| 摘要 |
In storage/transmission systems, where multiple disturbed copies of initially identical data packets exist, erroneous copies are used to derive the initially error-free content from. A method (100) of operating a data processing device obtains (110), from a data transmission medium providing multiple copies of data packets, a plurality of defective copies of a data packet and compares (120) the defective copies. If code symbols at corresponding positions within at least two defective copies differ, the positions are identified (140) as a set of modification positions. A plurality of differently modified data packet copies is computed by modifying code symbol values at the modification positions using different modification patterns, and the contained error detection data is recalculated (150), the recalculated error detection data is evaluated (160), and one of the differently modified copies where the evaluating (160) indicates no error is selected (170) as corrected copy of the data packet. |
