| 摘要 |
A diversity receiver receiving three or more copies of a data unit (e.g. packet) 707 determines respective bit reliability indications for corresponding bits of the received data units 708, each bit reliability indication being indicative of potential corruption of the respective bit by a transmission error. A bit value that is in a minority of the bit values of the corresponding bits is selected in the case where its respective reliability indication is indicative of a better reliability than the others, i.e. a minority bit value is chosen when it is deemed to be more reliable than a majority decision rule. When two copies of a data unit are received 703, a data unit is chosen on the basis of data unit reliability indications 704, 705. The data units are encoded by an error correcting code having a set of parity check conditions, e.g. low-density parity-check code (LDPC), and reliability indications are obtained based on the outcome of verification of the parity check conditions. |
