding method are disclosed, which use a Maximum A Posteriori (MAP) algorithm in order to perform iterative decoding. The method has the steps of sequentially receiving input data in a memory having a predetermined window size and performing a forward metric calculation for the input data so that the input data has a four window size, performing a first backward metric calculation for the input data and outputting first valid data when the data are input to the memory by twice the window size, and performing a second backward metric calculation for the input data and outputting second valid data when the data are input to the memory by three times the window size.
|
申请公布号 |
US2005172203(A1) |
申请公布日期 |
2005.08.04 |
申请号 |
US20050038122 |
申请日期 |
2005.01.21 |
申请人 |
SAMSUNG ELECTRONICS CO., LTD. |
发明人 |
KIM SEOK-CHAN |
分类号 |
H03M13/37;H03M13/00;H03M13/03;H03M13/29;H03M13/45;(IPC1-7):H03M13/00 |
主分类号 |
H03M13/37 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|